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Cheap flights from Portland, Maine to England from $394

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 England departing on 11/15. 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 England

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:34 pm - 6:55 amPWM-LHR
11h 21m1 stop
Delta Logo
9:00 am - 11:59 pmLHR-PWM
19h 59m2 stops
$593Delta
Find Deal
Tue, Dec 2 - Tue, Dec 9
KLM Logo
4:48 pm - 8:45 amPWM-LHR
10h 57m1 stop
KLM Logo
11:45 am - 11:54 pmLHR-PWM
17h 09m2 stops
$594KLM
Find Deal
Tue, Nov 4 - Wed, Nov 12
Scandinavian Airlines Logo
6:35 am - 9:40 pmPWM-LHR
34h 05m2 stops
Scandinavian Airlines Logo
6:40 am - 11:54 pmLHR-PWM
22h 14m2 stops
$610Scandinavian Airlines
Find Deal
Mon, Nov 17 - Mon, Nov 24
Scandinavian Airlines Logo
6:35 am - 4:00 pmPWM-LHR
28h 25m2 stops
Scandinavian Airlines Logo
6:40 pm - 11:54 pmLHR-PWM
34h 14m2 stops
$615Scandinavian Airlines
Find Deal
Mon, Nov 17 - Fri, Nov 21
American Airlines Logo
12:52 pm - 6:30 amPWM-LHR
12h 38m2 stops
American Airlines Logo
7:50 am - 6:15 pmLHR-PWM
15h 25m2 stops
$623American Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
United Airlines Logo
7:22 pm - 3:50 pmPWM-LHR
15h 28m2 stops
United Airlines Logo
11:10 am - 11:17 pmLHR-PWM
17h 07m2 stops
$639United Airlines
Find Deal
Mon, Nov 3 - Wed, Nov 12
Multiple Airlines Logo
3:00 pm - 12:50 pmPWM-LCY
16h 50m2 stops
Multiple Airlines Logo
5:45 pm - 6:54 pmLCY-PWM
30h 09m2 stops
$655Multiple Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
Multiple Airlines Logo
3:19 pm - 11:20 amPWM-LHR
15h 01m2 stops
Multiple Airlines Logo
9:00 am - 11:17 pmLHR-PWM
19h 17m3 stops
$664Multiple Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
United Airlines Logo
6:00 am - 8:35 pmPWM-LHR
9h 35m1 stop
United Airlines Logo
11:10 am - 11:05 pmLHR-PWM
16h 55m2 stops
$670United Airlines
Find Deal
Thu, Nov 6 - Fri, Nov 14
American Airlines Logo
12:23 pm - 7:00 amPWM-LHR
13h 37m2 stops
American Airlines Logo
7:50 am - 6:15 pmLHR-PWM
15h 25m2 stops
$673American Airlines
Find Deal
Thu, Dec 11 - Tue, Dec 16

Delta flights from Portland, Maine to England

Our best Delta deals on Portland, Maine to England flight tickets
Delta
Dec 2
PWM2:34 pmPortland
11h 21m
1 stop
LHR6:55 amLondon Heathrow
Dec 9
LHR9:00 amLondon Heathrow
19h 59m
2 stops
PWM11:59 pmPortland
$593
Find similar
Delta
Nov 4
PWM6:00 amPortland
20h 50m
1 stop
LHR7:50 amLondon Heathrow
Nov 13
LHR6:30 amLondon Heathrow
22h 24m
2 stops
PWM11:54 pmPortland
$597
Find similar
Delta
Nov 4
PWM1:46 pmPortland
12h 04m
2 stops
LHR6:50 amLondon Heathrow
Nov 13
LHR11:45 amLondon Heathrow
17h 09m
2 stops
PWM11:54 pmPortland
$602
Find similar

KLM flights from Portland, Maine to England

Our best KLM deals on Portland, Maine to England flight tickets
KLM
Nov 4
PWM4:48 pmPortland
10h 57m
1 stop
LHR8:45 amLondon Heathrow
Nov 12
LHR11:45 amLondon Heathrow
17h 09m
2 stops
PWM11:54 pmPortland
$594
Find similar
KLM
Nov 4
PWM1:27 pmPortland
13h 23m
1 stop
LHR7:50 amLondon Heathrow
Nov 11
LHR12:30 pmLondon Heathrow
14h 49m
1 stop
PWM10:19 pmPortland
$601
Find similar
KLM
Nov 7
PWM4:48 pmPortland
10h 57m
1 stop
LHR8:45 amLondon Heathrow
Nov 28
LHR11:45 amLondon Heathrow
17h 14m
2 stops
PWM11:59 pmPortland
$748
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to England 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, momondo users made 832,500 searches. Data last updated October 20, 2025.
Use the filters below to find and compare flights from Portland, Maine to England that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandLondon

PWM - LHR

PWMLHR

Portland

Tue 12/2

2:34 pm-6:55 am

1 stop11h 21m

London Heathrow

Tue 12/9

9:00 am-11:59 pm

2 stops19h 59m

$593

PortlandLondon

PWM - LHR

PWMLHR

Portland

Tue 11/4

4:48 pm-8:45 am

1 stop10h 57m

London Heathrow

Wed 11/12

11:45 am-11:54 pm

2 stops17h 09m

$594

PortlandLondon

PWM - LHR

PWMLHR

Portland

Mon 11/17

6:35 am-9:40 pm

2 stops34h 05m

London Heathrow

Mon 11/24

6:40 am-11:54 pm

2 stops22h 14m

$610

PortlandLondon

PWM - LHR

PWMLHR

Portland

Mon 11/17

6:35 am-4:00 pm

2 stops28h 25m

London Heathrow

Fri 11/21

6:40 pm-11:54 pm

2 stops34h 14m

$615

PortlandLondon

PWM - LHR

PWMLHR

Portland

Tue 12/2

12:52 pm-6:30 am

2 stops12h 38m

London Heathrow

Tue 12/9

7:50 am-6:15 pm

2 stops15h 25m

$623

PortlandLondon

PWM - LHR

PWMLHR

Portland

Mon 11/3

7:22 pm-3:50 pm

2 stops15h 28m

London Heathrow

Wed 11/12

11:10 am-11:17 pm

2 stops17h 07m

$639

PortlandLondon

PWM - LCY

PWMLCY

Portland

Tue 12/2

3:00 pm-12:50 pm

2 stops16h 50m

London City

Tue 12/9

5:45 pm-6:54 pm

2 stops30h 09m

$655

PortlandLondon

PWM - LHR

PWMLHR

Portland

Wed 11/5

3:19 pm-11:20 am

2 stops15h 01m

London Heathrow

Wed 11/12

9:00 am-11:17 pm

3 stops19h 17m

$664

PortlandLondon

PWM - LHR

PWMLHR

Portland

Thu 11/6

6:00 am-8:35 pm

1 stop9h 35m

London Heathrow

Fri 11/14

11:10 am-11:05 pm

2 stops16h 55m

$670

PortlandLondon

PWM - LHR

PWMLHR

Portland

Thu 12/11

12:23 pm-7:00 am

2 stops13h 37m

London Heathrow

Tue 12/16

7:50 am-6:15 pm

2 stops15h 25m

$673

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to England from

How to get the cheapest flight ticket from Portland, Maine to England

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 England?

If you’re not able to fly to England in October, then February is your next best option. Flight prices from Portland, Maine to England during February average around $713.

What is the cheapest day to depart on your flight to England?

The cheapest day to depart on your flight to England is on a Tuesday when prices can be found for as low as $788. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to England is Friday, with ticket prices averaging around $936.

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

According to our data, the cheapest time of day to fly to England is at noon. momondo users have found flights departing from Portland, Maine to England 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 England 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 England flight deals and tips

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

Direct flights

None
There are no direct flights from Portland, Maine to England. There are no popular flight routes from Portland, Maine to England.
Search flight deals

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

    Prices for flights from Portland Airport to England were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to England.

  • What documentation or ID do you need to fly to England?

    The travel and health documents you'll need for your trip to England may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at England. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland, Maine to England

Compare and see reviews for airlines that fly from Portland, Maine to England with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $648Free CancellationRating
7.4
8,991 reviews
Search United Airlines flights
DeltaPriceFrom $683Free CancellationRating
7.9
7,978 reviews
Search Delta flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to England from Portland.

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

momondo does allow users to show only those flights to England from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to England?

Once you have performed a search for Portland to England flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Portland to England flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Wed 11/19
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Find better results for your trip to England

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