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Cheap flights from London City Airport to Washington, D.C. Dulles Intl Airport from £373

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — IAD
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London City to Dulles Intl

Enter your travel dates to find the best prices.

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 13 February 2026.

Tue 3/309:15
LCY
-
IAD
1 stop12h 25m
SWISS
Sun 8/321:30
IAD
-
LCY
1 stop11h 25m
SWISS
Deal found 10/2£406
Sat 28/208:35
LCY
-
IAD
1 stop13h 05m
SWISS
Thu 5/320:30
IAD
-
LCY
1 stop11h 25m
SWISS
Deal found 10/2£409
Thu 26/209:15
LCY
-
IAD
1 stop12h 25m
SWISS
Thu 5/320:30
IAD
-
LCY
1 stop11h 25m
SWISS
Deal found 9/2£411
Sat 28/208:35
LCY
-
IAD
1 stop13h 05m
SWISS
Sat 7/317:25
IAD
-
LCY
1 stop18h 40m
SWISS
Deal found 9/2£414
Thu 5/319:10
LCY
-
IAD
1 stop25h 10m
SWISS
Mon 9/317:25
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 9/2£415
Wed 11/319:10
LCY
-
IAD
1 stop24h 10m
SWISS
Sun 22/317:25
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 9/2£416
Sun 1/319:20
LCY
-
IAD
1 stop24h 45m
SWISS
Sun 8/317:25
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 11/2£418
Thu 26/219:10
LCY
-
IAD
1 stop24h 55m
SWISS
Tue 10/317:25
IAD
-
LCY
1 stop11h 20m
SWISS
Deal found 10/2£422
Fri 27/209:20
LCY
-
IAD
1 stop12h 20m
SWISS
Tue 3/320:30
IAD
-
LCY
1 stop11h 25m
SWISS
Deal found 10/2£424
Thu 16/409:15
LCY
-
IAD
1 stop11h 50m
Multiple Airlines
Mon 27/420:20
IAD
-
LCY
1 stop11h 15m
Multiple Airlines
Deal found 10/2£425

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 13 February 2026.

Round-trip from

£406

One-way from

£373

Popular in

July

Cheapest in

January

Average price

£460
SWISS
  • SWISS
  • 3/3-8/3
  • 2 total stops
  • 23h 50m total
  • London to Washington, D.C.
Search Deals
10/3
  • 10/3
  • 2 total stops
  • 30h 45m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 13 February 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

Wed 11/3

19:10-15:20

1 stop24h 10m

Washington, D.C. Dulles Intl

Sun 22/3

17:25-08:40

1 stop11h 15m

£416

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 6/3

09:20-16:40

1 stop12h 20m

Washington, D.C. Dulles Intl

Sun 22/3

21:30-12:55

1 stop11h 25m

£447

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 12/3

09:15-17:40

1 stop12h 25m

Washington, D.C. Dulles Intl

Mon 16/3

17:25-08:40

1 stop11h 15m

£458

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 24/2

19:10-15:05

1 stop24h 55m

Washington, D.C. Dulles Intl

Mon 23/3

17:25-08:40

1 stop11h 15m

£466

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 24/2

19:10-15:05

1 stop24h 55m

Washington, D.C. Dulles Intl

Sun 22/3

17:25-08:40

1 stop11h 15m

£466

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 2/3

19:10-15:05

1 stop24h 55m

Washington, D.C. Dulles Intl

Mon 9/3

17:25-08:40

1 stop11h 15m

£467

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 2/3

19:10-15:05

1 stop24h 55m

Washington, D.C. Dulles Intl

Sun 8/3

17:25-08:40

1 stop11h 15m

£467

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 23/2

19:10-15:05

1 stop24h 55m

Washington, D.C. Dulles Intl

Sun 22/3

17:25-08:40

1 stop11h 15m

£488

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 14/4

10:00-15:35

1 stop10h 35m

Washington, D.C. Dulles Intl

Wed 27/5

18:10-09:30

1 stop10h 20m

£559

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 24/4

09:20-15:35

1 stop11h 15m

Washington, D.C. Dulles Intl

Tue 28/4

17:40-08:50

1 stop10h 10m

£559

Flights are sorted by cheapest return flights first.

Deals found on 10/2

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 return 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?

    Departing from London City Airport to Washington, D.C. Dulles Intl Airport will take you 24h 10m. The distance from London City Airport to Washington, D.C. Dulles Intl Airport is about 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 holiday 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

Travelling 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
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
Alexandria
College Park

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How does Cheapflights help users find flights from London City to Dulles Intl?

Cheapflights makes it easy to find London City to Dulles Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London City to Dulles Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London City to Dulles Intl.

Can Cheapflights find flights from London City to Dulles Intl with no change fees?

Yes, we can. To see specific flights from London City to Dulles Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London City to Dulles Intl become cheaper?

Not ready to book yet? You can track prices for flights from London City to Dulles Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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