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Dulles Intl

$448+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — IAD
Aug 2 — Aug 91
Sun 8/2
Sun 8/9
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 July 3, 2026.

This Globehunters deal was found by Cheapflights users on 6/30. 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.
Wed 8/269:15 am
LCY
-
IAD
1 stop11h 50m
Lufthansa
Mon 9/213:25 pm
IAD
-
LCY
1 stop21h 30m
Lufthansa
Deal found 6/30$647
This Globehunters deal was found by Cheapflights users on 7/3. 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.
Mon 9/149:15 am
LCY
-
IAD
1 stop11h 50m
Lufthansa
Thu 9/243:25 pm
IAD
-
LCY
1 stop12h 15m
Lufthansa
Deal found 7/3$652
This Globehunters deal was found by Cheapflights users on 7/2. 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.
Thu 8/209:15 am
LCY
-
IAD
1 stop15h 45m
Lufthansa
Thu 9/175:55 pm
IAD
-
LCY
1 stop19h 00m
Lufthansa
Deal found 7/2$661
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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 9/189:15 am
LCY
-
IAD
1 stop12h 30m
SWISS
Mon 9/218:20 pm
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 6/28$666
This Gotogate deal was found by Cheapflights users on 6/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:15 am
LCY
-
IAD
1 stop12h 30m
SWISS
Mon 9/218:20 pm
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 6/30$668
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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.
Wed 9/29:15 am
LCY
-
IAD
1 stop12h 30m
SWISS
Tue 9/158:20 pm
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 7/2$669
This Gotogate deal was found by Cheapflights users on 6/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:15 am
LCY
-
IAD
1 stop12h 30m
SWISS
Thu 10/88:20 pm
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 6/28$670
This Gotogate deal was found by Cheapflights users on 7/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:15 am
LCY
-
IAD
1 stop12h 30m
SWISS
Mon 9/78:20 pm
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 7/2$671
This TravelUp deal was found by Cheapflights users on 6/30. 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 10/19:15 am
LCY
-
IAD
1 stop11h 50m
Multiple Airlines
Sun 11/18:10 pm
IAD
-
LCY
1 stop11h 40m
Multiple Airlines
Deal found 6/30$673
This Globehunters deal was found by Cheapflights users on 6/30. 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.
Wed 8/59:15 am
LCY
-
IAD
1 stop11h 50m
Lufthansa
Wed 8/123:25 pm
IAD
-
LCY
1 stop12h 15m
Lufthansa
Deal found 6/30$674

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 July 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$647
(Globehunters)

One-way from

$448
(Priceline)

Popular in

June

Cheapest in

February

Average price

$769
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. 9% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 3, 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

Sat 10/24

8:25 am-3:35 pm

1 stop12h 10m

Washington, D.C. Dulles Intl

Thu 10/29

6:45 pm-8:50 am

1 stop10h 05m

$703

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Sat 10/24

8:25 am-3:35 pm

1 stop12h 10m

Washington, D.C. Dulles Intl

Thu 10/29

7:38 pm-4:35 pm

2 stops16h 57m

$704
Quickest round-trip

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 11/17

10:00 am-3:45 pm

1 stop10h 45m

Washington, D.C. Dulles Intl

Mon 2/15

6:20 pm-8:50 am

1 stop9h 30m

$737

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Sun 12/13

8:05 pm-3:55 pm

1 stop24h 50m

Washington, D.C. Dulles Intl

Thu 1/7

5:45 pm-8:50 am

1 stop10h 05m

$746

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 8/17

8:10 am-3:30 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Mon 8/31

5:40 pm-12:35 pm

1 stop13h 55m

$767

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Sat 10/24

8:25 am-3:35 pm

1 stop12h 10m

Washington, D.C. Dulles Intl

Sat 10/31

7:20 pm-7:15 am

1 stop31h 55m

$831

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 12/14

7:05 pm-3:30 pm

1 stop25h 25m

Washington, D.C. Dulles Intl

Wed 1/6

5:25 pm-12:50 pm

1 stop14h 25m

$980

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 10/14

1:45 pm-7:25 pm

1 stop10h 40m

Washington, D.C. Dulles Intl

Wed 10/21

5:15 pm-8:35 am

1 stop10h 20m

$983

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 8/19

7:45 am-6:33 pm

2 stops15h 48m

Washington, D.C. Dulles Intl

Sat 8/29

5:40 pm-7:45 pm

1 stop21h 05m

$993

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Sat 8/29

9:20 am-3:35 pm

1 stop11h 15m

Washington, D.C. Dulles Intl

Tue 9/29

5:40 pm-8:50 am

1 stop10h 10m

$1,001

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3
  • 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?

    KLM, Delta, and Virgin Atlantic can get you from London City Airport to Washington, D.C. Dulles Intl Airport in just under 12h 10m. Your travel time can differ by up to 12h 40m. 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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Fredericksburg
Hanover
Chantilly
Manassas
Silver Spring
Laurel
Clinton
Hunt Valley
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
Heathrow to Baltimore flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
Stansted to Baltimore flights

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