What airlines fly to Portland?

British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to Portland from London according to our data. British Airways is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 3 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

Which airline has the best punctuality record on London to Portland flights?

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 20% of their flights experiencing any sort of delay.

What is the most punctual flight time for London to Portland flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

How often are flights from London to Portland delayed?

Historically, on average around 20% of flights between London and Portland have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

What is the cheapest airline that flies from London to Portland?

Icelandair, Lufthansa, and SWISS are the most popular carriers operating from London to Portland

When did momondo last update prices for flights from London to Portland Airport?

Prices for flights from London to Portland Airport are updated daily.

How many operators does momondo search for flights from London to Portland Airport?

There are 3 operators available for flights from London to Portland Airport as of January 2026.

How old do you have to be to fly from London to Portland Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$355 Cheap Flights from London to Portland in 2026

Q: What is the typical price of a round-trip flight between London and Portland?

Prices are currently low for flights on this route. Typical prices usually range from $713 to $842. The lowest price recently found on this route was $675.

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Find the cheapest flights from London to Portland

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:15 pm - 6:00 pm

LHR

PDX

12h 45m

1 stop

3:45 pm - 10:50 am

PDX

LHR

12h 05m

1 stop

$675Icelandair

Mon, Mar 9 - Mon, Mar 16

1:05 pm - 6:00 pm

LHR

PDX

12h 55m

1 stop

3:30 pm - 8:20 pm

PDX

LHR

20h 50m

1 stop

$677Icelandair

Mon, May 4 - Mon, May 18

12:15 pm - 5:00 pm

LHR

PDX

12h 45m

1 stop

3:45 pm - 7:30 pm

PDX

LHR

20h 45m

1 stop

$678Icelandair

Fri, Mar 6 - Tue, Mar 10

6:30 am - 10:40 pm

LHR

PDX

24h 10m

2 stops

9:50 am - 11:50 am

PDX

LHR

18h 00m

1 stop

$699Lufthansa

Thu, Feb 26 - Sun, Mar 1

8:55 am - 8:33 pm

LHR

PDX

19h 38m

1 stop

7:05 am - 6:55 am

PDX

LHR

16h 50m

1 stop

$707Multiple Airlines

Wed, Feb 25 - Wed, Mar 11

6:30 am - 10:40 pm

LHR

PDX

24h 10m

2 stops

7:00 am - 8:45 am

PDX

LHR

17h 45m

2 stops

$708Lufthansa

Thu, Feb 26 - Sun, Mar 1

8:55 am - 8:33 pm

LHR

PDX

19h 38m

1 stop

7:05 am - 6:55 am

PDX

LHR

15h 50m

1 stop

$711Multiple Airlines

Wed, Feb 25 - Wed, Mar 4

11:05 am - 5:33 pm

LHR

PDX

14h 28m

1 stop

7:35 pm - 10:30 am

PDX

LHR

30h 55m

1 stop

$727Virgin Atlantic

Mon, Feb 16 - Sun, Feb 22

6:55 pm - 11:25 am

LCY

PDX

24h 30m

1 stop

1:27 pm - 4:35 pm

PDX

LCY

19h 08m

2 stops

$788Virgin Atlantic

Tue, Feb 24 - Tue, Mar 3

8:25 am - 8:59 pm

LCY

PDX

20h 34m

2 stops

1:05 pm - 9:30 am

PDX

LCY

12h 25m

1 stop

$934Delta

Tue, Mar 31 - Tue, Apr 7

Virgin Atlantic flights from London to Portland

Our best Virgin Atlantic deals on London to Portland flight tickets

Virgin Atlantic

Feb 16

LHR11:05 amLondon Heathrow

14h 28m

1 stop

PDX5:33 pmPortland

Feb 22

PDX7:35 pmPortland

30h 55m

1 stop

LHR10:30 amLondon Heathrow

$727

Virgin Atlantic

Mar 9

LHR2:30 pmLondon Heathrow

16h 28m

1 stop

PDX11:58 pmPortland

Mar 14

PDX5:36 pmPortland

33h 54m

1 stop

LHR10:30 amLondon Heathrow

$767

Virgin Atlantic

Feb 24

LCY6:55 pmLondon City

24h 30m

1 stop

PDX11:25 amPortland

Mar 3

PDX1:27 pmPortland

19h 08m

2 stops

LCY4:35 pmLondon City

$788

United Airlines flights from London to Portland

Our best United Airlines deals on London to Portland flight tickets

United Airlines

Feb 16

LHR7:55 amLondon Heathrow

19h 00m

2 stops

PDX6:55 pmPortland

Feb 22

PDX5:05 amPortland

