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$687+ Cheap flights from Heathrow (LHR) to Portland (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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PWM
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
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 November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

January

Average price

$774

Round-trip from

$687
(Delta)
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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High demand for flights, 31% potential price rise
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Best time to find cheap flights, 20% potential price drop
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Average for round-trip flights in November 2024
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From London Heathrow to Portland
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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 November 21, 2024.

This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 12/1311:30 amLHR - PWM
2 stops17h 38mDelta
Tue 1/73:02 pmPWM - LHR
1 stop12h 43mDelta
Deal found 11/20$917
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2212:05 pmLHR - PWM
1 stop16h 54mUnited Airlines
Wed 1/15:20 amPWM - LHR
1 stop24h 45mUnited Airlines
Deal found 11/20$1,173
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2210:35 amLHR - PWM
2 stops17h 26mAmerican Airlines
Wed 1/14:15 pmPWM - LHR
2 stops12h 55mAmerican Airlines
Deal found 11/20$1,345
This Air Canada deal was found by Cheapflights users on 11/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/139:00 amLHR - PWM
3 stops18h 50mAir Canada
Tue 1/711:36 amPWM - LHR
3 stops17h 44mAir Canada
Deal found 11/20$1,675
This Air Canada deal was found by Cheapflights users on 11/20. 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 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 11/20$4,109

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 2,629,791 searches. Data last updated November 21, 2024.

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LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 2/10

11:45 am-11:57 pm

2 stops17h 12m

Portland

Mon 2/17

3:02 pm-6:25 am

1 stop10h 23m

$687

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 1/14

6:50 am-4:52 pm

2 stops15h 02m

Portland

Wed 1/22

11:36 am-7:10 am

2 stops14h 34m

$732

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 1/14

10:00 am-10:30 pm

1 stop17h 30m

Portland

Wed 1/22

11:36 am-6:55 am

1 stop14h 19m

$742

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 1/14

9:00 am-10:30 pm

3 stops18h 30m

Portland

Wed 1/22

11:36 am-7:10 am

2 stops14h 34m

$751

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 1/14

9:00 am-10:30 pm

3 stops18h 30m

Portland

Wed 1/22

11:36 am-11:50 am

3 stops19h 14m

$757

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 4/8

11:55 am-11:01 pm

1 stop16h 06m

Portland

Mon 4/14

5:30 pm-9:30 am

1 stop11h 00m

$912

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 4/10

7:05 am-11:31 pm

2 stops21h 26m

Portland

Sun 4/13

5:30 am-9:35 am

2 stops23h 05m

$1,314

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Sun 12/22

10:35 am-11:01 pm

2 stops17h 26m

Portland

Wed 1/1

4:15 pm-10:10 am

2 stops12h 55m

$1,345

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

  • 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 $295). Flying from London Heathrow Airport to Portland, Maine in April is currently the most expensive (average of $497). 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 November 21, 2024.
Delta
8.0
Very good
8,758 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,758 reviews
Delta
8.0
Very good
8,758 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
805 reviews
Delta
8.0
Very good
8,758 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 10

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

JetBlue
7.5
Good
3,396 reviews
Delta
8.0
Very good
8,758 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
9,172 reviews
Delta
8.0
Very good
8,758 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Scandinavian Airlines
7.3
Good
1,301 reviews
Delta
8.0
Very good
8,758 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 10

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 $687. Other airlines that can offer you cheap pricing are United Airlines, from $732, and Austrian Airlines, from $742. You may be able to fly from London Heathrow Airport to Portland, Maine for 21% 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 $295). Flying from London Heathrow Airport to Portland, Maine in April is currently the most expensive (average of $497). 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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