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 (85%), Alaska Airlines (85%), Aer Lingus( 85%).

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.

£209+ 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 26 September 2026.

Tue 29/917:29 -

1 stop14h 06m

Wed 14/1006:30 -

2 stops18h 15m

Deal found 22/9£562

Wed 18/1113:34 -

1 stop12h 26m

Wed 25/1108:55 -

2 stops22h 32m

Deal found 24/9£563

Tue 29/913:44 -

1 stop17h 51m

Wed 14/1011:30 -

2 stops19h 36m

Deal found 22/9£564

Wed 25/1106:20 -

2 stops21h 15m

Thu 3/1206:20 -

2 stops24h 41m

Deal found 22/9£568

Mon 7/1213:28 -

1 stop14h 52m

Wed 9/1214:45 -

1 stop17h 14m

Deal found 22/9£568

Tue 29/913:44 -

1 stop17h 51m

Wed 14/1011:40 -

1 stop19h 26m

Deal found 22/9£570

Wed 14/1013:26 -

1 stop13h 54m

Wed 28/1011:20 -

2 stops19h 39m

Deal found 23/9£573

Thu 22/1010:10 -

1 stop19h 10m

Thu 29/1014:30 -

1 stop35h 01m

Deal found 22/9£574

Tue 6/1005:30 -

1 stop24h 40m

Fri 16/1015:05 -

1 stop26h 26m

Deal found 22/9£575

Thu 22/1015:30 -

2 stops20h 40m

Thu 29/1015:15 -

2 stops33h 45m

Deal found 22/9£575

Sat 17/1015:30 -

2 stops34h 30m

Tue 27/1014:30 -

1 stop35h 01m

Deal found 22/9£576

Mon 19/1015:30 -

2 stops23h 00m

Wed 4/1108:00 -

3 stops20h 46m

Deal found 23/9£576

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 26 September 2026.

