$330+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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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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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 November 10, 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 November 10, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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 11/126:30 am -
1 stop10h 10m
Wed 11/1812:20 pm -
1 stop16h 23m
Deal found 11/5![JetBlue logo]()
$845
This Justfly.com deal was found by Cheapflights users on 11/9. 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 12/16:00 am -
2 stops34h 00m
Wed 12/99:00 am -
2 stops41h 12m
Deal found 11/9![Air Canada logo]()
$852
This Expedia deal was found by Cheapflights users on 11/9. 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 12/112:49 pm -
1 stop13h 56m
Wed 12/911:45 am -
2 stops17h 36m
Deal found 11/9![KLM logo]()
$862
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/125:50 am -
1 stop9h 45m
Wed 11/189:00 am -
2 stops19h 21m
Deal found 11/5![United Airlines logo]()
$875
This United Airlines deal was found by Cheapflights users on 11/7. 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 12/56:00 am -
1 stop19h 20m
Sat 12/1212:05 pm -
2 stops16h 19m
Deal found 11/7![United Airlines logo]()
$876
This Delta deal was found by Cheapflights users on 11/6. 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 12/44:00 pm -
1 stop10h 15m
Fri 12/1110:00 am -
2 stops18h 52m
Deal found 11/6![Delta logo]()
$877
This KLM deal was found by Cheapflights users on 11/5. 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.
Sat 12/53:45 pm -
1 stop13h 45m
Sat 12/124:25 pm -
2 stops27h 40m
Deal found 11/5![KLM logo]()
$877
This United Airlines deal was found by Cheapflights users on 11/8. 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 11/155:50 am -
2 stops20h 20m
Thu 11/199:00 am -
2 stops19h 21m
Deal found 11/8![United Airlines logo]()
$880
This United Airlines deal was found by Cheapflights users on 11/8. 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 11/172:05 pm -
2 stops14h 05m
Mon 11/2312:05 pm -
2 stops16h 16m
Deal found 11/8![United Airlines logo]()
$881
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/1211:00 am -
1 stop14h 20m
Wed 11/189:00 am -
2 stops30h 19m
Deal found 11/5![United Airlines logo]()
$881
This Delta deal was found by Cheapflights users on 11/9. 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 12/412:49 pm -
2 stops16h 41m
Tue 12/810:00 am -
2 stops18h 33m
Deal found 11/9![Delta logo]()
$882
This Air France deal was found by Cheapflights users on 11/8. 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 11/183:45 pm -
2 stops13h 45m
Wed 12/28:25 pm -
2 stops23h 40m
Deal found 11/8![Multiple Airlines logo]()
$882
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 November 10, 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 November 10, 2026.
This United Airlines deal was found by Cheapflights users on 11/7. 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 2/233:14 pm -
1 stop14h 11m
Thu 2/256:50 am -
2 stops21h 35m
Deal found 11/7![United Airlines logo]()
$763
This Delta deal was found by Cheapflights users on 11/6. 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 12/64:00 pm -
1 stop11h 05m
Sun 12/138:40 am -
2 stops20h 41m
Deal found 11/6![Delta logo]()
$877
This Scandinavian Airlines deal was found by Cheapflights users on 11/5. 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.
