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$135+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YOW
juin 17 — juin 241
mar. 6/17
mar. 6/24
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 juin 12, 2025.

Round-trip from

$389
(Kiwi.com)

One-way from

$135
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$412
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 ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 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 juin 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
mer. 7/98:40 amBWI - YOW
1 stop8h 26mMultiple Airlines
jeu. 7/175:00 pmYOW - BWI
1 stop5h 21mMultiple Airlines
Deal found 6/10$389
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/231:34 pmBWI - YOW
2 stops10h 48mWestJet
mer. 6/255:55 amYOW - BWI
2 stops17h 53mWestJet
Deal found 6/11$768
This United Airlines deal was found by Cheapflights users on 6/10. 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.
jeu. 7/36:15 amBWI - YOW
1 stop15h 20mUnited Airlines
dim. 7/65:15 amYOW - BWI
2 stops28h 48mUnited Airlines
Deal found 6/10$861
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/49:22 amBWI - YOW
2 stops15h 00mDelta
ven. 8/85:55 amYOW - BWI
2 stops10h 46mDelta
Deal found 6/10$991

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 juin 12, 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

mer. 7/9

8:40 am-5:06 pm

1 stop8h 26m

Ottawa

jeu. 7/17

5:00 pm-10:21 pm

1 stop5h 21m

$389

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

lun. 6/23

1:34 pm-12:22 am

2 stops10h 48m

Ottawa

mer. 6/25

5:55 am-11:48 pm

2 stops17h 53m

$768

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

jeu. 7/3

6:15 am-9:35 pm

1 stop15h 20m

Ottawa

dim. 7/6

5:15 am-10:03 am

2 stops28h 48m

$861

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

lun. 8/4

9:22 am-12:22 am

2 stops15h 00m

Ottawa

ven. 8/8

5:55 am-4:41 pm

2 stops10h 46m

$991

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

lun. 7/14

7:10 am-4:58 pm

1 stop9h 48m

$135

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

sam. 8/23

6:15 am-5:06 pm

1 stop10h 51m

$326

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

sam. 8/23

1:20 pm-6:45 am

2 stops17h 25m

$355

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

dim. 7/27

9:22 am-12:22 am

2 stops15h 00m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 juin 12, 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.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ottawa ranges from 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

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 juin 12, 2025.
See what other customers who have flown with Delta, United Airlines and WestJet from Baltimore to Ottawa have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
2,868 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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 flying from Baltimore to Ottawa round-trip?

    Cheapflights users have booked flights from Baltimore to Ottawa round-trip from $768. Other airlines that can offer you cheap pricing are United Airlines, from $861, and Delta, from $991.

  • 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 $326. 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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Alternative routes for Baltimore to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Baltimore to Ottawa

Discover the top 2 airlines 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 juin 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$480Average$713FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$660Average$895FlexibilityNo cancel feeOn-time69%

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