Wed 3/313:07 -

1 stop12h 33m

Fri 5/309:00 -

2 stops34h 51m

Deal found 25/9£564

Wed 18/1105:15 -

2 stops17h 35m

Wed 25/1108:55 -

2 stops22h 32m

Deal found 24/9£566

Mon 7/1213:28 -

1 stop14h 52m

Wed 9/1214:45 -

1 stop17h 14m

Deal found 21/9£568

Wed 14/1006:10 -

2 stops23h 05m

Wed 28/1020:10 -

2 stops22h 35m

Deal found 23/9£573

Wed 17/206:20 -

1 stop20h 20m

Tue 23/217:50 -

2 stops30h 45m

Deal found 22/9£573

Tue 2/305:55 -

2 stops16h 55m

Tue 9/317:05 -

2 stops31h 30m

Deal found 23/9£576

Tue 17/1111:00 -

3 stops21h 00m

Wed 2/1210:20 -

2 stops18h 37m

Deal found 25/9£795

Tue 26/107:15 -

1 stop18h 45m

Mon 1/213:35 -

Nonstop10h 15m

Deal found 21/9£821

Wed 17/205:55 -

2 stops16h 25m

Tue 23/206:20 -

2 stops18h 15m

Deal found 22/9£576

Thu 5/1112:20 -

1 stop14h 20m

Thu 12/1106:30 -

2 stops18h 16m

Deal found 21/9£600

Sun 22/1117:41 -

1 stop34h 39m

Mon 30/1114:45 -

1 stop34h 33m

Deal found 22/9£626

Tue 6/1009:55 -

1 stop17h 05m

Fri 16/1017:45 -

1 stop14h 14m

Deal found 22/9£577

Mon 8/216:05 -

2 stops29h 50m

Sat 20/207:40 -

2 stops20h 53m

Deal found 22/9£646

Sun 22/1106:04 -

1 stop20h 36m

Mon 30/1110:55 -

2 stops20h 32m

Deal found 21/9£671

Tue 1/1211:32 -

2 stops20h 13m

Wed 16/1210:00 -

2 stops20h 06m

Deal found 23/9£586

Thu 21/119:49 -

1 stop27h 36m

Mon 25/114:30 -

1 stop26h 56m

Deal found 23/9£647

Wed 3/313:38 -

1 stop14h 42m

Fri 5/314:45 -

1 stop30h 00m

Deal found 25/9£665

Mon 30/1121:54 -

1 stop24h 56m

Tue 8/1209:35 -

1 stop31h 47m

Deal found 24/9£695

Tue 5/113:38 -

2 stops18h 07m

Thu 14/110:00 -

2 stops19h 27m

Deal found 23/9£593

Mon 1/213:00 -

3 stops24h 35m

Wed 10/210:20 -

2 stops18h 36m

Deal found 24/9£797

Tue 2/315:40 -

1 stop12h 40m

Fri 5/314:45 -

1 stop14h 28m

Deal found 25/9£680

Tue 20/1011:03 -

2 stops19h 37m

Wed 11/1111:55 -

1 stop13h 05m

Deal found 23/9£714

Wed 17/306:00 -

1 stop18h 25m

Sat 27/315:00 -

2 stops37h 10m

Deal found 25/9£718

Wed 10/210:00 -

3 stops24h 30m

Wed 17/207:05 -

3 stops21h 51m

Deal found 25/9£799

Wed 11/1106:04 -

2 stops20h 26m

Sun 22/1106:20 -

2 stops25h 35m

Deal found 22/9£604

Sat 7/1118:46 -

1 stop33h 34m

Fri 20/1114:45 -

1 stop34h 19m

Deal found 25/9£712

Wed 17/206:20 -

1 stop20h 20m

Sat 27/206:20 -

2 stops18h 15m

Deal found 21/9£610

Thu 15/1015:31 -

2 stops16h 29m

Mon 2/1110:00 -

2 stops18h 00m

Deal found 22/9£662

Mon 1/216:03 -

2 stops22h 32m

Wed 10/206:30 -

2 stops23h 47m

Deal found 25/9£901

Mon 1/211:10 -

2 stops18h 35m

Wed 10/206:30 -

2 stops18h 29m

Deal found 25/9£680

Find flight deals from Oregon to London

Round-trip from	£563
One-way from	£209
Popular in	July
Cheapest in	January
Average price	£737

Virgin Atlantic
18/11-25/11
3 total stops
34h 58m total
Oregon to London

Search Deals

5/10-31/12
2 total stops
18h 55m total
Oregon to London

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£120 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 September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Thu 15/10

15:30-14:40

1 stop15h 10m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£233

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Thu 22/10

15:30-07:40

3 stops32h 10m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£234

Fastest return journey

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Wed 24/3

18:45-11:20

Nonstop9h 35m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£253

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Sat 20/3

19:10-11:50

1 stop33h 40m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£253

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Sat 6/2

13:39-21:20

3 stops23h 41m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£256

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Tue 23/3

13:38-15:45

2 stops19h 07m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£260

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Thu 25/3

08:46-07:10

3 stops39h 24m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£297

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Fri 5/3

13:38-15:45

2 stops18h 07m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£298

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Tue 13/10

10:10-20:10

3 stops26h 00m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£326

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Fri 25/12

17:45-11:20

Nonstop9h 35m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£335

Flights are sorted by cheapest return flights first.

Deals found on 21/9

Showing 1-10 of 56 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.

MFR-LHR

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

MFR-LHR

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 £552). Flying from Oregon to London in July is currently the most expensive (average of £959). 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 Thursday, which is when the least amount of flights are scheduled (1 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 £610 and £829 in October.
The cheapest return price found within the last 5 days was £574 on Air Canada (22 Oct–29 Oct).

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

Booking 2 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 (85%), Alaska Airlines (85%), Aer Lingus( 85%).
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 £552). Flying from Oregon to London in July is currently the most expensive (average of £959). 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£839	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 £209

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. 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 26 September 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 26 September 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 26 September 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 26 September 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 26 September 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 26 September 2026.

Last-minute flights from Oregon to LondonDiscover last-minute flight deals from Oregon to London. Data last updated 26 September 2026 and is based on user searches.

Discover last-minute flight deals from Oregon to London. Data last updated 26 September 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 26 September 2026.

Search for one-way flight options from Oregon to London. Find affordable one-way fares based on user searches. Data last updated 26 September 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 26 September 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 26 September 2026.

The most flights from USOR to LON are scheduled on a Monday (7 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 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 £610 and £829 in October.The cheapest return price found within the last 5 days was £574 on Air Canada (22 Oct–29 Oct).

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

Booking 2 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

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 26 September 2026.

Oregon and London flights

Browse other Oregon and London flight options. Last updated on 26 September 2026.

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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 26 September 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 26 September 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 26 September 2026.

Last-minute flights from Oregon to London
Discover last-minute flight deals from Oregon to London. Data last updated 26 September 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 26 September 2026.

Oregon to London flights typically cost between £610 and £829 in October.
The cheapest return price found within the last 5 days was £574 on Air Canada (22 Oct–29 Oct).