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

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

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

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

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

One-stop flights from Portland to London Heathrow Airport most commonly connect through: • Newark (EWR) - 47% of one-stop connections • Philadelphia (PHL) - 24% of one-stop connections • New York John F Kennedy Intl (JFK) - 22% 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 Heathrow Airport?

Yes. Flexible dates can save you up to 48% on flights from Portland to London Heathrow Airport. Sunday is the cheapest departure day at $796 round-trip on average, while Friday is the most expensive at $1,528, a difference of $732. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in London Heathrow Airport?

Some of the most popular sights in London Heathrow Airport are Hyde Park and Buckingham Palace. These are among the most viewed places in London Heathrow Airport on KAYAK.

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

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

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

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 Heathrow Airport looking right now?

One-way fares from Portland to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about $336, which is 29% below the typical average for this route.

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

Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 10h 49m, compared with 11h 15m via Philadelphia (PHL) and 12h 26m via Chicago O'Hare Intl (ORD).

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

London Heathrow Airport is 4 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 at London Heathrow Airport (LHR)?

London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates averaging $39 for economy cars. Top options include: • GREEN MOTION • DRIVALIA • Europcar • Alamo • Hertz

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

Round-trip flights from Portland to London Heathrow Airport range from $746 to $1,073, with an average of $859 over the past 12 months. Anything below $746 counts as a good deal.

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

Round-trip flights from Portland to London Heathrow Airport typically range from $746 to $1,073. The lowest price found in the past 5 days was $766, on United Airlines.

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

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 Heathrow Airport. It’s 8% cheaper than the average day, while Friday is the most expensive, with prices 77% higher.

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

United Airlines ($766) and Air Canada ($786) are the cheapest airlines to fly round-trip from Portland to London Heathrow Airport according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Portland to London Heathrow Airport?

Newark (EWR) is the most popular layover for the Portland to London Heathrow Airport route. 47% 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 Heathrow Airport?

Flights via Philadelphia (PHL) offer the most affordable fares, with an average round-trip price of $965. Based on KAYAK data over the past 3 months.

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

Newark (EWR) had the shortest average connection time for Portland to London Heathrow Airport layovers at 5h 53m over the past 3 months.

$290 CHEAP FLIGHTS from Portland to London Heathrow (PWM - LHR)

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Cheapest round-trip

$766

Typical prices: $746-$1,073

United Airlines

Fri 11/16Sun 11/18

PWM - LHR • 2 stops

Cheapest one-way

$290

Typical prices: $330-$597

JetBlue

Sat 11/17

PWM - LHR • 1 stop

Nonstop flights

Not available

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

Insights

When to travel

December

Cheapest • 19% price drop

May

Most popular

Good to know

Top layover airports

Philadelphia (PHL)

Cheapest • Avg $965 (round-trip)

Newark (EWR)

Shortest trip • 10h 49m (one-way)

Insights

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We hope you love your trip to London Heathrow Airport!

Flight Deals

Cheap Flights from Portland to London (PWM-LHR)

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

$767United Airlines

Tue, Nov 10 - Thu, Nov 12

9:46 am - 10:50 amPWM Portland-LHR London Heathrow

20h 04m1 stop Washington, D.C. Dulles Intl

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

19h 21m2 stops Zurich Newark

$767United Airlines

Mon, Nov 16 - Wed, Nov 18

3:41 pm - 4:20 pmPWM Portland-LHR London Heathrow

19h 39m2 stops Newark Zurich

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

43h 21m2 stops Halifax Intl Newark

$771United 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

$772United Airlines

Mon, Nov 16 - Wed, Nov 18

3:41 pm - 9:10 amPWM Portland-LHR London Heathrow

12h 29m1 stop Newark

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

21h 31m2 stops Brussels Bruxelles-National Newark

$772United Airlines

Mon, Nov 16 - Wed, Nov 18

5:35 am - 7:10 amPWM Portland-LHR London Heathrow

20h 35m2 stops Newark Montreal Pierre Elliott Trudeau Intl

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

21h 31m2 stops Brussels Bruxelles-National Newark

$775United Airlines

Tue, Nov 10 - Thu, Nov 12

9:46 am - 7:10 amPWM Portland-LHR London Heathrow

16h 24m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl

6:00 am - 11:21 pmLHR London Heathrow-PWM Portland

22h 21m3 stops Zurich Toronto Pearson Intl Newark

$778Multiple Airlines

Tue, Nov 10 - Thu, Nov 12

8:49 am - 7:10 amPWM Portland-LHR London Heathrow

17h 21m3 stops Newark Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

6:00 am - 11:21 pmLHR London Heathrow-PWM Portland

22h 21m3 stops Zurich Toronto Pearson Intl Newark

$786Air Canada

Tue, Nov 10 - Thu, Nov 12

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

14h 34m2 stops Newark Zurich

9:10 am - 7:02 pmLHR London Heathrow-PWM Portland

14h 52m2 stops Newark Washington, D.C. Dulles Intl

$794United 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

$794United Airlines

Recent last minute flight deals from Portland to London

Wed, Nov 4 - Sun, Nov 15

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

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

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

19h 21m2 stops Zurich Newark

$874United Airlines

Wed, Nov 4 - Sun, Nov 15

8:49 am - 7:10 amPWM Portland-LHR London Heathrow

17h 21m2 stops Newark Montreal Pierre Elliott Trudeau Intl

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

19h 21m2 stops Zurich Newark

$877United Airlines

Wed, Nov 4 - Sun, Nov 15

12:42 pm - 7:45 amPWM Portland-LHR London Heathrow

14h 03m1 stop Detroit Metropolitan Wayne County

4:35 pm - 12:19 amLHR London Heathrow-PWM Portland

12h 44m1 stop New York John F Kennedy Intl

$905Delta

Sun, Nov 1 - Thu, Nov 5

11:55 am - 7:05 amPWM Portland-LHR London Heathrow

14h 10m1 stop Minneapolis St Paul

6:30 am - 9:00 pmLHR London Heathrow-PWM Portland

19h 30m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,257Multiple Airlines

