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

According to our current data, SWISS ($663), ITA Airways ($665), and Lufthansa ($674) offers the cheapest pricing from Washington, D.C. to London City Airport. Users have found that SWISS is 25% 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 ITA Airways ($394), SWISS ($419), and United Airlines ($420).

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.

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 30% 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 $899 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 $743 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.

$350+ 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	$663 (SWISS)
One-way from	$350 (Kiwi.com)
Popular in	December
Cheapest in	March
Average price	$1,195

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 June 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 June 12, 2025.

Tue 9/28:45 pmIAD - LCY

1 stop17h 00mSWISS

Tue 9/97:20 pmLCY - IAD

1 stop25h 55mSWISS

Deal found 6/10

$663

Tue 8/264:30 pmIAD - LCY

1 stop12h 35mITA Airways

Mon 9/14:50 pmLCY - IAD

1 stop26h 50mITA Airways

Deal found 6/12

$665

Wed 9/38:45 pmIAD - LCY

1 stop10h 45mMultiple Airlines

Wed 9/108:45 amLCY - IAD

1 stop12h 05mMultiple Airlines

Deal found 6/10

$668

Tue 9/26:10 pmIAD - LCY

1 stop17h 15mLufthansa

Wed 10/158:45 amLCY - IAD

1 stop12h 05mLufthansa

Deal found 6/10

$674

Wed 10/223:30 pmDCA - LCY

2 stops16h 00mMultiple Airlines

Tue 11/47:10 pmLCY - DCA

2 stops27h 13mMultiple Airlines

Deal found 6/12

$677

Tue 8/56:15 amBWI - LCY

2 stops25h 15mMultiple Airlines

Wed 8/207:20 pmLCY - BWI

2 stops27h 09mMultiple Airlines

Deal found 6/10

$677

Wed 7/95:25 pmIAD - LCY

1 stop10h 25mKLM

Wed 7/2310:00 amLCY - IAD

1 stop10h 35mKLM

Deal found 6/10

$690

Wed 7/165:25 pmIAD - LCY

1 stop21h 15mVirgin Atlantic

Sun 7/208:45 pmLCY - IAD

1 stop23h 50mVirgin Atlantic

Deal found 6/11

$692

Thu 7/101:08 pmBWI - LCY

2 stops13h 07mDelta

Wed 8/137:45 amLCY - BWI

2 stops14h 07mDelta

Deal found 6/11

$707

Tue 9/911:35 amBWI - LCY

2 stops14h 40mKLM

Fri 9/199:20 amLCY - BWI

2 stops17h 23mKLM

Deal found 6/10

$726

Tue 9/24:35 pmIAD - LCY

2 stops42h 55mIberia

Tue 9/911:20 amLCY - IAD

2 stops32h 40mIberia

Deal found 6/10

$747

Fri 9/55:25 pmIAD - LCY

1 stop13h 15mDelta

Tue 9/167:45 amLCY - IAD

1 stop12h 50mDelta

Deal found 6/10

$762

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 June 12, 2025.

