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Cheap flights from Washington to London from $398

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 4/27. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:10 pm - 5:55 pm
SEA
-
LCY
19h 45m
1 stop
Lufthansa Logo
9:15 am - 6:30 pm
LCY
-
SEA
17h 15m
2 stops
$806Lufthansa
Mon, Apr 20 - Thu, May 7
KLM Logo
1:45 pm - 9:30 am
SEA
-
LCY
11h 45m
1 stop
KLM Logo
9:20 am - 4:30 pm
LCY
-
SEA
15h 10m
1 stop
$832KLM
Tue, May 5 - Tue, May 12
Virgin Atlantic Logo
1:45 pm - 5:20 pm
SEA
-
LCY
19h 35m
1 stop
Virgin Atlantic Logo
9:20 am - 4:30 pm
LCY
-
SEA
15h 10m
1 stop
$833Virgin Atlantic
Sun, Apr 19 - Tue, May 5
SWISS Logo
4:35 pm - 5:30 pm
SEA
-
LCY
16h 55m
1 stop
SWISS Logo
9:15 am - 6:32 pm
LCY
-
SEA
17h 17m
2 stops
$835SWISS
Mon, Sep 7 - Tue, Sep 22
SWISS Logo
4:35 pm - 5:30 pm
SEA
-
LCY
16h 55m
1 stop
SWISS Logo
9:15 am - 6:32 pm
LCY
-
SEA
17h 17m
2 stops
$837SWISS
Mon, Sep 14 - Thu, Sep 24
Virgin Atlantic Logo
5:35 pm - 6:30 pm
SEA
-
LCY
16h 55m
1 stop
Virgin Atlantic Logo
9:20 am - 8:42 pm
LCY
-
SEA
19h 22m
2 stops
$843Virgin Atlantic
Sun, Apr 19 - Tue, May 5
Iberia Logo
6:00 am - 3:15 pm
GEG
-
LCY
25h 15m
2 stops
Iberia Logo
9:35 am - 8:33 pm
LCY
-
GEG
42h 58m
2 stops
$1,137Iberia
Tue, Apr 21 - Tue, Apr 28
Iberia Logo
6:00 am - 9:10 am
GEG
-
LCY
43h 10m
2 stops
Iberia Logo
7:15 pm - 8:47 pm
LCY
-
GEG
33h 32m
2 stops
$1,139Iberia
Wed, Aug 12 - Tue, Sep 15
Multiple Airlines Logo
6:00 am - 6:20 pm
GEG
-
LCY
28h 20m
2 stops
Multiple Airlines Logo
6:05 pm - 4:55 pm
LCY
-
GEG
30h 50m
2 stops
$1,146Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
6:00 am - 6:20 pm
GEG
-
LCY
28h 20m
2 stops
Multiple Airlines Logo
6:05 pm - 8:33 pm
LCY
-
GEG
34h 28m
2 stops
$1,196Multiple Airlines
Sun, Apr 19 - Sun, Apr 26

KLM flights from State of Washington to London City Airport

Our best KLM deals on State of Washington to London City Airport flight tickets
KLM
May 5
SEA1:45 pmSeattle/Tacoma Intl
11h 45m
1 stop
LCY9:30 amLondon City
May 12
LCY9:20 amLondon City
15h 10m
1 stop
SEA4:30 pmSeattle/Tacoma Intl
$832
KLM
Apr 7
SEA5:35 pmSeattle/Tacoma Intl
15h 05m
1 stop
LCY4:40 pmLondon City
Apr 21
LCY8:25 amLondon City
16h 05m
1 stop
SEA4:30 pmSeattle/Tacoma Intl
$899
KLM
Apr 1
SEA1:45 pmSeattle/Tacoma Intl
11h 45m
1 stop
LCY9:30 amLondon City
Apr 8
LCY9:20 amLondon City
15h 10m
1 stop
SEA4:30 pmSeattle/Tacoma Intl
$1,047

