BFS - SOU

£27 Find Cheap Flights from Belfast Intl Airport to Southampton

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Belfast Intl to Southampton departing on 17/7. 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

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Belfast to Southampton, 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 Belfast to Southampton, as well as popular online travel agencies
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 27% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flights Deals
Useful Info
Flights Deals

Cheap Flights from Belfast Intl to Southampton (BFS-SOU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Belfast Intl to Southampton 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 from Belfast Intl to Southampton

Sat, 13 Sep - Sat, 27 Sep
easyJet Logo
13:35 - 14:50BFS-SOU
1h 15mdirect
easyJet Logo
15:20 - 16:40SOU-BFS
1h 20mdirect
£44easyJet
Find Deal
Sat, 20 Sep - Mon, 22 Sep
easyJet Logo
13:35 - 14:50BFS-SOU
1h 15mdirect
easyJet Logo
11:50 - 13:10SOU-BFS
1h 20mdirect
£67easyJet
Find Deal
Fri, 5 Sep - Sun, 7 Sep
easyJet Logo
22:05 - 07:55BFS-SOU
9h 50m1 stop
easyJet Logo
12:00 - 13:20SOU-BFS
1h 20mdirect
£75easyJet
Find Deal
Thu, 17 Jul - Thu, 24 Jul
easyJet Logo
18:45 - 20:00BFS-SOU
1h 15mdirect
easyJet Logo
20:40 - 22:00SOU-BFS
1h 20mdirect
£76easyJet
Find Deal
Thu, 18 Sep - Fri, 26 Sep
easyJet Logo
13:05 - 14:20BFS-SOU
1h 15mdirect
easyJet Logo
12:25 - 13:45SOU-BFS
1h 20mdirect
£84easyJet
Find Deal
Tue, 19 Aug - Sat, 23 Aug
easyJet Logo
23:10 - 10:20BFS-SOU
11h 10m1 stop
easyJet Logo
08:05 - 09:25SOU-BFS
1h 20mdirect
£89easyJet
Find Deal
Thu, 18 Sep - Mon, 22 Sep
easyJet Logo
13:05 - 14:20BFS-SOU
1h 15mdirect
easyJet Logo
11:50 - 13:10SOU-BFS
1h 20mdirect
£92easyJet
Find Deal
Sat, 9 Aug - Sun, 10 Aug
easyJet Logo
06:20 - 07:35BFS-SOU
1h 15mdirect
easyJet Logo
12:20 - 13:40SOU-BFS
1h 20mdirect
£95easyJet
Find Deal
Mon, 30 Jun - Thu, 3 Jul
 Logo
21:35 - 08:15BFS-SOU
10h 40m2 stops
 Logo
20:40 - 22:00SOU-BFS
1h 20mdirect
Wed, 25 Jun - Sun, 29 Jun
 Logo
16:20 - 20:15BFS-SOU
27h 55m2 stops
 Logo
12:20 - 13:40SOU-BFS
1h 20mdirect
Useful Info

KAYAK's insights & trends for Belfast Intl to Southampton flights

Get data-powered insights and trends into flights from Belfast Intl to Southampton to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Belfast Intl Airport to Southampton?

The average price of all round-trip flights from Belfast Intl Airport to Southampton clicked on KAYAK for each day over the last 12 months.

When flying from Belfast Intl Airport to Southampton, you should consider leaving on a Monday and avoid Fridays if you are looking for the best rates. For your return to Belfast Intl Airport, you’ll find the best rates on Wednesdays and the most expensive ones on Fridays.

What is the cheapest month to fly from Belfast Intl Airport to Southampton?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Belfast Intl Airport to Southampton, 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 Belfast Intl Airport to Southampton is March, where tickets cost £66 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £148 and £121 respectively.

How far in advance should I book a flight from Belfast Intl Airport to Southampton?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Belfast Intl Airport to Southampton, 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 the flight from Belfast Intl Airport to Southampton, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.


Good to know - Cheap tickets from Belfast Intl Airport to Southampton

Low seasonMarch
High seasonJune
Cheapest flight£27
Best time to beat the crowds (32% less expensive on average)
Most popular time to fly (53% more expensive on average)
Flight from Belfast Intl Airport to Southampton

When to book flights from Belfast Intl to Southampton

Are your dates flexible? Find out the best times to travel from Belfast Intl to Southampton 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 Belfast Intl Airport to Southampton flights

  • What is the cheapest flight from Belfast Intl Airport to Southampton?

    In the last 3 days, the lowest price for a flight from Belfast Intl Airport to Southampton was £37 for a one-way ticket and £60 for a return.

  • Which airports will I be using when flying from Belfast Intl Airport to Southampton?

    On your way to Southampton, you’ll fly out from Belfast Intl. You’ll be landing at Southampton Eastleigh.

  • Which aircraft models fly most regularly from Belfast Intl Airport to Southampton?

    The ATR 72-201 / 202 is the aircraft model that flies most regularly on the Belfast Intl Airport to Southampton flight route.

  • On which days can I fly direct from Belfast Intl Airport to Southampton?

    You can catch a direct flight from Belfast Intl Airport to Southampton on Monday, Thursday, Friday, Saturday, and Sunday.

  • How does KAYAK find such low prices on flights from Belfast Intl Airport to Southampton?

    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 Belfast Intl Airport to Southampton.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Belfast Intl Airport to Southampton?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Southampton from Belfast Intl 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 Belfast Intl Airport to Southampton?