Tue 2/26:00 am -
3 stops22h 20m
Tue 2/96:40 am -
3 stops21h 46m
Deal found 11/5![Multiple Airlines logo]()
$1,090
This United Airlines deal was found by Cheapflights users on 11/5. 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 2/1511:25 am -
2 stops39h 40m
Thu 2/186:50 am -
2 stops32h 54m
Deal found 11/5![United Airlines logo]()
$770
This Delta deal was found by Cheapflights users on 11/6. 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 12/412:49 pm -
2 stops16h 41m
Fri 12/118:40 am -
2 stops20h 41m
Deal found 11/6![Delta logo]()
$882
This United Airlines deal was found by Cheapflights users on 11/7. 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 12/56:00 am -
1 stop19h 20m
Sat 12/1212:05 pm -
2 stops16h 19m
Deal found 11/7![United Airlines logo]()
$876
This Delta deal was found by Cheapflights users on 11/9. 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 12/412:49 pm -
2 stops16h 41m
Tue 12/810:00 am -
2 stops18h 33m
Deal found 11/9![Delta logo]()
$882
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/311:23 am -
1 stop28h 57m
Thu 12/1012:05 pm -
2 stops27h 34m
Deal found 11/4![United Airlines logo]()
$886
This Delta deal was found by Cheapflights users on 11/5. 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 3/182:35 pm -
2 stops15h 55m
Tue 3/236:30 am -
2 stops21h 19m
Deal found 11/5![Delta logo]()
$893
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/86:00 am -
1 stop10h 20m
Fri 12/111:00 pm -
2 stops35h 25m
Deal found 11/6![United Airlines logo]()
$887
This Delta deal was found by Cheapflights users on 11/8. 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 1/216:00 am -
2 stops20h 55m
Wed 1/276:30 am -
2 stops21h 56m
Deal found 11/8![Delta logo]()
$895
This United Airlines deal was found by Cheapflights users on 11/9. 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 2/1411:25 am -
1 stop16h 00m
Wed 2/2412:05 pm -
2 stops27h 39m
Deal found 11/9![United Airlines logo]()
$894
This Delta deal was found by Cheapflights users on 11/8. 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.
Tue 1/126:00 am -
2 stops23h 30m
Tue 1/198:40 am -
2 stops19h 00m
Deal found 11/8![Delta logo]()
$895
This United Airlines deal was found by Cheapflights users on 11/8. 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 3/2311:20 am -
2 stops15h 20m
Tue 3/307:30 am -
2 stops14h 34m
Deal found 11/8![United Airlines logo]()
$900
This Delta deal was found by Cheapflights users on 11/6. 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.
Tue 12/812:49 pm -
2 stops14h 16m
Fri 12/1110:00 am -
2 stops18h 52m
Deal found 11/6![Delta logo]()
$907
This BusinessClass deal was found by Cheapflights users on 11/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2112:01 pm -
2 stops14h 49m
Mon 12/287:50 am -
2 stops16h 40m
Deal found 11/6![Multiple Airlines logo]()
$1,545
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/42:15 pm -
1 stop11h 25m
Tue 12/89:10 am -
1 stop15h 15m
Deal found 11/9![United Airlines logo]()
$907
This Delta deal was found by Cheapflights users on 11/5. 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 4/86:00 am -
1 stop19h 20m
Tue 4/136:30 am -
2 stops20h 31m
Deal found 11/5![Delta logo]()
$942
This United Airlines deal was found by Cheapflights users on 11/5. 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 2/211:30 am -
1 stop13h 50m
Tue 2/96:00 pm -
1 stop21h 44m
Deal found 11/5![United Airlines logo]()
$924
This United Airlines deal was found by Cheapflights users on 11/8. 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 1/1211:30 am -
1 stop17h 55m
Tue 1/196:00 pm -
1 stop21h 44m
Deal found 11/8![United Airlines logo]()
$925
This United Airlines deal was found by Cheapflights users on 11/5. 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 4/88:00 am -
2 stops18h 25m
Tue 4/136:50 am -
2 stops20h 14m
Deal found 11/5![United Airlines logo]()
$943
Last-minute flights from Maine to LondonDiscover last-minute flight deals from Maine to London. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to London. Data last updated November 10, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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 11/126:30 am -
1 stop10h 10m
Wed 11/1812:20 pm -
1 stop16h 23m
Deal found 11/5![JetBlue logo]()
$845
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/125:50 am -
1 stop9h 45m
Wed 11/189:00 am -
2 stops19h 21m
Deal found 11/5![United Airlines logo]()
$875
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/1211:00 am -
1 stop14h 20m
Wed 11/189:00 am -
2 stops30h 19m
Deal found 11/5![United Airlines logo]()
$881
This United Airlines deal was found by Cheapflights users on 11/8. 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 11/155:50 am -
2 stops20h 20m
Thu 11/199:00 am -
2 stops19h 21m
Deal found 11/8![United Airlines logo]()
$880
This United Airlines deal was found by Cheapflights users on 11/8. 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 11/172:05 pm -
2 stops14h 05m
Mon 11/2312:05 pm -
2 stops16h 16m
Deal found 11/8![United Airlines logo]()
$881
This Air France deal was found by Cheapflights users on 11/8. 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 11/183:45 pm -
2 stops13h 45m
Wed 12/28:25 pm -
2 stops23h 40m
Deal found 11/8![Multiple Airlines logo]()
$882
This Justfly.com deal was found by Cheapflights users on 11/9. 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 12/16:00 am -
