Cheap flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport from $245
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 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
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
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Cheap bus & train deals from Washington, D.C. Dulles Intl Airport to London
All round-trip flight deals from Washington, D.C. Dulles Intl Airport to London
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
TAP AIR PORTUGAL flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport
Our best TAP AIR PORTUGAL deals on Washington, D.C. Dulles Intl Airport to London Gatwick Airport flight tickets
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 $495. 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 $502.
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?
You are more likely to see cheaper flights to London Gatwick Airport from Washington, D.C. Dulles Intl Airport when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to London Gatwick Airport for around $730 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Gatwick Airport from Washington, D.C. Dulles Intl Airport for as low as $555 on momondo.
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.
When to book flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport
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
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 9h 25m.
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?
As of January 2025, there are 2 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. Dulles Intl Airport to London Gatwick Airport is Boeing 787-9 Dreamliner, representing 26.14% of all bookings. The subsequent popular models are Boeing 777 at 23.86%, Boeing 787-10 Dreamliner at 13.64%, and Airbus A330-300 at 13.64%.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to London Gatwick Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Dulles Intl Airport to London Gatwick Airport is Icelandair (82% of total bookings). The next most popular airline is Aer Lingus (18%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $459 | Free Cancellation | Rating 7.1 1,082 reviews | |||
| PriceFrom $491 | Free Cancellation | Rating 7.1 501 reviews |
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy 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.