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

Flights from Portland to London usually depart from Portland (PWM) and may arrive at several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).

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

Two cabin classes are available on flights from Portland to London: • Economy Class • First Class

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

One-stop flights from Portland to London most commonly connect through: • Newark (EWR) - 49% of one-stop connections • Philadelphia (PHL) - 23% of one-stop connections • New York John F Kennedy Intl (JFK) - 21% of one-stop connections • Atlanta Hartsfield-Jackson (ATL) - 4% of one-stop connections Newark (EWR) handles the largest share of one-stop connections on this route.

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

On the Portland to London route, being flexible with your departure day can save you up to 33%. Sunday is the cheapest day at $796 round-trip on average, while Friday is the most expensive at $1,171: a $375 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in London?

Some of the most popular sights in London are Paddington Station, Central London and London Victoria Station. These are among the most viewed places in London on KAYAK.

How long is a flight from Portland to London?

A nonstop flight from Portland to London takes 0h 00m, covering 3,186 miles.

Do I need a passport to fly from Portland to London?

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.

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

One-way fares from Portland to London are currently lower than usual. Average one-way flight prices are about $333, which is 33% below the typical average for this route.

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

Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 11h 00m, compared with 11h 19m via Philadelphia (PHL) and 12h 26m via Chicago O'Hare Intl (ORD).

What is the time difference between Portland and London?

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

What car rental options are available in London?

Since London is served by multiple airports, car rental options and rates can vary depending on which one you fly into. Near London Heathrow Airport (LHR) — daily rates from around $7: · GREEN MOTION · DRIVALIA · Europcar · Alamo · Hertz Near London Gatwick Airport (LGW) — daily rates from around $8: · GREEN MOTION · DRIVALIA · U-Save · Europcar · Alamo Near London City Airport (LCY) — daily rates from around $11: · GREEN MOTION · Budget · Hertz · Avis · Sixt Near London Luton Airport (LTN) — daily rates from around $11: · GREEN MOTION · DRIVALIA · Alamo · Europcar · Budget Near London Stansted Airport (STN) — daily rates from around $10: · GREEN MOTION · DRIVALIA · Europcar · Alamo · U-Save

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

Round-trip flights from Portland to London range from $746 to $1,110, with an average of $867 over the past 12 months. Anything below $746 counts as a good deal.

What is the cheapest airline to fly from Portland to London?

United Airlines ($759) offered the cheapest round-trip ticket from Portland to London in the last 5 days.

What is the most popular layover airport when flying from Portland to London?

Newark (EWR) is the most popular layover for the Portland to London route. 49% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via EWR.

What is the cheapest layover airport when flying from Portland to London?

Flights via Newark (EWR) offer the most affordable fares, with an average round-trip price of $952. Based on KAYAK data over the past 3 months.

When flying from Portland to London which airport offers the shortest layover?

Newark (EWR) had the shortest average connection time for Portland to London layovers at 365 minutes over the past 3 months.

$321 CHEAP FLIGHTS from Portland to London (PWM - LON)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$759

Typical prices: $746-$1,110

United Airlines

Fri 11/16Sun 11/18

PWM - LHR • 1 stop

Cheapest one-way

$321

Typical prices: $359-$579

Air Canada

Thu 11/22

PWM - LHR • 2 stops

Nonstop flights

Not available

There are currently no direct flights between Portland and London. You'll need to take a connecting flight to reach the destination.

Insights

Top routes

PWM - LCY

Cheapest • 13% average savings

PWM - LHR

Most popular

Insights

When to travel

December

Cheapest • 19% price drop

May

Most popular

Good to know

Top layover airports

Newark (EWR)

Cheapest • Avg $952 (round-trip)

Philadelphia (PHL)

Shortest trip • 11h 19m (one-way)

Insights

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We hope you love your trip to London!

