How long is the flight from Oregon to London?

For as low as £616, United Airlines can have you in London from Oregon in 16h 25m. Airlines will cover a distance of 4933 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 cheapest flights from Oregon to London?

While on average a flight from Oregon to London is generally £1,695, our data shows the cheapest flight currently is £240. When looking at the most popular route, (Portland - London Heathrow), you can expect to pay £516 for that flight.

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 (79%), Alaska Airlines (79%), Aer Lingus( 79%).

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.

£206+ 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 10 November 2026.

Fri 4/1207:00 -

3 stops25h 00m

Fri 11/1206:40 -

3 stops34h 46m

Deal found 6/11£561

Mon 30/1114:45 -

1 stop12h 05m

Mon 7/1212:15 -

1 stop12h 45m

Deal found 5/11£567

Thu 26/1114:45 -

1 stop20h 45m

Thu 3/1220:35 -

1 stop28h 25m

Deal found 5/11£568

Mon 7/1214:45 -

1 stop12h 05m

Wed 23/1212:15 -

1 stop12h 45m

Deal found 8/11£569

Mon 16/1114:45 -

2 stops22h 35m

Tue 24/1118:20 -

3 stops30h 40m

Deal found 5/11£574

Tue 17/1114:45 -

1 stop20h 45m

Wed 25/1112:15 -

1 stop12h 45m

Deal found 8/11£580

Tue 17/1114:45 -

1 stop20h 45m

Thu 3/1220:35 -

1 stop28h 25m

Deal found 8/11£581

Tue 1/1214:45 -

1 stop20h 45m

Sun 13/1212:15 -

1 stop12h 45m

Deal found 9/11£585

Mon 7/1214:45 -

1 stop20h 45m

Mon 14/1212:15 -

1 stop12h 45m

Deal found 9/11£585

Tue 24/1114:45 -

1 stop12h 05m

Tue 22/1220:35 -

1 stop28h 25m

Deal found 9/11£586

Tue 24/1114:45 -

1 stop20h 45m

Wed 23/1212:15 -

1 stop12h 45m

Deal found 9/11£600

Wed 9/1207:00 -

1 stop16h 25m

Wed 16/1216:20 -

2 stops27h 41m

Deal found 9/11£734

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 10 November 2026.

