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Cheap flights from London, Ontario to District of Columbia from C$ 259

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to District of Columbia departing on 30/1. 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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Find the cheapest flights from London, Ontario to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:50 a.m. - 3:46 p.m.
YXU
-
IAD
5h 56m1 stop
Air Canada Logo
4:30 p.m. - 9:21 p.m.
IAD
-
YXU
4h 51m1 stop
C$ 653Air Canada
Sun, 25 Jan - Thu, 29 Jan
Air Canada Logo
9:50 a.m. - 3:46 p.m.
YXU
-
IAD
5h 56m1 stop
Air Canada Logo
4:30 p.m. - 9:21 p.m.
IAD
-
YXU
4h 51m1 stop
C$ 654Air Canada
Sun, 25 Jan - Thu, 29 Jan
Air Canada Logo
5:10 a.m. - 12:19 p.m.
YXU
-
DCA
7h 09m2 stops
Air Canada Logo
11:05 a.m. - 9:21 p.m.
DCA
-
YXU
10h 16m2 stops
C$ 659Air Canada
Sun, 25 Jan - Thu, 29 Jan
Air Canada Logo
9:50 a.m. - 3:46 p.m.
YXU
-
IAD
5h 56m1 stop
Air Canada Logo
9:45 a.m. - 5:05 p.m.
IAD
-
YXU
7h 20m2 stops
C$ 659Air Canada
Sun, 25 Jan - Thu, 29 Jan
Air Canada Logo
9:50 a.m. - 8:54 p.m.
YXU
-
IAD
11h 04m2 stops
Air Canada Logo
9:45 a.m. - 9:21 p.m.
IAD
-
YXU
11h 36m2 stops
C$ 663Air Canada
Sun, 25 Jan - Thu, 29 Jan
Air Canada Logo
9:50 a.m. - 3:46 p.m.
YXU
-
IAD
5h 56m1 stop
Air Canada Logo
4:30 p.m. - 9:21 p.m.
IAD
-
YXU
4h 51m1 stop
C$ 664Air Canada
Sun, 25 Jan - Thu, 29 Jan
Air Canada Logo
5:40 p.m. - 10:35 p.m.
YXU
-
DCA
4h 55m1 stop
Air Canada Logo
11:05 a.m. - 9:21 p.m.
DCA
-
YXU
10h 16m2 stops
C$ 670Air Canada
Sun, 25 Jan - Thu, 29 Jan
Air Canada Logo
9:50 a.m. - 3:46 p.m.
YXU
-
IAD
5h 56m1 stop
Air Canada Logo
9:45 a.m. - 9:21 p.m.
IAD
-
YXU
11h 36m2 stops
C$ 670Air Canada
Sun, 25 Jan - Thu, 29 Jan
Air Canada Logo
9:50 a.m. - 8:54 p.m.
YXU
-
IAD
11h 04m2 stops
Air Canada Logo
9:45 a.m. - 5:05 p.m.
IAD
-
YXU
7h 20m2 stops
C$ 674Air Canada
Sun, 25 Jan - Thu, 29 Jan
United Airlines Logo
9:50 a.m. - 5:35 p.m.
YXU
-
IAD
7h 45m2 stops
United Airlines Logo
8:29 a.m. - 5:05 p.m.
IAD
-
YXU
8h 36m2 stops
C$ 777United Airlines
Tue, 13 Jan - Fri, 16 Jan

Air Canada flights from London, Ontario to District of Columbia

Our best Air Canada deals on London, Ontario to District of Columbia flight tickets
Air Canada
25 Jan
YXU9:50 a.m.London
5h 56m
1 stop
IAD3:46 p.m.Washington, D.C. Dulles Intl
29 Jan
IAD4:30 p.m.Washington, D.C. Dulles Intl
4h 51m
1 stop
YXU9:21 p.m.London
C$ 653
Find similar
Air Canada
25 Jan
YXU9:50 a.m.London
5h 56m
1 stop
IAD3:46 p.m.Washington, D.C. Dulles Intl
29 Jan
IAD4:30 p.m.Washington, D.C. Dulles Intl
4h 51m
1 stop
YXU9:21 p.m.London
C$ 654
Find similar
Air Canada
25 Jan
YXU9:50 a.m.London
5h 56m
1 stop
IAD3:46 p.m.Washington, D.C. Dulles Intl
29 Jan
IAD9:45 a.m.Washington, D.C. Dulles Intl
7h 20m
2 stops
YXU5:05 p.m.London
C$ 659
Find similar

