How many flights depart from Portland to United Kingdom on average per day?

The number of flights available between Portland and United Kingdom is 4 per day as of November 2026. The most frequent departure time is 6:00PM, with 100% of daily flights leaving in the evening.

What is the cheapest airline that flies from Portland to United Kingdom?

Icelandair, British Airways, and United Airlines are the most popular carriers operating from Portland to United Kingdom

What airlines fly to United Kingdom?

British Airways, Icelandair and Delta are the top three most popular airlines that fly to United Kingdom from Portland 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 United Kingdom. Keep in mind that there are 13 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

How many flights depart from Portland to United Kingdom on average per week?

As of November 2026, 28 flights take off from Portland and land in United Kingdom each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.

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

Prices for flights from Portland Airport to United Kingdom refresh daily.

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

As of November 2026, there are 13 operators available to choose from for flights from Portland Airport to United Kingdom.

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

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 Portland Airport to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The required travel and health documents for your United Kingdom trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$262 Cheap Flights from Portland to the United Kingdom in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to the United Kingdom

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:45 pm - 1:35 pmPDX Portland-MAN Manchester

14h 50m1 stop Reykjavik Keflavik Intl

6:20 pm - 5:00 pmMAN Manchester-PDX Portland

30h 40m1 stop Reykjavik Keflavik Intl

$669Multiple Airlines

Mon, Nov 16 - Thu, Nov 19

1:37 pm - 6:55 pmPDX Portland-INV Inverness

21h 18m2 stops Chicago O'Hare Intl London Heathrow

12:45 pm - 3:50 pmINV Inverness-PDX Portland

35h 05m1 stop London Heathrow

$741British Airways

Wed, Feb 17 - Tue, Feb 23

2:45 pm - 3:30 pmPDX Portland-LGW London Gatwick

16h 45m1 stop Reykjavik Keflavik Intl

10:10 am - 5:00 pmLGW London Gatwick-PDX Portland

14h 50m1 stop Reykjavik Keflavik Intl

$743Multiple Airlines

Mon, Feb 8 - Thu, Feb 18

3:30 pm - 11:55 amPDX Portland-LHR London Heathrow

12h 25m1 stop Reykjavik Keflavik Intl

9:25 pm - 5:55 pmLHR London Heathrow-PDX Portland

28h 30m1 stop Reykjavik Keflavik Intl

$744Icelandair

Tue, Apr 20 - Thu, Apr 29

3:30 pm - 11:55 amPDX Portland-LHR London Heathrow

12h 25m1 stop Reykjavik Keflavik Intl

9:25 pm - 5:55 pmLHR London Heathrow-PDX Portland

28h 30m1 stop Reykjavik Keflavik Intl

$744Icelandair

Tue, Apr 20 - Tue, Apr 27

5:45 pm - 10:15 amPDX Portland-INV Inverness

32h 30m1 stop London Heathrow

12:45 pm - 3:50 pmINV Inverness-PDX Portland

35h 05m1 stop London Heathrow

$747British Airways

Wed, Feb 17 - Tue, Feb 23

10:00 am - 9:00 pmPDX Portland-LHR London Heathrow

27h 00m2 stops Vancouver Intl Munich Franz Josef Strauss

2:30 pm - 2:40 pmLHR London Heathrow-PDX Portland

32h 10m1 stop Vancouver Intl

$795Lufthansa

Sun, Mar 7 - Tue, Mar 9

10:00 am - 9:00 pmPDX Portland-LHR London Heathrow

27h 00m2 stops Vancouver Intl Munich Franz Josef Strauss

6:00 pm - 2:40 pmLHR London Heathrow-PDX Portland

28h 40m2 stops Toronto Pearson Intl Vancouver Intl

$804Lufthansa

Sun, Mar 7 - Tue, Mar 9

7:10 pm - 11:50 amPDX Portland-LHR London Heathrow

32h 40m1 stop Vancouver Intl

9:00 am - 10:37 pmLHR London Heathrow-PDX Portland

21h 37m2 stops Zurich San Francisco

$873United Airlines

Fri, Mar 5 - Mon, Mar 8

7:10 pm - 11:50 amPDX Portland-LHR London Heathrow

32h 40m1 stop Vancouver Intl

9:00 am - 10:37 pmLHR London Heathrow-PDX Portland

20h 37m2 stops Zurich San Francisco

$873United Airlines

Fri, Mar 12 - Mon, Mar 15

Cheap last minute flights

Enter your travel dates to find the best prices.

2:45 pm - 10:50 amPDX Portland-LHR London Heathrow

12h 05m1 stop Reykjavik Keflavik Intl

12:15 pm - 5:00 pmLHR London Heathrow-PDX Portland

12h 45m1 stop Reykjavik Keflavik Intl

$755Icelandair

Tue, Nov 10 - Fri, Nov 20

2:45 pm - 7:30 pmPDX Portland-LHR London Heathrow

20h 45m1 stop Reykjavik Keflavik Intl

12:15 pm - 5:00 pmLHR London Heathrow-PDX Portland

12h 45m1 stop Reykjavik Keflavik Intl

$755Icelandair

Tue, Nov 10 - Wed, Nov 18

2:45 pm - 3:40 pmPDX Portland-LGW London Gatwick

16h 55m1 stop Reykjavik Keflavik Intl

8:20 am - 5:00 pmLGW London Gatwick-PDX Portland

16h 40m1 stop Reykjavik Keflavik Intl

$762Multiple Airlines

Tue, Nov 10 - Wed, Nov 18

2:45 pm - 3:40 pmPDX Portland-LGW London Gatwick

16h 55m1 stop Reykjavik Keflavik Intl

7:40 am - 5:00 pmLGW London Gatwick-PDX Portland

17h 20m1 stop Reykjavik Keflavik Intl

$783Multiple Airlines

Tue, Nov 10 - Mon, Nov 16

7:10 am - 5:40 pmPDX Portland-LHR London Heathrow

26h 30m2 stops New York John F Kennedy Intl Kastrup Copenhagen

6:40 am - 8:56 pmLHR London Heathrow-PDX Portland

22h 16m2 stops Kastrup Copenhagen Los Angeles

$980Scandinavian Airlines

Wed, Nov 11 - Sun, Nov 22

1:05 pm - 6:30 pmPDX Portland-LHR London Heathrow

21h 25m2 stops Los Angeles Kastrup Copenhagen

6:40 am - 8:56 pmLHR London Heathrow-PDX Portland

22h 16m2 stops Kastrup Copenhagen Los Angeles

$995Scandinavian Airlines

Mon, Nov 9 - Tue, Nov 17

7:10 pm - 9:20 amPDX Portland-LHR London Heathrow

30h 10m3 stops Vancouver Intl Toronto Pearson Intl Ottawa

11:10 am - 9:26 amLHR London Heathrow-PDX Portland

30h 16m3 stops Toronto Pearson Intl Winnipeg Vancouver Intl

$1,087Air Canada

Wed, Nov 11 - Wed, Nov 18

5:45 pm - 11:20 amPDX Portland-LHR London Heathrow

9h 35mnonstop

1:35 pm - 3:50 pmLHR London Heathrow-PDX Portland

10h 15mnonstop

$1,104British Airways

Wed, Nov 11 - Wed, Nov 18

7:00 am - 9:20 amPDX Portland-LHR London Heathrow

18h 20m2 stops Vancouver Intl Calgary

2:30 pm - 8:46 pmLHR London Heathrow-PDX Portland

14h 16m1 stop Vancouver Intl

$1,128Air Canada

Mon, Nov 9 - Mon, Nov 16

1:22 pm - 10:25 amPDX Portland-LHR London Heathrow

13h 03m1 stop Chicago O'Hare Intl

1:35 pm - 3:50 pmLHR London Heathrow-PDX Portland

10h 15mnonstop

$1,145British Airways

Mon, Nov 9 - Mon, Nov 16

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Icelandair flights from Portland to United Kingdom