Tue 9/28:45 pmIAD - LCY

1 stop17h 00mSWISS

Tue 9/97:20 pmLCY - IAD

1 stop25h 55mSWISS

Deal found 6/10

$663

Tue 8/264:30 pmIAD - LCY

1 stop12h 35mITA Airways

Wed 9/38:30 amLCY - IAD

1 stop35h 10mITA Airways

Deal found 6/12

$665

Wed 9/38:45 pmIAD - LCY

1 stop10h 45mMultiple Airlines

Wed 9/178:45 amLCY - IAD

1 stop12h 05mMultiple Airlines

Deal found 6/12

$668

Tue 9/26:10 pmIAD - LCY

1 stop17h 15mLufthansa

Wed 10/228:45 amLCY - IAD

1 stop12h 05mLufthansa

Deal found 6/12

$674

Wed 7/95:25 pmIAD - LCY

1 stop10h 25mKLM

Wed 7/2310:00 amLCY - IAD

1 stop10h 35mKLM

Deal found 6/10

$690

Wed 7/165:25 pmIAD - LCY

1 stop21h 15mVirgin Atlantic

Sun 7/208:45 pmLCY - IAD

1 stop23h 50mVirgin Atlantic

Deal found 6/11

$692

Thu 7/101:08 pmBWI - LCY

2 stops13h 07mDelta

Wed 8/137:45 amLCY - BWI

2 stops14h 07mDelta

Deal found 6/11

$707

Tue 9/24:35 pmIAD - LCY

2 stops42h 55mIberia

Tue 9/911:20 amLCY - IAD

2 stops32h 40mIberia

Deal found 6/10

$747

Wed 10/223:30 pmDCA - LCY

2 stops16h 00mMultiple Airlines

Tue 11/47:10 pmLCY - DCA

2 stops27h 13mMultiple Airlines

Deal found 6/12

$677

Tue 9/911:35 amBWI - LCY

2 stops14h 40mKLM

Fri 9/199:20 amLCY - BWI

2 stops17h 23mKLM

Deal found 6/10

$726

Tue 8/56:15 amBWI - LCY

2 stops25h 15mMultiple Airlines

Wed 8/207:20 pmLCY - BWI

2 stops27h 09mMultiple Airlines

Deal found 6/10

$677

Fri 9/55:25 pmIAD - LCY

1 stop11h 05mDelta

Mon 9/159:20 amLCY - IAD

1 stop11h 15mDelta

Deal found 6/10

$812

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 June 12, 2025 and is based on user searches.

Tue 6/176:06 amDCA - LCY

2 stops29h 09mITA Airways

Thu 6/268:30 amLCY - DCA

2 stops20h 03mITA Airways

Deal found 6/10

$1,368

Tue 6/179:00 pmIAD - LCY

1 stop10h 45mBritish Airways

Tue 8/129:05 amLCY - IAD

1 stop11h 45mBritish Airways

Deal found 6/10

$1,438

Tue 6/178:45 pmIAD - LCY

1 stop10h 45mSWISS

Tue 8/129:25 amLCY - IAD

1 stop11h 50mSWISS

Deal found 6/11

$1,525

Tue 6/175:45 pmIAD - LCY

1 stop13h 45mMultiple Airlines

Tue 7/17:20 pmLCY - IAD

1 stop25h 05mMultiple Airlines

Deal found 6/10

$1,652

Thu 6/195:45 amBWI - LCY

2 stops29h 40mMultiple Airlines

Tue 6/241:05 pmLCY - BWI

2 stops23h 25mMultiple Airlines

Deal found 6/9

$1,117

Fri 6/205:25 pmIAD - LCY

1 stop9h 45mKLM

Sat 8/1610:00 amLCY - IAD

1 stop10h 35mKLM

Deal found 6/10

$1,559

Fri 6/205:25 pmIAD - LCY

1 stop11h 05mVirgin Atlantic

Tue 6/247:45 amLCY - IAD

2 stops15h 28mVirgin Atlantic

Deal found 6/10

$1,781

Fri 6/201:00 pmBWI - LCY

2 stops15h 30mDelta

Thu 7/310:00 amLCY - BWI

2 stops18h 19mDelta

Deal found 6/11

$6,170

Sat 6/211:00 pmDCA - LCY

2 stops19h 45mMultiple Airlines

Mon 6/306:05 pmLCY - DCA

2 stops27h 24mMultiple Airlines

Deal found 6/12

$1,886

Sun 6/224:30 pmIAD - LCY

1 stop18h 45mITA Airways

Fri 7/44:50 pmLCY - IAD

1 stop26h 50mITA Airways

Deal found 6/11

$1,200

Sun 6/225:20 pmIAD - LCY

1 stop12h 00mAer Lingus

Wed 7/99:05 amLCY - IAD

1 stop11h 45mAer Lingus

Deal found 6/9

$1,300

Sun 6/223:25 pmIAD - LCY

1 stop20h 00mLufthansa

Tue 7/18:45 amLCY - IAD

1 stop12h 05mLufthansa

Deal found 6/12

$1,664

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 June 12, 2025.

