Best time to beat the crowds (20% less expensive on average)
Most popular time to fly (24% more expensive on average)
Flight from Belfast Intl to London Heathrow
(avg. price over the last 2 weeks)
or less
or less
When to book flights from Belfast Intl Airport to Heathrow
Estimated return price
Average price per month
Flight prices as travel date approaches
Top tips for finding a cheap flight from Belfast Intl Airport to London Heathrow Airport
Looking for a cheap flight from London Heathrow Airport to Belfast Intl Airport? 25% of our users found flights on this route for £96 or less one-way and £101 or less round-trip.
The cheapest flight from Belfast Intl Airport to London Heathrow Airport was found, on average, 89 days before departure.
Book at least 4 weeks before departure in order to get a below-average price for flights from Belfast Intl Airport to London Heathrow Airport.
High season is considered to be July, August, and September. The cheapest month to fly from Belfast Intl Airport to London Heathrow Airport is January.
Morning departure is around 21% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days
FAQs for booking Belfast Intl Airport to London Heathrow Airport flights
Flying to London Heathrow Airport from Belfast Intl Airport requires at least one stopover, as there are no direct flights for this route. The shortest flight duration is 3h 10m.
If your flying dates are flexible, you should consider flying to London Heathrow Airport on a Monday, as we generally find the cheapest rates on that day for this route. On the other hand, Friday is the most expensive day to fly from Belfast Intl Airport to London Heathrow Airport. For your return ticket, we recommend flying on a Thursday and avoiding Tuesdays for the best deals.
The earliest departure to London Heathrow Airport leaves Belfast Intl Airport at at 08:00.
The last departure to London Heathrow Airport leaves Belfast Intl Airport at at 23:50.
There are no direct flights connecting Belfast Intl Airport to London Heathrow Airport.
We unfortunately don’t have that data for this specific route.
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Belfast Intl Airport to London Heathrow Airport.
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Belfast Intl Airport is likely to change within 7 days, so travellers know whether to wait or book now.
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport with an airline and back to Belfast Intl Airport with another airline.
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Belfast Intl Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
Book cheap flights from Belfast Intl Airport to London Heathrow Airport
Cheapest flights to London Heathrow Airport from Belfast Intl Airport found in 2022
Recent return flight deals
11/7Mon
1 stopMultiple Airlines
6h 30mBFS-LHR
18/7Mon
1 stopMultiple Airlines
9h 20mLHR-BFS
£186
21/7Thu
1 stopMultiple Airlines
4h 20mBFS-LHR
24/7Sun
1 stopMultiple Airlines
10h 35mLHR-BFS
£197
15/7Fri
1 stopMultiple Airlines
4h 15mBFS-LHR
18/7Mon
1 stopMultiple Airlines
10h 45mLHR-BFS
£208
12/7Tue
1 stopMultiple Airlines
5h 20mBFS-LHR
15/7Fri
1 stopMultiple Airlines
10h 25mLHR-BFS
£227
27/10Thu
2 stopsMultiple Airlines
21h 25mBFS-LHR
30/10Sun
2 stopsMultiple Airlines
31h 45mLHR-BFS
£231
26/9Mon
1 stopMultiple Airlines
7h 25mBFS-LHR
30/9Fri
1 stopMultiple Airlines
15h 40mLHR-BFS
£241
20/8Sat
1 stopMultiple Airlines
26h 10mBFS-LHR
