What are the cheapest airlines to fly from United Kingdom 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 £513. KLM flights start at £1,081 while deals on Virgin Atlantic start at £1,087 one-way.

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

While some choose either Edinburgh Turnhouse - Portland or Manchester - Portland, London Heathrow - Portland is the most popular route from United Kingdom to Portland, Maine.

What are the most popular airlines that fly from United Kingdom to Portland, Maine?

The most popular airlines flying from United Kingdom to Portland, Maine are Finnair, JetBlue and Icelandair. Something to consider prior to booking your flight.

How far in advance should I book a flight from United Kingdom to Portland, Maine?

To save up to 88% on this flight, we recommend booking at least 30 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from United Kingdom to Portland, Maine from £466 1-2 weeks out and tickets from £891 for flights departing within the next 72 hours.

What is the cheapest month to fly from United Kingdom to Portland, Maine?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, February can be a great choice for travel to Portland, Maine. Flights to Portland, Maine from United Kingdom in February are about £658 on average during February, but can be found for as low as £484.

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.

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.

£757+ Flights from the United Kingdom to Portland, Maine

Cheap flight deals from United Kingdom to Portland

Round-trip from	£492
One-way from	£427
Popular in	August
Cheapest in	February
Average price	£668

JetBlue
2/10-6/10
2 total stops
29h 19m total
United Kingdom to Portland

Search Deals

5/6
3 total stops
42h 53m total
United Kingdom to Portland

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£51 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 29 April 2025.

Thu 2/1011:55LHR - PWM

1 stop15h 04mJetBlue

Mon 6/1014:15PWM - LHR

1 stop14h 15mJetBlue

Deal found 28/4£492

Thu 2/1008:25LHR - PWM

2 stops18h 34mIcelandair

Mon 6/1007:30PWM - LHR

1 stop21h 00mIcelandair

Deal found 29/4£538

Fri 9/511:20LHR - PWM

1 stop17h 39mKLM

Thu 15/514:30PWM - LHR

1 stop13h 45mKLM

Deal found 29/4£569

Fri 9/511:45LHR - PWM

2 stops17h 29mDelta

Thu 15/514:30PWM - LHR

1 stop15h 55mDelta

Deal found 29/4£583

Thu 18/914:40MAN - PWM

1 stop12h 19mMultiple Airlines

Thu 2/1007:30PWM - MAN

1 stop18h 20mMultiple Airlines

Deal found 28/4£624

Thu 2/1006:30LHR - PWM

2 stops17h 07mUnited Airlines

Mon 6/1015:13PWM - LHR

2 stops14h 27mUnited Airlines

Deal found 28/4£650

Tue 27/507:05LHR - PWM

2 stops22h 09mScandinavian Airlines

Tue 3/614:30PWM - LHR

2 stops22h 10mScandinavian Airlines

Deal found 28/4£656

Thu 18/914:15MAN - PWM

1 stop14h 16mKLM

Thu 2/1012:50PWM - MAN

2 stops14h 30mKLM

Deal found 28/4£686

Thu 12/606:00LHR - PWM

3 stops22h 30mMultiple Airlines

Thu 19/617:35PWM - LHR

2 stops32h 00mMultiple Airlines

Deal found 28/4£691

Sun 1/609:35LHR - PWM

2 stops19h 24mVirgin Atlantic

Tue 10/612:55PWM - LHR

1 stop19h 35mVirgin Atlantic

Deal found 29/4£699

Sat 20/911:50MAN - PWM

2 stops30h 32mUnited Airlines

Sat 4/1016:56PWM - MAN

2 stops35h 54mUnited Airlines

Deal found 28/4£730

Sat 20/914:15MAN - PWM

1 stop28h 37mDelta

Sat 4/1014:35PWM - MAN

2 stops16h 20mDelta

Deal found 28/4£733

Best flights from United Kingdom to Portland
Discover carefully curated flight deals from United Kingdom to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 April 2025.

