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Cheap flights from Portland, Maine to the United Kingdom from $319

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 4/20. 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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Find the cheapest flights from Portland, Maine to the United Kingdom

Cheap round-trip flights

These are some of the best round-trip flight deals from Portland, Maine to the United Kingdom that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portland, Maine to the United Kingdom.

Cheap last minute flights

Planning a quick getaway from Portland, Maine to the United Kingdom? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to the United Kingdom, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Portland, Maine to the United Kingdom

Find recent round-trip train or bus tickets from Portland, Maine to the United Kingdom.

All round-trip flight deals from Portland, Maine to the United Kingdom

The cheapest plane tickets from Portland, Maine to the United Kingdom found on KAYAK recently.
6:10 am - 8:45 pmPWM-LHR
9h 35m1 stop
7:25 am - 4:55 pmLHR-PWM
14h 30m1 stop
$611JetBlue
Find Deal
Fri, Apr 25 - Thu, May 1
5:35 pm - 9:30 amPWM-LHR
10h 55m1 stop
7:25 am - 4:40 pmLHR-PWM
14h 15m1 stop
$626JetBlue
Find Deal
Mon, Apr 21 - Tue, Apr 29
5:35 pm - 9:30 amPWM-LHR
10h 55m1 stop
7:25 am - 4:55 pmLHR-PWM
14h 30m1 stop
$648JetBlue
Find Deal
Sun, Apr 20 - Thu, May 1
5:44 am - 6:35 amPWM-LHR
19h 51m1 stop
9:50 am - 10:41 pmLHR-PWM
17h 51m2 stops
$709American Airlines
Find Deal
Tue, Feb 11 - Tue, Feb 18
1:01 pm - 10:50 amPWM-GLA
17h 49m2 stops
7:00 am - 10:42 pmGLA-PWM
20h 42m2 stops
$735American Airlines
Find Deal
Fri, Mar 28 - Tue, Apr 8
1:38 pm - 6:40 amPWM-LHR
12h 02m1 stop
2:30 pm - 11:33 amLHR-PWM
26h 03m2 stops
$742United Airlines
Find Deal
Sun, Feb 9 - Fri, Feb 21
3:28 pm - 6:45 amPWM-LHR
10h 17m1 stop
1:45 pm - 11:27 pmLHR-PWM
14h 42m2 stops
$744United Airlines
Find Deal
Tue, Apr 22 - Tue, Apr 29
5:15 pm - 11:10 amPWM-LHR
12h 55m1 stop
8:10 pm - 11:04 amLHR-PWM
19h 54m1 stop
$761Delta
Find Deal
Wed, Apr 23 - Tue, Apr 29
3:04 pm - 9:30 amPWM-LCY
13h 26m2 stops
9:20 am - 11:56 pmLCY-PWM
19h 36m2 stops
$797Delta
Find Deal
Sun, Feb 9 - Fri, Feb 21
2:35 pm - 9:20 amPWM-EDI
13h 45m1 stop
2:05 pm - 11:38 pmEDI-PWM
14h 33m1 stop
$1,398KLM
Find Deal
Sun, May 18 - Sat, May 31
5:35 pm - 9:30 amPWM-LHR
10h 55m1 stop
$319JetBlue
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Sun, Apr 20
12:30 pm - 8:20 amPWM-LHR
14h 50m2 stops
$446United Airlines
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Sun, Apr 20
4:15 pm - 6:20 amPWM-LHR
33h 05m1 stop
$460United Airlines
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Sat, Apr 19
6:00 am - 7:10 amPWM-LHR
20h 10m2 stops
$468Air Canada
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Sun, Jan 26
5:34 am - 7:55 amPWM-LHR
21h 21m1 stop
$473Virgin Atlantic
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Sun, Jan 26
9:30 am - 5:55 amPWM-LHR
15h 25m2 stops
$496United Airlines
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Thu, Apr 17
2:45 pm - 9:30 amPWM-LHR
13h 45m1 stop
$2,813JetBlue
Find Deal
Tue, Jun 24
6:00 am - 6:30 amPWM-LHR
19h 30m3 stops
$2,888Air Canada
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Wed, Jun 25
2:35 pm - 8:10 amPWM-LCY
12h 35m2 stops
$2,931Delta
Find Deal
Wed, Jun 25
12:50 pm - 9:30 amPWM-LCY
15h 40m2 stops
$3,981Delta
Find Deal
Tue, Jun 24
12:06 pm - 10:00 amPWM-LGW
16h 54m1 stop
11:40 am - 4:43 pmLGW-PWM
34h 03m2 stops
$1,023
Find Deal
Mon, Jan 20 - Wed, Jan 22
12:06 pm - 10:00 amPWM-LGW
16h 54m1 stop
11:40 am - 4:52 pmLGW-PWM
34h 12m3 stops
$1,132
Find Deal
Mon, Jan 20 - Wed, Jan 22
2:24 pm - 8:40 amPWM-LHR
13h 16m2 stops
9:50 am - 10:28 pmLHR-PWM
17h 38m2 stops
$1,624American Airlines
Find Deal
Fri, Jan 17 - Fri, Jan 24
1:55 pm - 11:05 amPWM-LHR
16h 10m1 stop
3:00 pm - 2:42 pmLHR-PWM
28h 42m2 stops
$1,626United Airlines
Find Deal
Fri, Jan 17 - Fri, Jan 24
12:06 pm - 5:50 pmPWM-LGW
24h 44m3 stops
11:40 am - 11:10 pmLGW-PWM
16h 30m2 stops
$1,647
Find Deal
Mon, Jan 20 - Wed, Jan 22
5:34 am - 7:55 amPWM-LHR
21h 21m1 stop
10:50 am - 11:51 pmLHR-PWM
18h 01m1 stop
$1,649Virgin Atlantic
Find Deal
Fri, Jan 17 - Fri, Jan 24
12:06 pm - 5:50 pmPWM-LGW
24h 44m3 stops
11:40 am - 4:52 pmLGW-PWM
34h 12m3 stops
$1,684
Find Deal
Mon, Jan 20 - Wed, Jan 22
4:10 pm - 11:15 amPWM-LHR
14h 05m1 stop
7:10 am - 4:52 pmLHR-PWM
14h 42m2 stops
$2,308United Airlines
Find Deal
Mon, Jan 20 - Wed, Jan 22
3:02 pm - 11:10 amPWM-LHR
15h 08m1 stop
12:30 pm - 11:51 pmLHR-PWM
16h 21m1 stop
$2,419KLM
Find Deal
Mon, Jan 20 - Wed, Jan 22
3:02 pm - 9:30 amPWM-LCY
13h 28m2 stops
10:00 am - 11:57 pmLCY-PWM
18h 57m2 stops
$9,987Delta
Find Deal
Fri, Jan 17 - Fri, Jan 24