United Airlines flights from London, Ontario to District of Columbia

Our best United Airlines deals on London, Ontario to District of Columbia flight tickets
United Airlines
13 Jan
YXU9:50 a.m.London
7h 45m
2 stops
IAD5:35 p.m.Washington, D.C. Dulles Intl
16 Jan
IAD8:29 a.m.Washington, D.C. Dulles Intl
8h 36m
2 stops
YXU5:05 p.m.London
C$ 777
Find similar
United Airlines
21 Dec
YXU9:25 a.m.London
6h 21m
1 stop
IAD3:46 p.m.Washington, D.C. Dulles Intl
22 Dec
IAD8:15 a.m.Washington, D.C. Dulles Intl
13h 06m
2 stops
YXU9:21 p.m.London
C$ 1,425
Find similar
United Airlines
21 Dec
YXU9:25 a.m.London
14h 50m
2 stops
IAD12:15 a.m.Washington, D.C. Dulles Intl
22 Dec
IAD8:15 a.m.Washington, D.C. Dulles Intl
13h 06m
2 stops
YXU9:21 p.m.London
C$ 1,433
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to District of Columbia 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, momondo users made 96,600 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from London, Ontario to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sun 25/1

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

1 stop5h 56m

Washington, D.C. Dulles Intl

Thu 29/1

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

1 stop4h 51m

C$ 653

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sun 25/1

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

1 stop5h 56m

Washington, D.C. Dulles Intl

Thu 29/1

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

1 stop4h 51m

C$ 654

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sun 25/1

5:10 a.m.-12:19 p.m.

2 stops7h 09m

Washington, D.C. Reagan-National

Thu 29/1

11:05 a.m.-9:21 p.m.

2 stops10h 16m

C$ 659

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sun 25/1

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

1 stop5h 56m

Washington, D.C. Dulles Intl

Thu 29/1

9:45 a.m.-5:05 p.m.

2 stops7h 20m

C$ 659

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sun 25/1

9:50 a.m.-8:54 p.m.

2 stops11h 04m

Washington, D.C. Dulles Intl

Thu 29/1

9:45 a.m.-9:21 p.m.

2 stops11h 36m

C$ 663

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sun 25/1

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

1 stop5h 56m

Washington, D.C. Dulles Intl

Thu 29/1

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

1 stop4h 51m

C$ 664

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sun 25/1

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

1 stop4h 55m

Washington, D.C. Reagan-National

Thu 29/1

11:05 a.m.-9:21 p.m.

2 stops10h 16m

C$ 670

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sun 25/1

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

1 stop5h 56m

Washington, D.C. Dulles Intl

Thu 29/1

9:45 a.m.-9:21 p.m.

2 stops11h 36m

C$ 670

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sun 25/1

9:50 a.m.-8:54 p.m.

2 stops11h 04m

Washington, D.C. Dulles Intl

Thu 29/1

9:45 a.m.-5:05 p.m.

2 stops7h 20m

C$ 674

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Tue 13/1

9:50 a.m.-5:35 p.m.

2 stops7h 45m

Washington, D.C. Dulles Intl

Fri 16/1

8:29 a.m.-5:05 p.m.

2 stops8h 36m

C$ 777

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to District of Columbia from

How to get the cheapest flight ticket from London, Ontario to District of Columbia

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

What is the cheapest time of day to depart on your flight to District of Columbia?

Our data shows that the cheapest London, Ontario to District of Columbia flights are usually those with departure times in the morning. Our users have found flights to District of Columbia in the morning for as low as C$ 640. At noon is when there is more demand to fly to District of Columbia, so prices are often more expensive at around C$ 677 per ticket.

Cheap London, Ontario to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to District of Columbia

Fastest flight time

4h 55m

Direct flights

None
The fastest flight from London, Ontario to District of Columbia takes 4h 55m
There are no direct flights from London, Ontario to District of Columbia. There are no popular flight routes from London, Ontario to District of Columbia.
Search flight deals

  • When did momondo last update prices for flights from London Airport to District of Columbia?

    Prices for flights from London Airport to District of Columbia are refreshed on a daily basis.

  • How old do you have to be to fly from London Airport to District of Columbia?

    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 London Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The travel and health documents required for your trip to District of Columbia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at District of Columbia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from London to District of Columbia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to District of Columbia for you.

Can I find flights from London to District of Columbia with flexible booking policies on momondo?

Flights from London to District of Columbia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to District of Columbia?

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 London to District of Columbia.

I’m not ready to book a flight from London to District of Columbia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to District of Columbia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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