Cheap flights from London Gatwick Airport to Washington, D.C. from £223
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Washington, D.C. departing on 31/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
Royal Air Maroc flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport
Our best Royal Air Maroc deals on London Gatwick Airport to Washington, D.C. Dulles Intl Airport flight tickets
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 typical price of a round-trip flight between London Gatwick Airport and Washington, D.C. Dulles Intl Airport?
What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?
The month of February is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from London Gatwick Airport, with most prices found around £413. If you aren’t able to travel during the month of February, 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 February, still average around £427.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
According to our data, Wednesday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from London Gatwick Airport. The lowest ticket price found for a Wednesday departure recently was £617. 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 £692.
What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?
The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the evening when flights can be purchased for as low as £521. In contrast, the most expensive time of day to depart to Washington, D.C. Dulles Intl Airport is in the afternoon when prices are around £650.
How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?
You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from London Gatwick Airport when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around £542 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from London Gatwick Airport for as low as £414 on momondo.
What is the cheapest airline that flies from London Gatwick to Washington, D.C. Dulles Intl?
TAP AIR PORTUGAL, Icelandair, and Royal Air Maroc are the most popular carriers operating from London Gatwick to Washington, D.C. Dulles Intl
Which airlines fly to Washington, D.C. Dulles Intl Airport?
Icelandair, Virgin Atlantic and TAP AIR PORTUGAL are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from London Gatwick Airport according to our data. Icelandair is the first choice among our users, with 85% of people opting to fly with this airline when travelling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.
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
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 30m.
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 are 3 operators available for flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport as of June 2025.
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 (85% of total bookings). The next most popular airlines are Virgin Atlantic (8%) and TAP AIR PORTUGAL (7%).
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 £346 | Free Cancellation | Rating 7.1 1,885 reviews | |||
| PriceFrom £370 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom £492 | Free Cancellation | Rating 7.4 652 reviews |
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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.