16h 50m

2 stops

LHR5:55 amLondon Heathrow

$742

United Airlines

Feb 13

LHR11:30 amLondon Heathrow

21h 04m

2 stops

PDX12:34 amPortland

Mar 7

PDX7:00 amPortland

14h 55m

1 stop

LHR5:55 amLondon Heathrow

$960

United Airlines

Feb 8

LHR10:00 amLondon Heathrow

20h 53m

1 stop

PDX10:53 pmPortland

Feb 14

PDX3:15 pmPortland

12h 05m

1 stop

LHR11:20 amLondon Heathrow

$1,487

Fly from

Fly to

Route

Depart

Return

Price

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 3/9

12:15 pm-6:00 pm

1 stop12h 45m

Portland

Mon 3/16

3:45 pm-10:50 am

1 stop12h 05m

$675

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 5/4

1:05 pm-6:00 pm

1 stop12h 55m

Portland

Mon 5/18

3:30 pm-8:20 pm

1 stop20h 50m

$677

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 3/6

12:15 pm-5:00 pm

1 stop12h 45m

Portland

Tue 3/10

3:45 pm-7:30 pm

1 stop20h 45m

$678

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 2/26

6:30 am-10:40 pm

2 stops24h 10m

Portland

Sun 3/1

9:50 am-11:50 am

1 stop18h 00m

$699

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 2/25

8:55 am-8:33 pm

1 stop19h 38m

Portland

Wed 3/11

7:05 am-6:55 am

1 stop16h 50m

$707

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 2/26

6:30 am-10:40 pm

2 stops24h 10m

Portland

Sun 3/1

7:00 am-8:45 am

2 stops17h 45m

$708

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 2/25

8:55 am-8:33 pm

1 stop19h 38m

Portland

Wed 3/4

7:05 am-6:55 am

1 stop15h 50m

$711

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 2/16

11:05 am-5:33 pm

1 stop14h 28m

Portland

Sun 2/22

7:35 pm-10:30 am

1 stop30h 55m

$727

LondonPortland

LCY - PDX

LCYPDX

London City

Tue 2/24

6:55 pm-11:25 am

1 stop24h 30m

Portland

Tue 3/3

1:27 pm-4:35 pm

2 stops19h 08m

$788

LondonPortland

LCY - PDX

LCYPDX

London City

Tue 3/31

8:25 am-8:59 pm

2 stops20h 34m

Portland

Tue 4/7

1:05 pm-9:30 am

1 stop12h 25m

$934

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

What is the typical price of a round-trip flight between London and Portland?

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from London is in September. Flight prices, which tend to average around $737, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in September, then you should wait until February to fly from London, when ticket prices are also cheap, with an average price of $768.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Saturday when prices can be found for as low as $886. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $1,278.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is at noon when flights can be purchased for as low as $899. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $948 per ticket.

What is the cheapest London to Portland flight route?

Fly from London Heathrow to Portland for the best London - Portland flight prices

How far in advance should I book a flight to Portland?

You are more likely to see cheaper flights to Portland from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $880 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from London for as low as $790 on momondo.

What cabin class options are available on London to Portland flights?

There are 3 cabin classes available to choose from on London to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London to Portland flight prices changed over time?

As of January 2026, prices for London to Portland flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from London to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from London to Portland according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap London to Portland (LON to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Portland

Best Price Found	$749
Fastest flight time	10h 00m
Direct flights	Every day
Airports in Portland	1 airport

The best one-way flight to Portland from London in the past 72 hours is $749. The best round-trip flight deal from London to Portland found on momondo in the last 72 hours is $1,258.

