
Keep the following information in mind while searching for Maine to Europe flight deals. Data was last updated November 10, 2026.
Round-trip from | $686 (KLM) |
|---|---|
One-way from | $330 (United Airlines) |
Fly from
Fly to
Route
Depart
Return
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
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
PortlandLondon
PWM Portland - LHR London Heathrow
PWMLHR
Portland
Wed 3/31
6:00 am-6:25 am
2 stops19h 25m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
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
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
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
PortlandLondon
PWM Portland - LHR London Heathrow
PWMLHR
Portland
Tue 11/17
8:49 am-6:40 am
2 stops16h 51m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
PortlandParis
PWM Portland - CDG Paris Charles de Gaulle
PWMCDG
Portland
Sat 12/5
12:28 pm-11:35 pm
3 stops29h 07m
Paris Charles de Gaulle
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Mon 1/11
7:50 pm-5:15 am
1 stop28h 25m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Fri 11/27
8:00 am-5:15 am
1 stop16h 15m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
Everything you need to know about your flight from Maine to Europe
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$1,015 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$757 | Average$1,197 | FlexibilityNo cancel fee | On-time71% |