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$374+ Cheap flights from the United Kingdom to Portland (PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from United Kingdom to Portland

Cheapest flights from United Kingdom to Portland
Explore the most affordable flight options available from United Kingdom to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/169:30 pm
LGW
-
PDX
3 stops42h 45m
Multiple Airlines
Mon 3/303:30 pm
PDX
-
LGW
2 stops17h 50m
Multiple Airlines
Deal found 2/10$701
This deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:55 am
MAN
-
PDX
1 stop14h 45m
British Airways
Mon 5/187:30 pm
PDX
-
MAN
1 stop15h 45m
British Airways
Deal found 2/11$730
This Gotogate deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:55 am
LGW
-
PDX
1 stop13h 05m
Icelandair
Mon 3/303:30 pm
PDX
-
LGW
1 stop15h 10m
Icelandair
Deal found 2/10$734
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:15 pm
LHR
-
PDX
1 stop12h 45m
Icelandair
Tue 3/313:30 pm
PDX
-
LHR
1 stop12h 25m
Icelandair
Deal found 2/10$747
This Gotogate deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:40 pm
LGW
-
PDX
1 stop34h 20m
Icelandair
Wed 5/207:05 pm
PDX
-
LGW
1 stop11h 35m
Icelandair
Deal found 2/12$752
This Gotogate deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:25 pm
LHR
-
PDX
1 stop28h 35m
Icelandair
Wed 5/207:05 pm
PDX
-
LHR
1 stop17h 15m
Icelandair
Deal found 2/12$753
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:30 am
LHR
-
PDX
2 stops17h 20m
Multiple Airlines
Sun 3/157:05 am
PDX
-
LHR
1 stop20h 45m
Multiple Airlines
Deal found 2/10$756
This The Travel House deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:25 pm
LHR
-
PDX
1 stop28h 30m
Icelandair
Mon 9/283:30 pm
PDX
-
LHR
1 stop12h 25m
Icelandair
Deal found 2/13$762
This The Travel House deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:05 pm
LHR
-
PDX
1 stop12h 50m
Icelandair
Thu 9/243:30 pm
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 2/10$764
This Mytrip deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:00 am
STN
-
PDX
2 stops19h 00m
Multiple Airlines
Mon 3/303:30 pm
PDX
-
STN
2 stops20h 20m
Multiple Airlines
Deal found 2/13$770
This Booking.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:25 pm
LHR
-
PDX
1 stop28h 30m
Icelandair
Wed 9/233:30 pm
PDX
-
LHR
1 stop12h 25m
Icelandair
Deal found 2/10$774
This The Travel House deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:05 pm
LHR
-
PDX
1 stop12h 55m
Icelandair
Mon 5/183:30 pm
PDX
-
LHR
1 stop12h 25m
Icelandair
Deal found 2/10$780

Find flight deals from United Kingdom to Portland

Keep the following information in mind while searching for United Kingdom to Portland flight deals. Data was last updated February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$604
(Air Canada)

One-way from

$374
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$788

Good round-trip deal

$788 or less

Good one-way deal

$702 or less
Provider with most accurate pricing for London (LON)-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Portland flights.
Search Deals
From United Kingdom to Portland
Search Deals
One-way flight from United Kingdom to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from United Kingdom to Portland.
Search Deals
Price to beat on a one-way flight from United Kingdom to Portland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from United Kingdom to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from the United Kingdom to Portland that are best for you.

Fly from

United Kingdom

Fly to

Portland

Route

Depart

Return

Price

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Mon 3/16

9:30 pm-9:15 am

3 stops42h 45m

Portland

Mon 3/30

3:30 pm-5:20 pm

2 stops17h 50m

$701

LondonPortland

STN - PDX

STNPDX

London Stansted

Mon 3/16

6:00 am-6:00 pm

2 stops19h 00m

Portland

Mon 3/30

3:30 pm-7:50 pm

2 stops20h 20m

$770

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 3/16

8:05 pm-11:04 pm

2 stops33h 59m

Portland

Mon 3/30

1:39 pm-5:50 pm

2 stops20h 11m

$809

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 3/10

7:30 am-9:58 pm

2 stops21h 28m

Portland

Tue 3/17

7:00 am-6:40 am

2 stops16h 40m

$813

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 3/11

6:30 am-5:52 pm

2 stops18h 22m

Portland

Mon 3/16

5:05 am-5:55 am

2 stops17h 50m

$815

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 3/18

7:30 am-9:52 pm

2 stops21h 22m

Portland

Tue 3/31

7:00 am-7:15 am

2 stops16h 15m

$815

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 4/22

7:25 am-6:34 pm

2 stops19h 09m

Portland

Thu 5/21

5:15 am-11:10 am

1 stop21h 55m

$829

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 4/21

7:25 am-6:34 pm

2 stops19h 09m

Portland

Wed 5/20

7:15 am-10:10 am

2 stops18h 55m

$829

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Thu 5/14

3:40 pm-6:00 pm

1 stop34h 20m

Portland

Thu 5/21

3:30 pm-2:40 pm

1 stop15h 10m

$832

LondonPortland

LCY - PDX

LCYPDX

London City

Mon 3/16

7:10 pm-10:45 pm

2 stops34h 35m

Portland

Mon 3/30

1:39 pm-5:30 pm

2 stops19h 51m

$835

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from United Kingdom with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Portland

What is the cheapest month to book a flight from United Kingdom to Portland?

Currently, March is the cheapest month in which you can book a flight from United Kingdom to Portland (average of $589). Flying from United Kingdom to Portland in January is currently the most expensive (average of $747). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How often are flights from the United Kingdom to Portland delayed?

About 20% of weekly flights between United Kingdom and Portland have experienced delays in the past year, with the average delay time being 120 minutes.

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

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Friday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, British Airways have had the lowest number of delays on this route, with just 20% of flights being delayed.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated February 13, 2026.
Read reviews from past customers who have flown United Airlines, American Airlines, and Icelandair from the United Kingdom to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,288 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,288 reviews
United Airlines
7.4
Good
9,288 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
American Airlines
7.2
Good
11,286 reviews
United Airlines
7.4
Good
9,288 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Icelandair
7.1
Good
614 reviews
United Airlines
7.4
Good
9,288 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
British Airways
6.7
Okay
7,738 reviews
United Airlines
7.4
Good
9,288 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from United Kingdom?

    Portland (PDX) is the airport you will fly into if you book a flight from United Kingdom to Portland. It is only a 6.0 mi journey from Portland (PDX) to Portland’s city center.

  • How long is the flight from United Kingdom to Portland?

    Airlines like Icelandair, SWISS, and United Airlines fly from United Kingdom to Portland in about 13h 05m. The time it takes to get you to your destination can typically vary by up to 20h 54m. There are 4921 mi between United Kingdom and Portland. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from United Kingdom to Portland one-way?

    $549 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Icelandair and Finnair, with prices starting from $582 and $597, respectively.

  • What are the most popular routes from United Kingdom to Portland?

    When deciding which route to take from United Kingdom to Portland consider London Heathrow - Portland, London Gatwick - Portland or London City - Portland as they are the most popular.

  • What are the most reliable airlines from United Kingdom to Portland?

    Before booking your flight to Portland from United Kingdom, check out the most reliable airlines to get you to your destination on time: American Airlines (90%), Alaska Airlines (90%), Aer Lingus( 90%).

  • What are the cheapest flights from United Kingdom to Portland?

    Looking for the cheapest flight from United Kingdom to Portland? While on average our users pay $996, our data indicates the cheapest price to be $656. The most popular route (London Heathrow - Portland), is priced around $753.

  • Can I find deals for flights from United Kingdom to Portland that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Portland.

  • Can I find deals for business class flights from United Kingdom to Portland?

    Yes. Cheapflights offers flight deals from United Kingdom to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to Portland?

    Currently, March is the cheapest month in which you can book a flight from United Kingdom to Portland (average of $589). Flying from United Kingdom to Portland in January is currently the most expensive (average of $747). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Clackamas
Lincoln City
Longview
Lake Oswego
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Beaverton
Depoe Bay
Stevenson
Wilsonville
Tillamook
Pacific City
Gresham

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from United Kingdom to Portland

Discover the top 3 airlines that operate flights from United Kingdom to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$704Average$825FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$715Average$921FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$737Average$1,024FlexibilityNo cancel feeOn-time71%

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