How long is the flight from Southampton to Belfast City Airport?

For as low as £175, easyJet can have you in Belfast City Airport from Southampton in 15h 50m. The distance between Southampton and Belfast City Airport is about 316 mi. Both multi-stop and direct flights can be found to your destination and back.

What is the cheapest airline to fly from Southampton to Belfast City Airport round-trip?

Flying on Aer Lingus is currently your cheapest option to Belfast City Airport, with prices starting at £82. You may be able to fly from Southampton to Belfast City Airport for 39% less than the average price by searching for this airline.

Weekly flight availability from Southampton to Belfast City Airport

The most flights from SOU to BHD are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

In terms of precipitation, rainfall in Belfast City Airport ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast City Airport when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast City Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What are the most reliable airlines from Southampton to Belfast City Airport?

Consider Aer Lingus (82%), Emerald Airlines (82%) or British Airways (82%) when booking your flight. These represent the most reliable airlines when flying from Southampton to Belfast City Airport.

What airport do you fly from for flights from Southampton to Belfast City?

Southampton Eastleigh (SOU) is the airport you will fly out of if you book a flight from Southampton to Belfast City. You should not have trouble finding flights to Belfast City from Eastleigh; the airport handles an average of 5 outbound flights to Belfast City per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Southampton airport to Belfast City. It is only a 3.5 mi journey to Eastleigh (SOU) from Southampton’s city center.

Can I find deals for flights from Southampton to Belfast City that include hotel bookings?

Yes. In addition to deals on Southampton to Belfast City flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Southampton to Belfast City?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Belfast City.

Can I find deals for business class flights from Southampton to Belfast City?

Yes. Cheapflights offers flight deals from Southampton to Belfast City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£38+ Cheap Flights from Southampton to Belfast City Airport

Cheapflights Tip: The best prices from Southampton Eastleigh to Belfast City are usually found in November or September, booked 31 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

Cheap flight deals from Southampton to Belfast City

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Southampton to Belfast City
Explore the most affordable flight options available from Southampton to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 October 2026.

Mon 19/1019:30 -

Nonstop1h 35m

Thu 22/1006:40 -

Nonstop1h 45m

Deal found 7/10£86

Thu 10/1212:35 -

Nonstop1h 35m

Thu 17/1210:25 -

Nonstop1h 40m

Deal found 8/10£88

Thu 15/1008:55 -

Nonstop1h 40m

Mon 19/1006:40 -

Nonstop1h 45m

Deal found 8/10£88

Sun 15/1112:35 -

Nonstop1h 35m

Sat 28/1106:40 -

Nonstop1h 40m

Deal found 8/10£91

Sat 17/1008:55 -

Nonstop1h 40m

Mon 19/1006:40 -

Nonstop1h 45m

Deal found 10/10£92

Sun 15/1112:35 -

Nonstop1h 35m

Tue 17/1106:40 -

Nonstop1h 40m

Deal found 10/10£94

Wed 28/1008:50 -

Nonstop1h 35m

Wed 4/1106:40 -

Nonstop1h 40m

Deal found 9/10£95

Fri 4/1216:10 -

Nonstop1h 35m

Mon 7/1210:25 -

Nonstop1h 40m

Deal found 9/10£100

Sat 28/1108:50 -

Nonstop1h 35m

Sun 29/1110:25 -

Nonstop1h 40m

Deal found 9/10£101

Thu 19/1119:40 -

Nonstop1h 35m

Thu 26/1117:35 -

Nonstop1h 35m

Deal found 7/10£103

Thu 26/1112:35 -

Nonstop1h 35m

Fri 27/1117:35 -

Nonstop1h 35m

Deal found 8/10£105

Find flight deals from Southampton to Belfast City

Round-trip from	£86
One-way from	£38
Popular in	December
Cheapest in	November
Average price	£122
Good round-trip deal	£104 or less
Good one-way deal	£44 or less

Aer Lingus
3/11-10/11
Nonstop
3h 15m total
Southampton to Belfast

Search Deals

Aer Lingus
16/1-31/12
Nonstop
1h 35m total
Southampton to Belfast

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (£3 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from Southampton Eastleigh to Belfast City.

