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Dulles Intl

$558+ Cheap flights from London City (LCY) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — IAD
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 8, 2026.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$558
(Cheapflightsfares)

Popular in

July

Cheapest in

February

Average price

$646
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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Highest demand for flights based on searches. 13% potential increase in price ($110 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 8, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/8. 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 2/249:15 amLCY - IAD
1 stop12h 25mSWISS
Sun 3/18:30 pmIAD - LCY
1 stop11h 25mSWISS
Deal found 1/8$558
This Expedia deal was found by Cheapflights users on 1/8. 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 2/69:20 amLCY - IAD
1 stop12h 20mSWISS
Sun 2/158:30 pmIAD - LCY
1 stop11h 25mSWISS
Deal found 1/8$560
This Cheapflightsfares deal was found by Cheapflights users on 1/8. 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 1/239:20 amLCY - IAD
1 stop12h 20mMultiple Airlines
Mon 2/25:15 pmIAD - LCY
1 stop11h 00mMultiple Airlines
Deal found 1/8$564
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/199:15 amLCY - IAD
1 stop12h 25mSWISS
Tue 2/248:30 pmIAD - LCY
1 stop11h 25mSWISS
Deal found 1/6$565
This Kiwi.com deal was found by Cheapflights users on 1/8. 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.
Sat 1/2412:15 pmLCY - IAD
1 stop31h 55mSWISS
Sun 2/18:30 pmIAD - LCY
1 stop11h 25mSWISS
Deal found 1/8$567
This The Travel House deal was found by Cheapflights users on 1/7. 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 amLCY - IAD
1 stop12h 20mSWISS
Tue 3/38:30 pmIAD - LCY
1 stop15h 35mSWISS
Deal found 1/7$569
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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 2/139:55 amLCY - IAD
1 stop15h 20mLufthansa
Sun 2/226:00 pmIAD - LCY
1 stop18h 40mLufthansa
Deal found 1/7$570
This The Travel House deal was found by Cheapflights users on 1/7. 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 1/309:20 amLCY - IAD
1 stop12h 20mSWISS
Sat 2/78:30 pmIAD - LCY
1 stop17h 15mSWISS
Deal found 1/7$571
This TravelUp deal was found by Cheapflights users on 1/7. 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 2/59:15 amLCY - IAD
1 stop12h 25mMultiple Airlines
Thu 2/125:15 pmIAD - LCY
1 stop11h 05mMultiple Airlines
Deal found 1/7$573
This Globehunters deal was found by Cheapflights users on 1/6. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/139:55 amLCY - IAD
1 stop15h 20mLufthansa
Sun 3/110:00 pmIAD - LCY
1 stop14h 40mLufthansa
Deal found 1/6$574
This Flightnetwork deal was found by Cheapflights users on 1/7. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/218:35 amLCY - IAD
1 stop13h 05mSWISS
Sat 2/288:30 pmIAD - LCY
1 stop11h 15mSWISS
Deal found 1/7$576
This Expedia deal was found by Cheapflights users on 1/7. 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 1/159:15 amLCY - IAD
1 stop12h 25mSWISS
Tue 4/148:20 pmIAD - LCY
1 stop16h 10mSWISS
Deal found 1/7$578

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 8, 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

Sun 2/22

7:20 pm-3:05 pm

1 stop24h 45m

Washington, D.C. Dulles Intl

Sun 3/1

5:45 pm-12:55 pm

1 stop14h 10m

$590

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

$629

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 4/20

10:00 am-3:35 pm

1 stop10h 35m

Washington, D.C. Dulles Intl

Wed 5/6

6:10 pm-8:50 am

1 stop9h 40m

$635

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

$645

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 3/2

8:40 am-4:05 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Mon 3/16

1:19 pm-8:10 am

2 stops14h 51m

$646

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 2/3

8:40 am-4:05 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Tue 2/10

12:32 pm-8:10 am

2 stops14h 38m

$646

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 1/19

10:00 am-4:05 pm

1 stop11h 05m

Washington, D.C. Dulles Intl

Tue 1/27

6:05 pm-8:50 am

1 stop9h 45m

$648

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Sun 1/18

1:45 pm-4:05 pm

1 stop31h 20m

Washington, D.C. Dulles Intl

Mon 1/26

6:05 pm-8:50 am

1 stop9h 45m

$648

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Sun 1/25

8:05 pm-4:05 pm

1 stop25h 00m

Washington, D.C. Dulles Intl

Tue 2/10

12:23 pm-9:30 am

2 stops16h 07m

$648

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Sat 2/14

8:40 am-4:05 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Mon 2/23

6:05 pm-8:50 am

1 stop9h 45m

$677

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 23 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?

    SWISS, British Airways, and Virgin Atlantic can get you from London City Airport to Washington, D.C. Dulles Intl Airport in just under 10h 35m. Your travel time can differ by up to 14h 10m. 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
Bowie
Largo
McLean
Clinton
Upper Marlboro

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