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Cheap flights from Oregon to London from £163

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 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
15:30 - 11:55
PDX
-
LHR
12h 25m
1 stop
Icelandair Logo
21:25 - 18:00
LHR
-
PDX
28h 35m
1 stop
£442Icelandair
Tue, 7 Apr - Sat, 11 Apr
Icelandair Logo
15:30 - 11:55
PDX
-
LHR
12h 25m
1 stop
Icelandair Logo
13:05 - 18:00
LHR
-
PDX
12h 55m
1 stop
£443Icelandair
Tue, 7 Apr - Wed, 15 Apr
Lufthansa Logo
13:58 - 22:40
EUG
-
LHR
24h 42m
2 stops
Lufthansa Logo
07:25 - 22:59
LHR
-
EUG
23h 34m
2 stops
£458Lufthansa
Wed, 6 May - Wed, 20 May
Lufthansa Logo
13:17 - 20:50
EUG
-
LHR
24h 33m
2 stops
Lufthansa Logo
09:30 - 21:07
LHR
-
EUG
18h 37m
2 stops
£463Lufthansa
Tue, 10 Mar - Tue, 17 Mar
United Airlines Logo
13:17 - 09:40
EUG
-
LHR
13h 23m
1 stop
United Airlines Logo
06:35 - 23:08
LHR
-
EUG
23h 33m
2 stops
£463United Airlines
Tue, 17 Mar - Tue, 24 Mar
United Airlines Logo
10:49 - 07:25
BOI
-
LHR
14h 36m
1 stop
United Airlines Logo
06:50 - 22:56
LHR
-
BOI
22h 06m
2 stops
£463United Airlines
Wed, 11 Mar - Mon, 16 Mar
KLM Logo
11:14 - 15:35
MFR
-
LHR
20h 21m
1 stop
KLM Logo
06:30 - 16:33
LHR
-
MFR
18h 03m
2 stops
£475KLM
Wed, 15 Apr - Wed, 13 May
KLM Logo
11:35 - 15:35
RDM
-
LHR
20h 00m
1 stop
KLM Logo
06:30 - 17:01
LHR
-
RDM
18h 31m
2 stops
£475KLM
Wed, 22 Apr - Wed, 6 May
Delta Logo
06:08 - 13:05
EUG
-
LHR
22h 57m
2 stops
Delta Logo
08:40 - 23:50
LHR
-
EUG
23h 10m
2 stops
£478Delta
Wed, 1 Apr - Wed, 8 Apr
Delta Logo
11:14 - 13:05
MFR
-
LHR
17h 51m
2 stops
Delta Logo
06:30 - 16:33
LHR
-
MFR
18h 03m
2 stops
£478Delta
Wed, 15 Apr - Wed, 13 May

KLM flights from Oregon to London Heathrow Airport

Our best KLM deals on Oregon to London Heathrow Airport flight tickets
KLM
15 Apr
MFR11:14Medford
20h 21m
1 stop
LHR15:35London Heathrow
13 May
LHR06:30London Heathrow
18h 03m
2 stops
MFR16:33Medford
£475
KLM
28 Apr
EUG11:09Eugene
20h 26m
1 stop
LHR15:35London Heathrow
13 May
LHR06:30London Heathrow
18h 33m
2 stops
EUG17:03Eugene
£476
KLM
10 Feb
PDX10:00Portland
16h 00m
1 stop
LHR10:00London Heathrow
25 Feb
LHR06:30London Heathrow
12h 55m
1 stop
PDX11:25Portland
£551

Delta flights from Oregon to London Heathrow Airport

Our best Delta deals on Oregon to London Heathrow Airport flight tickets
Delta
15 Apr
MFR11:14Medford
17h 51m
2 stops
LHR13:05London Heathrow
13 May
LHR06:30London Heathrow
18h 03m
2 stops
MFR16:33Medford
£478
Delta
28 Apr
EUG17:44Eugene
18h 26m
2 stops
LHR20:10London Heathrow
12 May
LHR06:30London Heathrow
18h 33m
2 stops
EUG17:03Eugene
£479
Delta
22 Feb
PDX06:00Portland
17h 05m
1 stop
LHR07:05London Heathrow
5 Mar
LHR10:00London Heathrow
33h 25m
1 stop
PDX11:25Portland
£559

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 10 February 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

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 7/4

15:30-11:55

1 stop12h 25m

London Heathrow

Sat 11/4

21:25-18:00

1 stop28h 35m

£442

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 7/4

15:30-11:55

1 stop12h 25m

London Heathrow

Wed 15/4

13:05-18:00

1 stop12h 55m

£443

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Wed 6/5

13:58-22:40

2 stops24h 42m

London Heathrow

Wed 20/5

07:25-22:59

2 stops23h 34m

£458

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Tue 10/3

13:17-20:50

2 stops24h 33m

London Heathrow

Tue 17/3

09:30-21:07

2 stops18h 37m

£463

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Tue 17/3

13:17-09:40

1 stop13h 23m

London Heathrow

Tue 24/3

06:35-23:08

2 stops23h 33m

£463

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 11/3

10:49-07:25

1 stop14h 36m

London Heathrow

Mon 16/3

06:50-22:56

2 stops22h 06m

£463

MedfordLondon

MFR - LHR

MFRLHR

Medford

Wed 15/4

11:14-15:35

1 stop20h 21m

London Heathrow

Wed 13/5

06:30-16:33

2 stops18h 03m

£475

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Wed 22/4

11:35-15:35

1 stop20h 00m

London Heathrow

Wed 6/5

06:30-17:01

2 stops18h 31m

£475

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Wed 1/4

06:08-13:05

2 stops22h 57m

London Heathrow

Wed 8/4

08:40-23:50

2 stops23h 10m

£478

MedfordLondon

MFR - LHR

MFRLHR

Medford

Wed 15/4

11:14-13:05

2 stops17h 51m

London Heathrow

Wed 13/5

06:30-16:33

2 stops18h 03m

£478

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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, October 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 £485. The month of April is another great option to travel to London Heathrow Airport, with average flight prices from Oregon averaging around £495.

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 Sunday. momondo users have found tickets for Sunday departures for as low as £458. 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 £568.

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 evening. momondo users have found flights departing from Oregon to London Heathrow Airport in the evening for as low as £519. 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 afternoon when prices are £522 on average. Flights to London Heathrow Airport from Oregon in the afternoon 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 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 £605 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 £529 on momondo.

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

There are 3 cabin classes available to choose from on Oregon to London Heathrow 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 Heathrow Airport flights?

You could potentially save up to 14% 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

£3,121

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 £3,121. The best return flight deal from Oregon to London Heathrow Airport found on momondo in the last 72 hours is £1,339.
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

  • 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
British AirwaysPriceFrom £377Free CancellationRating
6.7
7,724 reviews
Search British Airways flights
IcelandairPriceFrom £432Free CancellationRating
7.1
609 reviews
Search Icelandair flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Slough
Maidstone
Northampton
Stratford-upon-Avon
Swindon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Poole
Chelmsford
Hayes
Wembley
Dover
Folkestone

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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