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Cheap flights from Portland, Maine to the United Kingdom from $369

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to the United Kingdom departing on 6/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland, Maine to the United Kingdom

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Portland, Maine to the United Kingdom.
JetBlue Logo
2:15 pm - 9:30 amPWM-LHR
14h 15m1 stop
JetBlue Logo
11:55 am - 9:59 pmLHR-PWM
15h 04m1 stop
$629JetBlue
Find Deal
Fri, Sep 26 - Tue, Oct 7
JetBlue Logo
2:15 pm - 9:30 amPWM-LHR
14h 15m1 stop
JetBlue Logo
11:55 am - 9:59 pmLHR-PWM
15h 04m1 stop
$659JetBlue
Find Deal
Wed, Sep 24 - Sun, Sep 28
Scandinavian Airlines Logo
2:35 pm - 4:00 pmPWM-LHR
20h 25m2 stops
Scandinavian Airlines Logo
7:05 am - 11:31 pmLHR-PWM
21h 26m2 stops
$668Scandinavian Airlines
Find Deal
Wed, Oct 1 - Tue, Oct 14
Scandinavian Airlines Logo
2:35 pm - 9:20 amPWM-LHR
37h 45m2 stops
Scandinavian Airlines Logo
7:50 pm - 11:31 pmLHR-PWM
32h 41m2 stops
$788Scandinavian Airlines
Find Deal
Wed, Sep 24 - Sun, Sep 28
United Airlines Logo
3:06 pm - 7:15 amPWM-LHR
11h 09m1 stop
United Airlines Logo
12:40 pm - 1:41 pmLHR-PWM
30h 01m2 stops
$815United Airlines
Find Deal
Wed, Sep 24 - Sun, Sep 28
United Airlines Logo
3:13 pm - 9:20 amPWM-LHR
13h 07m1 stop
United Airlines Logo
7:25 am - 7:29 pmLHR-PWM
17h 04m2 stops
$824United Airlines
Find Deal
Fri, Sep 26 - Tue, Oct 7
KLM Logo
2:35 pm - 9:20 amPWM-EDI
13h 45m1 stop
KLM Logo
9:00 am - 11:59 pmEDI-PWM
19h 59m1 stop
$1,095KLM
Find Deal
Sun, Aug 3 - Mon, Aug 11
Delta Logo
2:34 pm - 10:00 amPWM-LGW
14h 26m1 stop
Delta Logo
12:00 pm - 12:46 amLGW-PWM
17h 46m1 stop
$1,122Delta
Find Deal
Sun, Jun 8 - Sun, Jun 15
Delta Logo
12:49 pm - 10:00 amPWM-LGW
16h 11m2 stops
Delta Logo
12:00 pm - 12:46 amLGW-PWM
17h 46m1 stop
$1,127Delta
Find Deal
Sun, Jun 8 - Sun, Jun 15
KLM Logo
1:30 pm - 12:05 pmPWM-EDI
17h 35m1 stop
KLM Logo
2:05 pm - 12:46 amEDI-PWM
15h 41m1 stop
$1,435KLM
Find Deal
Fri, Jun 6 - Sun, Jun 22

Scandinavian Airlines flights from Portland, Maine to United Kingdom

Our best Scandinavian Airlines deals on Portland, Maine to United Kingdom flight tickets
Scandinavian Airlines
Oct 1
PWM2:35 pmPortland
20h 25m
2 stops
LHR4:00 pmLondon Heathrow
Oct 14
LHR7:05 amLondon Heathrow
21h 26m
2 stops
PWM11:31 pmPortland
Scandinavian Airlines
Sep 24
PWM2:35 pmPortland
37h 45m
2 stops
LHR9:20 amLondon Heathrow
Sep 28
LHR7:50 pmLondon Heathrow
32h 41m
2 stops
PWM11:31 pmPortland
Scandinavian Airlines
Jun 8
PWM6:30 amPortland
30h 10m
2 stops
LHR5:40 pmLondon Heathrow
Jun 15
LHR5:30 pmLondon Heathrow
36h 16m
2 stops
PWM12:46 amPortland

