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Cheap flights from the United Kingdom to Portland, Maine from £378

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PWM
12 Apr — 19 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 13 March 2026.

Tue 2/611:55
LHR
-
PWM
1 stop17h 01m
JetBlue
Wed 3/606:00
PWM
-
LHR
1 stop9h 45m
JetBlue
Deal found 11/3£565
Fri 1/511:55
LHR
-
PWM
1 stop16h 41m
JetBlue
Tue 5/506:00
PWM
-
LHR
1 stop9h 45m
JetBlue
Deal found 11/3£571
Fri 15/511:55
LHR
-
PWM
1 stop16h 41m
JetBlue
Sun 17/506:00
PWM
-
LHR
1 stop22h 30m
JetBlue
Deal found 12/3£586
Thu 23/409:30
LHR
-
PWM
1 stop14h 07m
Austrian Airlines
Thu 30/411:08
PWM
-
LHR
1 stop13h 47m
Austrian Airlines
Deal found 9/3£626
Fri 1/513:50
LHR
-
PWM
2 stops14h 33m
United Airlines
Tue 5/515:39
PWM
-
LHR
1 stop11h 41m
United Airlines
Deal found 9/3£635
Thu 23/412:30
EDI
-
PWM
1 stop26h 52m
United Airlines
Thu 30/409:50
PWM
-
EDI
1 stop19h 45m
United Airlines
Deal found 8/3£743
Thu 10/911:30
EDI
-
PWM
2 stops17h 01m
United Airlines
Mon 14/910:04
PWM
-
EDI
1 stop19h 31m
United Airlines
Deal found 9/3£744
Thu 23/405:55
MAN
-
PWM
2 stops20h 45m
United Airlines
Thu 30/419:10
PWM
-
MAN
2 stops33h 40m
United Airlines
Deal found 9/3£754
Thu 1/1011:05
MAN
-
PWM
2 stops55h 47m
United Airlines
Mon 5/1014:45
PWM
-
MAN
2 stops14h 05m
United Airlines
Deal found 9/3£776
Thu 23/415:00
MAN
-
PWM
1 stop14h 46m
Delta
Thu 30/405:21
PWM
-
MAN
2 stops21h 59m
Delta
Deal found 9/3£781
Mon 1/612:10
EDI
-
PWM
1 stop16h 46m
JetBlue
Sun 14/614:25
PWM
-
EDI
1 stop13h 55m
JetBlue
Deal found 12/3£822
Tue 9/613:45
NCL
-
PWM
2 stops15h 14m
Delta
Tue 16/606:30
PWM
-
NCL
2 stops21h 15m
Delta
Deal found 10/3£833

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 13 March 2026.

Round-trip from

£565

One-way from

£378

Popular in

August

Cheapest in

October

Average price

£686
JetBlue
  • JetBlue
  • 2/6-3/6
  • 2 total stops
  • 26h 46m total
  • United Kingdom to Portland
Search Deals
JetBlue
  • JetBlue
  • 2/6
  • 1 total stop
  • 17h 01m 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 13 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

£571

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

£635

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Thu 23/4

12:30-18:58

1 stop11h 28m

Portland

Thu 30/4

09:00-10:35

2 stops20h 35m

£743

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Thu 23/4

15:00-00:46

1 stop14h 46m

Portland

Thu 30/4

05:21-08:20

2 stops21h 59m

£781

Newcastle upon TynePortland

NCL - PWM

NCLPWM

Newcastle upon Tyne

Tue 9/6

13:45-23:59

2 stops15h 14m

Portland

Tue 16/6

06:30-08:45

2 stops21h 15m

£833

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Fri 29/5

12:30-19:27

1 stop11h 57m

Portland

Tue 16/6

05:15-07:40

2 stops21h 25m

£866
Fastest return journey

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Wed 3/6

12:30-19:27

1 stop11h 57m

Portland

Fri 12/6

19:16-10:35

1 stop10h 19m

£867

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Thu 4/6

12:30-19:27

1 stop11h 57m

Portland

Thu 11/6

19:16-10:35

1 stop10h 19m

£867

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Fri 3/7

14:25-23:57

2 stops14h 32m

Portland

Fri 10/7

20:15-06:30

2 stops29h 15m

£877

EdinburghPortland

EDI - PWM

EDIPWM

Edinburgh Turnhouse

Fri 29/5

12:30-19:27

1 stop11h 57m

Portland

Sun 14/6

19:16-10:35

1 stop10h 19m

£894

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 33 resultsSorted by cheapest first
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2
3
4

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 13 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
1,471 reviews
Check prices

Overall

7.8

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

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
1,471 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Overall

7.8

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

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
1,371 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Overall

7.8

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

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
1,471 reviews
Check prices

Overall

7.8

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

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
9,419 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Overall

7.8

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

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
2,904 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Overall

7.8

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

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 Delta fly from United Kingdom to Portland, Maine in about 11h 28m. The time it takes to get you to your destination can typically vary by up to 5h 13m. The distance between United Kingdom and Portland, Maine is about 2973 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 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.

  • 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 13 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£559Average£740FlexibilityNo 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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