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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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
Jun 3 — Jun 101
Wed 6/3
Wed 6/10
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 May 4, 2026.

This FlightHub deal was found by Cheapflights users on 5/1. 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.
Fri 6/1211:00 am
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Mon 6/1511:30 am
IAD
-
YOW
1 stop3h 24m
Porter Airlines
Deal found 5/1$320
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:00 am
YOW
-
IAD
1 stop12h 50m
Multiple Airlines
Sat 6/611:30 am
IAD
-
YOW
1 stop7h 24m
Multiple Airlines
Deal found 4/30$328
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Mon 6/1511:00 am
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Mon 6/224:00 pm
IAD
-
YOW
1 stop5h 44m
Porter Airlines
Deal found 5/1$330
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:00 am
YOW
-
IAD
1 stop4h 16m
Porter Airlines
Fri 7/314:00 pm
IAD
-
YOW
1 stop4h 04m
Porter Airlines
Deal found 4/30$336
This FlightHub deal was found by Cheapflights users on 5/1. 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.
Fri 5/2911:00 am
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Fri 6/511:30 am
IAD
-
YOW
1 stop3h 24m
Porter Airlines
Deal found 5/1$337
This FlightHub deal was found by Cheapflights users on 5/3. 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 11/2411:00 am
YOW
-
IAD
1 stop6h 14m
Porter Airlines
Fri 11/2711:40 am
IAD
-
YOW
1 stop5h 49m
Porter Airlines
Deal found 5/3$338
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Thu 5/2111:00 am
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Sun 5/244:05 pm
IAD
-
YOW
1 stop5h 39m
Porter Airlines
Deal found 5/1$341
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:00 am
YOW
-
BWI
2 stops26h 15m
Multiple Airlines
Sun 6/77:27 pm
BWI
-
YOW
1 stop19h 33m
Multiple Airlines
Deal found 4/30$343
This Trip.com deal was found by Cheapflights users on 4/30. 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 6/2511:00 am
YOW
-
IAD
1 stop4h 16m
Porter Airlines
Thu 8/274:00 pm
IAD
-
YOW
1 stop5h 44m
Porter Airlines
Deal found 4/30$348
This Air Canada deal was found by Cheapflights users on 5/2. 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 6/2610:25 am
YOW
-
DCA
Nonstop1h 35m
Air Canada
Sun 6/2812:40 pm
DCA
-
YOW
Nonstop1h 31m
Air Canada
Deal found 5/2$348
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Thu 6/1811:00 am
YOW
-
IAD
1 stop4h 16m
Porter Airlines
Thu 6/254:00 pm
IAD
-
YOW
1 stop4h 04m
Porter Airlines
Deal found 5/3$352
This United Airlines deal was found by Cheapflights users on 5/2. 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 8/17:30 pm
YOW
-
IAD
Nonstop1h 43m
United Airlines
Sun 8/28:25 am
IAD
-
YOW
1 stop8h 13m
United Airlines
Deal found 5/2$354

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 May 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$320
(FlightHub)

One-way from

$180
(Kiwi.com)

Popular in

May

Cheapest in

August

Average price

$459
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. 4% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 4, 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
Quickest round-trip

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 6/26

10:25 am-12:00 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

Sun 6/28

12:40 pm-2:11 pm

Nonstop1h 31m

$348

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 8/1

7:30 pm-9:13 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 8/2

8:25 am-4:38 pm

1 stop8h 13m

$354

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 8/19

11:00 am-3:16 pm

1 stop4h 16m

Washington, D.C. Dulles Intl

Sun 8/23

4:00 pm-9:44 pm

1 stop5h 44m

$369

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 6/1

10:25 am-12:01 pm

Nonstop1h 36m

Washington, D.C. Reagan-National

Wed 6/3

6:00 am-10:35 am

1 stop4h 35m

$373

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 6/18

6:00 am-10:18 am

1 stop4h 18m

Washington, D.C. Reagan-National

Thu 6/25

6:00 am-10:35 am

1 stop4h 35m

$381

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 6/5

11:15 am-3:39 pm

1 stop4h 24m

Washington, D.C. Reagan-National

Sat 6/20

12:40 pm-2:11 pm

Nonstop1h 31m

$382

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 8/19

10:25 am-12:00 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

Sun 8/23

12:40 pm-2:11 pm

Nonstop1h 31m

$382

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 5/29

11:00 am-3:21 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Tue 6/2

11:30 am-5:54 pm

1 stop6h 24m

$383

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 6/2

10:25 am-12:01 pm

Nonstop1h 36m

Washington, D.C. Reagan-National

Sat 6/6

4:20 pm-10:11 pm

1 stop5h 51m

$383

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 6/26

6:00 am-7:44 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 6/28

10:10 pm-11:54 pm

Nonstop1h 44m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 Air Canada, United Airlines, and Porter Airlines fly from Ottawa to Maryland in about 1h 35m. The time it takes to get you to your destination can typically vary by up to 2h 41m. 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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