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Cheap flights from Oregon to London from £235

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 5/10. 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

Enter your travel dates to find the best prices.
United Airlines Logo
10:55 - 10:00
EUG
-
LHR
39h 05m
2 stops
United Airlines Logo
06:55 - 20:30
LHR
-
EUG
21h 35m
2 stops
£598United Airlines
Sat, 17 Oct - Tue, 20 Oct
United Airlines Logo
15:59 - 11:10
EUG
-
LHR
35h 11m
1 stop
United Airlines Logo
08:45 - 20:30
LHR
-
EUG
19h 45m
2 stops
£602United Airlines
Sat, 17 Oct - Tue, 20 Oct
Multiple Airlines Logo
10:10 - 21:20
PDX
-
LHR
27h 10m
3 stops
Multiple Airlines Logo
21:05 - 19:10
LHR
-
PDX
30h 05m
3 stops
£616Multiple Airlines
Tue, 2 Jun - Wed, 10 Jun
Multiple Airlines Logo
15:30 - 21:35
PDX
-
LHR
22h 05m
2 stops
Multiple Airlines Logo
07:05 - 17:55
LHR
-
PDX
18h 50m
2 stops
£621Multiple Airlines
Tue, 2 Jun - Wed, 10 Jun
Scandinavian Airlines Logo
07:00 - 09:35
PDX
-
LHR
18h 35m
2 stops
Scandinavian Airlines Logo
19:30 - 16:33
LHR
-
PDX
29h 03m
2 stops
£631Scandinavian Airlines
Mon, 21 Sep - Mon, 28 Sep
Scandinavian Airlines Logo
13:38 - 16:00
PDX
-
LHR
18h 22m
2 stops
Scandinavian Airlines Logo
06:40 - 16:33
LHR
-
PDX
17h 53m
2 stops
£632Scandinavian Airlines
Tue, 15 Sep - Tue, 29 Sep
British Airways Logo
19:30 - 13:00
PDX
-
LHR
9h 30mdirect
British Airways Logo
15:40 - 17:40
LHR
-
PDX
10h 00mdirect
£634British Airways
Wed, 19 Aug - Wed, 2 Sep
Scandinavian Airlines Logo
07:00 - 18:30
PDX
-
LHR
27h 30m
2 stops
Scandinavian Airlines Logo
07:05 - 21:27
LHR
-
PDX
22h 22m
2 stops
£636Scandinavian Airlines
Mon, 28 Sep - Mon, 12 Oct
Scandinavian Airlines Logo
07:00 - 09:35
PDX
-
LHR
18h 35m
2 stops
Scandinavian Airlines Logo
19:50 - 16:33
LHR
-
PDX
28h 43m
3 stops
£639Scandinavian Airlines
Mon, 21 Sep - Mon, 28 Sep
Lufthansa Logo
12:38 - 15:40
BOI
-
LHR
20h 02m
2 stops
Lufthansa Logo
06:55 - 17:53
LHR
-
BOI
17h 58m
2 stops
£641Lufthansa
Mon, 10 Aug - Thu, 20 Aug

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Lufthansa flights from Oregon to London Heathrow Airport

Our best Lufthansa deals on Oregon to London Heathrow Airport flight tickets
Lufthansa
10 Aug
BOI12:38Boise Air Term. Gowen Fld
20h 02m
2 stops
LHR15:40London Heathrow
20 Aug
LHR06:55London Heathrow
17h 58m
2 stops
BOI17:53Boise Air Term. Gowen Fld
£641
Lufthansa
10 Aug
BOI12:38Boise Air Term. Gowen Fld
20h 02m
2 stops
LHR15:40London Heathrow
20 Aug
LHR06:55London Heathrow
17h 58m
2 stops
BOI17:53Boise Air Term. Gowen Fld
£683
Lufthansa
10 Aug
BOI12:38Boise Air Term. Gowen Fld
20h 02m
2 stops
LHR15:40London Heathrow
20 Aug
LHR06:55London Heathrow
17h 58m
2 stops
BOI17:53Boise Air Term. Gowen Fld
£684

