Cheap flights from Belfast Intl Airport to London from £18
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Belfast Intl to London are usually found in January or March, booked 53 days in advance, depart on a Friday or Thursday and return on a Wednesday
Cheap flight deals from Belfast Intl to London
Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 March 2025.
Find flight deals from Belfast Intl to London
Cheapest flights from Belfast Intl to LondonExplore the most affordable flight options available from Belfast Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 March 2025.
Explore the most affordable flight options available from Belfast Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 March 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Belfast Intl to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 March 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BelfastLondon
BFS - STN
BFSSTN
Belfast Intl
Tue 1/4
15:45-17:05
Nonstop1h 20m
London Stansted
Sat 19/4
21:20-22:35
Nonstop1h 15m
BelfastLondon
BFS - STN
BFSSTN
Belfast Intl
Sun 4/5
07:00-08:20
Nonstop1h 20m
London Stansted
Wed 21/5
07:50-09:10
Nonstop1h 20m
BelfastLondon
BFS - LTN
BFSLTN
Belfast Intl
Sun 4/5
07:00-08:10
Nonstop1h 10m
London Luton
Sun 11/5
08:40-10:00
Nonstop1h 20m
BelfastLondon
BFS - STN
BFSSTN
Belfast Intl
Thu 24/4
20:05-21:20
Nonstop1h 15m
London Stansted
Sun 27/4
06:45-08:00
Nonstop1h 15m
BelfastLondon
BFS - LGW
BFSLGW
Belfast Intl
Fri 9/5
21:05-22:30
Nonstop1h 25m
London Gatwick
Sun 11/5
07:55-09:25
Nonstop1h 30m
BelfastLondon
BFS - LTN
BFSLTN
Belfast Intl
Sun 11/5
07:00-08:10
Nonstop1h 10m
London Luton
Tue 20/5
05:55-00:35
1 stop18h 40m
BelfastLondon
BFS - LGW
BFSLGW
Belfast Intl
Wed 14/5
17:20-09:00
1 stop15h 40m
London Gatwick
Tue 20/5
06:10-07:40
Nonstop1h 30m
BelfastLondon
BFS - LHR
BFSLHR
Belfast Intl
Fri 2/5
22:05-07:25
1 stop9h 20m
London Heathrow
Mon 5/5
21:50-07:15
1 stop9h 25m
BelfastLondon
BFS - LCY
BFSLCY
Belfast Intl
Wed 7/5
08:40-14:50
1 stop6h 10m
London City
Wed 21/5
07:00-11:20
1 stop4h 20m
BelfastLondon
BFS - LTN
BFSLTN
Belfast Intl
Sat 17/5
15:35-16:45
Nonstop1h 10m
Best time to book a flight from Belfast Intl to London
Have a flexible travel schedule? Discover the best time to fly to London from Belfast Intl with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Belfast Intl Airport to London
How far ahead should I book a flight from Belfast Intl Airport to London?
Use this chart to determine the optimal time to book a return flight from Belfast Intl to London. Price data was last updated on 14 March 2025.
Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from Belfast Intl Airport to London. 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 Belfast Intl Airport to London?
Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to London (average of £112). Flying from Belfast Intl Airport to London in August is currently the most expensive (average of £164). 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 BFS to LON?
Find hourly flight availability from Belfast Intl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 March 2025.
One of the essential ways to save on airfare from Belfast Intl Airport to London is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 18% on airfare.
What is the cheapest day to fly from Belfast Intl Airport to London?
Use this chart to determine the cheapest time to fly return from Belfast Intl to London. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Belfast Intl Airport to London flight should consider departing on Tuesday at midday when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
Rainfall in London by month
Plan your trip to London by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.
Temperature in London by month
Plan your trip to London by taking into account the average temperature totals by month.
If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 21 March 2025.
See what other customers who have flown with easyJet, Ryanair and Ryanair from Belfast to London have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Comfort
Entertainment
Boarding
Food
Overall
Reviews
Robert,Jan 2025
LCA - LGW
Crew
Comfort
Entertainment
Boarding
Food
Overall
Reviews
Robert,Jan 2025
LCA - LGW
Crew
Comfort
Entertainment
Boarding
Food
Overall
Reviews
Robert,Jan 2025
LCA - LGW
Crew
Comfort
Entertainment
Boarding
Food
Overall
Reviews
Robert,Jan 2025
LCA - LGW
Related info for your journey
Find useful and relevant information for your journey from Belfast Intl to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Belfast Intl Airport?
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Fly from Belfast Intl to London on these airlines
Choose from the following airlines for your flight from Belfast Intl to London. Flights are based on user searches made on Cheapflights and were last updated on 21 March 2025.
Top 4 airlines flying from Belfast Intl to London
Discover the top 4 airlines that operate flights from Belfast Intl to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 March 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Belfast Intl to London?
Cheapflights helps you search for flights from Belfast Intl to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to London?
Cheapflights helps you find that perfect flight to London from Belfast Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Belfast Intl to London with no change fees?
Yes, we can. To see specific flights from Belfast Intl to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Belfast Intl to London become cheaper?
Not ready to book yet? You can track prices for flights from Belfast Intl to London on Cheapflights with our Price Alert feature and get notified when better prices are available.