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

Currently, July is the cheapest month in which you can book a flight from London City Airport to Washington, D.C. (average of $302). Flying from London City Airport to Washington, D.C. in April is currently the most expensive (average of $337). 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. 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. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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).

What are the most popular routes from London City Airport to Washington, D.C.?

The most popular route from London City Airport to Washington, D.C. is London City - Washington, D.C. Dulles Intl. You may also consider London City - Baltimore/Washington or London City - Washington, D.C. Reagan-National.

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

Travelers have found it’s best to book a flight 51 days in advance to save up to 44% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 51 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London City Airport to Washington, D.C. 1-2 weeks in advance for as low as $729, or $1,123 for flights within the next 24 hours.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Washington, D.C.. Flights to Washington, D.C. from London City Airport in February are about $733 on average during February, but can be found for as low as $305.

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

When flying from London City Airport to Washington, D.C., 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 Washington, D.C. that include hotel bookings?

Yes. In addition to deals on London City to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from London City to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London City to Washington, D.C..

Can I find deals for business class flights from London City to Washington, D.C.?

Yes. Cheapflights offers flight deals from London City to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$429+ Flights from London City Airport to Washington, D.C.

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Cheap flight deals from London City to Washington, D.C.

Round-trip from	$630 (Flightnetwork)
One-way from	$429 (Kissandfly.com)
Popular in	July
Cheapest in	February
Average price	$818

From London City to Washington, D.C. (WAS)

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One-way flight from London City to Washington, D.C. (WAS)

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Highest demand for flights based on searches. 11% potential increase in price ($95 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from London City to Washington, D.C.

Cheapest flights from London City to Washington, D.C.
Explore the most affordable flight options available from London City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

Mon 9/18:10 amLCY - IAD

1 stop13h 05mSWISS

Tue 9/98:45 pmIAD - LCY

1 stop10h 45mSWISS

Deal found 8/14

$630

Wed 9/39:25 amLCY - IAD

1 stop11h 50mSWISS

Tue 9/308:45 pmIAD - LCY

1 stop10h 45mSWISS

Deal found 8/14

$631

Tue 9/169:25 amLCY - IAD

1 stop11h 50mSWISS

Tue 9/238:45 pmIAD - LCY

1 stop15h 45mSWISS

Deal found 8/14

$638

Mon 9/298:10 amLCY - IAD

1 stop13h 05mSWISS

Mon 10/68:45 pmIAD - LCY

1 stop15h 30mSWISS

Deal found 8/15

$647

Mon 9/19:25 amLCY - IAD

1 stop11h 50mSWISS

Tue 9/308:45 pmIAD - LCY

1 stop10h 45mSWISS

Deal found 8/15

$655

Mon 9/88:45 amLCY - IAD

1 stop11h 30mMultiple Airlines

Mon 9/158:45 pmIAD - LCY

1 stop10h 45mMultiple Airlines

Deal found 8/12

$657

Thu 10/29:25 amLCY - IAD

1 stop11h 50mSWISS

Tue 10/78:45 pmIAD - LCY

1 stop10h 45mSWISS

Deal found 8/14

$659

Thu 10/98:45 amLCY - IAD

1 stop11h 30mMultiple Airlines

Sat 11/812:40 pmIAD - LCY

2 stops19h 00mMultiple Airlines

Deal found 8/14

$661

Wed 9/39:25 amLCY - IAD

1 stop11h 50mSWISS

Wed 9/108:45 pmIAD - LCY

1 stop15h 30mSWISS

Deal found 8/14

$662

Wed 10/89:25 amLCY - IAD

1 stop11h 50mSWISS

Sat 11/88:30 pmIAD - LCY

1 stop15h 35mSWISS

Deal found 8/14

$665

Thu 9/118:45 amLCY - IAD

1 stop11h 30mMultiple Airlines

Sun 9/2110:15 pmIAD - LCY

1 stop15h 20mMultiple Airlines

Deal found 8/14

$667

Thu 9/118:45 amLCY - BWI

2 stops30h 10mMultiple Airlines

Tue 9/2310:51 amBWI - LCY

2 stops20h 39mMultiple Airlines

Deal found 8/15

$685

Best flights from London City to Washington, D.C.
Discover carefully curated flight deals from London City to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 16, 2025.

