$301+ Cheap flights from Maine to London (LON)
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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Maine to London 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
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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 Maine to London
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Cheapest flights from Maine to LondonExplore the most affordable flight options available from Maine to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Maine to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 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.
Tue 11/109:46 am -
1 stop20h 04m
Thu 11/129:00 am -
2 stops19h 21m
Deal found 10/26![United Airlines logo]()
$767
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/163:41 pm -
2 stops19h 39m
Wed 11/189:00 am -
2 stops43h 21m
Deal found 10/28![United Airlines logo]()
$771
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.
Mon 11/1611:00 am -
1 stop16h 25m
Wed 11/186:50 am -
2 stops32h 29m
Deal found 10/25![United Airlines logo]()
$772
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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.
Sat 11/76:30 am -
1 stop10h 10m
Sat 11/1412:20 pm -
1 stop16h 23m
Deal found 10/29![JetBlue logo]()
$775
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:46 am -
2 stops16h 24m
Thu 11/126:00 am -
3 stops22h 21m
Deal found 10/26![Multiple Airlines logo]()
$778
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:49 am -
3 stops17h 21m
Thu 11/126:00 am -
3 stops22h 21m
Deal found 10/26![Air Canada logo]()
$786
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:30 am -
1 stop10h 10m
Thu 11/1212:20 pm -
1 stop16h 23m
Deal found 10/26![JetBlue logo]()
$830
This JetBlue deal was found by Cheapflights users on 10/29. 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 11/126:30 am -
1 stop10h 10m
Tue 11/1712:20 pm -
1 stop16h 23m
Deal found 10/29![JetBlue logo]()
$833
This JetBlue deal was found by Cheapflights users on 10/29. 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 11/166:30 am -
1 stop10h 10m
Wed 11/1812:20 pm -
1 stop16h 23m
Deal found 10/29![JetBlue logo]()
$834
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:10 pm -
1 stop10h 10m
Tue 11/311:45 am -
2 stops33h 37m
Deal found 10/26![Delta logo]()
$866
This KLM deal was found by Cheapflights users on 10/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:45 pm -
1 stop13h 45m
Tue 11/175:05 pm -
2 stops27h 00m
Deal found 10/29![KLM logo]()
$875
This Air France deal was found by Cheapflights users on 10/29. 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.
Thu 11/123:45 pm -
2 stops14h 55m
Tue 11/178:25 pm -
2 stops23h 40m
Deal found 10/29![Multiple Airlines logo]()
$880
Best flights from Maine to LondonDiscover carefully curated flight deals from Maine to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Maine to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
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.
Mon 11/1611:00 am -
2 stops40h 05m
Wed 11/186:00 pm -
2 stops45h 19m
Deal found 10/25![United Airlines logo]()
$774
This Air France deal was found by Cheapflights users on 10/29. 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.
Fri 11/133:45 pm -
1 stop13h 45m
Tue 11/178:25 pm -
2 stops23h 40m
Deal found 10/29![Multiple Airlines logo]()
$875
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/912:49 pm -
2 stops16h 41m
Wed 12/1611:45 am -
2 stops17h 36m
Deal found 10/25![Delta logo]()
$881
This KLM deal was found by Cheapflights users on 10/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:45 pm -
2 stops17h 40m
Wed 11/188:25 pm -
2 stops23h 40m
Deal found 10/29![KLM logo]()
$883
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.
Sun 11/159:46 am -
1 stop15h 54m
Mon 11/239:00 am -
2 stops19h 21m
Deal found 10/26![United Airlines logo]()
$870
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/116:00 am -
1 stop19h 20m
Wed 2/176:30 am -
2 stops20h 31m
Deal found 10/25![Delta logo]()
$887
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/316:00 am -
2 stops20h 40m
Wed 4/79:55 am -
2 stops17h 06m
Deal found 10/25![KLM logo]()
$889
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/135:08 pm -
1 stop13h 52m
Tue 11/1712:05 pm -
2 stops16h 16m
Deal found 10/29![United Airlines logo]()
$874
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/316:00 am -
1 stop19h 55m
Tue 4/66:30 am -
2 stops20h 31m
Deal found 10/25![Delta logo]()
$892
This KLM deal was found by Cheapflights users on 10/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/113:10 pm -
1 stop11h 55m
Fri 1/158:55 am -
1 stop19h 31m
Deal found 10/30![KLM logo]()
$919
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/158:47 am -
1 stop18h 08m
Thu 11/199:00 am -
2 stops19h 21m
Deal found 10/30![United Airlines logo]()
$874
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/46:00 am -
2 stops20h 30m
Thu 4/86:30 am -
2 stops20h 31m
Deal found 10/25![Delta logo]()
$896
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/124:09 pm -
2 stops14h 16m
Sat 12/1910:00 am -
2 stops14h 30m
Deal found 10/28![Multiple Airlines logo]()
$1,090
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.
