£421+ Cheap flights to Portland, Maine

— PWM
22 Oct — 29 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Portland, ME in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Portland

Thu 5/1107:25 -
1 stop21h 18m
Thu 12/1106:30 -
1 stop10h 10m
Deal found 21/9£572
Tue 10/1107:25 -
1 stop21h 18m
Tue 17/1106:30 -
1 stop10h 10m
Deal found 20/9£583
Tue 3/1112:20 -
1 stop16h 23m
Tue 10/1106:30 -
1 stop10h 10m
Deal found 19/9£608
Tue 10/1107:25 -
1 stop21h 18m
Sat 14/1106:30 -
1 stop10h 10m
Deal found 20/9£608
Sun 1/1108:15 -
1 stop20h 28m
Sun 8/1106:30 -
1 stop22h 00m
Deal found 17/9£612
Thu 3/1206:40 -
2 stops22h 41m
Sun 6/1206:00 -
2 stops31h 30m
Deal found 17/9£621
Fri 23/1012:00 -
1 stop13h 22m
Sat 31/1006:00 -
1 stop10h 35m
Deal found 17/9£629
Wed 4/1107:25 -
1 stop21h 18m
Wed 11/1106:30 -
1 stop10h 10m
Deal found 19/9£629
Thu 5/1112:20 -
1 stop16h 23m
Thu 12/1108:49 -
2 stops17h 21m
Deal found 21/9£635
Tue 3/1112:20 -
1 stop16h 23m
Tue 10/1108:49 -
2 stops17h 21m
Deal found 19/9£652

Find flight deals to Portland

Return from

£572

One-way from

£421

Popular in

July

Cheapest in

February

Average price

£821
JetBlue
  • JetBlue
  • 5/11-12/11
  • 2 total stops
  • 31h 28m total
  • London to Portland
United Airlines
  • United Airlines
  • 25/11-31/12
  • 1 total stop
  • 13h 11m total
  • London to Portland
Highest demand for flights based on searches. 18% potential increase in price (£181 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£37 potential savings vs. average return price).
Average for return flights in September 2026

Cheapflights Fare Finder

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

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Tue 20/10

18:45-23:54

2 stops34h 09m

Portland

Wed 31/12

00:00-06:00

Nonstop0h 00m

£464

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 26/11

15:40-11:56

1 stop25h 16m

Portland

Wed 31/12

00:00-06:00

Nonstop0h 00m

£543

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 26/11

17:50-15:16

2 stops26h 26m

Portland

Wed 31/12

00:00-06:00

Nonstop0h 00m

£545

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Tue 10/11

07:25-23:43

1 stop21h 18m

Portland

Tue 17/11

06:30-21:40

1 stop10h 10m

£608

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 3/12

06:40-00:21

2 stops22h 41m

Portland

Sun 6/12

06:00-18:30

2 stops31h 30m

£622

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 4/11

07:25-23:43

1 stop21h 18m

Portland

Wed 11/11

06:30-21:40

1 stop10h 10m

£629

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 26/11

18:00-13:26

3 stops24h 26m

Portland

Wed 31/12

00:00-06:00

Nonstop0h 00m

£646
Fastest return journey

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Mon 30/11

12:50-23:21

1 stop15h 31m

Portland

Wed 31/12

00:00-06:00

Nonstop0h 00m

£668

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 5/11

12:25-23:43

2 stops16h 18m

Portland

Thu 12/11

08:49-07:10

2 stops17h 21m

£703

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Mon 19/10

11:15-23:35

1 stop17h 20m

Portland

Wed 31/12

00:00-06:00

Nonstop0h 00m

£709

Flights are sorted by cheapest return flights first.

Deals found on 20/9

Showing 1-10 of 17 resultsSorted by cheapest first
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Best time to book a flight to Portland

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

Cheapflights Insights

Everything you need to know about your flight to Portland

How long is the flight to Portland?

On average, a flight from London to Portland takes 20 hours 9 minutes. Flights to Portland from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Rainfall in Portland by month

In terms of precipitation, rainfall in Portland 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 when rainfall is around 73.0 mm.

