Cheap Flights from Southampton to Belfast

Cheapest flights from Southampton to Belfast

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Southampton to Belfast. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$44

EasyJet

Direct flight

1h 15m

09/14/2026

The cheapest one-way flight from Southampton to Belfast departs on 09/14/2026, is operated by EasyJet and costs $44

Cheapest round trip flight

$116

EasyJet

Direct flight

2h 55m

09/13/2026

The cheapest roundtrip flight from Southampton to Belfast departs on 09/13/2026, is operated by EasyJet and costs $116

The fastest flight

1h 15m

Fastest flight from Southampton to Belfast takes 1h 15m

Direct flights

Several times a week

There are direct flights on this route 6 days a week: Su, Mo, Tu, We, Th, and Sa

Earliest flight

8:55 AM

Latest flight

7:30 PM

Direct flights count

45

Distance

510km

Timezone difference

0h

The distance between Southampton and Belfast is 510km (316 miles). There are 45 direct flights from Southampton to Belfast. Southampton and Belfast are in the same time zone. Flights from Southampton begin at 8:55 AM. The latest flight from Southampton departs at 7:30 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Southampton to Belfast by month

The cost of a one-way flight from Southampton to Belfast ranges from $50 (September 2026) to $122 (October 2026). On average, the ticket price is about $93–$228.

September 2026

Lowest price

on average:

$50

October 2026

Highest price

on average:

$122

Avg Price

Price dynamics

Ticket prices for Southampton — Belfast follow a predictable curve: rise, peak, and decline. This typical seasonal pattern lets you plan your purchase to avoid overpaying.

Cheaper and more expensive periods

Prices rise from September 2026 to October 2026 (+142%), then decline from October 2026 to December 2026 (13%). The cheapest tickets are in September 2026–October 2026 (averaging $86), while the priciest are in October 2026–December 2026 ($114).

Best time to buy

For savings, plan your flight for September 2026–October 2026 — you could save up to 25%. Try to avoid October 2026–December 2026 when possible: prices are at their highest then.

Price predictability

Price spread on this route is 33.1%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.

Airlines operating on route

Flights from Southampton to Belfast are operated by several airlines — Aer Lingus and EasyJet. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $44, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.

Aer Lingus

starting at $50

EasyJet

starting at $44

Non-stop flights from Southampton to Belfast

A non-stop flight is the most convenient and comfortable way to fly from Southampton to Belfast, despite the fact that sometimes flights with transfers can cost significantly less.

Southampton — Belfast

SOU — BFS

09/17/2026

Departure

Direct flight

EI3601

starting at $62

Southampton — Belfast

SOU — BFS

09/12/2026

Departure

Direct flight

EI3601

starting at $73

Southampton — Belfast

SOU — BFS

09/13/2026

Departure

Direct flight

EI3605

starting at $222

Southampton — Belfast

SOU — BFS

09/14/2026

Departure

Direct flight

EI3601

starting at $82

Southampton — Belfast

SOU — BFS

09/16/2026

Departure

Direct flight

EI3607

starting at $72

Southampton — Belfast

SOU — BFS

09/22/2026

Departure

Direct flight

EI3601

starting at $109

Schedule of direct flights from Southampton to Belfast

There are most likely no direct flights on the Southampton — Belfast route

Southampton airports overview

Southampton Airport

•

SOU

•

Belfast airports overview

Belfast International Airport

•

BFS

20km

George Best Belfast City Airport

•

BHD

5km

Convenient for Belfast city centre, serving mainly domestic and short‑haul routes across the UK and Ireland, with direct road and rail links for quick access to downtown.

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Southampton to Belfast?

The cheapest flight ticket from Southampton to Belfast according to data for the last 48 hours costs $44

When is the best time to buy air tickets on the route Southampton — Belfast?

Often the best time to buy tickets from Southampton to Belfast is 2 months before departure.

When is the cheapest time of year to fly from Southampton to Belfast?

Based on statistics over the past years, the lowest prices for flights from Southampton to Belfast can be found flying in these months: September, December, October.

How long does it take to fly from Southampton to Belfast?

The fastest flights from Southampton to Belfast start from 1 hour 15 minutes in the air.

Which airline can fly direct from Southampton to Belfast?

The following airlines operate direct flights on the route Southampton — Belfast: Aer Lingus

Special offers and sales on air tickets from Southampton to Belfast

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Southampton to Belfast

Alternative routes

Bournemouth ➜ Belfast•Bristol ➜ Belfast•Brighton ➜ Belfast•London ➜ Belfast•Reading ➜ Belfast•Swindon ➜ Belfast•Southampton ➜ Blackpool•Southampton ➜ Dundee•Southampton ➜ Edinburgh•Southampton ➜ Liverpool•Southampton ➜ Manchester•Southampton ➜ Newcastle

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Cheapest one way flight

$44

EasyJet

Direct flight

1h 15m

09/14/2026

The cheapest one-way flight from Southampton to Belfast departs on 09/14/2026, is operated by EasyJet and costs $44

Cheapest round trip flight

$116

EasyJet

Direct flight

2h 55m

09/13/2026

The cheapest roundtrip flight from Southampton to Belfast departs on 09/13/2026, is operated by EasyJet and costs $116

The fastest flight