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

According to our current data, SWISS ($564), Delta ($570), and Virgin Atlantic ($574) offers the cheapest pricing from Washington, D.C. to London City Airport. Users have found that SWISS is 36% cheaper than the other options available to this destination.

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

The cheapest airlines for a one-way flight from Washington, D.C. to London City Airport are SWISS ($371), ITA Airways ($398), and United Airlines ($426).

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

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to London City Airport (average of $686). Flying from Washington, D.C. to London City Airport in July is currently the most expensive (average of $1,046). 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.

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

Travelers seeking maximum savings on their Washington, D.C. to London City Airport flight should consider departing on Sunday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in London City Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London City Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London City 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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

Most travelers choose Washington, D.C. Dulles Intl - London City, Washington, D.C. Reagan-National - London City or Baltimore/Washington - London City when deciding on the best route from Washington, D.C. to London City Airport.

What is the cheapest day to fly round-trip from Washington, D.C. to London City Airport?

Travelers have found that booking a Saturday departure is the best way to save up to 33% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Travelers have found it’s best to book a flight 48 days in advance to save up to 37% 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 48 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 Washington, D.C. to London City Airport 1-2 weeks in advance for as low as $802, or $933 for flights within the next 24 hours.

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

Our data shows that January tends to be the cheapest month to fly to London City Airport from Washington, D.C.. Users have commonly found prices around $741 for the month, but tickets can be as low as $385. Due to multiple factors, prepare for potentially higher prices in June.

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

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

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

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

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

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

$303+ Flights from Washington, D.C. to London City Airport

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

Round-trip from	$564 (Gurufare)
One-way from	$303 (Kiwi.com)
Popular in	December
Cheapest in	March
Average price	$875

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($176 potential increase over avg. RT price).

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Cheapest flight prices on average. 8% potential price decrease ($72 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 Washington, D.C. to London City

Cheapest flights from Washington, D.C. to London City
Explore the most affordable flight options available from Washington, D.C. to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Wed 9/38:45 pmIAD - LCY

