HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$547+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — IAD
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from London City to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 11, 2026.

This Expedia deal was found by Cheapflights users on 6/8. 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.
Wed 8/129:15 am
LCY
-
IAD
1 stop12h 30m
SWISS
Wed 8/198:20 pm
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 6/8$651
This ChecknFly deal was found by Cheapflights users on 6/8. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:10 am
LCY
-
IAD
1 stop12h 20m
Multiple Airlines
Mon 7/1310:20 pm
IAD
-
LCY
2 stops14h 35m
Multiple Airlines
Deal found 6/8$652
This Booking.com deal was found by Cheapflights users on 6/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:15 pm
LCY
-
IAD
1 stop26h 30m
Multiple Airlines
Thu 7/3010:15 pm
IAD
-
LCY
1 stop14h 40m
Multiple Airlines
Deal found 6/8$653
This Gotogate deal was found by Cheapflights users on 6/9. 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.
Fri 8/289:15 am
LCY
-
IAD
1 stop12h 30m
SWISS
Sun 9/68:20 pm
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 6/9$654
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/19:15 am
LCY
-
IAD
1 stop12h 30m
SWISS
Sun 7/55:40 pm
IAD
-
LCY
1 stop13h 55m
SWISS
Deal found 6/10$655
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:45 pm
LCY
-
IAD
1 stop10h 40m
British Airways
Wed 9/25:15 pm
IAD
-
LCY
1 stop10h 20m
British Airways
Deal found 6/10$656
This Expedia deal was found by Cheapflights users on 6/11. 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 7/237:15 pm
LCY
-
IAD
1 stop26h 30m
SWISS
Mon 8/108:20 pm
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 6/11$657
This TravelUp deal was found by Cheapflights users on 6/11. 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 7/309:15 am
LCY
-
IAD
1 stop12h 30m
SWISS
Mon 8/248:20 pm
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 6/11$658
This Expedia deal was found by Cheapflights users on 6/11. 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 7/99:15 am
LCY
-
IAD
1 stop11h 50m
Lufthansa
Wed 7/293:25 pm
IAD
-
LCY
1 stop12h 15m
Lufthansa
Deal found 6/11$659
This Expedia deal was found by Cheapflights users on 6/9. 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.
Tue 7/79:15 am
LCY
-
IAD
1 stop11h 50m
Multiple Airlines
Tue 7/148:20 pm
IAD
-
LCY
1 stop16h 05m
Multiple Airlines
Deal found 6/9$660
This TravelUp deal was found by Cheapflights users on 6/8. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:15 am
LCY
-
IAD
1 stop11h 40m
Multiple Airlines
Thu 7/98:20 pm
IAD
-
LCY
1 stop11h 15m
Multiple Airlines
Deal found 6/8$662
This TravelUp deal was found by Cheapflights users on 6/9. 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 6/309:15 am
LCY
-
IAD
1 stop11h 40m
Multiple Airlines
Wed 7/88:20 pm
IAD
-
LCY
1 stop11h 15m
Multiple Airlines
Deal found 6/9$663

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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$651
(Expedia)

One-way from

$547
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$794
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 ($77 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 June 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 June 11, 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

Tue 7/7

7:15 pm-3:30 pm

1 stop25h 15m

Washington, D.C. Dulles Intl

Sun 7/12

5:40 pm-12:35 pm

1 stop13h 55m

$697

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 7/1

7:15 pm-3:30 pm

1 stop25h 15m

Washington, D.C. Dulles Intl

Tue 7/14

5:40 pm-12:35 pm

1 stop13h 55m

$697

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 9/3

7:15 pm-3:30 pm

1 stop25h 15m

Washington, D.C. Dulles Intl

Tue 9/15

5:45 pm-12:35 pm

1 stop13h 50m

$698

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Sun 8/23

7:15 pm-3:30 pm

1 stop25h 15m

Washington, D.C. Dulles Intl

Mon 8/31

5:40 pm-12:35 pm

1 stop13h 55m

$714
Quickest round-trip

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 10/8

9:20 am-3:35 pm

1 stop11h 15m

Washington, D.C. Dulles Intl

Tue 10/13

5:40 pm-8:50 am

1 stop10h 10m

$718

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 9/1

10:00 am-11:26 pm

2 stops18h 26m

Washington, D.C. Dulles Intl

Wed 9/9

6:10 pm-8:50 am

1 stop9h 40m

$723

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 11/2

7:45 am-3:55 pm

1 stop13h 10m

Washington, D.C. Dulles Intl

Fri 11/13

6:20 pm-9:30 am

1 stop10h 10m

$730

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 8/28

7:45 am-6:33 pm

2 stops15h 48m

Washington, D.C. Dulles Intl

Tue 9/1

5:40 pm-6:30 pm

1 stop19h 50m

$752

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 7/1

7:15 pm-3:30 pm

1 stop25h 15m

Washington, D.C. Dulles Intl

Fri 7/10

5:40 pm-11:40 am

1 stop13h 00m

$784

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Sun 7/5

7:15 pm-3:30 pm

1 stop25h 15m

Washington, D.C. Dulles Intl

Tue 7/14

5:40 pm-12:35 pm

1 stop13h 55m

$787

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 21 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?

    SWISS and KLM can get you from London City Airport to Washington, D.C. Dulles Intl Airport in just under 11h 15m. Your travel time can differ by up to 14h. 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
Tysons
Owings Mills
Springfield
Arlington
Reston
Rockville
Herndon
Fredericksburg
Laurel
Hyattsville
Manassas
Hanover
Chantilly
Lanham
Falls Church
Waldorf
Silver Spring
Largo
Clinton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights