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Cheap flights from London City Airport to Washington, D.C. Dulles Intl Airport from £358

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — IAD
22 Apr — 29 Apr1
1 adult

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 17 April 2025.

Round-trip from

£541

One-way from

£400

Popular in

July

Cheapest in

February

Average price

£530
SWISS
  • SWISS
  • 8/5-11/5
  • 2 total stops
  • 40h 40m total
  • London to Washington, D.C.
Search Deals
22/5
  • 22/5
  • 2 total stops
  • 18h 55m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 17 April 2025.

Thu 8/519:20LCY - IAD
1 stop24h 55mSWISS
Sun 11/520:45IAD - LCY
1 stop15h 45mSWISS
Deal found 16/4£541
Wed 30/408:45LCY - IAD
1 stop11h 15mMultiple Airlines
Tue 6/520:45IAD - LCY
1 stop10h 45mMultiple Airlines
Deal found 16/4£556
Thu 24/409:05LCY - IAD
1 stop11h 45mBritish Airways
Sun 11/517:20IAD - LCY
1 stop10h 10mBritish Airways
Deal found 16/4£562
Thu 24/409:20LCY - IAD
1 stop11h 15mVirgin Atlantic
Wed 30/417:25IAD - LCY
1 stop9h 45mVirgin Atlantic
Deal found 16/4£572
Fri 25/408:40LCY - IAD
1 stop11h 55mKLM
Mon 12/517:25IAD - LCY
1 stop9h 45mKLM
Deal found 16/4£575
Thu 24/410:00LCY - IAD
1 stop10h 35mDelta
Wed 30/417:25IAD - LCY
1 stop9h 45mDelta
Deal found 16/4£590
Mon 28/416:50LCY - IAD
1 stop26h 50mITA Airways
Tue 6/516:30IAD - LCY
1 stop12h 35mITA Airways
Deal found 16/4£651
Mon 5/509:35LCY - IAD
1 stop11h 00mAir France
Fri 9/517:25IAD - LCY
1 stop9h 45mAir France
Deal found 16/4£711
Sun 4/519:30LCY - IAD
1 stop25h 20mAer Lingus
Sun 18/520:25IAD - LCY
1 stop11h 20mAer Lingus
Deal found 15/4£795

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 17 April 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

Fri 9/5

09:25-16:15

1 stop11h 50m

Washington, D.C. Dulles Intl

Sun 18/5

20:45-17:30

1 stop15h 45m

£530

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 1/5

09:25-16:15

1 stop11h 50m

Washington, D.C. Dulles Intl

Sun 4/5

15:25-16:25

1 stop20h 00m

£542

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 2/5

08:55-15:50

1 stop11h 55m

Washington, D.C. Dulles Intl

Sun 4/5

15:25-09:20

1 stop12h 55m

£545

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 6/5

09:05-15:50

1 stop11h 45m

Washington, D.C. Dulles Intl

Mon 19/5

17:20-08:30

1 stop10h 10m

£560

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 2/5

09:20-15:35

1 stop11h 15m

Washington, D.C. Dulles Intl

Mon 5/5

17:25-08:10

1 stop9h 45m

£570

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 13/5

10:00-15:35

1 stop10h 35m

Washington, D.C. Dulles Intl

Tue 20/5

17:25-18:30

1 stop20h 05m

£571

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 9/5

09:20-15:35

1 stop11h 15m

Washington, D.C. Dulles Intl

Fri 16/5

17:25-09:30

1 stop11h 05m

£624

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 28/4

16:50-14:40

1 stop26h 50m

Washington, D.C. Dulles Intl

Tue 6/5

16:30-10:05

1 stop12h 35m

£651

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 13/5

11:20-15:20

2 stops33h 00m

£358

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 15/5

09:25-16:15

1 stop11h 50m

£489

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 18 results
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from London City Airport to Washington, D.C. Dulles Intl Airport

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 17 April 2025.
Read through reviews of airlines operating flights from London to Washington, D.C., such as Delta, KLM and Air France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,916 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,916 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,327 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,580 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from London City Airport to Washington, D.C. Dulles Intl Airport round-trip?

    Our cheapest airline available from London City Airport to Washington, D.C. Dulles Intl Airport is SWISS. Our recent data shows that you can find tickets from as low as £541 on this airline. Additional options worth looking into are British Airways and Virgin Atlantic, starting at £562 and £572 round-trip.

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

    £489 is the cheapest one-way deal found within the past few days, from SWISS. You may also be able to find cheap deals on Lufthansa and Aer Lingus, with prices starting from £506 and £539, respectively.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from London City Airport to Washington, D.C. Dulles Intl Airport (average of £599). Flying from London City Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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

Travelling to a place near London City Airport?

Book flights to London City Airport if you plan to visit one of these locations
Silver Spring
Arlington
Woodbridge
College Park
Laurel
Tysons

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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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