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 $657. Other airlines that can offer you cheap pricing are Lufthansa, from $658, and Virgin Atlantic, from $659.

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 $630 on Lufthansa. Other airlines that offer cheap prices include SWISS from $631 and Aer Lingus from $744 one-way.

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 $345). 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.

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.

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).

How far in advance should I book a flight from London City Airport to Washington, D.C. Dulles Intl Airport?

To save on the cost of your flight from London City Airport to Washington, D.C. Dulles Intl Airport, book at least 50 days before your planned departure. Booking around this time can save you about 30% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $748 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,036.

What is the cheapest month to fly from London City Airport to Washington, D.C. Dulles Intl Airport?

The best pricing can be found in the month of February. Prices to Washington, D.C. Dulles Intl Airport from London City Airport average $742. You can even find prices in February for less than $742, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as $305. The month of July appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from London City Airport. Flying in the targeted month can save you up to 20%.

What is the cheapest time of day to fly from LCY to IAD?

When flying from London City Airport to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$550+ Flights from London City Airport to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from London City to Dulles Intl

Round-trip from	$657
One-way from	$550 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$893

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. 14% potential increase in price ($123 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 3, 2025.

Sat 9/69:20 amLCY - IAD

1 stop11h 55mSWISS

Sat 9/138:45 pmIAD - LCY

1 stop12h 00mSWISS

Deal found 7/1

$657

Fri 8/298:55 amLCY - IAD

1 stop11h 20mLufthansa

Wed 10/86:10 pmIAD - LCY

1 stop19h 25mLufthansa

Deal found 7/2

$658

Thu 9/1810:00 amLCY - IAD

1 stop10h 35mVirgin Atlantic

Fri 9/267:20 amIAD - LCY

2 stops19h 50mVirgin Atlantic

Deal found 7/1

$659

Thu 8/288:45 amLCY - IAD

1 stop11h 30mMultiple Airlines

Wed 9/108:45 pmIAD - LCY

1 stop10h 45mMultiple Airlines

Deal found 7/3

$661

Wed 9/108:40 amLCY - IAD

1 stop11h 55mKLM

Wed 2/45:35 pmIAD - LCY

1 stop10h 15mKLM

Deal found 7/2

$679

Best flights from London City to Dulles Intl
Discover carefully curated flight deals from London City to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sat 9/69:20 amLCY - IAD

1 stop11h 55mSWISS

Sat 9/138:45 pmIAD - LCY

1 stop12h 00mSWISS

Deal found 7/1

$657

Fri 8/298:55 amLCY - IAD

1 stop11h 20mLufthansa

Wed 10/86:10 pmIAD - LCY

1 stop19h 25mLufthansa

Deal found 7/2

$658

Thu 9/1810:00 amLCY - IAD

1 stop10h 35mVirgin Atlantic

Fri 9/267:20 amIAD - LCY

2 stops19h 50mVirgin Atlantic

Deal found 7/1

$659

Thu 8/288:45 amLCY - IAD

1 stop11h 30mMultiple Airlines

Wed 9/108:45 pmIAD - LCY

1 stop10h 45mMultiple Airlines

Deal found 7/3

$661

Wed 9/108:40 amLCY - IAD

1 stop11h 55mKLM

Wed 2/45:35 pmIAD - LCY

1 stop10h 15mKLM

Deal found 7/2

$679

Last-minute flights from London City to Dulles Intl
Discover last-minute flight deals from London City to Dulles Intl. Data last updated July 3, 2025 and is based on user searches.

