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Cheap flights from Belfast City Airport to London from £103

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast City Airport to London departing on 30/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
16:55 - 18:30
BHD
-
SOU
1h 35mdirect
Aer Lingus Logo
19:00 - 20:35
SOU
-
BHD
1h 35mdirect
£103Aer Lingus
Fri, 30 Jan - Fri, 6 Feb
Aer Lingus Logo
06:40 - 08:25
BHD
-
SOU
1h 45mdirect
Aer Lingus Logo
19:00 - 20:35
SOU
-
BHD
1h 35mdirect
£107Aer Lingus
Sat, 21 Mar - Sun, 22 Mar
Aer Lingus Logo
10:10 - 11:50
BHD
-
SOU
1h 40mdirect
Aer Lingus Logo
08:55 - 10:35
SOU
-
BHD
1h 40mdirect
£113Aer Lingus
Mon, 19 Jan - Tue, 20 Jan
Aer Lingus Logo
16:55 - 18:30
BHD
-
SOU
1h 35mdirect
Aer Lingus Logo
08:55 - 10:35
SOU
-
BHD
1h 40mdirect
£114Aer Lingus
Mon, 19 Jan - Wed, 21 Jan
Aer Lingus Logo
06:40 - 08:25
BHD
-
SOU
1h 45mdirect
Aer Lingus Logo
19:00 - 20:35
SOU
-
BHD
1h 35mdirect
£117Aer Lingus
Sat, 10 Jan - Sun, 11 Jan
Multiple Airlines Logo
08:20 - 11:25
BHD
-
SOU
3h 05m1 stop
Multiple Airlines Logo
12:15 - 13:50
SOU
-
BHD
1h 35mdirect
£143Multiple Airlines
Mon, 19 Jan - Tue, 20 Jan
Aer Lingus Logo
14:40 - 16:15
BHD
-
SOU
1h 35mdirect
Aer Lingus Logo
16:45 - 18:20
SOU
-
BHD
1h 35mdirect
£145Aer Lingus
Wed, 29 Apr - Wed, 6 May
Multiple Airlines Logo
13:15 - 19:40
BHD
-
SOU
6h 25m2 stops
Multiple Airlines Logo
08:55 - 10:35
SOU
-
BHD
1h 40mdirect
£147Multiple Airlines
Mon, 19 Jan - Wed, 21 Jan
Multiple Airlines Logo
07:15 - 13:10
BHD
-
SOU
5h 55m1 stop
Multiple Airlines Logo
19:00 - 20:35
SOU
-
BHD
1h 35mdirect
£154Multiple Airlines
Sat, 21 Mar - Sun, 22 Mar
Multiple Airlines Logo
08:20 - 17:10
BHD
-
SOU
8h 50m1 stop
Multiple Airlines Logo
19:00 - 20:35
SOU
-
BHD
1h 35mdirect
£160Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb

Aer Lingus flights from Belfast City Airport to Southampton

Our best Aer Lingus deals on Belfast City Airport to Southampton flight tickets
Aer Lingus
17 Jan
BHD13:40Belfast City
1h 35m
SOU15:15Southampton Eastleigh
19 Jan
SOU19:00Southampton Eastleigh
1h 35m
BHD20:35Belfast City
£97
Find similar
Aer Lingus
19 Jan
BHD10:10Belfast City
1h 40m
SOU11:50Southampton Eastleigh
20 Jan
SOU08:55Southampton Eastleigh
1h 40m
BHD10:35Belfast City
£113
Find similar
Aer Lingus
19 Jan
BHD16:55Belfast City
1h 35m
SOU18:30Southampton Eastleigh
21 Jan
SOU08:55Southampton Eastleigh
1h 40m
BHD10:35Belfast City
£114
Find similar

British Airways flights from Belfast City Airport to Southampton

Our best British Airways deals on Belfast City Airport to Southampton flight tickets
British Airways
8 Jan
BHD10:10Belfast City
1h 40m
SOU11:50Southampton Eastleigh
12 Jan
SOU19:00Southampton Eastleigh
1h 35m
BHD20:35Belfast City
£229
Find similar
British Airways
8 Jan
BHD16:55Belfast City
1h 35m
SOU18:30Southampton Eastleigh
12 Jan
SOU19:00Southampton Eastleigh
1h 35m
BHD20:35Belfast City
£230
Find similar
British Airways
26 Feb
BHD16:55Belfast City
1h 35m
SOU18:30Southampton Eastleigh
2 Mar
SOU12:00Southampton Eastleigh
26h 15m
2 stops
BHD14:15Belfast City
£304
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Belfast City Airport to Southampton that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 17 December 2025.
Use the filters below to find and compare flights from Belfast City Airport to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Fri 30/1

