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Portland

$646+ Cheap flights from Heathrow (LHR) to Portland, ME (PWM)

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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PWM
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Heathrow to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Portland (PWM). 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 January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$699
(United Airlines)

One-way from

$646
(JetBlue)

Popular in

July

Cheapest in

January

Average price

$694
Provider with most accurate pricing for London Heathrow-Portland flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Portland flights.
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From London Heathrow to Portland
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One-way flight from London Heathrow to Portland
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Highest demand for flights based on searches. 17% potential increase in price ($181 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Heathrow to Portland

Cheapest flights from Heathrow to Portland
Explore the most affordable flight options available from Heathrow to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2025.

This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/512:05 pmLHR - PWM
2 stops16h 10mUnited Airlines
Wed 3/269:34 amPWM - LHR
1 stop17h 06mUnited Airlines
Deal found 1/29$699
This World Air Fares deal was found by Cheapflights users on 1/30. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/310:00 amLHR - PWM
1 stop13h 31mAustrian Airlines
Tue 3/1111:20 amPWM - LHR
1 stop15h 00mAustrian Airlines
Deal found 1/30$728
This Expedia deal was found by Cheapflights users on 1/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3011:55 amLHR - PWM
1 stop15h 02mJetBlue
Wed 6/186:10 amPWM - LHR
1 stop9h 35mJetBlue
Deal found 1/29$748
This The Travel House deal was found by Cheapflights users on 1/30. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2511:45 amLHR - PWM
2 stops17h 06mFinnair
Tue 3/42:29 pmPWM - LHR
2 stops12h 21mFinnair
Deal found 1/30$752
This The Travel House deal was found by Cheapflights users on 1/29. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/287:10 amLHR - PWM
2 stops21h 05mLufthansa
Fri 3/77:20 pmPWM - LHR
1 stop30h 20mLufthansa
Deal found 1/29$777
This TravelUp deal was found by Cheapflights users on 1/30. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2512:30 pmLHR - PWM
1 stop16h 25mKLM
Tue 3/43:04 pmPWM - LHR
1 stop15h 06mKLM
Deal found 1/30$802
This Expedia deal was found by Cheapflights users on 1/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/303:15 pmLHR - PWM
1 stop13h 44mVirgin Atlantic
Wed 6/186:55 pmPWM - LHR
2 stops30h 25mVirgin Atlantic
Deal found 1/29$821
This Delta deal was found by Cheapflights users on 1/29. 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.
Fri 2/288:40 amLHR - PWM
2 stops20h 15mDelta
Fri 3/74:46 pmPWM - LHR
2 stops22h 24mDelta
Deal found 1/29$831
This Netflights deal was found by Cheapflights users on 1/29. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1010:00 amLHR - PWM
2 stops18h 57mMultiple Airlines
Mon 2/175:34 amPWM - LHR
1 stop25h 06mMultiple Airlines
Deal found 1/29$974
This Scandinavian Airlines deal was found by Cheapflights users on 1/30. 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.
Mon 3/36:40 amLHR - PWM
2 stops22h 16mScandinavian Airlines
Tue 3/113:00 pmPWM - LHR
3 stops21h 25mScandinavian Airlines
Deal found 1/30$983
This Air Canada deal was found by Cheapflights users on 1/30. 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.
Thu 2/279:00 amLHR - PWM
3 stops19h 15mAir Canada
Thu 3/611:20 amPWM - LHR
3 stops18h 00mAir Canada
Deal found 1/30$1,276

Find flights from Heathrow to Portland within your budget

Customize your flight search to find flights from Heathrow to Portland 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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 3/5

12:05 pm-11:15 pm

2 stops16h 10m

Portland

Wed 3/26

9:34 am-6:40 am

1 stop17h 06m

$699

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 3/3

10:00 am-6:31 pm

1 stop13h 31m

Portland

Tue 3/11

11:20 am-6:20 am

1 stop15h 00m

$728

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 4/30

11:55 am-9:57 pm

1 stop15h 02m

Portland

Wed 6/18

6:10 am-8:45 pm

1 stop9h 35m

$748

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 2/25

11:45 am-11:51 pm

2 stops17h 06m

Portland

Tue 3/4

4:13 pm-9:20 am

1 stop12h 07m

$752

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 2/28

7:10 am-11:15 pm

2 stops21h 05m

Portland

Fri 3/7

7:20 pm-6:40 am

1 stop30h 20m

$777

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 2/25

12:30 pm-11:55 pm

1 stop16h 25m

Portland

Tue 3/4

3:04 pm-11:10 am

1 stop15h 06m

$802

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 4/30

3:15 pm-11:59 pm

1 stop13h 44m

Portland

Wed 6/18

6:55 pm-6:20 am

2 stops30h 25m

$821

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 2/28

8:40 am-11:55 pm

2 stops20h 15m

Portland

Fri 3/7

4:46 pm-8:10 pm

2 stops22h 24m

$831

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 2/10

10:00 am-11:57 pm

2 stops18h 57m

Portland

Mon 2/17

5:34 am-11:40 am

1 stop25h 06m

$974

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 3/3

6:40 am-11:56 pm

2 stops22h 16m

Portland

Tue 3/11

3:00 pm-4:25 pm

3 stops21h 25m

$983

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 19 results
1
2
  • Most accurate provider: When it comes to deals on London Heathrow Airport-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Portland, Maine flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Portland, Maine flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Heathrow 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 Heathrow to Portland

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

What is the cheapest month to book a flight from London Heathrow Airport to Portland, Maine?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Portland, Maine (average of $296). Flying from London Heathrow Airport to Portland, Maine in April is currently the most expensive (average of $498). 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.

Rainfall in Portland by month

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

In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.

Temperature in Portland by month

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

If weather is an important factor for your trip to Portland, Maine, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated January 30, 2025.
Delta
8.0
Very good
8,454 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,454 reviews
Delta
8.0
Very good
8,454 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,335 reviews
Delta
8.0
Very good
8,454 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,454 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.5
Good
786 reviews
Delta
8.0
Very good
8,454 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
657 reviews
Delta
8.0
Very good
8,454 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Portland. 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 into for flights to Portland from London Heathrow?

    Located just 2.9 mi from the city center, Portland is the airport most travelers will use when flying to Portland from London Heathrow. Booking flights from London Heathrow to Portland (PWM) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 0 different airlines.

  • What are the cheapest airlines flying from London Heathrow Airport to Portland, Maine round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Portland, Maine round-trip from $699. Other airlines that can offer you cheap pricing are Austrian Airlines, from $728, and JetBlue, from $748. You may be able to fly from London Heathrow Airport to Portland, Maine for 20% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from London Heathrow Airport to Portland, Maine one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $646. WestJet flights start at $779 while deals on Austrian Airlines start at $939 one-way.

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

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

  • How can I find direct flights from Heathrow to Portland?

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Portland 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 London Heathrow Airport to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Portland, Maine (average of $296). Flying from London Heathrow Airport to Portland, Maine in April is currently the most expensive (average of $498). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Bath
North Conway
Brunswick
Auburn
Conway
Lewiston

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Alternative routes for Heathrow to Portland

See prices for flight routes from nearby airports that may be better suited for you.
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