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Cheap flights from Baltimore to Ottawa from C$ 185

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YOW
17 Jun — 24 Jun1
1 adult

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 12 June 2025.

Round-trip from

C$ 532

One-way from

C$ 185

Popular in

March

Cheapest in

January

Average price

C$ 563
9/7-17/7
  • 9/7-17/7
  • 2 total stops
  • 13h 47m total
  • Baltimore to Ottawa
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14/7
  • 14/7
  • 1 total stop
  • 9h 48m total
  • Baltimore to Ottawa
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 17 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 12 June 2025.

Wed 9/78:40 a.m.BWI - YOW
1 stop8h 26mMultiple Airlines
Thu 17/75:00 p.m.YOW - BWI
1 stop5h 21mMultiple Airlines
Deal found 10/6C$ 532
Mon 23/61:34 p.m.BWI - YOW
2 stops10h 48mWestJet
Wed 25/65:55 a.m.YOW - BWI
2 stops17h 53mWestJet
Deal found 11/6C$ 1,050
Thu 3/76:15 a.m.BWI - YOW
1 stop15h 20mUnited Airlines
Sun 6/75:15 a.m.YOW - BWI
2 stops28h 48mUnited Airlines
Deal found 10/6C$ 1,177
Mon 4/89:22 a.m.BWI - YOW
2 stops15h 00mDelta
Fri 8/85:55 a.m.YOW - BWI
2 stops10h 46mDelta
Deal found 10/6C$ 1,355

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 629,999 searches. Data last updated 12 June 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 9/7

8:40 a.m.-5:06 p.m.

1 stop8h 26m

Ottawa

Thu 17/7

5:00 p.m.-10:21 p.m.

1 stop5h 21m

C$ 532

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 23/6

1:34 p.m.-12:22 a.m.

2 stops10h 48m

Ottawa

Wed 25/6

5:55 a.m.-11:48 p.m.

2 stops17h 53m

C$ 1,050

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 3/7

6:15 a.m.-9:35 p.m.

1 stop15h 20m

Ottawa

Sun 6/7

5:15 a.m.-10:03 a.m.

2 stops28h 48m

C$ 1,177

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 4/8

9:22 a.m.-12:22 a.m.

2 stops15h 00m

Ottawa

Fri 8/8

5:55 a.m.-4:41 p.m.

2 stops10h 46m

C$ 1,355

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 14/7

7:10 a.m.-4:58 p.m.

1 stop9h 48m

C$ 185

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 23/8

6:15 a.m.-5:06 p.m.

1 stop10h 51m

C$ 446

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 23/8

1:20 p.m.-6:45 a.m.

2 stops17h 25m

C$ 485

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sun 27/7

9:22 a.m.-12:22 a.m.

2 stops15h 00m

C$ 693

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

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, October is the cheapest month in which you can book a flight from Baltimore to Ottawa (average of C$ 224). Flying from Baltimore to Ottawa in December is currently the most expensive (average of C$ 326). 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 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 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

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 12 June 2025.
Read reviews from past customers who have flown Delta, United Airlines and WestJet from Baltimore to Ottawa. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

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
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

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
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

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
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

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?

    Flying on WestJet is currently your cheapest option to Ottawa, with prices starting at C$ 1,050. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at C$ 1,177 and C$ 1,355, respectively.

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

    One-way options have recently been found by users for as low as C$ 446 on United Airlines. Other airlines that offer cheap prices include WestJet from C$ 485 and Delta from C$ 693 one-way.

  • 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, October is the cheapest month in which you can book a flight from Baltimore to Ottawa (average of C$ 224). Flying from Baltimore to Ottawa in December is currently the most expensive (average of C$ 326). 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

Travelling to a place near Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
Gatineau
Brockville
Perth
Smiths Falls
Prescott
Pembroke
Wakefield
Lanark

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Why should you use Cheapflights to find cheap flight tickets from Baltimore to Ottawa?

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Can Cheapflights find flights from Baltimore to Ottawa with no change fees?

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