1 stop15h 30mSWISS

Thu 9/119:25 amLCY - IAD

1 stop11h 50mSWISS

Deal found 7/2

$564

Mon 11/39:00 pmIAD - LCY

1 stop10h 40mMultiple Airlines

Mon 11/176:50 amLCY - IAD

1 stop13h 45mMultiple Airlines

Deal found 7/1

$567

Wed 9/35:25 pmIAD - LCY

1 stop10h 25mDelta

Tue 10/2110:00 amLCY - IAD

1 stop10h 35mDelta

Deal found 7/1

$570

Mon 8/1812:13 pmIAD - LCY

2 stops16h 17mVirgin Atlantic

Fri 8/297:45 amLCY - IAD

1 stop12h 50mVirgin Atlantic

Deal found 7/1

$574

Mon 8/185:25 pmIAD - LCY

1 stop18h 55mKLM

Mon 8/257:00 pmLCY - IAD

1 stop25h 35mKLM

Deal found 7/2

$583

Mon 8/113:25 pmIAD - LCY

1 stop11h 45mLufthansa

Mon 8/257:10 pmLCY - IAD

1 stop23h 20mLufthansa

Deal found 6/30

$631

Wed 10/11:00 pmBWI - LCY

2 stops13h 15mDelta

Mon 10/69:20 amLCY - BWI

2 stops17h 23mDelta

Deal found 6/30

$635

Mon 8/186:15 amBWI - LCY

2 stops25h 15mMultiple Airlines

Mon 8/256:05 pmLCY - BWI

2 stops32h 37mMultiple Airlines

Deal found 7/1

$671

Mon 10/62:00 pmDCA - LCY

2 stops17h 30mMultiple Airlines

Tue 10/147:20 pmLCY - DCA

2 stops26h 02mMultiple Airlines

Deal found 7/1

$681

Wed 7/162:54 pmDCA - LCY

2 stops22h 31mIberia

Sun 7/204:20 pmLCY - DCA

2 stops35h 51mIberia

Deal found 7/2

$817

Wed 7/1611:00 amDCA - LCY

2 stops24h 15mITA Airways

Thu 7/248:30 amLCY - DCA

2 stops20h 05mITA Airways

Deal found 7/1

$904

Mon 9/296:05 amDCA - LCY

2 stops21h 45mVirgin Atlantic

Fri 10/39:20 amLCY - DCA

2 stops14h 39mVirgin Atlantic

Deal found 7/1

$1,030

Best flights from Washington, D.C. to London City
Discover carefully curated flight deals from Washington, D.C. to London City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Wed 9/248:45 pmIAD - LCY

1 stop10h 45mSWISS

Tue 9/309:25 amLCY - IAD

1 stop11h 50mSWISS

Deal found 7/2

$564

Tue 8/265:20 pmIAD - LCY

1 stop10h 10mMultiple Airlines

Sat 12/1311:25 amLCY - IAD

1 stop13h 05mMultiple Airlines

Deal found 7/2

$568

Wed 9/35:25 pmIAD - LCY

1 stop10h 25mDelta

Tue 10/2110:00 amLCY - IAD

1 stop10h 35mDelta

Deal found 7/1

$570

Mon 8/1812:13 pmIAD - LCY

2 stops16h 17mVirgin Atlantic

Wed 8/277:45 amLCY - IAD

1 stop12h 50mVirgin Atlantic

Deal found 7/1

$574

Tue 8/195:25 pmIAD - LCY

1 stop11h 05mKLM

Mon 8/257:00 pmLCY - IAD

1 stop25h 35mKLM

Deal found 7/1

$584

Mon 8/113:25 pmIAD - LCY

1 stop11h 45mLufthansa

Mon 8/257:10 pmLCY - IAD

1 stop23h 20mLufthansa

Deal found 6/30

$631

Tue 7/2912:12 pmIAD - LCY

2 stops16h 53mITA Airways

Wed 8/274:50 pmLCY - IAD

1 stop26h 50mITA Airways

Deal found 6/30

$644

Wed 7/236:00 amDCA - LCY

2 stops31h 25mBritish Airways

Tue 8/195:20 pmLCY - DCA

2 stops31h 39mBritish Airways

Deal found 6/30

$773

Wed 7/162:54 pmDCA - LCY

2 stops22h 31mIberia

Sun 7/204:20 pmLCY - DCA

2 stops35h 51mIberia

Deal found 7/2

$817

Tue 9/211:35 amBWI - LCY

2 stops14h 40mDelta

Sat 9/138:40 amLCY - BWI

2 stops15h 20mDelta

Deal found 6/30

$635

Mon 8/186:15 amBWI - LCY

2 stops25h 15mMultiple Airlines

Mon 8/256:05 pmLCY - BWI

2 stops32h 37mMultiple Airlines

Deal found 7/1

$671

Fri 9/55:00 pmDCA - LCY

2 stops13h 40mKLM

Sun 9/78:45 pmLCY - DCA

2 stops25h 20mKLM

Deal found 6/30

$685

Last-minute flights from Washington, D.C. to London City
Discover last-minute flight deals from Washington, D.C. to London City. Data last updated July 2, 2025 and is based on user searches.

