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

Our cheapest airline available from London Gatwick Airport to Washington, D.C. is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as $656 on this airline. Additional options worth looking into are JetBlue and Icelandair, starting at $657 and $658 round-trip. These flights start at 10% lower than the current average price 3 months from now.

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

For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $537. Users have also found prices from $548 and $655 on Icelandair and Finnair, respectively.

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

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

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 Gatwick Airport to Washington, D.C.?

The most popular flight routes from London Gatwick Airport to Washington, D.C. are London Gatwick - Washington, D.C. Dulles Intl, London Gatwick - Baltimore/Washington and London Gatwick - Washington, D.C. Reagan-National.

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

Flights from London Gatwick Airport to Washington, D.C. are found to be more expensive on Wednesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

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

Find a great deal and save up to 30% by booking at least 50 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London Gatwick Airport to Washington, D.C. within the next two weeks, with the cheapest ticket starting at $748.

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

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

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

One of the essential ways to save on airfare from London Gatwick Airport to Washington, D.C. 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 4% on airfare.

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

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

How can I find direct flights from Gatwick 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 Gatwick to Washington, D.C..

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

Yes. Cheapflights offers flight deals from Gatwick 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.

$273+ Flights from London Gatwick Airport to Washington, D.C.

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Cheap flight deals from Gatwick to Washington, D.C.

Round-trip from	$656 (oojo)
One-way from	$273 (Norse)
Popular in	August
Cheapest in	March
Average price	$1,001

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

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

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Highest demand for flights based on searches. 17% potential increase in price ($155 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($31 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 Gatwick to Washington, D.C.

Cheapest flights from Gatwick to Washington, D.C.
Explore the most affordable flight options available from Gatwick to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Thu 8/2110:35 amLGW - IAD

