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

While some choose either Manchester - Portland or Edinburgh Turnhouse - 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 £546 1-2 weeks out and tickets from £876 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 £650 on average during February, but can be found for as low as £476.

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.

£830+ Flights from the United Kingdom to Portland, Maine

Cheap flight deals from United Kingdom to Portland

Round-trip from	£467
Popular in	August
Cheapest in	February
Average price	£726

Air France
27/8-11/9
2 total stops
26h 58m total
United Kingdom to Portland

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (£47 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 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 12 June 2025.

Wed 27/816:05LHR - PWM

1 stop13h 43mMultiple Airlines

Thu 11/912:30PWM - LHR

1 stop13h 15mMultiple Airlines

Deal found 11/6£467

Wed 27/810:55LHR - PWM

2 stops18h 08mVirgin Atlantic

Thu 11/905:40PWM - LHR

2 stops19h 40mVirgin Atlantic

Deal found 11/6£468

Tue 2/1208:45LHR - PWM

2 stops19h 32mUnited Airlines

Wed 17/1206:00PWM - LHR

1 stop10h 20mUnited Airlines

Deal found 11/6£556

Wed 16/711:55LHR - PWM

1 stop17h 22mJetBlue

Mon 28/706:05PWM - LHR

1 stop9h 40mJetBlue

Deal found 10/6£573

Tue 2/1211:45LHR - PWM

2 stops15h 43mAmerican Airlines

Wed 17/1213:09PWM - LHR

2 stops11h 46mAmerican Airlines

Deal found 11/6£588

Wed 9/709:55LHR - PWM

2 stops20h 02mDelta

Wed 16/718:54PWM - LHR

1 stop13h 36mDelta

Deal found 11/6£634

Thu 2/1012:35MAN - PWM

1 stop16h 28mDelta

Mon 6/1014:35PWM - MAN

2 stops15h 35mDelta

Deal found 11/6£679

Wed 27/807:05LHR - PWM

2 stops22h 43mScandinavian Airlines

Thu 11/906:30PWM - LHR

3 stops21h 50mScandinavian Airlines

Deal found 11/6£839

Thu 14/811:55LHR - PWM

1 stop16h 42mIcelandair

Sun 17/806:10PWM - LHR

2 stops43h 20mIcelandair

Deal found 10/6£879

Sun 6/718:30LHR - PWM

2 stops34h 47mTurkish Airlines

Sat 12/706:05PWM - LHR

2 stops24h 40mTurkish Airlines

Deal found 9/6£957

Wed 9/706:00LHR - PWM

3 stops22h 14mAir Canada

Wed 16/707:28PWM - LHR

3 stops18h 02mAir Canada

Deal found 11/6£1,278

Sun 6/719:30LHR - PWM

2 stops27h 56mAustrian Airlines

Sat 12/710:51PWM - LHR

1 stop14h 04mAustrian Airlines

Deal found 9/6£1,625

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 12 June 2025.

Wed 27/816:05LHR - PWM

1 stop13h 43mMultiple Airlines

Thu 11/912:30PWM - LHR

1 stop13h 15mMultiple Airlines

Deal found 11/6£467

Wed 27/810:55LHR - PWM

2 stops18h 08mVirgin Atlantic

Thu 11/905:40PWM - LHR

2 stops19h 40mVirgin Atlantic

Deal found 11/6£468

Tue 2/1208:45LHR - PWM

2 stops19h 32mUnited Airlines

Wed 17/1206:00PWM - LHR

1 stop10h 20mUnited Airlines

Deal found 11/6£556

Wed 16/711:55LHR - PWM

1 stop17h 22mJetBlue

Mon 28/706:05PWM - LHR

1 stop9h 40mJetBlue

Deal found 10/6£573

Tue 2/1211:45LHR - PWM

2 stops15h 43mAmerican Airlines

Wed 17/1213:09PWM - LHR

2 stops11h 46mAmerican Airlines

Deal found 11/6£588

Wed 9/706:30LHR - PWM

2 stops16h 29mDelta

Wed 16/712:51PWM - LHR

2 stops14h 59mDelta

Deal found 11/6£634

Wed 27/807:05LHR - PWM

2 stops22h 43mScandinavian Airlines

Thu 11/906:30PWM - LHR

3 stops21h 50mScandinavian Airlines

Deal found 11/6£839

Thu 14/811:55LHR - PWM

1 stop16h 42mIcelandair

Sun 17/806:10PWM - LHR

2 stops43h 20mIcelandair

Deal found 10/6£879

Sun 6/718:30LHR - PWM

2 stops34h 47mTurkish Airlines

Sat 12/706:05PWM - LHR

2 stops24h 40mTurkish Airlines

Deal found 9/6£957

Wed 9/706:00LHR - PWM

3 stops22h 14mAir Canada

Wed 16/707:28PWM - LHR

3 stops18h 02mAir Canada

Deal found 11/6£1,278

Sun 6/719:30LHR - PWM

2 stops27h 56mAustrian Airlines

Sat 12/710:51PWM - LHR

1 stop14h 04mAustrian Airlines

Deal found 9/6£1,625

Last-minute flights from United Kingdom to Portland
Discover last-minute flight deals from United Kingdom to Portland. Data last updated 12 June 2025 and is based on user searches.

