Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport from $242

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to London Gatwick Airport departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to London

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. Dulles Intl Airport to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. Dulles Intl Airport to London.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. Dulles Intl Airport to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. Dulles Intl Airport to London

Find recent round-trip train or bus tickets from Washington, D.C. Dulles Intl Airport to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
7:40 pm - 10:55 amIAD-LGW
10h 15m1 stop
11:55 am - 6:25 pmLGW-IAD
11h 30m1 stop
$501Icelandair
Find Deal
Wed, Jan 29 - Sat, Feb 8
7:40 pm - 10:55 amIAD-LGW
10h 15m1 stop
11:55 am - 6:25 pmLGW-IAD
11h 30m1 stop
$513Icelandair
Find Deal
Sun, Jan 19 - Sun, Jan 26
7:40 pm - 10:55 amIAD-LGW
10h 15m1 stop
11:55 am - 6:25 pmLGW-IAD
11h 30m1 stop
$518Icelandair
Find Deal
Sun, Feb 23 - Fri, Mar 7
7:40 pm - 10:55 amIAD-LGW
10h 15m1 stop
11:55 am - 6:25 pmLGW-IAD
11h 30m1 stop
$524Icelandair
Find Deal
Tue, Feb 11 - Wed, Feb 26
11:30 pm - 3:45 pmIAD-LGW
12h 15m1 stop
10:35 am - 8:20 pmLGW-IAD
14h 45m1 stop
$576TAP AIR PORTUGAL
Find Deal
Sun, Mar 23 - Wed, Apr 2
10:30 pm - 3:45 pmIAD-LGW
12h 15m1 stop
4:35 pm - 3:00 pmLGW-IAD
27h 25m1 stop
$580TAP AIR PORTUGAL
Find Deal
Sun, Jan 26 - Wed, Jan 29
5:10 pm - 10:45 amIAD-LGW
12h 35m1 stop
7:00 am - 3:40 pmLGW-IAD
13h 40m1 stop
Mon, Jan 20 - Mon, Feb 3
5:10 pm - 10:45 amIAD-LGW
12h 35m1 stop
7:00 am - 3:40 pmLGW-IAD
13h 40m1 stop
Sun, Jan 19 - Mon, Feb 3
8:45 pm - 5:55 pmIAD-LGW
16h 10m1 stop
6:40 pm - 4:15 pmLGW-IAD
26h 35m1 stop
$658SWISS
Find Deal
Wed, Apr 2 - Thu, Apr 10
9:11 am - 9:00 amIAD-LGW
18h 49m2 stops
12:30 pm - 11:53 pmLGW-IAD
16h 23m2 stops
$694American Airlines
Find Deal
Wed, Feb 12 - Sun, Feb 16
5:57 pm - 10:00 amIAD-LGW
35h 03m1 stop
Sun, Jan 12
7:40 pm - 10:55 amIAD-LGW
10h 15m1 stop
$243Icelandair
Find Deal
Tue, Jan 21
7:40 pm - 10:55 amIAD-LGW
10h 15m1 stop
$246Icelandair
Find Deal
Wed, Jan 29
8:45 pm - 5:50 pmIAD-LGW
16h 05m1 stop
$293SWISS
Find Deal
Sun, Feb 23
5:00 pm - 9:45 amIAD-LGW
11h 45m1 stop
$311TAP AIR PORTUGAL
Find Deal
Sun, Apr 27
10:20 pm - 3:10 pmIAD-LGW
11h 50m1 stop
$313TAP AIR PORTUGAL
Find Deal
Sun, Apr 27
8:45 pm - 5:50 pmIAD-LGW
16h 05m1 stop
$387SWISS
Find Deal
Thu, Jan 16
1:52 pm - 10:15 amIAD-LGW
16h 23m2 stops
$478British Airways
Find Deal
Fri, Mar 21
8:40 pm - 2:45 pmIAD-LGW
13h 05m1 stop
$504Royal Air Maroc
Find Deal
Sat, Dec 28
8:40 pm - 2:45 pmIAD-LGW
13h 05m1 stop
$506Royal Air Maroc
Find Deal
Fri, Feb 21
7:40 pm - 10:55 amIAD-LGW
10h 15m1 stop
11:55 am - 6:25 pmLGW-IAD
11h 30m1 stop
$851Icelandair
Find Deal
Fri, Dec 27 - Fri, Jan 17
7:40 pm - 10:55 amIAD-LGW
10h 15m1 stop
11:55 am - 6:25 pmLGW-IAD
11h 30m1 stop
$892Icelandair
Find Deal
Fri, Dec 27 - Wed, Jan 15
8:15 am - 6:50 pmIAD-LGW
29h 35m2 stops
8:45 am - 8:05 amLGW-IAD
28h 20m3 stops
Thu, Dec 26 - Mon, Dec 30
8:45 pm - 5:50 pmIAD-LGW
16h 05m1 stop
6:45 pm - 4:25 pmLGW-IAD
26h 40m1 stop
$1,094SWISS
Find Deal
Fri, Dec 27 - Fri, Jan 10
8:20 am - 7:40 pmIAD-LGW
30h 20m3 stops
5:50 am - 12:15 pmLGW-IAD
35h 25m2 stops
$1,102
Find Deal
Wed, Dec 25 - Fri, Dec 27
8:45 pm - 8:35 pmIAD-LGW
18h 50m2 stops
6:45 pm - 4:25 pmLGW-IAD
26h 40m1 stop
$1,123SWISS
Find Deal
Fri, Dec 27 - Fri, Jan 10
8:40 pm - 2:45 pmIAD-LGW
13h 05m1 stop
3:45 pm - 6:40 pmLGW-IAD
31h 55m1 stop
$1,247Royal Air Maroc
Find Deal
Mon, Dec 23 - Tue, Feb 4
5:30 pm - 9:50 amIAD-LGW
11h 20m1 stop
10:40 am - 9:00 pmLGW-IAD
15h 20m1 stop
$1,371TAP AIR PORTUGAL
Find Deal
Tue, Dec 24 - Fri, Jan 17
5:30 pm - 9:50 amIAD-LGW
11h 20m1 stop
10:40 am - 9:00 pmLGW-IAD
15h 20m1 stop
$1,467TAP AIR PORTUGAL
Find Deal
Tue, Dec 24 - Sun, Jan 19
8:40 pm - 2:45 pmIAD-LGW
13h 05m1 stop
3:45 pm - 6:40 pmLGW-IAD
31h 55m1 stop
$1,490Royal Air Maroc
Find Deal
Wed, Dec 25 - Fri, Dec 27