Search Deals

Price to beat on a one-way flight from Southampton Eastleigh to Belfast City.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Southampton to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonBelfast

SOU Southampton Eastleigh - BHD Belfast City

SOUBHD

Southampton Eastleigh

Sun 8/11

16:05-09:30

2 stops17h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£116

SouthamptonBelfast

SOU Southampton Eastleigh - BHD Belfast City

SOUBHD

Southampton Eastleigh

Sun 8/11

14:00-15:00

1 stop25h 00m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£132

SouthamptonBelfast

SOU Southampton Eastleigh - BHD Belfast City

SOUBHD

Southampton Eastleigh

Sat 7/11

12:25-07:50

2 stops19h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£132

SouthamptonBelfast

SOU Southampton Eastleigh - BHD Belfast City

SOUBHD

Southampton Eastleigh

Sun 22/11

17:30-09:10

1 stop15h 40m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£138

SouthamptonBelfast

SOU Southampton Eastleigh - BHD Belfast City

SOUBHD

Southampton Eastleigh

Sat 16/1

09:25-16:50

1 stop7h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£138

SouthamptonBelfast

SOU Southampton Eastleigh - BHD Belfast City

SOUBHD

Southampton Eastleigh

Thu 19/11

17:35-16:35

1 stop23h 00m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£138

SouthamptonBelfast

SOU Southampton Eastleigh - BHD Belfast City

SOUBHD

Southampton Eastleigh

Sat 16/1

09:20-20:30

2 stops11h 10m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£144

SouthamptonBelfast

SOU Southampton Eastleigh - BHD Belfast City

SOUBHD

Southampton Eastleigh

Tue 24/11

17:35-09:10

1 stop15h 35m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£152

SouthamptonBelfast

SOU Southampton Eastleigh - BHD Belfast City

SOUBHD

Southampton Eastleigh

Thu 12/11

08:40-09:10

1 stop24h 30m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£152

SouthamptonBelfast

SOU Southampton Eastleigh - BHD Belfast City

SOUBHD

Southampton Eastleigh

Sat 28/11

12:35-14:10

Nonstop1h 35m

Belfast City

Sun 29/11

09:50-15:35

1 stop5h 45m

£155

Flights are sorted by cheapest return flights first.

Deals found on 9/10

Showing 1-10 of 23 resultsSorted by cheapest first

Best time to book a flight from Southampton to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City from Southampton with our price prediction graph.

SOU-BHD

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Southampton to Belfast City Airport

Prices

Airlines

How far ahead should I book a flight from Southampton to Belfast City Airport?

Booking 30 days in advance of your planned departure date is, on average, the best time to get cheap flights from Southampton to Belfast City Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Southampton to Belfast City Airport?

Currently, November is the cheapest month in which you can book a flight from Southampton to Belfast City Airport (average of £113). Flying from Southampton to Belfast City Airport in December is currently the most expensive (average of £178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SOU to BHD?

It’s typically best to fly out from Southampton to Belfast City Airport in the afternoon. Doing so could potentially save you 7% on the flight price compared to flying at midday, which is usually more expensive.

How much does it cost for a return flight from Southampton to Belfast City Airport?

Airfare is below average for this route at the moment.

Southampton to Belfast City Airport flights typically cost between £97 and £162 in November.
The cheapest return price found within the last 5 days was £86 on Aer Lingus (3 Nov–10 Nov).

Reviews of airlines servicing Belfast City

See what other customers who have flown with Aer Lingus from Southampton to Belfast City Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aer Lingus

7.3

Good

1,819 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Aer Lingus

7.3

Good

1,819 reviews

Aer Lingus

7.3

Good

1,819 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Related info for your journey

What airport do you fly from for flights from Southampton to Belfast City?
Southampton Eastleigh (SOU) is the airport you will fly out of if you book a flight from Southampton to Belfast City. You should not have trouble finding flights to Belfast City from Eastleigh; the airport handles an average of 5 outbound flights to Belfast City per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Southampton airport to Belfast City. It is only a 3.5 mi journey to Eastleigh (SOU) from Southampton’s city center.
How long is the flight from Southampton to Belfast City Airport?
For as low as £175, easyJet can have you in Belfast City Airport from Southampton in 15h 50m. The distance between Southampton and Belfast City Airport is about 316 mi. Both multi-stop and direct flights can be found to your destination and back.
What is the cheapest airline to fly from Southampton to Belfast City Airport round-trip?
Flying on Aer Lingus is currently your cheapest option to Belfast City Airport, with prices starting at £82. You may be able to fly from Southampton to Belfast City Airport for 39% less than the average price by searching for this airline.
What are the most reliable airlines from Southampton to Belfast City Airport?
Consider Aer Lingus (82%), Emerald Airlines (82%) or British Airways (82%) when booking your flight. These represent the most reliable airlines when flying from Southampton to Belfast City Airport.
What are the cheapest flights from Southampton to Belfast City Airport?
Looking for the cheapest flight from Southampton to Belfast City Airport? While on average our users pay £108, our data indicates the cheapest price to be £37. The most popular route (Southampton Eastleigh - Belfast City), is priced around £88.
Can I find deals for flights from Southampton to Belfast City that include hotel bookings?
Yes. In addition to deals on Southampton to Belfast City flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Southampton to Belfast City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Belfast City.
Can I find deals for business class flights from Southampton to Belfast City?
Yes. Cheapflights offers flight deals from Southampton to Belfast City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Southampton to Belfast City Airport?
Currently, November is the cheapest month in which you can book a flight from Southampton to Belfast City Airport (average of £113). Flying from Southampton to Belfast City Airport in December is currently the most expensive (average of £178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from Southampton to Belfast City

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest£82	Average£137	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

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How does Cheapflights help users find flights from Southampton to Belfast City?

