How long is the flight from Oregon to London?

For as low as £627, United Airlines can have you in London from Oregon in 18h 10m. Airlines will cover a distance of 4933 mi.

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 (83%), Alaska Airlines (83%), Aer Lingus( 83%).

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.

£226+ 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 25 October 2026.

Thu 5/1114:45 -

2 stops19h 45m

Wed 11/1106:40 -

2 stops18h 20m

Deal found 21/10£565

Mon 16/1114:45 -

1 stop16h 45m

Mon 23/1107:40 -

1 stop17h 20m

Deal found 20/10£565

Mon 30/1114:45 -

1 stop16h 45m

Fri 11/1206:00 -

1 stop19h 00m

Deal found 21/10£568

Mon 7/1214:45 -

1 stop16h 45m

Fri 11/1206:00 -

1 stop19h 00m

Deal found 24/10£570

Tue 1/1214:45 -

2 stops22h 55m

Tue 15/1218:05 -

3 stops30h 55m

Deal found 21/10£572

Tue 3/1114:45 -

2 stops18h 05m

Tue 10/1117:40 -

3 stops31h 20m

Deal found 20/10£572

Mon 7/1214:45 -

1 stop12h 05m

Fri 11/1212:15 -

1 stop12h 45m

Deal found 21/10£578

Sat 5/1214:45 -

3 stops33h 50m

Sat 12/1215:25 -

3 stops33h 35m

Deal found 21/10£579

Mon 9/1114:45 -

1 stop20h 45m

Tue 17/1120:35 -

1 stop28h 25m

Deal found 22/10£580

Tue 17/1114:45 -

1 stop12h 05m

Tue 24/1120:35 -

1 stop28h 25m

Deal found 21/10£584

Tue 3/1114:45 -

1 stop12h 10m

Wed 25/1111:55 -

1 stop13h 05m

Deal found 20/10£584

Sat 5/1214:45 -

2 stops22h 35m

Sat 12/1218:10 -

3 stops30h 50m

Deal found 21/10£585

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 25 October 2026.

