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Cheap flights from Ottawa to Baltimore from C$ 254

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
29 May — 5 Jun1
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 29 April 2026.

Mon 11/54:20 p.m.
YOW
-
BWI
2 stops23h 26m
Multiple Airlines
Sat 16/56:02 p.m.
BWI
-
YOW
1 stop20h 58m
Multiple Airlines
Deal found 24/4C$ 479
Mon 1/67:00 a.m.
YOW
-
BWI
2 stops24h 43m
Multiple Airlines
Fri 5/67:48 p.m.
BWI
-
YOW
1 stop19h 12m
Multiple Airlines
Deal found 27/4C$ 546
Sun 7/66:25 p.m.
YOW
-
BWI
2 stops38h 36m
Multiple Airlines
Fri 12/67:48 p.m.
BWI
-
YOW
1 stop19h 12m
Multiple Airlines
Deal found 27/4C$ 553
Fri 29/57:00 a.m.
YOW
-
BWI
1 stop12h 06m
Multiple Airlines
Thu 4/67:10 a.m.
BWI
-
YOW
2 stops12h 55m
Multiple Airlines
Deal found 28/4C$ 565
Thu 28/57:00 a.m.
YOW
-
BWI
2 stops16h 29m
Multiple Airlines
Wed 3/66:30 a.m.
BWI
-
YOW
2 stops13h 35m
Multiple Airlines
Deal found 24/4C$ 582
Fri 12/66:25 p.m.
YOW
-
BWI
2 stops26h 10m
Multiple Airlines
Fri 19/69:30 p.m.
BWI
-
YOW
1 stop17h 03m
Multiple Airlines
Deal found 27/4C$ 608
Wed 10/67:00 a.m.
YOW
-
BWI
2 stops12h 06m
Multiple Airlines
Sat 20/66:09 p.m.
BWI
-
YOW
2 stops18h 45m
Multiple Airlines
Deal found 27/4C$ 628
Thu 30/47:00 a.m.
YOW
-
BWI
1 stop26h 37m
Multiple Airlines
Thu 7/59:13 p.m.
BWI
-
YOW
2 stops44h 22m
Multiple Airlines
Deal found 25/4C$ 646
Thu 18/67:00 a.m.
YOW
-
BWI
2 stops14h 26m
Multiple Airlines
Tue 30/66:00 a.m.
BWI
-
YOW
2 stops18h 20m
Multiple Airlines
Deal found 28/4C$ 653
Tue 1/97:00 a.m.
YOW
-
BWI
2 stops12h 22m
Multiple Airlines
Tue 8/96:00 p.m.
BWI
-
YOW
1 stop22h 53m
Multiple Airlines
Deal found 27/4C$ 657

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 29 April 2026.

Round-trip from

C$ 479

One-way from

C$ 254

Popular in

May

Cheapest in

August

Average price

C$ 518
11/5-16/5
  • 11/5-16/5
  • 3 total stops
  • 44h 24m total
  • Ottawa to Baltimore
Search Deals
11/6
  • 11/6
  • 2 total stops
  • 13h 35m total
  • Ottawa to Baltimore
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 29 April 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 10/6

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

2 stops26h 01m

Baltimore/Washington

Sat 20/6

6:25 a.m.-3:00 p.m.

1 stop8h 35m

C$ 664

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 5/6

7:00 a.m.-8:35 a.m.

3 stops25h 35m

Baltimore/Washington

Mon 8/6

7:48 p.m.-12:25 a.m.

3 stops28h 37m

C$ 679

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 1/6

3:30 p.m.-11:29 p.m.

3 stops31h 59m

Baltimore/Washington

Fri 5/6

7:10 a.m.-8:05 p.m.

2 stops12h 55m

C$ 728

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 19/6

7:00 a.m.-9:26 p.m.

1 stop14h 26m

Baltimore/Washington

Sun 21/6

9:09 a.m.-8:10 p.m.

2 stops11h 01m

C$ 751

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 14/5

9:05 a.m.-11:29 p.m.

2 stops14h 24m

Baltimore/Washington

Mon 18/5

7:48 p.m.-5:35 p.m.

3 stops21h 47m

C$ 784

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sat 23/5

7:00 a.m.-5:47 p.m.

2 stops10h 47m

Baltimore/Washington

Sat 30/5

8:10 p.m.-2:55 p.m.

2 stops18h 45m

C$ 807

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 30/7

2:30 p.m.-10:48 p.m.

1 stop8h 18m

Baltimore/Washington

Sun 9/8

9:28 p.m.-12:20 a.m.

2 stops26h 52m

C$ 862
Quickest round-trip

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 21/8

6:25 a.m.-1:57 p.m.

1 stop7h 32m

Baltimore/Washington

Tue 25/8

12:30 p.m.-9:35 p.m.

1 stop9h 05m

C$ 896

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 1/9

5:20 p.m.-9:34 a.m.

1 stop16h 14m

Baltimore/Washington

Tue 8/9

12:30 p.m.-9:35 p.m.

1 stop9h 05m

C$ 897

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 3/6

6:25 a.m.-5:33 p.m.

1 stop11h 08m

Baltimore/Washington

Sat 6/6

10:44 a.m.-9:35 p.m.

1 stop10h 51m

C$ 897

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

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.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Baltimore

What’s the top layover airport for flights from Ottawa to Baltimore?

Share of one-stop round-trip flights from Ottawa to Baltimore chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 67% of one-stop itineraries from Ottawa to Baltimore on Cheapflights.

What’s the cheapest layover airport for flights from Ottawa to Baltimore?

Average round-trip fare for 1-stop flights from Ottawa to Baltimore, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Toronto (YTZ) is the most affordable 1-stop option, with an average round-trip price of C$ 404.

What’s the fastest layover option from Ottawa to Baltimore?

Shortest average travel time for 1-stop one-way flights from Ottawa to Baltimore, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Toronto (YTZ) have the shortest average one-way travel time for 1-stop routes: 3h 40m.

Which airport typically offers the quickest layover for flights from Ottawa to Baltimore?

Average layover duration for 1-stop one-way flights from Ottawa to Baltimore, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YTZ) offer the fastest connection on this route, with an average layover time of 1h 27m.

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 29 April 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
9,680 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,680 reviews
United Airlines
7.4
Good
9,680 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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$ 426.

  • 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 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 426AverageC$ 872FlexibilityNo 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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