Tue 17/611:55LHR - PWM

1 stop30h 28mIcelandair

Sun 5/1014:17PWM - LHR

1 stop25h 28mIcelandair

Deal found 12/6£725

Sun 6/718:30LHR - PWM

2 stops34h 47mTurkish Airlines

Sat 12/706:05PWM - LHR

2 stops24h 40mTurkish Airlines

Deal found 9/6£957

Sun 6/719:30LHR - PWM

2 stops27h 56mAustrian Airlines

Sat 12/710:51PWM - LHR

1 stop14h 04mAustrian Airlines

Deal found 9/6£1,625

Wed 9/709:55LHR - PWM

2 stops20h 02mDelta

Wed 16/718:54PWM - LHR

1 stop13h 36mDelta

Deal found 11/6£634

Wed 9/706:40LHR - PWM

3 stops23h 17mScandinavian Airlines

Wed 16/706:30PWM - LHR

2 stops28h 30mScandinavian Airlines

Deal found 11/6£1,072

Wed 9/706:00LHR - PWM

3 stops22h 14mAir Canada

Wed 16/707:28PWM - LHR

3 stops18h 02mAir Canada

Deal found 11/6£1,278

Wed 16/711:55LHR - PWM

1 stop17h 22mJetBlue

Mon 28/706:05PWM - LHR

1 stop9h 40mJetBlue

Deal found 10/6£573

Wed 16/710:55LHR - PWM

2 stops18h 43mVirgin Atlantic

Mon 28/713:07PWM - LHR

2 stops17h 18mVirgin Atlantic

Deal found 10/6£631

Fri 25/713:10LHR - PWM

1 stop14h 42mMultiple Airlines

Fri 1/812:40PWM - LHR

1 stop13h 00mMultiple Airlines

Deal found 10/6£912

Sat 26/708:30LHR - PWM

2 stops19h 44mUnited Airlines

Sat 2/816:56PWM - LHR

1 stop13h 49mUnited Airlines

Deal found 11/6£960

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 12 June 2025.

Wed 18/611:55LHR - PWM

1 stop16h 57mJetBlue

Deal found 10/6£610

Wed 18/619:10LHR - PWM

3 stops57h 42mMultiple Airlines

Deal found 10/6£625

Sat 5/711:20LHR - PWM

2 stops31h 03mTurkish Airlines

Deal found 10/6£784

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

Wed 27/8

16:05-00:48

1 stop13h 43m

Portland

Thu 11/9

12:30-06:45

1 stop13h 15m

£467

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 27/8

10:55-00:03

2 stops18h 08m

Portland

Thu 11/9

05:40-06:20

2 stops19h 40m

£468

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 2/12

08:45-23:17

2 stops19h 32m

Portland

Wed 17/12

06:00-21:20

1 stop10h 20m

£556

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 16/7

11:55-00:17

1 stop17h 22m

Portland

Mon 28/7

06:05-20:45

1 stop9h 40m

£573

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 2/12

11:45-22:28

2 stops15h 43m

Portland

Wed 17/12

13:09-05:55

2 stops11h 46m

£588

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 9/7

09:55-00:57

2 stops20h 02m

Portland

Wed 16/7

18:54-13:30

1 stop13h 36m

£634

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Thu 2/10

12:35-00:03

1 stop16h 28m

Portland

Mon 6/10

14:35-11:10

2 stops15h 35m

£679

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 27/8

07:05-00:48

2 stops22h 43m

Portland

Thu 11/9

06:30-09:20

3 stops21h 50m

£839

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 14/8

11:55-23:37

1 stop16h 42m

Portland

Sun 17/8

06:10-06:30

2 stops43h 20m

£879

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Sun 6/7

18:30-00:17

2 stops34h 47m

Portland

Sat 12/7

06:05-11:45

2 stops24h 40m

£957

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 16 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

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,950 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Austrian Airlines

7.6

Good

802 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

652 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

JetBlue

7.3

Good

2,925 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 most popular routes from United Kingdom to Portland, Maine?
While some choose either Manchester - Portland or Edinburgh Turnhouse - 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for United Kingdom to Portland

Heathrow to Boston flights

Gatwick to Boston flights

London City to Boston flights

Stansted to Boston flights

Luton to Boston flights

Edinburgh to Boston flights

Manchester to Boston flights

Birmingham to Boston flights

Glasgow Intl to Boston flights

Leeds to Boston flights

Dublin to Boston flights

Heathrow to Bangor flights

Newcastle upon Tyne to Boston flights

Bristol to Boston flights

Liverpool to Boston flights

East Midlands to Boston flights

Charles de Gaulle to Boston flights

Cardiff to Boston flights

Heathrow to Portland flights

Belfast Intl to Boston flights

Belfast City to Boston flights

Madrid to Boston flights

Amsterdam to Boston flights

Aberdeen to Boston flights

Manchester to Portland flights

Darlington to Boston flights

Southend to Boston flights

Southampton to Boston flights

Vicenza to Boston flights

Istanbul to Boston flights

Barcelona-El Prat to Boston flights

Munich to Boston flights

Norwich to Boston flights

Newcastle upon Tyne to Portland flights

Edinburgh to Portland flights

Newquay to Boston flights

Athens to Boston flights

Doncaster to Boston flights

Inverness to Boston flights

Direct flights to United States

Top 8 airlines flying from United Kingdom to Portland

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£379	Average£584	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
JetBlue	Cheapest£395	Average£596	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Virgin Atlantic	Cheapest£464	Average£708	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Finnair	Cheapest£466	Average£608	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
KLM	Cheapest£477	Average£756	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Lufthansa	Cheapest£506	Average£910	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest£549	Average£801	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Aer Lingus	Cheapest£611	Average£882	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus 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 £467

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/8. 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 12 June 2025.

Round-trip 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 12 June 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 12 June 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 12 June 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 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 8 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?

100% Free

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Travel Smart

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 12 June 2025.