Compare and book United Airlines flights from Washington, D.C. to London on momondo

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Recent United Airlines flights from Washington, D.C. to London found by users

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5:10 pm - 9:20 amIAD-LHR

11h 10m1 stop

11:10 am - 8:05 pmLHR-IAD

13h 55m1 stop

$602United Airlines

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Wed, Nov 19 - Wed, Nov 26

6:20 pm - 6:40 amIAD-LHR

7h 20mnonstop

6:50 am - 2:35 pmLHR-IAD

12h 45m1 stop

$603United Airlines

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Sun, Nov 30 - Tue, Dec 9

10:15 pm - 10:50 amIAD-LHR

7h 35mnonstop

1:45 pm - 4:40 pmLHR-IAD

31h 55m1 stop

$604United Airlines

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Mon, Dec 1 - Mon, Dec 22

6:00 am - 9:20 pmIAD-LHR

10h 20m1 stop

11:10 am - 8:05 pmLHR-IAD

13h 55m1 stop

$607United Airlines

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Fri, Dec 12 - Wed, Dec 24

8:45 am - 7:10 amIAD-LHR

17h 25m2 stops

6:50 am - 2:35 pmLHR-IAD

12h 45m1 stop

$608United Airlines

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Tue, Dec 2 - Tue, Dec 9

10:12 pm - 8:30 amIAD-LHR

29h 18m2 stops

9:00 am - 4:40 pmLHR-IAD

12h 40m1 stop

$610United Airlines

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Mon, Dec 1 - Fri, Dec 12

10:12 pm - 9:20 amIAD-LHR

30h 08m1 stop

11:10 am - 3:35 pmLHR-IAD

33h 25m1 stop

$612United Airlines

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Tue, Nov 25 - Tue, Dec 2

6:20 pm - 6:40 amIAD-LHR

7h 20mnonstop

11:30 am - 8:15 pmLHR-IAD

13h 45m1 stop

$614United Airlines

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Wed, Dec 31 - Sat, Jan 10

8:30 am - 7:10 amIAD-LHR

17h 40m2 stops

1:50 pm - 3:35 pmLHR-IAD

30h 45m1 stop

$616United Airlines

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Mon, Dec 1 - Mon, Dec 8

6:20 pm - 6:40 amIAD-LHR

7h 20mnonstop

11:05 am - 2:35 pmLHR-IAD

32h 30m1 stop

$617United Airlines

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Mon, Nov 17 - Mon, Nov 24

United Airlines flights from Washington, D.C. to London at a glance

Fastest flight time	7h 20m
Direct flights	Every day
Airports in London	1 airport

The fastest flight from Washington, D.C. to London takes 7h 20m

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Direct flights go from Washington, D.C. to London every day.

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There is 1 airport near London: London Heathrow (LHR)

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

Data designed to help you find the right flight

What is the cheapest month to fly Economy Class to London?

In general, August is the cheapest month to fly Economy Class from Washington, D.C. to London. Due to it being the ‘off-season’ during this time, you can expect Economy Class flight prices to be around $664. If you aren’t able to travel during the month of August, then book Economy Class flights to London from Washington, D.C. during September instead. Economy Class flights to London in September, while not as cheap as those in August, still average around $726.

What is the cheapest day to depart on your Economy Class flight to London?

The cheapest day to depart from Washington, D.C. to London is on a Monday when prices can be found for as low as $516. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average Economy Class ticket price to London on a Friday is $634.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $844 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Washington, D.C. for as low as $736 on momondo.

Frequently asked questions about flights to London with United Airlines

Can I fly nonstop from Washington, D.C. to London with United Airlines?

Yes, United Airlines operates direct services on this route, offering approximately 14 flights weekly.

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Find and compare United Airlines flights from Washington, D.C. to London

Recent United Airlines flights from Washington, D.C. to London found by users

Cheap United Airlines Flight Deals from Washington, D.C. to London

Recent round-trip United Airlines flight deals from Washington, D.C. to London

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United Airlines flights from Washington, D.C. to London at a glance

Fastest flight time

Direct flights

Airports in London

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

Data designed to help you find the right flight

What is the cheapest month to fly Economy Class to London?

What is the cheapest day to depart on your Economy Class flight to London?

How far in advance should I book a flight to London?

Frequently asked questions about flights to London with United Airlines

Can I fly nonstop from Washington, D.C. to London with United Airlines?

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Airports listed have a maximum distance of 35.6 mi from London

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Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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