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Cheap flights from Portland to London from £198

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PWM — LON
18 Jun — 25 Jun1
1 adult
Tue 18/6
Tue 25/6

Cheap flight deals from Portland to London

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 June 2024.

Popular in

June

Cheapest in

February

Average price

£3,030

Round-trip from

£68
High demand for flights, 72% potential price rise
Best time to find cheap flights, 39% potential price drop
Average for round-trip flights in June 2024
From Portland to London (LON)

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

Flights from Portland, Maine to London lean towards being more expensive in June. Prices are generally better when you fly from Portland, Maine to London in February, with the cheapest ticket starting at £477.

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

When flying from Portland, Maine to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap American Airlines flights from Portland to London

Explore cheap flight options specifically provided by American Airlines for the route between Portland and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 1,007,911 searches. Data last updated 13 June 2024.
Consider these cheap American Airlines flights we've found departing from Portland to London. Come back soon if you're not finding the exact deal you're looking for.
Tue 24/911:00PWM - LHR
1 stop15h 45mAmerican Airlines
Tue 1/1007:40LHR - PWM
2 stops18h 36mAmerican Airlines
Deal found 13/6£564
Tue 24/916:09PWM - LHR
2 stops13h 11mAmerican Airlines
Tue 1/1008:20LHR - PWM
2 stops17h 56mAmerican Airlines
Deal found 13/6£566
Thu 5/916:09PWM - LHR
1 stop10h 36mAmerican Airlines
Tue 17/908:50LHR - PWM
2 stops17h 26mAmerican Airlines
Deal found 13/6£640
Thu 5/916:09PWM - LHR
2 stops11h 56mAmerican Airlines
Tue 17/907:40LHR - PWM
2 stops18h 36mAmerican Airlines
Deal found 13/6£641
Fri 12/706:00PWM - LHR
1 stop20h 45mAmerican Airlines
Fri 19/709:45LHR - PWM
1 stop17h 55mAmerican Airlines
Deal found 12/6£816
Fri 12/712:49PWM - LHR
1 stop12h 51mAmerican Airlines
Fri 19/709:35LHR - PWM
2 stops18h 05mAmerican Airlines
Deal found 12/6£820
Mon 5/817:26PWM - LHR
2 stops12h 04mAmerican Airlines
Mon 12/808:10LHR - PWM
1 stop13h 49mAmerican Airlines
Deal found 13/6£827

Cheap United Airlines flights from Portland to London

Explore cheap flight options specifically provided by United Airlines for the route between Portland and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 1,007,911 searches. Data last updated 13 June 2024.
Take a gander at the lowest prices we've found on United Airlines flights from Portland to London. Deals are refreshing constantly so come back soon for more options.
Wed 25/915:55PWM - LHR
1 stop10h 20mUnited Airlines
Sun 29/906:50LHR - PWM
2 stops16h 54mUnited Airlines
Deal found 13/6£661
Thu 22/812:25PWM - LHR
1 stop12h 55mUnited Airlines
Mon 26/806:50LHR - PWM
2 stops17h 56mUnited Airlines
Deal found 13/6£708
Thu 22/812:05PWM - LHR
2 stops13h 40mUnited Airlines
Mon 26/806:50LHR - PWM
2 stops17h 56mUnited Airlines
Deal found 13/6£712
Tue 26/1116:45PWM - LHR
1 stop11h 25mUnited Airlines
Mon 2/1211:10LHR - PWM
2 stops17h 01mUnited Airlines
Deal found 13/6£734
Tue 26/1111:26PWM - LHR
2 stops14h 14mUnited Airlines
Mon 2/1211:10LHR - PWM
2 stops17h 01mUnited Airlines
Deal found 13/6£737
Tue 6/815:51PWM - LHR
1 stop11h 29mUnited Airlines
Tue 13/806:50LHR - PWM
2 stops22h 03mUnited Airlines
Deal found 13/6£774
Sat 13/709:40PWM - LHR
2 stops15h 15mUnited Airlines
Sat 20/712:15LHR - PWM
1 stop12h 30mUnited Airlines
Deal found 13/6£934

