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$152+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheap 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 December 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/23. 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 12/259:30 amYOW - BWI
2 stops14h 16mMultiple Airlines
Sat 12/2710:00 pmBWI - YOW
1 stop25h 58mMultiple Airlines
Deal found 12/23$831
This FlightHub deal was found by Cheapflights users on 12/23. 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.
Thu 12/255:45 pmYOW - BWI
2 stops29h 47mWestJet
Sat 12/2712:20 pmBWI - YOW
2 stops12h 22mWestJet
Deal found 12/23$1,050

Find 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 December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$264
(Kiwi.com)

One-way from

$152
(Kiwi.com)

Popular in

February

Cheapest in

June

Average price

$312
Provider with most accurate pricing for Ottawa-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-Baltimore/Washington flights.
Search Deals
From Ottawa to Baltimore/Washington
Search Deals
One-way flight from Ottawa to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 31% potential increase in price ($281 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 26, 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

Sat 1/17

4:20 pm-12:17 am

1 stop7h 57m

Baltimore/Washington

Mon 1/19

1:54 pm-11:58 pm

1 stop10h 04m

$264

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 2/9

4:20 pm-6:59 pm

1 stop26h 39m

Baltimore/Washington

Mon 2/16

9:04 pm-12:25 am

1 stop27h 21m

$268

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 1/21

9:30 am-12:27 pm

1 stop26h 57m

Baltimore/Washington

Wed 1/28

8:00 am-5:13 pm

1 stop9h 13m

$276

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 1/9

4:15 pm-8:31 am

1 stop16h 16m

Baltimore/Washington

Tue 1/13

8:00 am-5:13 pm

1 stop9h 13m

$286

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sun 2/8

4:20 pm-12:10 pm

1 stop19h 50m

Baltimore/Washington

Sun 2/15

9:04 pm-12:25 am

1 stop27h 21m

$323

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 1/14

4:15 pm-11:34 pm

1 stop31h 19m

$153

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 1/9

4:20 pm-10:59 pm

1 stop30h 39m

$155

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 2/18

4:20 pm-8:00 am

1 stop15h 40m

$156

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 2/9

4:20 pm-6:59 pm

1 stop26h 39m

$158

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sat 1/10

4:20 pm-11:47 pm

1 stop7h 27m

$160

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 12 results
1
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Compare providers for flights from Ottawa to Baltimore

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 Ottawa to Baltimore in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 Ottawa-Baltimore flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ottawa-Baltimore flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ottawa-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ottawa-Baltimore flights, Cheapflights users trust eDreams the most. eDreams 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 Ottawa-Baltimore 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 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, April is the cheapest month in which you can book a flight from Ottawa to Baltimore (average of $73). Flying from Ottawa to Baltimore in July is currently the most expensive (average of $238). 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 Ottawa to Baltimore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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, April is the cheapest month in which you can book a flight from Ottawa to Baltimore (average of $73). Flying from Ottawa to Baltimore in July is currently the most expensive (average of $238). 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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