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Cheap flights from Ottawa to Maryland from C$ 251

YOW — BWI
17 Oct — 24 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Maryland

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Maryland

Thu 15/1010:40 a.m. -
1 stop4h 30m
Mon 19/1011:25 a.m. -
1 stop6h 27m
Deal found 15/9C$ 434
Fri 9/1010:40 a.m. -
1 stop4h 30m
Mon 12/103:50 p.m. -
1 stop4h 12m
Deal found 13/9C$ 438
Thu 15/1010:40 a.m. -
1 stop4h 30m
Thu 22/103:50 p.m. -
1 stop5h 52m
Deal found 15/9C$ 439
Sun 4/1010:40 a.m. -
1 stop4h 30m
Mon 5/103:50 p.m. -
1 stop5h 52m
Deal found 13/9C$ 441
Fri 16/1010:40 a.m. -
1 stop4h 30m
Mon 26/1011:20 a.m. -
1 stop4h 49m
Deal found 13/9C$ 445
Fri 16/1010:40 a.m. -
1 stop4h 30m
Sun 25/1011:20 a.m. -
1 stop4h 49m
Deal found 13/9C$ 446
Sun 1/115:45 a.m. -
1 stop4h 44m
Sun 8/116:00 a.m. -
1 stop5h 37m
Deal found 17/9C$ 450
Thu 15/1011:15 a.m. -
1 stop3h 42m
Mon 19/105:20 p.m. -
1 stop4h 32m
Deal found 15/9C$ 452
Thu 15/106:00 a.m. -
Nonstop1h 43m
Mon 19/1010:10 p.m. -
Nonstop1h 44m
Deal found 16/9C$ 455
Thu 1/1010:40 a.m. -
1 stop4h 30m
Mon 5/103:50 p.m. -
1 stop4h 12m
Deal found 13/9C$ 456
Fri 9/1010:40 a.m. -
1 stop4h 30m
Fri 23/103:50 p.m. -
1 stop4h 12m
Deal found 12/9C$ 457
Thu 15/106:00 a.m. -
1 stop4h 20m
Mon 19/104:20 p.m. -
1 stop5h 50m
Deal found 15/9C$ 457

Find flight deals from Ottawa to Maryland

Round-trip from

C$ 434

One-way from

C$ 251

Popular in

May

Cheapest in

December

Average price

C$ 510
Porter Airlines
  • Porter Airlines
  • 15/10-19/10
  • 2 total stops
  • 10h 57m total
  • Ottawa to Maryland
Search Deals
19/10-31/12
  • 19/10-31/12
  • 1 total stop
  • 29h 46m total
  • Ottawa to Maryland
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ottawa to Maryland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaWashington, D.C.

YOW Ottawa - IAD Washington, D.C. Dulles Intl

YOWIAD

Ottawa

Wed 2/12

2:00 p.m.-3:53 p.m.

Nonstop1h 53m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 264

OttawaWashington, D.C.

YOW Ottawa - IAD Washington, D.C. Dulles Intl

YOWIAD

Ottawa

Thu 26/11

9:45 a.m.-11:48 a.m.

Nonstop2h 03m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 264

OttawaWashington, D.C.

YOW Ottawa - DCA Washington, D.C. Reagan-National

YOWDCA

Ottawa

Sat 3/10

11:15 a.m.-3:40 p.m.

1 stop4h 25m

Washington, D.C. Reagan-National

Wed 31/12

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

Nonstop0h 00m

C$ 278

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Sun 1/11

7:05 a.m.-7:21 a.m.

2 stops48h 16m

Philadelphia

Wed 31/12

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

Nonstop0h 00m

C$ 282

OttawaWashington, D.C.

YOW Ottawa - DCA Washington, D.C. Reagan-National

YOWDCA

Ottawa

Thu 26/11

6:00 a.m.-10:31 a.m.

1 stop4h 31m

Washington, D.C. Reagan-National

Wed 31/12

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

Nonstop0h 00m

C$ 284

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Sun 25/10

7:00 a.m.-7:21 a.m.

3 stops48h 21m

Philadelphia

Wed 31/12

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

Nonstop0h 00m

C$ 296

OttawaWashington, D.C.

YOW Ottawa - DCA Washington, D.C. Reagan-National

YOWDCA

Ottawa

Sun 31/1

5:45 a.m.-10:29 a.m.

1 stop4h 44m

Washington, D.C. Reagan-National

Wed 31/12

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

Nonstop0h 00m

C$ 301

OttawaWashington, D.C.

YOW Ottawa - IAD Washington, D.C. Dulles Intl

YOWIAD

Ottawa

Sat 3/10

7:00 a.m.-12:10 a.m.

3 stops17h 10m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 319

OttawaWashington, D.C.

YOW Ottawa - IAD Washington, D.C. Dulles Intl

YOWIAD

Ottawa

Sat 24/10

7:30 p.m.-9:14 p.m.

Nonstop1h 44m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 324

OttawaBaltimore

YOW Ottawa - BWI Baltimore/Washington

YOWBWI

Ottawa

Fri 30/10

5:35 a.m.-8:57 p.m.

2 stops39h 22m

Baltimore/Washington

Wed 31/12

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

Nonstop0h 00m

C$ 324

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ottawa to Maryland

Have a flexible travel schedule? Discover the best time to fly to Maryland from Ottawa with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

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

No data available for this route at this time. Please check back soon.

Related info for your journey

  • What airport do you fly from for flights from Ottawa to Maryland?

    For a flight from Ottawa to Maryland, you will be flying from Ottawa. Ottawa (YOW) is just 10.6 km from the centre of the city.

  • How long is the flight from Ottawa to Maryland?

    For as low as C$ 469, Air Canada can have you in Maryland from Ottawa in 1h 43m. There are 723 km between Ottawa and Maryland. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Ottawa to Maryland?

    The most popular route from Ottawa to Maryland is Ottawa - Washington, D.C. Dulles Intl. You may also consider Ottawa - Washington, D.C. Reagan-National or Ottawa - Baltimore/Washington.

  • Can I find deals for flights from Ottawa to Maryland that include hotel bookings?

    Yes. In addition to deals on Ottawa to Maryland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Maryland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Maryland.

  • Can I find deals for business class flights from Ottawa to Maryland?

    Yes. Cheapflights offers flight deals from Ottawa to Maryland 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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