Cheap Portland to London flights in June & July 2024

Find cheap flight options from Portland to London specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 1,007,911 searches. Prices were last updated on 13 June 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. For more flight deals, be sure to check back very soon.
Tue 9/709:45PWM - LGW
1 stop17h 10mJetBlue
Tue 16/710:30LGW - PWM
1 stop13h 44mJetBlue
Deal found 11/6£693
Sat 13/709:45PWM - LHR
1 stop18h 45mJetBlue
Sat 20/707:25LHR - PWM
1 stop16h 33mJetBlue
Deal found 13/6£711
Fri 12/709:45PWM - LGW
1 stop17h 10mJetBlue
Fri 19/710:30LGW - PWM
1 stop13h 44mJetBlue
Deal found 12/6£720
Tue 16/714:09PWM - LGW
1 stop14h 51mDelta
Tue 6/812:00LGW - PWM
1 stop17h 10mDelta
Deal found 11/6£722
Mon 17/609:45PWM - LGW
1 stop17h 10mJetBlue
Mon 24/610:30LGW - PWM
1 stop13h 29mJetBlue
Deal found 12/6£812
Fri 12/706:00PWM - LHR
1 stop20h 45mAmerican Airlines
Fri 19/709:45LHR - PWM
1 stop17h 55mAmerican Airlines
Deal found 12/6£816
Fri 12/712:49PWM - LHR
1 stop12h 51mAmerican Airlines
Fri 19/709:35LHR - PWM
2 stops18h 05mAmerican Airlines
Deal found 12/6£820
Fri 12/709:49PWM - LGW
1 stop19h 11mMultiple Airlines
Fri 19/714:00LGW - PWM
2 stops26h 43mMultiple Airlines
Deal found 12/6£864
Sat 13/709:40PWM - LHR
2 stops15h 15mUnited Airlines
Sat 20/712:15LHR - PWM
1 stop12h 30mUnited Airlines
Deal found 13/6£934

Portland to London 2024 flight deals

Discover exclusive flight deals for travel between Portland and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 1,007,911 searches. Data last updated 13 June 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. For more flight deals, be sure to check back very soon.
Tue 24/913:06PWM - LGW
1 stop13h 49mJetBlue
Tue 1/1010:30LGW - PWM
1 stop15h 59mJetBlue
Deal found 11/6£439
Tue 8/1013:06PWM - LGW
1 stop13h 49mJetBlue
Tue 22/1010:30LGW - PWM
1 stop15h 59mJetBlue
Deal found 12/6£461
Tue 24/913:06PWM - LHR
1 stop15h 24mJetBlue
Tue 1/1011:55LHR - PWM
1 stop14h 34mJetBlue
Deal found 13/6£479
Tue 8/1013:06PWM - LHR
1 stop15h 24mJetBlue
Tue 22/1011:55LHR - PWM
1 stop14h 34mJetBlue
Deal found 13/6£490
Wed 25/913:06PWM - LGW
1 stop13h 49mJetBlue
Sun 29/910:30LGW - PWM
1 stop15h 59mJetBlue
Deal found 12/6£491
Wed 25/913:06PWM - LGW
1 stop13h 49mJetBlue
Tue 8/1010:30LGW - PWM
1 stop15h 59mJetBlue
Deal found 13/6£532
Wed 25/912:58PWM - LGW
2 stops16h 02mDelta
Tue 8/1012:00LGW - PWM
1 stop16h 38mDelta
Deal found 13/6£564
Tue 24/911:00PWM - LHR
1 stop15h 45mAmerican Airlines
Tue 1/1007:40LHR - PWM
2 stops18h 36mAmerican Airlines
Deal found 13/6£564
Tue 24/916:09PWM - LHR
2 stops13h 11mAmerican Airlines
Tue 1/1008:20LHR - PWM
2 stops17h 56mAmerican Airlines
Deal found 13/6£566

