How long is the flight from Oregon to London?

For as low as £564, United Airlines can have you in London from Oregon in 12h 33m. 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 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.

£234+ 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 13 October 2026.

Tue 17/1114:45 -

2 stops22h 35m

Fri 27/1106:40 -

2 stops18h 20m

Deal found 10/10£566

Thu 5/1114:45 -

3 stops33h 20m

Thu 12/1113:00 -

3 stops36h 00m

Deal found 8/10£571

Mon 9/1114:45 -

1 stop16h 45m

Wed 25/1108:20 -

1 stop16h 40m

Deal found 8/10£580

Mon 2/1114:45 -

1 stop16h 45m

Wed 11/1108:20 -

1 stop16h 40m

Deal found 9/10£582

Thu 26/1114:45 -

3 stops33h 20m

Thu 3/1213:00 -

3 stops36h 00m

Deal found 12/10£587

Mon 16/1114:45 -

1 stop16h 45m

Wed 25/1108:20 -

1 stop16h 40m

Deal found 9/10£590

Tue 3/1114:45 -

1 stop16h 55m

Wed 11/1108:20 -

1 stop16h 40m

Deal found 9/10£595

Mon 9/1114:45 -

1 stop16h 45m

Mon 16/1107:40 -

1 stop17h 20m

Deal found 11/10£601

Tue 1/1214:45 -

1 stop20h 45m

Wed 16/1212:15 -

1 stop12h 45m

Deal found 12/10£606

Tue 10/1114:45 -

1 stop12h 05m

Tue 17/1120:35 -

1 stop28h 25m

Deal found 12/10£610

Tue 3/1114:45 -

1 stop12h 05m

Tue 10/1120:35 -

1 stop28h 25m

Deal found 13/10£614

Tue 1/1214:45 -

3 stops22h 35m

Wed 9/1206:40 -

2 stops18h 20m

Deal found 12/10£615

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 13 October 2026.

Wed 3/313:07 -

1 stop12h 33m

Fri 5/309:00 -

2 stops34h 51m

Deal found 9/10£564

Wed 2/1206:35 -

1 stop15h 50m

Fri 11/1206:30 -

1 stop12h 50m

Deal found 9/10£721

Tue 10/1107:08 -

1 stop18h 52m

Tue 17/1114:55 -

1 stop16h 54m

Deal found 11/10£729

Mon 9/1107:00 -

1 stop15h 50m

Wed 25/1113:35 -

Nonstop10h 15m

Deal found 8/10£738

Mon 30/1113:05 -

2 stops24h 35m

Wed 9/1207:05 -

3 stops21h 50m

Deal found 12/10£746

Thu 10/1212:06 -

2 stops23h 19m

Mon 14/1210:25 -

2 stops17h 28m

Deal found 11/10£1,014

Sun 17/107:00 -

2 stops19h 15m

Fri 22/106:35 -

2 stops19h 48m

Deal found 10/10£661

Sun 14/205:00 -

1 stop20h 40m

Tue 23/206:35 -

2 stops19h 13m

Deal found 11/10£661

Mon 16/1106:00 -

2 stops19h 00m

Wed 25/1110:00 -

2 stops19h 57m

Deal found 9/10£736

Mon 9/1111:00 -

3 stops23h 30m

Wed 25/1107:05 -

3 stops21h 51m

Deal found 8/10£760

Tue 5/113:38 -

2 stops18h 07m

Thu 14/110:00 -

2 stops19h 27m

Deal found 8/10£744

Sun 8/1107:00 -

2 stops25h 00m

Sat 14/1106:40 -

3 stops22h 16m

Deal found 9/10£791

Wed 28/1013:02 -

1 stop13h 38m

Wed 4/1106:35 -

2 stops19h 44m

Deal found 12/10£746

Fri 16/1016:05 -

1 stop33h 35m

Sat 24/1010:15 -

2 stops31h 11m

Deal found 12/10£921

Tue 1/1206:00 -

1 stop17h 05m

Sun 13/1206:30 -

2 stops20h 28m

Deal found 12/10£766

Tue 1/1223:10 -

1 stop24h 40m

Mon 21/1206:20 -

2 stops22h 40m

Deal found 12/10£771

Mon 21/1213:30 -

2 stops25h 05m

Thu 14/117:25 -

2 stops36h 52m

Deal found 8/10£973

Tue 8/1213:00 -

3 stops24h 35m

Wed 16/1207:05 -

3 stops21h 50m

Deal found 10/10£900

Wed 2/1207:10 -

2 stops17h 50m

Sat 12/1210:00 -

2 stops20h 18m

Deal found 12/10£774

Tue 3/1109:46 -

2 stops22h 44m

Tue 10/1117:25 -

2 stops35h 37m

Deal found 10/10£1,018

Tue 8/1211:32 -

2 stops20h 13m

Mon 14/1210:00 -

2 stops20h 18m

Deal found 11/10£774

Mon 4/113:38 -

2 stops18h 07m

Sun 17/110:00 -

2 stops17h 03m

Deal found 8/10£781

Fri 6/1106:00 -

2 stops19h 00m

Mon 9/1110:00 -

2 stops16h 55m

Deal found 8/10£812

Thu 10/1211:32 -

2 stops18h 13m

Wed 16/1206:30 -

2 stops20h 28m

Deal found 11/10£815

Sun 1/1123:00 -

1 stop23h 25m

Wed 11/1106:30 -

1 stop13h 10m

Deal found 12/10£831

Thu 10/1211:32 -

2 stops20h 13m

Wed 16/1210:00 -

2 stops20h 06m

Deal found 11/10£866

Tue 3/1112:29 -

2 stops19h 16m

Sun 15/1110:00 -

2 stops19h 57m

Deal found 9/10£884

Find flight deals from Oregon to London

Round-trip from	£564
One-way from	£234
Popular in	July
Cheapest in	January
Average price	£729

United Airlines
3/3-5/3
3 total stops
47h 24m total
Oregon to London

Search Deals

Icelandair
23/11-31/12
1 total stop
20h 45m total
Oregon to London

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£121 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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Tue 10/11

14:45-10:55

1 stop12h 10m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£246

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Sun 10/1

19:10-11:50

1 stop32h 40m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£253

Fastest return journey

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Mon 11/1

17:45-11:20

Nonstop9h 35m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£253

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Sat 9/1

19:10-11:50

1 stop32h 40m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£253

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Mon 11/1

13:18-21:20

3 stops24h 02m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£261

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Tue 5/1

14:45-16:50

2 stops18h 05m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£271

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Sat 31/10

15:45-08:35

3 stops33h 50m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£279

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Fri 8/1

17:45-11:20

Nonstop9h 35m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£291

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Mon 28/12

14:45-10:55

1 stop12h 10m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£298

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Thu 29/10

15:45-07:50

3 stops33h 05m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£304

Flights are sorted by cheapest return flights first.

Deals found on 11/10

Showing 1-10 of 53 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

PDX-LGW

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

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 £553). Flying from Oregon to London in July is currently the most expensive (average of £970). 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 Wednesday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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

Airfare is below average for this route at the moment.

Oregon to London flights typically cost between £624 and £836 in November.
The cheapest return price found within the last 5 days was £566 on Multiple Airlines (17 Nov–27 Nov).

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

Booking 30 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 £564, United Airlines can have you in London from Oregon in 12h 33m. 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 (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 £553). Flying from Oregon to London in July is currently the most expensive (average of £970). 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£465	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 £234

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/11. 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 13 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 13 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 13 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 13 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 13 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 13 October 2026.

Last-minute flights from Oregon to LondonDiscover last-minute flight deals from Oregon to London. Data last updated 13 October 2026 and is based on user searches.

Discover last-minute flight deals from Oregon to London. Data last updated 13 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 13 October 2026.

Search for one-way flight options from Oregon to London. Find affordable one-way fares based on user searches. Data last updated 13 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 13 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.

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 October 2026.

The most flights from USOR to LON are scheduled on a Wednesday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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

Airfare is below average for this route at the moment.

Oregon to London flights typically cost between £624 and £836 in November.The cheapest return price found within the last 5 days was £566 on Multiple Airlines (17 Nov–27 Nov).

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

Booking 30 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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Search flights from Oregon to London by cabin class

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Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 13 October 2026.

Oregon and London flights

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Oregon to London flights

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How does Cheapflights help users find flights 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 13 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 13 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 13 October 2026.

Last-minute flights from Oregon to London
Discover last-minute flight deals from Oregon to London. Data last updated 13 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 13 October 2026.

Oregon to London flights typically cost between £624 and £836 in November.
The cheapest return price found within the last 5 days was £566 on Multiple Airlines (17 Nov–27 Nov).