Finnair flights from Oregon to London Heathrow Airport

Our best Finnair deals on Oregon to London Heathrow Airport flight tickets
Finnair
19 Oct
PDX19:30Portland
9h 30m
LHR13:00London Heathrow
30 Oct
LHR11:55London Heathrow
17h 02m
1 stop
PDX21:57Portland
£657
Finnair
15 Sept
BOI06:44Boise Air Term. Gowen Fld
19h 21m
1 stop
LHR09:05London Heathrow
28 Sept
LHR08:55London Heathrow
20h 22m
1 stop
BOI22:17Boise Air Term. Gowen Fld
£704

momondo Fare Finder

 
Customise your flight search to find flights from Oregon to London Heathrow Airport 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 2 May 2026.
Use the filters below to find and compare flights from Oregon to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Sat 17/10

10:55-10:00

2 stops39h 05m

London Heathrow

Tue 20/10

06:55-20:30

2 stops21h 35m

£598

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Sat 17/10

15:59-11:10

1 stop35h 11m

London Heathrow

Tue 20/10

08:45-20:30

2 stops19h 45m

£602

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 2/6

10:10-21:20

3 stops27h 10m

London Heathrow

Wed 10/6

21:05-19:10

3 stops30h 05m

£616

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 2/6

15:30-21:35

2 stops22h 05m

London Heathrow

Wed 10/6

07:05-17:55

2 stops18h 50m

£621

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 21/9

07:00-09:35

2 stops18h 35m

London Heathrow

Mon 28/9

19:30-16:33

2 stops29h 03m

£631

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 15/9

13:38-16:00

2 stops18h 22m

London Heathrow

Tue 29/9

06:40-16:33

2 stops17h 53m

£632
Fastest return journey

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 19/8

19:30-13:00

Nonstop9h 30m

London Heathrow

Wed 2/9

15:40-17:40

Nonstop10h 00m

£634

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 28/9

07:00-18:30

2 stops27h 30m

London Heathrow

Mon 12/10

07:05-21:27

2 stops22h 22m

£636

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 21/9

07:00-09:35

2 stops18h 35m

London Heathrow

Mon 28/9

19:50-16:33

3 stops28h 43m

£639

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 10/8

12:38-15:40

2 stops20h 02m

London Heathrow

Thu 20/8

06:55-17:53

2 stops17h 58m

£641

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Oregon to London Heathrow Airport

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 Heathrow Airport?

In general, June is the cheapest month to fly from Oregon to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £160. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Oregon averaging around £342.

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

On average, the least expensive day to fly to London Heathrow Airport from Oregon is on a Friday. momondo users have found tickets for Friday departures for as low as £495. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Thursday is £975.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Oregon to London Heathrow Airport in the afternoon for as low as £617. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £730 on average. Flights to London Heathrow Airport from Oregon in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Oregon to London Heathrow flight route?

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

How far in advance should I book a flight from Oregon to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £637 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Oregon for as low as £554 on momondo.

Can stopping save me money on Oregon to London Heathrow Airport flights?

You could potentially save up to 53% on your flight if you consider stops on a Oregon to London Heathrow Airport flight.

Cheap Oregon to London Heathrow Airport flight deals and tips

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

Best price found

£536

Fastest flight time

9h 30m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Oregon in the past 72 hours is £536. The best return flight deal from Oregon to London Heathrow Airport found on momondo in the last 72 hours is £841.
The fastest flight from Oregon to London Heathrow Airport takes 9h 30m
Direct flights go from Oregon to London Heathrow Airport every day.
Search flight deals

Frequently asked questions about flying from Oregon to London Heathrow Airport

  • When did momondo last update prices for flights from Oregon to London Heathrow Airport?

    Prices for flights from Oregon to London Heathrow Airport refresh daily.

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

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

    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 Heathrow Airport.

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

    The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?

Best airlines flying from Oregon to London Heathrow Airport

Compare and see reviews for airlines that fly from Oregon to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £434Free CancellationRating
7.0
646 reviews
Search Icelandair flights
British AirwaysPriceFrom £435Free CancellationRating
6.7
7,936 reviews
Search British Airways flights

Travelling to a place near London?

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Dover

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Oregon to London for you.

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

All flight searches from Oregon to London on momondo can be filtered to show those which offer 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 not ready to book a flight from Oregon to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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