London

$271+ Cheap flights from District of Columbia to London, ON (YXU)

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YXU
Mar 6 — Mar 131
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Cheap flight deals from District of Columbia to London

Cheapest flights from District of Columbia to London
Explore the most affordable flight options available from District of Columbia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This Air Canada deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/204:30 pm
IAD
-
YXU
1 stop4h 51m
Air Canada
Fri 3/279:40 am
YXU
-
IAD
1 stop6h 06m
Air Canada
Deal found 2/3$586
This Air Canada deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/209:40 am
DCA
-
YXU
1 stop7h 25m
Air Canada
Fri 3/275:10 am
YXU
-
DCA
1 stop3h 45m
Air Canada
Deal found 2/3$611
This Air Canada deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:59 am
DCA
-
YXU
1 stop10h 06m
Air Canada
Sat 3/285:10 am
YXU
-
DCA
2 stops10h 21m
Air Canada
Deal found 2/3$620
This Air Canada deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:30 pm
IAD
-
YXU
1 stop4h 51m
Air Canada
Thu 2/269:25 am
YXU
-
IAD
1 stop6h 24m
Air Canada
Deal found 2/3$653
This Air Canada deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/194:30 pm
IAD
-
YXU
1 stop4h 51m
Air Canada
Thu 3/269:40 am
YXU
-
IAD
1 stop6h 06m
Air Canada
Deal found 2/2$655
This Air Canada deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2312:55 pm
DCA
-
YXU
2 stops8h 26m
Air Canada
Tue 2/245:10 am
YXU
-
DCA
1 stop3h 45m
Air Canada
Deal found 2/2$658
This Air Canada deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1912:55 pm
DCA
-
YXU
2 stops8h 26m
Air Canada
Thu 3/265:40 pm
YXU
-
DCA
1 stop4h 55m
Air Canada
Deal found 2/2$660
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:00 am
DCA
-
YXU
2 stops11h 05m
United Airlines
Fri 3/275:40 pm
YXU
-
DCA
1 stop4h 55m
United Airlines
Deal found 2/3$682
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:00 am
IAD
-
YXU
2 stops11h 05m
United Airlines
Fri 3/275:10 am
YXU
-
IAD
1 stop6h 36m
United Airlines
Deal found 2/3$682
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:00 am
IAD
-
YXU
2 stops11h 05m
United Airlines
Thu 3/265:10 am
YXU
-
IAD
1 stop6h 36m
United Airlines
Deal found 2/2$751
This Air Canada deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/184:30 pm
IAD
-
YXU
1 stop4h 51m
Air Canada
Thu 2/199:25 am
YXU
-
IAD
1 stop6h 24m
Air Canada
Deal found 2/2$827

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 February 4, 2026.

Round-trip from

$586
(Air Canada)

One-way from

$271
(Air Canada)
From District of Columbia to London
One-way flight from District of Columbia to London

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 2,558,603 searches. Data last updated February 4, 2026.
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

Fri 3/20

4:30 pm-9:21 pm

1 stop4h 51m

London

Fri 3/27

9:40 am-3:46 pm

1 stop6h 06m

$586

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 3/20

9:40 am-5:05 pm

1 stop7h 25m

London

Fri 3/27

5:10 am-8:55 am

1 stop3h 45m

$611

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sat 3/21

6:50 pm-8:46 am

1 stop13h 56m

London

Sat 3/28

5:10 am-8:55 am

1 stop3h 45m

$611

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Wed 2/25

4:30 pm-9:21 pm

1 stop4h 51m

London

Thu 2/26

9:25 am-3:49 pm

1 stop6h 24m

$653

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Mon 2/23

12:55 pm-9:21 pm

2 stops8h 26m

London

Tue 2/24

5:10 am-8:55 am

1 stop3h 45m

$658

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 3/19

12:55 pm-9:21 pm

2 stops8h 26m

London

Thu 3/26

5:40 pm-10:35 pm

1 stop4h 55m

$660

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 3/20

6:00 am-5:05 pm

2 stops11h 05m

London

Fri 3/27

5:40 pm-10:35 pm

1 stop4h 55m

$682

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 3/20

6:00 am-5:05 pm

2 stops11h 05m

London

Fri 3/27

5:10 am-11:46 am

1 stop6h 36m

$682

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Thu 3/19

9:55 am-5:05 pm

2 stops7h 10m

London

Thu 3/26

9:40 am-4:11 pm

2 stops6h 31m

$740

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Thu 3/19

6:00 am-5:05 pm

2 stops11h 05m

London

Thu 3/26

5:10 am-11:46 am

1 stop6h 36m

$751

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 18 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 $98). Flying from District of Columbia to London, Ontario in October is currently the most expensive (average of $205). 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) is the airport you will fly into if you book a flight from District of Columbia to London. It is only a 5.3 mi journey from London (YXU) to London’s city center.

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

    For as low as $586, Air Canada can have you in London, Ontario from District of Columbia in 4h 51m. District of Columbia and London, Ontario are separated by a distance of 341 mi. This flight may include one or multiple stops.

  • 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 $98). Flying from District of Columbia to London, Ontario in October is currently the most expensive (average of $205). 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

Traveling to a place near London?

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Grand Bend

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