Are direct flights from Southampton to Belfast always the best option?

Direct flights offer convenience and save time, but they are not always the most economical choice. Flights with one or more layovers can sometimes be significantly cheaper. Consider your priorities for cost versus travel time when making your decision.

Can flexible travel dates help on Southampton to Belfast flights?

Yes, being flexible with your travel dates can often lead to finding cheaper flights. Prices can vary significantly depending on the day of the week or even the time of day. Adjusting your itinerary by a day or two may result in better deals.

What extra costs should I check before booking Southampton to Belfast flights?

Always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Understanding these additional fees helps you calculate the true total cost of your flight.

Flights From Southampton

To Belfast

Cheap Flights from Southampton to Belfast

Browse current best options from Southampton. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Southampton

RatePunk searches hundreds of travel sites at once for deals on flights to Belfast

Prices updated today

485 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Nov 2, 2026.)

Today’s best flight deals from Southampton to Belfast

Explore current cheapest deals departing from Southampton to Belfast

2027-02-01 – 2027-02-05
SOU - Belfast
46% AI deal score
£51
£44
Round trip
2027-02-05 – 2027-02-12
SOU - Belfast
45% AI deal score
£50
£44
Round trip
2027-02-05 – 2027-02-15
SOU - Belfast
44% AI deal score
£48
£44
Round trip
2027-02-08 – 2027-02-12
SOU - Belfast
45% AI deal score
£50
£44
Round trip
2027-02-08 – 2027-02-15
SOU - Belfast
45% AI deal score
£49
£44
Round trip
2027-02-01 – 2027-02-12
SOU - Belfast
43% AI deal score
£47
£46
Round trip
2027-02-01 – 2027-02-15
SOU - Belfast
43% AI deal score
£47
£46
Round trip
2027-02-05 – 2027-02-22
SOU - Belfast
42% AI deal score
£47
£47
Round trip
2027-02-08 – 2027-02-22
SOU - Belfast
42% AI deal score
£47
£47
Round trip
2027-02-15 – 2027-02-22
SOU - Belfast
43% AI deal score
£48
£47
Round trip

Southampton to Belfast: Overview

Insights for flights from Southampton to Belfast

A typical journey from Southampton to Belfast covers 526 kilometers, classifying it as a short-haul flight. This distance means you can expect a relatively quick trip, though the overall travel time can vary significantly based on connections.

For travelers seeking cheap flights from Southampton to Belfast, the journey typically takes 1 hour and 35 minutes for direct flights. However, since most itineraries involve connections, a typical journey including connections can extend significantly, with a median connecting flight time of 51 hours and 20 minutes.

When is the cheapest time to fly from Southampton to Belfast? The data indicates that August is the most affordable month, with a median fare of $61. Following closely are November and December, both offering median fares of $74. These months present the best opportunities for finding lower prices.

Fares for flights from Southampton to Belfast typically range from $229–$468, with a median price of $323. Right now, current fares are significantly above the typical level for this route. Only 7% of recent fares were classified as a good price, suggesting that finding a deal can be challenging. Deals are also infrequent, so setting up a price alert is recommended to catch any drops.

Regarding direct flights from Southampton to Belfast, only 19.4% of recent itineraries are non-stop. This means that most itineraries connect at least once, with the majority of connecting flights typically involving one stopover. Travelers should account for these connections when planning their trip and considering overall travel time.

How much is a round trip from Southampton to Belfast

Regular price: £35 - £120

Prices for flights from Southampton to Belfast are currently within the regular range.

The regular price range for flights from Southampton to Belfast is typically between 35 GBP and 120 GBP. The current lowest deal is 58 GBP with easyJet UK, for travel between Feb 5-Mar 1.

now £58

Low £35

High £120

The cheapest time to fly from Southampton to Belfast

The cheapest month to fly from Southampton to Belfast is August, with a median price of $61. The most expensive month is October, with a median price of $351. Prices are generally lower from January to December.

August

Cheapest

Flights from £61

October

Most Expensive

Flights from £351

Jan

Aug

Sep

Oct

Nov

Dec

Direct flights from Southampton to Belfast

Aer Lingus

easyJet UK

Last-minute flights going from Southampton to Belfast

Mon, Oct 26

⌛ Last-Minute

SOU - Belfast

Southampton (SOU) - Belfast (BFS)

easyJet UK

£206

£329

One-way

Tue, Oct 27

⌛ Last-Minute

SOU - Belfast

Southampton (SOU) - Belfast (BHD)

Aer Lingus

£95

£342

One-way

Wed, Oct 28

⌛ Last-Minute

SOU - Belfast

Southampton (SOU) - Belfast (BFS)

easyJet UK

£205

£287

One-way

Wed, Oct 28

⌛ Last-Minute

SOU - Belfast

Southampton (SOU) - Belfast (BHD)

Aer Lingus

£95

£310

One-way

Thu, Oct 29

⌛ Last-Minute

SOU - Belfast

Southampton (SOU) - Belfast (BHD)

KLM

£216

£382

One-way

Fri, Oct 30

⌛ Last-Minute

SOU - Belfast

Southampton (SOU) - Belfast (BFS)

easyJet UK

£206

£228

One-way

Biggest price drops on these dates for flights from Southampton to Belfast

5 nights

Dec 26 - Dec 31

£144 → £91

37%

3 nights

Dec 4 - Dec 7

£147 → £96

35%

3 nights

Dec 1 - Dec 4

£146 → £99

32%

1 night

Dec 10 - Dec 11

£146 → £102

31%

Popular Airports to fly from Southampton to Belfast

Southampton - Belfast route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Southampton to Belfast are above the typical level for the route.

