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$366+ Cheap flights from Baltimore (BWI) 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YXU
huhti 22 — huhti 291
ke 4/22
ke 4/29
1 adult, Economy
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Cheap flight deals from Baltimore to London

Cheapest flights from Baltimore to London
Explore the most affordable flight options available from Baltimore to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on maaliskuu 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
la 5/27:00 am
BWI
-
YXU
1 stop8h 35m
Multiple Airlines
la 5/96:10 am
YXU
-
BWI
2 stops38h 13m
Multiple Airlines
Deal found 3/18$799
This United Airlines deal was found by Cheapflights users on 3/20. 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.
su 6/76:15 am
BWI
-
YXU
2 stops8h 43m
United Airlines
ke 6/105:40 am
YXU
-
BWI
2 stops8h 17m
United Airlines
Deal found 3/20$880
This United Airlines deal was found by Cheapflights users on 3/19. 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.
ke 4/296:00 am
BWI
-
YXU
2 stops11h 04m
United Airlines
la 5/212:20 pm
YXU
-
BWI
2 stops8h 42m
United Airlines
Deal found 3/19$923
This United Airlines deal was found by Cheapflights users on 3/22. 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.
to 5/711:00 am
BWI
-
YXU
2 stops10h 38m
United Airlines
to 5/146:10 pm
YXU
-
BWI
2 stops15h 52m
United Airlines
Deal found 3/22$947
This United Airlines deal was found by Cheapflights users on 3/19. 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.
pe 5/13:27 pm
BWI
-
YXU
2 stops17h 26m
United Airlines
ti 5/59:30 am
YXU
-
BWI
2 stops7h 58m
United Airlines
Deal found 3/19$1,044
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pe 3/2710:08 am
BWI
-
YXU
1 stop29h 27m
Multiple Airlines
su 4/58:10 pm
YXU
-
BWI
2 stops21h 54m
Multiple Airlines
Deal found 3/22$1,468
This Expedia deal was found by Cheapflights users on 3/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 5/712:00 pm
BWI
-
YXU
2 stops17h 20m
WestJet
to 5/145:55 pm
YXU
-
BWI
2 stops16h 49m
WestJet
Deal found 3/22$2,347
This United Airlines deal was found by Cheapflights users on 3/22. 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.
pe 3/276:20 am
BWI
-
YXU
2 stops10h 45m
United Airlines
su 4/55:10 am
YXU
-
BWI
2 stops16h 13m
United Airlines
Deal found 3/22$2,384

Find flight deals from Baltimore to London

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to London (YXU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated maaliskuu 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$799
(Kiwi.com)

One-way from

$366
(Kiwi.com)
Provider with most accurate pricing for Baltimore/Washington-London flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-London flights.
Search Deals
From Baltimore/Washington to London
Search Deals
One-way flight from Baltimore/Washington to London
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore 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 maaliskuu 23, 2026.
Use the filters below to find and compare flights from Baltimore to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

la 5/2

7:00 am-3:35 pm

1 stop8h 35m

London

la 5/9

6:10 am-8:23 pm

2 stops38h 13m

$799

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

la 5/2

6:15 am-9:38 pm

2 stops15h 23m

London

la 5/9

5:40 am-9:02 pm

2 stops15h 22m

$880

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

ma 5/4

6:15 am-9:38 pm

2 stops15h 23m

London

ma 5/11

12:20 pm-9:02 pm

2 stops8h 42m

$880
Quickest round-trip

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

su 6/7

6:15 am-2:58 pm

2 stops8h 43m

London

ke 6/10

5:40 am-1:57 pm

2 stops8h 17m

$880

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

ke 5/6

11:00 am-9:38 pm

2 stops10h 38m

London

ke 5/13

12:20 pm-9:02 pm

2 stops8h 42m

$880

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

ke 4/29

6:00 am-5:04 pm

2 stops11h 04m

London

la 5/2

12:20 pm-9:02 pm

2 stops8h 42m

$923

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

to 5/7

11:00 am-9:38 pm

2 stops10h 38m

London

to 5/14

6:10 pm-10:02 am

2 stops15h 52m

$947

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

pe 5/1

3:27 pm-8:53 am

2 stops17h 26m

London

ti 5/5

9:30 am-5:28 pm

2 stops7h 58m

$1,044

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

to 5/7

12:00 pm-5:20 am

2 stops17h 20m

London

to 5/14

5:55 pm-10:44 am

2 stops16h 49m

$2,347
Cheapest one-way

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

ma 5/11

12:25 pm-5:20 am

2 stops16h 55m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Baltimore to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to London in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-London, Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-London, Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-London, Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-London, Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-London, Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to London

Have a flexible travel schedule? Discover the best time to fly to London from Baltimore 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 Baltimore to London

What is the cheapest month to book a flight from Baltimore to London, Ontario?

Currently, September is the cheapest month in which you can book a flight from Baltimore to London, Ontario (average of $105). Flying from Baltimore to London, Ontario in March is currently the most expensive (average of $211). 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 Baltimore to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Baltimore to London, Ontario?

    There are many flights that can get you from Baltimore to London, Ontario in 15h 23m. Fly via United Airlines to get the fastest option. The distance from Baltimore to London, Ontario is about 354 mi.

  • Can I find deals for flights from Baltimore to London that include hotel bookings?

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

  • How can I find direct flights from Baltimore to London?

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

  • Can I find deals for business class flights from Baltimore to London?

    Yes. Cheapflights offers flight deals from Baltimore 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 Baltimore to London, Ontario?

    Currently, September is the cheapest month in which you can book a flight from Baltimore to London, Ontario (average of $105). Flying from Baltimore to London, Ontario in March is currently the most expensive (average of $211). 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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