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Cheap flights from Ottawa to Baltimore from C$ 244

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 24/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Baltimore

Enter your travel dates to find the best prices.

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 10 March 2026.

Thu 16/44:15 p.m.
YOW
-
BWI
1 stop17h 22m
Multiple Airlines
Sun 19/49:59 p.m.
BWI
-
YOW
1 stop19h 00m
Multiple Airlines
Deal found 5/3C$ 433
Thu 23/47:00 a.m.
YOW
-
BWI
1 stop15h 20m
Multiple Airlines
Sat 25/45:53 p.m.
BWI
-
YOW
2 stops18h 42m
Multiple Airlines
Deal found 5/3C$ 494
Mon 20/47:00 a.m.
YOW
-
BWI
2 stops28h 22m
Multiple Airlines
Mon 27/49:59 p.m.
BWI
-
YOW
1 stop19h 00m
Multiple Airlines
Deal found 6/3C$ 501
Wed 15/47:00 a.m.
YOW
-
BWI
1 stop26h 17m
Multiple Airlines
Wed 22/45:49 p.m.
BWI
-
YOW
2 stops23h 36m
Multiple Airlines
Deal found 6/3C$ 507
Fri 29/52:30 p.m.
YOW
-
BWI
1 stop17h 37m
Multiple Airlines
Mon 1/69:59 p.m.
BWI
-
YOW
1 stop18h 54m
Multiple Airlines
Deal found 5/3C$ 516
Fri 24/44:15 p.m.
YOW
-
BWI
1 stop16h 28m
Multiple Airlines
Fri 1/56:35 a.m.
BWI
-
YOW
1 stop10h 18m
Multiple Airlines
Deal found 10/3C$ 518
Tue 5/511:00 a.m.
YOW
-
BWI
2 stops21h 07m
Multiple Airlines
Fri 15/59:43 p.m.
BWI
-
YOW
1 stop17h 32m
Multiple Airlines
Deal found 6/3C$ 536

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 10 March 2026.

Round-trip from

C$ 433

One-way from

C$ 259

Popular in

November

Cheapest in

April

Average price

C$ 501
16/4-19/4
  • 16/4-19/4
  • 2 total stops
  • 36h 22m total
  • Ottawa to Baltimore
Search Deals
23/4
  • 23/4
  • 1 total stop
  • 17h 22m total
  • Ottawa to Baltimore
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 629,999 searches. Data last updated 10 March 2026.
Use the filters below to find and compare flights from Ottawa to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 28/4

4:45 p.m.-8:07 a.m.

1 stop15h 22m

Baltimore/Washington

Thu 30/4

9:59 p.m.-4:53 p.m.

1 stop18h 54m

C$ 545

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sun 3/5

2:20 p.m.-8:02 a.m.

2 stops17h 42m

Baltimore/Washington

Tue 5/5

9:59 p.m.-4:53 p.m.

1 stop18h 54m

C$ 590

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 24/4

4:15 p.m.-8:43 a.m.

1 stop16h 28m

Baltimore/Washington

Fri 1/5

9:59 p.m.-12:54 p.m.

2 stops14h 55m

C$ 613

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sun 26/4

4:15 p.m.-9:15 a.m.

1 stop17h 00m

Baltimore/Washington

Thu 30/4

5:30 a.m.-5:25 p.m.

1 stop11h 55m

C$ 692

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sat 4/4

3:55 p.m.-10:36 a.m.

2 stops18h 41m

Baltimore/Washington

Mon 6/4

8:58 a.m.-5:13 p.m.

1 stop8h 15m

C$ 844
Quickest round-trip

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 16/4

5:25 p.m.-9:39 a.m.

1 stop16h 14m

Baltimore/Washington

Sat 18/4

11:08 a.m.-5:07 p.m.

1 stop5h 59m

C$ 871

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sun 3/5

8:40 a.m.-10:06 p.m.

2 stops13h 26m

Baltimore/Washington

Tue 5/5

6:00 a.m.-2:55 p.m.

2 stops8h 55m

C$ 875

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 17/4

10:44 a.m.-9:23 p.m.

1 stop10h 39m

Baltimore/Washington

Sun 19/4

6:00 a.m.-9:35 p.m.

1 stop15h 35m

C$ 877
Cheapest one-way

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 24/4

4:15 p.m.-8:43 a.m.

1 stop16h 28m

C$ 244

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 25/3

4:15 p.m.-9:14 a.m.

1 stop16h 59m

C$ 262

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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, June is the cheapest month in which you can book a flight from Ottawa to Baltimore (average of C$ 191). Flying from Ottawa to Baltimore in March is currently the most expensive (average of C$ 381). 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.

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated 10 March 2026.
See what other customers who have flown with United Airlines from Ottawa to Baltimore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,409 reviews
Check prices

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,409 reviews
United Airlines
7.4
Good
9,409 reviews
Check prices

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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.

  • What is the cheapest airline to fly from Ottawa to Baltimore round-trip?

    Cheapflights users have booked flights from Ottawa to Baltimore round-trip from C$ 423.

  • 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, June is the cheapest month in which you can book a flight from Ottawa to Baltimore (average of C$ 191). Flying from Ottawa to Baltimore in March is currently the most expensive (average of C$ 381). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ottawa to Baltimore

Discover the top airline that operate flights from Ottawa to Baltimore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 423AverageC$ 867FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ottawa to Baltimore?

Cheapflights helps you search for flights from Ottawa to Baltimore via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Baltimore from Ottawa by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ottawa to Baltimore with no change fees?

Need flexible booking options for your flight to Baltimore from Ottawa? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Ottawa to Baltimore flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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