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$170+ Cheap flights from Ottawa (YOW) to Baltimore (BWI)

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Ottawa to Baltimore

Cheapest flights from Ottawa to Baltimore
Explore the most affordable flight options available from Ottawa to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This Trip.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/94:15 pm
YOW
-
BWI
1 stop16h 51m
Multiple Airlines
Mon 3/1610:19 am
BWI
-
YOW
1 stop14h 06m
Multiple Airlines
Deal found 2/9$306
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:00 am
YOW
-
BWI
1 stop11h 45m
Multiple Airlines
Wed 4/88:39 pm
BWI
-
YOW
1 stop20h 34m
Multiple Airlines
Deal found 2/9$318
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/244:15 pm
YOW
-
BWI
1 stop16h 59m
Multiple Airlines
Thu 4/99:18 am
BWI
-
YOW
1 stop7h 55m
Multiple Airlines
Deal found 2/9$320
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/34:15 pm
YOW
-
BWI
1 stop16h 51m
Multiple Airlines
Sat 3/74:53 pm
BWI
-
YOW
2 stops18h 42m
Multiple Airlines
Deal found 2/9$321
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/244:15 pm
YOW
-
BWI
1 stop16h 59m
Multiple Airlines
Tue 4/710:09 am
BWI
-
YOW
1 stop7h 04m
Multiple Airlines
Deal found 2/9$327
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/259:30 am
YOW
-
BWI
1 stop10h 14m
Multiple Airlines
Tue 4/710:09 am
BWI
-
YOW
1 stop7h 04m
Multiple Airlines
Deal found 2/10$333
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/267:00 am
YOW
-
BWI
1 stop11h 45m
Multiple Airlines
Thu 4/99:18 am
BWI
-
YOW
1 stop7h 55m
Multiple Airlines
Deal found 2/9$335
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/267:00 am
YOW
-
BWI
1 stop11h 45m
Multiple Airlines
Tue 4/710:09 am
BWI
-
YOW
1 stop7h 04m
Multiple Airlines
Deal found 2/10$337

Find flight deals from Ottawa to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Baltimore (BWI). 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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$306
(Trip.com)

One-way from

$170
(Trip.com)

Popular in

February

Cheapest in

June

Average price

$1,551
Provider with most accurate pricing for Ottawa-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-Baltimore/Washington flights.
Search Deals
From Ottawa to Baltimore/Washington
Search Deals
One-way flight from Ottawa to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 39% potential increase in price ($388 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 20% potential price decrease ($106 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Baltimore 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 2,558,603 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Ottawa to Baltimore that are best for you.

Fly from

Ottawa

Fly to

Baltimore

Route

Depart

Return

Price

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 3/9

4:15 pm-9:06 am

1 stop16h 51m

Baltimore/Washington

Mon 3/16

10:19 am-12:25 am

1 stop14h 06m

$306

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 3/26

7:00 am-6:45 pm

1 stop11h 45m

Baltimore/Washington

Tue 4/7

10:09 am-5:13 pm

1 stop7h 04m

$337

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 3/25

4:15 pm-8:41 am

1 stop16h 26m

Baltimore/Washington

Wed 4/8

7:12 pm-12:25 am

1 stop29h 13m

$340

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 3/25

9:30 am-7:44 pm

1 stop10h 14m

Baltimore/Washington

Thu 4/9

9:18 am-5:13 pm

1 stop7h 55m

$341

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 3/30

4:15 pm-9:14 am

1 stop16h 59m

Baltimore/Washington

Wed 4/1

7:12 pm-5:25 pm

1 stop22h 13m

$341

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 3/25

4:15 pm-8:41 am

1 stop16h 26m

Baltimore/Washington

Tue 4/7

10:09 am-5:13 pm

1 stop7h 04m

$350

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 3/4

7:00 am-11:31 pm

1 stop16h 31m

Baltimore/Washington

Fri 3/6

6:38 pm-5:25 pm

2 stops22h 47m

$352

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 3/24

9:30 am-7:44 pm

1 stop10h 14m

Baltimore/Washington

Wed 4/8

12:01 pm-12:39 am

2 stops12h 38m

$352

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 3/23

5:40 am-2:24 pm

3 stops32h 44m

$181

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sat 3/28

7:00 am-11:59 pm

1 stop16h 59m

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 15 results
1
2
  • Most accurate provider: When it comes to deals on Ottawa-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ottawa-Baltimore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ottawa-Baltimore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ottawa to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Ottawa 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 Ottawa to Baltimore

What is the cheapest month to book a flight from Ottawa to Baltimore?

Currently, April is the cheapest month in which you can book a flight from Ottawa to Baltimore (average of $73). Flying from Ottawa to Baltimore in July is currently the most expensive (average of $238). 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 Ottawa to Baltimore. 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 Ottawa to Baltimore that include hotel bookings?

    Yes. In addition to deals on Ottawa to Baltimore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Baltimore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Baltimore.

  • Can I find deals for business class flights from Ottawa to Baltimore?

    Yes. Cheapflights offers flight deals from Ottawa to Baltimore 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 Ottawa to Baltimore?

    Currently, April is the cheapest month in which you can book a flight from Ottawa to Baltimore (average of $73). Flying from Ottawa to Baltimore in July is currently the most expensive (average of $238). 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

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