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Cheap flights from London, Ontario to Washington, D.C. from $344

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 Washington, D.C. departing on 6/18. 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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0 bags

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Find the cheapest flights from London, Ontario to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:30 pm - 9:34 am
YXU
-
BWI
18h 04m
2 stops
United Airlines Logo
12:30 pm - 9:40 pm
BWI
-
YXU
9h 10m
2 stops
$722United Airlines
Tue, Sep 22 - Wed, Sep 23
United Airlines Logo
3:30 pm - 9:34 am
YXU
-
BWI
18h 04m
2 stops
United Airlines Logo
12:30 pm - 9:40 pm
BWI
-
YXU
9h 10m
2 stops
$723United Airlines
Tue, Sep 22 - Wed, Sep 23
United Airlines Logo
5:10 am - 9:26 pm
YXU
-
BWI
16h 16m
2 stops
United Airlines Logo
8:16 am - 9:37 pm
BWI
-
YXU
13h 21m
2 stops
$728United Airlines
Fri, Jun 19 - Fri, Jun 26
United Airlines Logo
9:30 am - 7:09 pm
YXU
-
BWI
9h 39m
2 stops
United Airlines Logo
11:00 am - 9:38 pm
BWI
-
YXU
10h 38m
2 stops
$935United Airlines
Fri, May 15 - Sun, May 17

United Airlines flights from London, Ontario to Baltimore

Our best United Airlines deals on London, Ontario to Baltimore flight tickets
United Airlines
Sep 22
YXU3:30 pmLondon
18h 04m
2 stops
BWI9:34 amBaltimore/Washington
Sep 23
BWI12:30 pmBaltimore/Washington
9h 10m
2 stops
YXU9:40 pmLondon
$722
United Airlines
Sep 22
YXU3:30 pmLondon
18h 04m
2 stops
BWI9:34 amBaltimore/Washington
Sep 23
BWI12:30 pmBaltimore/Washington
9h 10m
2 stops
YXU9:40 pmLondon
$723
United Airlines
Jun 19
YXU5:10 amLondon
16h 16m
2 stops
BWI9:26 pmBaltimore/Washington
Jun 26
BWI8:16 amBaltimore/Washington
13h 21m
2 stops
YXU9:37 pmLondon
$728

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to Baltimore 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 832,500 searches. Data last updated May 5, 2026.
Use the filters below to find and compare flights from London, Ontario to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBaltimore

YXU - BWI

YXUBWI

London

Tue 9/22

3:30 pm-9:34 am

2 stops18h 04m

Baltimore/Washington

Wed 9/23

12:30 pm-9:40 pm

2 stops9h 10m

$722

LondonBaltimore

YXU - BWI

YXUBWI

London

Tue 9/22

3:30 pm-9:34 am

2 stops18h 04m

Baltimore/Washington

Wed 9/23

12:30 pm-9:40 pm

2 stops9h 10m

$723

LondonBaltimore

YXU - BWI

YXUBWI

London

Fri 6/19

5:10 am-9:26 pm

2 stops16h 16m

Baltimore/Washington

Fri 6/26

8:16 am-9:37 pm

2 stops13h 21m

$728
Quickest round-trip

LondonBaltimore

YXU - BWI

YXUBWI

London

Fri 5/15

9:30 am-7:09 pm

2 stops9h 39m

Baltimore/Washington

Sun 5/17

11:00 am-9:38 pm

2 stops10h 38m

$935
Cheapest one-way

LondonBaltimore

YXU - BWI

YXUBWI

London

Thu 6/18

6:10 am-7:45 am

3 stops49h 35m

$344
Quickest one-way

LondonBaltimore

YXU - BWI

YXUBWI

London

Mon 6/15

3:30 pm-12:33 am

2 stops9h 03m

$377

LondonBaltimore

YXU - BWI

YXUBWI

London

Thu 6/18

10:05 am-9:26 pm

2 stops11h 21m

$389

LondonBaltimore

YXU - BWI

YXUBWI

London

Mon 6/15

5:55 pm-6:32 pm

3 stops48h 37m

$530

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from London, Ontario to Baltimore

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 airline that flies from London to Baltimore/Washington?

United Airlines is the most popular carrier operating from London to Baltimore/Washington

What airlines fly to Baltimore?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Baltimore from London, Ontario according to our data. Air Canada is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 6 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

When to book flights from London, Ontario to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from London, Ontario to Baltimore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London, Ontario to Baltimore (YXU to BWI) flight deals and tips

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

Fastest flight time

9h 39m

Direct flights

None
The fastest flight from London, Ontario to Baltimore takes 9h 39m
There are no direct flights from London, Ontario to Baltimore. There are no popular flight routes from London, Ontario to Baltimore.
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Frequently asked questions about flying from London, Ontario to Baltimore

  • How far is London to Baltimore/Washington by plane?

    There are 350.3 mi between London and Baltimore/Washington. Flights usually cover this in 9h 39m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Airport to Baltimore/Washington Airport?

    Prices for flights from London Airport to Baltimore/Washington Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London Airport to Baltimore/Washington Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The travel and health documents required for your trip to Baltimore/Washington Airport 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 Baltimore/Washington Airport. 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 Baltimore?

It is quick and easy to find London to Baltimore flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Baltimore that suits you.

Can I find flights from London to Baltimore with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Baltimore from London with this policy.

How can momondo help me find flights from London to Baltimore?

momondo provides multiple filters to help you find the best flight to Baltimore from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for London to Baltimore 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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