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$857+ Cheap flights from Baltimore (BWI) to London, ON (YXU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YXU
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/2. 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 12/171:10 pmBWI - YXU
2 stops8h 11mUnited Airlines
Sun 12/219:25 amYXU - BWI
2 stops7h 33mUnited Airlines
Deal found 12/2$1,308
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Sat 12/206:18 pmBWI - YXU
2 stops36h 16mMultiple Airlines
Sat 12/275:05 pmYXU - BWI
1 stop26h 03mMultiple Airlines
Deal found 12/1$1,341
This Mytrip deal was found by Cheapflights users on 12/2. 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.
Wed 12/178:30 pmBWI - YXU
3 stops34h 04mMultiple Airlines
Sun 12/218:10 pmYXU - BWI
3 stops27h 36mMultiple Airlines
Deal found 12/2$2,999

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$857
(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.
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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 December 4, 2025.
Use the filters below to find and compare flights from Baltimore to London that are best for you.

Fly from

Baltimore

Fly to

London

Route

Depart

Return

Price

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Mon 1/12

10:05 am-9:20 pm

2 stops11h 15m

London

Wed 1/14

9:25 am-9:21 pm

2 stops11h 56m

$857

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Sat 1/17

10:05 am-9:20 pm

2 stops11h 15m

London

Sat 1/24

5:10 am-2:11 pm

2 stops9h 01m

$862

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Sat 1/17

6:24 pm-6:34 am

2 stops36h 10m

London

Sat 1/24

5:05 pm-3:14 pm

1 stop22h 09m

$906

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Fri 1/16

4:44 pm-3:35 pm

2 stops22h 51m

London

Fri 1/23

7:30 am-10:27 am

3 stops26h 57m

$917

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Fri 1/16

10:05 am-9:20 pm

2 stops11h 15m

London

Fri 1/23

5:10 am-9:21 pm

2 stops16h 11m

$939

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Sat 3/28

10:57 am-7:13 pm

3 stops32h 16m

London

Sun 4/5

8:10 pm-9:14 am

3 stops37h 04m

$1,090

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Wed 12/17

1:10 pm-9:21 pm

2 stops8h 11m

London

Sun 12/21

9:25 am-4:58 pm

2 stops7h 33m

$1,308

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Sat 12/20

6:18 pm-6:34 am

2 stops36h 16m

London

Sat 12/27

5:05 pm-7:08 pm

1 stop26h 03m

$1,341

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-London, Ontario flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, March is the cheapest month in which you can book a flight from Baltimore to London, Ontario (average of $98). Flying from Baltimore to London, Ontario in October is currently the most expensive (average of $205). 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 11h 15m. 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, March is the cheapest month in which you can book a flight from Baltimore to London, Ontario (average of $98). Flying from Baltimore to London, Ontario in October is currently the most expensive (average of $205). 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?

Book flights to London if you plan to visit one of these locations
Grand Bend

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