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Dulles Intl

$552+ Cheap flights from London City (LCY) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — IAD
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheap flight deals from London City to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from London City (LCY) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 14, 2026.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$554
(TravelUp)

One-way from

$552
(SWISS)

Popular in

July

Cheapest in

February

Average price

$636
Provider with most accurate pricing for London (LON)-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. (WAS) flights.
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From London City to Washington, D.C. Dulles Intl
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One-way flight from London City to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 13% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from London City to Dulles Intl

Cheapest flights from London City to Dulles Intl
Explore the most affordable flight options available from London City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 14, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/69:20 am
LCY
-
IAD
1 stop12h 20m
SWISS
Sun 2/228:30 pm
IAD
-
LCY
1 stop11h 25m
SWISS
Deal found 1/12$555
This TravelUp deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/69:20 am
LCY
-
IAD
1 stop12h 20m
Multiple Airlines
Mon 2/96:00 pm
IAD
-
LCY
1 stop10h 15m
Multiple Airlines
Deal found 1/13$556
This SWISS deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/49:20 am
LCY
-
IAD
1 stop15h 55m
SWISS
Sun 2/85:25 pm
IAD
-
LCY
1 stop14h 30m
SWISS
Deal found 1/12$557
This Cheapflightsfares deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/129:15 am
LCY
-
IAD
1 stop12h 25m
SWISS
Thu 4/308:20 pm
IAD
-
LCY
1 stop17h 20m
SWISS
Deal found 1/13$558
This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/69:20 am
LCY
-
IAD
1 stop12h 20m
SWISS
Sun 2/88:30 pm
IAD
-
LCY
1 stop11h 25m
SWISS
Deal found 1/12$562
This TravelUp deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/109:15 am
LCY
-
IAD
1 stop12h 25m
SWISS
Tue 2/178:30 pm
IAD
-
LCY
1 stop15h 35m
SWISS
Deal found 1/13$563
This The Travel House deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:20 am
LCY
-
IAD
1 stop12h 20m
SWISS
Tue 3/38:30 pm
IAD
-
LCY
1 stop15h 35m
SWISS
Deal found 1/14$566
This Cheapflightsfares deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/29:50 am
LCY
-
IAD
1 stop15h 25m
Lufthansa
Sun 2/810:00 pm
IAD
-
LCY
1 stop14h 40m
Lufthansa
Deal found 1/13$568
This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/261:30 pm
LCY
-
IAD
1 stop31h 00m
SWISS
Thu 2/58:30 pm
IAD
-
LCY
1 stop11h 25m
SWISS
Deal found 1/12$570

Cheapflights Fare Finder

 
Customize your flight search to find flights from London City to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated January 14, 2026.
Use the filters below to find and compare flights from London City Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

London City

Fly to

Dulles Intl

Route

Depart

Return

Price

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 2/12

6:50 am-3:35 pm

1 stop13h 45m

Washington, D.C. Dulles Intl

Mon 2/16

5:05 pm-9:30 pm

1 stop23h 25m

$628

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 3/2

7:10 pm-3:05 pm

1 stop24h 55m

Washington, D.C. Dulles Intl

Fri 3/20

5:25 pm-11:40 am

1 stop14h 15m

$628

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 1/26

10:00 am-4:05 pm

1 stop11h 05m

Washington, D.C. Dulles Intl

Thu 2/5

12:32 pm-8:50 am

2 stops15h 18m

$642

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 3/2

9:20 am-4:05 pm

1 stop11h 45m

Washington, D.C. Dulles Intl

Mon 3/16

1:19 pm-7:15 am

2 stops13h 56m

$642

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 3/4

8:40 am-4:05 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Wed 3/11

7:05 pm-9:30 am

1 stop10h 25m

$643

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 1/28

7:45 am-7:09 pm

2 stops16h 24m

Washington, D.C. Dulles Intl

Wed 2/11

12:40 pm-8:50 am

2 stops15h 10m

$648

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 2/11

9:20 am-7:09 pm

2 stops14h 49m

Washington, D.C. Dulles Intl

Wed 2/18

12:38 pm-7:15 am

2 stops13h 37m

$650

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 1/28

10:00 am-7:09 pm

2 stops14h 09m

Washington, D.C. Dulles Intl

Mon 2/2

12:32 pm-7:15 am

2 stops13h 43m

$651

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 3/18

9:20 am-5:05 pm

1 stop11h 45m

Washington, D.C. Dulles Intl

Wed 4/1

6:10 pm-8:50 am

1 stop9h 40m

$667

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 2/2

9:20 am-4:05 pm

1 stop11h 45m

Washington, D.C. Dulles Intl

Sun 2/8

6:05 pm-8:50 am

1 stop9h 45m

$673

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 22 results
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Best time to book a flight from London City to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from London City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from London City to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London City Airport to Washington, D.C. Dulles Intl Airport?

    British Airways, SWISS, and Virgin Atlantic can get you from London City Airport to Washington, D.C. Dulles Intl Airport in just under 11h 05m. Your travel time can differ by up to 13h 50m. Airlines will cover a distance of 3684 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from London City to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on London City to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London City to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London City to Dulles Intl.

  • Can I find deals for business class flights from London City to Dulles Intl?

    Yes. Cheapflights offers flight deals from London City to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Largo
Bowie
McLean
Clinton
Herndon

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