Mon 1/307:00 -

1 stop16h 25m

Wed 3/306:35 -

2 stops19h 51m

Deal found 7/11£617

Wed 7/412:30 -

1 stop12h 20m

Fri 23/406:30 -

2 stops18h 05m

Deal found 9/11£666

Mon 1/313:38 -

1 stop14h 42m

Wed 3/314:45 -

1 stop33h 58m

Deal found 5/11£668

Wed 10/206:00 -

1 stop16h 50m

Wed 17/213:35 -

Nonstop10h 15m

Deal found 6/11£697

Mon 1/313:58 -

3 stops23h 37m

Tue 16/306:40 -

2 stops22h 46m

Deal found 5/11£698

Mon 1/210:50 -

2 stops16h 00m

Wed 10/220:35 -

1 stop28h 25m

Deal found 5/11£706

Sun 17/111:19 -

1 stop15h 21m

Fri 29/106:30 -

2 stops24h 23m

Deal found 9/11£740

Wed 7/412:30 -

1 stop12h 20m

Tue 20/406:30 -

2 stops24h 16m

Deal found 9/11£666

Tue 9/214:04 -

1 stop14h 16m

Wed 17/214:45 -

1 stop14h 05m

Deal found 9/11£684

Wed 21/410:00 -

1 stop19h 20m

Fri 30/415:05 -

1 stop13h 40m

Deal found 5/11£696

Mon 1/313:58 -

3 stops23h 37m

Wed 10/306:40 -

2 stops22h 47m

Deal found 9/11£699

Sat 10/421:45 -

1 stop24h 40m

Mon 19/411:45 -

1 stop31h 05m

Deal found 9/11£674

Mon 25/111:05 -

3 stops26h 30m

Fri 5/207:05 -

3 stops23h 30m

Deal found 6/11£702

Fri 26/307:00 -

2 stops17h 40m

Fri 2/414:50 -

1 stop14h 30m

Deal found 5/11£729

Sun 17/114:31 -

1 stop13h 49m

Fri 29/114:45 -

1 stop14h 10m

Deal found 9/11£737

Thu 21/111:05 -

3 stops26h 15m

Mon 25/106:40 -

3 stops22h 13m

Deal found 7/11£703

Fri 26/317:20 -

2 stops19h 50m

Fri 2/409:55 -

2 stops20h 51m

Deal found 5/11£706

Fri 9/413:07 -

1 stop12h 33m

Thu 22/414:50 -

1 stop14h 30m

Deal found 9/11£730

Wed 9/1205:00 -

1 stop20h 40m

Tue 22/1211:35 -

1 stop17h 57m

Deal found 6/11£738

Find flight deals from Oregon to London

Round-trip from	£553
One-way from	£206
Popular in	July
Cheapest in	January
Average price	£633
Good round-trip deal	£1,314 or less

Icelandair
1/3-10/3
2 total stops
24h 50m total
Oregon to London

Search Deals

Icelandair
11/1-31/12
1 total stop
12h 05m total
Oregon to London

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£102 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Price to beat on a round-trip flight from Oregon to London (LON).

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Mon 3/5

20:25-14:00

Nonstop9h 35m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£254

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Sat 3/4

19:10-13:20

1 stop34h 10m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£254

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Sun 7/2

17:45-11:20

Nonstop9h 35m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£254

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Tue 23/3

16:05-07:10

3 stops32h 05m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£260

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Thu 25/3

16:05-07:10

3 stops32h 05m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£297

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Thu 18/3

16:05-07:10

3 stops32h 05m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£297

RedmondLondon

RDM Bend/Redmond - LHR London Heathrow

RDMLHR

Bend/Redmond

Sat 16/1

12:45-10:50

3 stops38h 05m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£304

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Wed 23/12

21:27-15:40

2 stops34h 13m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£412

RedmondLondon

RDM Bend/Redmond - LHR London Heathrow

RDMLHR

Bend/Redmond

Tue 17/11

05:20-10:50

3 stops21h 30m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£417

RedmondLondon

RDM Bend/Redmond - LHR London Heathrow

RDMLHR

Bend/Redmond

Sun 15/11

12:23-10:50

3 stops38h 27m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£424

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 35 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

PDX-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

PDX-LHR

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 £597). Flying from Oregon to London in July is currently the most expensive (average of £964). 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.

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 £486 and £793 in March.
The cheapest return price found within the last 5 days was £553 on Icelandair (1 Mar–10 Mar).

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

Booking 22 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 £616, United Airlines can have you in London from Oregon in 16h 25m. Airlines will cover a distance of 4933 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 (79%), Alaska Airlines (79%), Aer Lingus( 79%).
What are the cheapest flights from Oregon to London?
While on average a flight from Oregon to London is generally £1,695, our data shows the cheapest flight currently is £240. When looking at the most popular route, (Portland - London Heathrow), you can expect to pay £516 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, February is the cheapest month in which you can book a flight from Oregon to London (average of £597). Flying from Oregon to London in July is currently the most expensive (average of £964). 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.

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Top airline flying from Oregon to London

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£459	Average£840	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 £206

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. 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 10 November 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 10 November 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 10 November 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 10 November 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 10 November 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 10 November 2026.

Last-minute flights from Oregon to LondonDiscover last-minute flight deals from Oregon to London. Data last updated 10 November 2026 and is based on user searches.

Discover last-minute flight deals from Oregon to London. Data last updated 10 November 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 10 November 2026.

Search for one-way flight options from Oregon to London. Find affordable one-way fares based on user searches. Data last updated 10 November 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 10 November 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.

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 £486 and £793 in March.The cheapest return price found within the last 5 days was £553 on Icelandair (1 Mar–10 Mar).

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

Booking 22 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?

What are the cheapest flights 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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Can Cheapflights find flights from Oregon to London with no change fees?

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 10 November 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 10 November 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 10 November 2026.

Last-minute flights from Oregon to London
Discover last-minute flight deals from Oregon to London. Data last updated 10 November 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 10 November 2026.

Oregon to London flights typically cost between £486 and £793 in March.
The cheapest return price found within the last 5 days was £553 on Icelandair (1 Mar–10 Mar).