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Cheap flights from Baltimore to Ottawa from C$ 147

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YOW
11 oct. — 18 oct.1
1 adult
1 adult, Economy

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 11 septiembre 2025.

Round-trip from

C$ 359

One-way from

C$ 147

Popular in

March

Cheapest in

January

Average price

C$ 563
2/10-7/10
  • 2/10-7/10
  • 2 total stops
  • 42h 18m total
  • Baltimore to Ottawa
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1/10
  • 1/10
  • 1 total stop
  • 24h 33m total
  • Baltimore to Ottawa
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
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Average for round-trip flights in September 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 11 septiembre 2025.

jue. 2/109:37 p.m.BWI - YOW
1 stop19h 20mMultiple Airlines
mar. 7/103:50 p.m.YOW - BWI
1 stop22h 58mMultiple Airlines
Deal found 9/9C$ 359
mar. 7/1011:19 a.m.BWI - YOW
1 stop29h 38mMultiple Airlines
vie. 17/103:50 p.m.YOW - BWI
1 stop17h 44mMultiple Airlines
Deal found 9/9C$ 360
mar. 7/1011:19 a.m.BWI - YOW
1 stop29h 38mMultiple Airlines
lun. 13/103:50 p.m.YOW - BWI
1 stop19h 11mMultiple Airlines
Deal found 9/9C$ 369
mar. 7/1011:19 a.m.BWI - YOW
1 stop29h 38mMultiple Airlines
jue. 16/103:50 p.m.YOW - BWI
1 stop20h 04mMultiple Airlines
Deal found 9/9C$ 370
mar. 7/1011:19 a.m.BWI - YOW
1 stop29h 38mMultiple Airlines
mié. 15/103:50 p.m.YOW - BWI
1 stop19h 11mMultiple Airlines
Deal found 9/9C$ 373
vie. 24/1012:29 p.m.BWI - YOW
1 stop28h 28mMultiple Airlines
vie. 31/109:30 a.m.YOW - BWI
1 stop10h 46mMultiple Airlines
Deal found 9/9C$ 378
lun. 6/106:56 a.m.BWI - YOW
1 stop10h 24mMultiple Airlines
vie. 17/103:50 p.m.YOW - BWI
1 stop17h 44mMultiple Airlines
Deal found 9/9C$ 384
jue. 2/109:37 p.m.BWI - YOW
1 stop19h 20mMultiple Airlines
lun. 6/103:50 p.m.YOW - BWI
1 stop19h 11mMultiple Airlines
Deal found 9/9C$ 388
lun. 6/106:56 a.m.BWI - YOW
1 stop10h 24mMultiple Airlines
lun. 13/103:50 p.m.YOW - BWI
1 stop19h 11mMultiple Airlines
Deal found 9/9C$ 392
lun. 6/106:56 a.m.BWI - YOW
1 stop10h 24mMultiple Airlines
jue. 16/103:50 p.m.YOW - BWI
1 stop20h 04mMultiple Airlines
Deal found 9/9C$ 395
mié. 8/108:00 a.m.BWI - YOW
1 stop8h 57mMultiple Airlines
vie. 17/103:50 p.m.YOW - BWI
1 stop17h 44mMultiple Airlines
Deal found 9/9C$ 396
lun. 6/106:56 a.m.BWI - YOW
1 stop10h 24mMultiple Airlines
mié. 15/103:50 p.m.YOW - BWI
1 stop19h 11mMultiple Airlines
Deal found 9/9C$ 398

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 11 septiembre 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

jue. 2/10

9:37 p.m.-4:57 p.m.

1 stop19h 20m

Ottawa

mar. 7/10

3:50 p.m.-2:48 p.m.

1 stop22h 58m

C$ 359

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

jue. 2/10

9:37 p.m.-4:57 p.m.

1 stop19h 20m

Ottawa

lun. 6/10

3:50 p.m.-11:01 a.m.

1 stop19h 11m

C$ 388

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

mié. 1/10

4:24 p.m.-4:57 p.m.

1 stop24h 33m

Ottawa

lun. 6/10

3:50 p.m.-11:01 a.m.

1 stop19h 11m

C$ 406

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

jue. 2/10

9:38 a.m.-12:22 a.m.

2 stops14h 44m

Ottawa

dom. 12/10

3:50 p.m.-11:54 a.m.

1 stop20h 04m

C$ 437

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

lun. 27/10

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

1 stop10h 29m

Ottawa

jue. 30/10

9:30 a.m.-7:26 p.m.

1 stop9h 56m

C$ 468

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

dom. 28/9

6:50 a.m.-5:20 p.m.

1 stop10h 30m

Ottawa

mar. 30/9

4:25 p.m.-3:29 p.m.

1 stop23h 04m

C$ 484

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

vie. 10/10

6:56 a.m.-5:20 p.m.

1 stop10h 24m

Ottawa

mar. 14/10

3:50 p.m.-11:01 a.m.

1 stop19h 11m

C$ 496

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

jue. 4/12

5:10 a.m.-5:25 p.m.

1 stop12h 15m

Ottawa

dom. 7/12

4:15 p.m.-11:25 a.m.

1 stop19h 10m

C$ 516

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

vie. 10/10

8:21 p.m.-5:20 p.m.

1 stop20h 59m

Ottawa

lun. 13/10

3:50 p.m.-11:01 a.m.

1 stop19h 11m

C$ 527

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

mié. 1/10

5:45 a.m.-12:21 a.m.

2 stops18h 36m

Ottawa

jue. 2/10

7:15 p.m.-7:01 a.m.

3 stops35h 46m

C$ 549

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 18 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, 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.

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

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