Find flights
When to book
FAQs

Cheap flights from Ottawa to Baltimore from C$ 255

YOW — BWI
7 Oct — 14 Oct1
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

Fri 2/107:00 a.m. -
1 stop10h 27m
Mon 5/103:04 p.m. -
1 stop8h 41m
Deal found 6/9C$ 528
Mon 12/107:15 a.m. -
1 stop29h 46m
Wed 14/105:40 a.m. -
2 stops11h 43m
Deal found 5/9C$ 544
Mon 19/107:15 a.m. -
1 stop29h 46m
Sat 31/101:56 p.m. -
2 stops35h 48m
Deal found 4/9C$ 582
Mon 19/108:15 p.m. -
2 stops20h 32m
Fri 30/101:56 p.m. -
1 stop9h 36m
Deal found 5/9C$ 595
Sat 3/107:00 a.m. -
1 stop7h 11m
Sat 10/109:52 p.m. -
2 stops19h 43m
Deal found 5/9C$ 620
Sat 19/97:00 a.m. -
1 stop7h 11m
Mon 28/99:25 p.m. -
2 stops21h 55m
Deal found 2/9C$ 653
Tue 1/128:00 a.m. -
1 stop16h 55m
Thu 3/127:29 p.m. -
2 stops19h 16m
Deal found 6/9C$ 659
Wed 2/128:00 a.m. -
1 stop16h 55m
Thu 3/1212:40 p.m. -
1 stop28h 04m
Deal found 7/9C$ 674
Fri 25/97:00 a.m. -
1 stop10h 27m
Sun 27/96:00 a.m. -
2 stops37h 20m
Deal found 3/9C$ 679
Mon 19/104:15 p.m. -
1 stop16h 05m
Thu 22/109:59 p.m. -
2 stops26h 21m
Deal found 4/9C$ 692

Find flight deals from Ottawa to Baltimore

Round-trip from

C$ 528

One-way from

C$ 255

Popular in

May

Cheapest in

December

Average price

C$ 592
2/10-5/10
  • 2/10-5/10
  • 2 total stops
  • 19h 08m total
  • Ottawa to Baltimore
Search Deals
5/10-31/12
  • 5/10-31/12
  • 1 total stop
  • 29h 45m total
  • Ottawa to Baltimore
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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 Ottawa - BWI Baltimore/Washington

YOWBWI

Ottawa

Mon 5/10

7:15 a.m.-1:00 p.m.

1 stop29h 45m

Baltimore/Washington

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 255

OttawaBaltimore

YOW Ottawa - BWI Baltimore/Washington

YOWBWI

Ottawa

Sun 18/10

6:25 p.m.-4:47 p.m.

3 stops46h 22m

Baltimore/Washington

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 292

OttawaBaltimore

YOW Ottawa - BWI Baltimore/Washington

YOWBWI

Ottawa

Fri 2/10

7:00 a.m.-8:31 a.m.

1 stop25h 31m

Baltimore/Washington

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 314

OttawaBaltimore

YOW Ottawa - BWI Baltimore/Washington

YOWBWI

Ottawa

Wed 2/12

5:30 a.m.-11:37 a.m.

2 stops30h 07m

Baltimore/Washington

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 340

OttawaBaltimore

YOW Ottawa - BWI Baltimore/Washington

YOWBWI

Ottawa

Thu 3/12

7:05 a.m.-11:37 a.m.

1 stop28h 32m

Baltimore/Washington

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 387

OttawaBaltimore

YOW Ottawa - BWI Baltimore/Washington

YOWBWI

Ottawa

Wed 2/12

7:00 a.m.-6:02 p.m.

2 stops11h 02m

Baltimore/Washington

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 444

OttawaBaltimore

YOW Ottawa - BWI Baltimore/Washington

YOWBWI

Ottawa

Fri 16/10

8:15 p.m.-12:34 a.m.

3 stops52h 19m

Baltimore/Washington

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 468

OttawaBaltimore

YOW Ottawa - BWI Baltimore/Washington

YOWBWI

Ottawa

Sun 18/10

10:37 a.m.-10:59 p.m.

1 stop12h 22m

Baltimore/Washington

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 505

OttawaBaltimore

YOW Ottawa - BWI Baltimore/Washington

YOWBWI

Ottawa

Fri 25/9

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

1 stop10h 27m

Baltimore/Washington

Sun 27/9

6:00 a.m.-7:20 p.m.

2 stops37h 20m

C$ 679

OttawaBaltimore

YOW Ottawa - BWI Baltimore/Washington

YOWBWI

Ottawa

Thu 29/10

8:00 a.m.-5:33 p.m.

1 stop9h 33m

Baltimore/Washington

Mon 2/11

9:12 p.m.-2:45 p.m.

2 stops17h 33m

C$ 726

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 15 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

Related info for your journey

  • How long is the flight from Ottawa to Baltimore?

    Departing from Ottawa to Baltimore will take you 12h 22m. There are 687 km between Ottawa and Baltimore.

  • 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

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.