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Portland To London Flights

  • One-Way
  • Round-Trip
  • Multi-City

From

Indira Gandhi International Airport

To

Chhatrapati Shivaji International Airport

DEPARTURE DATE

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Friday

Return Date

Book a round trip
to save more

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TRAVELLER & CLASS

1 Traveller

Economy

August
September
October
November
December
January
February
March
April

July is by far the best month, wherein you can get cheapest flights for Portland to London. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.

disclDisclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Best Flight From Portland To London

Cheapest
JetBlue Airways
JetBlue Airways

PWM

06:05

Portland

Portland International Jetport Airport

Tue , 05 Aug 2025

09h 40m
ellipse
1 Stop

LHR

20:45

London

London Heathrow Airport

Tue, 05 Aug 2025

£251
JetBlue Airways
JetBlue Airways

PWM

14:19

Portland

Portland International Jetport Airport

Thu , 31 Jul 2025

14h 11m
ellipse
1 Stop

LHR

09:30

London

London Heathrow Airport

Fri, 01 Aug 2025

£297
JetBlue Airways
JetBlue Airways

PWM

06:05

Portland

Portland International Jetport Airport

Thu , 31 Jul 2025

09h 40m
ellipse
1 Stop

LHR

20:45

London

London Heathrow Airport

Thu, 31 Jul 2025

£349
Air Canada
Air Canada

PWM

06:01

Portland

Portland International Jetport Airport

Tue , 05 Aug 2025

19h 29m
ellipse
2 Stop

LHR

06:30

London

London Heathrow Airport

Wed, 06 Aug 2025

£386
United Airlines
United Airlines

PWM

06:01

Portland

Portland International Jetport Airport

Thu , 31 Jul 2025

09h 39m
ellipse
1 Stop

LHR

20:40

London

London Heathrow Airport

Thu, 31 Jul 2025

£418
TAP Air Portugal
TAP Air Portugal

PWM

14:19

Portland

Portland International Jetport Airport

Tue , 05 Aug 2025

23h 31m
ellipse
2 Stop

LHR

18:50

London

London Heathrow Airport

Wed, 06 Aug 2025

£442
Delta Airlines
Delta Airlines

PWM

06:00

Portland

Portland International Jetport Airport

Thu , 31 Jul 2025

18h 50m
ellipse
2 Stop

LHR

05:50

London

London Heathrow Airport

Fri, 01 Aug 2025

£450
Virgin Atlantic Airways
Virgin Atlantic Airways

PWM

13:07

Portland

Portland International Jetport Airport

Thu , 31 Jul 2025

12h 38m
ellipse
1 Stop

LHR

06:45

London

London Heathrow Airport

Fri, 01 Aug 2025

£450
Virgin Atlantic Airways
Virgin Atlantic Airways

PWM

06:00

Portland

Portland International Jetport Airport

Thu , 31 Jul 2025

20h 15m
ellipse
1 Stop

LHR

07:15

London

London Heathrow Airport

Fri, 01 Aug 2025

£452
Austrian Airlines
Austrian Airlines

PWM

10:48

Portland

Portland International Jetport Airport

Thu , 07 Aug 2025

14h 07m
ellipse
1 Stop

LHR

05:55

London

London Heathrow Airport

Fri, 08 Aug 2025

£468
KLM Royal Dutch Airlines
KLM Royal Dutch Airlines

PWM

14:34

Portland

Portland International Jetport Airport

Thu , 31 Jul 2025

10h 51m
ellipse
1 Stop

LHR

06:25

London

London Heathrow Airport

Fri, 01 Aug 2025

£470
ellipse

Early Morning Flight Portland to London

wallet
Cheapest Flight
Found
£450
group
Average Flight
Time
18h 50m
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Date/Time
31 Jul 2025
06:00 AM
plane
Airlines
Delta Airlines
Ellipse

Late Night Flight Portland to London

wallet
Cheapest Flight
Found
£2295
group
Average Flight
Time
13h 31m
calendar
Date/Time
10 Aug 2025
18:59 PM
plane
Airlines
Air France

Flights from Portland to London with Easemytrip

Flying from Portland to London has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.

The air route between Portland to London is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Portland International Jetport Airport (PWM) and London Heathrow Airport (LHR). You can expect a flight distance of approximately 5109 km, and most direct services cover it in around 20:26.

Let’s take a closer look at everything you need to know before booking your flight from Portland to London.

Travel Overview: Portland to London

Flight Details Information
Route Distance 5109 km
Average Flight Time 20:26 hrs
Departure Airport Portland International Jetport Airport (PWM)
Arrival Airport London Heathrow Airport (LHR)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights NO
Common Airlines JetBlue Airways, Air Canada, United Airlines, TAP Air Portugal

The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.

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FAQs about flights from Portland to London

Are there direct flights from Portland to London?

How early should I book?

Which airlines offer the most frequent service?

Is it cheaper to fly round-trip or one-way?

Can I mix airlines for departure and return?

Is it possible to change or cancel my booking after confirmation?

Can I book additional baggage or in-flight services in advance?