Mon 9/2211:35 amIAD - LCY

2 stops24h 55mMultiple Airlines

Deal found 6/10

$350

Tue 9/28:30 pmBWI - LCY

2 stops17h 30mMultiple Airlines

Deal found 6/11

$371

Sun 9/214:30 pmIAD - LCY

1 stop18h 45mITA Airways

Deal found 6/10

$394

Wed 8/208:45 pmIAD - LCY

1 stop17h 00mSWISS

Deal found 6/10

$419

Mon 11/35:25 pmIAD - LCY

1 stop14h 25mUnited Airlines

Deal found 6/12

$420

Sun 9/143:30 pmDCA - LCY

2 stops16h 00mUnited Airlines

Deal found 6/10

$425

Wed 8/136:10 pmIAD - LCY

1 stop17h 15mLufthansa

Deal found 6/10

$425

Tue 7/2910:59 amBWI - LCY

2 stops20h 31mUnited Airlines

Deal found 6/10

$425

Wed 7/2311:00 amDCA - LCY

2 stops24h 15mITA Airways

Deal found 6/12

$426

Tue 11/46:00 pmIAD - LCY

2 stops41h 45mIberia

Deal found 6/12

$437

Sun 9/213:30 pmDCA - LCY

2 stops13h 00mDelta

Deal found 6/10

$449

Sun 8/1712:17 pmBWI - LCY

2 stops13h 58mDelta

Deal found 6/10

$450

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

Tue 9/2

8:45 pm-6:45 pm

1 stop17h 00m

London City

Wed 9/10

9:25 am-4:15 pm

1 stop11h 50m

$663

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 8/26

4:30 pm-10:05 am

1 stop12h 35m

London City

Wed 9/3

8:30 am-2:40 pm

1 stop35h 10m

$665

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 9/3

8:45 pm-12:30 pm

1 stop10h 45m

London City

Fri 10/24

8:55 am-3:50 pm

1 stop11h 55m

$668

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 9/2

6:10 pm-4:25 pm

1 stop17h 15m

London City

Wed 10/22

8:45 am-3:50 pm

1 stop12h 05m

$674

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 10/22

3:30 pm-12:30 pm

2 stops16h 00m

London City

Tue 11/4

7:10 pm-5:23 pm

2 stops27h 13m

$677

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Tue 8/5

6:15 am-12:30 pm

2 stops25h 15m

London City

Wed 8/20

7:20 pm-5:29 pm

2 stops27h 09m

$677

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 7/9

5:25 pm-8:50 am

1 stop10h 25m

London City

Wed 7/23

10:00 am-3:35 pm

1 stop10h 35m

$690

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 7/16

5:25 pm-7:40 pm

1 stop21h 15m

London City

Sun 7/20

8:45 pm-3:35 pm

1 stop23h 50m

$692

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Thu 7/10

1:08 pm-7:15 am

2 stops13h 07m

London City

Wed 8/13

7:45 am-4:52 pm

2 stops14h 07m

$707

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Tue 9/9

11:35 am-7:15 am

2 stops14h 40m

London City

Fri 9/19

9:20 am-9:43 pm

2 stops17h 23m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 32 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.

Rainfall in London City by month

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.

Temperature in London City by month

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).

Reviews of airlines servicing London City

Read reviews from past customers who have flown Delta, KLM and SWISS from Washington, D.C. to London. 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

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

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

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

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

8,790 reviews

Delta

8.0

Very good

7,950 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

652 reviews

Delta

8.0

Very good

7,950 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 ($663), ITA Airways ($665), and Lufthansa ($674) offers the cheapest pricing from Washington, D.C. to London City Airport. Users have found that SWISS is 25% 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 ITA Airways ($394), SWISS ($419), and United Airlines ($420).
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

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Hounslow

Thornton Heath

Luton

Canterbury

Harrow

Dover

Gatwick

Orpington

Watford

Croydon

Folkestone

Borehamwood

Sutton

Aylesbury

Chelmsford

Brentwood

Chichester

Wembley

Arundel

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

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$350+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.

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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 June 12, 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 June 12, 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 June 12, 2025.

Rainfall in London City by month

Plan your trip to London City by taking into account the average rainfall totals by month.

Temperature in London City by month

Plan your trip to London City by taking into account the average temperature totals by month.

Reviews of airlines servicing London City

Read reviews from past customers who have flown Delta, KLM and SWISS from Washington, D.C. to London. 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 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 June 12, 2025.