Flight Deals

Cheap Flights from Portland to London (PWM-LON)

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Portland to London

Mon, Nov 16 - Wed, Nov 18

8:49 am - 9:10 amPWM Portland-LHR London Heathrow

19h 21m1 stop Newark

6:50 am - 11:21 pmLHR London Heathrow-PWM Portland

21h 31m2 stops Brussels Bruxelles-National Newark

$759United Airlines

Mon, Nov 16 - Wed, Nov 18

3:41 pm - 10:05 amPWM Portland-LHR London Heathrow

13h 24m2 stops Newark Brussels Bruxelles-National

9:10 am - 9:51 pmLHR London Heathrow-PWM Portland

17h 41m2 stops Newark Chicago O'Hare Intl

$786United Airlines

Tue, Oct 20 - Tue, Oct 27

5:09 pm - 10:00 amPWM Portland-LGW London Gatwick

35h 51m2 stops Raleigh-Durham Orlando

10:10 am - 9:08 amLGW London Gatwick-PWM Portland

26h 58m1 stop Orlando

$803Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

6:00 am - 9:25 pmPWM Portland-LHR London Heathrow

10h 25m1 stop Newark

6:50 am - 7:02 pmLHR London Heathrow-PWM Portland

16h 12m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$858United Airlines

Mon, Oct 19 - Sun, Oct 25

7:00 am - 10:00 amPWM Portland-LGW London Gatwick

22h 00m2 stops Cincinnati Cinci./N. Kentucky Orlando

12:35 pm - 9:08 amLGW London Gatwick-PWM Portland

24h 33m1 stop Orlando

$858Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

3:41 pm - 10:25 amPWM Portland-LHR London Heathrow

13h 44m1 stop Newark

6:50 am - 11:21 pmLHR London Heathrow-PWM Portland

21h 31m2 stops Brussels Bruxelles-National Newark

$866United Airlines

Wed, Oct 7 - Wed, Oct 14

11:35 am - 6:45 amPWM Portland-LHR London Heathrow

14h 10m1 stop Chicago O'Hare Intl

6:50 am - 9:08 amLHR London Heathrow-PWM Portland

31h 18m2 stops Brussels Bruxelles-National Newark

$866United Airlines

Tue, Nov 10 - Tue, Nov 24

2:05 pm - 6:40 amPWM Portland-LHR London Heathrow

11h 35m1 stop Washington, D.C. Dulles Intl

6:50 am - 7:02 pmLHR London Heathrow-PWM Portland

17h 12m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$866United Airlines

Wed, Oct 14 - Fri, Nov 6

3:41 pm - 7:15 amPWM Portland-LHR London Heathrow

10h 34m1 stop Newark

6:50 am - 11:21 pmLHR London Heathrow-PWM Portland

21h 31m2 stops Brussels Bruxelles-National Newark

$866United Airlines

Sat, Oct 10 - Tue, Oct 27

6:00 am - 9:00 pmPWM Portland-LHR London Heathrow

34h 00m2 stops Newark Halifax Intl

9:00 am - 11:21 pmLHR London Heathrow-PWM Portland

42h 21m2 stops Halifax Intl Newark

$872Air Canada

Recent last minute flight deals from Portland to London

Mon, Sep 14 - Mon, Sep 21

4:57 pm - 11:55 amPWM Portland-LHR London Heathrow

13h 58m1 stop Chicago O'Hare Intl

6:50 am - 6:29 pmLHR London Heathrow-PWM Portland

16h 39m2 stops Brussels Bruxelles-National Newark

$926United Airlines

Mon, Sep 14 - Mon, Sep 21

9:49 am - 5:55 amPWM Portland-LHR London Heathrow

15h 06m2 stops Washington, D.C. Dulles Intl Newark

6:50 am - 6:29 pmLHR London Heathrow-PWM Portland

16h 39m2 stops Brussels Bruxelles-National Newark

$931United Airlines

Mon, Sep 14 - Mon, Sep 21

4:57 pm - 11:55 amPWM Portland-LHR London Heathrow

13h 58m1 stop Chicago O'Hare Intl

