LHR - PWM

$537 Find Cheap Flights from London to Portland - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$823
Typical prices: $749-$1,119
JetBlue
Sun 10/28Sun 11/4
LHR - PWM • 1 stop
Cheapest one-way
$537
Typical prices: $770-$1,126
Multiple Airlines
Sat 11/10
LHR - PWM • 2 stops
Nonstop flights
Not available
There are currently no direct flights between London Heathrow Airport and Portland. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
December
Cheapest • 34% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Atlanta Hartsfield-Jackson (ATL)
Cheapest • Avg $879 (round-trip)
Newark (EWR)
Shortest trip • 10h 49m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from London to Portland (LHR-PWM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from London to Portland

Wed, Oct 28 - Wed, Nov 4
JetBlue Logo
7:25 am - 11:43 pmLHR  London Heathrow-PWM Portland
20h 18m1 stop New York John F Kennedy Intl
JetBlue Logo
6:30 am - 9:40 pmPWM  Portland-LHR London Heathrow
10h 10m1 stop New York John F Kennedy Intl
$823JetBlue
Thu, Dec 3 - Sun, Dec 6
Scandinavian Airlines Logo
6:40 am - 12:21 amLHR  London Heathrow-PWM Portland
22h 41m2 stops Kastrup Copenhagen New York John F Kennedy Intl
Scandinavian Airlines Logo
6:00 am - 6:30 pmPWM  Portland-LHR London Heathrow
31h 30m2 stops New York John F Kennedy Intl Kastrup Copenhagen
$841Scandinavian Airlines
Thu, Dec 3 - Sun, Dec 6
Scandinavian Airlines Logo
6:40 am - 12:21 amLHR  London Heathrow-PWM Portland
22h 41m2 stops Kastrup Copenhagen New York John F Kennedy Intl
Scandinavian Airlines Logo
6:00 am - 6:30 pmPWM  Portland-LHR London Heathrow
31h 30m2 stops New York John F Kennedy Intl Kastrup Copenhagen
$842Scandinavian Airlines
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
7:25 am - 11:43 pmLHR  London Heathrow-PWM Portland
20h 18m1 stop New York John F Kennedy Intl
Multiple Airlines Logo
8:49 am - 7:10 amPWM  Portland-LHR London Heathrow
17h 21m2 stops Newark Montreal Pierre Elliott Trudeau Intl
$883Multiple Airlines
Mon, Oct 12 - Mon, Oct 19
JetBlue Logo
11:55 am - 11:54 pmLHR  London Heathrow-PWM Portland
16h 59m1 stop New York John F Kennedy Intl
JetBlue Logo
6:00 am - 8:45 pmPWM  Portland-LHR London Heathrow
9h 45m1 stop New York John F Kennedy Intl
$890JetBlue
Sat, Oct 10 - Sat, Oct 17
JetBlue Logo
8:15 am - 11:54 pmLHR  London Heathrow-PWM Portland
20h 39m1 stop New York John F Kennedy Intl
JetBlue Logo
6:00 am - 8:45 pmPWM  Portland-LHR London Heathrow
9h 45m1 stop New York John F Kennedy Intl
$907JetBlue
Mon, Oct 12 - Mon, Oct 19
Multiple Airlines Logo
11:55 am - 11:54 pmLHR  London Heathrow-PWM Portland
16h 59m1 stop New York John F Kennedy Intl
Multiple Airlines Logo
6:04 am - 7:40 amPWM  Portland-LHR London Heathrow
20h 36m2 stops New York John F Kennedy Intl Amsterdam Schiphol
$950Multiple Airlines
Thu, Oct 15 - Mon, Oct 19
Multiple Airlines Logo
8:00 am - 11:54 pmLHR  London Heathrow-PWM Portland
20h 54m2 stops Lisbon Humberto Delgado New York John F Kennedy Intl
Multiple Airlines Logo
6:00 am - 6:35 amPWM  Portland-LHR London Heathrow
19h 35m2 stops Newark Toronto Pearson Intl
$960Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
United Airlines Logo
9:30 am - 11:21 pmLHR  London Heathrow-PWM Portland
17h 51m2 stops Frankfurt am Main Newark
United Airlines Logo
2:05 pm - 9:10 amPWM  Portland-LHR London Heathrow
14h 05m2 stops Washington, D.C. Dulles Intl Newark
$985United Airlines
Mon, Oct 26 - Mon, Nov 2
United Airlines Logo
9:00 am - 11:59 pmLHR  London Heathrow-PWM Portland
18h 59m2 stops Zurich Washington, D.C. Dulles Intl
United Airlines Logo
7:35 pm - 8:35 pmPWM  Portland-LHR London Heathrow
20h 00m2 stops Washington, D.C. Dulles Intl Newark
$998United Airlines
Booking Insights

Price, demand and travel trends for London Heathrow Airport to Portland flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from London Heathrow Airport to Portland with more confidence.