The fastest flight from London to Portland takes 10h 00m

Direct flights go from London to Portland every day.

There is 1 airport in Portland. From London there are direct flights to Portland (PDX).

Search flight deals

How far is London to Portland by plane?
The distance between London and Portland is about 4909.8 mi. Typically, this will take 10h 00m by plane in normal conditions.
When did momondo last update prices for flights from London to Portland Airport?
Prices for flights from London to Portland Airport are updated daily.
How many operators does momondo search for flights from London to Portland Airport?
There are 3 operators available for flights from London to Portland Airport as of January 2026.
How old do you have to be to fly from London to Portland Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Portland?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Portland is Boeing 787-8 Dreamliner (41.66% of total bookings). The next most popular plane models are Boeing 787-10 Dreamliner (29.38%), Boeing 787-9 Dreamliner (18.34%), and Boeing 777-300ER (3.03%).
What is the most popular airline from London to Portland?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London to Portland is British Airways (49% of total bookings). The next most popular airlines are American Airlines (26%) and Icelandair (25%).

Best airlines flying from London to Portland

Compare and see reviews for airlines that fly from London to Portland with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $704	Free Cancellation	Rating 7.4 9,215 reviews	Search United Airlines flights
British Airways	PriceFrom $715	Free Cancellation	Rating 6.7 7,705 reviews	Search British Airways flights
American Airlines	PriceFrom $737	Free Cancellation	Rating 7.2 11,206 reviews	Search American Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from London to Portland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from London.

Can I find flights from London to Portland with flexible booking policies on momondo?

All flight searches from London to Portland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Portland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Portland.

I’m not ready to book a flight from London to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

An easier way to manage your Portland trip

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Cheap flights from London to Portland from $355

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Portland departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Virgin Atlantic flights from London to Portland

Our best Virgin Atlantic deals on London to Portland flight tickets

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Our best United Airlines deals on London to Portland flight tickets

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Use the filters below to find and compare flights from London to Portland that are best for you.

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How to get the cheapest flight ticket from London to Portland

What is the typical price of a round-trip flight between London and Portland?

What is the cheapest month to fly to Portland?

What is the cheapest day to depart on your flight to Portland?

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is at noon when flights can be purchased for as low as $899. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $948 per ticket.

What is the cheapest London to Portland flight route?

Fly from London Heathrow to Portland for the best London - Portland flight prices

How far in advance should I book a flight to Portland?

What cabin class options are available on London to Portland flights?

There are 3 cabin classes available to choose from on London to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London to Portland flight prices changed over time?

As of January 2026, prices for London to Portland flights are approximately 9% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from London to Portland?

Icelandair, Lufthansa, and SWISS are the most popular carriers operating from London to Portland

What airlines fly to Portland?

How often are flights from London to Portland delayed?

Historically, on average around 20% of flights between London and Portland have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

What is the most punctual flight time for London to Portland flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on London to Portland flights?

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 20% of their flights experiencing any sort of delay.

When to book flights from London to Portland

Cheap London to Portland (LON to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Portland

Best Price Found

Fastest flight time

Direct flights

Airports in Portland

How far is London to Portland by plane?

When did momondo last update prices for flights from London to Portland Airport?

How many operators does momondo search for flights from London to Portland Airport?

How old do you have to be to fly from London to Portland Airport?

What documentation or ID do you need to fly to Portland Airport?

What is the most popular plane model from London to Portland?

What is the most popular airline from London to Portland?

Best airlines flying from London to Portland

Compare and see reviews for airlines that fly from London to Portland with momondo

Traveling to a place near Portland?

Why use momondo?

Why should I use momondo to find a flight deal from London to Portland?

Can I find flights from London to Portland with flexible booking policies on momondo?

How can momondo help me find flights from London to Portland?

I’m not ready to book a flight from London to Portland right now. Can momondo alert me if prices change?

An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Oregon