United Airlines flights from Portland, Maine to United Kingdom

Our best United Airlines deals on Portland, Maine to United Kingdom flight tickets
United Airlines
Sep 24
PWM3:06 pmPortland
11h 09m
1 stop
LHR7:15 amLondon Heathrow
Sep 28
LHR12:40 pmLondon Heathrow
30h 01m
2 stops
PWM1:41 pmPortland
United Airlines
Sep 26
PWM3:13 pmPortland
13h 07m
1 stop
LHR9:20 amLondon Heathrow
Oct 7
LHR7:25 amLondon Heathrow
17h 04m
2 stops
PWM7:29 pmPortland
United Airlines
Aug 3
PWM10:05 amPortland
19h 30m
1 stop
EDI10:35 amEdinburgh Turnhouse
Aug 11
EDI9:00 amEdinburgh Turnhouse
33h 18m
2 stops
PWM1:18 pmPortland

See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Portland, Maine to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United Kingdom?

In general, November is the cheapest month to fly from Portland, Maine to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $712. If you aren’t able to travel to United Kingdom during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $716.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Portland, Maine to United Kingdom is on a Tuesday when prices can be found for as low as $788. The most expensive day to fly to United Kingdom is Friday, with ticket prices averaging around $936.

What is the cheapest time of day to depart on your flight to United Kingdom?

According to our data, the cheapest time of day to fly to United Kingdom is at noon. momondo users have found flights departing from Portland, Maine to United Kingdom at noon for as low as $827. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the afternoon, with an average ticket price of $869. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Portland, Maine to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to United Kingdom

Best Price Found

$369

Fastest flight time

9h 35m

Direct flights

None

Airports in United Kingdom

5 airports
The best one-way flight to United Kingdom from Portland, Maine in the past 72 hours is $369. The best round-trip flight deal from Portland, Maine to United Kingdom found on momondo in the last 72 hours is $629.
The fastest flight from Portland, Maine to United Kingdom takes 9h 35m
There are no direct flights from Portland, Maine to United Kingdom. Popular non-direct routes for this connection are Portland Airport - London Heathrow Airport, Portland Airport - Edinburgh Turnhouse Airport and Portland Airport - London Gatwick Airport.
There are 5 airports near United Kingdom: London City (LCY), London Heathrow (LHR), Edinburgh Turnhouse (EDI), Manchester (MAN), London Gatwick (LGW)

  • When did momondo last update prices for flights from Portland Airport to United Kingdom?

    Prices for flights from Portland Airport to United Kingdom refresh daily.

  • How many operators does momondo search for flights from Portland Airport to United Kingdom?

  • How old do you have to be to fly from Portland Airport to United Kingdom?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The required travel and health documents for your United Kingdom trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Best airlines flying from Portland, Maine to United Kingdom

Compare and see reviews for airlines that fly from Portland, Maine to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $586Free CancellationRating
7.3
2,924 reviews
Search JetBlue flights
DeltaPriceFrom $638Free CancellationRating
8.0
7,920 reviews
Search Delta flights
KLMPriceFrom $680Free CancellationRating
7.8
1,333 reviews
Search KLM flights
United AirlinesPriceFrom $715Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to United Kingdom?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to United Kingdom. momondo saves you time and could save you money on your trip.

Can I find flights from Portland to United Kingdom with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to United Kingdom from Portland with this policy.

How can momondo help me find flights from Portland to United Kingdom?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to United Kingdom from Portland.

I’m not ready to book a flight from Portland to United Kingdom right now. Can momondo alert me if prices change?

If you are simply researching potential flights to United Kingdom, momondo offers a useful price alert feature which will track prices for flights to United Kingdom from Portland and alert you when they change.


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Popular flights according to clicks in the last 7 days on momondo