£300 Find Cheap Flights to Southeast Asia – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from the United Kingdom to Southeast Asia departing on 22/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Southeast Asia

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Southeast Asia
These are the airlines KAYAK users have selected most often from within our search results for flights to Southeast Asia
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Cheap Flights to Southeast Asia

Cheapest return prices found by our users on KAYAK in the last 72 hours
Manila
Manila2 stops£543
Kuala Lumpur
Kuala Lumpur2 stops£488
Singapore
Singapore1 stop£519
Phuket City
Phuket City3 stops£535
Denpasar
Denpasar2 stops£619
Hanoi
Hanoi2 stops£547
Ho Chi Minh City
Ho Chi Minh City1 stop£615
Ko Samui
Ko Samui3 stops£660
Cebu City
Cebu City2 stops£670
Da Nang
Da Nang3 stops£714
Chiang Mai
Chiang Mai1 stop£586
Krabi
Krabi2 stops£554
Penang
Penang1 stop£686
Angeles City
Angeles City2 stops£585
Langkawi
Langkawi2 stops£646
Davao City
Davao City2 stops£619
Manila
Manila2 stops£543
Kuala Lumpur
Kuala Lumpur2 stops£488
Singapore
Singapore1 stop£519
Phuket City
Phuket City3 stops£535
Denpasar
Denpasar2 stops£619
Hanoi
Hanoi2 stops£547
Ho Chi Minh City
Ho Chi Minh City1 stop£615
Ko Samui
Ko Samui3 stops£660
Cebu City
Cebu City2 stops£670
Da Nang
Da Nang3 stops£714
Chiang Mai
Chiang Mai1 stop£586
Krabi
Krabi2 stops£554
Penang
Penang1 stop£686
Angeles City
Angeles City2 stops£585
Langkawi
Langkawi2 stops£646
Davao City
Davao City2 stops£619

Book Cheap Southeast Asia Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights to Southeast Asia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals to Southeast Asia

Mon, 28 Sep - Wed, 20 Jan
China Eastern Logo
22:00 - 04:05
LGW
-
BKK
24h 05m
1 stop
China Eastern Logo
13:35 - 06:30
BKK
-
LGW
23h 55m
1 stop
£472China Eastern
Sat, 12 Sep - Tue, 29 Sep
Condor Logo
10:20 - 12:35
LGW
-
BKK
20h 15m
1 stop
Condor Logo
22:35 - 14:40
BKK
-
LGW
22h 05m
1 stop
£473Condor
Sun, 1 Nov - Sun, 15 Nov
Air China Logo
17:40 - 18:05
LHR
-
BKK
17h 25m
1 stop
Air China Logo
19:30 - 17:50
BKK
-
LHR
29h 20m
1 stop
£473Air China
Thu, 17 Sep - Thu, 1 Oct
Multiple Airlines Logo
14:55 - 17:25
STN
-
BKK
20h 30m
2 stops
Multiple Airlines Logo
18:25 - 21:35
BKK
-
STN
33h 10m
2 stops
£473Multiple Airlines
Thu, 29 Oct - Thu, 3 Dec
Air China Logo
11:05 - 01:30
LGW
-
BKK
31h 25m
1 stop
Air China Logo
19:30 - 05:35
BKK
-
LGW
17h 05m
1 stop
£474Air China
Mon, 7 Sep - Sun, 11 Oct
Qatar Airways Logo
09:30 - 07:35
LHR
-
BKK
16h 05m
1 stop
Qatar Airways Logo
03:00 - 14:05
BKK
-
LHR
17h 05m
1 stop
£479Qatar Airways
Tue, 15 Sep - Sat, 14 Nov
Etihad Airways Logo
20:45 - 23:55
MAN
-
BKK
21h 10m
1 stop
Etihad Airways Logo
14:40 - 06:10
BKK
-
MAN
22h 30m
1 stop
£580Etihad Airways
Sun, 20 Sep - Sat, 10 Oct
Etihad Airways Logo
20:45 - 23:55
MAN
-
BKK
21h 10m
1 stop
Etihad Airways Logo
03:15 - 18:50
BKK
-
MAN
21h 35m
1 stop
£582Etihad Airways
Mon, 24 Aug - Mon, 7 Sep
Emirates Logo
19:50 - 11:25
LHR
-
DMK
33h 35m
1 stop
Emirates Logo
23:55 - 16:10
DMK
-
LHR
22h 15m
1 stop
£669Emirates
Wed, 26 Aug - Mon, 7 Sep
Emirates Logo
09:05 - 11:25
LHR
-
DMK
20h 20m
1 stop
Emirates Logo
23:55 - 14:25
DMK
-
LHR
20h 30m
1 stop
£670Emirates
Booking Insights

KAYAK's insights & trends for flights to Southeast Asia

Get data-powered insights and trends into flights to Southeast Asia to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to Southeast Asia?

