$290+ Cheap flights from Buffalo (BUF) to Heathrow (LHR)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
Nov 26 — Dec 31
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to Heathrow 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.Cheap flight deals from Buffalo to Heathrow
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Best
Last-minute
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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 October 27, 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 October 27, 2026.
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Mon 11/162:55 pm -
1 stop14h 55m
Wed 11/186:50 am -
2 stops18h 19m
Deal found 10/22![United Airlines logo]()
$767
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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.
Tue 11/101:53 pm -
2 stops22h 57m
Tue 11/176:00 am -
2 stops19h 36m
Deal found 10/25![SWISS logo]()
$807
This Expedia deal was found by Cheapflights users on 10/27. 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 11/103:48 pm -
1 stop12h 42m
Tue 11/177:25 am -
1 stop12h 32m
Deal found 10/27![JetBlue logo]()
$824
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:08 pm -
1 stop27h 47m
Sun 11/157:45 am -
1 stop29h 22m
Deal found 10/25![JetBlue logo]()
$826
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 11/2712:50 pm -
1 stop15h 40m
Tue 12/87:25 am -
1 stop21h 34m
Deal found 10/27![JetBlue logo]()
$829
This Justfly.com deal was found by Cheapflights users on 10/25. 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.
Sat 11/712:08 pm -
1 stop16h 22m
Sat 11/1412:20 pm -
1 stop11h 41m
Deal found 10/25![JetBlue logo]()
$830
This Justfly.com deal was found by Cheapflights users on 10/22. 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.
Sat 10/242:54 pm -
1 stop12h 01m
Sat 10/319:20 am -
1 stop32h 59m
Deal found 10/22![JetBlue logo]()
$833
This Cheapflightsfares deal was found by Cheapflights users on 10/23. 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 11/47:59 pm -
1 stop20h 41m
Tue 11/107:25 am -
1 stop12h 32m
Deal found 10/23![JetBlue logo]()
$834
This JetBlue deal was found by Cheapflights users on 10/26. 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.
Mon 11/1612:08 pm -
1 stop16h 22m
Wed 11/187:25 am -
1 stop16h 36m
Deal found 10/26![JetBlue logo]()
$835
This Justfly.com deal was found by Cheapflights users on 10/27. 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.
Thu 12/311:30 am -
1 stop14h 25m
Fri 12/118:05 am -
1 stop12h 49m
Deal found 10/27![JetBlue logo]()
$837
This Justfly.com deal was found by Cheapflights users on 10/23. 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.
Thu 12/319:00 am -
1 stop16h 55m
Sun 1/177:45 am -
1 stop20h 53m
Deal found 10/23![JetBlue logo]()
$840
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 October 27, 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 October 27, 2026.
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 11/162:55 pm -
1 stop14h 55m
Wed 11/186:50 am -
2 stops18h 19m
Deal found 10/26![United Airlines logo]()
$772
This Delta deal was found by Cheapflights users on 10/24. 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 12/123:20 pm -
2 stops14h 10m
Wed 1/136:30 am -
2 stops17h 49m
Deal found 10/24![Delta logo]()
$903
This United Airlines deal was found by Cheapflights users on 10/24. 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 2/65:46 am -
1 stop10h 34m
Wed 2/106:50 am -
2 stops14h 51m
Deal found 10/24![United Airlines logo]()
$874
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/138:55 pm -
1 stop19h 25m
Tue 11/179:00 am -
2 stops16h 36m
Deal found 10/27![United Airlines logo]()
$875
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/276:30 am -
1 stop20h 25m
Mon 12/77:30 am -
2 stops15h 40m
Deal found 10/25![United Airlines logo]()
$882
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/272:55 pm -
1 stop14h 55m
Tue 12/89:30 am -
2 stops15h 54m
Deal found 10/26![United Airlines logo]()
$882
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/811:23 am -
1 stop16h 02m
Mon 12/149:00 am -
2 stops40h 24m
Deal found 10/26![United Airlines logo]()
$883
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Wed 4/1411:40 am -
2 stops14h 15m
Tue 4/207:25 am -
2 stops16h 01m
Deal found 10/24![United Airlines logo]()
$891
Last-minute flights from Buffalo to HeathrowDiscover last-minute flight deals from Buffalo to Heathrow. Data last updated October 27, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Heathrow. Data last updated October 27, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/23. 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 11/47:59 pm -
1 stop20h 41m
Tue 11/107:25 am -
1 stop12h 32m
Deal found 10/23![JetBlue logo]()
$834
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:08 pm -
1 stop27h 47m
Sun 11/157:45 am -
1 stop29h 22m
Deal found 10/25![JetBlue logo]()
$826
This Justfly.com deal was found by Cheapflights users on 10/25. 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.
Sat 11/712:08 pm -
1 stop16h 22m
Sat 11/1412:20 pm -
1 stop11h 41m
Deal found 10/25![JetBlue logo]()
$830
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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.
Tue 11/101:53 pm -
2 stops22h 57m
Tue 11/176:00 am -
2 stops19h 36m
Deal found 10/25![SWISS logo]()
$807
This Expedia deal was found by Cheapflights users on 10/27. 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 11/103:48 pm -
1 stop12h 42m
Tue 11/177:25 am -
1 stop12h 32m
Deal found 10/27![JetBlue logo]()
$824
This FlightHub deal was found by Cheapflights users on 10/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:09 pm -
1 stop11h 46m
Sat 11/149:20 am -
1 stop16h 16m
Deal found 10/24![JetBlue logo]()
$840
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Mon 11/162:55 pm -
1 stop14h 55m
Wed 11/186:50 am -
2 stops18h 19m
Deal found 10/22![United Airlines logo]()
$767
This JetBlue deal was found by Cheapflights users on 10/26. 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.
Mon 11/1612:08 pm -
1 stop16h 22m
Wed 11/187:25 am -
1 stop16h 36m
Deal found 10/26![JetBlue logo]()
$835
This Cheapflightsfares deal was found by Cheapflights users on 10/23. 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 11/276:00 am -
1 stop9h 55m
Mon 12/78:05 am -
1 stop12h 49m
Deal found 10/23![JetBlue logo]()
$829
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 October 27, 2026.
Search for one-way flight options from Buffalo to Heathrow. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 11/132:09 pm -
1 stop11h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![JetBlue logo]()
$290
This oojo deal was found by Cheapflights users on 10/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2412:50 pm -
1 stop27h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![JetBlue logo]()
$292
This Cheapflightsfares deal was found by Cheapflights users on 10/23. 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.
Mon 11/236:00 am -
1 stop10h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![JetBlue logo]()
$293
This Expedia deal was found by Cheapflights users on 10/26. 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 12/106:45 am -
1 stop9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![JetBlue logo]()
$295
This JetBlue deal was found by Cheapflights users on 10/27. 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.
Mon 11/3012:50 pm -
1 stop15h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![JetBlue logo]()
$299
This Cheapflightsfares deal was found by Cheapflights users on 10/24. 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 3/126:00 am -
1 stop9h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![JetBlue logo]()
$320
This Justfly.com deal was found by Cheapflights users on 10/23. 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.
Tue 11/246:30 am -
2 stops19h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Air Canada logo]()
$334
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/292:55 pm -
1 stop14h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/117:00 am -
1 stop18h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$347
This Expedia deal was found by Cheapflights users on 10/27. 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 1/114:13 pm -
2 stops18h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Iberia logo]()
$350
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:08 pm -
1 stop16h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![JetBlue logo]()
$370
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 October 27, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $760 (United Airlines) |
One-way from | $290 (Cheapflightsfares) |
Popular in | June |
Cheapest in | February |
Average price | $901 |
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 7,457,451 searches. Data last updated October 27, 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 Buffalo - LHR London Heathrow
BUFLHR
Buffalo
Tue 11/24
12:50 pm-9:40 pm
1 stop27h 50m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$292
Quickest round-trip
BuffaloLondon
BUF Buffalo - LHR London Heathrow
BUFLHR
Buffalo
Thu 12/10
6:45 am-9:40 pm
1 stop9h 55m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$295
BuffaloLondon
BUF Buffalo - LHR London Heathrow
BUFLHR
Buffalo
Tue 12/8
2:10 pm-6:55 am
1 stop11h 45m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$299
BuffaloLondon
BUF Buffalo - LHR London Heathrow
BUFLHR
Buffalo
Mon 11/30
12:50 pm-9:30 am
1 stop15h 40m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$299
BuffaloLondon
BUF Buffalo - LHR London Heathrow
BUFLHR
Buffalo
Thu 12/10
10:00 am-7:50 am
2 stops16h 50m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$334
BuffaloLondon
BUF Buffalo - LHR London Heathrow
BUFLHR
Buffalo
Tue 11/24
6:30 am-7:10 am
2 stops19h 40m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$334
BuffaloLondon
BUF Buffalo - LHR London Heathrow
BUFLHR
Buffalo
Tue 12/1
10:00 am-9:10 am
2 stops18h 10m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$343
BuffaloLondon
BUF Buffalo - LHR London Heathrow
BUFLHR
Buffalo
Fri 11/13
10:35 am-7:55 am
2 stops16h 20m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$347
BuffaloLondon
BUF Buffalo - LHR London Heathrow
BUFLHR
Buffalo
Thu 12/10
6:00 am-5:55 am
2 stops18h 55m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$347
BuffaloLondon
BUF Buffalo - LHR London Heathrow
BUFLHR
Buffalo
Fri 12/11
10:00 am-5:55 am
2 stops14h 55m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$347
Showing 1-10 of 19 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 October.
| 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 Accuracy2 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
What is the cheapest month to book a flight from Buffalo to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of $658). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of $1,328). 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?
Airfare is below average for this route at the moment.
Buffalo to London Heathrow Airport flights typically cost between $900 and $2,200 in March.The cheapest round-trip price found within the last 5 days was $760 on United Airlines (Mar 1-Mar 4).
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 October 27, 2026.
See what other customers who have flown with KLM,Delta, andUnited 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
7.8
Entertainment
7.2
Food
7.4
Comfort
7.7
Crew
8.4
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Food
7.4
Comfort
7.7
Crew
8.4
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Food
7.4
Comfort
7.7
Crew
8.4
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Food
7.4
Comfort
7.7
Crew
8.4
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Food
7.4
Comfort
7.7
Crew
8.4
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Food
7.4
Comfort
7.7
Crew
8.4
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
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Top 6 airlines flying from Buffalo to Heathrow
Discover the top 6 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 7,457,451 searches. Data last updated October 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$380 | Average$729 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$472 | Average$1,110 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$707 | Average$922 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$724 | Average$1,107 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$756 | Average$876 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$890 | Average$1,252 | FlexibilityNo cancel fee | On-timeN/A |