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Cheap flights from Ottawa to Baltimore from C$ 293

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
27 Aug — 3 Sep1
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 28 July 2026.

Mon 21/94:15 p.m.
YOW
-
BWI
1 stop16h 16m
Multiple Airlines
Sat 26/95:03 p.m.
BWI
-
YOW
2 stops31h 17m
Multiple Airlines
Deal found 28/7C$ 633
Fri 11/97:00 a.m.
YOW
-
BWI
1 stop25h 31m
Multiple Airlines
Fri 18/99:27 a.m.
BWI
-
YOW
2 stops31h 56m
Multiple Airlines
Deal found 28/7C$ 687
Mon 14/97:00 a.m.
YOW
-
BWI
1 stop30h 00m
Multiple Airlines
Mon 21/910:20 a.m.
BWI
-
YOW
2 stops19h 15m
Multiple Airlines
Deal found 26/7C$ 708
Fri 25/97:00 a.m.
YOW
-
BWI
1 stop25h 31m
Multiple Airlines
Wed 30/91:55 p.m.
BWI
-
YOW
2 stops34h 25m
Multiple Airlines
Deal found 26/7C$ 711
Sat 5/97:00 a.m.
YOW
-
BWI
1 stop29h 25m
Multiple Airlines
Mon 7/99:32 p.m.
BWI
-
YOW
2 stops19h 51m
Multiple Airlines
Deal found 23/7C$ 759
Fri 6/118:00 a.m.
YOW
-
BWI
1 stop12h 55m
Multiple Airlines
Mon 9/117:27 p.m.
BWI
-
YOW
1 stop21h 17m
Multiple Airlines
Deal found 27/7C$ 760
Fri 21/89:05 a.m.
YOW
-
BWI
2 stops22h 21m
Multiple Airlines
Fri 28/81:20 p.m.
BWI
-
YOW
1 stop25h 35m
Multiple Airlines
Deal found 23/7C$ 787
Fri 28/87:00 a.m.
YOW
-
BWI
1 stop7h 35m
Multiple Airlines
Mon 31/811:09 a.m.
BWI
-
YOW
1 stop12h 39m
Multiple Airlines
Deal found 26/7C$ 814
Mon 28/97:00 a.m.
YOW
-
BWI
2 stops13h 44m
Multiple Airlines
Mon 5/103:04 p.m.
BWI
-
YOW
1 stop8h 44m
Multiple Airlines
Deal found 27/7C$ 825
Fri 2/107:00 a.m.
YOW
-
BWI
1 stop10h 27m
Multiple Airlines
Mon 5/103:04 p.m.
BWI
-
YOW
1 stop8h 44m
Multiple Airlines
Deal found 27/7C$ 849

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 28 July 2026.

Round-trip from

C$ 633

One-way from

C$ 293

Popular in

May

Cheapest in

December

Average price

C$ 601
21/9-26/9
  • 21/9-26/9
  • 3 total stops
  • 47h 33m total
  • Ottawa to Baltimore
Search Deals
24/8
  • 24/8
  • 1 total stop
  • 29h 25m total
  • Ottawa to Baltimore
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 28 July 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

Fri 2/10

7:00 a.m.-5:27 p.m.

1 stop10h 27m

Baltimore/Washington

Mon 5/10

9:27 a.m.-11:48 p.m.

1 stop14h 21m

C$ 863

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 8/9

7:00 a.m.-5:45 p.m.

2 stops10h 45m

Baltimore/Washington

Fri 11/9

6:01 a.m.-8:00 p.m.

2 stops13h 59m

C$ 888

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 21/8

7:00 a.m.-11:59 p.m.

1 stop16h 59m

Baltimore/Washington

Fri 28/8

1:20 p.m.-2:55 p.m.

1 stop25h 35m

C$ 945

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 21/9

6:25 a.m.-6:12 p.m.

1 stop11h 47m

Baltimore/Washington

Sat 26/9

6:08 a.m.-2:09 p.m.

1 stop8h 01m

C$ 1,048

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 9/9

10:37 a.m.-6:22 p.m.

1 stop7h 45m

Baltimore/Washington

Thu 10/9

8:25 a.m.-5:16 p.m.

1 stop8h 51m

C$ 1,048
Quickest round-trip

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 17/9

5:20 p.m.-10:59 p.m.

1 stop5h 39m

Baltimore/Washington

Mon 21/9

12:10 p.m.-9:35 p.m.

1 stop9h 25m

C$ 1,049

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 25/9

6:25 a.m.-1:58 p.m.

1 stop7h 33m

Baltimore/Washington

Wed 30/9

9:09 a.m.-9:35 p.m.

1 stop12h 26m

C$ 1,049

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 22/12

6:15 a.m.-9:40 p.m.

1 stop15h 25m

Baltimore/Washington

Sat 2/1

6:15 a.m.-9:31 p.m.

1 stop15h 16m

C$ 1,049

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 11/9

8:40 a.m.-9:44 a.m.

3 stops25h 04m

Baltimore/Washington

Fri 18/9

7:09 p.m.-8:00 p.m.

2 stops24h 51m

C$ 1,072

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 20/8

10:37 a.m.-6:42 p.m.

1 stop8h 05m

Baltimore/Washington

Wed 26/8

6:05 a.m.-1:59 p.m.

1 stop7h 54m

C$ 1,080

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/7

Showing 1-10 of 17 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.

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 28 July 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
10,049 reviews
Check prices

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

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
10,049 reviews
United Airlines
7.4
Good
10,049 reviews
Check prices

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

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.

  • How long is the flight from Ottawa to Baltimore?

    Departing from Ottawa to Baltimore will take you 10h 45m. There are 687 km between Ottawa and Baltimore. This flight may include one or multiple stops.

  • 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$ 440.

  • 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.

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 28 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 440AverageC$ 1,078FlexibilityNo 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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