Portland to London flights leaving soon

Find last-minute flight options from Portland to London for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 1,007,911 searches. Data last updated 13 June 2024.
Have a look at some of the last-minute flights available departing from Portland to London. Users should examine the flight details to ensure there are no surprises.
Fri 21/619:54PWM - LHR
2 stops19h 56mTurkish Airlines
Fri 28/619:05LHR - PWM
2 stops28h 53mTurkish Airlines
Deal found 13/6£1,302
Fri 21/614:08PWM - LHR
1 stop12h 07mDelta
Fri 28/611:30LHR - PWM
2 stops17h 54mDelta
Deal found 13/6£1,310
Fri 21/614:08PWM - LHR
1 stop12h 57mKLM
Fri 28/617:50LHR - PWM
1 stop11h 34mKLM
Deal found 13/6£1,317
Fri 21/611:50PWM - LHR
3 stops17h 10mAir Canada
Fri 28/618:00LHR - PWM
3 stops24h 51mAir Canada
Deal found 13/6£1,466
Fri 21/615:50PWM - LHR
2 stops15h 00mMultiple Airlines
Fri 28/618:00LHR - PWM
3 stops24h 51mMultiple Airlines
Deal found 13/6£1,607

One-way flights to London from Portland

Search for one-way flight options from Portland to London. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 1,007,911 searches. Data last updated 13 June 2024.
If you're seeking multiple options on one-way flights from Portland to London, be sure to check out these deals, which are updated often. Those needing a return flight from Portland to London can use the search form above.
Thu 4/713:57PWM - LGW
1 stop15h 03mMultiple Airlines
Deal found 13/6£198
Sun 7/719:37PWM - LGW
1 stop33h 23mMultiple Airlines
Deal found 13/6£243
Mon 8/709:49PWM - LGW
1 stop19h 11mMultiple Airlines
Deal found 13/6£255
Fri 5/709:49PWM - LGW
1 stop19h 11mMultiple Airlines
Deal found 13/6£263
Tue 2/712:00PWM - LGW
1 stop17h 00mMultiple Airlines
Deal found 13/6£281
Mon 1/709:49PWM - LGW
1 stop19h 11mMultiple Airlines
Deal found 13/6£290
Thu 4/710:14PWM - LGW
2 stops18h 46mMultiple Airlines
Deal found 13/6£301
Sat 6/712:43PWM - LGW
2 stops40h 17mMultiple Airlines
Deal found 13/6£326
Fri 23/809:49PWM - LGW
1 stop19h 11mMultiple Airlines
Deal found 13/6£333

Find flights from Portland to London within your budget

Customise your flight search to find flights from Portland to London 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 1,007,911 searches. Data last updated 13 June 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£439 - £793