1 stop33h 45mTAP AIR PORTUGAL

Sun 8/245:45 pmIAD - LGW

1 stop16h 25mTAP AIR PORTUGAL

Deal found 7/3

$656

Fri 10/1012:10 pmLGW - DCA

1 stop13h 41mJetBlue

Tue 10/144:39 pmDCA - LGW

1 stop11h 56mJetBlue

Deal found 7/2

$657

Sun 8/103:40 pmLGW - IAD

1 stop32h 40mIcelandair

Fri 8/1511:15 pmIAD - LGW

1 stop31h 30mIcelandair

Deal found 7/3

$658

Fri 8/2210:00 amLGW - IAD

1 stop14h 24mMultiple Airlines

Tue 8/2611:15 pmIAD - LGW

1 stop10h 25mMultiple Airlines

Deal found 7/2

$662

Thu 8/712:10 pmLGW - DCA

1 stop24h 53mIcelandair

Mon 8/113:45 pmDCA - LGW

1 stop12h 50mIcelandair

Deal found 7/1

$672

Thu 11/206:40 pmLGW - IAD

2 stops24h 20mSWISS

Sun 11/305:25 pmIAD - LGW

1 stop19h 25mSWISS

Deal found 7/1

$687

Fri 9/2612:40 pmLGW - DCA

1 stop12h 04mMultiple Airlines

Tue 9/3011:00 amDCA - LGW

1 stop18h 45mMultiple Airlines

Deal found 7/2

$693

Fri 8/223:05 pmLGW - DCA

1 stop13h 13mBritish Airways

Wed 8/277:20 pmDCA - LGW

1 stop31h 50mBritish Airways

Deal found 7/2

$698

Fri 8/2210:40 amLGW - DCA

1 stop17h 35mAmerican Airlines

Sun 8/3110:09 pmDCA - LGW

2 stops29h 01mAmerican Airlines

Deal found 7/2

$703

Fri 8/2210:00 amLGW - BWI

2 stops17h 09mMultiple Airlines

Mon 8/256:50 pmBWI - LGW

2 stops17h 05mMultiple Airlines

Deal found 7/2

$706

Sat 12/611:00 amLGW - DCA

2 stops16h 38mIberia

Mon 12/812:53 pmDCA - LGW

2 stops16h 22mIberia

Deal found 7/2

$717

Sun 8/1712:00 pmLGW - IAD

1 stop12h 43mVirgin Atlantic

Sun 8/2412:13 pmIAD - LGW

1 stop16h 47mVirgin Atlantic

Deal found 7/3

$718

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

Thu 8/2110:35 amLGW - IAD

1 stop33h 45mTAP AIR PORTUGAL

Sun 8/245:45 pmIAD - LGW

1 stop16h 25mTAP AIR PORTUGAL

Deal found 7/3

$656

Fri 10/1012:10 pmLGW - DCA

1 stop13h 41mJetBlue

Tue 10/144:39 pmDCA - LGW

1 stop11h 56mJetBlue

Deal found 7/2

$657

Sun 8/103:40 pmLGW - IAD

1 stop32h 40mIcelandair

Fri 8/1511:15 pmIAD - LGW

1 stop31h 30mIcelandair

Deal found 7/3

$658

Fri 8/2210:00 amLGW - IAD

1 stop14h 24mMultiple Airlines

Tue 8/2611:15 pmIAD - LGW

1 stop10h 25mMultiple Airlines

Deal found 7/2

$662

Sun 8/1712:00 pmLGW - IAD

1 stop29h 02mVirgin Atlantic

Sun 8/248:23 pmIAD - LGW

1 stop32h 37mVirgin Atlantic

Deal found 7/3

$682

Thu 11/206:40 pmLGW - IAD

2 stops24h 20mSWISS

Sun 11/305:25 pmIAD - LGW

1 stop19h 25mSWISS

Deal found 7/1

$687

Fri 8/223:05 pmLGW - DCA

1 stop24h 03mBritish Airways

Fri 8/296:30 amDCA - LGW

1 stop20h 40mBritish Airways

Deal found 7/2

$698

Fri 8/2210:40 amLGW - DCA

1 stop17h 35mAmerican Airlines

Sun 8/3110:09 pmDCA - LGW

2 stops29h 01mAmerican Airlines

Deal found 7/2

$703

Sat 12/611:00 amLGW - DCA

2 stops16h 38mIberia

Mon 12/812:53 pmDCA - LGW

2 stops16h 22mIberia

Deal found 7/2

$717

Thu 8/712:00 pmLGW - DCA

1 stop16h 35mDelta

Sat 8/165:00 pmDCA - LGW

1 stop12h 00mDelta

Deal found 7/1

$744

Thu 8/712:10 pmLGW - DCA

1 stop24h 53mIcelandair

Mon 8/113:45 pmDCA - LGW

1 stop12h 50mIcelandair

Deal found 7/1

$672

Fri 9/2611:35 amLGW - DCA

2 stops35h 29mMultiple Airlines

Tue 9/306:45 pmDCA - LGW

1 stop11h 00mMultiple Airlines

Deal found 7/2

$693

Last-minute flights from Gatwick to Washington, D.C.
Discover last-minute flight deals from Gatwick to Washington, D.C.. Data last updated July 3, 2025 and is based on user searches.

Tue 7/84:25 pmLGW - IAD

1 stop27h 55mTAP AIR PORTUGAL

Tue 7/155:00 pmIAD - LGW

1 stop11h 45mTAP AIR PORTUGAL

Deal found 7/1

$685

Tue 7/812:10 pmLGW - DCA

1 stop24h 55mIcelandair

Sat 7/123:35 pmDCA - LGW

1 stop13h 00mIcelandair

Deal found 7/1

$833

Wed 7/910:00 amLGW - BWI

1 stop13h 47mMultiple Airlines

Sun 8/107:38 pmBWI - LGW

1 stop30h 17mMultiple Airlines

Deal found 7/1

$771

Wed 7/912:05 pmLGW - IAD

1 stop31h 35mITA Airways

Tue 7/224:30 pmIAD - LGW

1 stop13h 45mITA Airways

Deal found 7/1

$915

Wed 7/94:40 pmLGW - IAD

1 stop31h 25mRoyal Air Maroc

Thu 8/79:05 pmIAD - LGW

1 stop13h 35mRoyal Air Maroc

Deal found 7/3

$939

Thu 7/1010:00 amLGW - IAD

1 stop13h 28mMultiple Airlines

Tue 7/226:10 amIAD - LGW

2 stops19h 50mMultiple Airlines

Deal found 7/1

$820

Thu 7/1012:00 pmLGW - IAD

1 stop12h 51mVirgin Atlantic

Mon 7/2112:12 pmIAD - LGW

1 stop16h 48mVirgin Atlantic

Deal found 7/3

$823

Thu 7/101:00 pmLGW - BWI

1 stop11h 25mIcelandair

Mon 7/218:30 pmBWI - LGW

1 stop13h 05mIcelandair

Deal found 7/3

$1,196

Fri 7/1112:10 pmLGW - DCA

1 stop12h 53mJetBlue

Mon 7/141:44 pmDCA - LGW

1 stop14h 51mJetBlue

Deal found 7/1

$754

Fri 7/1112:00 pmLGW - DCA

1 stop27h 14mVirgin Atlantic

Mon 7/141:41 pmDCA - LGW

2 stops15h 19mVirgin Atlantic

Deal found 7/1

$868

Fri 7/118:40 pmLGW - IAD

1 stop23h 20mIberia

Fri 8/224:35 pmIAD - LGW

1 stop13h 20mIberia

Deal found 7/3

$1,025

Fri 7/119:40 amLGW - DCA

2 stops31h 23mMultiple Airlines

Tue 7/296:40 pmDCA - LGW

1 stop11h 05mMultiple Airlines

Deal found 7/2

$1,056

One-way flights from Gatwick to Washington, D.C.
Search for one-way flight options from Gatwick to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Wed 9/102:00 pmLGW - BWI

