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$654+ Cheap flights from Heathrow (LHR) to Portland, ME (PWM)

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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PWM
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
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 December 19, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$654
(JetBlue)

Popular in

December

Cheapest in

January

Average price

$1,291
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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High demand for flights, 3% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in December 2024
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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 December 19, 2024.

This Austrian Airlines deal was found by Cheapflights users on 12/17. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/227:25 pmLHR - PWM
2 stops27h 59mAustrian Airlines
Wed 1/111:12 amPWM - LHR
1 stop14h 08mAustrian Airlines
Deal found 12/17$1,755
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/227:40 amLHR - PWM
2 stops20h 57mUnited Airlines
Wed 1/15:20 amPWM - LHR
2 stops20h 00mUnited Airlines
Deal found 12/17$1,783
This Air Canada deal was found by Cheapflights users on 12/17. 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.
Sun 12/229:00 amLHR - PWM
2 stops19h 37mMultiple Airlines
Wed 1/111:12 amPWM - LHR
3 stops19h 38mMultiple Airlines
Deal found 12/17$3,800
This The Travel House deal was found by Cheapflights users on 12/17. 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.
Wed 12/189:35 amLHR - PWM
2 stops19h 24mFinnair
Mon 12/2312:23 pmPWM - LHR
2 stops15h 12mFinnair
Deal found 12/17$9,036

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 December 19, 2024.

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Price

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 4/24

7:25 am-4:40 pm

1 stop14h 15m

Portland

Mon 4/28

5:35 pm-9:30 am

1 stop10h 55m

$654

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 1/15

7:30 am-4:52 pm

2 stops14h 22m

Portland

Wed 1/22

4:10 pm-11:15 am

1 stop14h 05m

$717

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 1/15

10:00 am-10:30 pm

1 stop17h 30m

Portland

Wed 1/22

11:36 am-8:25 am

1 stop15h 49m

$739

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 1/16

9:05 am-10:30 pm

2 stops42h 25m

Portland

Thu 1/23

11:36 am-6:55 am

1 stop14h 19m

$754

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 4/25

9:30 am-11:18 pm

2 stops18h 48m

Portland

Mon 4/28

12:25 pm-6:20 am

1 stop12h 55m

$770

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 4/25

11:45 am-11:34 pm

2 stops16h 49m

Portland

Sun 4/27

2:35 pm-8:05 am

1 stop12h 30m

$2,165

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 4/25

7:05 am-11:38 pm

2 stops21h 33m

Portland

Mon 4/28

2:35 pm-6:50 pm

3 stops23h 15m

$2,551

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

  • 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 December 19, 2024.
KLM
7.8
Good
1,349 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.9

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

KLM
7.8
Good
1,349 reviews
KLM
7.8
Good
1,349 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.9

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Austrian Airlines
7.6
Good
788 reviews
KLM
7.8
Good
1,349 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.9

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

JetBlue
7.4
Good
3,274 reviews
KLM
7.8
Good
1,349 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.9

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

United Airlines
7.4
Good
9,048 reviews
KLM
7.8
Good
1,349 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.9

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Scandinavian Airlines
7.3
Good
1,308 reviews
KLM
7.8
Good
1,349 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.9

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

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 $654. Other airlines that can offer you cheap pricing are United Airlines, from $717, and Austrian Airlines, from $754. You may be able to fly from London Heathrow Airport to Portland, Maine for 26% less than the average price by searching for these airlines.

  • 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.

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Alternative routes for Heathrow to Portland

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