Mon 9/18:10 amLCY - IAD

1 stop12h 15mSWISS

Tue 9/308:45 pmIAD - LCY

1 stop10h 45mSWISS

Deal found 8/15

$630

Fri 11/147:20 pmLCY - IAD

1 stop25h 10mMultiple Airlines

Sun 11/165:25 pmIAD - LCY

1 stop20h 15mMultiple Airlines

Deal found 8/14

$655

Wed 9/39:25 amLCY - IAD

1 stop11h 50mSWISS

Tue 9/308:45 pmIAD - LCY

1 stop10h 45mSWISS

Deal found 8/14

$631

Thu 9/118:45 amLCY - DCA

2 stops18h 58mMultiple Airlines

Tue 9/233:30 pmDCA - LCY

2 stops16h 00mMultiple Airlines

Deal found 8/15

$666

Tue 9/169:25 amLCY - IAD

1 stop11h 50mSWISS

Tue 9/238:45 pmIAD - LCY

1 stop15h 45mSWISS

Deal found 8/14

$638

Thu 9/118:45 amLCY - BWI

2 stops30h 10mMultiple Airlines

Tue 9/2310:51 amBWI - LCY

2 stops20h 39mMultiple Airlines

Deal found 8/15

$685

Mon 9/18:10 amLCY - IAD

1 stop12h 15mSWISS

Mon 9/155:45 pmIAD - LCY

1 stop13h 45mSWISS

Deal found 8/15

$655

Wed 9/37:10 pmLCY - DCA

2 stops25h 41mMultiple Airlines

Tue 9/303:30 pmDCA - LCY

2 stops16h 00mMultiple Airlines

Deal found 8/14

$686

Wed 9/39:25 amLCY - IAD

1 stop11h 50mSWISS

Thu 9/118:45 pmIAD - LCY

1 stop10h 45mSWISS

Deal found 8/15

$655

Wed 9/37:10 pmLCY - BWI

2 stops27h 19mMultiple Airlines

Tue 9/306:29 amBWI - LCY

2 stops25h 01mMultiple Airlines

Deal found 8/14

$705

Thu 9/259:25 amLCY - IAD

1 stop11h 50mSWISS

Wed 10/18:45 pmIAD - LCY

1 stop15h 30mSWISS

Deal found 8/15

$655

Sat 11/158:40 amLCY - DCA

2 stops37h 45mMultiple Airlines

Sun 11/307:00 pmDCA - LCY

2 stops16h 40mMultiple Airlines

Deal found 8/14

$708

Last-minute flights from London City to Washington, D.C.
Discover last-minute flight deals from London City to Washington, D.C.. Data last updated August 16, 2025 and is based on user searches.

Wed 8/207:20 pmLCY - IAD

1 stop25h 05mSWISS

Tue 9/98:45 pmIAD - LCY

1 stop10h 45mSWISS

Deal found 8/13

$735

Wed 8/207:20 pmLCY - IAD

1 stop25h 05mSWISS

Fri 9/125:45 pmIAD - LCY

1 stop12h 55mSWISS

Deal found 8/12

$771

Wed 8/207:45 amLCY - IAD

1 stop12h 50mVirgin Atlantic

Wed 9/31:00 pmIAD - LCY

2 stops14h 50mVirgin Atlantic

Deal found 8/13

$792

Wed 8/207:20 pmLCY - IAD

1 stop25h 05mSWISS

Mon 9/85:45 pmIAD - LCY

1 stop13h 45mSWISS

Deal found 8/13

$817

Thu 8/218:45 amLCY - IAD

1 stop11h 30mMultiple Airlines

Wed 9/108:45 pmIAD - LCY

1 stop10h 45mMultiple Airlines

Deal found 8/14

$773

Thu 8/2110:00 amLCY - IAD

2 stops19h 21mVirgin Atlantic

Thu 9/45:25 pmIAD - LCY

1 stop11h 05mVirgin Atlantic

Deal found 8/13

$798

Fri 8/229:20 amLCY - IAD

2 stops20h 01mVirgin Atlantic

Tue 3/36:05 pmIAD - LCY

1 stop10h 25mVirgin Atlantic

Deal found 8/15

$804

Fri 8/228:55 amLCY - DCA

2 stops17h 08mMultiple Airlines

Tue 3/33:00 pmDCA - LCY

2 stops16h 50mMultiple Airlines

Deal found 8/15

$1,248

Sat 8/239:20 amLCY - IAD

1 stop11h 15mKLM

Wed 9/175:25 pmIAD - LCY

1 stop9h 45mKLM

Deal found 8/13

$822

Mon 8/2510:00 amLCY - IAD

1 stop10h 35mDelta

Tue 9/95:25 pmIAD - LCY

1 stop9h 45mDelta

Deal found 8/13

$710

Mon 8/2510:00 amLCY - IAD

1 stop10h 35mKLM

Wed 9/175:25 pmIAD - LCY

1 stop9h 45mKLM

Deal found 8/15

$714

Mon 8/2510:00 amLCY - IAD

1 stop10h 35mKLM

Sat 9/135:25 pmIAD - LCY

1 stop14h 50mKLM

Deal found 8/13

$741

One-way flights from London City to Washington, D.C.
Search for one-way flight options from London City to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 16, 2025.