SWISS flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport

Our best SWISS deals on Washington, D.C. Dulles Intl Airport to London Gatwick Airport flight tickets
SWISS
Apr 2
IAD8:45 pmWashington, D.C. Dulles Intl
16h 10m
1 stop
LGW5:55 pmLondon Gatwick
Apr 10
LGW6:40 pmLondon Gatwick
26h 35m
1 stop
IAD4:15 pmWashington, D.C. Dulles Intl
SWISS
Jan 2
IAD8:45 pmWashington, D.C. Dulles Intl
16h 05m
1 stop
LGW5:50 pmLondon Gatwick
Jan 9
LGW6:40 pmLondon Gatwick
26h 45m
1 stop
IAD4:25 pmWashington, D.C. Dulles Intl
SWISS
Dec 29
IAD8:45 pmWashington, D.C. Dulles Intl
16h 05m
1 stop
LGW5:50 pmLondon Gatwick
Jan 9
LGW6:40 pmLondon Gatwick
26h 45m
1 stop
IAD4:25 pmWashington, D.C. Dulles Intl

Icelandair flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport

Our best Icelandair deals on Washington, D.C. Dulles Intl Airport to London Gatwick Airport flight tickets
Icelandair
Jan 29
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
LGW10:55 amLondon Gatwick
Feb 8
LGW11:55 amLondon Gatwick
11h 30m
1 stop
IAD6:25 pmWashington, D.C. Dulles Intl
Icelandair
Jan 19
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
LGW10:55 amLondon Gatwick
Jan 26
LGW11:55 amLondon Gatwick
11h 30m
1 stop
IAD6:25 pmWashington, D.C. Dulles Intl
Icelandair
Feb 23
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
LGW10:55 amLondon Gatwick
Mar 7
LGW11:55 amLondon Gatwick
11h 30m
1 stop
IAD6:25 pmWashington, D.C. Dulles Intl

See travel insights to London from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to London Gatwick Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Gatwick Airport?

In general, February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to London Gatwick Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $490. If you are unable to visit London Gatwick Airport during the month of February, then departing from Washington, D.C. Dulles Intl Airport during the month November is also very affordable. Most momondo users find prices during this month for around $581.

What is the cheapest day to depart on your flight to London Gatwick Airport?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to London Gatwick Airport is on a Wednesday when prices can be found for as low as $674. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Gatwick Airport on Saturday is $885.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Flying to London Gatwick Airport from Washington, D.C. Dulles Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $694 when looking at flights departing in the evening. At noon is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $819 per ticket.

What is the cheapest Washington, D.C. Dulles Intl to London Gatwick flight route?

Fly from Washington, D.C. Dulles Intl to London Gatwick for the best Washington, D.C. Dulles Intl - London Gatwick flight prices

How far in advance should I book a flight to London Gatwick Airport?

The best time to book a flight to London Gatwick Airport from Washington, D.C. Dulles Intl Airport is 45 days out, which is when prices tend to be around $718. However, in the past 72 hours, people saw flights from Washington, D.C. Dulles Intl Airport for as low as $390.

What cabin class options are available on Washington, D.C. Dulles Intl to London Gatwick flights?

There are 1 cabin classes available to choose from on Washington, D.C. Dulles Intl to London Gatwick flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to London Gatwick Airport flights?

You could potentially save up to 21% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to London Gatwick Airport flight.

When to book flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to London Gatwick Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to London Gatwick Airport (IAD to LGW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to London Gatwick Airport

Best Price Found

$242

Fastest flight time

10h 15m

Direct flights

None
The best one-way flight to London Gatwick Airport from Washington, D.C. Dulles Intl Airport in the past 72 hours is $242. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to London Gatwick Airport found on momondo in the last 72 hours is $501.
The fastest flight from Washington, D.C. Dulles Intl Airport to London Gatwick Airport takes 10h 15m
There are no direct flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - London Gatwick Airport.

  • How far is Washington, D.C. Dulles Intl to London Gatwick by plane?

    The straight-line distance from Washington, D.C. Dulles Intl to London Gatwick is 3682.8 mi. By plane, this route typically takes 10h 15m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to London Gatwick Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to London Gatwick Airport.

  • What documentation or ID do you need to fly to London Gatwick Airport?

    The travel and health documents you'll need for your trip to London Gatwick Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to London Gatwick Airport?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to London Gatwick Airport?


Best airlines flying from Washington, D.C. Dulles Intl Airport to London Gatwick Airport

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $459Free CancellationRating
7.1
1,075 reviews
Search Aer Lingus flights
IcelandairPriceFrom $491Free CancellationRating
7.1
508 reviews
Search Icelandair flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to London. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to London with flexible booking policies on momondo?

All flight searches from Washington, D.C. to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to London.

I’m not ready to book a flight from Washington, D.C. to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


An easier way to manage your London Gatwick Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Fri 12/27
Fri 1/3
Email me momondo's favorite deals

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo