$324+ Cheap flights from Buffalo (BUF) to Heathrow (LHR)
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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Cheapest flights from Buffalo to HeathrowExplore the most affordable flight options available from Buffalo to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
Explore the most affordable flight options available from Buffalo to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
This Expedia deal was found by Cheapflights users on 6/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am
BUF
- LHR
1 stop9h 45m
JetBlue
Tue 11/179:20 am
LHR
- BUF
1 stop16h 04m
JetBlue
Deal found 6/14![JetBlue logo]()
$803
This Orbitz deal was found by Cheapflights users on 6/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:35 am
BUF
- LHR
1 stop9h 10m
JetBlue
Wed 9/28:15 am
LHR
- BUF
1 stop15h 39m
JetBlue
Deal found 6/14![JetBlue logo]()
$823
This Expedia deal was found by Cheapflights users on 6/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:40 am
BUF
- LHR
2 stops21h 25m
Multiple Airlines
Tue 11/1712:20 pm
LHR
- BUF
1 stop11h 41m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$841
This Expedia deal was found by Cheapflights users on 6/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am
BUF
- LHR
1 stop9h 45m
JetBlue
Sun 11/158:15 am
LHR
- BUF
1 stop29h 12m
JetBlue
Deal found 6/14![JetBlue logo]()
$848
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:40 am
BUF
- LHR
2 stops16h 15m
SWISS
Tue 10/68:05 pm
LHR
- BUF
2 stops29h 42m
SWISS
Deal found 6/10![SWISS logo]()
$849
This Priceline deal was found by Cheapflights users on 6/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:34 am
BUF
- LHR
1 stop15h 16m
Multiple Airlines
Sun 11/158:15 am
LHR
- BUF
1 stop29h 12m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$852
This Expedia deal was found by Cheapflights users on 6/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:00 am
BUF
- LHR
1 stop19h 30m
JetBlue
Thu 7/98:15 am
LHR
- BUF
1 stop11h 44m
JetBlue
Deal found 6/12![JetBlue logo]()
$856
This Expedia deal was found by Cheapflights users on 6/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:35 am
BUF
- LHR
1 stop9h 10m
JetBlue
Fri 9/48:15 am
LHR
- BUF
1 stop11h 21m
JetBlue
Deal found 6/13![JetBlue logo]()
$863
This The Travel House deal was found by Cheapflights users on 6/12. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
BUF
- LHR
1 stop19h 30m
JetBlue
Fri 9/118:40 am
LHR
- BUF
1 stop31h 34m
JetBlue
Deal found 6/12![JetBlue logo]()
$866
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:56 pm
BUF
- LHR
1 stop10h 54m
Iberia
Tue 10/66:15 am
LHR
- BUF
2 stops21h 55m
Iberia
Deal found 6/10![Iberia logo]()
$871
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:09 pm
BUF
- LHR
2 stops17h 26m
Iberia
Tue 9/226:15 am
LHR
- BUF
2 stops20h 55m
Iberia
Deal found 6/10![Iberia logo]()
$880
Best flights from Buffalo to HeathrowDiscover carefully curated flight deals from Buffalo to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
Discover carefully curated flight deals from Buffalo to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
This JetBlue deal was found by Cheapflights users on 6/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:25 am
BUF
- LHR
1 stop15h 05m
JetBlue
Wed 12/169:20 am
LHR
- BUF
1 stop13h 04m
JetBlue
Deal found 6/13![JetBlue logo]()
$915
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:12 am
BUF
- LHR
1 stop19h 43m
United Airlines
Mon 8/246:50 am
LHR
- BUF
2 stops17h 10m
United Airlines
Deal found 6/11![United Airlines logo]()
$924
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:02 pm
BUF
- LHR
2 stops14h 13m
Delta
Sat 8/296:30 am
LHR
- BUF
2 stops16h 53m
Delta
Deal found 6/12![Delta logo]()
$931
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:15 am
BUF
- LHR
2 stops17h 20m
Scandinavian Airlines
Fri 9/187:30 pm
LHR
- BUF
3 stops28h 49m
Scandinavian Airlines
Deal found 6/10![Scandinavian Airlines logo]()
$966
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:55 am
BUF
- LHR
1 stop18h 50m
United Airlines
Fri 9/46:50 am
LHR
- BUF
2 stops15h 06m
United Airlines
Deal found 6/14![United Airlines logo]()
$925
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:02 pm
BUF
- LHR
2 stops15h 48m
Delta
Thu 8/208:40 am
LHR
- BUF
2 stops15h 39m
Delta
Deal found 6/10![Delta logo]()
$931
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
BUF
- LHR
1 stop9h 40m
United Airlines
Mon 12/147:40 am
LHR
- BUF
1 stop14h 07m
United Airlines
Deal found 6/13![United Airlines logo]()
$944
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:59 pm
BUF
- LHR
1 stop11h 06m
Delta
Fri 8/146:30 am
LHR
- BUF
2 stops17h 49m
Delta
Deal found 6/12![Delta logo]()
