Cheap flights from Oregon to London from £174

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to London departing on 25/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Oregon to London

Cheap return flights

 Logo
06:15 - 12:00PDX-STN
21h 45m3 stops
 Logo
21:45 - 18:46STN-PDX
29h 01m3 stops
Tue, 23 Sep - Tue, 30 Sep
Icelandair Logo
14:45 - 10:55PDX-LGW
12h 10m1 stop
Icelandair Logo
11:55 - 17:00LGW-PDX
13h 05m1 stop
£364Icelandair
Find Deal
Tue, 4 Nov - Wed, 12 Nov
Air Canada Logo
09:55 - 09:35PDX-LHR
15h 40m2 stops
Air Canada Logo
14:10 - 14:46LHR-PDX
32h 36m1 stop
£376Air Canada
Find Deal
Sun, 5 Oct - Tue, 21 Oct
Virgin Atlantic Logo
15:35 - 11:20PDX-LHR
11h 45m1 stop
Virgin Atlantic Logo
20:55 - 11:20LHR-PDX
22h 25m1 stop
£377Virgin Atlantic
Find Deal
Sun, 5 Oct - Tue, 21 Oct
United Airlines Logo
05:30 - 07:25PDX-LHR
17h 55m1 stop
United Airlines Logo
14:10 - 18:46LHR-PDX
12h 36m1 stop
£379United Airlines
Find Deal
Sun, 5 Oct - Tue, 21 Oct
Air Canada Logo
19:40 - 11:50PDX-LHR
32h 10m2 stops
Air Canada Logo
14:10 - 18:46LHR-PDX
12h 36m1 stop
£382Air Canada
Find Deal
Sun, 5 Oct - Tue, 21 Oct
United Airlines Logo
07:30 - 07:25PDX-LHR
15h 55m1 stop
United Airlines Logo
11:05 - 22:45LHR-PDX
19h 40m2 stops
£384United Airlines
Find Deal
Sun, 5 Oct - Tue, 21 Oct
American Airlines Logo
19:25 - 13:00PDX-LHR
9h 35mdirect
American Airlines Logo
08:50 - 19:43LHR-PDX
18h 53m2 stops
£386American Airlines
Find Deal
Sun, 5 Oct - Tue, 21 Oct
Virgin Atlantic Logo
12:55 - 07:15PDX-LCY
34h 20m1 stop
Virgin Atlantic Logo
20:10 - 11:20LCY-PDX
23h 10m1 stop
£417Virgin Atlantic
Find Deal
Sun, 5 Oct - Tue, 21 Oct
American Airlines Logo
06:59 - 08:10BOI-LGW
18h 11m2 stops
American Airlines Logo
14:30 - 12:48LGW-BOI
29h 18m2 stops
£439American Airlines
Find Deal
Mon, 22 Sep - Fri, 3 Oct

Air Canada flights from Oregon to London

Our best Air Canada deals on Oregon to London flight tickets
Air Canada
5 Oct
PDX09:55Portland
15h 40m
2 stops
LHR09:35London Heathrow
21 Oct
LHR14:10London Heathrow
32h 36m
1 stop
PDX14:46Portland
Air Canada
5 Oct
PDX19:40Portland
32h 10m
2 stops
LHR11:50London Heathrow
21 Oct
LHR14:10London Heathrow
12h 36m
1 stop
PDX18:46Portland
Air Canada
13 Jan
PDX15:15Portland
12h 35m
1 stop
LHR11:50London Heathrow
20 Jan
LHR14:30London Heathrow
26h 45m
1 stop
PDX09:15Portland

United Airlines flights from Oregon to London

Our best United Airlines deals on Oregon to London flight tickets
United Airlines
5 Oct
PDX05:30Portland
17h 55m
1 stop
LHR07:25London Heathrow
21 Oct
LHR14:10London Heathrow
12h 36m
1 stop
PDX18:46Portland
United Airlines
5 Oct
PDX07:30Portland
15h 55m
1 stop
LHR07:25London Heathrow
21 Oct
LHR11:05London Heathrow
19h 40m
2 stops
PDX22:45Portland
United Airlines
5 Oct
PDX05:30Portland
24h 40m
1 stop
LHR14:10London Heathrow
21 Oct
LHR14:10London Heathrow
32h 36m
1 stop
PDX14:46Portland

momondo Fare Finder

 
Customise your flight search to find flights from Oregon to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 13 August 2025.
Use the filters below to find and compare flights from Oregon to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandLondon

PDX - STN

PDXSTN

Portland

Tue 23/9

06:15-12:00

3 stops21h 45m

London Stansted

Tue 30/9

21:45-18:46

3 stops29h 01m

£354

PortlandLondon

PDX - LGW

PDXLGW

Portland

Tue 4/11

14:45-10:55

1 stop12h 10m

London Gatwick

Wed 12/11

11:55-17:00

1 stop13h 05m

£364

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 5/10

09:55-09:35

2 stops15h 40m

London Heathrow

Tue 21/10

14:10-14:46

1 stop32h 36m

£376

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 5/10

15:35-11:20

1 stop11h 45m

London Heathrow

Tue 21/10

20:55-11:20

1 stop22h 25m

£377

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 5/10

05:30-07:25

1 stop17h 55m

London Heathrow

Tue 21/10

14:10-18:46

1 stop12h 36m

£379

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 5/10

19:40-11:50

2 stops32h 10m

London Heathrow

Tue 21/10

14:10-18:46

1 stop12h 36m

£382

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 5/10

07:30-07:25

1 stop15h 55m

London Heathrow

Tue 21/10

11:05-22:45

2 stops19h 40m

£384

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 5/10

19:25-13:00

Nonstop9h 35m

London Heathrow

Tue 21/10

08:50-19:43

2 stops18h 53m

£386

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 5/10

12:55-07:15

1 stop34h 20m

London City

Tue 21/10

20:10-11:20

1 stop23h 10m

£417

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Mon 22/9

06:59-08:10

2 stops18h 11m

London Gatwick

Fri 3/10

14:30-12:48

2 stops29h 18m

£439

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Oregon to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London?

The cheapest month to fly to London from Oregon is in October. Flight prices, which tend to average around £495, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Oregon averaging around £502.

What is the cheapest day to depart on your flight to London?

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £457. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Oregon to London for around £660.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £518. Flights at midday are often more expensive, with an average ticket price of £688.

What is the cheapest Oregon to London flight route?

Fly from Portland to London Heathrow for the best Oregon - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £623 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Oregon for as low as £566 on momondo.

What cabin class options are available on Oregon to London flights?

There are 3 cabin classes available to choose from on Oregon to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Oregon to London flights?

You could potentially save up to 40% on your flight if you consider stops on a Oregon to London flight.

Cheap Oregon to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to London

Best price found

£174

Fastest flight time

9h 35m

Direct flights

Every day

Airports in London

5 airports
The best one-way flight to London from Oregon in the past 72 hours is £174. The best return flight deal from Oregon to London found on momondo in the last 72 hours is £354.
The fastest flight from Oregon to London takes 9h 35m
Direct flights go from Oregon to London every day.
There are 5 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW)
  • When did momondo last update prices for flights from Oregon to London?

    Prices for flights from Oregon to London refresh daily.

  • How many operators does momondo search for flights from Oregon to London?

  • How old do you have to be to fly from Oregon to London?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Oregon to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Oregon to London?

Best airlines flying from Oregon to London

Compare and see reviews for airlines that fly from Oregon to London with momondo
Airline
Rating
Free Cancellation
Price
IberiaPriceFrom £452Free CancellationRating
7.0
2,878 reviews
Search Iberia flights
British AirwaysPriceFrom £465Free CancellationRating
6.6
7,265 reviews
Search British Airways flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Maidstone
Southend-on-Sea
Canterbury
Gatwick
Ipswich
Ilford
Guildford
Colchester
Dartford
Hounslow
Worthing
Dover
Chelmsford
Hayes
Winchester
Bedford

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Oregon.

Can I find flights from Oregon to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Oregon to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Oregon to London?

Once you have performed a search for Oregon to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Oregon to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Oregon and alert you when they change.

An easier way to manage your London trip

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1 adult
Mon 18/8
Mon 25/8

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London