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Cheap flights from Baltimore to Ottawa from C$ 137

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YOW
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Baltimore to Ottawa

Enter your travel dates to find the best prices.

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 December 2025.

Tue 30/126:30 a.m.BWI - YOW
1 stop17h 55mMultiple Airlines
Sun 4/14:20 p.m.YOW - BWI
2 stops42h 18mMultiple Airlines
Deal found 11/12C$ 636
Mon 29/129:09 p.m.BWI - YOW
1 stop26h 49mMultiple Airlines
Sun 4/19:25 a.m.YOW - BWI
2 stops35h 10mMultiple Airlines
Deal found 11/12C$ 643
Mon 29/129:09 p.m.BWI - YOW
1 stop26h 49mMultiple Airlines
Sat 3/13:55 p.m.YOW - BWI
2 stops24h 46mMultiple Airlines
Deal found 11/12C$ 731
Wed 24/126:18 p.m.BWI - YOW
1 stop23h 07mMultiple Airlines
Sat 3/19:25 a.m.YOW - BWI
2 stops31h 16mMultiple Airlines
Deal found 10/12C$ 749
Tue 30/126:30 a.m.BWI - YOW
1 stop17h 55mMultiple Airlines
Sat 3/13:55 p.m.YOW - BWI
2 stops24h 46mMultiple Airlines
Deal found 11/12C$ 757
Sun 14/128:00 p.m.BWI - YOW
2 stops20h 51mMultiple Airlines
Tue 16/129:30 a.m.YOW - BWI
1 stop23h 52mMultiple Airlines
Deal found 10/12C$ 764
Mon 29/129:09 p.m.BWI - YOW
1 stop26h 49mMultiple Airlines
Fri 2/13:05 p.m.YOW - BWI
2 stops16h 17mMultiple Airlines
Deal found 11/12C$ 778
Fri 26/1210:00 p.m.BWI - YOW
2 stops18h 51mMultiple Airlines
Wed 31/124:20 p.m.YOW - BWI
1 stop7h 29mMultiple Airlines
Deal found 9/12C$ 781
Tue 30/126:30 a.m.BWI - YOW
1 stop17h 55mMultiple Airlines
Fri 2/13:05 p.m.YOW - BWI
2 stops16h 17mMultiple Airlines
Deal found 11/12C$ 805

Find 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 December 2025.

Round-trip from

C$ 317

One-way from

C$ 137

Popular in

March

Cheapest in

January

Average price

C$ 585
2/2-6/2
  • 2/2-6/2
  • 4 total stops
  • 34h 42m total
  • Baltimore to Ottawa
Search Deals
25/1
  • 25/1
  • 1 total stop
  • 23h 38m total
  • Baltimore to Ottawa
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 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

Mon 2/2

1:00 p.m.-5:25 p.m.

1 stop28h 25m

Ottawa

Fri 6/2

4:20 p.m.-11:47 p.m.

1 stop7h 27m

C$ 462

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 2/2

6:56 p.m.-5:25 p.m.

2 stops22h 29m

Ottawa

Thu 5/2

4:20 p.m.-11:47 p.m.

1 stop7h 27m

C$ 465

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 24/1

9:26 a.m.-12:25 a.m.

1 stop14h 59m

Ottawa

Sat 31/1

9:40 a.m.-6:50 p.m.

1 stop9h 10m

C$ 499

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 23/3

8:08 p.m.-12:25 a.m.

2 stops28h 17m

Ottawa

Fri 27/3

4:20 p.m.-11:29 p.m.

3 stops31h 09m

C$ 556

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 16/1

4:44 p.m.-11:58 p.m.

1 stop7h 14m

Ottawa

Tue 20/1

6:45 a.m.-10:27 a.m.

3 stops27h 42m

C$ 594

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 24/12

6:18 p.m.-5:25 p.m.

1 stop23h 07m

Ottawa

Sat 3/1

9:25 a.m.-4:41 p.m.

2 stops31h 16m

C$ 749

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sun 25/1

5:47 p.m.-5:25 p.m.

1 stop23h 38m

C$ 137

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 24/1

9:26 a.m.-12:25 a.m.

1 stop14h 59m

C$ 205

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 1/1

10:40 a.m.-11:58 p.m.

1 stop13h 18m

C$ 295

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 9/6

6:17 a.m.-9:14 p.m.

1 stop14h 57m

C$ 487

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 13 results
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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, March is the cheapest month in which you can book a flight from Baltimore to Ottawa (average of C$ 154). Flying from Baltimore to Ottawa in June is currently the most expensive (average of C$ 295). 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 Baltimore to Ottawa. 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 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, March is the cheapest month in which you can book a flight from Baltimore to Ottawa (average of C$ 154). Flying from Baltimore to Ottawa in June is currently the most expensive (average of C$ 295). 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 Ottawa?

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

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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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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?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Baltimore to Ottawa, users can toggle the no change fees filter when performing a flight search.

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