$977
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:52 pm
BUF
- LHR
2 stops13h 48m
United Airlines
Thu 8/206:50 am
LHR
- BUF
2 stops15h 06m
United Airlines
Deal found 6/14![United Airlines logo]()
$944
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:16 pm
BUF
- LHR
1 stop13h 59m
Delta
Fri 8/146:30 am
LHR
- BUF
2 stops17h 49m
Delta
Deal found 6/11![Delta logo]()
$977
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:00 am
BUF
- LHR
1 stop18h 45m
Delta
Wed 8/126:30 am
LHR
- BUF
2 stops17h 49m
Delta
Deal found 6/12![Delta logo]()
$977
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:00 am
BUF
- LHR
1 stop9h 40m
United Airlines
Thu 12/1712:05 pm
LHR
- BUF
1 stop11h 21m
United Airlines
Deal found 6/13![United Airlines logo]()
$977
Last-minute flights from Buffalo to HeathrowDiscover last-minute flight deals from Buffalo to Heathrow. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Heathrow. Data last updated June 15, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:00 am
BUF
- LHR
1 stop19h 30m
JetBlue
Thu 7/98:15 am
LHR
- BUF
1 stop11h 44m
JetBlue
Deal found 6/12![JetBlue logo]()
$856
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:55 pm
BUF
- LHR
1 stop12h 35m
JetBlue
Thu 8/208:15 am
LHR
- BUF
1 stop11h 42m
JetBlue
Deal found 6/10![JetBlue logo]()
$923
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:05 pm
BUF
- LHR
1 stop14h 10m
Delta
Sat 8/226:30 am
LHR
- BUF
2 stops17h 49m
Delta
Deal found 6/10![Delta logo]()
$926
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2211:41 am
BUF
- LHR
1 stop14h 29m
American Airlines
Sat 8/229:15 am
LHR
- BUF
1 stop13h 47m
American Airlines
Deal found 6/10![American Airlines logo]()
$929
This Air France deal was found by Cheapflights users on 6/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:36 pm
BUF
- LHR
1 stop12h 29m
Multiple Airlines
Sat 8/2211:45 am
LHR
- BUF
1 stop12h 34m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$948
This Travelocity deal was found by Cheapflights users on 6/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:55 pm
BUF
- LHR
1 stop12h 35m
JetBlue
Tue 8/118:40 am
LHR
- BUF
1 stop15h 33m
JetBlue
Deal found 6/12![JetBlue logo]()
$947
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:00 am
BUF
- LHR
1 stop19h 30m
JetBlue
Wed 8/128:40 am
LHR
- BUF
1 stop15h 44m
JetBlue
Deal found 6/10![JetBlue logo]()
$918
One-way flights from Buffalo to HeathrowSearch for one-way flight options from Buffalo to Heathrow. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
Search for one-way flight options from Buffalo to Heathrow. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:02 pm
BUF
- LHR
1 stop19h 43m
JetBlue
Deal found 6/10![JetBlue logo]()
$324
This Ovago deal was found by Cheapflights users on 6/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/179:15 am
BUF
- LHR
1 stop30h 30m
JetBlue
Deal found 6/14![JetBlue logo]()
$339
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
BUF
- LHR
1 stop19h 30m
JetBlue
Deal found 6/12![JetBlue logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Fri 7/172:48 pm
BUF
- LHR
3 stops40h 07m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Sun 8/2311:35 am
BUF
- LHR
3 stops43h 20m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$391
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/510:25 am
BUF
- LHR
1 stop15h 05m
JetBlue
Deal found 6/10![JetBlue logo]()
$393
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:54 pm
BUF
- LHR
2 stops16h 11m
Delta
Deal found 6/10![Delta logo]()
$394
This JetBlue deal was found by Cheapflights users on 6/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/264:02 pm
BUF
- LHR
1 stop12h 28m
JetBlue
Deal found 6/11![JetBlue logo]()
$399
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:48 pm
BUF
- LHR
2 stops13h 02m
Delta
Deal found 6/10![Delta logo]()
$403
This Expedia deal was found by Cheapflights users on 6/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:55 pm
BUF
- LHR
2 stops15h 00m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$432
This Justfly.com deal was found by Cheapflights users on 6/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:35 am
BUF
- LHR
2 stops21h 30m
Aer Lingus
Deal found 6/12![Aer Lingus logo]()
$437
Find flight deals from Buffalo to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Heathrow (LHR). 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 June 15, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $823 (Orbitz) |
One-way from | $324 (Cheapflightsfares) |
Popular in | June |
Cheapest in | September |
Average price | $1,144 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to Heathrow 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 June 15, 2026.
