Cheap flights from District of Columbia to London Heathrow Airport from $216
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to London Heathrow Airport departing on 8/19. 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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0 bags
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Cheap round-trip flights
KAYAK's recommended round-trip deals from the most popular airlines that fly from District of Columbia to London.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from District of Columbia to London.
Cheap last minute flights
Planning a quick getaway from District of Columbia 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.
Aer Lingus flights from District of Columbia to London Heathrow Airport
Our best Aer Lingus deals on District of Columbia to London Heathrow Airport flight tickets
Aer Lingus![Aer Lingus]()
Apr 23![Aer Lingus]()
Apr 30
IAD5:20 pmWashington, D.C. Dulles Intl
10h 45m
1 stop
LHR9:05 amLondon Heathrow
LHR12:00 pmLondon Heathrow
12h 30m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Aer Lingus![Aer Lingus]()
Jul 1![Aer Lingus]()
Aug 1
IAD5:20 pmWashington, D.C. Dulles Intl
9h 40m
1 stop
LHR8:00 amLondon Heathrow
LHR7:40 amLondon Heathrow
13h 10m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
United Airlines flights from District of Columbia to London Heathrow Airport
Our best United Airlines deals on District of Columbia to London Heathrow Airport flight tickets
United Airlines![United Airlines]()
Aug 6![United Airlines]()
Aug 20
IAD6:35 pmWashington, D.C. Dulles Intl
7h 20m
LHR6:55 amLondon Heathrow
LHR7:25 amLondon Heathrow
17h 00m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
United Airlines![United Airlines]()
Aug 6![United Airlines]()
Aug 26
IAD6:35 pmWashington, D.C. Dulles Intl
7h 20m
LHR6:55 amLondon Heathrow
LHR12:15 pmLondon Heathrow
8h 20m
IAD3:35 pmWashington, D.C. Dulles Intl
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How to get the cheapest flight ticket from District of Columbia to London Heathrow 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
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What is the cheapest month to fly to London Heathrow Airport?
The month of October is, on average, the cheapest month to fly to London Heathrow Airport from District of Columbia, with most prices found around $667. If you’re not able to fly to London Heathrow Airport in October, then February is your next best option. Flight prices from District of Columbia to London Heathrow Airport during February average around $681.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $793. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $924.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from District of Columbia to London Heathrow Airport in the morning for as low as $692. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $850.
What is the cheapest District of Columbia to London Heathrow flight route?
Fly from Washington, D.C. Dulles Intl to London Heathrow for the best District of Columbia - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from District of Columbia when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $773 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from District of Columbia for as low as $725 on momondo.
What cabin class options are available on District of Columbia to London Heathrow flights?
There are 4 cabin classes available to choose from on District of Columbia to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from District of Columbia to London Heathrow?
TAP AIR PORTUGAL, Icelandair, and JetBlue are the most popular carriers operating from District of Columbia to London Heathrow
What airlines fly to London Heathrow Airport?
British Airways, Iberia and United Airlines are the top three most popular airlines that fly to London Heathrow Airport from District of Columbia according to our data. British Airways is the first choice among our users, with 44% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 17 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from District of Columbia to London Heathrow Airport on average per day?
As of April 2025, 24 flights take off from District of Columbia and land in London Heathrow Airport each day. The most common flight departure time for this route is 10:00PM, with 70% of daily flights taking off in the evening.
How many flights depart from District of Columbia to London Heathrow Airport on average per week?
As of April 2025, 171 flights take off from District of Columbia and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
Cheap District of Columbia to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from District of Columbia to London Heathrow Airport
When did momondo last update prices for flights from District of Columbia to London Heathrow Airport?
Prices for flights from District of Columbia to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from District of Columbia to London Heathrow Airport?
The number of operators available for flights from District of Columbia to London Heathrow Airport is 17 as of April 2025.
How old do you have to be to fly from District of Columbia to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from District of Columbia to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from District of Columbia to London Heathrow Airport is Boeing 777, representing 37.28% of all bookings. The subsequent popular models are Airbus A380-800 at 16.70%, Airbus A350-1000 at 7.33%, and Boeing 787-8 Dreamliner at 7.30%.
Best airlines flying from District of Columbia to London Heathrow Airport
Compare and see reviews for airlines that fly from District of Columbia to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $370 | Free Cancellation | Rating 7.3 1,335 reviews | |||
| PriceFrom $384 | Free Cancellation | Rating 6.9 101 reviews | |||
| PriceFrom $474 | Free Cancellation | Rating 7.0 481 reviews | |||
| PriceFrom $486 | Free Cancellation | Rating 7.1 1,839 reviews | |||
| PriceFrom $507 | Free Cancellation | Rating 7.0 1,063 reviews | |||
| PriceFrom $549 | Free Cancellation | Rating 7.0 9,139 reviews | |||
| PriceFrom $560 | Free Cancellation | Rating 8.0 7,916 reviews | |||
| PriceFrom $562 | Free Cancellation | Rating 7.0 2,674 reviews | |||
| PriceFrom $572 | Free Cancellation | Rating 7.5 1,580 reviews | |||
| PriceFrom $573 | Free Cancellation | Rating 7.6 1,269 reviews |
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsGatwick
Hounslow
Croydon
Luton
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Canterbury
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Why use momondo?
Why should I use momondo to find a flight deal from District of Columbia to London?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from District of Columbia.
Can I find flights from District of Columbia to London with flexible booking policies on momondo?
momondo does allow users to show only those flights to London from District of Columbia which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from District of Columbia 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 District of Columbia to London.
I’m not ready to book a flight from District of Columbia to London right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of District of Columbia to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.
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