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Cheap flights from Baltimore to Ottawa from C$ 210

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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YOW
20 Apr — 27 Apr1
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 15 April 2025.

Round-trip from

C$ 499

One-way from

C$ 210

Popular in

March

Cheapest in

January

Average price

C$ 446
1/5-7/5
  • 1/5-7/5
  • 2 total stops
  • 25h 16m total
  • Baltimore to Ottawa
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30/4
  • 30/4
  • 1 total stop
  • 21h 20m total
  • Baltimore to Ottawa
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 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 15 April 2025.

Thu 1/56:50 a.m.BWI - YOW
1 stop10h 25mMultiple Airlines
Wed 7/54:40 p.m.YOW - BWI
1 stop14h 51mMultiple Airlines
Deal found 15/4C$ 499
Sat 10/51:00 p.m.BWI - YOW
2 stops11h 22mDelta
Sat 17/56:05 a.m.YOW - BWI
2 stops11h 33mDelta
Deal found 15/4C$ 1,153
Fri 25/76:00 a.m.BWI - YOW
2 stops23h 25mWestJet
Mon 28/76:10 a.m.YOW - BWI
2 stops29h 00mWestJet
Deal found 14/4C$ 1,176
Mon 21/76:15 a.m.BWI - YOW
1 stop10h 51mUnited Airlines
Sun 27/76:33 a.m.YOW - BWI
1 stop7h 15mUnited Airlines
Deal found 15/4C$ 1,466

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 15 April 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

Thu 1/5

6:50 a.m.-5:15 p.m.

1 stop10h 25m

Ottawa

Wed 7/5

4:40 p.m.-7:31 a.m.

1 stop14h 51m

C$ 499

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 10/5

1:00 p.m.-12:22 a.m.

2 stops11h 22m

Ottawa

Sat 17/5

6:05 a.m.-5:38 p.m.

2 stops11h 33m

C$ 1,153

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 25/7

6:00 a.m.-5:25 a.m.

2 stops23h 25m

Ottawa

Mon 28/7

6:10 a.m.-11:10 a.m.

2 stops29h 00m

C$ 1,176

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 21/7

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

1 stop10h 51m

Ottawa

Sun 27/7

6:33 a.m.-1:48 p.m.

1 stop7h 15m

C$ 1,466

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 30/4

7:55 p.m.-5:15 p.m.

1 stop21h 20m

C$ 210

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 15/5

9:55 a.m.-12:22 a.m.

2 stops14h 27m

C$ 517

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 15/5

6:45 a.m.-5:33 p.m.

1 stop10h 48m

C$ 588

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 25/4

8:05 a.m.-8:47 p.m.

2 stops12h 42m

C$ 793

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

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 15 April 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
7,917 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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?

    Flying on Delta is currently your cheapest option to Ottawa, with prices starting at C$ 1,153. Additional round-trip tickets that might be worth considering are offered by WestJet and United Airlines, with the lowest prices starting at C$ 1,176 and C$ 1,466, 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$ 517 on Delta. Other airlines that offer cheap prices include United Airlines from C$ 588 and WestJet from C$ 793 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
Perth
Smiths Falls
Prescott
Brockville
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?

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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