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$426+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YXU
May 9 — May 161
Sat 5/9
Sat 5/16
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 April 9, 2026.

This United Airlines deal was found by Cheapflights users on 4/5. 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.
Tue 6/26:10 am
BWI
-
YXU
2 stops15h 28m
United Airlines
Fri 6/512:20 pm
YXU
-
BWI
2 stops12h 13m
United Airlines
Deal found 4/5$879
This United Airlines deal was found by Cheapflights users on 4/5. 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 5/206:15 am
BWI
-
YXU
2 stops26h 38m
United Airlines
Wed 5/279:30 am
YXU
-
BWI
2 stops11h 56m
United Airlines
Deal found 4/5$903
This United Airlines deal was found by Cheapflights users on 4/8. 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.
Thu 7/166:15 am
BWI
-
YXU
2 stops8h 40m
United Airlines
Sun 7/195:10 am
YXU
-
BWI
2 stops12h 23m
United Airlines
Deal found 4/8$1,061
This United Airlines deal was found by Cheapflights users on 4/8. 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 4/206:00 am
BWI
-
YXU
2 stops11h 04m
United Airlines
Wed 4/225:10 am
YXU
-
BWI
2 stops8h 52m
United Airlines
Deal found 4/8$1,126
This United Airlines deal was found by Cheapflights users on 4/8. 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.
Thu 5/218:15 am
BWI
-
YXU
2 stops9h 18m
United Airlines
Sat 5/305:10 am
YXU
-
BWI
2 stops11h 51m
United Airlines
Deal found 4/8$1,273
This United Airlines deal was found by Cheapflights users on 4/7. 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 5/228:15 am
BWI
-
YXU
2 stops9h 18m
United Airlines
Fri 5/299:30 am
YXU
-
BWI
2 stops8h 03m
United Airlines
Deal found 4/7$1,438
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Tue 4/711:08 am
BWI
-
YXU
2 stops10h 11m
United Airlines
Sun 4/125:10 am
YXU
-
BWI
2 stops16h 13m
United Airlines
Deal found 4/6$1,454
This Mytrip deal was found by Cheapflights users on 4/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:39 pm
BWI
-
YXU
3 stops33h 56m
Multiple Airlines
Sun 4/128:10 pm
YXU
-
BWI
3 stops27h 49m
Multiple Airlines
Deal found 4/6$2,252

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 April 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$879
(United Airlines)

One-way from

$426
(United Airlines)
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
Search Deals

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 April 9, 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

Tue 6/2

6:10 am-2:58 pm

2 stops8h 48m

London

Fri 6/5

3:30 pm-12:33 am

2 stops9h 03m

$879

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Wed 5/20

6:15 am-8:53 am

2 stops26h 38m

London

Wed 5/27

9:30 am-9:26 pm

2 stops11h 56m

$903

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Thu 5/21

8:15 am-5:33 pm

2 stops9h 18m

London

Sat 5/30

5:10 am-5:01 pm

2 stops11h 51m

$1,273
Quickest round-trip

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Fri 5/22

8:15 am-5:33 pm

2 stops9h 18m

London

Fri 5/29

9:30 am-5:33 pm

2 stops8h 03m

$1,438

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Mon 4/20

11:08 am-9:19 pm

3 stops10h 11m

London

Wed 4/22

5:10 am-2:02 pm

2 stops8h 52m

$1,852
Cheapest one-way
Quickest one-way

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Thu 9/24

10:45 am-9:40 pm

2 stops10h 55m

$426

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Thu 9/24

12:17 pm-5:20 am

3 stops17h 03m

$442

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/7

Sorted by cheapest first

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 April.
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 8h 48m. 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

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