2 stops34h 00m
Wed 12/99:00 am -
2 stops41h 12m
Deal found 11/9![Air Canada logo]()
$852
This Expedia deal was found by Cheapflights users on 11/9. 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 12/112:49 pm -
1 stop13h 56m
Wed 12/911:45 am -
2 stops17h 36m
Deal found 11/9![KLM logo]()
$862
This Delta deal was found by Cheapflights users on 11/6. 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 12/44:00 pm -
1 stop10h 15m
Fri 12/1110:00 am -
2 stops18h 52m
Deal found 11/6![Delta logo]()
$877
This Delta deal was found by Cheapflights users on 11/9. 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 12/412:49 pm -
2 stops16h 41m
Tue 12/810:00 am -
2 stops18h 33m
Deal found 11/9![Delta logo]()
$882
This United Airlines deal was found by Cheapflights users on 11/7. 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 12/56:00 am -
1 stop19h 20m
Sat 12/1212:05 pm -
2 stops16h 19m
Deal found 11/7![United Airlines logo]()
$876
This KLM deal was found by Cheapflights users on 11/5. 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.
Sat 12/53:45 pm -
1 stop13h 45m
Sat 12/124:25 pm -
2 stops27h 40m
Deal found 11/5![KLM logo]()
$877
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 November 10, 2026.
Search for one-way flight options from Maine to London. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This United Airlines deal was found by Cheapflights users on 11/5. 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 3/316:00 am -
1 stop10h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![United Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 11/5. 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 11/5![American Airlines logo]()
$333
This Virgin Atlantic deal was found by Cheapflights users on 11/6. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/106:00 am -
1 stop19h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Virgin Atlantic logo]()
$334
This Delta deal was found by Cheapflights users on 11/5. 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 stop20h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Delta logo]()
$334
This Air Canada deal was found by Cheapflights users on 11/5. 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.
Wed 3/319:10 am -
3 stops16h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Air Canada logo]()
$342
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/235:30 am -
2 stops19h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![United Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 11/8. 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 11/2611:00 am -
1 stop17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![United Airlines logo]()
$347
This Justfly.com deal was found by Cheapflights users on 11/9. 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.
Fri 11/276:00 am -
2 stops20h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Air Canada logo]()
$349
This Air Canada deal was found by Cheapflights users on 11/5. 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 11/5![Air Canada logo]()
$356
This British Airways deal was found by Cheapflights users on 11/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/16:00 am -
1 stop23h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$359
This Cheapflightsfares deal was found by Cheapflights users on 11/9. 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 11/176:30 am -
1 stop10h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![JetBlue logo]()
$367
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 4/166:01 pm -
1 stop12h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![American Airlines logo]()
$384
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 November 10, 2026.
Round-trip from | $763 (United Airlines) |
|---|---|
One-way from | $330 (United Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $864 |
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 November 10, 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
Wed 3/31
6:00 am-9:25 pm
1 stop10h 25m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$330
PortlandLondon
PWM Portland - LHR London Heathrow
PWMLHR
Portland
Wed 3/10
6:00 am-6:25 am
1 stop19h 25m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$334
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
6:00 am-7:25 am
1 stop20h 25m
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
BangorLondon
BGR Bangor - LHR London Heathrow
BGRLHR
Bangor
Thu 11/26
6:23 am-6:40 am
2 stops19h 17m
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
Thu 11/26
11:00 am-9:10 am
1 stop17h 10m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$347
PortlandLondon
PWM Portland - LHR London Heathrow
PWMLHR
Portland
Fri 11/27
8:49 am-6:30 am
3 stops16h 41m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$352
Showing 1-10 of 32 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
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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
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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 November 10, 2026.
Maine and London flights
Browse other Maine and London flight options. Last updated on November 10, 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 November 10, 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% |