1 stop28h 04mMultiple Airlines

Deal found 7/2

$273

Mon 9/110:00 amLGW - IAD

2 stops19h 16mMultiple Airlines

Deal found 7/1

$516

Mon 11/177:05 amLGW - DCA

3 stops30h 50mMultiple Airlines

Deal found 7/1

$529

Mon 10/1310:35 amLGW - IAD

1 stop15h 15mTAP AIR PORTUGAL

Deal found 7/2

$537

Fri 8/153:40 pmLGW - IAD

1 stop11h 30mIcelandair

Deal found 7/1

$548

Wed 9/243:05 pmLGW - DCA

1 stop13h 02mFinnair

Deal found 7/2

$655

Mon 9/812:10 pmLGW - DCA

1 stop13h 41mJetBlue

Deal found 7/2

$656

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 8/21

10:35 am-3:20 pm

1 stop33h 45m

Washington, D.C. Dulles Intl

Sun 8/24

5:45 pm-3:10 pm

1 stop16h 25m

$656

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 10/10

12:10 pm-8:51 pm

1 stop13h 41m

Washington, D.C. Reagan-National

Tue 10/14

4:39 pm-9:35 am

1 stop11h 56m

$657

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sun 8/10

3:40 pm-7:20 pm

1 stop32h 40m

Washington, D.C. Dulles Intl

Fri 8/15

11:15 pm-11:45 am

1 stop31h 30m

$658

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Fri 8/22

10:00 am-7:24 pm

1 stop14h 24m

Washington, D.C. Dulles Intl

Tue 8/26

11:15 pm-2:40 pm

1 stop10h 25m

$662

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 8/7

12:10 pm-8:03 am

1 stop24h 53m

Washington, D.C. Reagan-National

Mon 8/11

3:45 pm-9:35 am

1 stop12h 50m

$672

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sun 8/17

12:00 pm-12:02 pm

1 stop29h 02m

Washington, D.C. Dulles Intl

Sun 8/24

8:23 pm-10:00 am

1 stop32h 37m

$682

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 11/20

6:40 pm-2:00 pm

2 stops24h 20m

Washington, D.C. Dulles Intl

Sun 11/30

5:25 pm-5:50 pm

1 stop19h 25m

$687

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 9/26

11:35 am-6:04 pm

2 stops35h 29m

Washington, D.C. Reagan-National

Tue 9/30

6:45 pm-10:45 am

1 stop11h 00m

$693

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 8/22

3:05 pm-10:08 am

1 stop24h 03m

Washington, D.C. Reagan-National

Fri 8/29

6:30 am-8:10 am

1 stop20h 40m

$698

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 8/22

10:40 am-11:15 pm

1 stop17h 35m

Washington, D.C. Reagan-National

Sat 8/30

2:54 pm-8:10 am

1 stop12h 16m

$703

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 22 results

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

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

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

Currently, August is the cheapest month in which you can book a flight from London Gatwick Airport to Washington, D.C. (average of $309). Flying from London Gatwick Airport to Washington, D.C. 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.

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Delta, Finnair, and SWISS from London Gatwick Airport to Washington, D.C. have to say. 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

7,970 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

7,970 reviews

Delta

8.0

Very good

7,970 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!

Finnair

7.6

Good

1,306 reviews

Delta

8.0

Very good

7,970 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

7,970 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

7,970 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!

JetBlue

7.3

Good

2,916 reviews

Delta

8.0

Very good

7,970 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 London Gatwick Airport to Washington, D.C. round-trip?
Our cheapest airline available from London Gatwick Airport to Washington, D.C. is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as $656 on this airline. Additional options worth looking into are JetBlue and Icelandair, starting at $657 and $658 round-trip. These flights start at 10% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from London Gatwick Airport to Washington, D.C. one-way?
For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $537. Users have also found prices from $548 and $655 on Icelandair and Finnair, respectively.
What are the most popular routes from London Gatwick Airport to Washington, D.C.?
The most popular flight routes from London Gatwick Airport to Washington, D.C. are London Gatwick - Washington, D.C. Dulles Intl, London Gatwick - Baltimore/Washington and London Gatwick - Washington, D.C. Reagan-National.
Can I find deals for flights from Gatwick to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Gatwick to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Gatwick 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 Gatwick to Washington, D.C..
Can I find deals for business class flights from Gatwick to Washington, D.C.?
Yes. Cheapflights offers flight deals from Gatwick 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 Gatwick Airport to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from London Gatwick Airport to Washington, D.C. (average of $309). Flying from London Gatwick Airport to Washington, D.C. 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.

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$273+ Cheap flights from Gatwick (LGW) 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.

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

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Find flight deals from Gatwick to Washington, D.C.

Cheapest flights from Gatwick to Washington, D.C.Explore the most affordable flight options available from Gatwick to Washington, D.C.. 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 Gatwick to Washington, D.C.. 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 Gatwick Airport to Washington, D.C. that are best for you.

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

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

Cheapflights Insights

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

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

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Delta, Finnair, and SWISS from London Gatwick Airport to Washington, D.C. 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 Gatwick 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 cheapest airlines flying from London Gatwick Airport to Washington, D.C. round-trip?

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

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

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

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

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

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

Traveling to a place near London Gatwick Airport?

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Cheapest flights from Gatwick to Washington, D.C.
Explore the most affordable flight options available from Gatwick to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.