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Dulles Intl

$546+ 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — IAD
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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Cheap 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 March 23, 2026.

This TravelUp deal was found by Cheapflights users on 3/23. 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.
Mon 4/209:15 am
LCY
-
IAD
1 stop11h 50m
Multiple Airlines
Mon 4/275:35 pm
IAD
-
LCY
1 stop14h 00m
Multiple Airlines
Deal found 3/23$607
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Thu 4/169:15 am
LCY
-
IAD
1 stop12h 30m
SWISS
Mon 4/208:20 pm
IAD
-
LCY
1 stop16h 10m
SWISS
Deal found 3/20$608
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:15 am
LCY
-
IAD
1 stop11h 50m
Lufthansa
Tue 4/285:55 pm
IAD
-
LCY
1 stop19h 00m
Lufthansa
Deal found 3/18$609
This TravelUp deal was found by Cheapflights users on 3/18. 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 4/249:15 am
LCY
-
IAD
1 stop11h 50m
Multiple Airlines
Sun 5/35:35 pm
IAD
-
LCY
1 stop14h 00m
Multiple Airlines
Deal found 3/18$610
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/138:00 am
LCY
-
IAD
1 stop12h 15m
SWISS
Sun 4/198:20 pm
IAD
-
LCY
1 stop16h 05m
SWISS
Deal found 3/19$612
This Expedia deal was found by Cheapflights users on 3/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:15 am
LCY
-
IAD
1 stop12h 30m
SWISS
Sun 4/198:20 pm
IAD
-
LCY
1 stop16h 05m
SWISS
Deal found 3/20$614
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Thu 4/169:15 am
LCY
-
IAD
1 stop12h 30m
SWISS
Wed 4/228:20 pm
IAD
-
LCY
1 stop16h 05m
SWISS
Deal found 3/20$615
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Thu 4/239:15 am
LCY
-
IAD
1 stop12h 30m
SWISS
Sun 4/268:20 pm
IAD
-
LCY
1 stop16h 05m
SWISS
Deal found 3/22$616
This Expedia deal was found by Cheapflights users on 3/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:00 am
LCY
-
IAD
1 stop12h 15m
SWISS
Mon 4/278:20 pm
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 3/22$619
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:15 am
LCY
-
IAD
1 stop12h 30m
SWISS
Sun 5/38:20 pm
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 3/18$620
This Cheapflightsfares deal was found by Cheapflights users on 3/18. 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.
Tue 4/149:15 am
LCY
-
IAD
1 stop15h 40m
Lufthansa
Tue 4/215:55 pm
IAD
-
LCY
1 stop19h 00m
Lufthansa
Deal found 3/18$621

Find 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 March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$608
(Kiwi.com)

One-way from

$546
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$695
Provider with most accurate pricing for London City-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London City-Washington, D.C. Dulles Intl flights.
Search Deals
From London City to Washington, D.C. Dulles Intl
Search Deals
One-way flight from London City to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 23, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 4/10

7:15 pm-3:15 pm

1 stop25h 00m

Washington, D.C. Dulles Intl

Mon 4/27

5:35 pm-12:35 pm

1 stop14h 00m

$640

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 4/23

6:45 am-7:10 pm

1 stop17h 25m

Washington, D.C. Dulles Intl

Mon 4/27

5:00 pm-3:15 pm

1 stop17h 15m

$667

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 4/28

1:45 pm-7:35 pm

1 stop10h 50m

Washington, D.C. Dulles Intl

Thu 5/7

5:15 pm-8:35 am

1 stop10h 20m

$683

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 5/4

9:40 am-6:08 pm

2 stops13h 28m

Washington, D.C. Dulles Intl

Mon 5/11

6:10 pm-6:30 pm

1 stop19h 20m

$745

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 5/26

10:00 am-12:23 pm

2 stops31h 23m

Washington, D.C. Dulles Intl

Sun 6/21

7:59 pm-8:50 am

2 stops31h 51m

$748

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Sat 4/18

10:00 am-3:35 pm

1 stop10h 35m

Washington, D.C. Dulles Intl

Sat 4/25

6:50 pm-8:15 pm

2 stops20h 25m

$879

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 4/7

10:00 am-3:35 pm

1 stop10h 35m

Washington, D.C. Dulles Intl

Tue 4/14

6:50 pm-4:40 pm

2 stops16h 50m

$945

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Sat 4/11

8:25 am-10:59 pm

2 stops19h 34m

Washington, D.C. Dulles Intl

Sun 4/19

5:40 pm-5:20 pm

1 stop18h 40m

$961

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 4/13

8:25 am-11:03 pm

2 stops19h 38m

Washington, D.C. Dulles Intl

Sun 4/19

5:40 pm-7:45 pm

1 stop21h 05m

$974

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 5/14

8:25 am-3:35 pm

1 stop12h 10m

Washington, D.C. Dulles Intl

Sun 5/17

5:40 pm-8:50 am

1 stop10h 10m

$994

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 24 resultsSorted by cheapest first
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  • Most accurate provider: When it comes to deals on London City Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London City Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London City Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London City Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London City Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

    SWISS, British Airways, and Virgin Atlantic can get you from London City Airport to Washington, D.C. Dulles Intl Airport in just under 13h 28m. Your travel time can differ by up to 11h 32m. 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
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park
Cordova

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Alternative routes for London City to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dulles Intl flights
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Heathrow to Reagan-National flights
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