Cheapflights makes it easy to find Southampton to Belfast City flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Belfast City?

Millions of users choose and trust Cheapflights to book the best flight deals from Southampton to Belfast City for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Southampton to Belfast City with no change fees?

Yes! Cheapflights helps users easily find flights from Southampton to Belfast City with no change fees.

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Cheap flights from Southampton to Belfast City Airport from £38

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southampton to Belfast City

Cheapest flights from Southampton to Belfast CityExplore the most affordable flight options available from Southampton to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 October 2026.

Explore the most affordable flight options available from Southampton to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 October 2026.

Best flights from Southampton to Belfast CityDiscover carefully curated flight deals from Southampton to Belfast City that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.

Discover carefully curated flight deals from Southampton to Belfast City that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.

Direct flights from Southampton to Belfast CityExplore direct flight options from Southampton to Belfast City based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 October 2026.

Explore direct flight options from Southampton to Belfast City based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 October 2026.

Last-minute flights from Southampton to Belfast CityDiscover last-minute flight deals from Southampton to Belfast City. Data last updated 11 October 2026 and is based on user searches.

Discover last-minute flight deals from Southampton to Belfast City. Data last updated 11 October 2026 and is based on user searches.

One-way flights from Southampton to Belfast CitySearch for one-way flight options from Southampton to Belfast City. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.

Search for one-way flight options from Southampton to Belfast City. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.

Find flight deals from Southampton to Belfast City

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Use the filters below to find and compare flights from Southampton to Belfast City Airport that are best for you.

Best time to book a flight from Southampton to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City from Southampton with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Southampton to Belfast City Airport?

Booking 30 days in advance of your planned departure date is, on average, the best time to get cheap flights from Southampton to Belfast City Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Southampton to Belfast City Airport?

What is the cheapest time of day to fly from SOU to BHD?

It’s typically best to fly out from Southampton to Belfast City Airport in the afternoon. Doing so could potentially save you 7% on the flight price compared to flying at midday, which is usually more expensive.

How much does it cost for a return flight from Southampton to Belfast City Airport?

Airfare is below average for this route at the moment.

Southampton to Belfast City Airport flights typically cost between £97 and £162 in November.The cheapest return price found within the last 5 days was £86 on Aer Lingus (3 Nov–10 Nov).

Weekly flight availability from Southampton to Belfast City Airport

The most flights from SOU to BHD are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Belfast City

See what other customers who have flown with Aer Lingus from Southampton to Belfast City Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Southampton to Belfast City?

How long is the flight from Southampton to Belfast City Airport?

What is the cheapest airline to fly from Southampton to Belfast City Airport round-trip?

What are the most reliable airlines from Southampton to Belfast City Airport?

What are the cheapest flights from Southampton to Belfast City Airport?

Can I find deals for flights from Southampton to Belfast City that include hotel bookings?

How can I find direct flights from Southampton to Belfast City?

Can I find deals for business class flights from Southampton to Belfast City?

What is the cheapest month to book a flight from Southampton to Belfast City Airport?

Travelling to a place near Belfast City Airport?

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Alternative routes for Southampton to Belfast City

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Other flights to Belfast City

Explore flights to Belfast City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 October 2026.

Complete your trip

Complete your trip to Belfast City by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Northern Ireland

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Search flights from Southampton to Belfast City by cabin class

Find flights from Southampton to Belfast City, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Southampton and Belfast City flights

Browse other Southampton and Belfast City flight options. Last updated on 11 October 2026.

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Top airline flying from Southampton to Belfast City

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Can Cheapflights notify me if prices for flights from Southampton to Belfast City become cheaper?

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Cheapest flights from Southampton to Belfast City
Explore the most affordable flight options available from Southampton to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 October 2026.

Best flights from Southampton to Belfast City
Discover carefully curated flight deals from Southampton to Belfast City that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.

Direct flights from Southampton to Belfast City
Explore direct flight options from Southampton to Belfast City based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 October 2026.

Last-minute flights from Southampton to Belfast City
Discover last-minute flight deals from Southampton to Belfast City. Data last updated 11 October 2026 and is based on user searches.

One-way flights from Southampton to Belfast City
Search for one-way flight options from Southampton to Belfast City. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.

Southampton to Belfast City Airport flights typically cost between £97 and £162 in November.
The cheapest return price found within the last 5 days was £86 on Aer Lingus (3 Nov–10 Nov).