Thu 2/1011:55LHR - PWM

1 stop15h 04mJetBlue

Mon 6/1014:15PWM - LHR

1 stop14h 15mJetBlue

Deal found 28/4£492

Thu 2/1008:25LHR - PWM

2 stops18h 34mIcelandair

Mon 6/1007:30PWM - LHR

1 stop21h 00mIcelandair

Deal found 29/4£538

Fri 9/511:20LHR - PWM

1 stop17h 39mKLM

Thu 15/514:30PWM - LHR

1 stop13h 45mKLM

Deal found 29/4£569

Fri 9/511:45LHR - PWM

2 stops17h 29mDelta

Thu 15/514:30PWM - LHR

1 stop15h 55mDelta

Deal found 29/4£583

Thu 18/914:40MAN - PWM

1 stop12h 19mMultiple Airlines

Thu 2/1007:30PWM - MAN

1 stop18h 20mMultiple Airlines

Deal found 28/4£624

Thu 2/1009:30LHR - PWM

2 stops14h 07mUnited Airlines

Mon 6/1014:22PWM - LHR

1 stop11h 33mUnited Airlines

Deal found 28/4£650

Tue 27/507:05LHR - PWM

2 stops22h 09mScandinavian Airlines

Tue 3/614:30PWM - LHR

2 stops22h 10mScandinavian Airlines

Deal found 28/4£656

Sun 1/609:35LHR - PWM

2 stops19h 24mVirgin Atlantic

Tue 10/612:55PWM - LHR

1 stop19h 35mVirgin Atlantic

Deal found 29/4£699

Thu 2/1008:30LHR - PWM

3 stops19h 31mAir Canada

Mon 6/1008:00PWM - LHR

3 stops17h 30mAir Canada

Deal found 28/4£958

Sun 6/722:25LHR - PWM

2 stops30h 12mTurkish Airlines

Sat 12/706:10PWM - LHR

2 stops22h 40mTurkish Airlines

Deal found 28/4£1,106

Thu 18/914:15MAN - PWM

1 stop14h 16mKLM

Thu 2/1012:50PWM - MAN

2 stops14h 30mKLM

Deal found 28/4£686

Thu 12/606:00LHR - PWM

3 stops22h 30mMultiple Airlines

Thu 19/617:35PWM - LHR

2 stops32h 00mMultiple Airlines

Deal found 28/4£691

Last-minute flights from United Kingdom to Portland
Discover last-minute flight deals from United Kingdom to Portland. Data last updated 29 April 2025 and is based on user searches.

Thu 8/508:15LHR - PWM

1 stop11h 25mJetBlue

Fri 16/515:35PWM - LHR

1 stop12h 55mJetBlue

Deal found 28/4£596

Thu 8/513:05LHR - PWM

2 stops14h 54mMultiple Airlines

Fri 16/515:35PWM - LHR

2 stops15h 20mMultiple Airlines

Deal found 28/4£700

Thu 8/508:40LHR - PWM

3 stops19h 47mAir Canada

Fri 16/506:00PWM - LHR

3 stops19h 30mAir Canada

Deal found 28/4£1,257

Fri 9/511:20LHR - PWM

1 stop17h 39mKLM

Thu 15/514:30PWM - LHR

1 stop13h 45mKLM

Deal found 29/4£569

Fri 9/511:45LHR - PWM

2 stops17h 29mDelta

Thu 15/514:30PWM - LHR

1 stop15h 55mDelta

Deal found 29/4£583

Tue 27/508:15LHR - PWM

1 stop11h 25mJetBlue

Tue 3/615:06PWM - LHR

1 stop13h 24mJetBlue

Deal found 28/4£553

Tue 27/507:05LHR - PWM

2 stops22h 09mScandinavian Airlines

Tue 3/614:30PWM - LHR

2 stops22h 10mScandinavian Airlines

Deal found 28/4£656

One-way flights from United Kingdom to Portland
Search for one-way flight options from United Kingdom to Portland. Find affordable one-way fares based on user searches. Data last updated 29 April 2025.