Wed 8/276:50 pmLCY - BWI

2 stops51h 50mMultiple Airlines

Deal found 8/15

$429

Fri 9/127:00 pmLCY - BWI

3 stops27h 40mMultiple Airlines

Deal found 8/15

$436

Wed 9/177:15 amLCY - BWI

2 stops15h 25mMultiple Airlines

Deal found 8/15

$459

Tue 9/97:45 amLCY - BWI

2 stops14h 55mMultiple Airlines

Deal found 8/15

$470

Wed 9/107:15 amLCY - BWI

2 stops15h 25mMultiple Airlines

Deal found 8/14

$472

Mon 10/67:45 amLCY - BWI

2 stops14h 55mMultiple Airlines

Deal found 8/14

$480

Fri 8/297:45 amLCY - BWI

2 stops14h 55mMultiple Airlines

Deal found 8/14

$496

Fri 9/58:10 pmLCY - BWI

3 stops26h 30mMultiple Airlines

Deal found 8/15

$512

Wed 9/109:25 amLCY - IAD

2 stops16h 25mMultiple Airlines

Deal found 8/14

$537

Thu 9/119:25 amLCY - IAD

2 stops16h 25mMultiple Airlines

Deal found 8/14

$551

Tue 8/269:25 amLCY - IAD

2 stops16h 25mMultiple Airlines

Deal found 8/15

$602

Sat 9/67:05 amLCY - IAD

2 stops20h 05mMultiple Airlines

Deal found 8/14

$612

Cheapflights Fare Finder

Use the filters below to find and compare flights from London City Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 9/1

8:10 am-3:25 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Tue 9/30

8:45 pm-12:30 pm

1 stop10h 45m

$630

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 9/3

9:25 am-4:15 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Tue 9/30

8:45 pm-12:30 pm

1 stop10h 45m

$631

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 9/16

9:25 am-4:15 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Tue 9/23

8:45 pm-5:30 pm

1 stop15h 45m

$638

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 11/14

7:20 pm-3:30 pm

1 stop25h 10m

Washington, D.C. Dulles Intl

Sun 11/16

5:25 pm-6:40 pm

1 stop20h 15m

$655

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 9/1

8:10 am-3:25 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Mon 9/15

5:45 pm-12:30 pm

1 stop13h 45m

$655

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 9/3

9:25 am-4:15 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Thu 9/11

8:45 pm-12:30 pm

1 stop10h 45m

$655

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 9/25

9:25 am-4:15 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Wed 10/1

8:45 pm-5:15 pm

1 stop15h 30m

$655

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Tue 9/9

9:25 am-4:15 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Tue 9/23

8:45 pm-12:30 pm

1 stop10h 45m

$655

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 9/4

9:25 am-4:15 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Thu 9/11

8:45 pm-12:30 pm

1 stop10h 45m

$655

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 9/1

9:25 am-4:15 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Tue 9/9

8:45 pm-12:30 pm

1 stop10h 45m

$655

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Showing 1-10 of 58 results

...

Best time to book a flight from London City to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

No data available for this route at this time. Please check back soon.

Related info for your journey

What are the most popular routes from London City Airport to Washington, D.C.?
The most popular route from London City Airport to Washington, D.C. is London City - Washington, D.C. Dulles Intl. You may also consider London City - Baltimore/Washington or London City - Washington, D.C. Reagan-National.
Can I find deals for flights from London City to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on London City to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London City to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London City to Washington, D.C..
Can I find deals for business class flights from London City to Washington, D.C.?
Yes. Cheapflights offers flight deals from London City to Washington, D.C. 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.?
Currently, July is the cheapest month in which you can book a flight from London City Airport to Washington, D.C. (average of $302). Flying from London City Airport to Washington, D.C. in April is currently the most expensive (average of $337). 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.

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$429+ Cheap flights from London City (LCY) to Washington, D.C. (WAS)

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from London City to Washington, D.C. with Cheapflights

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Cheap flight deals from London City to Washington, D.C.

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Average price

Find flight deals from London City to Washington, D.C.

Cheapest flights from London City to Washington, D.C.Explore the most affordable flight options available from London City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

Explore the most affordable flight options available from London City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London City Airport to Washington, D.C. that are best for you.

Best time to book a flight from London City to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from London City with our price prediction graph.

Cheapflights Insights

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

Related info for your journey

Find useful and relevant information for your journey from London City to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the most popular routes from London City Airport to Washington, D.C.?

Can I find deals for flights from London City to Washington, D.C. that include hotel bookings?

How can I find direct flights from London City to Washington, D.C.?

Can I find deals for business class flights from London City to Washington, D.C.?

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

Traveling to a place near Washington, D.C.?

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Cheapest flights from London City to Washington, D.C.
Explore the most affordable flight options available from London City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.