$25 Cheap Flights from London (STN) to Belfast (BFS)

View $25 flight on Tue, Sep 2, 2025Opens in a new window

Popular airlines from Stansted Airport (STN) to Belfast International Airport (BFS)

Cheap Flights from London to Belfast (STN-BFS)

Prices were available within the past 7 days and start at $25 for one-way flights and $50 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Tue, Sep 2 - Thu, Sep 4
STN
London
BFS
Belfast
$50 Roundtrip, just found
$50
Roundtrip
just found
Select Ryanair flight, departing Tue, Sep 2 from London to Belfast, returning Thu, Sep 4, priced at $50 just found
Ryanair
Tue, Sep 2 - Thu, Sep 4
STN
London
BFS
Belfast
$54 Roundtrip, just found
$54
Roundtrip
just found
Select Ryanair flight, departing Tue, Sep 2 from London to Belfast, returning Thu, Sep 4, priced at $54 just found
Ryanair
Wed, Sep 17 - Wed, Sep 24
STN
London
BFS
Belfast
$55 Roundtrip, found 2 days ago
$55
Roundtrip
found 2 days ago
Select Ryanair flight, departing Wed, Sep 17 from London to Belfast, returning Wed, Sep 24, priced at $55 found 2 days ago
Ryanair
Thu, Sep 4 - Sun, Sep 14
STN
London
BFS
Belfast
$56 Roundtrip, found 1 day ago
$56
Roundtrip
found 1 day ago
Select Ryanair flight, departing Thu, Sep 4 from London to Belfast, returning Sun, Sep 14, priced at $56 found 1 day ago
Ryanair
Tue, Sep 2 - Thu, Sep 4
STN
London
BFS
Belfast
$58 Roundtrip, just found
$58
Roundtrip
just found
Select Ryanair flight, departing Tue, Sep 2 from London to Belfast, returning Thu, Sep 4, priced at $58 just found
Ryanair
Thu, Sep 25 - Sun, Sep 28
STN
London
BFS
Belfast
$58 Roundtrip, found 3 hours ago
$58
Roundtrip
found 3 hours ago
Select Ryanair flight, departing Thu, Sep 25 from London to Belfast, returning Sun, Sep 28, priced at $58 found 3 hours ago
Ryanair
Mon, Sep 8 - Thu, Sep 11
STN
London
BFS
Belfast
$59 Roundtrip, found 12 hours ago
$59
Roundtrip
found 12 hours ago
Select Ryanair flight, departing Mon, Sep 8 from London to Belfast, returning Thu, Sep 11, priced at $59 found 12 hours ago
Ryanair
Wed, Sep 17 - Wed, Sep 24
STN
London
BFS
Belfast
$60 Roundtrip, found 2 days ago
$60
Roundtrip
found 2 days ago
Select Ryanair flight, departing Wed, Sep 17 from London to Belfast, returning Wed, Sep 24, priced at $60 found 2 days ago
Ryanair
Fri, Sep 12 - Sun, Sep 14
STN
London
BFS
Belfast
$61 Roundtrip, found 3 days ago
$61
Roundtrip
found 3 days ago
Select Ryanair flight, departing Fri, Sep 12 from London to Belfast, returning Sun, Sep 14, priced at $61 found 3 days ago
easyJet
Thu, Sep 25 - Mon, Sep 29
STN
London
BFS
Belfast
$74 Roundtrip, found 3 days ago
$74
Roundtrip
found 3 days ago
Select easyJet flight, departing Thu, Sep 25 from London to Belfast, returning Mon, Sep 29, priced at $74 found 3 days ago

Find the cheapest month to fly from London (STN) to Belfast (BFS)

March is typically the cheapest month to fly

From $50 - $110 per traveler.

Graph displaying average flight prices per month

Alternative airports near Belfast

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Belfast Intl. BFS. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $145
BFS
Belfast Intl.
Cheapest
Average driving time to city center24 min
Flights from $145
Flights from London (STN) to Belfast (BFS)
Origin airport
Stansted
Destination airport
Belfast Intl.
Airlines serving
Ryanair, easyJet
Roundtrip price
$50
Distance
328 mi
Average flight time
1 hour 16 mins

London to Belfast Flights

The cheapest times to fly from London to Belfast

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Belfast are during the month of September. You can find some of the cheapest flights from London to Belfast with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Belfast

Sunday is one of the best days to book for cheap flights from London to Belfast: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Belfast

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Belfast in 2025. You can also book with separate airlines for your outbound and return journeys, from $25 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Belfast flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Belfast airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Stansted Airport (STN) to Belfast Intl. Airport (BFS) cost?
Snag a cheap one-way flight from $25 or cheap return flight from $50 from Stansted Airport (STN) to Belfast Intl. Airport (BFS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Stansted Airport (STN) to Belfast Intl. Airport (BFS)?
The cheapest month to fly from STN to BFS is September, when there's less demand. Off-peak months are typically when airlines offer lower prices between these airports.
Which airlines fly direct from Stansted Airport (STN) to Belfast Intl. Airport (BFS)?
Board a nonstop flight with easyJet and fly straight from Stansted Airport (STN) to Belfast Intl. Airport (BFS).
What is the cheapest airline that flies from Stansted Airport (STN) to Belfast Intl. Airport (BFS)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest STN to BFS flight.
How many flights per day from Stansted Airport (STN) to Belfast Intl. Airport (BFS)?
With, on average, 4 nonstop flights departing from Stansted Airport (STN) to Belfast Intl. Airport (BFS) daily, you'll be on your way in no time.
What are the most popular departure times for flights from Stansted Airport (STN) to Belfast Intl. Airport (BFS)?
Flights between STN and BFS tend to be busiest at 8 PM. If you'd like a more relaxed experience and potentially cheaper prices, look for a time when demand is lower.
What day of the week has the most flights from STN to BFS?
Friday has the most flights from Stansted Airport (STN) to Belfast Intl. Airport (BFS). Consider traveling on this day and you'll have the best chance of finding a departure that works with your plans.
What is the earliest flight from Stansted Airport (STN) to Belfast Intl. Airport (BFS)?
The first flight of the day jetting off from Stansted Airport (STN) is at around 5:55AM UTC+0. Hop on this flight and you'll reach Belfast Intl. Airport (BFS) at approximately 7:15AM UTC+0. The entire trip takes 1h 20m.
How long does it take to fly from Stansted Airport (STN) to Belfast Intl. Airport (BFS)?
The average flight duration from STN to BFS is 1 hour and 20 minutes, covering a total distance of 330 mi.
What is the best time to fly from Stansted Airport (STN) to Belfast Intl. Airport (BFS)?
Book a flight from Stansted Airport (STN) to Belfast Intl. Airport (BFS) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Belfast from Stansted Airport (STN)?
If you're taking a direct flight from Stansted Airport (STN) to Belfast, Belfast Intl. Airport (BFS) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Stansted Airport (STN) to Belfast Intl. Airport (BFS) last-minute?
Last-minute fares from STN to BFS are typically more expensive. To lock in the lowest rates, start searching for flights early. That being said, if you're flexible with your travel dates, you may find a cheap fare right before your trip.
Is it cheaper to book a STN to BFS flight and hotel package?
Booking a STN to BFS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our extensive range of hotels and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Stansted Airport (STN) to Belfast Intl. Airport (BFS)?
If you booked your STN to BFS flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.