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Cheap flights from Baltimore to Ottawa from C$ 191

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YOW
4 May — 11 May1
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 29 April 2025.

Round-trip from

C$ 514

One-way from

C$ 191

Popular in

March

Cheapest in

January

Average price

C$ 461
26/5-2/6
  • 26/5-2/6
  • 2 total stops
  • 9h 19m total
  • Baltimore to Ottawa
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13/5
  • 13/5
  • 1 total stop
  • 8h 40m total
  • Baltimore to Ottawa
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 17 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).
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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 29 April 2025.

Mon 26/55:35 a.m.BWI - YOW
1 stop4h 38mMultiple Airlines
Mon 2/64:40 p.m.YOW - BWI
1 stop4h 41mMultiple Airlines
Deal found 27/4C$ 514
Thu 12/65:40 a.m.BWI - YOW
2 stops23h 45mWestJet
Thu 19/66:10 a.m.YOW - BWI
2 stops12h 28mWestJet
Deal found 28/4C$ 1,070
Wed 9/79:22 a.m.BWI - YOW
2 stops15h 00mDelta
Wed 16/75:55 a.m.YOW - BWI
2 stops10h 46mDelta
Deal found 28/4C$ 1,073
Wed 16/76:15 a.m.BWI - YOW
1 stop15h 20mUnited Airlines
Sun 20/75:25 p.m.YOW - BWI
1 stop28h 17mUnited Airlines
Deal found 28/4C$ 1,305

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 29 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

Mon 26/5

5:35 a.m.-10:13 a.m.

1 stop4h 38m

Ottawa

Mon 2/6

4:40 p.m.-9:21 p.m.

1 stop4h 41m

C$ 514

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 12/6

5:40 a.m.-5:25 a.m.

2 stops23h 45m

Ottawa

Thu 19/6

6:10 a.m.-6:38 p.m.

2 stops12h 28m

C$ 1,070

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 9/7

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

2 stops15h 00m

Ottawa

Wed 16/7

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

2 stops10h 46m

C$ 1,073

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 16/7

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

1 stop15h 20m

Ottawa

Sun 20/7

5:25 p.m.-9:42 p.m.

1 stop28h 17m

C$ 1,305

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 13/5

8:26 a.m.-5:06 p.m.

1 stop8h 40m

C$ 191

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 28/5

1:52 p.m.-12:22 a.m.

2 stops10h 30m

C$ 550

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 17/6

6:40 a.m.-9:35 p.m.

1 stop14h 55m

C$ 603

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 28/5

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

2 stops14h 27m

C$ 695

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

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 29 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
7,929 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

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
8,696 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

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
2,823 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

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 WestJet is currently your cheapest option to Ottawa, with prices starting at C$ 1,070. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at C$ 1,073 and C$ 1,305, 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$ 550 on WestJet. Other airlines that offer cheap prices include United Airlines from C$ 603 and Delta from C$ 695 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.

Can Cheapflights notify me if prices for flights from Baltimore to Ottawa become cheaper?

Of course! You can now track prices for flights from Baltimore to Ottawa and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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