Our best Icelandair deals on Portland to United Kingdom flight tickets

Icelandair

Feb 10

PDX2:45 pmPortland

20h 45m

1 stop

LHR7:30 pmLondon Heathrow

Feb 24

LHR8:35 pmLondon Heathrow

28h 25m

1 stop

PDX5:00 pmPortland

$743

Icelandair

Apr 20

PDX3:30 pmPortland

12h 25m

1 stop

LHR11:55 amLondon Heathrow

Apr 27

LHR9:25 pmLondon Heathrow

28h 30m

1 stop

PDX5:55 pmPortland

$744

Icelandair

Feb 3

PDX2:45 pmPortland

12h 05m

1 stop

LHR10:50 amLondon Heathrow

Feb 17

LHR8:35 pmLondon Heathrow

28h 25m

1 stop

PDX5:00 pmPortland

$745

Lufthansa flights from Portland to United Kingdom

Our best Lufthansa deals on Portland to United Kingdom flight tickets

Lufthansa

Mar 7

PDX10:00 amPortland

27h 00m

2 stops

LHR9:00 pmLondon Heathrow

Mar 9

LHR6:00 pmLondon Heathrow

28h 40m

2 stops

PDX2:40 pmPortland

$804

Lufthansa

Jan 10

PDX7:10 amPortland

25h 50m

2 stops

BHX5:00 pmBirmingham

Feb 15

BHX5:45 pmBirmingham

32h 06m

2 stops

PDX5:51 pmPortland

$988

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandManchester

PDX Portland - MAN Manchester

PDXMAN

Portland

Mon 11/16

2:45 pm-1:35 pm

1 stop14h 50m

Manchester

Thu 11/19

6:20 pm-5:00 pm

1 stop30h 40m

$669

PortlandInverness

PDX Portland - INV Inverness

PDXINV

Portland

Wed 2/17

1:37 pm-6:55 pm

2 stops21h 18m

Inverness

Tue 2/23

12:45 pm-3:50 pm

1 stop35h 05m

$741

Quickest round-trip

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Mon 2/8

2:45 pm-3:30 pm

1 stop16h 45m

London Gatwick

Thu 2/18

10:10 am-5:00 pm

1 stop14h 50m

$743

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Tue 4/20

3:30 pm-11:55 am

1 stop12h 25m

London Heathrow

Thu 4/29

9:25 pm-5:55 pm

1 stop28h 30m

$744

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Tue 4/20

3:30 pm-11:55 am

1 stop12h 25m

London Heathrow

Tue 4/27

9:25 pm-5:55 pm

1 stop28h 30m

$744

PortlandInverness

PDX Portland - INV Inverness

PDXINV

Portland

Wed 2/17

5:45 pm-10:15 am

1 stop32h 30m

Inverness

Tue 2/23

12:45 pm-3:50 pm

1 stop35h 05m

$747

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Sun 3/7

10:00 am-9:00 pm

2 stops27h 00m

London Heathrow

Tue 3/9

2:30 pm-2:40 pm

1 stop32h 10m

$795

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Sun 3/7

10:00 am-9:00 pm

2 stops27h 00m

London Heathrow

Tue 3/9

6:00 pm-2:40 pm

2 stops28h 40m

$804

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Fri 3/5

7:10 pm-11:50 am

1 stop32h 40m

London Heathrow

Mon 3/8

9:00 am-10:37 pm

2 stops21h 37m

$873

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Fri 3/12

7:10 pm-11:50 am

1 stop32h 40m

London Heathrow

Mon 3/15

9:00 am-10:37 pm

2 stops20h 37m

$873

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 Portland to United Kingdom

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

Other information

What is the cheapest month to fly to United Kingdom?

In general, January is the cheapest month to fly from Portland to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $776. If you aren’t able to travel to United Kingdom during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $779.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Portland to United Kingdom is on a Monday when prices can be found for as low as $962. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $1,125.

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

According to our data, the cheapest time of day to fly to United Kingdom is in the afternoon. momondo users have found flights departing from Portland to United Kingdom in the afternoon for as low as $931. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the evening, with an average ticket price of $1,049. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Portland to United Kingdom flight route?

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

How far in advance should I book a flight from Portland to the United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $1,011 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Portland for as low as $913 on momondo.

What cabin class options are available on Portland to United Kingdom flights?

There are 4 cabin classes available to choose from on Portland to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portland to United Kingdom flights?

You could potentially save up to 45% on your flight if you consider stops on a Portland to United Kingdom flight.

Cheap Portland to United Kingdom flight deals and tips

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

Best Price Found	$262
Fastest flight time	9h 35m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sat
Airports in United Kingdom	1,285 airports

The best one-way flight to United Kingdom from Portland in the past 72 hours is $262. The best round-trip flight deal from Portland to United Kingdom found on momondo in the last 72 hours is $669.

The fastest flight from Portland to United Kingdom takes 9h 35m

Direct flights go from Portland to United Kingdom on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.

There are 1,285 airports in United Kingdom. From Portland there are direct flights to London Heathrow (LHR).

Search flight deals

Frequently asked questions about flying from Portland to the United Kingdom

When did momondo last update prices for flights from Portland Airport to United Kingdom?
Prices for flights from Portland Airport to United Kingdom refresh daily.
How many operators does momondo search for flights from Portland Airport to United Kingdom?
As of November 2026, there are 13 operators available to choose from for flights from Portland Airport to United Kingdom.
How old do you have to be to fly from Portland Airport to United Kingdom?
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 Portland Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The required travel and health documents for your United Kingdom trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Portland to United Kingdom?
Based on momondo bookings for flights between Portland and United Kingdom, the leading plane model is Boeing 787-10 Dreamliner, making up 44.95% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 44.51%, Boeing 787-9 Dreamliner with 5.77%, and Boeing 787 Dreamliner with 2.66%.

Best airlines flying from Portland to United Kingdom

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $489	Free Cancellation	Rating 6.9 767 reviews	Search Icelandair flights
Delta	PriceFrom $538	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
Finnair	PriceFrom $550	Free Cancellation	Rating 7.6 1,414 reviews	Search Finnair flights
Virgin Atlantic	PriceFrom $554	Free Cancellation	Rating 7.5 697 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $588	Free Cancellation	Rating 6.7 8,282 reviews	Search British Airways flights
KLM	PriceFrom $604	Free Cancellation	Rating 7.8 1,594 reviews	Search KLM flights
Iberia	PriceFrom $610	Free Cancellation	Rating 7.0 3,241 reviews	Search Iberia flights
Air Canada	PriceFrom $630	Free Cancellation	Rating 7.1 11,862 reviews	Search Air Canada flights
Lufthansa	PriceFrom $630	Free Cancellation	Rating 6.8 8,299 reviews	Search Lufthansa flights
United Airlines	PriceFrom $676	Free Cancellation	Rating 7.3 10,464 reviews	Search United Airlines flights

Why use momondo?

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

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 United Kingdom from Portland.

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

Yes. All flights to United Kingdom from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Portland to United Kingdom?

momondo provides multiple filters to help you find the best flight to United Kingdom from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to United Kingdom from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your United Kingdom 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 12/5

Sat 12/12

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Popular cities

Other flights from Portland

Other flights to the United Kingdom

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in the United Kingdom

Flights to Londonfrom $450

Flights to Manchesterfrom $541

Flights to Edinburghfrom $450

Flights to Glasgowfrom $497

Flights to Birminghamfrom $508

Flights to Newcastle upon Tynefrom $598

Flights to Belfastfrom $757

Flights to Bristolfrom $565

Flights to Invernessfrom $710

Flights to Leedsfrom $701

Flights to Aberdeenfrom $774

Flights to Liverpoolfrom $610

Cheap flights from Portland to the United Kingdom from $262

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to the United Kingdom departing on 11/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Portland to the United Kingdom

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Icelandair flights from Portland to United Kingdom

Our best Icelandair deals on Portland to United Kingdom flight tickets

Lufthansa flights from Portland to United Kingdom

Our best Lufthansa deals on Portland to United Kingdom flight tickets

momondo Fare Finder

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

See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Portland to United Kingdom

What is the cheapest month to fly to United Kingdom?

What is the cheapest day to depart on your flight to United Kingdom?

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

What is the cheapest Portland to United Kingdom flight route?

How far in advance should I book a flight from Portland to the United Kingdom?

What cabin class options are available on Portland to United Kingdom flights?

Can stopping save me money on Portland to United Kingdom flights?

What is the cheapest airline that flies from Portland to United Kingdom?

What airlines fly to United Kingdom?

How many flights depart from Portland to United Kingdom on average per day?

How many flights depart from Portland to United Kingdom on average per week?

Cheap Portland to United Kingdom flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in United Kingdom

Frequently asked questions about flying from Portland to the United Kingdom

Best airlines flying from Portland to United Kingdom

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

Why use momondo?

An easier way to manage your United Kingdom 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 Kingdom

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Portland flight routes

According to popular flight searches on momondo this year

United Kingdom flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to the United Kingdom

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to the United Kingdom

List of cabin classes available on flights landing in the United Kingdom. Availability may vary depending on flight origin and airline.

Complete your trip to the United Kingdom

Explore popular destinations other users love

According to popular flight searches on momondo this year