22/8Mon
1 stopMultiple Airlines
5h 25mLHR-BFS
£252
13/7Wed
1 stopMultiple Airlines
4h 55mBFS-LHR
16/7Sat
1 stopMultiple Airlines
10h 05mLHR-BFS
£263
22/7Fri
1 stopMultiple Airlines
6h 35mBFS-LHR
22/7Fri
1 stopMultiple Airlines
3h 35mLHR-BFS
£335
29/7Fri
1 stopMultiple Airlines
3h 10mBFS-LHR
5/8Fri
1 stopMultiple Airlines
10h 25mLHR-BFS
£349
8/8Mon
1 stopMultiple Airlines
15h 55mBFS-LHR
12/8Fri
1 stopMultiple Airlines
5h 15mLHR-BFS
£371
9/8Tue
1 stopMultiple Airlines
7h 30mBFS-LHR
13/8Sat
1 stopMultiple Airlines
22h 45mLHR-BFS
£403
6/9Tue
1 stopMultiple Airlines
7h 30mBFS-LHR
10/9Sat
1 stopMultiple Airlines
5h 05mLHR-BFS
£405
22/8Mon
2 stopsMultiple Airlines
10h 05mBFS-LHR
25/8Thu
2 stopsMultiple Airlines
12h 35mLHR-BFS
£425
29/7Fri
1 stopMultiple Airlines
7h 25mBFS-LHR
1/8Mon
2 stopsMultiple Airlines
22h 40mLHR-BFS
£427
29/7Fri
1 stopMultiple Airlines
26h 15mBFS-LHR
1/8Mon
1 stopMultiple Airlines
21h 50mLHR-BFS
£433
29/7Fri
1 stopMultiple Airlines
26h 15mBFS-LHR
31/7Sun
1 stopMultiple Airlines
26h 10mLHR-BFS
£467
30/7Sat
1 stopMultiple Airlines
14h 05mBFS-LHR
6/8Sat
1 stopMultiple Airlines
5h 05mLHR-BFS
£479
4/8Thu
2 stopsMultiple Airlines
9h 25mBFS-LHR
7/8Sun
2 stopsMultiple Airlines
14h 45mLHR-BFS
£487
29/7Fri
2 stopsMultiple Airlines
10h 35mBFS-LHR
5/8Fri
2 stopsMultiple Airlines
15h 45mLHR-BFS
£507
Search by stops
Search by price
Recent one-way flight deals
11/7Mon
1 stopMultiple Airlines
6h 30mBFS-LHR
18/7Mon
1 stopMultiple Airlines
9h 20mLHR-BFS
£186
21/7Thu
1 stopMultiple Airlines
4h 20mBFS-LHR
24/7Sun
1 stopMultiple Airlines
10h 35mLHR-BFS
£197
15/7Fri
1 stopMultiple Airlines
4h 15mBFS-LHR
18/7Mon
1 stopMultiple Airlines
10h 45mLHR-BFS
£208
12/7Tue
1 stopMultiple Airlines
5h 20mBFS-LHR
15/7Fri
1 stopMultiple Airlines
10h 25mLHR-BFS
£227
27/10Thu
2 stopsMultiple Airlines
21h 25mBFS-LHR
30/10Sun
2 stopsMultiple Airlines
31h 45mLHR-BFS
£231
26/9Mon
1 stopMultiple Airlines
7h 25mBFS-LHR
30/9Fri
1 stopMultiple Airlines
15h 40mLHR-BFS
£241
20/8Sat
1 stopMultiple Airlines
26h 10mBFS-LHR
22/8Mon
1 stopMultiple Airlines
5h 25mLHR-BFS
£252
13/7Wed
1 stopMultiple Airlines
4h 55mBFS-LHR
16/7Sat
1 stopMultiple Airlines
10h 05mLHR-BFS
£263
22/7Fri
1 stopMultiple Airlines
6h 35mBFS-LHR
22/7Fri
1 stopMultiple Airlines
3h 35mLHR-BFS
£335
29/7Fri
1 stopMultiple Airlines
3h 10mBFS-LHR
5/8Fri
1 stopMultiple Airlines
10h 25mLHR-BFS
£349
8/8Mon
1 stopMultiple Airlines
15h 55mBFS-LHR
12/8Fri
1 stopMultiple Airlines
5h 15mLHR-BFS
£371
9/8Tue
1 stopMultiple Airlines
7h 30mBFS-LHR
13/8Sat
1 stopMultiple Airlines
22h 45mLHR-BFS
£403
6/9Tue
1 stopMultiple Airlines
7h 30mBFS-LHR
10/9Sat
1 stopMultiple Airlines
5h 05mLHR-BFS
£405
22/8Mon
2 stopsMultiple Airlines
10h 05mBFS-LHR
25/8Thu
2 stopsMultiple Airlines
12h 35mLHR-BFS
£425
29/7Fri
1 stopMultiple Airlines
7h 25mBFS-LHR
1/8Mon
2 stopsMultiple Airlines
22h 40mLHR-BFS
£427
29/7Fri
1 stopMultiple Airlines
26h 15mBFS-LHR
1/8Mon
1 stopMultiple Airlines
21h 50mLHR-BFS
£433
29/7Fri
1 stopMultiple Airlines
26h 15mBFS-LHR
31/7Sun
1 stopMultiple Airlines
26h 10mLHR-BFS
£467
30/7Sat
1 stopMultiple Airlines
14h 05mBFS-LHR
6/8Sat
1 stopMultiple Airlines
5h 05mLHR-BFS
£479
4/8Thu
2 stopsMultiple Airlines
9h 25mBFS-LHR
7/8Sun
2 stopsMultiple Airlines
14h 45mLHR-BFS
£487
29/7Fri
2 stopsMultiple Airlines
10h 35mBFS-LHR
5/8Fri
2 stopsMultiple Airlines
15h 45mLHR-BFS
£507
Search by stops
Search by price
Belfast Intl Airport - London Heathrow Airport Flights