HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$441+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YXU
Aug 7 — Aug 141
Fri 8/7
Fri 8/14
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 July 8, 2026.

This United Airlines deal was found by Cheapflights users on 7/6. 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.
Sun 9/1310:25 am
BWI
-
YXU
2 stops11h 15m
United Airlines
Tue 9/1510:05 am
YXU
-
BWI
2 stops11h 38m
United Airlines
Deal found 7/6$880
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Mon 8/178:10 am
BWI
-
YXU
2 stops13h 30m
United Airlines
Mon 8/245:40 am
YXU
-
BWI
2 stops13h 02m
United Airlines
Deal found 7/3$929
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 7/186:15 am
BWI
-
YXU
2 stops8h 37m
United Airlines
Fri 7/2410:05 am
YXU
-
BWI
2 stops14h 23m
United Airlines
Deal found 7/7$966
This United Airlines deal was found by Cheapflights users on 7/5. 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 7/216:15 am
BWI
-
YXU
2 stops8h 37m
United Airlines
Tue 7/219:10 pm
YXU
-
BWI
2 stops16h 47m
United Airlines
Deal found 7/5$1,106
This Expedia deal was found by Cheapflights users on 7/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:59 am
BWI
-
YXU
2 stops19h 21m
WestJet
Thu 8/278:40 pm
YXU
-
BWI
2 stops14h 17m
WestJet
Deal found 7/6$1,793

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 July 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$880
(United Airlines)

One-way from

$441
(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 July 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
Quickest round-trip

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Sat 8/22

1:00 pm-9:40 pm

2 stops8h 40m

London

Sat 8/29

5:40 am-1:58 pm

2 stops8h 18m

$880

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Sun 9/13

10:25 am-9:40 pm

2 stops11h 15m

London

Tue 9/15

10:05 am-9:43 pm

2 stops11h 38m

$880

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Mon 8/17

8:10 am-9:40 pm

2 stops13h 30m

London

Mon 8/24

5:40 am-6:42 pm

2 stops13h 02m

$929

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Sat 7/18

6:15 am-2:52 pm

2 stops8h 37m

London

Fri 7/24

10:05 am-12:28 am

2 stops14h 23m

$966

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Thu 8/20

10:25 am-9:40 pm

2 stops11h 15m

London

Thu 8/27

10:05 am-11:00 pm

2 stops12h 55m

$996

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Tue 7/21

6:15 am-2:52 pm

2 stops8h 37m

London

Tue 7/21

9:10 pm-1:57 pm

2 stops16h 47m

$1,106

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Thu 8/20

9:59 am-5:20 am

2 stops19h 21m

London

Thu 8/27

8:40 pm-10:57 am

2 stops14h 17m

$1,793
Cheapest one-way
Quickest one-way

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Mon 8/17

10:25 am-9:40 pm

2 stops11h 15m

$441

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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 8h 40m. 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

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.