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Cheap flights from London to Oregon from £343

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PDX
31 Mar — 7 Apr1
1 adult

Cheap flight deals from London to Oregon

Keep the following information in mind while searching for London to Oregon flight deals. Data was last updated 26 March 2025.

Round-trip from

£478

One-way from

£343

Popular in

August

Cheapest in

March

Average price

£593

Good round-trip deal

£626 or less

Good one-way deal

£862 or less
United Airlines
  • United Airlines
  • 25/4-2/5
  • 3 total stops
  • 47h 39m total
  • London to Oregon
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22/4
  • 22/4
  • 3 total stops
  • 29h 16m total
  • London to Oregon
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£89 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from London (LON) to Oregon.
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Price to beat on a one-way flight from London (LON) to Oregon.
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Find flight deals from London to Oregon

Cheapest flights from London to Oregon
Explore the most affordable flight options available from London to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2025.

Fri 25/416:15LHR - BOI
2 stops27h 29mUnited Airlines
Fri 2/506:30BOI - LHR
1 stop20h 10mUnited Airlines
Deal found 25/3£478
Thu 15/508:40LHR - PDX
2 stops18h 05mAir Canada
Sun 18/506:15PDX - LHR
2 stops16h 15mAir Canada
Deal found 25/3£535
Thu 8/508:40LHR - PDX
2 stops23h 51mUnited Airlines
Thu 15/519:19PDX - LHR
2 stops17h 21mUnited Airlines
Deal found 26/3£539
Fri 2/506:00LHR - PDX
2 stops24h 36mMultiple Airlines
Fri 9/507:00PDX - LHR
1 stop17h 20mMultiple Airlines
Deal found 25/3£541
Thu 24/411:40STN - PDX
3 stops29h 32mMultiple Airlines
Thu 1/519:01PDX - STN
3 stops31h 39mMultiple Airlines
Deal found 25/3£546
Mon 21/406:30LHR - PDX
2 stops22h 30mLufthansa
Sun 27/410:10PDX - LHR
2 stops17h 40mLufthansa
Deal found 25/3£549
Mon 21/415:40LHR - PDX
Nonstop9h 55mFinnair
Sun 27/412:03PDX - LHR
1 stop20h 02mFinnair
Deal found 25/3£559
Fri 2/508:55LCY - PDX
2 stops23h 36mMultiple Airlines
Mon 5/507:54PDX - LCY
2 stops20h 36mMultiple Airlines
Deal found 24/3£562
Fri 2/510:55LGW - PDX
1 stop20h 47mMultiple Airlines
Mon 5/513:45PDX - LGW
2 stops22h 55mMultiple Airlines
Deal found 24/3£563
Wed 14/506:30LHR - PDX
1 stop12h 50mDelta
Mon 19/515:30PDX - LHR
1 stop11h 50mDelta
Deal found 25/3£565
Mon 21/415:40LHR - PDX
Nonstop9h 55mIberia
Mon 5/513:55PDX - LHR
1 stop16h 30mIberia
Deal found 25/3£571
Mon 21/415:40LHR - PDX
Nonstop9h 55mAmerican Airlines
Mon 5/519:25PDX - LHR
Nonstop9h 35mAmerican Airlines
Deal found 25/3£579

Cheapflights Fare Finder

Customise your flight search to find flights from London to Oregon 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 858,174 searches. Data last updated 26 March 2025.
Use the filters below to find and compare flights from London to Oregon that are best for you.

Fly from

London

Fly to

Oregon

Route

Depart

Return

Price

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 25/4

16:15-12:44

2 stops27h 29m

Boise Air Term. Gowen Fld

Fri 2/5

06:30-09:40

1 stop20h 10m

£478

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 15/5

08:40-18:45

2 stops18h 05m

Portland

Sun 18/5

06:15-06:30

2 stops16h 15m

£535

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Thu 8/5

08:40-00:31

2 stops23h 51m

Portland

Thu 15/5

19:19-20:40

2 stops17h 21m

£539

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 2/5

06:00-22:36

2 stops24h 36m

Portland

Fri 9/5

07:00-08:20

1 stop17h 20m

£541

LondonPortland

STN - PDX

STNPDX

London Stansted

Thu 24/4

11:40-09:12

3 stops29h 32m

Portland

Thu 1/5

19:01-10:40

3 stops31h 39m

£546

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 21/4

06:30-21:00

2 stops22h 30m

Portland

Sun 27/4

10:10-11:50

2 stops17h 40m

£549

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 21/4

15:40-17:35

Nonstop9h 55m

Portland

Sun 27/4

12:03-16:05

1 stop20h 02m

£559

LondonPortland

LCY - PDX

LCYPDX

London City

Fri 2/5

08:55-00:31

2 stops23h 36m

Portland

Mon 5/5

07:54-12:30

2 stops20h 36m

£562

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Fri 2/5

10:55-23:42

1 stop20h 47m

Portland

Mon 5/5

13:45-20:40

2 stops22h 55m

£563

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 14/5

06:30-11:20

1 stop12h 50m

Portland

Mon 19/5

15:30-11:20

1 stop11h 50m

£565

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 60 results
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Best time to book a flight from London to Oregon

Have a flexible travel schedule? Discover the best time to fly to Oregon from London with our price prediction graph.
Estimated return 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 London to Oregon

What is the cheapest month to book a flight from London to Oregon?

Currently, January is the cheapest month in which you can book a flight from London to Oregon (average of £736). Flying from London to Oregon in July is currently the most expensive (average of £1,048). 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.

What is the cheapest time of day to fly from LON to OR?

Find hourly flight availability from London to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 March 2025.

When flying from London to Oregon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Oregon by month

Plan your trip to Oregon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oregon ranges from 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Oregon when rainfall is around 18.0 mm.

Temperature in Oregon by month

Plan your trip to Oregon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oregon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Oregon

Get insights into the airlines that provide service to Oregon. 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 Oregon. Reviews last updated 26 March 2025.
Read reviews from past customers who have flown Delta, Air New Zealand and KLM from London to Oregon. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,891 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,891 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air New Zealand
7.9
Good
456 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,319 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,569 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • What are the cheapest airlines to fly from London to Oregon one-way?

    The cheapet airlines for a one-way flight from London to Oregon are WestJet (£403), Icelandair (£460), and Lufthansa (£541).

  • What are the most popular routes from London to Oregon?

    The most popular route from London to Oregon is London Heathrow - Portland. You may also consider London Gatwick - Portland or London City - Portland.

  • What are the most reliable airlines from London to Oregon?

    No one likes to see their flight delayed. When booking a flight from London to Oregon consider choosing American Airlines (67%), Alaska Airlines (67%) or Aer Lingus (67%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to Oregon?

    While on average a flight from London to Oregon is generally £1,621, our data shows the cheapest flight currently is £538. When looking at the most popular route, (London Heathrow - Portland), you can expect to pay £444 for that flight.

  • Can I find deals for flights from London to Oregon that include hotel bookings?

    Yes. In addition to deals on London to Oregon flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Oregon?

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

  • Can I find deals for business class flights from London to Oregon?

    Yes. Cheapflights offers flight deals from London to Oregon 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 London to Oregon?

    Currently, January is the cheapest month in which you can book a flight from London to Oregon (average of £736). Flying from London to Oregon in July is currently the most expensive (average of £1,048). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Oregon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from London to Oregon

Discover the top 9 airlines that operate flights from London to Oregon. 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 858,174 searches. Data last updated 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£460Average£689FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£504Average£645FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£509Average£708FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£511Average£643FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£526Average£776FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£536Average£734FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£539Average£631FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£557Average£813FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest£576Average£730FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Oregon?

Cheapflights helps you search for flights from London to Oregon via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Oregon?

Millions of users choose and trust Cheapflights to book the best flight deals from London to Oregon for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London to Oregon with no change fees?

Yes! Cheapflights helps users easily find flights from London to Oregon with no change fees.

Can Cheapflights notify me if prices for flights from London to Oregon become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Oregon from London today and book when prices fit your budget.

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