16:55-18:30

Nonstop1h 35m

Southampton Eastleigh

Fri 6/2

19:00-20:35

Nonstop1h 35m

£103

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sat 21/3

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Sun 22/3

19:00-20:35

Nonstop1h 35m

£107

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Mon 19/1

10:10-11:50

Nonstop1h 40m

Southampton Eastleigh

Tue 20/1

08:55-10:35

Nonstop1h 40m

£113

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Mon 19/1

16:55-18:30

Nonstop1h 35m

Southampton Eastleigh

Wed 21/1

08:55-10:35

Nonstop1h 40m

£114

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sat 10/1

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Sun 11/1

19:00-20:35

Nonstop1h 35m

£117

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Mon 19/1

08:20-11:25

1 stop3h 05m

Southampton Eastleigh

Tue 20/1

12:15-13:50

Nonstop1h 35m

£143

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Wed 29/4

14:40-16:15

Nonstop1h 35m

Southampton Eastleigh

Wed 6/5

16:45-18:20

Nonstop1h 35m

£145

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Mon 19/1

13:15-19:40

2 stops6h 25m

Southampton Eastleigh

Wed 21/1

08:55-10:35

Nonstop1h 40m

£147

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Sat 21/3

07:15-13:10

1 stop5h 55m

Southampton Eastleigh

Sun 22/3

19:00-20:35

Nonstop1h 35m

£154

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Fri 30/1

08:20-17:10

1 stop8h 50m

Southampton Eastleigh

Fri 6/2

19:00-20:35

Nonstop1h 35m

£160

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to London from

How to get the cheapest flight ticket from Belfast City Airport to Southampton

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Belfast City Airport and Southampton?

What is the cheapest month to fly to Southampton?

The month of March is, on average, the cheapest month to fly to Southampton from Belfast City Airport, with most prices found around £72. If you’re not able to fly to Southampton in March, then February is your next best option. Flight prices from Belfast City Airport to Southampton during February average around £78.

What is the cheapest day to depart on your flight to Southampton?

Our data shows that Sunday is the least expensive day to fly to Southampton. Tickets to fly out on this day can be as low as £76. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around £143. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southampton.

What is the cheapest time of day to depart on your flight to Southampton?

According to our data, the cheapest time of day to fly to Southampton is at midday. momondo users have found flights departing from Belfast City Airport to Southampton at midday for as low as £124. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £132 on average. Flights to Southampton from Belfast City Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Belfast City to Southampton Eastleigh flight route?

Fly from Belfast City to Southampton Eastleigh for the best Belfast City - Southampton Eastleigh flight prices

How far in advance should I book a flight to Southampton?

You are more likely to see cheaper flights to Southampton from Belfast City Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Southampton for around £129 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southampton from Belfast City Airport for as low as £98 on momondo.

What cabin class options are available on Belfast City to Southampton Eastleigh flights?

There is only 1 cabin class available to choose from on Belfast City to Southampton Eastleigh flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Belfast City Airport to Southampton flight prices changed over time?

When to book flights from Belfast City Airport to Southampton

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast City Airport to Southampton according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Belfast City Airport to Southampton (BHD to SOU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast City Airport to Southampton

Best price found

£87

Fastest flight time

1h 35m

Direct flights

Tue, Fri and Sun

Airports in Southampton

1 airport
The best one-way flight to Southampton from Belfast City Airport in the past 72 hours is £87. The best return flight deal from Belfast City Airport to Southampton found on momondo in the last 72 hours is £146.
The fastest flight from Belfast City Airport to Southampton takes 1h 35m
Direct flights go from Belfast City Airport to Southampton on Tuesday, Friday and Sunday. There are no airlines offering direct flights..
There is 1 airport in Southampton. From Belfast City Airport there are direct flights to Southampton Eastleigh (SOU).
Search flight deals

  • How far is Belfast City to Southampton Eastleigh by plane?

    The straight-line distance from Belfast City to Southampton Eastleigh is 316.8 mi. In terms of flight time, this usually takes a little over 1h 35m.

  • When did momondo last update prices for flights from Belfast City Airport to Southampton Eastleigh Airport?

    Prices for flights from Belfast City Airport to Southampton Eastleigh Airport refresh daily.

  • How many operators does momondo search for flights from Belfast City Airport to Southampton Eastleigh Airport?

  • How old do you have to be to fly from Belfast City Airport to Southampton Eastleigh Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast City Airport to Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The required travel and health documents for your Southampton Eastleigh Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southampton Eastleigh Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Belfast City Airport to Southampton?

  • What is the most popular airline from Belfast City Airport to Southampton?

Best airlines flying from Belfast City Airport to Southampton

Compare and see reviews for airlines that fly from Belfast City Airport to Southampton with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom £72Free CancellationRating
7.2
1,395 reviews
Search Aer Lingus flights

  • Aer Lingus Flights From Belfast City Airport to Southampton

    Across 13 Aer Lingus flights from Belfast City Airport to Southampton this week, the average price was £127, with the best Aer Lingus deals starting from £72 round-trip. 1,395 users have rated Aer Lingus on momondo, with an average score of 7.2/10.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Southampton?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belfast to Southampton . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Belfast to Southampton with flexible booking policies on momondo?

Yes. All flights to Southampton from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Belfast to Southampton?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southampton from Belfast.

I’m not ready to book a flight from Belfast to Southampton right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Belfast to Southampton now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Southampton and let you know when they change.

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