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Cheap flights from Ottawa to Baltimore from C$ 309

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 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
8 Jul — 15 Jul1
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 8 June 2026.

Fri 17/77:00 a.m.
YOW
-
BWI
1 stop17h 23m
Multiple Airlines
Sun 19/71:05 p.m.
BWI
-
YOW
2 stops30h 39m
Multiple Airlines
Deal found 7/6C$ 648
Wed 29/72:10 p.m.
YOW
-
BWI
2 stops17h 16m
Multiple Airlines
Sun 2/81:05 p.m.
BWI
-
YOW
1 stop26h 10m
Multiple Airlines
Deal found 8/6C$ 712
Fri 3/72:10 p.m.
YOW
-
BWI
2 stops17h 35m
Multiple Airlines
Fri 10/79:38 p.m.
BWI
-
YOW
1 stop16h 57m
Multiple Airlines
Deal found 5/6C$ 760
Sat 19/97:00 a.m.
YOW
-
BWI
1 stop13h 57m
Multiple Airlines
Mon 21/93:20 p.m.
BWI
-
YOW
1 stop8h 28m
Multiple Airlines
Deal found 7/6C$ 772
Fri 12/67:00 a.m.
YOW
-
BWI
1 stop26h 01m
Multiple Airlines
Tue 23/67:16 p.m.
BWI
-
YOW
2 stops21h 37m
Multiple Airlines
Deal found 4/6C$ 789
Fri 12/67:00 a.m.
YOW
-
BWI
1 stop26h 01m
Multiple Airlines
Sun 14/69:30 p.m.
BWI
-
YOW
2 stops22h 35m
Multiple Airlines
Deal found 8/6C$ 790
Sat 19/98:40 a.m.
YOW
-
BWI
2 stops23h 53m
American Airlines
Mon 21/92:54 p.m.
BWI
-
YOW
2 stops24h 01m
American Airlines
Deal found 7/6C$ 827
Fri 4/97:00 a.m.
YOW
-
BWI
1 stop26h 06m
Multiple Airlines
Sat 12/98:00 a.m.
BWI
-
YOW
2 stops32h 20m
Multiple Airlines
Deal found 7/6C$ 831
Thu 23/78:40 a.m.
YOW
-
BWI
2 stops15h 34m
American Airlines
Mon 27/78:18 p.m.
BWI
-
YOW
2 stops18h 37m
American Airlines
Deal found 8/6C$ 846

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 8 June 2026.

Round-trip from

C$ 648

One-way from

C$ 316

Popular in

May

Cheapest in

August

Average price

C$ 530
17/7-19/7
  • 17/7-19/7
  • 3 total stops
  • 48h 02m total
  • Ottawa to Baltimore
Search Deals
20/7
  • 20/7
  • 1 total stop
  • 29h 10m total
  • Ottawa to Baltimore
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 64 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).
Search Deals
Average for round-trip flights in June 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 8 June 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

Wed 29/7

2:10 p.m.-7:26 a.m.

2 stops17h 16m

Baltimore/Washington

Sun 2/8

1:05 p.m.-3:15 p.m.

1 stop26h 10m

C$ 712

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 23/7

8:40 a.m.-12:14 a.m.

2 stops15h 34m

Baltimore/Washington

Mon 27/7

8:18 p.m.-2:55 p.m.

2 stops18h 37m

C$ 846

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 19/6

7:00 a.m.-9:01 a.m.

1 stop26h 01m

Baltimore/Washington

Sat 20/6

9:51 p.m.-8:10 p.m.

2 stops22h 19m

C$ 850

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 17/7

2:10 p.m.-7:26 a.m.

2 stops17h 16m

Baltimore/Washington

Fri 24/7

9:38 p.m.-2:35 p.m.

1 stop16h 57m

C$ 850

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 8/10

7:00 a.m.-6:32 p.m.

2 stops11h 32m

Baltimore/Washington

Sun 1/11

1:55 p.m.-11:22 p.m.

1 stop9h 27m

C$ 881

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 22/7

8:40 a.m.-12:14 a.m.

2 stops15h 34m

Baltimore/Washington

Thu 23/7

5:02 a.m.-2:55 p.m.

2 stops9h 53m

C$ 913

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sat 3/10

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

1 stop7h 33m

Baltimore/Washington

Wed 7/10

6:05 a.m.-9:35 p.m.

1 stop15h 30m

C$ 920
Quickest round-trip

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 4/9

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

1 stop7h 33m

Baltimore/Washington

Sat 12/9

10:25 a.m.-9:35 p.m.

1 stop11h 10m

C$ 920

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 17/7

6:25 a.m.-9:26 p.m.

1 stop15h 01m

Baltimore/Washington

Sun 19/7

8:16 a.m.-5:07 p.m.

1 stop8h 51m

C$ 920
Cheapest one-way

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 9/9

7:00 a.m.-1:00 p.m.

2 stops30h 00m

C$ 344

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 20 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 8 June 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
9,781 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,781 reviews
United Airlines
7.4
Good
9,781 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 15h 34m. There are 687 km between Ottawa and Baltimore.

  • 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$ 435.

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 8 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 435AverageC$ 890FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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