Scandinavian Airlines flights from Portland, Maine to United Kingdom

Our best Scandinavian Airlines deals on Portland, Maine to United Kingdom flight tickets
Scandinavian Airlines
Feb 11
PWM3:04 pmPortland
22h 26m
2 stops
LHR6:30 pmLondon Heathrow
Feb 18
LHR6:40 amLondon Heathrow
22h 17m
2 stops
PWM11:57 pmPortland
Scandinavian Airlines
Feb 11
PWM3:04 pmPortland
16h 51m
3 stops
LHR12:55 pmLondon Heathrow
Feb 18
LHR6:40 amLondon Heathrow
22h 17m
2 stops
PWM11:57 pmPortland
Scandinavian Airlines
Mar 8
PWM3:04 pmPortland
21h 36m
2 stops
LHR5:40 pmLondon Heathrow
Mar 11
LHR6:40 amLondon Heathrow
21h 30m
2 stops
PWM12:10 amPortland

American Airlines flights from Portland, Maine to United Kingdom

Our best American Airlines deals on Portland, Maine to United Kingdom flight tickets
American Airlines
Feb 11
PWM5:44 amPortland
19h 51m
1 stop
LHR6:35 amLondon Heathrow
Feb 18
LHR9:50 amLondon Heathrow
17h 51m
2 stops
PWM10:41 pmPortland
American Airlines
Mar 28
PWM1:01 pmPortland
17h 49m
2 stops
GLA10:50 amGlasgow Intl
Apr 8
GLA7:00 amGlasgow Intl
20h 42m
2 stops
PWM10:42 pmPortland
American Airlines
Jan 30
PWM12:48 pmPortland
16h 02m
2 stops
EDI9:50 amEdinburgh Turnhouse
Feb 6
EDI6:50 amEdinburgh Turnhouse
20h 44m
2 stops
PWM10:34 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, February 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 $640. If you aren’t able to travel to United Kingdom during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $712.

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

$319

Fastest flight time

9h 30m

Direct flights

None

Airports in United Kingdom

6 airports
The best one-way flight to United Kingdom from Portland, Maine in the past 72 hours is $319. The best round-trip flight deal from Portland, Maine to United Kingdom found on momondo in the last 72 hours is $611.
The fastest flight from Portland, Maine to United Kingdom takes 9h 30m
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 - London Gatwick Airport and Portland Airport - London City Airport.
There are 6 airports near United Kingdom: London City (LCY), London Heathrow (LHR), Edinburgh Turnhouse (EDI), London Gatwick (LGW), London Southend (SEN), Glasgow Intl (GLA)

  • 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
DeltaPriceFrom $565Free CancellationRating
8.0
8,511 reviews
Search Delta flights
JetBluePriceFrom $586Free CancellationRating
7.4
3,199 reviews
Search JetBlue flights
American AirlinesPriceFrom $602Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
KLMPriceFrom $680Free CancellationRating
7.8
1,339 reviews
Search KLM flights
United AirlinesPriceFrom $728Free CancellationRating
7.4
8,965 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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