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Cheap flights from Washington to London from $354

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 11/18. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
10:45 am - 2:35 pmSEA-LCY
19h 50m2 stops
Iberia Logo
7:15 pm - 9:40 amLCY-SEA
22h 25m2 stops
$614Iberia
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Mon, Feb 2 - Mon, Feb 16
Virgin Atlantic Logo
3:05 pm - 4:35 pmSEA-LCY
17h 30m1 stop
Virgin Atlantic Logo
5:50 pm - 11:50 amLCY-SEA
26h 00m1 stop
$631Virgin Atlantic
Find Deal
Tue, Dec 2 - Tue, Dec 9
Delta Logo
1:25 pm - 9:30 amPDX-LCY
12h 05m1 stop
Delta Logo
8:40 am - 5:43 pmLCY-PDX
17h 03m2 stops
$641Delta
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Wed, Nov 19 - Tue, Nov 25
Delta Logo
1:25 pm - 9:30 amPDX-LCY
12h 05m1 stop
Delta Logo
10:00 am - 11:25 amLCY-PDX
33h 25m1 stop
$645Delta
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Sun, Jan 18 - Thu, Feb 5
KLM Logo
4:00 pm - 6:25 pmSEA-LCY
19h 25m1 stop
KLM Logo
5:05 pm - 12:35 pmLCY-SEA
26h 30m1 stop
$646KLM
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Tue, Mar 10 - Tue, Mar 17
Lufthansa Logo
3:00 pm - 5:35 pmSEA-LCY
19h 35m1 stop
Lufthansa Logo
9:15 am - 7:18 pmLCY-SEA
18h 03m2 stops
$649Lufthansa
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Tue, Mar 24 - Tue, Mar 31
SWISS Logo
2:40 pm - 5:05 pmSEA-LCY
18h 25m2 stops
SWISS Logo
9:20 am - 9:00 pmLCY-SEA
19h 40m2 stops
$651SWISS
Find Deal
Tue, Nov 25 - Fri, Dec 5
SWISS Logo
11:00 am - 5:05 pmSEA-LCY
23h 05m2 stops
SWISS Logo
9:15 am - 10:32 pmLCY-SEA
20h 17m2 stops
$677SWISS
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Mon, Mar 16 - Tue, Mar 24
Lufthansa Logo
3:00 pm - 5:35 pmSEA-LCY
19h 35m1 stop
Lufthansa Logo
6:10 pm - 1:10 pmLCY-SEA
26h 00m1 stop
$686Lufthansa
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Tue, Mar 10 - Wed, Mar 18
KLM Logo
1:25 pm - 6:25 pmPDX-LCY
21h 00m1 stop
KLM Logo
6:55 pm - 11:25 amLCY-PDX
24h 30m1 stop
$730KLM
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Mon, Nov 24 - Sun, Dec 7

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
Dec 2
SEA3:05 pmSeattle/Tacoma Intl
17h 30m
1 stop
LCY4:35 pmLondon City
Dec 9
LCY5:50 pmLondon City
26h 00m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$631
Find similar
Virgin Atlantic
Dec 2
SEA3:05 pmSeattle/Tacoma Intl
17h 30m
1 stop
LCY4:35 pmLondon City
Dec 9
LCY6:55 pmLondon City
24h 55m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$632
Find similar
Virgin Atlantic
Dec 4
SEA3:05 pmSeattle/Tacoma Intl
17h 30m
1 stop
LCY4:35 pmLondon City
Dec 9
LCY6:55 pmLondon City
24h 55m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$634
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British Airways flights from State of Washington to London City Airport

Our best British Airways deals on State of Washington to London City Airport flight tickets
British Airways
Nov 19
PDX7:40 amPortland
26h 50m
2 stops
LCY6:30 pmLondon City
Dec 4
LCY7:15 pmLondon City
34h 09m
2 stops
PDX9:24 pmPortland
$769
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British Airways
Nov 19
PDX7:40 amPortland
20h 55m
2 stops
LCY12:35 pmLondon City
Dec 4
LCY8:50 amLondon City
44h 34m
2 stops
PDX9:24 pmPortland
$806
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British Airways
Nov 16
SEA8:05 pmSeattle/Tacoma Intl
13h 25m
1 stop
LCY5:30 pmLondon City
Dec 3
LCY6:50 amLondon City
19h 30m
1 stop
SEA6:20 pmSeattle/Tacoma Intl
$882
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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 November 6, 2025.
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 2/2

10:45 am-2:35 pm

2 stops19h 50m

London City

Mon 2/16

7:15 pm-9:40 am

2 stops22h 25m

$614

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 12/2

3:05 pm-4:35 pm

1 stop17h 30m

London City

Tue 12/9

5:50 pm-11:50 am

1 stop26h 00m

$631

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 11/19

1:25 pm-9:30 am

1 stop12h 05m

London City

Tue 11/25

8:40 am-5:43 pm

2 stops17h 03m

$641

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 1/18

1:25 pm-9:30 am

1 stop12h 05m

London City

Thu 2/5

10:00 am-11:25 am

1 stop33h 25m

$645

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 3/10

4:00 pm-6:25 pm

1 stop19h 25m

London City

Tue 3/17

5:05 pm-12:35 pm

1 stop26h 30m

$646

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 3/24

3:00 pm-5:35 pm

1 stop19h 35m

London City

Tue 3/31

9:15 am-7:18 pm

2 stops18h 03m

$649

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 11/25

2:40 pm-5:05 pm

2 stops18h 25m

London City

Fri 12/5

9:20 am-9:00 pm

2 stops19h 40m

$651

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 3/16

11:00 am-5:05 pm

2 stops23h 05m

London City

Tue 3/24

9:15 am-10:32 pm

2 stops20h 17m

$677

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 3/10

3:00 pm-5:35 pm

1 stop19h 35m

London City

Wed 3/18

6:10 pm-1:10 pm

1 stop26h 00m

$686

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mon 11/24

1:25 pm-6:25 pm

1 stop21h 00m

London City

Sun 12/7

6:55 pm-11:25 am

1 stop24h 30m

$730

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, SWISS, and United Airlines 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

Direct flights

None
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.
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  • 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
7.4
1,564 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
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Chelmsford
Wembley
Folkestone
Romford
Ilford
Cobham
Stansted
Harrow
Watford

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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