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Not ready to book? to track prices.TAP AIR PORTUGAL flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport
Our best TAP AIR PORTUGAL deals on London Gatwick Airport to Washington, D.C. Dulles Intl Airport flight tickets
Icelandair flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport
Our best Icelandair deals on London Gatwick Airport to Washington, D.C. Dulles Intl Airport flight tickets
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Use the filters below to find and compare flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Mon 9/11
11:55-18:30
1 stop11h 35m
Washington, D.C. Dulles Intl
Sat 21/11
19:40-10:55
1 stop10h 15m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Wed 16/12
11:55-18:30
1 stop11h 35m
Washington, D.C. Dulles Intl
Tue 22/12
19:40-10:55
1 stop10h 15m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Fri 30/10
11:55-19:30
1 stop11h 35m
Washington, D.C. Dulles Intl
Thu 5/11
19:40-10:55
1 stop10h 15m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Mon 9/11
11:55-18:30
1 stop11h 35m
Washington, D.C. Dulles Intl
Sun 15/11
19:40-10:55
1 stop10h 15m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Mon 9/11
11:55-18:30
1 stop11h 35m
Washington, D.C. Dulles Intl
Sat 14/11
19:40-10:55
1 stop10h 15m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Tue 1/12
08:50-18:30
2 stops14h 40m
Washington, D.C. Dulles Intl
Tue 8/12
19:40-20:00
2 stops19h 20m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Thu 19/11
16:00-20:30
1 stop33h 30m
Washington, D.C. Dulles Intl
Sat 5/12
17:25-09:50
1 stop11h 25m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Mon 14/12
16:35-14:40
1 stop27h 05m
Washington, D.C. Dulles Intl
Mon 18/1
17:25-15:45
1 stop17h 20m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Thu 24/12
11:55-18:30
1 stop11h 35m
Washington, D.C. Dulles Intl
Sun 27/12
19:40-10:55
1 stop10h 15m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Mon 2/11
11:55-18:30
1 stop11h 35m
Washington, D.C. Dulles Intl
Thu 12/11
19:40-10:55
1 stop10h 15m
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from London Gatwick Airport to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport?
The month of June is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from London Gatwick Airport, with most prices found around £0. If you aren’t able to travel during the month of June, then book flights to Washington, D.C. Dulles Intl Airport from London Gatwick Airport during April instead. Flights to Washington, D.C. Dulles Intl Airport in April, while not as cheap as those in June, still average around £0.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
According to our data, Friday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from London Gatwick Airport. The lowest ticket price found for a Friday departure recently was £570. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from London Gatwick Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £628.
Which airport is the most popular for stopovers for flights between London Gatwick Airport and Washington, D.C. Dulles Intl Airport?
Paris (CDG) was the most common stop: 83% of momondo users choosing one-stop flights on this route connected there.
Which stopover airport offers the lowest fares from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?
Flights via Reykjavik (KEF) offer the lowest average return price of £465.
Which stopover airport has the shortest travel time from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?
Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 35m.
Which stopover airport has the shortest connection time from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?
Reykjavik (KEF) has the shortest average stopover time for this route: 1h 18m.
When to book flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport
Cheap London Gatwick Airport to Washington, D.C. Dulles Intl Airport (LGW to IAD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport
Frequently asked questions about flying from London Gatwick Airport to Washington, D.C. Dulles Intl Airport
How far is London Gatwick to Washington, D.C. Dulles Intl by plane?
The distance between London Gatwick and Washington, D.C. Dulles Intl is about 3682.8 mi. In terms of flight time, this usually takes a little over 11h 35m.
When did momondo last update prices for flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?
There is 1 operator available for flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport as of October 2026.
How old do you have to be to fly from London Gatwick Airport to Washington, D.C. Dulles Intl 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 London Gatwick Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Gatwick Airport to Washington, D.C. Dulles Intl Airport is Icelandair (100% of total bookings).
Best airlines flying from London Gatwick Airport to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from London Gatwick Airport to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £289 | Free Cancellation | Rating 6.9 758 reviews |
Travelling to a place near Washington, D.C.?
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Why should I use momondo to find a flight deal from London to Washington, D.C.?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Washington, D.C.. momondo saves you time and could save you money on your trip.
Can I find flights from London to Washington, D.C. with flexible booking policies on momondo?
All flight searches from London to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from London to Washington, D.C.?
momondo helps you find the best flight between London and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from London to Washington, D.C. right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of London to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.