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Cheap flights from the United Kingdom to Portland, Maine from £438

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PWM
20 Jan — 27 Jan1
1 adult

Cheap flight deals from United Kingdom to Portland

Discover tips and strategies to find the most affordable flight options for your journey from United Kingdom (GB0) 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 15 January 2025.

Round-trip from

£515
Finnair
  • Finnair
  • 11/2-18/2
  • 2 total stops
  • 32h 18m total
  • United Kingdom to Portland

Find flight deals from United Kingdom to Portland

Cheapest flights from United Kingdom to Portland
Explore the most affordable flight options available from United Kingdom to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 January 2025.

Wed 10/907:25LHR - PWM
1 stop14h 30mJetBlue
Tue 16/917:50PWM - LHR
1 stop10h 40mJetBlue
Deal found 14/1£438
Tue 11/212:10LHR - PWM
1 stop16h 47mFinnair
Tue 18/212:49PWM - LHR
1 stop15h 31mFinnair
Deal found 14/1£515
Tue 18/212:30LHR - PWM
1 stop16h 25mKLM
Tue 25/215:04PWM - LHR
1 stop15h 06mKLM
Deal found 14/1£517
Wed 12/214:30LHR - PWM
1 stop14h 25mVirgin Atlantic
Wed 19/205:34PWM - LHR
1 stop24h 01mVirgin Atlantic
Deal found 13/1£520
Tue 11/206:30LHR - PWM
2 stops22h 27mDelta
Tue 18/216:46PWM - LHR
2 stops22h 24mDelta
Deal found 14/1£522
Tue 11/212:10LHR - PWM
1 stop16h 47mMultiple Airlines
Tue 18/205:45PWM - LHR
1 stop19h 50mMultiple Airlines
Deal found 14/1£531
Tue 23/910:05LHR - PWM
1 stop11h 51mAmerican Airlines
Mon 29/918:46PWM - LHR
1 stop10h 34mAmerican Airlines
Deal found 14/1£539
Thu 27/208:55LHR - PWM
2 stops19h 20mUnited Airlines
Thu 6/306:10PWM - LHR
2 stops20h 00mUnited Airlines
Deal found 13/1£592
Wed 17/918:00LHR - PWM
1 stop28h 30mAustrian Airlines
Fri 26/912:47PWM - LHR
1 stop12h 58mAustrian Airlines
Deal found 14/1£621
Mon 7/718:05LHR - PWM
2 stops26h 04mBritish Airways
Sun 27/718:30PWM - LHR
1 stop33h 30mBritish Airways
Deal found 13/1£652
Fri 28/214:00MAN - PWM
1 stop29h 22mDelta
Fri 7/315:04PWM - MAN
2 stops23h 56mDelta
Deal found 13/1£673
Wed 12/206:40LHR - PWM
2 stops22h 17mScandinavian Airlines
Wed 19/215:04PWM - LHR
3 stops20h 56mScandinavian Airlines
Deal found 13/1£793

Find flights from United Kingdom to Portland within your budget

Customise your flight search to find flights from United Kingdom 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 858,174 searches. Data last updated 15 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 11/2

12:10-23:57

1 stop16h 47m

Portland

Tue 18/2

12:49-09:20

1 stop15h 31m

£515

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 18/2

12:30-23:55

1 stop16h 25m

Portland

Tue 25/2

15:04-11:10

1 stop15h 06m

£517

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 12/2

14:30-23:55

1 stop14h 25m

Portland

Wed 19/2

05:34-10:35

1 stop24h 01m

£520

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 11/2

06:30-23:57

2 stops22h 27m

Portland

Tue 18/2

16:46-20:10

2 stops22h 24m

£522

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 11/2

12:10-23:57

1 stop16h 47m

Portland

Tue 18/2

05:45-06:35

1 stop19h 50m

£531

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 27/2

08:55-23:15

2 stops19h 20m

Portland

Thu 6/3

06:10-07:10

2 stops20h 00m

£592

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Fri 28/2

14:00-14:22

1 stop29h 22m

Portland

Fri 7/3

15:04-20:00

2 stops23h 56m

£673

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 12/2

06:40-23:57

2 stops22h 17m

Portland

Wed 19/2

15:04-17:00

3 stops20h 56m

£793

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Fri 28/2

06:25-14:31

2 stops37h 06m

Portland

Fri 7/3

06:00-10:20

2 stops23h 20m

£812

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Wed 4/6

11:35-14:59

1 stop32h 24m

Portland

Wed 27/8

16:16-14:40

2 stops17h 24m

£878

Flights are sorted by cheapest return flights first.

Deals found on 14/1

Showing 1-10 of 19 results
1
2

Best time to book a flight from United Kingdom to Portland

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

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

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

Find hourly flight availability from United Kingdom to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 January 2025.

When flying from United Kingdom to Portland, Maine, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 73.0 - 115.0 inches per month. November is typically the wettest month, when rainfall can reach 115.0 mm. August is typically the driest time to visit Portland, Maine when rainfall is around 73.0 mm.

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 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 15 January 2025.
Get a feel of what it's like to fly with Delta, United Airlines and KLM from United Kingdom to Portland by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,508 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

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

8.0
Very Good
8,508 reviews
8.0
Very Good
8,508 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

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

7.8
Good
1,336 reviews
8.0
Very Good
8,508 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

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

7.6
Good
1,285 reviews
8.0
Very Good
8,508 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

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

7.6
Good
784 reviews
8.0
Very Good
8,508 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

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

7.5
Good
664 reviews
8.0
Very Good
8,508 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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 United Kingdom 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 United Kingdom?

    If you book a flight to Portland from United Kingdom, you will be flying to Portland, which is the city’s only airport. Portland (PWM) is located 2.9 mi from the center of Portland.

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

    To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at £1,880. Air France flights start at £2,208 while deals on Air Canada start at £2,381 one-way.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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.

See more FAQs

Travelling to a place near the United Kingdom?

Book flights to the United Kingdom if you plan to visit one of these locations
Bath

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Top 5 airlines flying from United Kingdom to Portland

Discover the top 5 airlines that operate flights from United Kingdom to Portland. 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 858,174 searches. Data last updated 15 January 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£501Average£801FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£527Average£756FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£531Average£802FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£576Average£882FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£673Average£968FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Portland?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom to Portland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Portland?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to Portland.

Can Cheapflights find flights from United Kingdom to Portland with no change fees?

Yes! Cheapflights helps users easily find flights from United Kingdom to Portland with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to Portland become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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