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Cheap flights from Oregon to London from $258

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 4/7. 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 round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:30 pm - 8:20 pm
PDX
-
LHR
20h 50m
1 stop
Icelandair Logo
9:25 pm - 6:00 pm
LHR
-
PDX
28h 35m
1 stop
$602Icelandair
Tue, Mar 31 - Tue, Apr 7
Icelandair Logo
3:30 pm - 8:20 pm
PDX
-
LHR
20h 50m
1 stop
Icelandair Logo
1:05 pm - 6:00 pm
LHR
-
PDX
12h 55m
1 stop
$603Icelandair
Sat, Apr 25 - Fri, May 8
Lufthansa Logo
3:15 pm - 1:20 pm
PDX
-
LHR
14h 05m
1 stop
Lufthansa Logo
10:50 am - 12:33 am
LHR
-
PDX
21h 43m
2 stops
$614Lufthansa
Tue, Apr 28 - Tue, May 5
Multiple Airlines Logo
3:15 pm - 11:50 am
PDX
-
LHR
36h 35m
2 stops
Multiple Airlines Logo
8:05 pm - 7:05 pm
LHR
-
PDX
31h 00m
2 stops
$623Multiple Airlines
Sun, Apr 26 - Wed, May 6
Lufthansa Logo
9:50 am - 11:50 am
PDX
-
LHR
18h 00m
1 stop
Lufthansa Logo
11:30 am - 6:55 pm
LHR
-
PDX
39h 25m
2 stops
$624Lufthansa
Mon, Feb 23 - Mon, Mar 2
Scandinavian Airlines Logo
11:30 am - 11:55 am
MFR
-
LHR
16h 25m
1 stop
Scandinavian Airlines Logo
6:30 am - 10:49 pm
LHR
-
MFR
23h 19m
2 stops
$633Scandinavian Airlines
Thu, Mar 5 - Thu, Mar 12
United Airlines Logo
6:25 am - 9:40 am
BOI
-
LHR
20h 15m
1 stop
United Airlines Logo
6:50 am - 10:56 pm
LHR
-
BOI
22h 06m
2 stops
$633United Airlines
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
3:30 pm - 10:45 pm
PDX
-
STN
23h 15m
2 stops
Multiple Airlines Logo
10:45 pm - 9:10 am
STN
-
PDX
42h 25m
3 stops
$647Multiple Airlines
Thu, Apr 2 - Mon, Apr 13
United Airlines Logo
5:29 pm - 12:20 pm
BOI
-
LHR
11h 51m
1 stop
United Airlines Logo
6:55 am - 6:05 pm
LHR
-
BOI
18h 10m
2 stops
$649United Airlines
Wed, Apr 15 - Wed, Apr 22
Scandinavian Airlines Logo
6:55 am - 10:30 am
MFR
-
LHR
19h 35m
1 stop
Scandinavian Airlines Logo
10:45 am - 11:47 pm
LHR
-
MFR
20h 02m
1 stop
$661Scandinavian Airlines
Thu, Mar 5 - Thu, Mar 12

Icelandair flights from Oregon to London

Our best Icelandair deals on Oregon to London flight tickets
Icelandair
Mar 31
PDX3:30 pmPortland
20h 50m
1 stop
LHR8:20 pmLondon Heathrow
Apr 7
LHR9:25 pmLondon Heathrow
28h 35m
1 stop
PDX6:00 pmPortland
$602
Icelandair
Apr 25
PDX3:30 pmPortland
20h 50m
1 stop
LHR8:20 pmLondon Heathrow
May 8
LHR1:05 pmLondon Heathrow
12h 55m
1 stop
PDX6:00 pmPortland
$603
Icelandair
Apr 27
PDX3:30 pmPortland
12h 25m
1 stop
LHR11:55 amLondon Heathrow
May 8
LHR1:05 pmLondon Heathrow
12h 55m
1 stop
PDX6:00 pmPortland
$606

Lufthansa flights from Oregon to London

Our best Lufthansa deals on Oregon to London flight tickets
Lufthansa
Apr 28
PDX3:15 pmPortland
14h 05m
1 stop
LHR1:20 pmLondon Heathrow
May 5
LHR10:50 amLondon Heathrow
21h 43m
2 stops
PDX12:33 amPortland
$614
Lufthansa
Feb 23
PDX9:50 amPortland
18h 00m
1 stop
LHR11:50 amLondon Heathrow
Mar 2
LHR11:30 amLondon Heathrow
39h 25m
2 stops
PDX6:55 pmPortland
$624
Lufthansa
Mar 2
PDX9:50 amPortland
18h 00m
1 stop
LHR11:50 amLondon Heathrow
Mar 18
LHR6:35 amLondon Heathrow
21h 35m
2 stops
PDX9:10 pmPortland
$625

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated February 6, 2026.
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 - LHR

PDXLHR

Portland

Tue 3/31

3:30 pm-8:20 pm

1 stop20h 50m

London Heathrow

Tue 4/7

9:25 pm-6:00 pm

1 stop28h 35m

$602

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sat 4/25

3:30 pm-8:20 pm

1 stop20h 50m

London Heathrow

Fri 5/8

1:05 pm-6:00 pm

1 stop12h 55m

$603

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 4/28

3:15 pm-1:20 pm

1 stop14h 05m

London Heathrow

Tue 5/5

10:50 am-12:33 am

2 stops21h 43m

$614

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 4/26

3:15 pm-11:50 am

2 stops36h 35m

London Heathrow

Wed 5/6

8:05 pm-7:05 pm

2 stops31h 00m

$623

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 2/23

9:50 am-11:50 am

1 stop18h 00m

London Heathrow

Mon 3/2

11:30 am-6:55 pm

2 stops39h 25m

$624

MedfordLondon

MFR - LHR

MFRLHR

Medford

Thu 3/5

11:30 am-11:55 am

1 stop16h 25m

London Heathrow

Thu 3/12

6:30 am-10:49 pm

2 stops23h 19m

$633

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 3/4

6:25 am-9:40 am

1 stop20h 15m

London Heathrow

Wed 3/11

6:50 am-10:56 pm

2 stops22h 06m

$633

PortlandLondon

PDX - STN

PDXSTN

Portland

Thu 4/2

3:30 pm-10:45 pm

2 stops23h 15m

London Stansted

Mon 4/13

10:45 pm-9:10 am

3 stops42h 25m

$647

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 4/15

5:29 pm-12:20 pm

1 stop11h 51m

London Heathrow

Wed 4/22

6:55 am-6:05 pm

2 stops18h 10m

$649

MedfordLondon

MFR - LHR

MFRLHR

Medford

Thu 3/5

6:55 am-10:30 am

1 stop19h 35m

London Heathrow

Thu 3/12

10:45 am-11:47 pm

1 stop20h 02m

$661

Flights are sorted by cheapest round-trip 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 $647, 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 $659.

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

The cheapest day to depart from Oregon to London is on a Sunday. Travelers who choose to depart for London on a Sunday will often find tickets for as low as $837. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $977. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Oregon in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $720 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $907. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $836 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Oregon for as low as $748 on momondo.

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

There are 4 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 10% 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

$370

Fastest flight time

9h 30m

Direct flights

Every day

Airports in London

6 airports
The best one-way flight to London from Oregon in the past 72 hours is $370. The best round-trip flight deal from Oregon to London found on momondo in the last 72 hours is $658.
The fastest flight from Oregon to London takes 9h 30m
Direct flights go from Oregon to London every day.
There are 6 airports in London. From Oregon there are direct flights to London Heathrow (LHR).
Search flight deals

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

    Prices for flights from Oregon to London are updated 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • 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
IcelandairPriceFrom $486Free CancellationRating
7.1
606 reviews
Search Icelandair flights
DeltaPriceFrom $551Free CancellationRating
7.9
8,158 reviews
Search Delta flights
Virgin AtlanticPriceFrom $558Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
KLMPriceFrom $561Free CancellationRating
7.7
1,450 reviews
Search KLM flights
IberiaPriceFrom $574Free CancellationRating
7.0
3,104 reviews
Search Iberia flights
British AirwaysPriceFrom $580Free CancellationRating
6.7
7,719 reviews
Search British Airways flights
Alaska AirlinesPriceFrom $582Free CancellationRating
8.0
11,846 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $607Free CancellationRating
7.4
9,244 reviews
Search United Airlines flights
American AirlinesPriceFrom $628Free CancellationRating
7.2
11,244 reviews
Search American Airlines flights
FinnairPriceFrom $641Free CancellationRating
7.6
1,357 reviews
Search Finnair flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Crawley
Wembley
Dartford
Hayes
Croydon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Richmond

Why use momondo?

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

It is quick and easy to find Oregon to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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?

Of course. momondo tracks the price of Oregon to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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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
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport