How long is the flight from Oregon to London?

For as low as £669, United Airlines can have you in London from Oregon in 19h 15m. Airlines will cover a distance of 5089 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 (82%), Alaska Airlines (82%), Aer Lingus( 82%).

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.

£181+ 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 29 August 2026.

Mon 7/1214:00 -

1 stop13h 15m

Wed 9/1209:00 -

2 stops22h 09m

Deal found 27/8£553

Sun 6/1206:15 -

2 stops22h 45m

Tue 8/1211:10 -

2 stops41h 24m

Deal found 27/8£556

Tue 1/1212:19 -

1 stop16h 41m

Tue 8/1207:30 -

2 stops22h 12m

Deal found 25/8£645

Sun 6/1219:17 -

2 stops17h 53m

Tue 12/108:55 -

2 stops16h 38m

Deal found 27/8£646

Sun 6/1209:53 -

1 stop19h 27m

Tue 12/114:45 -

1 stop16h 01m

Deal found 27/8£649

Tue 1/1206:15 -

2 stops17h 25m

Tue 8/1206:35 -

2 stops19h 41m

Deal found 25/8£652

Mon 7/1213:32 -

1 stop14h 48m

Wed 9/1214:45 -

1 stop17h 48m

Deal found 24/8£654

Sun 6/1213:00 -

1 stop16h 20m

Tue 8/1214:45 -

1 stop15h 02m

Deal found 24/8£656

Tue 1/1213:17 -

2 stops19h 28m

Tue 8/1210:00 -

2 stops19h 58m

Deal found 25/8£657

Mon 28/915:30 -

1 stop12h 25m

Mon 12/1021:25 -

1 stop28h 30m

Deal found 24/8£658

Wed 7/1015:30 -

2 stops22h 35m

Wed 14/1008:05 -

2 stops17h 50m

Deal found 28/8£658

Sat 31/1015:45 -

2 stops15h 30m

Thu 12/1111:00 -

1 stop17h 33m

Deal found 28/8£658

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 29 August 2026.

