LHR - CEI

£544 Find Cheap Flights from London Heathrow Airport to Chiang Rai

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Chiang Rai departing on 13/6. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Chiang Rai

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Chiang Rai, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Chiang Rai, as well as popular online travel agencies
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Flights Deals

Cheap Flight Deals from Heathrow to Chiang Rai (LHR-CEI)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Heathrow to Chiang Rai 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.

Recent return flight deals from Heathrow to Chiang Rai

KAYAK's recommended return flight deals from the most popular airlines that fly from Heathrow to Chiang Rai.
Discover the best prices for you by selecting your travel dates on KAYAK.
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12:30 - 19:25LHR-CEI
24h 55m2 stops
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08:25 - 07:30CEI-LHR
29h 05m2 stops
Fri, 13 Jun - Fri, 20 Jun
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09:45 - 19:25LHR-CEI
27h 40m2 stops
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08:25 - 10:15CEI-LHR
31h 50m2 stops
Fri, 13 Jun - Fri, 20 Jun
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09:45 - 19:25LHR-CEI
27h 40m2 stops
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08:25 - 10:15CEI-LHR
31h 50m2 stops
Fri, 13 Jun - Fri, 20 Jun
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12:30 - 19:25LHR-CEI
24h 55m2 stops
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20:00 - 07:30CEI-LHR
17h 30m2 stops
Fri, 13 Jun - Fri, 20 Jun
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12:30 - 19:25LHR-CEI
24h 55m2 stops
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08:25 - 19:10CEI-LHR
16h 45m1 stop
Fri, 13 Jun - Fri, 20 Jun
Thai Airways Logo
21:25 - 09:55LHR-CEI
30h 30m1 stop
Thai Airways Logo
10:25 - 19:10CEI-LHR
14h 45m1 stop
£754Thai Airways
Find Deal
Fri, 13 Jun - Fri, 20 Jun
Thai Airways Logo
12:30 - 18:20LHR-CEI
23h 50m1 stop
Thai Airways Logo
10:25 - 19:10CEI-LHR
14h 45m1 stop
£755Thai Airways
Find Deal
Fri, 13 Jun - Fri, 20 Jun
Thai Airways Logo
21:25 - 09:55LHR-CEI
30h 30m1 stop
Thai Airways Logo
10:25 - 19:10CEI-LHR
14h 45m1 stop
£756Thai Airways
Find Deal
Fri, 13 Jun - Fri, 20 Jun
Thai Airways Logo
21:25 - 09:55LHR-CEI
30h 30m1 stop
Thai Airways Logo
10:25 - 19:10CEI-LHR
14h 45m1 stop
£762Thai Airways
Find Deal
Fri, 13 Jun - Fri, 20 Jun
Lufthansa Logo
16:25 - 18:20LHR-CEI
19h 55m3 stops
Lufthansa Logo
18:55 - 10:40CEI-LHR
21h 45m3 stops
£933Lufthansa
Find Deal
Fri, 13 Jun - Fri, 20 Jun
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KAYAK's insights & trends for Heathrow to Chiang Rai flights

Get data-powered insights and trends into flights from Heathrow to Chiang Rai to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from London Heathrow Airport to Chiang Rai?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the past 3 days, the cheapest return tickets from London Heathrow Airport to Chiang Rai were found on Thai Airways (£754) and Lufthansa (£933).

Good to know - Cheap tickets from London Heathrow Airport to Chiang Rai

Low season

April

High season

April

Cheapest flight

£544
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly and prices are also 13% lower on average.
Flight from London Heathrow Airport to Chiang Rai

When to book flights from Heathrow to Chiang Rai

Are your dates flexible? Find out the best times to travel from Heathrow to Chiang Rai based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Heathrow Airport to Chiang Rai flights

  • What is the cheapest flight from London Heathrow Airport to Chiang Rai?

    In the last 3 days, the lowest price for a flight from London Heathrow Airport to Chiang Rai was £729 for a return ticket.

  • Which aircraft models fly most regularly from London Heathrow Airport to Chiang Rai?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from London Heathrow Airport to Chiang Rai?

    Star Alliance is the only airline alliance operating flights between London Heathrow Airport and Chiang Rai.

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Chiang Rai?

    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 London Heathrow Airport to Chiang Rai.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Chiang Rai?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chiang Rai from London Heathrow Airport 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 London Heathrow Airport to Chiang Rai?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Chiang Rai with an airline and back to London Heathrow Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Chiang Rai?

    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 to Chiang Rai from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top airline flying from Heathrow to Chiang Rai

 
See real verified KAYAK customer reviews for airlines flying from London to Chiang Rai. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. 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 Heathrow to Chiang Rai? 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.
7.7
Thai AirwaysOverall score based on 325 reviews
8.3Crew
7.3Food
7.8Boarding
7.5Comfort
6.8Entertainment
Airline reviews

They used Thai Smile plane, which is a smaller model and used to service only domestic flights; hence, the plane is small and quite compact. No entertainment on the flight. While boarding was delayed, it was done in a quick manner.

6.0 GoodAnonymous, Apr 2025BKK - DPS
Read more Thai Airways reviews

They used Thai Smile plane, which is a smaller model and used to service only domestic flights; hence, the plane is small and quite compact. No entertainment on the flight. While boarding was delayed, it was done in a quick manner.

I give EVA 5 stars in every category. I enjoy this airline and it's great team of employees. I always highly recommend EVA to friends and family and everyone.

The flight was delayed going out of the gate at BKK that made it a difficult challenge to get through immigration transfer at tapei and make it to my departure on time. This appears to be a recurring issue. The flight crew and cabin crew were excellent. The food was very nice.

The boarding efficiency was good. A couple of the flight attendants did not seem in the best of moods. Overall it was a good experience.

The setting configuration of the aircraft stinks. Nobody should pay business class fares and be so uncomfortable. The design of facing fellow passengers is a brilliant nincompoop.

Entertainment is limited with a relatively old catalogue. Wi-Fi never works and the cabin and lavatory had evidence of a lot of scuff marks and temporary repairs. Nothing unsafe, but a bit tatty in places.

Delayed flight in Singapore caused the transfer at Bangkok to be very stressful. Fortunately, no elderly were in this trip, else it will not be possible to catch the connecting flight. There were also several occasions throughout the flight journey where some of the passengers were not wearing their seat belts despite several remainders from the stewardess.

USB charging port was not working at my seat 48K.

I enjoy flying with Thai Airways, however their B788 business class configuration is quite dated. Additionally , while the service is always friendly and efficient, I’m getting tired of the same “usual suspects” when it comes to food choices. Since it was a lunchtime flight, what about some gourmet sandwiches or some type of salad dish for the main course? The entertainment options are also quite limited and this is not unique to TG, so much so that given the short duration of the flight I ended up not bothering with any entertainment. Finally, despite signs around the cabin advising wifi available, I was unable to con-net and in fact I’ve never been able to connect on any TG flight over the last year or so - what’s the go here??

Always liked Thai Airways but in the past they have been very expensive, not being a millionaire just yet, I will use cheaper airlines. Bangkok to London £370 11 hours 45 mins. Old plane but ok. Lovely ladies on board, very polite. Food was ok. Will always use them if the price is right.

Everything you need to know for your flight from Heathrow to Chiang Rai

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