Wed 11/255:50 am -
2 stops20h 20m
Sat 12/1212:05 pm -
2 stops16h 19m
Deal found 10/27![United Airlines logo]()
$878
This Delta deal was found by Cheapflights users on 10/29. 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 12/266:00 am -
1 stop19h 20m
Mon 1/116:30 am -
2 stops21h 56m
Deal found 10/29![Delta logo]()
$903
This United Airlines deal was found by Cheapflights users on 10/30. 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 1/117:50 pm -
1 stop20h 30m
Fri 1/156:50 am -
2 stops19h 13m
Deal found 10/30![United Airlines logo]()
$886
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/281:20 pm -
1 stop25h 50m
Mon 1/113:50 pm -
1 stop13h 05m
Deal found 10/26![Delta logo]()
$916
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.
Wed 1/2711:25 am -
1 stop18h 00m
Wed 2/312:05 pm -
2 stops51h 39m
Deal found 10/27![United Airlines logo]()
$890
This Delta deal was found by Cheapflights users on 10/29. 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 12/246:35 am -
2 stops25h 00m
Tue 1/128:40 am -
2 stops20h 15m
Deal found 10/29![Delta logo]()
$918
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.
Wed 12/99:12 am -
2 stops16h 58m
Wed 12/164:20 pm -
1 stop12h 38m
Deal found 10/25![United Airlines logo]()
$909
This Delta deal was found by Cheapflights users on 10/29. 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 12/261:20 pm -
1 stop12h 00m
Tue 1/128:55 am -
1 stop19h 31m
Deal found 10/29![Delta logo]()
$935
Last-minute flights from Maine to LondonDiscover last-minute flight deals from Maine to London. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to London. Data last updated October 30, 2026 and is based on user searches.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:10 pm -
1 stop10h 10m
Tue 11/311:45 am -
2 stops33h 37m
Deal found 10/26![Delta logo]()
$866
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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.
Sat 11/76:30 am -
1 stop10h 10m
Sat 11/1412:20 pm -
1 stop16h 23m
Deal found 10/29![JetBlue logo]()
$775
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 11/109:46 am -
1 stop20h 04m
Thu 11/129:00 am -
2 stops19h 21m
Deal found 10/26![United Airlines logo]()
$767
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:46 am -
2 stops16h 24m
Thu 11/126:00 am -
3 stops22h 21m
Deal found 10/26![Multiple Airlines logo]()
$778
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:49 am -
3 stops17h 21m
Thu 11/126:00 am -
3 stops22h 21m
Deal found 10/26![Air Canada logo]()
$786
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:30 am -
1 stop10h 10m
Thu 11/1212:20 pm -
1 stop16h 23m
Deal found 10/26![JetBlue logo]()
$830
This JetBlue deal was found by Cheapflights users on 10/29. 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 11/126:30 am -
1 stop10h 10m
Tue 11/1712:20 pm -
1 stop16h 23m
Deal found 10/29![JetBlue logo]()
$833
This KLM deal was found by Cheapflights users on 10/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:45 pm -
1 stop13h 45m
Tue 11/175:05 pm -
2 stops27h 00m
Deal found 10/29![KLM logo]()
$875
This Air France deal was found by Cheapflights users on 10/29. 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.
Thu 11/123:45 pm -
2 stops14h 55m
Tue 11/178:25 pm -
2 stops23h 40m
Deal found 10/29![Multiple Airlines logo]()
$880
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/163:41 pm -
2 stops19h 39m
Wed 11/189:00 am -
2 stops43h 21m
Deal found 10/28![United Airlines logo]()
$771
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.