Virgin Atlantic flights from State of Washington to London City Airport

Our best Virgin Atlantic deals on State of Washington to London City Airport flight tickets
Virgin Atlantic
Apr 19
SEA1:45 pmSeattle/Tacoma Intl
19h 35m
1 stop
LCY5:20 pmLondon City
May 5
LCY9:20 amLondon City
15h 10m
1 stop
SEA4:30 pmSeattle/Tacoma Intl
$833
Virgin Atlantic
Apr 19
SEA5:35 pmSeattle/Tacoma Intl
16h 55m
1 stop
LCY6:30 pmLondon City
May 5
LCY9:20 amLondon City
19h 22m
2 stops
SEA8:42 pmSeattle/Tacoma Intl
$843
Virgin Atlantic
Apr 27
PDX1:05 pmPortland
11h 45m
1 stop
LCY8:50 amLondon City
May 12
LCY8:15 pmLondon City
22h 55m
1 stop
PDX11:10 amPortland
$844

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to London City 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 25, 2026.
Use the filters below to find and compare flights from Washington to London City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 4/20

2:10 pm-5:55 pm

1 stop19h 45m

London City

Thu 5/7

9:15 am-6:30 pm

2 stops17h 15m

$806
Quickest round-trip

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 5/5

1:45 pm-9:30 am

1 stop11h 45m

London City

Tue 5/12

9:20 am-4:30 pm

1 stop15h 10m

$832

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 4/19

1:45 pm-5:20 pm

1 stop19h 35m

London City

Tue 5/5

9:20 am-4:30 pm

1 stop15h 10m

$833

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 9/7

4:35 pm-5:30 pm

1 stop16h 55m

London City

Tue 9/22

9:15 am-6:32 pm

2 stops17h 17m

$835

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 9/14

4:35 pm-5:30 pm

1 stop16h 55m

London City

Thu 9/24

9:15 am-6:32 pm

2 stops17h 17m

$837

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 4/19

5:35 pm-6:30 pm

1 stop16h 55m

London City

Tue 5/5

9:20 am-8:42 pm

2 stops19h 22m

$843

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Tue 4/21

6:00 am-3:15 pm

2 stops25h 15m

London City

Tue 4/28

9:35 am-8:33 pm

2 stops42h 58m

$1,137

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Wed 8/12

6:00 am-9:10 am

2 stops43h 10m

London City

Tue 9/15

7:15 pm-8:47 pm

2 stops33h 32m

$1,139

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Mon 4/20

6:00 am-6:20 pm

2 stops28h 20m

London City

Mon 4/27

6:05 pm-4:55 pm

2 stops30h 50m

$1,146

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sun 4/19

6:00 am-6:20 pm

2 stops28h 20m

London City

Sun 4/26

6:05 pm-8:33 pm

2 stops34h 28m

$1,196

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 City 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 airline that flies from Washington to London City?

KLM, SWISS, and Lufthansa are the most popular carriers operating from Washington to London City

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

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

Fastest flight time

11h 40m

Direct flights

None
The fastest flight from State of Washington to London City Airport takes 11h 40m
There are no direct flights from State of Washington to London City Airport. There are no popular flight routes from State of Washington to London City Airport.
Search flight deals

  • When did momondo last update prices for flights from Washington to London City Airport?

    Prices for flights from Washington to London City Airport were last updated today.

  • How many operators does momondo search for flights from Washington to London City Airport?

  • How old do you have to be to fly from Washington to London City Airport?

    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 Washington to London City Airport.

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

    The travel and health documents you'll need for your trip to London City 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 City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to London City Airport

Compare and see reviews for airlines that fly from State of Washington to London City Airport with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $962Free CancellationRating
7.3
1,722 reviews
Search Scandinavian Airlines flights

Traveling to a place near London?

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Dartford
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Folkestone
Romford
Stansted
Watford
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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to London. momondo saves you time and could save you money on your trip.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Washington.

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

Yes momondo offers price alerts on flights to London from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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