LHR - PWM

£397 Find Cheap Flights from London Heathrow Airport to Portland – Compare and Save

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Everything you should know

Cheapest return flight
£608
Typical prices: £554-£827
JetBlue
Sun 28/10Sun 4/11
LHR - PWM • 1 stop
Cheapest one-way flight
£397
Typical prices: £569-£832
Multiple Airlines
Sat 10/11
LHR - PWM • 2 stops
Direct 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 stopover airports
Atlanta Hartsfield-Jackson (ATL)
Cheapest • Avg £649 (return)
Newark (EWR)
Shortest trip • 10h 49m (one-way)
Insights
Insights
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We hope you enjoy your trip to Portland!
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Flight Deals

Cheap Flights from Heathrow to Portland (LHR-PWM)

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

Recent return flight deals from Heathrow to Portland

Wed, 28 Oct - Wed, 4 Nov
JetBlue Logo
07:25 - 23:43LHR  London Heathrow-PWM Portland
20h 18m1 stop New York John F Kennedy Intl
JetBlue Logo
06:30 - 21:40PWM  Portland-LHR London Heathrow
10h 10m1 stop New York John F Kennedy Intl
£608JetBlue
Thu, 3 Dec - Sun, 6 Dec
Scandinavian Airlines Logo
06:40 - 00:21LHR  London Heathrow-PWM Portland
22h 41m2 stops Kastrup Copenhagen New York John F Kennedy Intl
Scandinavian Airlines Logo
06:00 - 18:30PWM  Portland-LHR London Heathrow
31h 30m2 stops New York John F Kennedy Intl Kastrup Copenhagen
£622Scandinavian Airlines
Thu, 3 Dec - Sun, 6 Dec
Scandinavian Airlines Logo
06:40 - 00:21LHR  London Heathrow-PWM Portland
22h 41m2 stops Kastrup Copenhagen New York John F Kennedy Intl
Scandinavian Airlines Logo
06:00 - 18:30PWM  Portland-LHR London Heathrow
31h 30m2 stops New York John F Kennedy Intl Kastrup Copenhagen
£622Scandinavian Airlines
Wed, 28 Oct - Wed, 4 Nov
Multiple Airlines Logo
07:25 - 23:43LHR  London Heathrow-PWM Portland
20h 18m1 stop New York John F Kennedy Intl
Multiple Airlines Logo
08:49 - 07:10PWM  Portland-LHR London Heathrow
17h 21m2 stops Newark Montreal Pierre Elliott Trudeau Intl
£653Multiple Airlines
Mon, 12 Oct - Mon, 19 Oct
JetBlue Logo
11:55 - 23:54LHR  London Heathrow-PWM Portland
16h 59m1 stop New York John F Kennedy Intl
JetBlue Logo
06:00 - 20:45PWM  Portland-LHR London Heathrow
9h 45m1 stop New York John F Kennedy Intl
£658JetBlue
Thu, 15 Oct - Thu, 22 Oct
Multiple Airlines Logo
11:20 - 23:54LHR  London Heathrow-PWM Portland
17h 34m2 stops Lisbon Humberto Delgado New York John F Kennedy Intl
Multiple Airlines Logo
06:00 - 17:45PWM  Portland-LHR London Heathrow
30h 45m2 stops New York John F Kennedy Intl Lisbon Humberto Delgado
£664Multiple Airlines
Sat, 10 Oct - Sat, 17 Oct
JetBlue Logo
08:15 - 23:54LHR  London Heathrow-PWM Portland
20h 39m1 stop New York John F Kennedy Intl
JetBlue Logo
06:00 - 20:45PWM  Portland-LHR London Heathrow
9h 45m1 stop New York John F Kennedy Intl
£670JetBlue
Mon, 12 Oct - Mon, 19 Oct
Multiple Airlines Logo
11:55 - 23:54LHR  London Heathrow-PWM Portland
16h 59m1 stop New York John F Kennedy Intl
Multiple Airlines Logo
06:04 - 07:40PWM  Portland-LHR London Heathrow
20h 36m2 stops New York John F Kennedy Intl Amsterdam Schiphol
£702Multiple Airlines
Thu, 15 Oct - Mon, 19 Oct
Multiple Airlines Logo
08:00 - 23:54LHR  London Heathrow-PWM Portland
20h 54m2 stops Lisbon Humberto Delgado New York John F Kennedy Intl
Multiple Airlines Logo
06:00 - 06:35PWM  Portland-LHR London Heathrow
19h 35m2 stops Newark Toronto Pearson Intl
£710Multiple Airlines
Wed, 28 Oct - Wed, 4 Nov
United Airlines Logo
09:30 - 23:21LHR  London Heathrow-PWM Portland
17h 51m2 stops Frankfurt am Main Newark
United Airlines Logo
14:05 - 09:10PWM  Portland-LHR London Heathrow
14h 05m2 stops Washington, D.C. Dulles Intl Newark
£728United 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 return flight from London Heathrow Airport to Portland?

Return flights from London Heathrow Airport to Portland start at £608. Prices are typical for this route right now, with typical return fares ranging from £554 to £827. The lowest price found in the past 5 days was £608 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 and 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 £468 return.
  • August (£965) and September (£812) 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

£397
Best time to beat the crowds (16% less expensive on average)
Most popular time to fly (8% more expensive on average)
Flights from London Heathrow Airport to Portland

When to book flights from Heathrow to Portland

Are your dates flexible? Find out the best times to travel from Heathrow to Portland based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return 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).

  • Which 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 £648 return on average, while Tuesday is the most expensive at £1,085, a difference of £438. 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 direct 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, return flight prices on this route showed a wide range, from about £608 to £6,082. 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 £410, which is 41% below the typical average for this route.

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

    Flying via Newark (EWR) gives the shortest average 1-stop total travel time of 10h 49m, compared to 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.

  • Which car hire options are available at Portland Airport (PWM)?

    Portland Airport (PWM) hosts 5 major car hire companies, with daily rates starting from around £18 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?

    Return flights from London Heathrow Airport to Portland range from £554 to £827, with an average of £710 over the past 12 months. Anything below £554 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 are flexible, aim for a Thursday departure instead of Tuesday. On this route, Thursday flights average £648 – about £438 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 £468 return in that month – typically £497 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 Heathrow to Portland

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

Car hire in Portland
Hotels in Portland
Holidays in Portland