Mon 7/74:50 pmLCY - IAD

1 stop26h 50mITA Airways

Mon 7/214:30 pmIAD - LCY

1 stop12h 35mITA Airways

Deal found 7/2

$945

Wed 7/99:20 amLCY - IAD

1 stop11h 15mKLM

Tue 7/225:25 pmIAD - LCY

1 stop10h 25mKLM

Deal found 7/2

$845

Wed 7/97:45 amLCY - IAD

1 stop12h 50mVirgin Atlantic

Tue 7/221:00 pmIAD - LCY

2 stops14h 50mVirgin Atlantic

Deal found 7/1

$889

Wed 7/94:50 pmLCY - IAD

1 stop26h 50mITA Airways

Sun 7/204:30 pmIAD - LCY

1 stop12h 35mITA Airways

Deal found 7/3

$946

Wed 7/97:10 pmLCY - IAD

1 stop23h 20mLufthansa

Thu 8/710:10 pmIAD - LCY

1 stop15h 25mLufthansa

Deal found 7/2

$974

Thu 7/108:45 amLCY - IAD

1 stop11h 30mMultiple Airlines

Mon 7/288:45 pmIAD - LCY

1 stop10h 45mMultiple Airlines

Deal found 7/2

$924

Sat 7/129:20 amLCY - IAD

1 stop11h 55mSWISS

Sat 7/198:45 pmIAD - LCY

1 stop31h 05mSWISS

Deal found 7/2

$1,272

Sun 8/247:05 pmLCY - IAD

1 stop25h 30mVirgin Atlantic

Tue 9/95:25 pmIAD - LCY

1 stop11h 05mVirgin Atlantic

Deal found 7/3

$678

Tue 8/269:05 amLCY - IAD

1 stop11h 45mBritish Airways

Sun 8/318:25 pmIAD - LCY

1 stop17h 00mBritish Airways

Deal found 7/2

$922

Thu 8/288:45 amLCY - IAD

1 stop11h 30mMultiple Airlines

Wed 9/108:45 pmIAD - LCY

1 stop10h 45mMultiple Airlines

Deal found 7/3

$661

Thu 8/2810:00 amLCY - IAD

1 stop10h 35mKLM

Wed 9/105:25 pmIAD - LCY

1 stop9h 45mKLM

Deal found 7/3

$681

Fri 8/298:55 amLCY - IAD

1 stop11h 20mLufthansa

Wed 10/86:10 pmIAD - LCY

1 stop19h 25mLufthansa

Deal found 7/2

$658

One-way flights from London City to Dulles Intl
Search for one-way flight options from London City to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Tue 10/76:45 amLCY - IAD

2 stops18h 14mMultiple Airlines

Deal found 7/2

$550

Wed 9/178:45 amLCY - IAD

1 stop11h 30mLufthansa

Deal found 7/2

$630

Wed 9/39:25 amLCY - IAD

1 stop11h 50mSWISS

Deal found 7/1

$631

Mon 11/176:50 amLCY - IAD

1 stop17h 40mAer Lingus

Deal found 7/1

$744

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Sat 9/6

9:20 am-4:15 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Sat 9/13

8:45 pm-1:45 pm

1 stop12h 00m

$657

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 8/29

8:55 am-3:15 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Wed 10/8

6:10 pm-6:35 pm

1 stop19h 25m

$658

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 9/18

10:00 am-3:35 pm

1 stop10h 35m

Washington, D.C. Dulles Intl

Fri 9/26

7:20 am-8:10 am

2 stops19h 50m

$659

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 8/28

8:45 am-3:15 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Wed 9/10

8:45 pm-12:30 pm

1 stop10h 45m

$661

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 9/10

8:40 am-3:35 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Wed 2/4

5:35 pm-8:50 am

1 stop10h 15m

$679

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 10/7

6:45 am-7:59 pm

2 stops18h 14m

$550

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 9/17

8:45 am-3:15 pm

1 stop11h 30m

$630

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 9/3

9:25 am-4:15 pm

1 stop11h 50m

$631

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 11/17

6:50 am-7:30 pm

1 stop17h 40m

$744

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 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.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with KLM, SWISS, and Virgin Atlantic from London City Airport to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,366 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,366 reviews

KLM

7.8

Good

1,366 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

SWISS

7.5

Good

1,654 reviews

KLM

7.8

Good

1,366 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Virgin Atlantic

7.4

Good

654 reviews

KLM

7.8

Good

1,366 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Aer Lingus

7.1

Good

1,144 reviews

KLM

7.8

Good

1,366 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Lufthansa

6.8

Okay

7,207 reviews

KLM

7.8

Good

1,366 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

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 $657. Other airlines that can offer you cheap pricing are Lufthansa, from $658, and Virgin Atlantic, from $659.
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 $630 on Lufthansa. Other airlines that offer cheap prices include SWISS from $631 and Aer Lingus from $744 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 $345). 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

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Woodbridge

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Manassas

Dundalk

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$550+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from London City to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from London City to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from London City to Dulles Intl

Cheapest flights from London City to Dulles IntlExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

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.

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.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with KLM, SWISS, and Virgin Atlantic from London City Airport to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

Can I find deals for flights from London City to Dulles Intl that include hotel bookings?

How can I find direct flights from London City to Dulles Intl?

Can I find deals for business class flights from London City to Dulles Intl?

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

Traveling to a place near London City Airport?

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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London City to Dulles Intl

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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 July 3, 2025.