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$377+ Cheap flights from Portland (PWM) to the United Kingdom

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LHR
nov. 5 — nov. 121
1 adult
mar. 11/5
mar. 11/12
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Find flight deals from Portland to United Kingdom

Cheapest flights from Portland to United Kingdom
Explore the most affordable flight options available from Portland to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 31, 2024.

This Scandinavian Airlines deal was found by Cheapflights users on 10/30. 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.
vie. 12/62:55 pmPWM - LHR
3 stops22h 35mScandinavian Airlines
mar. 12/106:40 amLHR - PWM
2 stops22h 19mScandinavian Airlines
Deal found 10/30$745
This United Airlines deal was found by Cheapflights users on 10/30. 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.
lun. 12/161:55 pmPWM - LHR
1 stop11h 45mUnited Airlines
vie. 12/278:55 amLHR - PWM
2 stops20h 04mUnited Airlines
Deal found 10/30$821
This American Airlines deal was found by Cheapflights users on 10/30. 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.
lun. 12/1612:56 pmPWM - LHR
1 stop15h 24mAmerican Airlines
vie. 12/2710:15 amLHR - PWM
1 stop17h 46mAmerican Airlines
Deal found 10/30$837
This Orbitz deal was found by Cheapflights users on 10/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2911:24 amPWM - LHR
2 stops19h 26mAir Canada
vie. 12/63:00 pmLHR - PWM
2 stops36h 50mAir Canada
Deal found 10/30$878
This KLM deal was found by Cheapflights users on 10/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/202:55 pmPWM - LHR
1 stop12h 00mKLM
mié. 11/2712:30 pmLHR - PWM
1 stop16h 17mKLM
Deal found 10/30$881
This Delta deal was found by Cheapflights users on 10/30. 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.
vie. 11/295:00 amPWM - LHR
1 stop10h 10mDelta
vie. 12/611:45 amLHR - PWM
2 stops17h 14mDelta
Deal found 10/30$883
This Air Canada deal was found by Cheapflights users on 10/30. 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.
mié. 11/204:13 pmPWM - LHR
2 stops14h 37mMultiple Airlines
mié. 11/279:00 amLHR - PWM
3 stops18h 50mMultiple Airlines
Deal found 10/30$892
This Delta deal was found by Cheapflights users on 10/31. 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.
jue. 12/122:55 pmPWM - MAN
2 stops20h 35mDelta
dom. 5/111:30 pmMAN - PWM
1 stop15h 04mDelta
Deal found 10/31$907
This Delta deal was found by Cheapflights users on 10/29. 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.
lun. 12/162:55 pmPWM - LCY
2 stops12h 55mDelta
vie. 12/278:40 amLCY - PWM
2 stops19h 42mDelta
Deal found 10/29$972
This Virgin Atlantic deal was found by Cheapflights users on 10/31. 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.
jue. 12/126:05 amPWM - MAN
1 stop20h 30mVirgin Atlantic
dom. 5/111:30 pmMAN - PWM
1 stop15h 04mVirgin Atlantic
Deal found 10/31$999
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/212:01 pmPWM - LGW
1 stop16h 59mMultiple Airlines
dom. 12/811:20 amLGW - PWM
1 stop29h 01mMultiple Airlines
Deal found 10/30$1,132
This Scandinavian Airlines deal was found by Cheapflights users on 10/31. 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.
jue. 12/122:55 pmPWM - MAN
3 stops24h 05mScandinavian Airlines
dom. 5/119:20 amMAN - PWM
2 stops19h 18mScandinavian Airlines
Deal found 10/31$1,165

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 2,570,725 searches. Data last updated octubre 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandLondon

PWM - LGW

PWMLGW

Portland

dom. 12/15

9:13 pm-10:00 am

1 stop31h 47m

$377

PortlandLondon

PWM - LHR

PWMLHR

Portland

mié. 12/25

12:15 pm-9:20 am

2 stops16h 05m

$429

PortlandManchester

PWM - MAN

PWMMAN

Portland

jue. 12/12

1:55 pm-12:20 pm

2 stops17h 25m

$502

PortlandManchester

PWM - MAN

PWMMAN

Portland

jue. 12/12

6:00 am-10:20 am

3 stops23h 20m

$508

PortlandManchester

PWM - MAN

PWMMAN

Portland

jue. 12/12

6:05 am-7:35 am

1 stop20h 30m

$517

PortlandLondon

PWM - LCY

PWMLCY

Portland

dom. 12/15

2:55 pm-9:30 am

2 stops13h 35m

$562

PortlandLondon

PWM - LHR

PWMLHR

Portland

mar. 11/12

4:43 pm-12:50 pm

2 stops63h 07m

$619

PortlandLondon

PWM - LHR

PWMLHR

Portland

mié. 12/25

6:00 am-6:35 am

1 stop19h 35m

$518

PortlandLondon

PWM - LHR

PWMLHR

Portland

dom. 12/15

11:24 am-11:50 am

3 stops19h 26m

$524

PortlandLondon

PWM - LHR

PWMLHR

Portland

jue. 12/26

5:05 am-6:50 am

1 stop20h 45m

$578

Flights are sorted by cheapest first

Deals found on 10/30

Showing 1-10 of 41 results
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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 $649). Flying from Portland, Maine to United Kingdom in June is currently the most expensive (average of $1,089). 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 octubre 31, 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 octubre 31, 2024.
Read through reviews of airlines operating flights from Portland to United Kingdom, such as KLM, American Airlines and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,835 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

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
8,835 reviews
Delta
8.0
Very good
8,835 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 10

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

KLM
7.8
Good
1,352 reviews
Delta
8.0
Very good
8,835 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 10

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

Virgin Atlantic
7.6
Good
667 reviews
Delta
8.0
Very good
8,835 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 10

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

JetBlue
7.5
Good
3,514 reviews
Delta
8.0
Very good
8,835 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 10

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

Air France
7.4
Good
1,531 reviews
Delta
8.0
Very good
8,835 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

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.

  • Can I find flights from Portland, Maine to United Kingdom for under $700 on Cheapflights?

    Yes, there are multiple flights from Portland, Maine to United Kingdom for under $700. The cheapest flight booked recently is on Scandinavian Airlines for just $662, but on average you can expect to pay $804.

  • What are the cheapest airlines to fly from Portland, Maine to United Kingdom one-way?

    For one-way options, check prices for Scandinavian Airlines. According to our data, you can fly for as low as $429. Users have also found prices from $502 and $508 on United Airlines and Air Canada, respectively.

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

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

  • What does PWM to LHR mean?

    Great question - PWM to LHR just means Portland Airport to London Heathrow Airport. Now you’ll know what these unique codes when you look for flights! This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Manchester Airport (MAN), Edinburgh Turnhouse Airport (EDI), Birmingham Airport (BHX), London Gatwick Airport (LGW), Glasgow Intl Airport (GLA).

  • Can I find deals for flights from Portland to United Kingdom that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to United Kingdom flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to United Kingdom with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to United Kingdom flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Portland to United Kingdom that allow pets onboard?

    Many airlines flying from Portland to United Kingdom offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to United Kingdom?

    Yes, you can often find last-minute deals on Portland to United Kingdom flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland, Maine to United Kingdom flight deals updated?

    The Portland, Maine to United Kingdom flight deals you see on this page were last updated on 10/31.

  • 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 $649). Flying from Portland, Maine to United Kingdom in June is currently the most expensive (average of $1,089). 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 4 airlines flying from Portland to United Kingdom

Discover the top 4 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 2,570,725 searches. Data last updated octubre 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$602Average$1,006FlexibilityNo cancel feeOn-time71%
DeltaCheapest$621Average$985FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$666Average$1,075FlexibilityNo cancel feeOn-time69%
KLMCheapest$680Average$910FlexibilityNo cancel feeOn-time75%
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