3:20 pm - 11:32 pmLHR London Heathrow-PWM Portland

13h 12m1 stop Newark

$956United Airlines

Mon, Sep 14 - Tue, Sep 22

6:06 am - 10:00 amPWM Portland-LHR London Heathrow

22h 54m2 stops Newark Montreal Pierre Elliott Trudeau Intl

2:05 pm - 1:55 pmLHR London Heathrow-PWM Portland

28h 50m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$2,239Air Canada

Mon, Sep 14 - Tue, Sep 22

4:20 pm - 10:45 amPWM Portland-LHR London Heathrow

13h 25m2 stops New York John F Kennedy Intl Amsterdam Schiphol

12:50 pm - 11:56 pmLHR London Heathrow-PWM Portland

16h 06m1 stop New York John F Kennedy Intl

$2,446Delta

Mon, Sep 14 - Tue, Sep 22

8:00 am - 11:55 amPWM Portland-LHR London Heathrow

22h 55m1 stop Chicago O'Hare Intl

10:25 am - 6:29 pmLHR London Heathrow-PWM Portland

13h 04m1 stop Newark

$2,511Austrian Airlines

Mon, Sep 14 - Tue, Sep 22

10:50 am - 8:35 amPWM Portland-LHR London Heathrow

16h 45m3 stops Newark Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

2:05 pm - 11:32 pmLHR London Heathrow-PWM Portland

14h 27m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$3,021Multiple Airlines

Mon, Sep 14 - Tue, Sep 22

10:50 am - 8:35 amPWM Portland-LHR London Heathrow

16h 45m3 stops Newark Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

8:30 am - 11:32 pmLHR London Heathrow-PWM Portland

20h 02m3 stops Toronto Pearson Intl Ottawa Newark

$3,026Air Canada

Mon, Sep 14 - Tue, Sep 22

6:00 am - 8:40 amPWM Portland-LCY London City

21h 40m2 stops New York John F Kennedy Intl Frankfurt am Main

9:15 am - 11:54 pmLCY London City-PWM Portland

19h 39m2 stops Frankfurt am Main New York John F Kennedy Intl

$3,042Multiple Airlines

Mon, Sep 14 - Tue, Sep 22

6:00 am - 9:00 amPWM Portland-LGW London Gatwick

22h 00m2 stops New York John F Kennedy Intl Frankfurt am Main

7:45 pm - 11:54 pmLGW London Gatwick-PWM Portland

33h 09m2 stops Frankfurt am Main New York John F Kennedy Intl

$3,307Multiple Airlines

Booking Insights

Price, demand and travel trends for Portland to London flights

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

Prices

Airlines

Layovers

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

Round-trip flights from Portland to London start at $759. Prices are typical for this route right now, with typical round-trip fares ranging from $746 to $1,110. The lowest price found in the past 5 days was $759 on United Airlines.

What is the cheapest Portland to London flight route?

Portland (PWM) to London City Airport (LCY) is the cheapest Portland to London route, averaging $664 round-trip. Other Portland to London routes average $867, based on KAYAK data over the past 12 months.

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

Sunday is the cheapest day of the week to fly from Portland to London, it is 9% cheaper than the average day. Friday is the most expensive day with flight prices 35% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Low season	February
High season	May
Cheapest flight	$321

Best time to beat the crowds with an average 13% drop in price.

Most popular time to fly with an average 7% increase in price.