These are the best return prices found by users searching on KAYAK in the last 72 hours.

The cheapest ticket to Southeast Asia from the United Kingdom found in the last 72 hours was to Phuket City, at £310 return. The most popular route is London Gatwick Airport (LGW) to Bangkok Suvarnabhumi Airport (BKK) and the cheapest return airline ticket found on this route in the last 72 hours was £504.

How much is a flight to Southeast Asia?

The average and cheapest price for all round-trip flights to Southeast Asia from each origin found by users searching on KAYAK in the last month.

A flight to Southeast Asia costs £807 on average. The cheapest price found on KAYAK in the last 2 weeks was £169 for the route Manchester (MAN) to Bangkok Suvarnabhumi Airport (BKK). The most popular routes on KAYAK are London to Bangkok which costs £981 on average, and Manchester to Bangkok, which costs £913 on average.

See prices from:

What is the cheapest month to fly from the United Kingdom to Southeast Asia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from the United Kingdom to Southeast Asia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from the United Kingdom to Southeast Asia is November, when tickets cost £407 (return) on average. On the other hand, the most expensive months are July and December, when the average cost of round-trip tickets is £665 and £618 respectively.

What is the cheapest time of day to fly to Southeast Asia?

The average price for all round-trip flights from the United Kingdom to Southeast Asia depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Southeast Asia is generally at night, when retur flights cost £791 on average. Morning departures are around 11% more expensive than evening flights, on average. The most expensive time of day to fly to Southeast Asia is generally in the morning, which is peak travel time and where the average cost of a ticket is £900.

How far in advance should I book a flight from the United Kingdom to Southeast Asia?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Southeast Asia, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on a flight from the United Kingdom to Southeast Asia, you should book around 6 weeks before departure, which saves you about 11% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

Which is the cheapest airport to fly into in Southeast Asia?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Southeast Asia is Phuket City Airport (HKT), with an average flight price of £454.

Good to know - Cheap tickets to Southeast Asia

Low seasonJune
Cheapest flight£300
Best time to beat the crowds (11% less expensive on average)
Most popular time to fly (29% more expensive on average)
Flight from London Luton Airport to Bangkok

Flights to Southeast Asia: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew to Southeast Asia 
MartinFlew with Singapore Airlines
LHR
-
SIN
Jan 2025
It’s a long time sitting in that seat so sit on a cushion!
Verified travelerFlew with Qantas Airways
LHR
-
SIN
Sept 2024
Unless you’re flying Business or First Class, definitely take your own travel pillow - they make a difference.
OmarFlew with Qantas Airways
LHR
-
SIN
May 2024
Qantas lounge was crowded. try other One World lounges
Verified travelerFlew with Singapore Airlines
LHR
-
SIN
Feb 2024
Flew with Singapore Airlines great experience and efficient transfer to next flight at Changi . Premium economy was worth the extra giving easier boarding and comfortable seats with more room.

FAQs - booking Southeast Asia flights

  • How does KAYAK find such low prices on flights from the United Kingdom to Southeast Asia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from the United Kingdom to Southeast Asia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from the United Kingdom to Southeast Asia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from the United Kingdom to Southeast Asia is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from the United Kingdom to Southeast Asia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from the United Kingdom to Southeast Asia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from the United Kingdom to Southeast Asia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from the United Kingdom to Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Southeast Asia?

    Based on KAYAK data, the cheapest day to fly to Southeast Asia is Wednesday when return tickets can be as cheap as £808. On the other hand, the most expensive day to fly is Saturday, when return prices are £886 on average.

Top tips for finding cheap flights to Southeast Asia

  • Looking for cheap airfare to Southeast Asia? 25% of our users found round-trip tickets to Southeast Asia for the following prices or less: Cheap flights to Southeast Asia from London Gatwick £884, from Manchester £936, from London Heathrow £1,071
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Southeast Asia flight deals.

Reviews of the top 5 airlines flying to Southeast Asia

 
See real verified KAYAK customer reviews for airlines flying to Southeast Asia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from the United Kingdom to Southeast Asia. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from the United Kingdom to Southeast Asia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.2
Singapore AirlinesOverall score based on 1555 reviews
8.1Entertainment
7.8Food
8.3Boarding
8.6Crew
8.0Comfort
Airline reviews

Crew were so busy Anna so awesome. I was in a seat that got my food nearly last but the crew were Just awesome.

8.0 ExcellentMatt, Jun 2026
BNE - SIN
Read more Singapore Airlines reviews

Crew were so busy Anna so awesome. I was in a seat that got my food nearly last but the crew were Just awesome.

Really great service throughout and the food was really nice. I can highly recommend thank you very much.

Good service and food. For buying items on flight should be preordered as they don’t keep much stock on board.

The seats were more narrow than at other lines. Food was mediocre (economy class)

Service excellent would chose Singapore airlines as my first choice

My groups frequent flyer star allianceUnited airline miles was not accepted. The Singapore premium economy bag had to be requested, it was very lacking- no toothbrush. I paid more than double than economy but could only use the bathrooms sharing with economy which was hardly available and had to wait in line. Is the 2X $ worth it just for a larger seat???? It is questionable. Seats were not that comfortable. My husband’s seat had white stains on it- had to wipe it down. Our headphones did not have covers on it. Food- way too much.

Perfect experience from boarding through to leaving the flight, comfortable and personalised service from all staff, highly recommended

The male traveller seated in the row in front diagonally opposite my husbands seat across the aisle as soon as the seatbelt sign went off moved across the aisle into the seat in front of my husband for the entire journey from London to Singapore he had his seat reclined and pushed back and the seat touching my husbands knees for the entire journey from London to Singapore. very uncomfortable for my husband.

More Baggage limit Alternative of virtual check in at airport , prefer personal touch with “real person”check in counter for baggage drop

Excellent customer service from pre boarding to the end. Really enjoyed my flight. Very helpful crews during flight as well. Will definitely flight with Singapore airlines again.

The quality of food is going down comparing with old history of excellent food. It was cold and a bad quality. The crew is always excellent and caring.

The journey was nice, all the crews were very good and services are excellent

Great flight - Clubhouse met our needs, and the staff provided good service. Boarding felt a little chaotic, but given the size of the aircraft, it's always going to be challenging. Whilst the crew were friendly, the number of passengers meant that we received our breakfast items, but had finished breakfast before we were served a drink. Lunch was much better organised, and throughout the flight, the crew were attentive. Found the seats and ICE to be excellent. Disembarkation was fine, and everything possible to expedite the process was being done.

We loved flying with Emirates in business class, the staff were fabulous, going above & beyond

The seating is spaced out nicely, The crew could have offer more drinks.

Excellent comfort and entertainment. Service poor..Food average with little choice.

Comfort good. Service as usual poor. Cabin temperature as usual too cold, about 15 degrees

Fresh energetic and friendly crew, great food, brand new plane and non stop entertainment

The food was pretty good and the crew were excellent. It would have been excellent all round but for screaming children. Six hours at least of a 10 hr flight. Mostly 1 child clearly on the spectrum and probably ADHD but I really felt for the parents and grandparents who were obviously struggling and doing the best they could under the circumstances. No reflection on the airline of course and we all need to be more tolerant with these challenges . Slept for 15 hrs when I got home.

The boarding experience was worst ever. Single aerobridge used for boarding and deboarding which led to lot of chaos. Food options were not great. First flight delayed by more than 3 hours which led to missing of the next flight we were stuck at Dubai airport by more than 6 hours

Not at all satisfactory. I had stomach upsets after taking food. Quality of Asian vegetarian meal was awful. Further there was no snacks/ fruits/ biscuits available as in between snacks.. only peanuts and pitzels.. except courteous staff rest of my experience was far from satisfactory

Later on, when there was no more bottled water, the water we received had a strong chlorine/disinfectant odor. On my flight from Hong Kong to Los Angeles, there was a male flight attendant who had a mean attitude throughout the whole trip, and he was very impatient during meal service “Furthermore, we purchased a Hong Kong SIM card as part of our flight package, but we received no instructions—neither by email nor SMS—on how to activate or use it. Consequently, we were unable to use the service at all. We request a full refund, as this appears to be a deceptive charge

I liked the service. The touch screen needs improvement as well as movie choices.

when i ask for help all the crew members had a look like why are you calling me? very terse and rude.

First time tying out business class with this airline, hat a disappointment, never returning. We didn’t get the meal as requested from Singapore to HKG flight. While meals served connecting flight, crew takes meal order based off passenger membership status by giving the. Priority selection of meals. It was a battle, plain disappointment, not worth the hype, price, class as categorized/ advertised

Cathay was not the problem. The problem was the customer service from Kayak/Underprice. Will never book through Kayak again.

As a solo traveller, I always prefer to have an aisle seat, but the flight was so full, there weren’t any available. I understand that the seatbelt sign sometimes has to go on if turbulence is anticipated but after the second food service, it was on continuously for about an hour and a half and there didn’t seem to be any turbulence at all! With seats reclined, my fellow passenger in the aisle seat asleep and the seatbelt sign on I felt very trapped, extremely uncomfortable and in desperate need of the bathroom. The positives were that the staff were very friendly, the entertainment was great and we actually took off on time and arrived in HKG earlier than expected.

