United Airlines flights from Washington, D.C. to London (WAS - LON)

WAS — LON
jun. 4 — jun. 111

Cheapflights users flying from Washington, D.C. to London on United Airlines typically fly into London Heathrow and depart from Washington, D.C. Dulles Intl. Select your dates above for pricing.

United Airlines flights from Washington, D.C. to London in 2024

Find detailed information about United Airlines flights from Washington, D.C. to London. Explore the options provided by United Airlines to plan your journey from Washington, D.C. to London. Data last updated mayo 30, 2024.

Popular in

June

Cheapest in

October

Average price (all airlines)

$761

One-way from

$414

Round-trip from

$570
Highest demand for flights from Washington, D.C. to London; 18% potential price increase.
Best time to find cheap flights from Washington, D.C. to London; 3% potential price drop.
Average price for all Washington, D.C. to London flights (one-way and round-trip).
Cheapest one-way United Airlines flight from Washington, D.C. to London
Cheapest round-trip United Airlines flight from Washington, D.C. to London
  • Can I get a flight from Washington, D.C. to London on United Airlines for under $800?

    Cheapflights users have found 12 United Airlines flights for under $800 on the WAS-LON route. Prices on flights to London from Washington, D.C. can vary based on many factors including dates. To look at price based on your preferred dates, click here.

  • Does United Airlines service alternative airports for WAS-LON?

    Those looking to travel from Washington, D.C. to London on United Airlines should know that there are other options for airports to fly into when visiting London. The most popular airport is London Heathrow, but for some, London Gatwick is the better option as it is closer to the end destination or even cheaper to fly into on United Airlines. If you are looking for a closer or different airport to depart from in Washington, D.C., United Airlines also flies out of Baltimore/Washington when traveling to London.

  • How do most travelers feel about United Airlines?

    The average rating from 29 United Airlines reviews by Cheapflights users is 6.8 (out of a maximum rating of 10). If you are considering flying WAS-LON with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to London with United Airlines.

Cheapest United Airlines flights from Washington, D.C. to London

Discover the cheapest flight options specifically offered by United Airlines for travel from Washington, D.C. to London. Compare prices and availability to find the most affordable fares for your desired travel dates. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,784,634 searches. The data was last updated on mayo 30, 2024.
mié. 6/125:33 pmIAD - LHR
1 stop11h 37mUnited Airlines
mié. 6/198:40 amLHR - IAD
1 stop12h 35mUnited Airlines
Deal found 5/29$863
mié. 6/126:30 pmIAD - LHR
Nonstop7h 15mUnited Airlines
mar. 6/1812:15 pmLHR - IAD
Nonstop8h 05mUnited Airlines
Deal found 5/29$875
mié. 6/128:32 amIAD - LHR
1 stop16h 23mUnited Airlines
mié. 6/194:40 pmLHR - IAD
Nonstop8h 05mUnited Airlines
Deal found 5/29$880

Direct flights from Washington, D.C. to London on United Airlines

Discover the cheapest flight options specifically offered by United Airlines for travel from Washington, D.C. to London. Compare prices and availability to find the most affordable fares for your desired travel dates. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,784,634 searches. The data was last updated on mayo 30, 2024.
mié. 8/146:30 pmIAD - LHR
Nonstop7h 15mUnited Airlines
mar. 8/2712:15 pmLHR - IAD
Nonstop8h 05mUnited Airlines
Deal found 5/29$638
mié. 8/146:30 pmIAD - LHR
Nonstop7h 15mUnited Airlines
mar. 8/274:40 pmLHR - IAD
Nonstop8h 05mUnited Airlines
Deal found 5/30$639
mié. 8/146:30 pmIAD - LHR
Nonstop7h 15mUnited Airlines
sáb. 12/712:05 pmLHR - IAD
Nonstop8h 40mUnited Airlines
Deal found 5/29$688

Last minute deals on Cheapflights

Explore last-minute flight deals on United Airlines for various destinations, including Washington, D.C. to London. Discover attractive deals on flights departing soon. Keep an eye on the latest last-minute deals to find great opportunities for spontaneous travel. Please note that prices are subject to change and availability may vary. Data last updated mayo 30, 2024 and based on user searches. In the last 7 days, Cheapflights users made a total of 2,784,634 searches.
vie. 6/710:25 pmIAD - LHR
Nonstop7h 15mUnited Airlines
dom. 6/96:50 amLHR - IAD
1 stop12h 25mUnited Airlines
Deal found 5/30$1,029
vie. 6/71:05 pmIAD - LHR
1 stop17h 40mUnited Airlines
dom. 6/96:50 amLHR - IAD
1 stop12h 25mUnited Airlines
Deal found 5/30$1,033
jue. 6/610:25 pmIAD - LHR
Nonstop7h 15mUnited Airlines
jue. 6/138:40 amLHR - IAD
1 stop12h 35mUnited Airlines
Deal found 5/30$1,073

One-way United Airlines flights to London from Washington, D.C.

Search for one-way flight options from Washington, D.C. to London specifically provided by United Airlines. Find affordable one-way fares from United Airlines and compare prices with other airlines. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,784,634 searches. The data was last updated on mayo 30, 2024.
lun. 7/86:30 pmIAD - LHR
Nonstop7h 15mUnited Airlines
Deal found 5/30$414
lun. 7/810:25 pmIAD - LHR
Nonstop7h 15mUnited Airlines
Deal found 5/30$427
mié. 7/1710:25 pmIAD - LHR
Nonstop7h 15mUnited Airlines
Deal found 5/30$429

Best time to book a flight from Washington, D.C. to London

Have a flexible travel schedule? Discover the best time to fly to London from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in London by month

Plan your trip to London by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Washington, D.C. to London on another airline
Consider alternative airlines that service the London area. Flight routes are based on user searches made on Cheapflights and were last updated on mayo 30, 2024.

See what others are saying about United Airlines

Read reviews and see what other travelers are saying about their experiences with United Airlines. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing United Airlines for your next flight. Reviews last updated mayo 30, 2024.
United Airlines
7.4
Good
10,777 reviews
Overview

Comfort

7.2

Entertainment

7.1

Food

6.7

Boarding

7.7

Crew

8.1
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.