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Cheap flights from the United Kingdom to Portland, Maine from £210

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PWM
6 Apr — 13 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Portland

Enter your travel dates to find the best prices.

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 7 March 2026.

Sat 11/407:45
LHR
-
PWM
1 stop15h 55m
Austrian Airlines
Thu 16/411:09
PWM
-
LHR
1 stop16h 11m
Austrian Airlines
Deal found 3/3£210
Sun 19/411:55
LHR
-
PWM
1 stop16h 04m
JetBlue
Sun 26/407:30
PWM
-
LHR
1 stop32h 15m
JetBlue
Deal found 5/3£480
Tue 12/511:55
LHR
-
PWM
1 stop16h 41m
JetBlue
Thu 28/506:00
PWM
-
LHR
1 stop9h 45m
JetBlue
Deal found 2/3£484
Mon 20/408:15
LHR
-
PWM
1 stop19h 44m
JetBlue
Mon 27/407:30
PWM
-
LHR
1 stop21h 00m
JetBlue
Deal found 6/3£509
Fri 1/511:55
LHR
-
PWM
1 stop16h 41m
JetBlue
Tue 5/506:00
PWM
-
LHR
1 stop9h 45m
JetBlue
Deal found 3/3£527
Fri 17/411:55
LHR
-
PWM
1 stop16h 04m
JetBlue
Fri 24/407:30
PWM
-
LHR
1 stop21h 00m
JetBlue
Deal found 3/3£545
Wed 6/511:55
LHR
-
PWM
1 stop16h 41m
JetBlue
Sat 9/506:00
PWM
-
LHR
1 stop9h 45m
JetBlue
Deal found 2/3£555
Wed 22/407:30
LHR
-
PWM
2 stops16h 07m
United Airlines
Wed 29/411:09
PWM
-
LHR
2 stops14h 46m
United Airlines
Deal found 4/3£579
Tue 12/519:50
LHR
-
PWM
2 stops33h 53m
Scandinavian Airlines
Thu 28/514:38
PWM
-
LHR
2 stops37h 42m
Scandinavian Airlines
Deal found 2/3£585
Sun 19/419:30
MAN
-
PWM
2 stops34h 16m
Scandinavian Airlines
Sun 26/406:30
PWM
-
MAN
2 stops32h 15m
Scandinavian Airlines
Deal found 5/3£625
Thu 7/510:35
MAN
-
PWM
2 stops28h 48m
United Airlines
Mon 11/519:10
PWM
-
MAN
2 stops33h 40m
United Airlines
Deal found 2/3£732
Sat 18/410:40
MAN
-
PWM
2 stops43h 06m
Scandinavian Airlines
Sat 25/406:30
PWM
-
MAN
2 stops24h 15m
Scandinavian Airlines
Deal found 4/3£735

Find 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 7 March 2026.

Round-trip from

£210

Popular in

August

Cheapest in

October

Average price

£686
Austrian Airlines
  • Austrian Airlines
  • 11/4-16/4
  • 2 total stops
  • 32h 06m total
  • United Kingdom to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£71 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
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 7 March 2026.
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

Cheapest return flight

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 1/5

11:55-23:36

1 stop16h 41m

Portland

Tue 5/5

06:00-20:45

1 stop9h 45m

£527

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 6/5

11:55-23:36

1 stop16h 41m

Portland

Sat 9/5

06:00-20:45

1 stop9h 45m

£555

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 22/4

07:30-18:37

2 stops16h 07m

Portland

Wed 29/4

11:09-06:55

2 stops14h 46m

£579

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 12/5

19:50-00:43

2 stops33h 53m

Portland

Thu 28/5

14:38-09:20

2 stops37h 42m

£585

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 1/5

13:50-23:23

2 stops14h 33m

Portland

Tue 5/5

14:08-09:20

2 stops14h 12m

£604

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 20/4

07:25-18:58

2 stops16h 33m

Portland

Mon 27/4

14:12-06:55

1 stop11h 43m

£607

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Sun 19/4

19:30-00:46

2 stops34h 16m

Portland

Sun 26/4

06:30-19:45

2 stops32h 15m

£625

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Thu 7/5

10:35-10:23

2 stops28h 48m

Portland

Mon 11/5

19:10-09:50

2 stops33h 40m

£732

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Sat 18/4

10:40-00:46

2 stops43h 06m

Portland

Sat 25/4

06:30-11:45

2 stops24h 15m

£735

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Sun 19/4

11:15-23:23

1 stop17h 08m

Portland

Sun 26/4

14:51-16:55

2 stops21h 04m

£775

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 26 resultsSorted by cheapest first
1
2
3

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 month to book a flight from United Kingdom to Portland, Maine?

Currently, August is the cheapest month in which you can book a flight from United Kingdom to Portland, Maine (average of £91). Flying from United Kingdom to Portland, Maine in December is currently the most expensive (average of £371). 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.

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 7 March 2026.
Get a feel of what it's like to fly with KLM, Finnair, andVirgin Atlantic from the United Kingdom to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Overall

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,467 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Overall

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Finnair
7.6
Good
1,370 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Overall

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
680 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Overall

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,404 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Overall

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
JetBlue
7.2
Good
2,895 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Overall

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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.

  • How long is the flight from United Kingdom to Portland, Maine?

    Airlines like JetBlue, United Airlines, and Scandinavian Airlines fly from United Kingdom to Portland, Maine in about 16h 07m. The time it takes to get you to your destination can typically vary by up to 18h 09m. The distance between United Kingdom and Portland, Maine is about 3173 mi. This flight may include one or multiple stops.

  • 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.

  • What is the cheapest month to book a flight from United Kingdom to Portland, Maine?

    Currently, August is the cheapest month in which you can book a flight from United Kingdom to Portland, Maine (average of £91). Flying from United Kingdom to Portland, Maine in December is currently the most expensive (average of £371). 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.

See more FAQs

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Bath

Browse thousands of different options on Cheapflights for your next trip

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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 7 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£474Average£643FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£491Average£646FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£502Average£680FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£558Average£739FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£621Average£897FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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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