Very comfortable flights. Not so many new releases in terms of films.

Everything was good food could be better but ok for economy on my 2nd flight the head ph jack are bad you have to hold pushed in to hear anything but other then that very nice service

i booked vegetarian hindu meal for my flights from delhi to hong kong, and hong kong to los angeles. on first flight, they said that they do no have my meal information. thank fuilly some veg meals were still left and i could eat. However, on second flight they game me hindu non vegetarian meal, and I ate shrimp without knowing. pathetic.

Terrible experience resolving missed connection after flight was delayed. 3 hour queue at transit desk, not enough staff, no organisation, worst ever flying experience.

The rows of seats in economy class are seriously close to one another making eating and resting just about impossible - there is hardly any legroom. Anyone larger than average size would have an incredibly uncomfortable flight. I had to basically share my seat with the lady passenger next to me as she was too big to fit into her allotted seat.

Food was good, attendants were friendly. Seats were not comfortable. Did not receive any amenities such as eyemask or earplugs that would have helped sleep. Additionally a large group of passengers boarded very late into boarding and were a disruption for almost the whole flight. Flight attendants did their best but the kids were making so much noise, kicking seats, and half the time no adult was sat with them so they weren’t being managed.

I staff or crew they were very friendly and humbly, they done theirs service very well, I appreciate them and thank you to the company or Qatar 🇶🇦 Government for providing as good service in their flight ,once again, thank you 😊 🙏 😀 😉 👍

From Montreal to Doha , we habe two complaints : 1) They want to charge for Seat Selection, claiming that the Class of ticket bought on Kayak did not cover seat selection. It such a penny pinching rule, I told them, since we paid almost $20,000 our 3 tickets , that rule should never exist. Also I reserved my tickets so many months ahead, I expected they will naturally put the family together or move somebody else to keep our family seating together. I filed a complaint, and NOBODY ANSWERED. 2) In Montreal, Qatar has an arrangement with the National Bank Lounge. It was so overcrowded and the Lounge is so bad in terms of service and food, amenities etc... The WORST lounge . Why Qatar not have another arrangement their Business Class clients in Montreal. The Air France KLM Lounger is better, the Air Canada Lounge is better. Qatar should send somebody to take a look ! Joseph Chung

Excellent will be flying again in May with Qatar. to Botswana.

Crews are very rude and unhelpful. Cramped seats in economy. Foods are useless

Lovely aircraft and I flight entertainment. Good leg room. Full flight crew struggled a bit

Food not good as good as last time flew with them

Seats very uncomfortable, impossible to sleep. Food average, bakery items not fresh. Pockets in seats not large enough to hold a book and a few other items. Cabin temperature too cold, even with blanket. Good selection of movies. Other than that 12 hours of torture!

I booked tickets for a family of five and specifically paid extra to select our seats together. We spent nearly $1,000 extra (around $100 per seat) for extra legroom so we could sit near each other. However, despite paying for this, we ended up being separated on the flight. This caused a major issue for our family because my parents do not speak English and rely on me to translate and assist them during the journey. I do not understand why Etihad changed our reserved seats without explanation. I am extremely dissatisfied with this experience. I expect the airline to do better, and I am requesting a full refund for the seat selection fees we paid.

1 hour delay meant missed my connecting flight and 1st day of holiday

It was great! Kept the time. Provided what was promised

Etihad Check In counter/Station manager in Heathrow was bothering and not helpful at all. They are rude and not customer oriented

1 hour flight. No complaints. Some drinks would have been nice.

I am a larger than average person and in my opinion i don't think it's fair to allocate a window seat to anyone who is my size or larger, i was seated between 2 large passengers on a full aircraft. The guy in the window seat also occupied a portion of the middle seat (my seat) which made my experience of flying with etihad very cramped and uncomfortable, i was flying from Abu Dhabi to Bangkok. Had this been a airbus 380 it would have been better as the seats are larger but unfortunately it wasn't so i had to endure the 6+hrs unable to get any rest

It was worst flight ever of 26h. Poor service and seating. Flight from Abu Dhabi to Islamabad service and seating was worst ever. No tv extra.

Needs better seat for business class. My seat was falling apart. Also no WiFi on that flight

The business class experience is fantastic. The crew were polite but often unavailable even when I tried to call them! I even found myself bringing my used dishes and cutlery up to the crew because no one had come to collect it after over an hour.

Very very bad service very tight seats never ever flying with Etihad again

Everything you need to know for your flight to Southeast Asia

Cabin class types available on flights to Southeast Asia

Cabin classes available on flights to Southeast Asia. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.