Wed 3/305:00 -

2 stops18h 10m

Fri 5/306:35 -

2 stops19h 28m

Deal found 20/10£627

Tue 23/313:38 -

1 stop15h 42m

Tue 30/317:00 -

1 stop15h 17m

Deal found 21/10£658

Sun 21/213:38 -

1 stop13h 02m

Fri 26/206:30 -

1 stop12h 50m

Deal found 23/10£663

Mon 19/411:10 -

1 stop13h 40m

Wed 28/406:30 -

1 stop12h 40m

Deal found 21/10£673

Sat 10/413:45 -

1 stop12h 15m

Mon 10/520:55 -

1 stop22h 15m

Deal found 24/10£704

Thu 31/1214:45 -

1 stop12h 10m

Sun 21/314:40 -

1 stop34h 15m

Deal found 24/10£714

Sat 6/205:30 -

3 stops20h 10m

Thu 11/218:40 -

2 stops32h 37m

Deal found 20/10£732

Sat 10/407:00 -

2 stops27h 50m

Sat 24/406:40 -

3 stops23h 46m

Deal found 22/10£734

Mon 8/212:00 -

2 stops23h 25m

Mon 15/210:25 -

2 stops16h 08m

Deal found 23/10£834

Wed 3/313:38 -

1 stop14h 42m

Fri 5/314:45 -

1 stop30h 00m

Deal found 22/10£659

Wed 7/416:03 -

2 stops18h 22m

Wed 21/407:25 -

2 stops18h 38m

Deal found 24/10£665

Tue 23/306:20 -

1 stop21h 20m

Tue 30/308:55 -

2 stops21h 51m

Deal found 21/10£682

Sun 10/106:20 -

2 stops16h 45m

Mon 1/220:25 -

2 stops28h 10m

Deal found 23/10£728

Tue 1/1211:01 -

3 stops20h 59m

Fri 11/1206:40 -

2 stops23h 38m

Deal found 20/10£739

Tue 9/216:03 -

1 stop12h 17m

Tue 16/214:45 -

1 stop14h 28m

Deal found 23/10£674

Sun 7/213:20 -

1 stop13h 25m

Sun 14/206:30 -

1 stop12h 50m

Deal found 23/10£710

Tue 5/113:21 -

1 stop12h 19m

Thu 14/109:00 -

2 stops19h 45m

Deal found 21/10£731

Mon 5/415:40 -

2 stops15h 00m

Tue 13/415:40 -

1 stop34h 15m

Deal found 21/10£819

Tue 2/315:40 -

1 stop12h 40m

Fri 5/314:45 -

1 stop14h 28m

Deal found 24/10£681

Sun 4/419:05 -

1 stop11h 35m

Sun 18/415:40 -

2 stops16h 30m

Deal found 24/10£841

Tue 29/1212:26 -

2 stops19h 19m

Wed 24/310:00 -

2 stops17h 50m

Deal found 24/10£737

Wed 13/115:15 -

1 stop12h 35m

Wed 20/107:30 -

2 stops18h 29m

Deal found 21/10£737

Tue 9/216:03 -

1 stop12h 17m

Mon 15/214:45 -

1 stop15h 59m

Deal found 23/10£711

Mon 30/1113:49 -

2 stops17h 11m

Sun 6/1220:15 -

2 stops31h 38m

Deal found 21/10£956

Mon 1/216:03 -

2 stops22h 32m

Wed 10/206:30 -

2 stops23h 47m

Deal found 20/10£891

Mon 28/1217:18 -

2 stops18h 52m

Fri 19/306:20 -

2 stops21h 30m

Deal found 24/10£739

Tue 24/1105:00 -

1 stop20h 40m

Tue 1/1206:35 -

2 stops19h 52m

Deal found 20/10£773

Sun 15/1110:35 -

2 stops16h 20m

Mon 23/1111:55 -

1 stop13h 05m

Deal found 24/10£944

Tue 8/1211:32 -

2 stops20h 13m

Wed 16/1210:00 -

2 stops20h 06m

Deal found 21/10£782

Sun 8/1112:29 -

2 stops19h 16m

Sun 15/1110:00 -

2 stops19h 57m

Deal found 21/10£882

Find flight deals from Oregon to London

Round-trip from	£563
One-way from	£226
Popular in	July
Cheapest in	January
Average price	£720
Good round-trip deal	£1,316 or less

1/3-4/3
3 total stops
52h 35m total
Oregon to London

Search Deals

Icelandair
10/11-31/12
1 total stop
12h 05m total
Oregon to London

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£116 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 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

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Mon 5/4

19:05-14:40

1 stop11h 35m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£234

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Mon 30/11

14:45-16:20

2 stops17h 35m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£237

RedmondLondon

RDM Bend/Redmond - LHR London Heathrow

RDMLHR

Bend/Redmond

Mon 1/3

13:55-11:15

1 stop13h 20m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£250

Fastest return journey

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Mon 15/3

18:45-11:20

Nonstop9h 35m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£250

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Mon 5/4

13:45-10:00

1 stop12h 15m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£253

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Mon 5/4

16:05-06:30

3 stops30h 25m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£260

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Sun 14/3

07:00-09:00

2 stops19h 00m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£261

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Mon 15/3

07:00-09:00

2 stops19h 00m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£261

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Tue 16/3

11:10-15:45

2 stops21h 35m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£261

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Mon 22/3

18:45-11:20

Nonstop9h 35m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£265

Flights are sorted by cheapest return flights first.

Deals found on 20/10

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.

PDX-LHR

PDX-LGW

RDM-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

PDX-LHR

PDX-LGW

RDM-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 £574). Flying from Oregon to London in July is currently the most expensive (average of £962). 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 £517 and £790 in February.
The cheapest return price found within the last 5 days was £563 on Multiple Airlines (8 Feb–16 Feb).

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 £627, United Airlines can have you in London from Oregon in 18h 10m. Airlines will cover a distance of 4933 mi.
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 (83%), Alaska Airlines (83%), Aer Lingus( 83%).
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 £574). Flying from Oregon to London in July is currently the most expensive (average of £962). 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£460	Average£830	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 £226

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. 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 25 October 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 25 October 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 25 October 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 25 October 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 25 October 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 25 October 2026.

Last-minute flights from Oregon to LondonDiscover last-minute flight deals from Oregon to London. Data last updated 25 October 2026 and is based on user searches.

Discover last-minute flight deals from Oregon to London. Data last updated 25 October 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 25 October 2026.

Search for one-way flight options from Oregon to London. Find affordable one-way fares based on user searches. Data last updated 25 October 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 25 October 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 £517 and £790 in February.The cheapest return price found within the last 5 days was £563 on Multiple Airlines (8 Feb–16 Feb).

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?

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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Alternative routes for Oregon to London

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Complete your trip

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Other flights to London

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

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

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 25 October 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 25 October 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 25 October 2026.

Last-minute flights from Oregon to London
Discover last-minute flight deals from Oregon to London. Data last updated 25 October 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 25 October 2026.

Oregon to London flights typically cost between £517 and £790 in February.
The cheapest return price found within the last 5 days was £563 on Multiple Airlines (8 Feb–16 Feb).