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

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

Yes. Flexible dates can save you up to 33% on flights from Portland to London. Sunday is the cheapest departure day at $796 round-trip on average, while Friday is the most expensive at $1,171, a difference of $375. 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 Hyde Park and Buckingham Palace. 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 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 $355, which is 28% 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, 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.

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

Round-trip flights from Portland to London typically range from $746 to $1,110. The lowest price found in the past 5 days was $735, 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?

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

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

United Airlines ($735) and Delta ($737) are the cheapest airlines to fly round-trip from Portland to London according to KAYAK data over the last 5 days.

What’s 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 6h 05m over the past 3 months.

$320 CHEAP FLIGHTS from Portland to London (PWM - LON)

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Cheapest round-trip

$735

Typical prices: $746-$1,110

United Airlines

Fri 11/16Sun 11/18

PWM - LHR • 2 stops

Cheapest one-way

$320

Typical prices: $359-$579

JetBlue

Wed 10/10

PWM - LHR • 1 stop

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

3:41 pm - 11:15 amPWM Portland-LHR London Heathrow

14h 34m2 stops Newark Zurich

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

43h 21m2 stops Halifax Intl Newark

$735United Airlines

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

$736United Airlines

Tue, Nov 10 - Tue, Nov 24

2:05 pm - 9:00 amPWM Portland-LHR London Heathrow

13h 55m1 stop Atlanta Hartsfield-Jackson

8:55 am - 12:19 amLHR London Heathrow-PWM Portland

20h 24m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

$737Delta

Mon, Nov 9 - Thu, Nov 12

5:08 pm - 7:55 amPWM Portland-LHR London Heathrow

33h 47m1 stop Chicago O'Hare Intl

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

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

$742United Airlines

Mon, Nov 16 - Wed, Nov 18

2:05 pm - 10:50 amPWM Portland-LHR London Heathrow

15h 45m1 stop Washington, D.C. Dulles Intl

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

19h 21m2 stops Zurich Newark

$743United Airlines

Tue, Nov 10 - Tue, Nov 24

2:05 pm - 7:50 amPWM Portland-LHR London Heathrow

12h 45m1 stop Atlanta Hartsfield-Jackson

1:05 pm - 12:19 amLHR London Heathrow-PWM Portland

16h 14m1 stop New York John F Kennedy Intl

$744Multiple Airlines

Mon, Nov 23 - Thu, Nov 26

3:41 pm - 7:10 amPWM Portland-LHR London Heathrow

34h 29m2 stops Newark Montreal Pierre Elliott Trudeau Intl

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

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

$747United Airlines

Mon, Nov 23 - Thu, Nov 26

5:08 pm - 7:55 amPWM Portland-LHR London Heathrow

33h 47m1 stop Chicago O'Hare Intl

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

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

$749United Airlines

Mon, Nov 16 - Wed, Nov 18

3:41 pm - 11:15 amPWM Portland-LHR London Heathrow

14h 34m2 stops Newark Zurich

8:00 am - 7:02 pmLHR London Heathrow-PWM Portland

16h 02m2 stops Newark Washington, D.C. Dulles Intl

$762United Airlines

Thu, Feb 11 - Sun, Feb 14

5:06 pm - 7:10 amPWM Portland-LHR London Heathrow

33h 04m2 stops Newark Montreal Pierre Elliott Trudeau Intl

6:50 am - 6:13 pmLHR London Heathrow-PWM Portland

16h 23m2 stops Brussels Bruxelles-National Newark

$769United 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 with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Portland to London? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Portland to London departing in november.
What is the cheapest Portland to London flight route? KAYAK tracks online flight deals over the last 12 months and analyzes pricing trends to identify the best available fares.: 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?: Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Portland to London. It’s 9% cheaper than the average day, while Friday is the most expensive, with prices 35% higher.

Find deals

Low season	February
High season	May
Cheapest flight	$320

Beat the crowds with an average 63% drop in travelers.

One-way 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.

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
How long is a flight from Portland to London?
A nonstop flight from Portland to London takes 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 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.
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 $355, which is 28% below the typical average for this route.
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
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).
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
Can I save money by using flexible dates for flights from Portland to London?
Yes. Flexible dates can save you up to 33% on flights from Portland to London. Sunday is the cheapest departure day at $796 round-trip on average, while Friday is the most expensive at $1,171, a difference of $375.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
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, 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 popular places can I visit in London?
Some of the most popular sights in London are Hyde Park and Buckingham Palace. These are among the most viewed places in London on KAYAK.

If your dates are flexible, aim for a Sunday departure and avoid flying on Friday. On this route, Sunday flights average $796, about $375 less than Friday fares (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

• Good Hotel London
• Aloft London Excel
• Novotel London Excel

Near London Heathrow Airport

• Hilton London Heathrow Airport

Near London Gatwick Airport

• Premier Inn London Gatwick Airport

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PWM - LON

$320 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?

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

What’s 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