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$169+ Cheap flights from Ottawa (YOW) to Maryland

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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheap flight deals from Ottawa to Maryland

Cheapest flights from Ottawa to Maryland
Explore the most affordable flight options available from Ottawa to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.

This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:40 am
YOW
-
IAD
1 stop4h 30m
Porter Airlines
Sun 10/43:50 pm
IAD
-
YOW
1 stop4h 12m
Porter Airlines
Deal found 7/28$313
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:40 am
YOW
-
IAD
1 stop4h 30m
Porter Airlines
Sat 9/511:25 am
IAD
-
YOW
1 stop7h 42m
Porter Airlines
Deal found 7/30$314
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:05 am
YOW
-
DCA
1 stop6h 33m
Air Canada
Sun 8/236:00 am
DCA
-
YOW
1 stop3h 39m
Air Canada
Deal found 7/30$314
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:40 am
YOW
-
IAD
1 stop4h 30m
Porter Airlines
Sat 9/2611:25 am
IAD
-
YOW
1 stop7h 42m
Porter Airlines
Deal found 7/28$315
This Air Canada deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:40 am
YOW
-
DCA
Nonstop1h 34m
Air Canada
Sat 9/512:55 pm
DCA
-
YOW
Nonstop1h 31m
Air Canada
Deal found 7/30$315
This Air Canada deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:25 am
YOW
-
DCA
Nonstop1h 35m
Air Canada
Mon 8/2412:40 pm
DCA
-
YOW
Nonstop1h 31m
Air Canada
Deal found 7/31$316
This Air Canada deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:25 am
YOW
-
DCA
Nonstop1h 35m
Air Canada
Sun 9/612:55 pm
DCA
-
YOW
Nonstop1h 31m
Air Canada
Deal found 7/31$317
This Trip.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:10 pm
YOW
-
DCA
1 stop4h 24m
Air Canada
Mon 9/216:00 am
DCA
-
YOW
1 stop4h 18m
Air Canada
Deal found 7/31$320
This SmartFares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:40 am
YOW
-
DCA
Nonstop1h 34m
Air Canada
Sun 9/2012:55 pm
DCA
-
YOW
Nonstop1h 32m
Air Canada
Deal found 7/29$321
This Air Canada deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:25 pm
YOW
-
IAD
1 stop4h 43m
Air Canada
Sun 9/65:40 pm
IAD
-
YOW
1 stop4h 12m
Air Canada
Deal found 7/30$326
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:40 am
YOW
-
IAD
1 stop4h 30m
Porter Airlines
Sun 9/611:25 am
IAD
-
YOW
1 stop6h 27m
Porter Airlines
Deal found 7/30$328
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:25 am
YOW
-
DCA
Nonstop1h 35m
Air Canada
Sun 10/412:40 pm
DCA
-
YOW
Nonstop1h 30m
Air Canada
Deal found 7/29$328

Find flight deals from Ottawa to Maryland

Keep the following information in mind while searching for Ottawa to Maryland flight deals. Data was last updated August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$313
(Trip.com)

One-way from

$169
(Trip.com)

Popular in

May

Cheapest in

December

Average price

$340
Provider with most accurate pricing for Ottawa-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-Washington, D.C. (WAS) flights.
Search Deals
From Ottawa to Maryland
Search Deals
One-way flight from Ottawa to Maryland
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Maryland 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 2,558,603 searches. Data last updated August 1, 2026.
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 - DCA

YOWDCA

Ottawa

Thu 8/20

9:05 am-3:38 pm

1 stop6h 33m

Washington, D.C. Reagan-National

Sun 8/23

6:00 am-9:39 am

1 stop3h 39m

$314

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 10/2

5:50 pm-9:50 pm

1 stop4h 00m

Washington, D.C. Reagan-National

Sun 10/4

12:40 pm-2:10 pm

Nonstop1h 30m

$331

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 9/11

6:00 am-7:43 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Fri 9/18

5:20 pm-9:52 pm

1 stop4h 32m

$336

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sun 9/13

6:00 am-10:20 am

1 stop4h 20m

Washington, D.C. Reagan-National

Sun 9/20

4:20 pm-10:10 pm

1 stop5h 50m

$338

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 8/29

10:40 am-3:10 pm

1 stop4h 30m

Washington, D.C. Dulles Intl

Tue 9/1

11:25 am-5:52 pm

1 stop6h 27m

$339

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 9/3

9:05 am-3:38 pm

1 stop6h 33m

Washington, D.C. Reagan-National

Mon 9/7

12:55 pm-2:26 pm

Nonstop1h 31m

$342
Quickest round-trip

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 9/4

10:40 am-12:14 pm

Nonstop1h 34m

Washington, D.C. Reagan-National

Sun 9/6

12:55 pm-2:26 pm

Nonstop1h 31m

$347

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 8/20

7:30 pm-9:14 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 8/23

5:20 pm-9:52 pm

1 stop4h 32m

$352

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 10/2

7:30 pm-9:14 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 10/4

5:15 pm-9:52 pm

1 stop4h 37m

$353

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 10/30

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Sun 11/1

6:00 am-9:47 am

1 stop3h 47m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 59 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
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 Maryland

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

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Maryland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Ottawa (YOW) is the airport you will fly out of if you book a flight from Ottawa to Maryland. It is only a 6.6 mi journey to Ottawa (YOW) from Ottawa’s city center.

  • How long is the flight from Ottawa to Maryland?

    Airlines like Air Canada, Porter Airlines, and United Airlines fly from Ottawa to Maryland in about 4h 30m. The time it takes to get you to your destination can typically vary by up to 2h 03m. Airlines will cover a distance of 449 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Most travelers choose Ottawa - Washington, D.C. Dulles Intl, Ottawa - Washington, D.C. Reagan-National or Ottawa - Baltimore/Washington when deciding on the best route from Ottawa to Maryland.

  • 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

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