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Dulles Intl

$542+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — IAD
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
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 January 20, 2026.

This Expedia deal was found by Cheapflights users on 1/20. 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 2/199:15 am
LCY
-
IAD
1 stop12h 25m
SWISS
Thu 2/268:30 pm
IAD
-
LCY
1 stop11h 25m
SWISS
Deal found 1/20$549
This TravelUp deal was found by Cheapflights users on 1/20. 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 TravelUp 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
Multiple Airlines
Mon 2/166:00 pm
IAD
-
LCY
1 stop18h 40m
Multiple Airlines
Deal found 1/20$555
This SWISS deal was found by Cheapflights users on 1/18. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:20 pm
LCY
-
IAD
1 stop24h 45m
SWISS
Mon 3/95:25 pm
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 1/18$557
This Travelocity deal was found by Cheapflights users on 1/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:15 am
LCY
-
IAD
1 stop12h 25m
SWISS
Thu 3/58:30 pm
IAD
-
LCY
1 stop11h 25m
SWISS
Deal found 1/18$558
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/259:20 am
LCY
-
IAD
1 stop34h 45m
SWISS
Thu 3/58:30 pm
IAD
-
LCY
1 stop11h 25m
SWISS
Deal found 1/18$560
This The Travel House deal was found by Cheapflights users on 1/19. 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 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 stop11h 25m
SWISS
Deal found 1/19$564
This Cheapflightsfares deal was found by Cheapflights users on 1/18. 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.
Fri 3/139:55 am
LCY
-
IAD
1 stop15h 20m
Lufthansa
Sun 3/1511:00 pm
IAD
-
LCY
1 stop14h 40m
Lufthansa
Deal found 1/18$567
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 2/165:45 pm
LCY
-
IAD
1 stop26h 20m
SWISS
Mon 2/235:45 pm
IAD
-
LCY
1 stop14h 10m
SWISS
Deal found 1/19$570
This The Travel House deal was found by Cheapflights users on 1/19. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:15 am
LCY
-
IAD
1 stop12h 25m
SWISS
Sun 3/18:30 pm
IAD
-
LCY
1 stop11h 25m
SWISS
Deal found 1/19$572
This TravelUp deal was found by Cheapflights users on 1/18. 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.
Thu 2/129:15 am
LCY
-
IAD
1 stop12h 25m
Multiple Airlines
Thu 2/195:15 pm
IAD
-
LCY
1 stop11h 05m
Multiple Airlines
Deal found 1/18$575

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 January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$549
(Expedia)

One-way from

$542
(Cheapflightsfares)

Popular in

July

Cheapest in

February

Average price

$634
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. 13% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 20, 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

9:15 am-4:40 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Mon 2/16

6:00 pm-5:40 pm

1 stop18h 40m

$555

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 2/26

7:10 pm-3:05 pm

1 stop24h 55m

Washington, D.C. Dulles Intl

Tue 3/10

5:25 pm-8:45 am

1 stop11h 20m

$557

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 2/27

7:20 pm-3:05 pm

1 stop24h 45m

Washington, D.C. Dulles Intl

Tue 3/10

5:25 pm-8:45 am

1 stop11h 20m

$557

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 3/6

9:20 am-4:40 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Sat 3/14

9:30 pm-12:45 pm

1 stop11h 15m

$582

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 2/25

7:10 pm-3:05 pm

1 stop24h 55m

Washington, D.C. Dulles Intl

Wed 3/4

5:45 pm-12:55 pm

1 stop14h 10m

$586

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 3/11

7:10 pm-3:20 pm

1 stop24h 10m

Washington, D.C. Dulles Intl

Tue 3/24

5:25 pm-8:45 am

1 stop11h 20m

$588

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 2/4

9:20 am-8:15 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Mon 2/9

5:25 pm-5:05 pm

1 stop18h 40m

$600

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 3/4

7:10 pm-3:05 pm

1 stop24h 55m

Washington, D.C. Dulles Intl

Wed 3/11

5:25 pm-8:40 am

1 stop11h 15m

$625

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 3/4

10:00 am-4:05 pm

1 stop11h 05m

Washington, D.C. Dulles Intl

Wed 3/11

7:05 pm-8:50 am

1 stop9h 45m

$642

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 3/11

7:45 am-5:05 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Tue 3/24

1:19 pm-9:30 am

2 stops16h 11m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 21 results
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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 can get you from London City Airport to Washington, D.C. Dulles Intl Airport in just under 24h 55m. Your travel time can differ by up to . Airlines will cover a distance of 3684 mi.

  • 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
Herndon
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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