Use the filters below to find and compare flights from Buffalo to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BuffaloLondon
BUF - LHR
BUFLHR
Buffalo
Thu 8/27
10:25 am-6:30 am
1 stop15h 05m
London Heathrow
Wed 12/16
9:20 am-5:24 pm
1 stop13h 04m
$915
BuffaloLondon
BUF - LHR
BUFLHR
Buffalo
Sun 8/16
6:12 am-6:55 am
1 stop19h 43m
London Heathrow
Mon 8/24
6:50 am-7:00 pm
2 stops17h 10m
$924
BuffaloLondon
BUF - LHR
BUFLHR
Buffalo
Thu 8/27
6:55 am-6:45 am
1 stop18h 50m
London Heathrow
Fri 9/4
6:50 am-4:56 pm
2 stops15h 06m
$925
BuffaloLondon
BUF - LHR
BUFLHR
Buffalo
Sat 8/15
12:02 pm-7:15 am
2 stops14h 13m
London Heathrow
Sat 8/29
6:30 am-6:23 pm
2 stops16h 53m
$931
BuffaloLondon
BUF - LHR
BUFLHR
Buffalo
Wed 8/5
12:02 pm-8:50 am
2 stops15h 48m
London Heathrow
Thu 8/20
8:40 am-7:19 pm
2 stops15h 39m
$931
BuffaloLondon
BUF - LHR
BUFLHR
Buffalo
Tue 9/1
6:00 am-8:40 pm
1 stop9h 40m
London Heathrow
Mon 12/14
7:40 am-4:47 pm
1 stop14h 07m
$944
BuffaloLondon
BUF - LHR
BUFLHR
Buffalo
Sat 8/8
7:52 pm-2:40 pm
2 stops13h 48m
London Heathrow
Thu 8/20
6:50 am-4:56 pm
2 stops15h 06m
$944
BuffaloLondon
BUF - LHR
BUFLHR
Buffalo
Fri 9/11
11:15 am-9:35 am
2 stops17h 20m
London Heathrow
Fri 9/18
7:30 pm-7:19 pm
3 stops28h 49m
$966
BuffaloLondon
BUF - LHR
BUFLHR
Buffalo
Wed 8/5
7:59 pm-12:05 pm
1 stop11h 06m
London Heathrow
Fri 8/14
6:30 am-7:19 pm
2 stops17h 49m
$977
BuffaloLondon
BUF - LHR
BUFLHR
Buffalo
Thu 8/6
12:16 pm-7:15 am
1 stop13h 59m
London Heathrow
Fri 8/14
6:30 am-7:19 pm
2 stops17h 49m
$977
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Buffalo to Heathrow
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Heathrow in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Buffalo-London Heathrow Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Buffalo-London Heathrow Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Buffalo-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-London Heathrow Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Buffalo to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Buffalo with our price prediction graph.
BUF-LHR
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 Buffalo to London Heathrow Airport
How far ahead should I book a flight from Buffalo to London Heathrow Airport?
To ensure you get the cheapest price possible for a flight from Buffalo to London Heathrow Airport, you should look to book at least 26 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Buffalo to London Heathrow Airport?
Currently, September is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of $632). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of $1,144). 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.
How much does it cost to fly round-trip from Buffalo to London Heathrow Airport?
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated June 15, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Buffalo to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
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Complete your trip
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Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
Buffalo and Heathrow flights
Browse other Buffalo and Heathrow flight options. Last updated on June 15, 2026.
Other flights from Buffalo
Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Buffalo to Heathrow
Discover the top 7 airlines that operate flights from Buffalo to Heathrow. 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 June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$380 | Average$729 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$451 | Average$852 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$522 | Average$777 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$534 | Average$696 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$540 | Average$854 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$640 | Average$725 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$775 | Average$932 | FlexibilityNo cancel fee | On-timeN/A |