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Cheap flights from District of Columbia to London, ON from C$ 382

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YXU
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from District of Columbia to London

Enter your travel dates to find the best prices.

Best flights from District of Columbia to London
Discover carefully curated flight deals from District of Columbia to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 18 December 2025.

Sun 25/14:30 p.m.IAD - YXU
1 stop4h 50mAir Canada
Wed 28/19:50 a.m.YXU - IAD
1 stop5h 56mAir Canada
Deal found 15/12C$ 818
Sat 28/26:00 a.m.DCA - YXU
2 stops11h 05mUnited Airlines
Sun 1/35:40 p.m.YXU - DCA
1 stop4h 55mUnited Airlines
Deal found 16/12C$ 951
Sun 25/112:55 p.m.DCA - YXU
2 stops8h 25mAir Canada
Wed 28/15:10 a.m.YXU - DCA
1 stop3h 45mAir Canada
Deal found 15/12C$ 825
Sun 22/34:30 p.m.IAD - YXU
1 stop4h 51mAir Canada
Thu 26/39:25 a.m.YXU - IAD
1 stop6h 21mAir Canada
Deal found 16/12C$ 834
Sat 28/28:36 a.m.IAD - YXU
2 stops8h 29mUnited Airlines
Sun 1/39:25 a.m.YXU - IAD
1 stop6h 21mUnited Airlines
Deal found 16/12C$ 951
Fri 30/14:30 p.m.IAD - YXU
1 stop4h 50mAir Canada
Fri 6/29:25 a.m.YXU - IAD
1 stop6h 24mAir Canada
Deal found 16/12C$ 834
Fri 30/16:00 a.m.DCA - YXU
2 stops11h 05mUnited Airlines
Fri 6/25:10 a.m.YXU - DCA
1 stop3h 45mUnited Airlines
Deal found 16/12C$ 966
Sat 31/14:30 p.m.IAD - YXU
1 stop4h 50mAir Canada
Sat 7/29:25 a.m.YXU - IAD
1 stop6h 24mAir Canada
Deal found 17/12C$ 834
Sat 28/29:40 a.m.DCA - YXU
1 stop11h 41mAir Canada
Sun 1/35:10 a.m.YXU - DCA
1 stop3h 45mAir Canada
Deal found 16/12C$ 851
Sun 22/37:30 a.m.DCA - YXU
2 stops13h 51mUnited Airlines
Thu 26/35:40 p.m.YXU - DCA
1 stop4h 55mUnited Airlines
Deal found 16/12C$ 1,066
Mon 12/14:30 p.m.IAD - YXU
1 stop4h 50mAir Canada
Mon 19/19:50 a.m.YXU - IAD
1 stop5h 56mAir Canada
Deal found 16/12C$ 864
Sun 22/39:40 a.m.DCA - YXU
1 stop7h 25mAir Canada
Thu 26/35:40 p.m.YXU - DCA
1 stop4h 55mAir Canada
Deal found 16/12C$ 867

Find flight deals from District of Columbia to London

Keep the following information in mind while searching for District of Columbia to London flight deals. Data was last updated 18 December 2025.

Round-trip from

C$ 818

One-way from

C$ 382
Air Canada
  • Air Canada
  • 22/1-26/1
  • 2 total stops
  • 10h 47m total
  • District of Columbia to London
Search Deals
Air Canada
  • Air Canada
  • 15/5
  • 1 total stop
  • 4h 44m total
  • District of Columbia to London
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from District of Columbia to London that are best for you.

Fly from

District of Columbia

Fly to

London

Route

Depart

Return

Price

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Sun 25/1

4:30 p.m.-9:20 p.m.

1 stop4h 50m

London

Wed 28/1

9:50 a.m.-3:46 p.m.

1 stop5h 56m

C$ 818

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sun 25/1

12:55 p.m.-9:20 p.m.

2 stops8h 25m

London

Wed 28/1

5:10 a.m.-8:55 a.m.

1 stop3h 45m

C$ 825

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Sun 22/3

4:30 p.m.-9:21 p.m.

1 stop4h 51m

London

Thu 26/3

9:25 a.m.-3:46 p.m.

1 stop6h 21m

C$ 834

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 30/1

4:30 p.m.-9:20 p.m.

1 stop4h 50m

London

Fri 6/2

9:25 a.m.-3:49 p.m.

1 stop6h 24m

C$ 834

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Sat 31/1

4:30 p.m.-9:20 p.m.

1 stop4h 50m

London

Sat 7/2

9:25 a.m.-3:49 p.m.

1 stop6h 24m

C$ 834

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sat 28/2

9:40 a.m.-9:21 p.m.

1 stop11h 41m

London

Sun 1/3

5:10 a.m.-8:55 a.m.

1 stop3h 45m

C$ 851

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Mon 12/1

4:30 p.m.-9:20 p.m.

1 stop4h 50m

London

Mon 19/1

9:50 a.m.-3:46 p.m.

1 stop5h 56m

C$ 864

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sun 22/3

9:40 a.m.-5:05 p.m.

1 stop7h 25m

London

Thu 26/3

5:40 p.m.-10:35 p.m.

1 stop4h 55m

C$ 867

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sat 28/2

6:00 a.m.-5:05 p.m.

2 stops11h 05m

London

Sun 1/3

5:40 p.m.-10:35 p.m.

1 stop4h 55m

C$ 951

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Sat 28/2

8:36 a.m.-5:05 p.m.

2 stops8h 29m

London

Sun 1/3

9:25 a.m.-3:46 p.m.

1 stop6h 21m

C$ 951

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/12

Showing 1-10 of 14 results
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Best time to book a flight from District of Columbia to London

Have a flexible travel schedule? Discover the best time to fly to London from District of Columbia 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.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to London

What is the cheapest month to book a flight from District of Columbia to London, Ontario?

Currently, March is the cheapest month in which you can book a flight from District of Columbia to London, Ontario (average of C$ 135). Flying from District of Columbia to London, Ontario in October is currently the most expensive (average of C$ 282). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to London from District of Columbia?

    London (YXU), located 8.6 km from the city centre, is the airport you fly into when you book flights from District of Columbia to London.

  • How long is the flight from District of Columbia to London, Ontario?

    There are many flights that can get you from District of Columbia to London, Ontario in 4h 50m. Fly via Air Canada to get the fastest option. Airlines will cover a distance of 549 km.

  • Can I find deals for flights from District of Columbia to London that include hotel bookings?

    Yes. In addition to deals on District of Columbia to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to London.

  • Can I find deals for business class flights from District of Columbia to London?

    Yes. Cheapflights offers flight deals from District of Columbia to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to London, Ontario?

    Currently, March is the cheapest month in which you can book a flight from District of Columbia to London, Ontario (average of C$ 135). Flying from District of Columbia to London, Ontario in October is currently the most expensive (average of C$ 282). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Port Stanley
Grand Bend

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Fly with Cheapflights

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How does Cheapflights help users find flights from District of Columbia to London?

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from District of Columbia to London.

Can Cheapflights find flights from District of Columbia to London with no change fees?

Yes, we can. To see specific flights from District of Columbia to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Not ready to book yet? You can track prices for flights from District of Columbia to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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