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$117+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YOW
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$341
(Kiwi.com)

One-way from

$117
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$321
Provider with most accurate pricing for Baltimore/Washington-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Ottawa flights.
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From Baltimore/Washington to Ottawa
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One-way flight from Baltimore/Washington to Ottawa
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Wed 5/288:26 amBWI - YOW
1 stop8h 40mMultiple Airlines
Thu 5/294:40 pmYOW - BWI
1 stop4h 41mMultiple Airlines
Deal found 4/14$341
This Delta deal was found by Cheapflights users on 4/14. 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.
Sat 5/101:00 pmBWI - YOW
2 stops11h 22mDelta
Sat 5/176:05 amYOW - BWI
2 stops11h 33mDelta
Deal found 4/14$828
This WestJet deal was found by Cheapflights users on 4/14. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/265:40 amBWI - YOW
2 stops18h 42mWestJet
Fri 5/307:15 pmYOW - BWI
2 stops26h 33mWestJet
Deal found 4/14$845
This United Airlines deal was found by Cheapflights users on 4/15. 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 7/216:15 amBWI - YOW
1 stop10h 51mUnited Airlines
Sun 7/276:33 amYOW - BWI
1 stop7h 15mUnited Airlines
Deal found 4/15$1,054

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 April 15, 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

Wed 5/28

8:26 am-5:06 pm

1 stop8h 40m

Ottawa

Thu 5/29

4:40 pm-9:21 pm

1 stop4h 41m

$341

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 5/10

1:00 pm-12:22 am

2 stops11h 22m

Ottawa

Sat 5/17

6:05 am-5:38 pm

2 stops11h 33m

$828

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 5/26

5:40 am-12:22 am

2 stops18h 42m

Ottawa

Fri 5/30

7:15 pm-9:48 pm

2 stops26h 33m

$845

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 7/21

6:15 am-5:06 pm

1 stop10h 51m

Ottawa

Sun 7/27

6:33 am-1:48 pm

1 stop7h 15m

$1,054

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 5/27

6:41 am-5:15 pm

1 stop10h 34m

$117

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 5/15

9:55 am-12:22 am

2 stops14h 27m

$372

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sun 6/1

11:32 am-12:22 am

2 stops12h 50m

$402

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 5/15

6:45 am-5:33 pm

1 stop10h 48m

$423

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Compare providers for flights from Baltimore to Ottawa

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 Baltimore to Ottawa in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
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 Baltimore-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Ottawa 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 Baltimore-Ottawa 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 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 May is currently the most expensive (average of $460). 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 April 15, 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 April 15, 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
7,917 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,658 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,805 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $828. Other airlines that can offer you cheap pricing are WestJet, from $845, and United Airlines, from $1,054.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $372. However, be on the lookout for offers from WestJet and United Airlines, 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 May is currently the most expensive (average of $460). 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
Brockville
Pembroke
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 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$660Average$895FlexibilityNo cancel feeOn-time69%

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