What is the cheapest airline that flies from Southampton Eastleigh to Belfast?

easyJet, British Airways, and Aer Lingus are the most popular carriers operating from Southampton Eastleigh to Belfast

How many flights depart from Southampton to Belfast on average per week?

As of November 2025, there are 24 flights per week flying from Southampton to Belfast. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

How many flights depart from Southampton to Belfast on average per day?

As of November 2025, 3 flights take off from Southampton and land in Belfast each day. The most common flight departure time for this route is 19:00, with 42% of daily flights taking off in the evening.

Which airlines fly to Belfast?

easyJet, British Airways and Aer Lingus are the top three most popular airlines that fly to Belfast from Southampton according to our data. easyJet is the first choice among our users, with 61% of people opting to fly with this airline when travelling to Belfast. Keep in mind that there are 6 different airlines that fly to Belfast on a routine basis, so you have a few additional options to choose from.

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

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

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

As of November 2025, there are 2 operators available to choose from for flights from Southampton Eastleigh Airport to Belfast.

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

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 Southampton Eastleigh Airport to Belfast.

What documentation or ID do you need to fly to Belfast?

The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£23 Cheap Flights from Southampton to Belfast in 2025/26

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19:00 - 20:35SOU-BHD

1h 35mdirect

06:40 - 08:25BHD-SOU

1h 45mdirect

£91Aer Lingus

Find Deal

Tue, 18 Nov - Sat, 22 Nov

09:20 - 17:00SOU-BFS

7h 40m1 stop

12:30 - 08:50BFS-SOU

20h 20m1 stop

£99easyJet

Find Deal

Tue, 9 Dec - Tue, 16 Dec

19:00 - 20:35SOU-BHD

1h 35mdirect

10:10 - 11:50BHD-SOU

1h 40mdirect

£99Aer Lingus

Find Deal

Tue, 9 Dec - Thu, 18 Dec

19:00 - 20:35SOU-BHD

1h 35mdirect

16:55 - 18:30BHD-SOU

1h 35mdirect

£104Aer Lingus

Find Deal

Wed, 3 Dec - Thu, 4 Dec

08:55 - 10:35SOU-BHD

1h 40mdirect

16:55 - 18:30BHD-SOU

1h 35mdirect

£107Aer Lingus

Find Deal

Tue, 2 Dec - Fri, 5 Dec

12:20 - 13:55SOU-BHD

1h 35mdirect

10:10 - 11:50BHD-SOU

1h 40mdirect

£112Aer Lingus

Find Deal

Thu, 4 Dec - Mon, 8 Dec

19:00 - 20:35SOU-BHD

1h 35mdirect

13:40 - 15:15BHD-SOU

1h 35mdirect

£119Aer Lingus

Find Deal

Sun, 15 Mar - Sat, 21 Mar

17:45 - 07:25SOU-BFS

13h 40m1 stop

11:30 - 17:45BFS-SOU

6h 15m1 stop

£125easyJet

Find Deal

Fri, 30 Jan - Sun, 1 Feb

19:00 - 20:35SOU-BHD

1h 35mdirect

16:55 - 18:30BHD-SOU

1h 35mdirect

£228British Airways

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Mon, 1 Dec - Mon, 8 Dec

19:00 - 20:35SOU-BHD

1h 35mdirect

10:10 - 11:45BHD-SOU

1h 35mdirect

£229British Airways

Find Deal

Mon, 23 Mar - Wed, 25 Mar

easyJet flights from Southampton to Belfast

Our best easyJet deals on Southampton to Belfast flight tickets

easyJet

9 Dec

SOU09:20Southampton Eastleigh

7h 40m

1 stop

BFS17:00Belfast Intl

16 Dec

BFS12:30Belfast Intl

20h 20m

1 stop

SOU08:50Southampton Eastleigh

£99

Find similar

easyJet

30 Jan

SOU17:45Southampton Eastleigh

13h 40m

1 stop

BFS07:25Belfast Intl

1 Feb

BFS11:30Belfast Intl

6h 15m

1 stop

SOU17:45Southampton Eastleigh

£125

Find similar

easyJet

9 Dec

SOU09:20Southampton Eastleigh

7h 40m

1 stop

BFS17:00Belfast Intl

18 Dec

BFS13:35Belfast Intl

3h 45m

1 stop

SOU17:20Southampton Eastleigh

£142

Find similar

Aer Lingus flights from Southampton to Belfast

Our best Aer Lingus deals on Southampton to Belfast flight tickets

Aer Lingus

18 Nov

SOU19:00Southampton Eastleigh

1h 35m

BHD20:35Belfast City

22 Nov

BHD06:40Belfast City

1h 45m

SOU08:25Southampton Eastleigh

£91

Find similar

Aer Lingus

9 Dec

SOU19:00Southampton Eastleigh

1h 35m

BHD20:35Belfast City

18 Dec

BHD10:10Belfast City

1h 40m

SOU11:50Southampton Eastleigh

£99

Find similar

Aer Lingus

3 Dec

SOU19:00Southampton Eastleigh

1h 35m

BHD20:35Belfast City

4 Dec

BHD16:55Belfast City

1h 35m

SOU18:30Southampton Eastleigh

£104

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Tue 18/11

19:00-20:35

Nonstop1h 35m

Belfast City

Sat 22/11

06:40-08:25

Nonstop1h 45m

£91

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Tue 9/12

09:20-17:00

1 stop7h 40m

Belfast Intl

Tue 16/12

12:30-08:50

1 stop20h 20m

£99

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Tue 9/12

19:00-20:35

Nonstop1h 35m

Belfast City

Thu 18/12

10:10-11:50

Nonstop1h 40m

£99

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Wed 3/12

19:00-20:35

Nonstop1h 35m

Belfast City

Thu 4/12

16:55-18:30

Nonstop1h 35m

£104

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Tue 2/12

08:55-10:35

Nonstop1h 40m

Belfast City

Fri 5/12

16:55-18:30

Nonstop1h 35m

£107

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Thu 4/12

12:20-13:55

Nonstop1h 35m

Belfast City

Mon 8/12

10:10-11:50

Nonstop1h 40m

£112

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Sun 15/3

19:00-20:35

Nonstop1h 35m

Belfast City

Sat 21/3

13:40-15:15

Nonstop1h 35m

£119

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Fri 30/1

17:45-07:25

1 stop13h 40m

Belfast Intl

Sun 1/2

11:30-17:45

1 stop6h 15m

£125

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Mon 1/12

19:00-20:35

Nonstop1h 35m

Belfast City

Mon 8/12

16:55-18:30

Nonstop1h 35m

£228

SouthamptonBelfast

SOU - BHD

SOUBHD

Southampton Eastleigh

Mon 23/3

19:00-20:35

Nonstop1h 35m

Belfast City

Wed 25/3

10:10-11:45

Nonstop1h 35m

£229

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How to get the cheapest flight ticket from Southampton to Belfast

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

Prices

Airlines

Other information

