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Cheap flights from London City Airport to Washington, D.C. Dulles Intl Airport from £346

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — IAD
2 Apr — 9 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 28 March 2025.

Round-trip from

£551

One-way from

£346

Popular in

July

Cheapest in

February

Average price

£525
SWISS
  • SWISS
  • 25/4-29/4
  • 2 total stops
  • 27h 35m total
  • London to Washington, D.C.
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21/5
  • 21/5
  • 2 total stops
  • 32h 31m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
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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 28 March 2025.

Fri 25/409:25LCY - IAD
1 stop11h 50mSWISS
Tue 29/420:45IAD - LCY
1 stop15h 45mSWISS
Deal found 27/3£551
Sat 26/408:40LCY - IAD
1 stop11h 55mKLM
Wed 30/417:25IAD - LCY
1 stop10h 25mKLM
Deal found 27/3£554
Mon 8/909:05LCY - IAD
1 stop11h 45mBritish Airways
Thu 18/917:20IAD - LCY
1 stop10h 15mBritish Airways
Deal found 27/3£557
Tue 29/410:00LCY - IAD
1 stop10h 35mVirgin Atlantic
Thu 22/517:25IAD - LCY
1 stop18h 55mVirgin Atlantic
Deal found 26/3£571
Thu 24/408:45LCY - IAD
1 stop11h 15mMultiple Airlines
Wed 30/420:45IAD - LCY
1 stop10h 45mMultiple Airlines
Deal found 27/3£596
Mon 14/416:50LCY - IAD
1 stop26h 50mITA Airways
Tue 29/416:30IAD - LCY
1 stop18h 45mITA Airways
Deal found 27/3£683
Fri 27/608:55LCY - IAD
1 stop11h 20mLufthansa
Sun 29/615:25IAD - LCY
1 stop20h 00mLufthansa
Deal found 27/3£687
Fri 25/410:00LCY - IAD
1 stop10h 35mDelta
Sat 24/517:25IAD - LCY
1 stop14h 50mDelta
Deal found 27/3£701
Tue 6/509:05LCY - IAD
1 stop11h 45mAer Lingus
Fri 9/517:20IAD - LCY
1 stop13h 15mAer Lingus
Deal found 27/3£743

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 28 March 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 25/4

09:25-16:15

1 stop11h 50m

Washington, D.C. Dulles Intl

Tue 29/4

20:45-17:30

1 stop15h 45m

£551

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Sat 26/4

08:40-15:35

1 stop11h 55m

Washington, D.C. Dulles Intl

Wed 30/4

17:25-08:50

1 stop10h 25m

£554

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 8/9

09:05-15:50

1 stop11h 45m

Washington, D.C. Dulles Intl

Thu 18/9

17:20-08:35

1 stop10h 15m

£557

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 29/4

10:00-15:35

1 stop10h 35m

Washington, D.C. Dulles Intl

Thu 22/5

17:25-17:20

1 stop18h 55m

£571

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 24/4

08:45-15:00

1 stop11h 15m

Washington, D.C. Dulles Intl

Wed 30/4

20:45-12:30

1 stop10h 45m

£596

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 7/5

08:45-15:50

1 stop12h 05m

Washington, D.C. Dulles Intl

Wed 14/5

22:20-16:25

2 stops13h 05m

£660

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 14/4

16:50-14:40

1 stop26h 50m

Washington, D.C. Dulles Intl

Tue 29/4

16:30-16:15

1 stop18h 45m

£683

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 25/4

10:00-15:35

1 stop10h 35m

Washington, D.C. Dulles Intl

Sat 24/5

17:25-13:15

1 stop14h 50m

£701

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 6/5

09:05-15:50

1 stop11h 45m

Washington, D.C. Dulles Intl

Fri 9/5

17:20-11:35

1 stop13h 15m

£743

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 13/6

07:45-15:35

1 stop12h 50m

Washington, D.C. Dulles Intl

Sun 6/7

17:25-08:50

1 stop10h 25m

£769

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 19 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 28 March 2025.
Read through reviews of airlines operating flights from London to Washington, D.C., such as Delta, KLM and SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,897 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
7,897 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
1,321 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
1,570 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
7.4
Good
1,424 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
Aer Lingus
7.0
Good
1,062 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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 £551 on this airline. Additional options worth looking into are KLM and British Airways, starting at £554 and £557 round-trip.

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

    £487 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 £536 and £544, 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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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.

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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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