Mon 7/78:45 pmIAD - LCY

1 stop10h 45mSWISS

Tue 7/227:20 pmLCY - IAD

1 stop25h 55mSWISS

Deal found 6/30

$634

Mon 7/75:25 pmIAD - LCY

1 stop10h 25mDelta

Sat 10/258:40 amLCY - IAD

1 stop11h 55mDelta

Deal found 6/29

$653

Mon 7/75:45 amBWI - LCY

2 stops22h 05mMultiple Airlines

Mon 7/148:45 amLCY - BWI

3 stops18h 36mMultiple Airlines

Deal found 6/30

$864

Mon 7/72:00 pmDCA - LCY

2 stops17h 30mMultiple Airlines

Mon 7/146:05 pmLCY - DCA

2 stops27h 24mMultiple Airlines

Deal found 6/30

$1,215

Tue 7/84:30 pmIAD - LCY

1 stop18h 45mITA Airways

Thu 9/44:50 pmLCY - IAD

1 stop26h 50mITA Airways

Deal found 6/29

$713

Tue 7/86:05 amDCA - LCY

2 stops29h 10mITA Airways

Tue 7/154:50 pmLCY - DCA

2 stops35h 45mITA Airways

Deal found 7/1

$931

Wed 7/95:25 pmIAD - LCY

1 stop10h 25mKLM

Thu 9/410:00 amLCY - IAD

1 stop10h 35mKLM

Deal found 6/29

$603

Wed 7/95:25 pmIAD - LCY

1 stop10h 25mVirgin Atlantic

Thu 8/217:45 amLCY - IAD

2 stops21h 36mVirgin Atlantic

Deal found 6/30

$613

Wed 7/91:25 pmDCA - LCY

2 stops14h 25mDelta

Mon 7/147:45 amLCY - DCA

2 stops15h 29mDelta

Deal found 7/1

$1,256

Thu 7/101:08 pmBWI - LCY

2 stops14h 42mDelta

Wed 8/1310:00 amLCY - BWI

2 stops17h 48mDelta

Deal found 6/30

$711

Wed 7/162:54 pmDCA - LCY

2 stops22h 31mIberia

Sun 7/204:20 pmLCY - DCA

2 stops35h 51mIberia

Deal found 7/2

$817

Wed 7/1611:00 amDCA - LCY

2 stops24h 15mITA Airways

Thu 7/248:30 amLCY - DCA

2 stops20h 05mITA Airways

Deal found 7/1

$904

One-way flights from Washington, D.C. to London City
Search for one-way flight options from Washington, D.C. to London City. Find affordable one-way fares based on user searches. Data last updated July 2, 2025.