📅 Best time to fly

Fly in August for the lowest prices

Historically, August, November, and December offer the lowest median prices for this route.

⏱️ Flight duration

Direct flights take 1h 35m

The median flight time for a direct flight from Southampton to Belfast is 1h 35m.

✈️ Airlines & availability

Connecting flights are more common

Only 19.4% of recent deals for this route are direct flights.

🏆 Airline highlight

easyJet UK offers deals from $58

easyJet UK recently offered a deal for $58 from Southampton to Belfast.

🎯 Booking tip

Deals are rare for this route

Deals from Southampton to Belfast are historically rare, appearing infrequently over 30 days.

Southampton main airports to depart from

Southampton (SOU)

Cheapest

Southampton Airport offers convenient departures to Belfast, with competitive pricing for your journey.

📍 ~6 km from Southampton (reachable by car or train)

💸 Flights from ~£60

Belfast main airports to arrive at

Belfast International (BFS)

Cheapest

Belfast International Airport is a convenient arrival option for flights from Southampton to Belfast.

📍 ~20 km from Belfast city center (reachable by car)

💸 Flights from ~£49

Airports nearby Belfast used as alternative

Dublin (DUB)

Dublin offers a significantly larger route network and often more competitive pricing for various flights.

📍 ~140 km from Belfast (reachable by bus or rail), but requires crossing the border into the Republic of Ireland.

💸 Flights from ~£81

Business & First Class Flight Deals to Belfast

Discover luxury on the budget with premium cabin class on flights from Southampton to Belfast.

Elite

Best Elite deals to Belfast

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From SOU

Elite

Oct 23

Belfast, United Kingdom

81% AI deal score

$2,712

$1,097

Save $1,615

KLM

Business Class

From SOU

Elite

Oct 22

Belfast, United Kingdom

76% AI deal score

$2,726

$1,376

Save $1,350

KLM

Business Class

From SOU

Elite

Oct 12

Belfast, United Kingdom

48% AI deal score

$2,720

$2,317

Save $403

KLM

Business Class

Frequently Asked Questions About Flights to Belfast

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can also help you identify better deals. Looking into flights with layovers might also present lower-cost options.

Booking in advance often provides more competitive prices, especially for popular routes. However, last-minute deals can sometimes appear, so it's wise to monitor prices. There isn't a single best time, but planning ahead usually offers more choices.

Comparing nearby airports can often lead to discovering more flight options and potentially lower fares. While it may add to your ground travel, the savings on airfare can sometimes be significant. It's a good strategy for finding the best overall value.

Related routes

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Flights to Belfast from other cities

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Southampton to Belfast: Overview

Insights for flights from Southampton to Belfast

How much is a round trip from Southampton to Belfast

Regular price: £35 - £120

Prices for flights from Southampton to Belfast are currently within the regular range.

The regular price range for flights from Southampton to Belfast is typically between 35 GBP and 120 GBP. The current lowest deal is 58 GBP with easyJet UK, for travel between Feb 5-Mar 1.

now £58

Low £35

High £120

The cheapest time to fly from Southampton to Belfast

August

Cheapest

Flights from £61

October

Most Expensive

Flights from £351

Jan

Aug

Sep

Oct

Nov

Dec

Direct flights from Southampton to Belfast

Aer Lingus

easyJet UK

Last-minute flights going from Southampton to Belfast

Mon, Oct 26

⌛ Last-Minute

SOU - Belfast

Southampton (SOU) - Belfast (BFS)

easyJet UK

£206

£329

One-way

Tue, Oct 27

⌛ Last-Minute

SOU - Belfast

Southampton (SOU) - Belfast (BHD)

Aer Lingus

£95

£342

One-way

Wed, Oct 28

⌛ Last-Minute

SOU - Belfast

Southampton (SOU) - Belfast (BFS)

easyJet UK

£205

£287

One-way

Wed, Oct 28

⌛ Last-Minute

SOU - Belfast

Southampton (SOU) - Belfast (BHD)

Aer Lingus

£95

£310

One-way

Thu, Oct 29

⌛ Last-Minute

SOU - Belfast

Southampton (SOU) - Belfast (BHD)

KLM

£216

£382

One-way

Fri, Oct 30

⌛ Last-Minute

SOU - Belfast

Southampton (SOU) - Belfast (BFS)

easyJet UK

£206

£228

One-way

Biggest price drops on these dates for flights from Southampton to Belfast

5 nights

Dec 26 - Dec 31

£144 → £91

37%

3 nights

Dec 4 - Dec 7

£147 → £96

35%

3 nights

Dec 1 - Dec 4

£146 → £99

32%

1 night

Dec 10 - Dec 11

£146 → £102

31%

Popular Airports to fly from Southampton to Belfast