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Cheap flights from Washington to London from $386

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 3/8. 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 round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
4:05 pm - 5:20 pm
SEA
-
LCY
18h 15m
1 stop
Virgin Atlantic Logo
8:05 pm - 12:35 pm
LCY
-
SEA
23h 30m
1 stop
$655Virgin Atlantic
Mon, Mar 9 - Mon, Mar 16
Lufthansa Logo
2:10 pm - 5:55 pm
SEA
-
LCY
19h 45m
1 stop
Lufthansa Logo
9:15 am - 7:18 pm
LCY
-
SEA
18h 03m
2 stops
$657Lufthansa
Mon, Apr 13 - Wed, Apr 22
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
$668KLM
Sun, Apr 26 - Tue, May 5
SWISS Logo
12:36 pm - 5:05 pm
SEA
-
LCY
20h 29m
2 stops
SWISS Logo
9:20 am - 10:45 pm
LCY
-
SEA
20h 25m
2 stops
$669SWISS
Thu, Mar 5 - Wed, Mar 18
KLM Logo
2:25 pm - 9:30 am
PDX
-
LCY
12h 05m
1 stop
KLM Logo
10:00 am - 10:10 pm
LCY
-
PDX
19h 10m
2 stops
$670KLM
Mon, Mar 9 - Tue, Mar 17
Delta Logo
4:05 pm - 4:35 pm
SEA
-
LCY
17h 30m
1 stop
Delta Logo
10:00 am - 4:30 pm
LCY
-
SEA
14h 30m
1 stop
$670Delta
Wed, Mar 25 - Wed, Apr 8
Delta Logo
4:05 pm - 4:35 pm
SEA
-
LCY
17h 30m
1 stop
Delta Logo
10:00 am - 4:30 pm
LCY
-
SEA
14h 30m
1 stop
$671Delta
Wed, Mar 25 - Fri, Apr 3
Multiple Airlines Logo
2:10 pm - 5:55 pm
SEA
-
LCY
19h 45m
1 stop
Multiple Airlines Logo
7:15 pm - 6:30 pm
LCY
-
SEA
31h 15m
2 stops
$672Multiple Airlines
Wed, Apr 22 - Mon, May 4
Multiple Airlines Logo
2:10 pm - 5:55 pm
SEA
-
LCY
19h 45m
1 stop
Multiple Airlines Logo
7:15 pm - 6:30 pm
LCY
-
SEA
31h 15m
2 stops
$674Multiple Airlines
Wed, Apr 22 - Mon, May 4
SWISS Logo
1:39 pm - 6:40 pm
PDX
-
LCY
22h 01m
2 stops
SWISS Logo
1:30 pm - 10:45 pm
LCY
-
PDX
40h 15m
2 stops
$698SWISS
Wed, Mar 11 - Tue, Mar 17

Delta flights from State of Washington to London City Airport

Our best Delta deals on State of Washington to London City Airport flight tickets
Delta
Mar 25
SEA4:05 pmSeattle/Tacoma Intl
17h 30m
1 stop
LCY4:35 pmLondon City
Apr 3
LCY10:00 amLondon City
14h 30m
1 stop
SEA4:30 pmSeattle/Tacoma Intl
$670
Delta
Mar 25
SEA4:05 pmSeattle/Tacoma Intl
17h 30m
1 stop
LCY4:35 pmLondon City
Apr 3
LCY10:00 amLondon City
14h 30m
1 stop
SEA4:30 pmSeattle/Tacoma Intl
$671
Delta
Apr 1
SEA7:15 amSeattle/Tacoma Intl
18h 15m
2 stops
LCY9:30 amLondon City
Apr 7
LCY8:25 amLondon City
21h 45m
2 stops
SEA10:10 pmSeattle/Tacoma Intl
$684

Lufthansa flights from State of Washington to London City Airport

Our best Lufthansa deals on State of Washington to London City Airport flight tickets
Lufthansa
Apr 13
SEA2:10 pmSeattle/Tacoma Intl
19h 45m
1 stop
LCY5:55 pmLondon City
Apr 22
LCY9:15 amLondon City
18h 03m
2 stops
SEA7:18 pmSeattle/Tacoma Intl
$657
Lufthansa
Apr 13
SEA2:10 pmSeattle/Tacoma Intl
19h 45m
1 stop
LCY5:55 pmLondon City
Apr 20
LCY9:15 amLondon City
18h 03m
2 stops
SEA7:18 pmSeattle/Tacoma Intl
$703
Lufthansa
Mar 23
SEA3:00 pmSeattle/Tacoma Intl
19h 40m
1 stop
LCY5:40 pmLondon City
Mar 30
LCY6:30 pmLondon City
34h 23m
2 stops
SEA8:53 pmSeattle/Tacoma Intl
$707

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 February 7, 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

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 3/9

4:05 pm-5:20 pm

1 stop18h 15m

London City

Mon 3/16

8:05 pm-12:35 pm

1 stop23h 30m

$655

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 4/13

2:10 pm-5:55 pm

1 stop19h 45m

London City

Wed 4/22

9:15 am-7:18 pm

2 stops18h 03m

$657

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 4/26

1:45 pm-9:30 am

1 stop11h 45m

London City

Tue 5/5

9:20 am-4:30 pm

1 stop15h 10m

$668

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Thu 3/5

12:36 pm-5:05 pm

2 stops20h 29m

London City

Wed 3/18

9:20 am-10:45 pm

2 stops20h 25m

$669

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mon 3/9

2:25 pm-9:30 am

1 stop12h 05m

London City

Tue 3/17

10:00 am-10:10 pm

2 stops19h 10m

$670

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 3/25

4:05 pm-4:35 pm

1 stop17h 30m

London City

Wed 4/8

10:00 am-4:30 pm

1 stop14h 30m

$670

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 3/25

4:05 pm-4:35 pm

1 stop17h 30m

London City

Fri 4/3

10:00 am-4:30 pm

1 stop14h 30m

$671

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 4/22

2:10 pm-5:55 pm

1 stop19h 45m

London City

Mon 5/4

7:15 pm-6:30 pm

2 stops31h 15m

$672

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 4/22

2:10 pm-5:55 pm

1 stop19h 45m

London City

Mon 5/4

7:15 pm-6:30 pm

2 stops31h 15m

$674

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 3/11

1:39 pm-6:40 pm

2 stops22h 01m

London City

Tue 3/17

1:30 pm-10:45 pm

2 stops40h 15m

$698

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?

Lufthansa, United Airlines, and SWISS 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
1,678 reviews
Search Scandinavian Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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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 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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