HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$501+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YXU
Apr 28 — May 51
Tue 4/28
Tue 5/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 29, 2026.

This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sun 6/78:15 am
BWI
-
YXU
2 stops13h 23m
United Airlines
Wed 6/105:10 am
YXU
-
BWI
2 stops8h 47m
United Airlines
Deal found 3/28$812
This United Airlines deal was found by Cheapflights users on 3/28. 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 5/1211:00 am
BWI
-
YXU
2 stops10h 38m
United Airlines
Tue 5/195:10 am
YXU
-
BWI
2 stops9h 03m
United Airlines
Deal found 3/28$813
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Sun 5/106:15 am
BWI
-
YXU
2 stops15h 23m
United Airlines
Sun 5/175:10 am
YXU
-
BWI
2 stops13h 59m
United Airlines
Deal found 3/26$947
This United Airlines deal was found by Cheapflights users on 3/27. 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 5/116:15 am
BWI
-
YXU
2 stops15h 23m
United Airlines
Mon 5/185:10 am
YXU
-
BWI
2 stops12h 18m
United Airlines
Deal found 3/27$990
This United Airlines deal was found by Cheapflights users on 3/24. 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 4/76:00 am
BWI
-
YXU
2 stops15h 19m
United Airlines
Fri 4/105:10 am
YXU
-
BWI
2 stops8h 52m
United Airlines
Deal found 3/24$1,052
This United Airlines deal was found by Cheapflights users on 3/24. 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 5/511:00 am
BWI
-
YXU
2 stops10h 38m
United Airlines
Sat 5/99:30 am
YXU
-
BWI
3 stops11h 32m
United Airlines
Deal found 3/24$1,098
This United Airlines deal was found by Cheapflights users on 3/26. 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 5/1411:00 am
BWI
-
YXU
2 stops10h 38m
United Airlines
Sun 5/179:30 am
YXU
-
BWI
2 stops7h 58m
United Airlines
Deal found 3/26$1,159
This United Airlines deal was found by Cheapflights users on 3/25. 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 5/96:15 am
BWI
-
YXU
3 stops15h 23m
United Airlines
Sat 5/165:10 am
YXU
-
BWI
2 stops9h 03m
United Airlines
Deal found 3/25$1,327
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 4/266:00 am
BWI
-
YXU
2 stops11h 04m
United Airlines
Sun 5/35:10 am
YXU
-
BWI
2 stops9h 03m
United Airlines
Deal found 3/27$1,341

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 March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$812
(United Airlines)

One-way from

$501
(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 March 29, 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

Sun 6/7

8:15 am-9:38 pm

2 stops13h 23m

London

Wed 6/10

5:10 am-1:57 pm

2 stops8h 47m

$812

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Tue 5/12

11:00 am-9:38 pm

2 stops10h 38m

London

Tue 5/19

5:10 am-2:13 pm

2 stops9h 03m

$813

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Sat 5/9

6:15 am-9:38 pm

2 stops15h 23m

London

Sat 5/16

12:20 pm-9:02 pm

2 stops8h 42m

$880

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Tue 5/5

11:00 am-9:38 pm

2 stops10h 38m

London

Sat 5/9

5:10 am-2:13 pm

2 stops9h 03m

$880
Quickest round-trip

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Thu 5/14

11:00 am-9:38 pm

2 stops10h 38m

London

Sun 5/17

9:30 am-5:28 pm

2 stops7h 58m

$1,159

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Sun 4/26

11:08 am-9:19 pm

2 stops10h 11m

London

Sun 5/3

5:10 am-5:28 pm

3 stops12h 18m

$1,542
Cheapest one-way
Quickest one-way

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Wed 4/15

6:00 am-9:19 pm

2 stops15h 19m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 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 13h 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?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.