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$737+ Cheap flights from Portland, ME (PWM) to the United Kingdom

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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LHR
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Portland to United Kingdom

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to United Kingdom (GB0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$737
(Delta)
From Portland to United Kingdom
Search Deals

Find flight deals from Portland to United Kingdom

Best flights from Portland to United Kingdom
Discover carefully curated flight deals from Portland to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2024.

This Delta deal was found by Cheapflights users on 12/22. 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 1/145:34 amPWM - MAN
1 stop21h 01mDelta
Tue 1/2112:00 pmMAN - PWM
1 stop16h 51mDelta
Deal found 12/22$737
This United Airlines deal was found by Cheapflights users on 12/21. 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 2/41:55 pmPWM - EDI
2 stops13h 00mUnited Airlines
Tue 2/119:25 amEDI - PWM
2 stops30h 03mUnited Airlines
Deal found 12/21$749
This Booking.com deal was found by Cheapflights users on 12/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/206:00 amPWM - LHR
2 stops20h 10mMultiple Airlines
Mon 1/277:25 pmLHR - PWM
2 stops32h 05mMultiple Airlines
Deal found 12/20$749
This American Airlines deal was found by Cheapflights users on 12/22. 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.
Tue 1/1412:48 pmPWM - MAN
2 stops20h 12mAmerican Airlines
Tue 1/218:55 amMAN - PWM
2 stops18h 35mAmerican Airlines
Deal found 12/22$756
This Air Canada deal was found by Cheapflights users on 12/21. 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 1/2211:36 amPWM - LHR
3 stops19h 14mAir Canada
Wed 1/296:50 amLHR - PWM
3 stops20h 40mAir Canada
Deal found 12/21$768
This Virgin Atlantic deal was found by Cheapflights users on 12/21. 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 1/225:34 amPWM - LHR
1 stop21h 21mVirgin Atlantic
Wed 1/2912:30 pmLHR - PWM
1 stop16h 21mVirgin Atlantic
Deal found 12/21$773
This Scandinavian Airlines deal was found by Cheapflights users on 12/22. 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 2/183:04 pmPWM - LHR
2 stops25h 36mScandinavian Airlines
Mon 2/246:40 amLHR - PWM
3 stops22h 16mScandinavian Airlines
Deal found 12/22$812
This JetBlue Airways deal was found by Cheapflights users on 12/21. 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 JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/75:50 pmPWM - EDI
1 stop10h 25mJetBlue
Sat 6/2111:30 amEDI - PWM
1 stop15h 22mJetBlue
Deal found 12/21$1,427
This United Airlines deal was found by Cheapflights users on 12/22. 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 2/51:55 pmPWM - MAN
2 stops15h 25mUnited Airlines
Wed 2/126:25 amMAN - PWM
2 stops21h 05mUnited Airlines
Deal found 12/22$749
This United Airlines deal was found by Cheapflights users on 12/21. 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 2/41:55 pmPWM - EDI
2 stops17h 05mMultiple Airlines
Tue 2/119:25 amEDI - PWM
1 stop12h 27mMultiple Airlines
Deal found 12/21$755
This Delta deal was found by Cheapflights users on 12/20. 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.
Mon 1/203:02 pmPWM - LHR
1 stop14h 28mDelta
Mon 1/275:35 pmLHR - PWM
2 stops25h 47mDelta
Deal found 12/20$776
This United Airlines deal was found by Cheapflights users on 12/21. 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 1/216:05 pmPWM - LHR
1 stop11h 10mUnited Airlines
Tue 1/283:00 pmLHR - PWM
2 stops28h 42mUnited Airlines
Deal found 12/21$751

Find flights from Portland to United Kingdom within your budget

Customize your flight search to find flights from Portland to United Kingdom 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 2,558,603 searches. Data last updated December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandManchester

PWM - MAN

PWMMAN

Portland

Tue 1/14

5:34 am-7:35 am

1 stop21h 01m

Manchester

Tue 1/21

12:00 pm-11:51 pm

1 stop16h 51m

$737

PortlandEdinburgh

PWM - EDI

PWMEDI

Portland

Tue 2/4

1:55 pm-7:55 am

2 stops13h 00m

Edinburgh Turnhouse

Tue 2/11

9:25 am-10:28 am

2 stops30h 03m

$749

PortlandLondon

PWM - LHR

PWMLHR

Portland

Mon 1/20

6:00 am-7:10 am

2 stops20h 10m

London Heathrow

Mon 1/27

7:25 pm-10:30 pm

2 stops32h 05m

$749

PortlandManchester

PWM - MAN

PWMMAN

Portland

Wed 2/5

1:55 pm-10:20 am

2 stops15h 25m

Manchester

Wed 2/12

6:25 am-10:30 pm

2 stops21h 05m

$749

PortlandLondon

PWM - LHR

PWMLHR

Portland

Tue 1/21

6:05 pm-10:15 am

1 stop11h 10m

London Heathrow

Tue 1/28

3:00 pm-2:42 pm

2 stops28h 42m

$751

PortlandEdinburgh

PWM - EDI

PWMEDI

Portland

Tue 2/4

1:55 pm-12:00 pm

2 stops17h 05m

Edinburgh Turnhouse

Tue 2/11

9:25 am-4:52 pm

1 stop12h 27m

$755

PortlandManchester

PWM - MAN

PWMMAN

Portland

Tue 1/14

12:48 pm-2:00 pm

2 stops20h 12m

Manchester

Tue 1/21

8:55 am-10:30 pm

2 stops18h 35m

$756

PortlandLondon

PWM - LHR

PWMLHR

Portland

Wed 1/22

5:34 am-7:55 am

1 stop21h 21m

London Heathrow

Wed 1/29

12:30 pm-11:51 pm

1 stop16h 21m

$773

PortlandLondon

PWM - LHR

PWMLHR

Portland

Mon 1/20

3:02 pm-10:30 am

1 stop14h 28m

London Heathrow

Mon 1/27

5:35 pm-2:22 pm

2 stops25h 47m

$776

PortlandLondon

PWM - LHR

PWMLHR

Portland

Tue 2/18

3:04 pm-9:40 pm

2 stops25h 36m

London Heathrow

Mon 2/24

6:40 am-11:56 pm

3 stops22h 16m

$812

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 18 results
1
2

Best time to book a flight from Portland to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Portland with our price prediction graph.
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.

Travel insights for flights from Portland to United Kingdom

Get recent, data-driven insights about flights from Portland to United Kingdom including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Portland, Maine to United Kingdom?

Currently, November is the cheapest month in which you can book a flight from Portland, Maine to United Kingdom (average of $661). Flying from Portland, Maine to United Kingdom in June is currently the most expensive (average of $1,135). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PWM to GB?

Find hourly flight availability from Portland to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to United Kingdom as you normally would.

Rainfall in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in United Kingdom ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit United Kingdom when rainfall is around 1.6 in.

Temperature in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average temperature totals by month.

If weather is an important factor for your trip to United Kingdom, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to United Kingdom. Reviews last updated December 22, 2024.
Read through reviews of airlines operating flights from Portland to United Kingdom, such as Air Canada, Delta and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,594 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
668 reviews
Delta
8.0
Very good
8,594 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

JetBlue
7.4
Good
3,265 reviews
Delta
8.0
Very good
8,594 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,028 reviews
Delta
8.0
Very good
8,594 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Scandinavian Airlines
7.3
Good
1,314 reviews
Delta
8.0
Very good
8,594 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Portland to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to United Kingdom?

    For a flight from Portland to United Kingdom, you will be flying from Portland. Portland (PWM) is just 2.9 mi from the center of the city.

  • What are the most popular routes from Portland, Maine to United Kingdom?

    Most travelers choose Portland - London Heathrow, Portland - London Gatwick or Portland - Edinburgh Turnhouse when deciding on the best route from Portland, Maine to United Kingdom.

  • Can I find deals for flights from Portland to United Kingdom that include hotel bookings?

    Yes. In addition to deals on Portland to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to United Kingdom.

  • Can I find deals for business class flights from Portland to United Kingdom?

    Yes. Cheapflights offers flight deals from Portland to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from Portland, Maine to United Kingdom (average of $661). Flying from Portland, Maine to United Kingdom in June is currently the most expensive (average of $1,135). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portland to United Kingdom

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Top 5 airlines flying from Portland to United Kingdom

Discover the top 5 airlines that operate flights from Portland to United Kingdom. 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 2,558,603 searches. Data last updated December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$565Average$977FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$602Average$1,006FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$670Average$750FlexibilityNo cancel feeOn-time62%
KLMCheapest$680Average$848FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$718Average$1,006FlexibilityNo cancel feeOn-time69%
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