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$180+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
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 March 16, 2026.

This Trip.com deal was found by Cheapflights users on 3/11. 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 4/261:20 pm
YOW
-
IAD
1 stop3h 54m
Porter Airlines
Thu 4/3011:40 am
IAD
-
YOW
1 stop5h 24m
Porter Airlines
Deal found 3/11$304
This Trip.com deal was found by Cheapflights users on 3/14. 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 4/136:45 am
YOW
-
IAD
1 stop4h 09m
Porter Airlines
Wed 4/2211:40 am
IAD
-
YOW
1 stop3h 24m
Porter Airlines
Deal found 3/14$314
This FlightHub deal was found by Cheapflights users on 3/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
YOW
-
IAD
1 stop3h 54m
Porter Airlines
Thu 4/3011:40 am
IAD
-
YOW
1 stop5h 24m
Porter Airlines
Deal found 3/15$317
This Trip.com deal was found by Cheapflights users on 3/13. 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 4/236:50 am
YOW
-
IAD
1 stop4h 04m
Porter Airlines
Mon 4/2711:40 am
IAD
-
YOW
1 stop5h 04m
Porter Airlines
Deal found 3/13$318
This Trip.com deal was found by Cheapflights users on 3/11. 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.
Sat 4/118:40 am
YOW
-
IAD
1 stop4h 19m
Porter Airlines
Sun 4/126:00 pm
IAD
-
YOW
1 stop4h 29m
Porter Airlines
Deal found 3/11$321
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:50 pm
YOW
-
IAD
1 stop5h 35m
United Airlines
Sun 5/108:15 am
IAD
-
YOW
Nonstop1h 48m
United Airlines
Deal found 3/14$327
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/287:00 am
YOW
-
PHL
1 stop16h 00m
Multiple Airlines
Thu 4/92:00 pm
PHL
-
YOW
1 stop10h 25m
Multiple Airlines
Deal found 3/12$333
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:50 pm
YOW
-
IAD
1 stop5h 35m
United Airlines
Sun 5/38:15 am
IAD
-
YOW
Nonstop1h 48m
United Airlines
Deal found 3/14$336
This United Airlines deal was found by Cheapflights users on 3/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:50 pm
YOW
-
IAD
1 stop5h 35m
United Airlines
Sun 4/128:15 am
IAD
-
YOW
Nonstop1h 48m
United Airlines
Deal found 3/11$338
This Trip.com deal was found by Cheapflights users on 3/15. 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 4/69:40 am
YOW
-
IAD
1 stop7h 34m
Porter Airlines
Mon 4/1311:40 am
IAD
-
YOW
1 stop5h 04m
Porter Airlines
Deal found 3/15$339
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/287:00 am
YOW
-
PHL
1 stop16h 00m
Multiple Airlines
Wed 4/85:32 pm
PHL
-
YOW
1 stop30h 53m
Multiple Airlines
Deal found 3/12$339
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/274:15 pm
YOW
-
PHL
1 stop19h 58m
Multiple Airlines
Wed 4/85:32 pm
PHL
-
YOW
1 stop30h 53m
Multiple Airlines
Deal found 3/12$346

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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$286
(Trip.com)

One-way from

$180
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$373
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. 3% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 16, 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 - IAD

YOWIAD

Ottawa

Sat 5/2

5:50 pm-11:25 pm

1 stop5h 35m

Washington, D.C. Dulles Intl

Sun 5/3

8:15 am-10:03 am

Nonstop1h 48m

$336

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sat 5/9

7:00 am-5:07 pm

1 stop10h 07m

Baltimore/Washington

Sun 5/17

6:00 am-3:15 pm

1 stop9h 15m

$368

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 5/27

11:00 am-3:21 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Fri 5/29

4:05 pm-9:44 pm

1 stop5h 39m

$379

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 7/27

6:00 am-7:44 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Mon 8/3

8:18 am-10:03 am

Nonstop1h 45m

$391

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 5/6

2:30 pm-8:07 am

1 stop17h 37m

Baltimore/Washington

Sun 5/10

7:30 am-9:44 pm

2 stops14h 14m

$391

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 4/1

10:25 am-12:01 pm

Nonstop1h 36m

Washington, D.C. Reagan-National

Tue 4/7

6:00 am-10:06 am

1 stop4h 06m

$393
Quickest round-trip

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sun 7/12

10:25 am-12:00 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

Fri 7/17

12:40 pm-2:10 pm

Nonstop1h 30m

$400

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 5/27

11:15 am-3:39 pm

1 stop4h 24m

Washington, D.C. Reagan-National

Sat 5/30

12:45 pm-2:17 pm

Nonstop1h 32m

$402

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sun 4/26

6:00 am-7:50 am

Nonstop1h 50m

Washington, D.C. Dulles Intl

Thu 4/30

10:07 pm-11:54 pm

Nonstop1h 47m

$403

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 5/9

7:30 pm-9:18 pm

Nonstop1h 48m

Washington, D.C. Dulles Intl

Wed 5/13

8:15 am-10:03 am

Nonstop1h 48m

$403

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

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
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 United Airlines, Porter Airlines, and Air Canada fly from Ottawa to Maryland in about 1h 36m. The time it takes to get you to your destination can typically vary by up to 3h 59m. Airlines will cover a distance of 452 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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