What is the cheapest month to fly to Belfast?

The cheapest month to fly to Belfast from Southampton is in January. Flight prices, which tend to average around £73, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belfast during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £88.

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

The cheapest day to depart on your flight to Belfast is on a Wednesday when prices can be found for as low as £64. This is often the case because there is less demand to fly during this day of the week. Flights from Southampton to Belfast on a Friday will generally be more expensive and average around £74. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

The cheapest time of day to fly to Belfast is in the morning when flights can be purchased for as low as £89. Flights to Belfast are more costly in the afternoon, with an average ticket price of £108. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Southampton Eastleigh to Belfast flight route?

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

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

You are more likely to see cheaper flights to Belfast from Southampton when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast for around £101 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belfast from Southampton for as low as £71 on momondo.

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

There are 2 cabin classes available to choose from on Southampton Eastleigh to Belfast flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Southampton to Belfast flight deals and tips

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

Fastest flight time	1h 35m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sat
Airports in Belfast	1 airport

The fastest flight from Southampton to Belfast takes 1h 35m

Direct flights go from Southampton to Belfast on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights..

There is 1 airport near Belfast: Belfast City (BHD)

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How far is Southampton Eastleigh to Belfast by plane?
Southampton Eastleigh and Belfast are 317.1 mi apart from one another. In terms of flight time, this usually takes a little over 1h 35m.
When did momondo last update prices for flights from Southampton Eastleigh Airport to Belfast?
Prices for flights from Southampton Eastleigh Airport to Belfast refresh daily.
How many operators does momondo search for flights from Southampton Eastleigh Airport to Belfast?
As of November 2025, there are 2 operators available to choose from for flights from Southampton Eastleigh Airport to Belfast.
How old do you have to be to fly from Southampton Eastleigh Airport to Belfast?
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 Southampton Eastleigh Airport to Belfast.
What documentation or ID do you need to fly to Belfast?
The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Southampton to Belfast

Compare and see reviews for airlines that fly from Southampton to Belfast with momondo

Airline	Rating	Free Cancellation	Price
easyJet	PriceFrom £36	Free Cancellation	Rating 6.9 1,841 reviews		Search easyJet flights
Aer Lingus	PriceFrom £65	Free Cancellation	Rating 7.2 1,365 reviews		Search Aer Lingus flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Southampton to Belfast. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Southampton to Belfast flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Southampton to Belfast.

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

Price alerts on flights to Belfast from Southampton are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Southampton to Belfast from £55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Belfast departing on 10/12. 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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easyJet flights from Southampton to Belfast

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Our best Aer Lingus deals on Southampton to Belfast flight tickets

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How to get the cheapest flight ticket from Southampton to Belfast

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 cheapest month to fly to Belfast?

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

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

What is the cheapest Southampton Eastleigh to Belfast flight route?

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

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

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

There are 2 cabin classes available to choose from on Southampton Eastleigh to Belfast flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Southampton Eastleigh to Belfast?

easyJet, British Airways, and Aer Lingus are the most popular carriers operating from Southampton Eastleigh to Belfast

Which airlines fly to Belfast?

How many flights depart from Southampton to Belfast on average per day?

As of November 2025, 3 flights take off from Southampton and land in Belfast each day. The most common flight departure time for this route is 19:00, with 42% of daily flights taking off in the evening.

How many flights depart from Southampton to Belfast on average per week?

As of November 2025, there are 24 flights per week flying from Southampton to Belfast. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

Cheap Southampton to Belfast flight deals and tips

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

Fastest flight time

Direct flights

Airports in Belfast

How far is Southampton Eastleigh to Belfast by plane?

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

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

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

What documentation or ID do you need to fly to Belfast?

Best airlines flying from Southampton to Belfast

Compare and see reviews for airlines that fly from Southampton to Belfast with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Belfast trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast