How long is the flight from Oregon to London?

For as low as £656, Alaska Airlines can have you in London from Oregon in 18h 40m. Airlines will cover a distance of 4998 mi. This flight may include one or multiple stops.

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.

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).

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 Stansted.

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 (75%), Alaska Airlines (75%), Aer Lingus( 75%).

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.

£177+ Cheap Flights from Oregon to London

Cheap flight deals from Oregon to London

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 11 August 2026.

Wed 9/1206:00 -

1 stop23h 20m

Tue 12/114:45 -

1 stop16h 26m

Deal found 6/8£633

Tue 8/1209:40 -

2 stops15h 15m

Tue 12/111:35 -

1 stop15h 00m

Deal found 7/8£644

Tue 3/1107:00 -

1 stop20h 00m

Wed 11/1119:40 -

2 stops22h 49m

Deal found 10/8£648

Tue 1/1205:50 -

1 stop17h 35m

Tue 8/1209:00 -

2 stops22h 20m

Deal found 7/8£650

Wed 18/1112:37 -

1 stop16h 23m

Wed 25/1106:35 -

2 stops21h 40m

Deal found 9/8£650

Sun 6/1209:53 -

1 stop19h 27m

Thu 14/114:45 -

1 stop14h 35m

Deal found 7/8£651

Tue 1/1211:52 -

1 stop16h 28m

Tue 8/1214:45 -

1 stop17h 38m

Deal found 7/8£658

Wed 18/1112:49 -

1 stop16h 31m

Wed 25/1114:45 -

1 stop16h 14m

Deal found 9/8£658

Sat 5/1219:12 -

1 stop34h 08m

Thu 14/114:45 -

1 stop14h 35m

Deal found 7/8£661

Sun 6/1206:00 -

1 stop21h 40m

Wed 13/106:30 -

2 stops16h 00m

Deal found 7/8£664

Sun 27/913:44 -

1 stop17h 51m

Tue 6/1011:45 -

2 stops19h 21m

Deal found 7/8£664

Mon 21/906:05 -

1 stop25h 00m

Tue 6/1017:00 -

1 stop28h 12m

Deal found 6/8£664

Best flights from Oregon to London
Discover carefully curated flight deals from Oregon to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 August 2026.

Mon 7/1206:00 -

1 stop23h 20m

Tue 12/114:45 -

1 stop14h 35m

Deal found 6/8£652

Wed 20/105:00 -

2 stops18h 40m

Mon 25/113:45 -

2 stops41h 35m

Deal found 8/8£656

Wed 9/1207:05 -

1 stop21h 30m

Thu 14/106:30 -

2 stops19h 03m

Deal found 7/8£664

Tue 22/912:32 -

1 stop19h 03m

Wed 30/906:30 -

2 stops18h 41m

Deal found 7/8£671

Wed 11/1110:47 -

2 stops18h 03m

Mon 16/1119:05 -

2 stops36h 07m

Deal found 10/8£678

Mon 28/915:30 -

2 stops16h 15m

Wed 7/1006:15 -

3 stops35h 16m

Deal found 8/8£679

Sun 8/1113:20 -

1 stop20h 00m

Sat 14/1108:40 -

2 stops21h 12m

Deal found 6/8£712

Wed 7/1014:25 -

1 stop14h 25m

Tue 13/1015:40 -

Nonstop10h 00m

Deal found 6/8£730

Mon 1/213:00 -

3 stops24h 20m

Wed 10/207:05 -

3 stops23h 21m

Deal found 6/8£786

Sat 5/1211:57 -

2 stops14h 58m

Sun 20/1211:55 -

1 stop13h 05m

Deal found 10/8£858

Mon 7/908:23 -

2 stops26h 32m

Thu 17/909:15 -

2 stops19h 30m

Deal found 10/8£881

Wed 18/1109:00 -

2 stops40h 55m

Thu 3/1217:20 -

2 stops35h 13m

Deal found 6/8£1,109

Mon 7/1211:30 -

1 stop15h 30m

Thu 14/106:30 -

2 stops16h 00m

Deal found 7/8£664

Tue 29/908:15 -

1 stop19h 55m

Wed 7/1007:25 -

2 stops19h 04m

Deal found 8/8£671

Sun 8/1117:41 -

1 stop34h 39m

Sun 15/1114:45 -

1 stop14h 11m

Deal found 9/8£678

Wed 9/919:00 -

2 stops19h 35m

Wed 16/906:10 -

3 stops35h 21m

Deal found 10/8£687

Tue 15/907:02 -

2 stops17h 23m

Tue 22/909:25 -

2 stops17h 46m

Deal found 6/8£715

Sun 6/1206:00 -

1 stop21h 40m

Wed 13/106:30 -

2 stops16h 00m

Deal found 6/8£664

Tue 6/1013:05 -

1 stop11h 45m

Fri 16/1008:25 -

2 stops19h 33m

Deal found 10/8£734

Fri 23/1006:10 -

1 stop21h 10m

Sun 1/1106:30 -

2 stops20h 20m

Deal found 6/8£744

Tue 22/912:47 -

1 stop12h 53m

Wed 30/909:30 -

2 stops34h 20m

Deal found 10/8£678

Fri 11/1215:10 -

1 stop14h 10m

Fri 15/114:45 -

1 stop14h 35m

Deal found 8/8£689

Sat 9/113:39 -

2 stops19h 46m

Tue 2/209:15 -

2 stops19h 18m

Deal found 9/8£722

Wed 11/1111:05 -

3 stops26h 15m

Mon 16/1110:20 -

2 stops20h 20m

Deal found 10/8£805

Thu 19/1114:45 -

1 stop14h 15m

Mon 30/1108:00 -

1 stop17h 00m

Deal found 6/8£733

Wed 23/914:19 -

1 stop13h 36m

Tue 6/1014:05 -

2 stops35h 41m

Deal found 9/8£678

Sun 1/1106:00 -

1 stop22h 20m

Tue 3/1114:45 -

1 stop17h 13m

Deal found 6/8£692

Sun 27/913:05 -

1 stop22h 40m

Mon 14/1207:45 -

2 stops22h 12m

Deal found 6/8£771

Mon 14/1213:13 -

2 stops19h 32m

Wed 13/110:00 -

2 stops20h 08m

Deal found 8/8£701

Sun 18/1012:18 -

2 stops18h 22m

Thu 22/1015:40 -

1 stop34h 15m

Deal found 10/8£869

Find flight deals from Oregon to London

Round-trip from	£633
One-way from	£177
Popular in	July
Cheapest in	November
Average price	£748

Alaska Airlines
9/12-12/1
2 total stops
39h 46m total
Oregon to London

Search Deals

6/9
2 total stops
52h 40m total
Oregon to London

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£127 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Mon 7/12

06:00-12:20

1 stop23h 20m

London Heathrow

Tue 12/1

14:45-22:20

1 stop14h 35m

£652

EugeneLondon

EUG Eugene - LHR London Heathrow

EUGLHR

Eugene

Wed 20/1

05:00-07:40

2 stops18h 40m

London Heathrow

Mon 25/1

13:45-23:20

2 stops41h 35m

£656

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Wed 9/12

07:05-11:35

1 stop21h 30m

London Heathrow

Thu 14/1

06:30-18:33

2 stops19h 03m

£664

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Mon 7/12

11:30-10:00

1 stop15h 30m

London Heathrow

Thu 14/1

06:30-15:30

2 stops16h 00m

£664

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Sun 6/12

06:00-10:40

1 stop21h 40m

London Heathrow

Wed 13/1

06:30-15:30

2 stops16h 00m

£664

EugeneLondon

EUG Eugene - LHR London Heathrow

EUGLHR

Eugene

Tue 22/9

12:32-15:35

1 stop19h 03m

London Heathrow

Wed 30/9

06:30-17:11

2 stops18h 41m

£671

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Tue 29/9

08:15-11:10

1 stop19h 55m

London Heathrow

Wed 7/10

07:25-19:29

2 stops19h 04m

£671

RedmondLondon

RDM Bend/Redmond - LHR London Heathrow

RDMLHR

Bend/Redmond

Sun 8/11

17:41-12:20

1 stop34h 39m

London Heathrow

Sun 15/11

14:45-20:56

1 stop14h 11m

£678

EugeneLondon

EUG Eugene - LHR London Heathrow

EUGLHR

Eugene

Tue 22/9

12:47-09:40

1 stop12h 53m

London Heathrow

Wed 30/9

09:30-11:50

2 stops34h 20m

£678

EugeneLondon

EUG Eugene - LHR London Heathrow

EUGLHR

Eugene

Wed 23/9

14:19-11:55

1 stop13h 36m

London Heathrow

Tue 6/10

14:05-17:46

2 stops35h 41m

£678

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

RDM-LHR

EUG-LHR

PDX-LHR

PDX-LGW

BOI-LHR

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

USOR-LON

RDM-LHR

EUG-LHR

PDX-LHR

PDX-LGW

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

Currently, February is the cheapest month in which you can book a flight from Oregon to London (average of £524). Flying from Oregon to London in July is currently the most expensive (average of £935). 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?

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

The most flights from USOR to LON are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost for a return flight from Oregon to London?

Airfare is typical for this route at the moment.

Oregon to London flights typically cost between £542 and £856 in January.
The cheapest return price found within the last 5 days was £669 on United Airlines (9 Jan–29 Jan).

How far ahead should I book a flight from Oregon to London?

Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oregon to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

How long is the flight from Oregon to London?
For as low as £656, Alaska Airlines can have you in London from Oregon in 18h 40m. Airlines will cover a distance of 4998 mi. This flight may include one or multiple stops.
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 Stansted.
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 (75%), Alaska Airlines (75%), Aer Lingus( 75%).
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, February is the cheapest month in which you can book a flight from Oregon to London (average of £524). Flying from Oregon to London in July is currently the most expensive (average of £935). 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

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Top airline flying from Oregon to London

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£438	Average£802	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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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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Cheap flights from Oregon to London from £177

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Oregon to London

Cheapest flights from Oregon to LondonExplore 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 11 August 2026.

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 11 August 2026.

Best flights from Oregon to LondonDiscover carefully curated flight deals from Oregon to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 August 2026.

Discover carefully curated flight deals from Oregon to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 August 2026.

Direct flights from Oregon to LondonExplore direct flight options from Oregon to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 August 2026.

Explore direct flight options from Oregon to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 August 2026.

Last-minute flights from Oregon to LondonDiscover last-minute flight deals from Oregon to London. Data last updated 11 August 2026 and is based on user searches.

Discover last-minute flight deals from Oregon to London. Data last updated 11 August 2026 and is based on user searches.

One-way flights from Oregon to LondonSearch for one-way flight options from Oregon to London. Find affordable one-way fares based on user searches. Data last updated 11 August 2026.

Search for one-way flight options from Oregon to London. Find affordable one-way fares based on user searches. Data last updated 11 August 2026.

Find flight deals from Oregon to London

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

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.

Cheapflights Insights

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

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 11 August 2026.

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 11 August 2026.

The most flights from USOR to LON are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost for a return flight from Oregon to London?

Airfare is typical for this route at the moment.

Oregon to London flights typically cost between £542 and £856 in January.The cheapest return price found within the last 5 days was £669 on United Airlines (9 Jan–29 Jan).

How far ahead should I book a flight from Oregon to London?

Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oregon to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

How long is the flight from Oregon to London?

What are the most popular routes from Oregon to London?

What are the most reliable airlines from Oregon to London?

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

How can I find direct flights from Oregon to London?

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

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

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Search flights from Oregon to London by cabin class

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Other flights to London

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

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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 11 August 2026.

Best flights from Oregon to London
Discover carefully curated flight deals from Oregon to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 August 2026.

Direct flights from Oregon to London
Explore direct flight options from Oregon to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 August 2026.

Last-minute flights from Oregon to London
Discover last-minute flight deals from Oregon to London. Data last updated 11 August 2026 and is based on user searches.

One-way flights from Oregon to London
Search for one-way flight options from Oregon to London. Find affordable one-way fares based on user searches. Data last updated 11 August 2026.

Oregon to London flights typically cost between £542 and £856 in January.
The cheapest return price found within the last 5 days was £669 on United Airlines (9 Jan–29 Jan).