Flight from Portland to London Heathrow Airport

When to book flights from Portland to London

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

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Portland to London?
Flights from Portland to London usually depart from Portland (PWM) and may arrive at several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).
What cabin classes can I book on flights from Portland to London?
Two cabin classes are available on flights from Portland to London:

• Economy Class
• First Class
Which airports do connecting flights from Portland to London pass through?
One-stop flights from Portland to London most commonly connect through:

• Newark (EWR) - 49% of one-stop connections
• Philadelphia (PHL) - 23% of one-stop connections
• New York John F Kennedy Intl (JFK) - 21% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 4% of one-stop connections

Newark (EWR) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Portland to London?
On the Portland to London route, being flexible with your departure day can save you up to 33%. Sunday is the cheapest day at $796 round-trip on average, while Friday is the most expensive at $1,171: a $375 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
What popular places can I visit in London?
Some of the most popular sights in London are Paddington Station, Central London and London Victoria Station. These are among the most viewed places in London on KAYAK.
How long is a flight from Portland to London?
A nonstop flight from Portland to London takes 0h 00m, covering 3,186 miles.
Do I need a passport to fly from Portland to London?
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.
How are flight prices from Portland to London looking right now?
One-way fares from Portland to London are currently lower than usual. Average one-way flight prices are about $333, which is 33% below the typical average for this route.
How much time can I save by choosing a different layover airport from Portland to London?
Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 11h 00m, compared with 11h 19m via Philadelphia (PHL) and 12h 26m via Chicago O'Hare Intl (ORD).
What is the time difference between Portland and London?
London is 5 hours ahead of Portland (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available in London?
Since London is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near London Heathrow Airport (LHR) — daily rates from around $7:

· GREEN MOTION
· DRIVALIA
· Europcar
· Alamo
· Hertz

Near London Gatwick Airport (LGW) — daily rates from around $8:

· GREEN MOTION
· DRIVALIA
· U-Save
· Europcar
· Alamo

Near London City Airport (LCY) — daily rates from around $11:

· GREEN MOTION
· Budget
· Hertz
· Avis
· Sixt

Near London Luton Airport (LTN) — daily rates from around $11:

· GREEN MOTION
· DRIVALIA
· Alamo
· Europcar
· Budget

Near London Stansted Airport (STN) — daily rates from around $10:

· GREEN MOTION
· DRIVALIA
· Europcar
· Alamo
· U-Save
How much should I expect to pay for a Portland to London flight?
Round-trip flights from Portland to London range from $746 to $1,110, with an average of $867 over the past 12 months. Anything below $746 counts as a good deal.

If your dates can be flexible, aim for a Sunday departure instead of Friday. On this route, Sunday flights average $796 - about $375 less than Friday (32% savings) based on the last 12 months.
If you can choose when to travel, plan your Portland to London trip for December. Fares historically average $700 round-trip in that month - typically $595 less than the most expensive month, which is July (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

Near London City Airport

· Crowne Plaza London Docklands By IHG
· Good Hotel London
· Novotel London Excel

Near London Heathrow Airport

· Hilton London Heathrow Airport

Near London Gatwick Airport

· Premier Inn London Gatwick Airport

More options for your flight from Portland to London

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

Car rentals in London

Hotels in London

Vacations in London

PWM - LON

$321 Find Cheap Flights from Portland to London - Compare and Save

Everything you should know

Cheap Flights from Portland to London (PWM-LON)

Recent round-trip flight deals from Portland to London

Recent one-way flight deals from Portland to London

Recent last minute flight deals from Portland to London

Price, demand and travel trends for Portland to London flights

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

What is the cheapest Portland to London flight route?

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

What is the cheapest airline to fly from Portland to London?

What is the most popular layover airport when flying from Portland to London?

What is the cheapest layover airport when flying from Portland to London?

When flying from Portland to London which airport offers the shortest layover?

Key details for Portland to London flights

Low season

High season

Cheapest flight

When to book flights from Portland to London

Your Portland to London flight questions, answered

Your guide to booking Portland to London flights

More options for your flight from Portland to London

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

Information on your arrival and departure airports

Cabin class types available on flights from Portland to London

Find direct flights to and from Portland and London

Flights from domestic origins to London

Choose which airport to fly into in London

Flights to other popular destinations