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Cheap flights from Oregon to London from £225

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LON
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Oregon to London

Keep the following information in mind while searching for Oregon to London flight deals. Data was last updated 13 June 2025.

Round-trip from

£452

One-way from

£225

Popular in

June

Cheapest in

October

Average price

£909

Good round-trip deal

£730 or less

Good one-way deal

£441 or less
15/8-25/8
  • 15/8-25/8
  • 3 total stops
  • 60h 36m total
  • Oregon to London
Search Deals
Icelandair
  • Icelandair
  • 22/8
  • 1 total stop
  • 21h 00m total
  • Oregon to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£129 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Oregon to London (LON).
Search Deals
Price to beat on a one-way flight from Oregon to London (LON).
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Find flight deals from Oregon to London

Cheapest flights from Oregon to London
Explore the most affordable flight options available from Oregon to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Fri 15/808:18BOI - LGW
1 stop19h 37mMultiple Airlines
Mon 25/814:00LGW - BOI
2 stops40h 59mMultiple Airlines
Deal found 11/6£452
Sat 23/811:40MFR - LHR
2 stops22h 00mScandinavian Airlines
Sat 30/806:40LHR - MFR
2 stops22h 52mScandinavian Airlines
Deal found 12/6£495
Wed 8/1015:05BOI - LHR
2 stops20h 25mScandinavian Airlines
Fri 17/1010:20LHR - BOI
2 stops19h 44mScandinavian Airlines
Deal found 10/6£517
Wed 5/1113:00PDX - LHR
3 stops24h 35mScandinavian Airlines
Fri 14/1106:40LHR - PDX
2 stops24h 49mScandinavian Airlines
Deal found 11/6£523
Mon 11/823:59PDX - LHR
2 stops22h 31mAir Canada
Mon 25/815:50LHR - PDX
2 stops31h 00mAir Canada
Deal found 11/6£525
Sun 14/907:21PDX - LGW
1 stop19h 34mMultiple Airlines
Wed 17/910:55LGW - PDX
1 stop17h 35mMultiple Airlines
Deal found 11/6£525
Tue 16/919:25PDX - LHR
Nonstop9h 35mBritish Airways
Tue 7/1015:40LHR - PDX
Nonstop9h 55mBritish Airways
Deal found 11/6£525
Sun 7/915:20PDX - LGW
1 stop15h 20mIcelandair
Sat 20/915:40LGW - PDX
1 stop34h 15mIcelandair
Deal found 11/6£525
Wed 13/810:05PDX - LHR
2 stops17h 45mLufthansa
Fri 22/814:05LHR - PDX
2 stops16h 56mLufthansa
Deal found 11/6£526
Wed 20/807:00RDM - LHR
2 stops42h 20mScandinavian Airlines
Wed 27/806:40LHR - RDM
2 stops20h 10mScandinavian Airlines
Deal found 12/6£526
Tue 29/707:00PDX - LGW
1 stop19h 00mDelta
Thu 7/812:00LGW - PDX
1 stop17h 30mDelta
Deal found 12/6£526
Wed 6/806:15PDX - STN
3 stops22h 30mMultiple Airlines
Sat 9/822:00STN - PDX
2 stops33h 01mMultiple Airlines
Deal found 12/6£527

Cheapflights Fare Finder

Customise your flight search to find flights from Oregon to London 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 13 June 2025.
Use the filters below to find and compare flights from Oregon to London that are best for you.

Fly from

Oregon

Fly to

London

Route

Depart

Return

Price

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Fri 15/8

08:18-10:55

1 stop19h 37m

London Gatwick

Mon 25/8

14:00-23:59

2 stops40h 59m

£452

MedfordLondon

MFR - LHR

MFRLHR

Medford

Sat 23/8

11:40-17:40

2 stops22h 00m

London Heathrow

Sat 30/8

06:40-21:32

2 stops22h 52m

£495

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 8/10

15:05-18:30

2 stops20h 25m

London Heathrow

Fri 17/10

10:20-23:04

2 stops19h 44m

£517

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 5/11

13:00-21:35

3 stops24h 35m

London Heathrow

Fri 14/11

06:40-23:29

2 stops24h 49m

£523

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 11/8

23:59-06:30

2 stops22h 31m

London Heathrow

Sun 24/8

08:30-14:50

2 stops38h 20m

£525

PortlandLondon

PDX - LGW

PDXLGW

Portland

Sun 14/9

07:21-10:55

1 stop19h 34m

London Gatwick

Wed 17/9

10:55-20:30

1 stop17h 35m

£525

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 16/9

19:25-13:00

Nonstop9h 35m

London Heathrow

Tue 7/10

15:40-17:35

Nonstop9h 55m

£525

PortlandLondon

PDX - LGW

PDXLGW

Portland

Sun 7/9

15:20-14:40

1 stop15h 20m

London Gatwick

Sat 20/9

15:40-17:55

1 stop34h 15m

£525

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 13/8

10:05-11:50

2 stops17h 45m

London Heathrow

Fri 22/8

14:05-23:01

2 stops16h 56m

£526

PortlandLondon

PDX - LGW

PDXLGW

Portland

Tue 29/7

07:00-10:00

1 stop19h 00m

London Gatwick

Thu 7/8

12:00-21:30

1 stop17h 30m

£526

Flights are sorted by cheapest return flights first.

Deals found on 12/6

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

Have a flexible travel schedule? Discover the best time to fly to London from Oregon 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 Oregon to London

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

Currently, January is the cheapest month in which you can book a flight from Oregon to London (average of £112). Flying from Oregon to London in August is currently the most expensive (average of £164). 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 OR to LON?

Find hourly flight availability from Oregon to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to London as you normally would.

Weekly flight availability from Oregon to London

Explore weekly flight availability from Oregon to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 June 2025.

The most flights from USOR to LON are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in London by month

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

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 13 June 2025.
See what other customers who have flown with Delta, Alaska Airlines and KLM from Oregon to London have to say. 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.
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Alaska Airlines
8.0
Very Good
10,000 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Oregon to London. 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 Oregon to London one-way?

    One-way options have recently been found by users for as low as £225 on Icelandair. Other airlines that offer cheap prices include JetBlue from £269 and Air Canada from £281 one-way.

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

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

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

    Before booking your flight to London from Oregon, check out the most reliable airlines to get you to your destination on time: American Airlines (83%), Alaska Airlines (83%), Aer Lingus( 83%).

  • What are the cheapest flights from Oregon to London?

    While on average a flight from Oregon to London is generally £1,490, our data shows the cheapest flight currently is £315. When looking at the most popular route, (Portland - London Heathrow), you can expect to pay £406 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Oregon to London (average of £112). Flying from Oregon to London in August is currently the most expensive (average of £164). 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

Travelling to a place near Oregon?

Book flights to Oregon if you plan to visit one of these locations
Deal
Hounslow
Croydon
Milton Keynes
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Southend-on-Sea
Watford
Hayes
Ipswich
Winchester
Folkestone
Maidstone
Dartford
Guildford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Oregon to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Oregon to London

Discover the top 4 airlines that operate flights from Oregon to London. 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£426Average£494FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£432Average£2,372FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£448Average£547FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£461Average£549FlexibilityNo cancel feeOn-time70%
Search British Airways 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 Oregon to London?

Cheapflights helps you search for flights from Oregon to London 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 Oregon to London?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Oregon.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Oregon to London, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Oregon to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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