HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$524+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — IAD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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

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 September 16, 2025.

Round-trip from

$560
(SWISS)

One-way from

$524
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$666
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. 10% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 September 16, 2025.

This SWISS deal was found by Cheapflights users on 9/15. 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.
Mon 10/277:10 pmLCY - IAD
1 stop24h 25mSWISS
Fri 11/75:25 pmIAD - LCY
1 stop13h 15mSWISS
Deal found 9/15$560
This SWISS deal was found by Cheapflights users on 9/15. 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 10/317:20 pmLCY - IAD
1 stop24h 15mSWISS
Fri 11/75:25 pmIAD - LCY
1 stop13h 15mSWISS
Deal found 9/15$561
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
Thu 10/29:25 amLCY - IAD
1 stop11h 50mSWISS
Tue 10/78:45 pmIAD - LCY
1 stop10h 45mSWISS
Deal found 9/13$572
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:10 pmLCY - IAD
1 stop26h 30mSWISS
Thu 11/68:30 pmIAD - LCY
1 stop15h 35mSWISS
Deal found 9/15$573
This Netflights deal was found by Cheapflights users on 9/14. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/69:40 amLCY - IAD
1 stop15h 35mLufthansa
Mon 11/106:00 pmIAD - LCY
1 stop17h 40mLufthansa
Deal found 9/14$574
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 10/89:25 amLCY - IAD
1 stop11h 50mSWISS
Thu 10/165:45 pmIAD - LCY
1 stop18h 30mSWISS
Deal found 9/15$577
This TravelUp deal was found by Cheapflights users on 9/14. 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 9/259:20 amLCY - IAD
1 stop11h 15mVirgin Atlantic
Thu 10/25:25 pmIAD - LCY
1 stop10h 25mVirgin Atlantic
Deal found 9/14$579
This TravelUp deal was found by Cheapflights users on 9/14. 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.
Sun 9/281:45 pmLCY - IAD
1 stop30h 50mVirgin Atlantic
Sun 10/125:25 pmIAD - LCY
1 stop10h 25mVirgin Atlantic
Deal found 9/14$580
This SWISS deal was found by Cheapflights users on 9/14. 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.
Thu 10/99:25 amLCY - IAD
1 stop11h 50mSWISS
Thu 10/168:45 pmIAD - LCY
1 stop10h 45mSWISS
Deal found 9/14$581
This SWISS deal was found by Cheapflights users on 9/15. 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 10/37:30 pmLCY - IAD
1 stop25h 45mSWISS
Mon 10/68:45 pmIAD - LCY
1 stop10h 45mSWISS
Deal found 9/15$582
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/69:15 amLCY - IAD
1 stop12h 25mSWISS
Wed 11/125:25 pmIAD - LCY
1 stop18h 40mSWISS
Deal found 9/15$583

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 September 16, 2025.
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 11/27

7:10 pm-3:30 pm

1 stop25h 20m

Washington, D.C. Dulles Intl

Tue 12/9

5:25 pm-12:50 pm

1 stop14h 25m

$560

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 11/13

7:10 pm-3:30 pm

1 stop25h 20m

Washington, D.C. Dulles Intl

Mon 11/17

5:25 pm-12:50 pm

1 stop14h 25m

$560

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 10/27

7:10 pm-3:35 pm

1 stop24h 25m

Washington, D.C. Dulles Intl

Fri 11/7

5:25 pm-11:40 am

1 stop13h 15m

$560

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 3/2

7:10 pm-3:30 pm

1 stop25h 20m

Washington, D.C. Dulles Intl

Mon 3/9

5:25 pm-12:50 pm

1 stop15h 25m

$561

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 10/31

7:20 pm-3:35 pm

1 stop24h 15m

Washington, D.C. Dulles Intl

Fri 11/7

5:25 pm-11:40 am

1 stop13h 15m

$561

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 2/2

5:50 pm-3:30 pm

1 stop26h 40m

Washington, D.C. Dulles Intl

Mon 2/9

1:05 pm-9:15 am

2 stops15h 10m

$568

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 11/6

9:40 am-8:15 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 11/12

10:00 pm-5:40 pm

1 stop14h 40m

$572

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 3/12

9:40 am-9:15 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 3/23

7:00 pm-4:40 pm

1 stop17h 40m

$576

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 10/9

8:45 am-3:15 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Mon 10/20

10:20 pm-4:25 pm

2 stops13h 05m

$612

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Sat 9/27

8:40 am-3:35 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Sat 10/4

5:25 pm-6:35 pm

1 stop20h 10m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 22 results
1
2
3

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 25h 20m. Your travel time can differ by up to . Airlines will cover a distance of 3684 mi.

  • What are the cheapest airlines to fly from London City Airport to Washington, D.C. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as $557 on SWISS. Other airlines that offer cheap prices include British Airways from $631 and Iberia from $641 one-way.

  • 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.

  • What is the cheapest month to book a flight from London City Airport to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from London City Airport to Washington, D.C. Dulles Intl Airport (average of $292). Flying from London City Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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.

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.