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Cheap flights from Washington to London from $241

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to London departing on 4/20. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:30 pm - 12:55 pm
PDX
-
LTN
13h 25m
1 stop
Multiple Airlines Logo
6:25 am - 6:00 pm
LTN
-
PDX
19h 35m
1 stop
$662Multiple Airlines
Tue, Apr 21 - Sun, Apr 26
Multiple Airlines Logo
3:30 pm - 10:10 pm
PDX
-
LTN
22h 40m
3 stops
Multiple Airlines Logo
9:15 am - 9:10 am
LTN
-
PDX
31h 55m
3 stops
$679Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
3:40 pm - 8:30 pm
SEA
-
LTN
20h 50m
3 stops
Multiple Airlines Logo
9:15 am - 9:38 am
LTN
-
SEA
32h 23m
3 stops
$707Multiple Airlines
Sun, Mar 29 - Mon, Apr 20
Multiple Airlines Logo
3:30 pm - 12:55 pm
PDX
-
LTN
13h 25m
1 stop
Multiple Airlines Logo
6:25 am - 6:00 pm
LTN
-
PDX
19h 35m
1 stop
$712Multiple Airlines
Tue, Apr 21 - Sun, Apr 26
Multiple Airlines Logo
8:00 am - 10:45 pm
SEA
-
LTN
30h 45m
3 stops
Multiple Airlines Logo
9:15 am - 10:53 pm
LTN
-
SEA
21h 38m
3 stops
$713Multiple Airlines
Thu, Apr 16 - Tue, Apr 21
Multiple Airlines Logo
3:40 pm - 10:45 pm
SEA
-
LTN
23h 05m
2 stops
Multiple Airlines Logo
9:15 am - 10:53 pm
LTN
-
SEA
21h 38m
3 stops
$719Multiple Airlines
Thu, Apr 16 - Tue, Apr 21
Multiple Airlines Logo
3:30 pm - 1:05 pm
PDX
-
LTN
13h 35m
1 stop
Multiple Airlines Logo
6:15 am - 5:55 pm
LTN
-
PDX
19h 40m
1 stop
$732Multiple Airlines
Sat, May 23 - Wed, Jun 3
Multiple Airlines Logo
3:40 pm - 12:55 pm
SEA
-
LTN
13h 15m
1 stop
Multiple Airlines Logo
6:25 am - 11:45 am
LTN
-
SEA
13h 20m
1 stop
$733Multiple Airlines
Tue, Jun 2 - Sun, Jun 14
Multiple Airlines Logo
3:30 pm - 3:45 pm
PDX
-
LTN
16h 15m
2 stops
Multiple Airlines Logo
9:00 am - 6:00 pm
LTN
-
PDX
17h 00m
2 stops
$736Multiple Airlines
Mon, Apr 13 - Sun, Apr 19
Multiple Airlines Logo
3:30 pm - 11:45 pm
PDX
-
LTN
24h 15m
3 stops
Multiple Airlines Logo
9:15 am - 9:10 am
LTN
-
PDX
31h 55m
3 stops
$737Multiple Airlines
Tue, Apr 14 - Tue, Apr 21

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to London Luton 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 832,500 searches. Data last updated March 19, 2026.
Use the filters below to find and compare flights from Washington to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLondon

PDX - LTN

PDXLTN

Portland

Tue 4/21

3:30 pm-12:55 pm

1 stop13h 25m

London Luton

Sun 4/26

6:25 am-6:00 pm

1 stop19h 35m

$662

PortlandLondon

PDX - LTN

PDXLTN

Portland

Tue 4/14

3:30 pm-10:10 pm

3 stops22h 40m

London Luton

Tue 4/21

9:15 am-9:10 am

3 stops31h 55m

$679

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sun 3/29

3:40 pm-8:30 pm

3 stops20h 50m

London Luton

Mon 4/20

9:15 am-9:38 am

3 stops32h 23m

$707

PortlandLondon

PDX - LTN

PDXLTN

Portland

Tue 4/21

3:30 pm-12:55 pm

1 stop13h 25m

London Luton

Sun 4/26

6:25 am-6:00 pm

1 stop19h 35m

$712

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 4/16

8:00 am-10:45 pm

3 stops30h 45m

London Luton

Tue 4/21

9:15 am-10:53 pm

3 stops21h 38m

$713

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 4/16

3:40 pm-10:45 pm

2 stops23h 05m

London Luton

Tue 4/21

9:15 am-10:53 pm

3 stops21h 38m

$719

PortlandLondon

PDX - LTN

PDXLTN

Portland

Sat 5/23

3:30 pm-1:05 pm

1 stop13h 35m

London Luton

Wed 6/3

6:15 am-5:55 pm

1 stop19h 40m

$732
Quickest round-trip

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 6/2

3:40 pm-12:55 pm

1 stop13h 15m

London Luton

Sun 6/14

6:25 am-11:45 am

1 stop13h 20m

$733

PortlandLondon

PDX - LTN

PDXLTN

Portland

Mon 4/13

3:30 pm-3:45 pm

2 stops16h 15m

London Luton

Sun 4/19

9:00 am-6:00 pm

2 stops17h 00m

$736

PortlandLondon

PDX - LTN

PDXLTN

Portland

Tue 4/14

3:30 pm-11:45 pm

3 stops24h 15m

London Luton

Tue 4/21

9:15 am-9:10 am

3 stops31h 55m

$737

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 State of Washington to London Luton 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

How long does it take to fly to London Luton Airport?

If you’re flying from a popular airport in State of Washington, such as Seattle or Spokane, and flying into London Luton Airport, then you can expect flight times to average 9h 15m and 12h 40m, respectively.

Cheap State of Washington to London Luton Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to London Luton Airport

Fastest flight time

12h 15m

Direct flights

None
The fastest flight from State of Washington to London Luton Airport takes 12h 15m
There are no direct flights from State of Washington to London Luton Airport. There are no popular flight routes from State of Washington to London Luton Airport.
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  • When did momondo last update prices for flights from Washington to London Luton Airport?

    Prices for flights from Washington to London Luton Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington to London Luton 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 Washington to London Luton Airport.

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

    The travel and health documents you'll need for your trip to London Luton Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Luton Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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
Crawley
Wembley
Hayes
Dartford
Croydon
Harrow
Watford
Brentwood
Guildford
Stansted
Cobham
Folkestone
Romford
Richmond

Why use momondo?

Why should I use momondo to find a flight deal from Washington 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 Washington to London for you.

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

Yes. All flights to London from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Washington and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Washington to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London Luton Airport trip

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