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Dulles Intl

$567+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — IAD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$659
(Virgin Atlantic)

One-way from

$567
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$833
From London City to Washington, D.C. Dulles Intl
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One-way flight from London City to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 14% potential increase in price ($125 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:20 amLCY - IAD
1 stop11h 15mVirgin Atlantic
Tue 9/301:00 pmIAD - LCY
2 stops14h 10mVirgin Atlantic
Deal found 6/10$659
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/189:25 amLCY - IAD
1 stop11h 50mSWISS
Sun 9/148:45 pmIAD - LCY
1 stop15h 45mSWISS
Deal found 6/11$677
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/410:00 amLCY - IAD
1 stop10h 45mKLM
Fri 11/75:35 pmIAD - LCY
1 stop10h 55mKLM
Deal found 6/11$698
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2210:00 amLCY - IAD
1 stop10h 35mDelta
Sat 11/295:35 pmIAD - LCY
1 stop14h 40mDelta
Deal found 6/10$739
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:05 amLCY - IAD
1 stop11h 45mBritish Airways
Mon 9/225:20 pmIAD - LCY
1 stop10h 10mBritish Airways
Deal found 6/10$762
This lol.travel deal was found by Cheapflights users on 6/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/238:40 amLCY - IAD
1 stop11h 55mMultiple Airlines
Mon 6/305:25 pmIAD - LCY
1 stop10h 25mMultiple Airlines
Deal found 6/12$787
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:40 amLCY - IAD
2 stops33h 00mITA Airways
Thu 10/94:30 pmIAD - LCY
1 stop12h 35mITA Airways
Deal found 6/10$882

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 12, 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

Tue 9/16

9:20 am-3:35 pm

1 stop11h 15m

Washington, D.C. Dulles Intl

Tue 9/30

1:00 pm-8:10 am

2 stops14h 10m

$659

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 10/31

1:30 pm-5:30 pm

1 stop32h 00m

Washington, D.C. Dulles Intl

Mon 11/3

5:25 pm-5:05 pm

1 stop18h 40m

$678

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 11/4

10:00 am-3:45 pm

1 stop10h 45m

Washington, D.C. Dulles Intl

Fri 11/7

5:35 pm-9:30 am

1 stop10h 55m

$698

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 8/22

10:00 am-3:35 pm

1 stop10h 35m

Washington, D.C. Dulles Intl

Sat 11/29

5:35 pm-1:15 pm

1 stop14h 40m

$739

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 9/17

9:05 am-3:50 pm

1 stop11h 45m

Washington, D.C. Dulles Intl

Mon 9/22

5:20 pm-8:30 am

1 stop10h 10m

$762

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 6/23

8:40 am-3:35 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Mon 6/30

5:25 pm-8:50 am

1 stop10h 25m

$787

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 9/18

10:40 am-2:40 pm

2 stops33h 00m

Washington, D.C. Dulles Intl

Thu 10/9

4:30 pm-10:05 am

1 stop12h 35m

$882

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 10/6

6:45 am-3:50 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Mon 10/20

8:25 pm-12:45 pm

1 stop11h 20m

$976

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 7/3

7:00 am-10:16 am

2 stops32h 16m

$567

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 11/28

9:25 am-4:30 pm

1 stop12h 05m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 15 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 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.

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 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and SWISS from London to Washington, D.C. to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,117 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    Cheapflights users have booked flights from London City Airport to Washington, D.C. Dulles Intl Airport round-trip from $659. Other airlines that can offer you cheap pricing are SWISS, from $678, and KLM, from $698.

  • 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 $635 on SWISS. Other airlines that offer cheap prices include Aer Lingus from $699 and British Airways from $791 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 $309). Flying from London City Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 London City Airport?

Book flights to London City Airport if you plan to visit one of these locations
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Alexandria
Woodbridge
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Silver Spring
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Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
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Sterling
Bowie
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National Harbor
Springfield
Manassas

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