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$355+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YXU
Sep 7 — Sep 141
Mon 9/7
Mon 9/14
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 August 8, 2026.

This United Airlines deal was found by Cheapflights users on 8/3. 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.
Thu 9/246:08 am -
2 stops11h 35m
Mon 9/283:30 pm -
2 stops19h 00m
Deal found 8/3$891
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Sat 9/1912:10 pm -
2 stops9h 30m
Sat 9/265:40 am -
2 stops8h 18m
Deal found 8/5$996
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/36:05 am -
2 stops8h 45m
Thu 9/1010:05 am -
2 stops12h 54m
Deal found 8/6$1,039
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Mon 9/710:25 am -
2 stops11h 15m
Sun 9/133:30 pm -
2 stops19h 00m
Deal found 8/8$1,040
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Wed 8/196:05 am -
2 stops15h 35m
Sat 8/225:40 am -
2 stops8h 18m
Deal found 8/5$1,082

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 August 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$891
(United Airlines)

One-way from

$355
(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.
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From Baltimore/Washington to London
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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 August 8, 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 Baltimore/Washington - YXU London

BWIYXU

Baltimore/Washington

Thu 9/24

6:08 am-5:43 pm

2 stops11h 35m

London

Mon 9/28

3:30 pm-10:30 am

2 stops19h 00m

$891

BaltimoreLondon

BWI Baltimore/Washington - YXU London

BWIYXU

Baltimore/Washington

Fri 10/30

10:10 am-9:52 pm

2 stops11h 42m

London

Sun 11/1

3:25 pm-10:29 am

2 stops19h 04m

$996

BaltimoreLondon

BWI Baltimore/Washington - YXU London

BWIYXU

Baltimore/Washington

Mon 9/21

6:05 am-9:40 pm

2 stops15h 35m

London

Mon 9/28

5:40 am-5:43 pm

2 stops12h 03m

$996
Quickest round-trip

BaltimoreLondon

BWI Baltimore/Washington - YXU London

BWIYXU

Baltimore/Washington

Sat 9/19

12:10 pm-9:40 pm

2 stops9h 30m

London

Sat 9/26

5:40 am-1:58 pm

2 stops8h 18m

$996

BaltimoreLondon

BWI Baltimore/Washington - YXU London

BWIYXU

Baltimore/Washington

Mon 9/7

10:25 am-9:40 pm

2 stops11h 15m

London

Sun 9/13

5:40 am-1:58 pm

2 stops8h 18m

$1,039

BaltimoreLondon

BWI Baltimore/Washington - YXU London

BWIYXU

Baltimore/Washington

Thu 8/20

10:25 am-9:40 pm

2 stops11h 15m

London

Mon 8/24

5:40 am-11:00 pm

2 stops17h 20m

$1,082

BaltimoreLondon

BWI Baltimore/Washington - YXU London

BWIYXU

Baltimore/Washington

Wed 8/19

6:05 am-9:40 pm

2 stops15h 35m

London

Sat 8/22

5:40 am-1:58 pm

2 stops8h 18m

$1,082
Cheapest one-way

BaltimoreLondon

BWI Baltimore/Washington - YXU London

BWIYXU

Baltimore/Washington

Sat 9/19

9:25 pm-5:20 am

3 stops31h 55m

$370
Quickest one-way

BaltimoreLondon

BWI Baltimore/Washington - YXU London

BWIYXU

Baltimore/Washington

Mon 8/24

10:25 am-9:40 pm

2 stops11h 15m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/5

Sorted by cheapest first
  • 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.

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 11h 35m. 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.

See more FAQs

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