Thu 5/622:00LHR - PWM

3 stops42h 53mMultiple Airlines

Deal found 29/4£427

Wed 14/508:15LHR - PWM

1 stop11h 25mJetBlue

Deal found 28/4£513

Thu 2/1017:55MAN - PWM

3 stops44h 29mMultiple Airlines

Deal found 29/4£876

Thu 2/1005:55MAN - PWM

2 stops15h 15mKLM

Deal found 29/4£1,081

Thu 2/1012:35MAN - PWM

1 stop16h 13mVirgin Atlantic

Deal found 29/4£1,087

Wed 14/507:05LHR - PWM

3 stops22h 09mScandinavian Airlines

Deal found 28/4£1,891

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 2/10

11:55-21:59

1 stop15h 04m

Portland

Mon 6/10

14:15-09:30

1 stop14h 15m

£492

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 2/10

08:25-21:59

2 stops18h 34m

Portland

Mon 6/10

07:30-09:30

1 stop21h 00m

£538

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 9/5

11:20-23:59

1 stop17h 39m

Portland

Thu 15/5

14:30-09:15

1 stop13h 45m

£569

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 9/5

11:45-00:14

2 stops17h 29m

Portland

Thu 15/5

14:30-11:25

1 stop15h 55m

£583

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Thu 18/9

14:40-21:59

1 stop12h 19m

Portland

Thu 2/10

07:30-06:50

1 stop18h 20m

£624

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 2/10

06:30-18:37

2 stops17h 07m

Portland

Mon 6/10

15:13-10:40

2 stops14h 27m

£650

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 27/5

07:05-00:14

2 stops22h 09m

Portland

Tue 3/6

14:30-17:40

2 stops22h 10m

£656

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Thu 18/9

14:15-23:31

1 stop14h 16m

Portland

Thu 2/10

12:50-08:20

2 stops14h 30m

£686

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 12/6

06:00-23:30

3 stops22h 30m

Portland

Thu 19/6

17:35-06:35

2 stops32h 00m

£691

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Sun 1/6

09:35-23:59

2 stops19h 24m

Portland

Tue 10/6

12:55-13:30

1 stop19h 35m

£699

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 23 results

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.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Portland

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

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

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

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 a feel of what it's like to fly with Delta, KLM and United Airlines 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.

Delta

8.0

Very Good

7,929 reviews

Check prices

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

7,929 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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

1,333 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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

7.4

Good

642 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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

JetBlue

7.3

Good

2,922 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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

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 JetBlue, which is currently one of the cheapest options available, starting at £513. KLM flights start at £1,081 while deals on Virgin Atlantic start at £1,087 one-way.
What are the most popular routes from United Kingdom to Portland, Maine?
While some choose either Edinburgh Turnhouse - Portland or Manchester - Portland, London Heathrow - Portland is the most popular route 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

Bath

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Alternative routes for United Kingdom to Portland

Heathrow to Boston flights

Gatwick to Boston flights

London City to Boston flights

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Manchester to Boston flights

Edinburgh to Boston flights

Luton to Boston flights

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Birmingham to Boston flights

Glasgow Intl to Boston flights

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Aberdeen to Boston flights

Vicenza to Boston flights

Newcastle upon Tyne to Boston flights

Istanbul to Boston flights

Southampton to Boston flights

Norwich to Boston flights

Charles de Gaulle to Boston flights

Leeds to Boston flights

Bristol to Boston flights

Heathrow to Portland flights

East Midlands to Boston flights

Southend to Boston flights

Madrid to Boston flights

Inverness to Boston flights

Liverpool to Boston flights

Dublin to Boston flights

Heathrow to Bangor flights

Barcelona-El Prat to Boston flights

Edinburgh to Portland flights

Manchester to Portland flights

Newcastle upon Tyne to Portland flights

Munich to Boston flights

Athens to Boston flights

Newquay to Boston flights

Darlington to Boston flights

Doncaster to Boston flights

Cardiff to Boston flights

Amsterdam to Boston flights

Direct flights to United States

Top 6 airlines flying from United Kingdom to Portland

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£386	Average£590	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
JetBlue	Cheapest£401	Average£612	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Virgin Atlantic	Cheapest£472	Average£750	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Finnair	Cheapest£481	Average£638	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
KLM	Cheapest£485	Average£779	FlexibilityNo cancel fee	On-time75%	Search KLM flights
United Airlines	Cheapest£537	Average£847	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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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Cheap flights from the United Kingdom to Portland, Maine from £427

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to Portland

Keep the following information in mind while searching for United Kingdom to Portland flight deals. Data was last updated 29 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from United Kingdom to Portland

Cheapest flights from United Kingdom to PortlandExplore 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 29 April 2025.

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 29 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Portland that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Portland

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 29 April 2025.

Rainfall in Portland by month

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

Temperature in Portland by month

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

Reviews of airlines servicing Portland

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?

What are the cheapest airlines to fly from United Kingdom to Portland, Maine 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?

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

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

Travelling to a place near the United Kingdom?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for United Kingdom to Portland

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

Top 6 airlines flying from United Kingdom to Portland

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?

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

Can Cheapflights 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?

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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 29 April 2025.