Mon 7/1205:10 -

1 stop20h 30m

Wed 9/1209:00 -

2 stops18h 53m

Deal found 28/8£553

Tue 12/106:05 -

1 stop20h 35m

Tue 19/106:30 -

2 stops18h 13m

Deal found 26/8£653

Wed 7/1015:30 -

2 stops21h 35m

Sun 1/1106:00 -

1 stop19h 00m

Deal found 28/8£662

Wed 7/1012:20 -

1 stop19h 15m

Wed 14/1006:30 -

2 stops18h 15m

Deal found 24/8£669

Tue 2/213:39 -

2 stops19h 26m

Tue 9/209:15 -

2 stops21h 57m

Deal found 26/8£684

Tue 22/912:17 -

1 stop16h 03m

Tue 29/911:40 -

1 stop14h 00m

Deal found 25/8£691

Sat 16/107:00 -

3 stops23h 35m

Fri 29/106:40 -

2 stops23h 46m

Deal found 28/8£779

Tue 22/915:00 -

2 stops15h 40m

Tue 6/1015:40 -

1 stop34h 15m

Deal found 27/8£803

Thu 29/1014:51 -

2 stops20h 49m

Tue 3/1109:50 -

2 stops18h 42m

Deal found 28/8£821

Thu 21/113:39 -

2 stops36h 16m

Mon 25/110:55 -

2 stops43h 48m

Deal found 28/8£1,024

Sun 6/1206:10 -

1 stop18h 15m

Tue 8/1206:35 -

2 stops19h 41m

Deal found 25/8£604

Wed 11/1112:25 -

1 stop14h 15m

Wed 18/1111:45 -

2 stops44h 10m

Deal found 26/8£669

Thu 26/1114:45 -

1 stop14h 15m

Wed 2/1208:00 -

1 stop17h 00m

Deal found 27/8£671

Fri 13/1106:20 -

1 stop20h 20m

Wed 18/1120:25 -

2 stops30h 21m

Deal found 26/8£728

Tue 2/208:46 -

2 stops18h 04m

Tue 9/206:35 -

2 stops19h 03m

Deal found 26/8£663

Mon 28/915:23 -

2 stops18h 07m

Wed 14/1009:15 -

2 stops17h 56m

Deal found 25/8£729

Mon 5/1015:21 -

2 stops19h 09m

Wed 14/1020:15 -

1 stop22h 55m

Deal found 25/8£729

Tue 29/915:28 -

1 stop12h 52m

Wed 7/1006:30 -

2 stops17h 44m

Deal found 25/8£669

Mon 28/910:10 -

3 stops27h 25m

Wed 14/1018:10 -

3 stops28h 36m

Deal found 25/8£682

Thu 21/110:00 -

3 stops23h 40m

Mon 25/106:40 -

2 stops22h 47m

Deal found 28/8£779

Tue 6/1013:44 -

2 stops18h 56m

Tue 27/1017:50 -

1 stop25h 30m

Deal found 24/8£730

Mon 9/1105:00 -

1 stop20h 40m

Tue 17/1106:35 -

2 stops19h 44m

Deal found 28/8£669

Tue 20/1007:02 -

2 stops17h 38m

Wed 4/1119:05 -

2 stops33h 57m

Deal found 25/8£736

Tue 13/1005:15 -

2 stops17h 55m

Tue 20/1009:55 -

2 stops21h 23m

Deal found 28/8£672

Mon 9/1114:45 -

2 stops19h 15m

Mon 16/1108:00 -

1 stop17h 00m

Deal found 28/8£687

Tue 6/1014:44 -

2 stops20h 11m

Wed 14/1009:15 -

2 stops19h 20m

Deal found 24/8£853

Mon 1/213:00 -

3 stops24h 35m

Wed 10/207:05 -

3 stops23h 21m

Deal found 25/8£782

Mon 9/1106:00 -

2 stops19h 30m

Mon 16/1118:55 -

2 stops30h 15m

Deal found 28/8£734

Tue 13/1013:01 -

1 stop12h 39m

Tue 20/1006:55 -

2 stops19h 13m

Deal found 28/8£669

Tue 22/910:34 -

2 stops19h 31m

Tue 29/911:45 -

2 stops17h 49m

Deal found 25/8£673

Find flight deals from Oregon to London

Round-trip from	£553
One-way from	£181
Popular in	July
Cheapest in	November
Average price	£778

United Airlines
7/12-9/12
3 total stops
35h 24m total
Oregon to London

Search Deals

15/10
2 total stops
25h 00m total
Oregon to London

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£121 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 August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MedfordLondon

MFR Medford - LHR London Heathrow

MFRLHR

Medford

Mon 7/12

05:10-09:40

1 stop20h 30m

London Heathrow

Wed 9/12

09:00-19:53

2 stops18h 53m

£553

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Sun 6/12

06:10-07:25

1 stop18h 15m

London Heathrow

Tue 8/12

06:35-19:16

2 stops19h 41m

£604

MedfordLondon

MFR Medford - LHR London Heathrow

MFRLHR

Medford

Tue 12/1

06:05-10:40

1 stop20h 35m

London Heathrow

Tue 19/1

06:30-16:43

2 stops18h 13m

£653

PortlandLondon

PDX Portland - LTN London Luton

PDXLTN

Portland

Wed 7/10

15:30-21:05

2 stops21h 35m

London Luton

Sun 1/11

06:00-18:00

1 stop19h 00m

£662

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Tue 2/2

08:46-10:50

2 stops18h 04m

London Heathrow

Tue 9/2

06:35-17:38

2 stops19h 03m

£663

MedfordLondon

MFR Medford - LHR London Heathrow

MFRLHR

Medford

Wed 7/10

12:20-15:35

1 stop19h 15m

London Heathrow

Wed 14/10

06:30-16:45

2 stops18h 15m

£669

MedfordLondon

MFR Medford - LHR London Heathrow

MFRLHR

Medford

Wed 11/11

12:25-10:40

1 stop14h 15m

London Heathrow

Wed 18/11

11:45-23:55

2 stops44h 10m

£669

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Tue 29/9

15:28-11:20

1 stop12h 52m

London Heathrow

Wed 7/10

06:30-17:14

2 stops17h 44m

£669

RedmondLondon

RDM Bend/Redmond - LHR London Heathrow

RDMLHR

Bend/Redmond

Mon 9/11

05:00-09:40

1 stop20h 40m

London Heathrow

Tue 17/11

06:35-18:19

2 stops19h 44m

£669

MedfordLondon

MFR Medford - LHR London Heathrow

MFRLHR

Medford

Tue 13/10

13:01-09:40

1 stop12h 39m

London Heathrow

Tue 20/10

06:55-18:08

2 stops19h 13m

£669

Flights are sorted by cheapest return flights first.

Deals found on 25/8

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.

MFR-LHR

PDX-LTN

PDX-LCY

BOI-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

MFR-LHR

PDX-LTN

PDX-LCY

BOI-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 £529). Flying from Oregon to London in July is currently the most expensive (average of £930). 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 Tuesday (7 on average). You will have fewer flight options on Monday, 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 typical for this route at the moment.

Oregon to London flights typically cost between £604 and £774 in September.
The cheapest return price found within the last 5 days was £658 on Icelandair (28 Sept–12 Oct).

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 £669, United Airlines can have you in London from Oregon in 19h 15m. Airlines will cover a distance of 5089 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 (82%), Alaska Airlines (82%), Aer Lingus( 82%).
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 £529). Flying from Oregon to London in July is currently the most expensive (average of £930). 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£437	Average£813	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 £181

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 15/10. 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 29 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 29 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 29 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 29 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 29 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 29 August 2026.

Last-minute flights from Oregon to LondonDiscover last-minute flight deals from Oregon to London. Data last updated 29 August 2026 and is based on user searches.

Discover last-minute flight deals from Oregon to London. Data last updated 29 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 29 August 2026.

Search for one-way flight options from Oregon to London. Find affordable one-way fares based on user searches. Data last updated 29 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 29 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 29 August 2026.

The most flights from USOR to LON are scheduled on a Tuesday (7 on average). You will have fewer flight options on Monday, 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 typical for this route at the moment.

Oregon to London flights typically cost between £604 and £774 in September.The cheapest return price found within the last 5 days was £658 on Icelandair (28 Sept–12 Oct).

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

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 29 August 2026.

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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 29 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 29 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 29 August 2026.

Last-minute flights from Oregon to London
Discover last-minute flight deals from Oregon to London. Data last updated 29 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 29 August 2026.

Oregon to London flights typically cost between £604 and £774 in September.
The cheapest return price found within the last 5 days was £658 on Icelandair (28 Sept–12 Oct).