Mon 11/1611:00 am -
1 stop16h 25m
Wed 11/186:50 am -
2 stops32h 29m
Deal found 10/25![United Airlines logo]()
$772
This JetBlue deal was found by Cheapflights users on 10/29. 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 11/166:30 am -
1 stop10h 10m
Wed 11/1812:20 pm -
1 stop16h 23m
Deal found 10/29![JetBlue logo]()
$834
One-way flights from Maine to LondonSearch for one-way flight options from Maine to London. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Maine to London. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 11/156:30 am -
1 stop22h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![JetBlue logo]()
$301
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 3/155:51 pm -
2 stops14h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 10/29. 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 3/265:45 am -
2 stops20h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 10/29. 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 3/316:30 am -
2 stops21h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![United Airlines logo]()
$334
This Air Canada deal was found by Cheapflights users on 10/29. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/266:00 am -
3 stops20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Air Canada logo]()
$346
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/2310:50 am -
1 stop17h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![United Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 10/28. 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 12/123:45 pm -
1 stop10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Delta logo]()
$347
This Air Canada deal was found by Cheapflights users on 10/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:49 am -
3 stops16h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Air Canada logo]()
$355
This Delta deal was found by Cheapflights users on 10/28. 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 11/293:45 pm -
2 stops17h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Delta logo]()
$355
This Expedia deal was found by Cheapflights users on 10/29. 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 12/227:44 pm -
2 stops53h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Air Canada logo]()
$476
This Air Canada deal was found by Cheapflights users on 10/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:49 am -
3 stops17h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Air Canada logo]()
$578
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/2911:00 am -
3 stops42h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$594
Find flight deals from Maine to London
Keep the following information in mind while searching for Maine to London flight deals. Data was last updated October 30, 2026.
Round-trip from | $757 (United Airlines) |
|---|---|
One-way from | $301 (Cheapflightsfares) |
Popular in | July |
Cheapest in | February |
Average price | $938 |
Cheapflights Fare Finder
Customize your flight search to find flights from Maine 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 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Maine to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandLondon
PWM Portland - LHR London Heathrow
PWMLHR
Portland
Sun 11/15
6:30 am-9:30 am
1 stop22h 00m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$301
PortlandLondon
PWM Portland - LHR London Heathrow
PWMLHR
Portland
Fri 3/26
6:00 am-9:20 pm
1 stop11h 20m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$334
BangorLondon
BGR Bangor - LHR London Heathrow
BGRLHR
Bangor
Wed 3/31
6:00 am-7:25 am
1 stop20h 25m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$334
Quickest round-trip
BangorLondon
BGR Bangor - LHR London Heathrow
BGRLHR
Bangor
Mon 3/15
5:51 pm-7:50 am
1 stop9h 59m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$334
BangorLondon
BGR Bangor - LHR London Heathrow
BGRLHR
Bangor
Wed 3/31
6:30 am-8:30 am
2 stops21h 00m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$334
PortlandLondon
PWM Portland - LHR London Heathrow
PWMLHR
Portland
Mon 11/23
2:05 pm-9:00 am
1 stop13h 55m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$347
PortlandLondon
PWM Portland - LHR London Heathrow
PWMLHR
Portland
Mon 11/23
5:30 am-5:55 am
2 stops19h 25m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$347
BangorLondon
BGR Bangor - LHR London Heathrow
BGRLHR
Bangor
Mon 11/16
11:00 am-8:05 am
2 stops40h 05m
London Heathrow
Wed 11/18
6:00 pm-10:19 am
2 stops45h 19m
$774
PortlandLondon
PWM Portland - LHR London Heathrow
PWMLHR
Portland
Sun 11/15
9:46 am-6:40 am
1 stop15h 54m
London Heathrow
Mon 11/23
9:00 am-11:21 pm
2 stops19h 21m
$870
PortlandLondon
PWM Portland - LHR London Heathrow
PWMLHR
Portland
Fri 11/13
5:08 pm-12:00 pm
1 stop13h 52m
London Heathrow
Tue 11/17
12:05 pm-11:21 pm
2 stops16h 16m
$874
Showing 1-10 of 28 resultsSorted by cheapest first
Best time to book a flight from Maine to London
Have a flexible travel schedule? Discover the best time to fly to London from Maine with our price prediction graph.
PWM-LHR
BGR-LHR
RKD-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 Maine to London
USME-LON
PWM-LHR
BGR-LHR
RKD-LHR
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Maine to London. 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?
Book flights to London if you plan to visit one of these locationsIlford
Dorking
Gatwick
Hounslow
Wembley
Harrow
Southend-on-Sea
Basingstoke
Watford
Dartford
Winchester
Croydon
Kingston upon Thames
Chipping Norton
Slough
Eastbourne
Stansted
Sutton
Luton
Bedford
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Maine to London
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Complete your trip
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Search flights from Maine to London by cabin class
Find flights from Maine to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to London
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Maine and London flights
Browse other Maine and London flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Maine to London flights
Consider these flights traveling from Maine to London.
Top 2 airlines flying from Maine to London
Discover the top 2 airlines that operate flights from Maine 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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$752 | Average$1,192 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$757 | Average$1,197 | FlexibilityNo cancel fee | On-time71% |