$107+ Cheap flights from Heathrow (LHR) to Belfast Intl (BFS)
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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BFS
Jul 8 — Jul 151
1 adult, Economy
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Find cheap flights from Heathrow to Belfast Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from London Heathrow to Belfast Intl are usually found in January or March, booked 66 days in advance, depart on a Saturday or Wednesday and return on a Friday
Cheap flight deals from Heathrow to Belfast Intl
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Belfast Intl (BFS). 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 July 3, 2025.
Round-trip from | $221 (Kiwi.com) |
|---|---|
One-way from | $107 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $206 |
Find flight deals from Heathrow to Belfast Intl
Cheapest flights from Heathrow to Belfast IntlExplore the most affordable flight options available from Heathrow to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.
Explore the most affordable flight options available from Heathrow to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/159:35 pmLHR - BFS
1 stop10h 15mMultiple Airlines
Mon 9/225:55 pmBFS - LHR
1 stop3h 55mMultiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$221
Cheapflights Fare Finder
Customize your flight search to find flights from Heathrow to Belfast Intl 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 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Belfast Intl Airport that are best for you.
Fly from
Heathrow
Fly to
Belfast Intl
Route
Depart
Return
Price
LondonBelfast
LHR - BFS
LHRBFS
London Heathrow
Mon 9/15
9:35 pm-7:50 am
1 stop10h 15m
Belfast Intl
Mon 9/22
5:55 pm-9:50 pm
1 stop3h 55m
$221
LondonBelfast
LHR - BFS
LHRBFS
London Heathrow
Wed 9/3
7:35 am-4:10 pm
1 stop8h 35m
$107
Best time to book a flight from Heathrow to Belfast Intl
Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Heathrow with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Belfast Intl Airport
How far ahead should I book a flight from London Heathrow Airport to Belfast Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Belfast Intl. Price data was last updated on June 27, 2025.
The best time to book flights from London Heathrow Airport to Belfast Intl Airport is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from London Heathrow Airport to Belfast Intl Airport?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Belfast Intl Airport (average of $657). Flying from London Heathrow Airport to Belfast Intl Airport in June is currently the most expensive (average of $1,189). 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 LHR to BFS?
Find hourly flight availability from Heathrow to Belfast Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.
One of the essential ways to save on airfare from London Heathrow Airport to Belfast Intl Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 63% on airfare.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Other flights to Belfast Intl
Explore flights to Belfast Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 3, 2025.
Top 2 airlines flying from Heathrow to Belfast Intl
Discover the top 2 airlines that operate flights from Heathrow to Belfast Intl. 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 2,558,603 searches. Data last updated July 3, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$70 | Average$122 | FlexibilityNo cancel fee | On-time86% | |
| Cheapest$111 | Average$189 | FlexibilityNo cancel fee | On-time70% |