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$187+ Cheap flights from Baltimore (BWI) to Ottawa (YOW)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YOW
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Baltimore to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Ottawa (YOW). 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 3, 2025.

Round-trip from

$385
(Kiwi.com)

One-way from

$187
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$413
From Baltimore/Washington to Ottawa
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One-way flight from Baltimore/Washington to Ottawa
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Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Baltimore to Ottawa

Cheapest flights from Baltimore to Ottawa
Explore the most affordable flight options available from Baltimore to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/318:00 amBWI - YOW
1 stop9h 06mMultiple Airlines
Wed 8/64:25 pmYOW - BWI
1 stop7h 24mMultiple Airlines
Deal found 7/2$385

Cheapflights Fare Finder

Customize your flight search to find flights from Baltimore to Ottawa 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 3, 2025.
Use the filters below to find and compare flights from Baltimore to Ottawa that are best for you.

Fly from

Baltimore

Fly to

Ottawa

Route

Depart

Return

Price

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 7/31

8:00 am-5:06 pm

1 stop9h 06m

Ottawa

Wed 8/6

4:25 pm-11:49 pm

1 stop7h 24m

$385

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 8/4

7:10 am-4:58 pm

1 stop9h 48m

$187

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 8/23

10:51 am-9:35 pm

1 stop10h 44m

$337

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 8/27

6:15 am-12:41 am

2 stops18h 26m

$362

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 7/9

9:22 am-12:22 am

2 stops15h 00m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Baltimore to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa 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 Ottawa

What is the cheapest month to book a flight from Baltimore to Ottawa?

Currently, January is the cheapest month in which you can book a flight from Baltimore to Ottawa (average of $294). Flying from Baltimore to Ottawa in September is currently the most expensive (average of $428). 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.

What is the cheapest time of day to fly from BWI to YOW?

Find hourly flight availability from Baltimore to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 13% on flights from Baltimore to Ottawa by exploring options for tickets in the morning.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated July 3, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and WestJet from Baltimore to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,845 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,917 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Baltimore to Ottawa one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $337. However, be on the lookout for offers from WestJet and Delta, as they are both options that can get you from Baltimore to Ottawa for a low price.

  • Can I find deals for flights from Baltimore to Ottawa that include hotel bookings?

    Yes. In addition to deals on Baltimore to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Ottawa.

  • Can I find deals for business class flights from Baltimore to Ottawa?

    Yes. Cheapflights offers flight deals from Baltimore to Ottawa 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 Ottawa?

    Currently, January is the cheapest month in which you can book a flight from Baltimore to Ottawa (average of $294). Flying from Baltimore to Ottawa in September is currently the most expensive (average of $428). 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 Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
Gatineau
Petawawa

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Top airline flying from Baltimore to Ottawa

Discover the top airline that operate flights from Baltimore to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$480Average$713FlexibilityNo cancel feeOn-time67%

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