Temperature in Portland by month

If weather is an important factor for your trip to Portland, 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

Read reviews from past customers who have flown United Airlines to the United States. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

FAQs about flying to Portland

Getting around Portland

It’s easy to get from Portland to surrounding cities. From the Greyhound Terminal you can get to and from Vermont, Boston, Hartford and New York City every day. Other buses can take you to Brunswick, Lewiston, Augusta, Waterville, Bangor or Bar Harbor. The Amtrak trains also run between Portland and Boston several times a day. Trips take only two and a half hours, which is much quicker than the buses. Ferry cruises leave Portland for Bailey Island or Nova Scotia several times a week in the summer. For travel within Portland, cars and motorcycles are all over the place and it’s easy to rent a car. You’ll want to park in a garage, since metered parking is less available and allows you to stay for only a few hours. If you’d prefer not to drive, you can take the Metro or trains.

Portland airport overview

Portland International Jetport is located 3km (2 miles) east of downtown Portland, Maine. The busiest airport in the state, the facility processes more than 1.6 million people every year.

With a reputation for friendly and efficient service, the Jetport is a pleasant introduction to the cosy New England region, though it’s small enough that a stopover of several hours would be tedious. A new terminal is scheduled to open in October 2011 however, with expanded waiting rooms, security facilities, and a new food concourse to improve passenger experience.

Flights to Portland International Jetport mostly come from the Eastern US, Midwest and Canada, with destinations such as Toronto, Baltimore, Atlanta, Newark, Cleveland, Minneapolis, New York, Washington DC, Chicago, Orlando, Detroit, Charlotte and Philadelphia.

  • What is good to know if travelling to Portland?

    Local Art: Portland art galleries mix media to portray the reality and splendour of Portland through paintings and photography. The Domaine Gallery offers fine-art photography, prints about the state’s geography, and jewellery hand-made by artisans. The Fore Street Gallery focuses more on watercolours, oil paintings, and specializes on regional artists. Work also ranges from students to professional. If you decide to take home a painting that suits your style, be sure to pack carefully for your return Portland flight. At the Institute of Contemporary Art, progressive students from the Maine College of Art (MECA) display their work, while in the Portland Museum of Art; American pros like Winslow Homer and Edward Hopper fill the walls. The PMA also gets recognized especially for its temporary exhibits.  Wadsworth-Longfellow House: You’ll see plenty of old, brick homes with lavish gardens and detailed rooftops, but one claims the spotlight more than others: the Henry Wadsworth-Longfellow House. The brick Wadsworth-Longfellow farmhouse sits in the middle of an expansive garden, and is built in the 1788 federal style. The builder, General Peleg Wadsworth, was a hero in the Revolutionary War, and a grandfather to poet Henry Wadsworth Longfellow. The two lived in the house together, and it remains one of New England’s more famous architectural artefacts. Reopened in 2002, the home is part of the Maine Historic Society and is open year-round for travellers.  Harbor side: A mile in length, the Harbor side begins at Casco Bay Lines ferry terminal (at the corner of Commercial and Franklin Streets). For fitness freaks the paved paths allow convenient room for walking, running, and biking with views of the islands. With a 68-acre hillside span of greenery that extends to the water, the Harbor side is your perfect outdoor daytime destination to get the best of the land and the sea.  Portland Sea Dogs: Take in America’s pastime after your flight to Portland lands. The Portland Sea Dogs are a Double A baseball team, affiliated with the World Series Champion Boston Red Sox. Spend an afternoon at the Sea Dogs game for a perfect summertime activity. Park your family on one of Hadlock Field’s aluminium benches, get some game-time grub, and watch as young hopefuls swing their way toward the pros. Pro-players including Josh Beckett, Brad Penny, Alex Gonzalez, and Kevin Millar played for the Portland Sea Dogs – pay close attention to the guys on the field, they might the next big baseball stars.

  • What airport do you fly into for flights to Portland?

    Portland (PWM), located 2.9 mi from the city center, is the airport you fly into when you book flights to Portland.

  • Can I find cheaper flights to Portland if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Portland on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the cheapest airport to fly to in Portland?

    Portland is currently the cheapest airport to fly to in Portland. One-way flights to Portland typically cost £155, while return flights cost around £223.

  • Where does the fastest flight to Portland depart from?

    For those looking to save time traveling to Portland, Edinburgh Turnhouse offers the quickest one-way flight (16 hours 29 minutes).

  • Does Portland have car hire?

    Yes. Those touching down at Portland can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Portland?

    Yes. Portland has hotels nearby for those requiring accommodations. Embassy Suites by Hilton Portland Maine is the closest property to Portland (0.0 mi away from Portland).

See more FAQs

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