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$209+ Cheap flights from Ottawa (YOW) to Baltimore (BWI)

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Ottawa to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Baltimore (BWI). 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 June 12, 2025.

Round-trip from

$374
(Kiwi.com)

One-way from

$209
(Mytrip)

Popular in

February

Cheapest in

April

Average price

$249
From Ottawa to Baltimore/Washington
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One-way flight from Ottawa to Baltimore/Washington
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Highest demand for flights based on searches. 25% potential increase in price ($191 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($52 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 Ottawa to Baltimore

Cheapest flights from Ottawa to Baltimore
Explore the most affordable flight options available from Ottawa to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 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.
Mon 7/285:00 pmYOW - BWI
1 stop14h 30mMultiple Airlines
Sun 8/36:20 pmBWI - YOW
1 stop22h 38mMultiple Airlines
Deal found 6/10$374
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/126:33 amYOW - BWI
1 stop7h 15mUnited Airlines
Thu 8/146:15 amBWI - YOW
1 stop10h 51mUnited Airlines
Deal found 6/12$552
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/297:15 pmYOW - BWI
2 stops25h 36mWestJet
Mon 9/16:15 amBWI - YOW
2 stops18h 25mWestJet
Deal found 6/12$555
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/215:55 amYOW - BWI
2 stops9h 57mDelta
Sat 10/251:00 pmBWI - YOW
2 stops11h 22mDelta
Deal found 6/11$730

Cheapflights Fare Finder

Customize your flight search to find flights from Ottawa to Baltimore 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 June 12, 2025.
Use the filters below to find and compare flights from Ottawa to Baltimore that are best for you.

Fly from

Ottawa

Fly to

Baltimore

Route

Depart

Return

Price

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 7/28

5:00 pm-7:30 am

1 stop14h 30m

Baltimore/Washington

Sun 8/3

6:20 pm-4:58 pm

1 stop22h 38m

$374

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 8/12

6:33 am-1:48 pm

1 stop7h 15m

Baltimore/Washington

Thu 8/14

6:15 am-5:06 pm

1 stop10h 51m

$552

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 8/29

7:15 pm-8:51 pm

2 stops25h 36m

Baltimore/Washington

Mon 9/1

6:15 am-12:40 am

2 stops18h 25m

$555

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 10/21

5:55 am-3:52 pm

2 stops9h 57m

Baltimore/Washington

Sat 10/25

1:00 pm-12:22 am

2 stops11h 22m

$730

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 7/1

3:50 pm-7:33 pm

1 stop27h 43m

$209

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 7/28

5:55 am-11:18 pm

2 stops41h 23m

$363

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sat 7/19

5:25 pm-11:24 pm

1 stop5h 59m

$437

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sat 7/19

5:55 am-4:41 pm

2 stops10h 46m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Ottawa to Baltimore

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

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

Currently, August is the cheapest month in which you can book a flight from Ottawa to Baltimore (average of $241). Flying from Ottawa to Baltimore in March is currently the most expensive (average of $290). 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.

Rainfall in Baltimore by month

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

In terms of precipitation, rainfall in Baltimore ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Baltimore when rainfall is around 2.9 in.

Temperature in Baltimore by month

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

If weather is an important factor for your trip to Baltimore, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and WestJet from Ottawa to Baltimore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

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
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

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
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

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 Ottawa to Baltimore. 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 Ottawa to Baltimore round-trip?

    According to our current data, United Airlines ($552), WestJet ($555), and Delta ($730) offers the cheapest pricing from Ottawa to Baltimore.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $363. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Ottawa to Baltimore for a low price.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Ottawa to Baltimore (average of $241). Flying from Ottawa to Baltimore in March is currently the most expensive (average of $290). 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

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