Cheap flights from Southampton to Belfast

Southampton
SOU
Belfast
BFS

Flight deals from Southampton to Belfast

Below you can see the best deals on flights Southampton — Belfast for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 19 October, from $43.

Top 10 cheap flights from Southampton to Belfast

U2
$ 55

Southampton — Belfast

12:15—13:30
5 Sep 2026
1 h 15 m
Direct flight
U2
$ 55

Southampton — Belfast

12:15—13:30
19 Sep 2026
1 h 15 m
Direct flight
EI
$ 58

Southampton — Belfast

08:55—10:35
9 Sep 2026
1 h 40 m
Direct flight
EI
$ 58

Southampton — Belfast

08:55—10:35
12 Sep 2026
1 h 40 m
Direct flight
EI
$ 58

Southampton — Belfast

19:30—21:05
3 Sep 2026
1 h 35 m
Direct flight
EI
$ 58

Southampton — Belfast

08:55—10:35
3 Sep 2026
1 h 40 m
Direct flight
EI
$ 58

Southampton — Belfast

08:55—10:35
6 Sep 2026
1 h 40 m
Direct flight
EI
$ 58

Southampton — Belfast

08:55—10:35
13 Sep 2026
1 h 40 m
Direct flight
EI
$ 58

Southampton — Belfast

12:35—14:10
2 Sep 2026
1 h 35 m
Direct flight
EI
$ 58

Southampton — Belfast

08:55—10:35
2 Sep 2026
1 h 40 m
Direct flight

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Southampton — Belfast flight

Looking for cheap flights from Southampton to Belfast? Compare fares from different airlines, check the flight schedule and travel time — and book your Southampton — Belfast ticket online at the best price.

The route has direct flights — around 75 flights per week, flights are operated by Aer Lingus, British Airways, Easy jet, a nonstop flight takes about 1 h 35 min, the distance between the cities is around 511 km.

Planning your trip? You may find our Belfast travel guide, how to get from the airport into town and Belfast weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $43Min. price
OctoberCheapest
MarchPeak season
YesDirect flights
511 kmDistance
1 h 35 minTravel time
3Airlines
75 / wkFlights

Flight schedule from Southampton to Belfast

The table shows direct flights from Southampton to Belfast on the selected date. The flight takes approximately 1 h 35 min. Regular flights are operated by Aer Lingus, British Airways and Easy jet. Departures from Southampton Airport airports, arrivals at Belfast International Airport and George Best Belfast City Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 25 Aug 2026

Flight ticket prices by day: Southampton — Belfast

Below is a calendar of the lowest flight ticket prices for Southampton — Belfast by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $43 in October, and the most expensive are around $96 in March. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Southampton to Belfast by month. Tickets are usually cheapest in August (around $41) and priciest in January (about $248) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$248highMay$59mediumSep$41low
Feb$113mediumJun$55mediumOct$41low
Mar$89mediumJul$54mediumNov$90high
Apr$49lowAug$41lowDec$90high

Some values are estimated based on seasonality.

When to fly

Weather in Belfast: it is warmest in July (up to 17 °C on average) and coolest in January (around 7 °C). The driest month is January.

Tickets are usually cheapest in October and most expensive in March. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Belfast

Dry and wet days · Belfast

Wind speed and direction · Belfast

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How to get the best deal on a Southampton — Belfast ticket

  • Book ahead: fares for Southampton — Belfast are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Belfast is usually October — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Southampton — Belfast route are operated by 3 airlines; Aer Lingus runs the most flights (around 59% of all flights). Compare carriers, flight shares and schedules below.

  • Aer LingusEI
    15x/week
    WebsiteFleet: 5710.7M pax/year
    • Direct flight SOU → BHD15x/week
      Duration
      1h 37m
      Days
      MTWTFSS
    58.7%Open →
  • British AirwaysBA
    8x/week
    WebsiteFleet: 29243M pax/year
    • Direct flight SOU → BHD8x/week
      Duration
      1h 36m
      Days
      MTWTFSS
    33.3%Open →
  • Easy jetU2
    2x/week
    WebsiteFleet: 33682.8M pax/year
    • Direct flight SOU → BFS2x/week
      Duration
      1h 15m
      Days
      MTWTFSS
    8.0%Open →

Cities and airports on the Southampton — Belfast route

Flights Southampton — Belfast depart from Southampton Airport and arrive at Belfast International Airport and George Best Belfast City Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Southampton

SOU
United Kingdom
About the cityHow to get thereWeatherAll about the country United Kingdom
Arrival

Belfast

BFS
United Kingdom
About the cityHow to get thereWeatherAll about the country United Kingdom
Departure airports
Arrival airports

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Frequently asked questions about the Southampton — Belfast flight

How long is the flight from Southampton to Belfast?

A nonstop Southampton — Belfast flight takes about 1 h 35 min — the distance between the cities is around 511 km.

How far is it from Southampton to Belfast?

The distance from Southampton to Belfast is about 511 km, which a nonstop flight covers in around 1 h 35 min.

Are there direct flights from Southampton to Belfast?

Yes, there are nonstop flights Southampton — Belfast — around 75 flights per week.

Which airlines fly from Southampton to Belfast?

Airlines operating Southampton — Belfast include Aer Lingus, British Airways, Easy jet. See the full list with schedules in the "Airlines" section on this page.

Which airports do Southampton — Belfast flights use?

Flights from Southampton depart from Southampton Airport, and arrive at Belfast International Airport, George Best Belfast City Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Southampton to Belfast?

The price of a Southampton — Belfast ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in March. Tickets typically cost between $43 and $96. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Southampton — Belfast?

Flights Southampton — Belfast are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Southampton to Belfast?

To catch a low fare Southampton — Belfast, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Southampton

See all
DublinLondonSaint HelierEdinburghAmsterdamManchesterNewcastle upon TyneSt Peter PortPalmaAlderneyGlasgowParisGenevaBarcelonaAberdeenAlicanteFaroBrusselsMaastrichtNantesFrankfurt am MainCologneCorkDusseldorfStrasbourgToursToulousePragueBerlinEindhovenMilanMontpellierKerryRomeNiceLyonBremenLuxembourg CityHamburgMunster

Where else you can fly from Belfast

See all
LondonManchesterEdinburghBirminghamGlasgowLeedsLiverpoolAmsterdamPalmaBristolFaroNewcastle upon TyneMalagaNottinghamCardiffParisAlicanteReusAberdeenSanta Cruz de TenerifeExeterAntalyaInvernessMuglaBarcelonaGenevaLarnacaPuerto del RosarioMahonCorfuMarrakechIbizaPragueSaint HelierKrakowLas PalmasArrecifeFunchalPaphosRhodes

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