Route

Depart

Return

Price

PortlandLondon Gatwick

PWM - LGW

PWMLGW

Portland

Tue 24/9

1 stop13h 49m

London Gatwick

Tue 1/10

1 stop15h 59m

£439

PortlandLondon Gatwick

PWM - LGW

PWMLGW

Portland

Wed 25/9

2 stops16h 02m

London Gatwick

Tue 8/10

1 stop16h 38m

£564

PortlandLondon Heathrow

PWM - LHR

PWMLHR

Portland

Tue 24/9

1 stop15h 45m

London Heathrow

Tue 1/10

2 stops18h 36m

£564

PortlandLondon Heathrow

PWM - LHR

PWMLHR

Portland

Wed 25/9

3 stops16h 32m

London Heathrow

Tue 8/10

3 stops19h 58m

£625

PortlandLondon Heathrow

PWM - LHR

PWMLHR

Portland

Wed 25/9

3 stops17h 32m

London Heathrow

Tue 8/10

2 stops14h 54m

£633

PortlandLondon Gatwick

PWM - LGW

PWMLGW

Portland

Wed 25/9

2 stops22h 14m

London Gatwick

Tue 8/10

2 stops23h 56m

£635

PortlandLondon Heathrow

PWM - LHR

PWMLHR

Portland

Wed 25/9

1 stop10h 20m

London Heathrow

Sun 29/9

2 stops16h 54m

£661

PortlandLondon Heathrow

PWM - LHR

PWMLHR

Portland

Tue 26/11

1 stop9h 25m

London Heathrow

Mon 2/12

1 stop12h 38m

£745

PortlandLondon Heathrow

PWM - LHR

PWMLHR

Portland

Sun 11/8

1 stop18h 49m

London Heathrow

Sun 18/8

2 stops32h 41m

£793

Flights are sorted by cheapest first

Deals found on 11/6

No data available for this route at this time. Please check back soon.

Best time to book a flight from Portland to London

Have a flexible travel schedule? Discover the best time to fly to London from Portland 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.

Temperature and rainfall in London by month

Plan your trip to London by taking into account the average temperature and rainfall totals by month.

LON

Temperature

4 - 17 °C

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 13 June 2024.
Get a feel of what it's like to fly with American Airlines, United Airlines and JetBlue from Portland to London by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very Good
10,000 reviews
8.0
Very Good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.9
Good
1,461 reviews
8.0
Very Good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.6
Good
4,260 reviews
8.0
Very Good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.6
Good
714 reviews
8.0
Very Good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.5
Good
1,698 reviews
8.0
Very Good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Portland to London. 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 from for flights from Portland to London?

    Portland (PWM) is the airport you will fly out of if you book a flight from Portland to London. You should not have trouble finding flights to London from Portland; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Portland airport to London. It is only a 2.9 mi journey to Portland (PWM) from Portland’s city center.

  • Can I find flights from Portland, Maine to London for under £500 on Cheapflights?

    Yes, there are multiple flights from Portland, Maine to London for under £500. The cheapest flight booked recently is on JetBlue for just £439, but on average you can expect to pay £569.

  • Are there last-minute flights available from Portland, Maine to London for under £1,400?

    There are currently 5+ open flights from Portland, Maine to London within the next 7 days for less than £1,400.

  • What are the cheapest airlines flying from Portland, Maine to London round-trip?

    Cheapflights users have booked flights from Portland, Maine to London round-trip from £439. Other airlines that can offer you cheap pricing are Delta, from £564, and American Airlines, from £564. JetBlue is currently priced 48% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Portland, Maine to London one-way?

    £364 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on TAP AIR PORTUGAL and Air Canada, with prices starting from £449 and £453, respectively.

  • What are the most popular routes from Portland, Maine to London?

  • What does PWM to LHR mean?

    Portland Airport is PWM and London Heathrow Airport is LHR. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Portland to London that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to London flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to London with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to London flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Portland to London that include hotel bookings?

    Yes. In addition to deals on Portland to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portland to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to London.

  • Can I find deals for business class flights from Portland to London?

    Yes. Cheapflights offers flight deals from Portland to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Portland to London that allow pets onboard?

    Many airlines flying from Portland to London offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to London?

    Yes, you can often find last-minute deals on Portland to London flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland, Maine to London flight deals updated?

    The Portland, Maine to London flight deals you see on this page were last updated on 13/6.

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

    Currently, January is the cheapest month in which you can book a flight from Portland, Maine to London (average of £110). Flying from Portland, Maine to London in July is currently the most expensive (average of £163). 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

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How does Cheapflights help users find flights from Portland to London?

Cheapflights helps you search for flights from Portland to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to London from Portland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Portland to London with no change fees?

Certainly. Search results for flights to London from Portland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Portland to London become cheaper?

Yes, Cheapflights offers price alerts on Portland to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the fl