Wed 7/307:10 amBWI - LCY

2 stops20h 40mMultiple Airlines

Deal found 6/30

$303

Mon 7/1410:20 pmIAD - LCY

2 stops41h 25mMultiple Airlines

Deal found 6/30

$350

Sun 7/208:45 pmIAD - LCY

1 stop31h 05mSWISS

Deal found 7/1

$371

Mon 7/214:30 pmIAD - LCY

1 stop12h 35mITA Airways

Deal found 7/1

$398

Tue 7/224:51 pmDCA - LCY

2 stops18h 24mITA Airways

Deal found 7/2

$425

Wed 7/301:00 pmDCA - LCY

2 stops18h 30mUnited Airlines

Deal found 6/30

$426

Wed 7/305:10 pmIAD - LCY

2 stops14h 20mUnited Airlines

Deal found 7/1

$426

Sun 8/176:15 amBWI - LCY

2 stops25h 15mUnited Airlines

Deal found 6/30

$426

Wed 9/36:10 pmIAD - LCY

1 stop17h 15mLufthansa

Deal found 6/30

$427

Wed 9/245:25 pmIAD - LCY

1 stop10h 25mKLM

Deal found 7/1

$446

Sun 8/33:59 pmDCA - LCY

2 stops14h 31mBritish Airways

Deal found 7/2

$447

Thu 7/241:00 pmDCA - LCY

2 stops18h 30mMultiple Airlines

Deal found 7/2

$476

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 9/3

8:45 pm-5:15 pm

1 stop15h 30m

London City

Thu 9/11

9:25 am-4:15 pm

1 stop11h 50m

$564

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 11/3

9:00 pm-12:40 pm

1 stop10h 40m

London City

Mon 11/17

6:50 am-3:35 pm

1 stop13h 45m

$567

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 9/3

5:25 pm-8:10 am

1 stop9h 45m

London City

Wed 10/15

8:40 am-3:35 pm

1 stop11h 55m

$570

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 8/18

12:13 pm-9:30 am

2 stops16h 17m

London City

Tue 8/26

7:45 am-3:35 pm

1 stop12h 50m

$574

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 8/31

5:25 pm-8:10 am

1 stop9h 45m

London City

Fri 10/24

10:00 am-3:35 pm

1 stop10h 35m

$603

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 8/11

3:25 pm-8:10 am

1 stop11h 45m

London City

Mon 8/25

7:10 pm-1:30 pm

1 stop23h 20m

$631

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Tue 9/2

11:35 am-7:15 am

2 stops14h 40m

London City

Sat 9/13

8:40 am-7:00 pm

2 stops15h 20m

$635

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Mon 8/18

6:15 am-12:30 pm

2 stops25h 15m

London City

Mon 8/25

6:05 pm-9:42 pm

2 stops32h 37m

$671

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Mon 10/6

2:00 pm-12:30 pm

2 stops17h 30m

London City

Tue 10/14

7:20 pm-4:22 pm

2 stops26h 02m

$681

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 7/16

2:54 pm-6:25 pm

2 stops22h 31m

London City

Sun 7/20

4:20 pm-11:11 pm

2 stops35h 51m

$817

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 24 results

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

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

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

One of the essential ways to save on airfare from Washington, D.C. to London City Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 16% on airfare.

How much does it cost to fly round-trip from Washington, D.C. to London City Airport?

Reviews of airlines servicing London City

Read reviews from past customers who have flown Delta, KLM, and SWISS from Washington, D.C. to London City Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,983 reviews

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

7,983 reviews

Delta

8.0

Very good

7,983 reviews

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

1,366 reviews

Delta

8.0

Very good

7,983 reviews

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

1,654 reviews

Delta

8.0

Very good

7,983 reviews

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!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,983 reviews

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

654 reviews

Delta

8.0

Very good

7,983 reviews

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

What are the cheapest airlines flying from Washington, D.C. to London City Airport round-trip?
According to our current data, SWISS ($564), Delta ($570), and Virgin Atlantic ($574) offers the cheapest pricing from Washington, D.C. to London City Airport. Users have found that SWISS is 36% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Washington, D.C. to London City Airport one-way?
The cheapest airlines for a one-way flight from Washington, D.C. to London City Airport are SWISS ($371), ITA Airways ($398), and United Airlines ($426).
What are the most popular routes from Washington, D.C. to London City Airport?
Most travelers choose Washington, D.C. Dulles Intl - London City, Washington, D.C. Reagan-National - London City or Baltimore/Washington - London City when deciding on the best route from Washington, D.C. to London City Airport.
Can I find deals for flights from Washington, D.C. to London City that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to London City flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to London City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to London City.
Can I find deals for business class flights from Washington, D.C. to London City?
Yes. Cheapflights offers flight deals from Washington, D.C. to London City 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 Washington, D.C. to London City Airport?
Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to London City Airport (average of $686). Flying from Washington, D.C. to London City Airport in July is currently the most expensive (average of $1,046). 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

Hounslow

Hayes

Thornton Heath

Canterbury

Harrow

Dover

Gatwick

Orpington

Watford

Croydon

Folkestone

Borehamwood

Aylesbury

Chelmsford

Brentwood

Chichester

Arundel

Milton Keynes

Bishop's Stortford

Dartford

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Alternative routes for Washington, D.C. to London City

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$303+ Cheap flights from Washington, D.C. (WAS) to London City (LCY)

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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.

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

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

Cheapest flights from Washington, D.C. to London CityExplore the most affordable flight options available from Washington, D.C. to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from Washington, D.C. to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

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

Find hourly flight availability from Washington, D.C. to London City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

How much does it cost to fly round-trip from Washington, D.C. to London City Airport?

Reviews of airlines servicing London City

Read reviews from past customers who have flown Delta, KLM, and SWISS from Washington, D.C. to London City Airport. Users can see the overall rating for each airline as well as how each is rated 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 Washington, D.C. to London City. 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 Washington, D.C. to London City Airport round-trip?

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

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

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

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

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

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

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Alternative routes for Washington, D.C. to London City

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Cheapest flights from Washington, D.C. to London City
Explore the most affordable flight options available from Washington, D.C. to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.