Sun, Nov 1 - Thu, Nov 5

11:55 am - 10:30 amPWM Portland-LHR London Heathrow

17h 35m2 stops Minneapolis St Paul Paris Charles de Gaulle

6:30 am - 9:00 pmLHR London Heathrow-PWM Portland

19h 30m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,265Delta

Sun, Nov 1 - Thu, Nov 5

11:55 am - 7:05 amPWM Portland-LHR London Heathrow

14h 10m1 stop Minneapolis St Paul

8:55 am - 9:00 pmLHR London Heathrow-PWM Portland

17h 05m1 stop Atlanta Hartsfield-Jackson

$1,287Multiple Airlines

Wed, Nov 4 - Sun, Nov 15

10:50 am - 7:10 amPWM Portland-LHR London Heathrow

15h 20m2 stops Newark Montreal Pierre Elliott Trudeau Intl

6:00 am - 11:21 pmLHR London Heathrow-PWM Portland

22h 21m3 stops Zurich Toronto Pearson Intl Newark

$1,550Multiple Airlines

Wed, Nov 4 - Sun, Nov 15

8:49 am - 6:30 amPWM Portland-LHR London Heathrow

16h 41m3 stops Newark Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

6:00 am - 11:21 pmLHR London Heathrow-PWM Portland

22h 21m3 stops Zurich Toronto Pearson Intl Newark

$2,022Air Canada

Sat, Oct 31 - Thu, Nov 5

6:00 am - 8:35 pmPWM Portland-LHR London Heathrow

10h 35m1 stop Newark

9:10 am - 7:02 pmLHR London Heathrow-PWM Portland

14h 52m2 stops Newark Washington, D.C. Dulles Intl

$9,473United Airlines

Sat, Oct 31 - Thu, Nov 5

6:00 am - 8:35 pmPWM Portland-LHR London Heathrow

10h 35m1 stop Newark

9:10 am - 6:49 pmLHR London Heathrow-PWM Portland

14h 39m1 stop Newark

$10,093United Airlines

Booking Insights

Price, demand and travel trends for Portland to London Heathrow Airport 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 Heathrow Airport? 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 Heathrow Airport departing in november.
What's the cheapest day of the week to fly from Portland to London Heathrow Airport?: 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 Heathrow Airport. It’s 8% cheaper than the average day, while Friday is the most expensive, with prices 77% higher.

Find deals

Low season	February
High season	May
Cheapest flight	$290

Beat the crowds with an average 74% drop in travelers.

The most popular month to fly with an average 48% increase 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 Heathrow Airport?
Two cabin classes are available on flights from Portland to London Heathrow Airport:

• Economy Class
• First Class
How long is a flight from Portland to London Heathrow Airport?
A nonstop flight from Portland to London Heathrow Airport takes 00m, covering 3,173 miles.
Do I need a passport to fly from Portland to London Heathrow Airport?
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 Heathrow Airport flight?
Round-trip flights from Portland to London Heathrow Airport range from $746 to $1,073, with an average of $859 over the past 12 months. Anything below $746 counts as a good deal.
How are flight prices from Portland to London Heathrow Airport looking right now?
One-way fares from Portland to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about $336, which is 29% below the typical average for this route.
What car rental options are available at London Heathrow Airport (LHR)?
London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates averaging $39 for economy cars. Top options include:

• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• Hertz
Which airports can I use when flying from Portland to London Heathrow Airport?
Flights from Portland to London Heathrow Airport usually depart from Portland (PWM) and arrive at London Heathrow (LHR).
Which airports do connecting flights from Portland to London Heathrow Airport pass through?
One-stop flights from Portland to London Heathrow Airport most commonly connect through:

• Newark (EWR) - 47% of one-stop connections
• Philadelphia (PHL) - 24% of one-stop connections
• New York John F Kennedy Intl (JFK) - 22% 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 Heathrow Airport?
Yes. Flexible dates can save you up to 48% on flights from Portland to London Heathrow Airport. Sunday is the cheapest departure day at $796 round-trip on average, while Friday is the most expensive at $1,528, a difference of $732.

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 Heathrow Airport?
Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 10h 49m, compared with 11h 15m via Philadelphia (PHL) and 12h 26m via Chicago O'Hare Intl (ORD).
What is the time difference between Portland and London Heathrow Airport?
London Heathrow Airport is 4 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 Heathrow Airport?
Some of the most popular sights in London Heathrow Airport are Hyde Park and Buckingham Palace. These are among the most viewed places in London Heathrow Airport 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 $732 less than Friday fares (48% savings) based on the last 12 months.
If you can choose when to travel, plan your Portland to London Heathrow Airport 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, check out these hotels close to London Heathrow Airport.

• Hilton London Heathrow Airport

More options for your flight from Portland to London

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PWM - LHR

$290 Find Cheap Flights from Portland to London Heathrow Airport - Compare and Save

Everything you should know

Cheap Flights from Portland to London (PWM-LHR)

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 Heathrow Airport flights

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

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

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

What’s the most popular layover airport when flying from Portland to London Heathrow Airport?

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

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

Key details for Portland to London Heathrow Airport flights

Low season

High season

Cheapest flight

When to book flights from Portland to London

Your Portland to London Heathrow Airport flight questions, answered

Your guide to booking Portland to London Heathrow Airport 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 to London

Find direct flights to and from Portland and London

Flights from domestic origins to London

Choose which airport to fly into in Portland

Flights to other popular destinations

Find deals for your return flight