How much is a round-trip flight from London Heathrow Airport to Portland?

Round-trip flights from London Heathrow Airport to Portland start at $823. Prices are typical for this route right now, with typical round-trip fares ranging from $749 to $1,119. The lowest price found in the past 5 days was $823 on JetBlue.

What's the cheapest day of the week to fly from London Heathrow Airport to Portland?

Thursday is the cheapest day of the week to fly from London Heathrow Airport to Portland, it is 9% cheaper than the average day. Tuesday is the most expensive day with flight prices 52% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from London Heathrow Airport to Portland?

  • December is the cheapest month to fly from London Heathrow Airport to Portland at $633 round-trip.
  • August ($1,306) and September ($1,098) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 106% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for London Heathrow Airport to Portland flights

Low season

January

Cheapest flight

$537
Best time to beat the crowds with an average 16% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from London Heathrow Airport to Portland

When to book flights from London to Portland

Are your dates flexible? Find out the best times to travel from London to Portland based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your London Heathrow Airport to Portland flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from London Heathrow Airport to Portland?

    Flights from London Heathrow Airport to Portland usually depart from London Heathrow (LHR) and arrive at Portland (PWM).

  • What cabin classes can I book on flights from London Heathrow Airport to Portland?

    Only Economy Class is available on flights from London Heathrow Airport to Portland.

  • Which airports do connecting flights from London Heathrow Airport to Portland pass through?

    One-stop flights from London Heathrow Airport to Portland most commonly connect through:

    • New York John F Kennedy Intl (JFK) - 37% of one-stop connections
    • Newark (EWR) - 29% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 19% of one-stop connections
    • Philadelphia (PHL) - 13% of one-stop connections

    New York John F Kennedy Intl (JFK) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from London Heathrow Airport to Portland?

    Yes. Being flexible with your travel dates can save you up to 41% on the London Heathrow Airport to Portland route. Thursday is the cheapest departure day at $876 round-trip on average, while Tuesday is the most expensive at $1,468, a difference of $592. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from London Heathrow Airport to Portland?

    A nonstop flight from London Heathrow Airport to Portland takes 0h 00m, covering 3,173 miles.

  • Do I need a passport to fly from London Heathrow Airport to Portland?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from London Heathrow Airport to Portland changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $823 to $8,228. That means the highest observed fare was about 10x higher than the lowest one.

  • How are flight prices from London Heathrow Airport to Portland looking right now?

    One-way fares from London Heathrow Airport to Portland are currently lower than usual. Average one-way flight prices are about $555, which is 41% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from London Heathrow Airport to Portland?

    Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 10h 49m, compared with 11h 27m via Philadelphia (PHL) and 12h 18m via Charlotte Douglas (CLT).

  • What is the time difference between London Heathrow Airport and Portland?

    Portland is 5 hours behind London Heathrow Airport (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Portland Airport (PWM)?

    Portland Airport (PWM) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
    • Dollar
    • Budget
    • Alamo
    • Hertz
    • Movly

  • How much should I expect to pay for a London Heathrow Airport to Portland flight?

    Round-trip flights from London Heathrow Airport to Portland range from $749 to $1,119, with an average of $960 over the past 12 months. Anything below $749 counts as a good deal.

Your guide to booking London Heathrow Airport to Portland flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Tuesday. On this route, Thursday flights average $876 - about $592 less than Tuesday (40% savings) based on the last 12 months.
  • If you can choose when to travel, plan your London Heathrow Airport to Portland trip for December. Fares historically average $633 round-trip in that month - typically $673 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Portland Airport.
    - Clarion Hotel Portland Airport Me
    - La Quinta Inn & Suites by Wyndham Portland DT/Maine Med
    - DoubleTree by Hilton Portland

More options for your flight from London to Portland

Complete your trip to Portland with a hotel stay or car rental

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