    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 Southampton with an airline and back to Belfast Intl Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Belfast Intl Airport to Southampton?

    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 Southampton from Belfast Intl Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Belfast Intl Airport to Southampton

  • Looking for a cheap flight from Southampton to Belfast Intl Airport? 25% of our users found flights on this route for Southampton or less round-trip.

Prefer to fly direct from Belfast Intl Airport to Southampton?

Find which airlines fly direct from Belfast Intl Airport to Southampton Eastleigh Airport, which days they fly and book direct flights.

Direct departures

Belfast Intl to Southampton Eastleigh

Monday

easyJet

easyJet

Thursday

easyJet

easyJet

Friday

easyJet

easyJet

Saturday

easyJet

easyJet

Sunday

easyJet

easyJet

See more direct flights

Direct returns

Southampton Eastleigh to Belfast Intl

Monday

easyJet

easyJet

Thursday

easyJet

easyJet

Friday

easyJet

easyJet

Saturday

easyJet

easyJet

Sunday

easyJet

easyJet

See more direct flights
See more direct flights

Top airlines flying from Belfast Intl to Southampton

 
See real verified KAYAK customer reviews for airlines flying from Belfast to Southampton. 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 Belfast Intl to Southampton? 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.
7.1
Aer LingusOverall score based on 1117 reviews
6.8Entertainment
7.0Comfort
6.4Food
7.2Boarding
7.9Crew
Airline reviews

I would definitely use a Linus again, the price was right, the service is excellent. No delays. Wish I had a direct flight from my hometown Detroit.

10.0 ExcellentAnonymous, Jun 2025MAN - MCO
Read more Aer Lingus reviews

I would definitely use a Linus again, the price was right, the service is excellent. No delays. Wish I had a direct flight from my hometown Detroit.

At check-in the unmanned machines said QR code was invalid so had to queue for over an hour to check in bags

i used to fly aer Lingus regularly but due to price - poor seating etc i have been using other carriers - i now have aer lingus in my state and the price is always the highest - i have flown to Ireland 11 times in last 24 months and have not used Hartford because of price

Nicest staff I’ve experienced on a plane! Good food, great entertainment, and they gave out little blankets that my kids loved. All in all, great experience.

The Glasgow to Dublin route was very efficiently boarded, flight and landing and disembarkation were all super smooth. Dublin to JFK flight I was very pleasantly surprised overall. This was my first time on Aer Lingus and having already come off the short regional flight I was curious to know how the international flight would go. Aircraft was solid, entertainment options were better than expected, flight crew were experienced and operated like clockwork. Main entree left a little something to be desired but the snack was very tasty. Boarding and disembarkation again very smooth and pilots got us in earlier than expected. Would definitely fly again

I liked how they looked after couples by providing a row of 4 seats if available.

I believe it was short flight in plane I understand not that much compared to other airlines but weighting for checkin was too long need extra person for checkin or Atleast someone to let the customer knows don’t worry someone will be here shortly.

Boarding seemed a bit chaotic and we had to walk outside across the tarmac. Passengers of all ages had to drag carry on luggage up the outside stairway into the aircraft. There was no WiFi. Very uncomfortable crammed seats. Glad in-air time was only an hour!

Very polite and helpful staff. Jet blue…ok, but not as helpful!..

This flight was delayed and caused me to miss my connecting flight from New York to Boston. I had to rent a car and drive myself home to avoid waiting another 5 hours in the airport.

We accidentally purchased twice the bags we needed. Our fault, but the ticket was not clear to us, and it asked us to purchase bags at checkin. When we notified them to get credit back at the airport, they said to contact customer service. We flew the flight and then contracted customer service. They said no credits after the flight has flown. Not customer service oriented at all. They know we didn’t check that many bags and kept our money for a service they did not provide. Be aware and very careful of what you are purchasing from them because they will not make it right if there is an error.

sadly in Basel & Naples- no jetway we had to climb up and down stairs with our max size carry-on luggage, which was not fun!!!

This was our first time using them. I gave okay ratings for food and entertainment because it was minimal or not provided so I couldn't judge, but much better than most budget carriers we have ever used.

We were charged a ridiculous amount for a name spelling error on ticket which I would’ve corrected if I received pre-check info more than 1/2hr before flight. Then we were told at ticket counter that our bags were fine for boarding but then we’re charged another ridiculous amount to take in our luggage despite being told differently. Flight itself was great. Charges were unfair.

Apart from an email about re configuring passenger seating less than 24hrs before flying it was all good.

There were a lot (4 I think) of EasyJet flights leaving Agadir, we arrived two and a half ours before our flight. Very slow to get through the booking in, passport control and security!! We had booked in on line but had to Queue with others who had not to drop our bags off!,

We boarded and then sat on the tarmac for an hour….probably not E Jets fault. But the gentleman that checked us in and took our luggage was exceptionally friendly and calming for early morning/ confused passengers. As always, it’s the people that make or break an experience, right?

I was hesitant to book with a low cost airline due to previous experience but Easy Jet surpassed my expectations. I would definitely book a flight with them again! Seemless booking, upfront about baggage fees, professional, and helpful staff.

Kayak sent several notifications that the flight was late. This contradicted the information on the airport boards. This was extremely confusing and we very nearly missed the flight purely because we double checked with the info desk when the flight stays said’closed’. Kayak notifications are therefore unreliable and pointlesa

Usual issues with flight delay. Perennial problem of travel by plane.

Everything you need to know for your flight from Belfast Intl to Southampton

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.