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$148+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find 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 October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/29:30 amYOW - BWI
1 stop24h 51mMultiple Airlines
Wed 12/1011:16 amBWI - YOW
2 stops34h 38mMultiple Airlines
Deal found 10/26$258
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/184:15 pmYOW - BWI
1 stop23h 32mMultiple Airlines
Thu 11/278:45 pmBWI - YOW
1 stop20h 28mMultiple Airlines
Deal found 10/26$261
This Trip.com deal was found by Cheapflights users on 10/27. 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 11/206:50 amYOW - IAD
1 stop3h 34mPorter Airlines
Sun 11/236:30 pmIAD - YOW
1 stop3h 59mPorter Airlines
Deal found 10/27$266
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/14:15 pmYOW - BWI
1 stop17h 53mMultiple Airlines
Wed 12/1011:16 amBWI - YOW
2 stops34h 38mMultiple Airlines
Deal found 10/26$266
This Trip.com deal was found by Cheapflights users on 10/26. 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.
Wed 12/36:50 amYOW - IAD
1 stop3h 34mPorter Airlines
Thu 12/1111:40 amIAD - YOW
1 stop5h 49mPorter Airlines
Deal found 10/26$268
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/174:15 pmYOW - BWI
1 stop23h 32mMultiple Airlines
Thu 11/278:45 pmBWI - YOW
1 stop20h 28mMultiple Airlines
Deal found 10/26$268
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Wed 12/34:15 pmYOW - BWI
1 stop17h 20mMultiple Airlines
Tue 12/910:40 amBWI - YOW
1 stop30h 33mMultiple Airlines
Deal found 10/26$271
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/136:50 amYOW - IAD
1 stop3h 34mPorter Airlines
Sun 11/166:30 pmIAD - YOW
1 stop3h 59mPorter Airlines
Deal found 10/26$273
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:40 amYOW - PHL
2 stops19h 00mMultiple Airlines
Mon 12/1510:00 pmPHL - YOW
1 stop19h 13mMultiple Airlines
Deal found 10/28$277
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Wed 11/196:50 amYOW - IAD
1 stop3h 34mPorter Airlines
Sun 11/2311:40 amIAD - YOW
1 stop3h 24mPorter Airlines
Deal found 10/26$278
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/64:20 pmYOW - BWI
1 stop14h 58mMultiple Airlines
Thu 12/118:37 amBWI - YOW
1 stop8h 36mMultiple Airlines
Deal found 10/26$280
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/99:30 amYOW - BWI
1 stop23h 52mMultiple Airlines
Fri 12/128:37 amBWI - YOW
2 stops13h 17mMultiple Airlines
Deal found 10/27$281

Cheap flight deals from Ottawa to Maryland

Keep the following information in mind while searching for Ottawa to Maryland flight deals. Data was last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$244
(Kiwi.com)

One-way from

$148
(Kiwi.com)

Popular in

October

Cheapest in

March

Average price

$539
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. 18% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 29, 2025.
Use the filters below to find and compare flights from Ottawa to Maryland that are best for you.

Fly from

Ottawa

Fly to

Maryland

Route

Depart

Return

Price

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 1/16

9:30 am-8:21 pm

1 stop10h 51m

Baltimore/Washington

Mon 1/19

8:42 am-5:13 pm

1 stop8h 31m

$244

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 1/14

4:20 pm-7:45 am

1 stop15h 25m

Baltimore/Washington

Mon 1/19

9:11 pm-5:13 pm

1 stop20h 02m

$269

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Tue 11/25

4:15 pm-11:17 pm

1 stop31h 02m

Philadelphia

Tue 12/2

8:54 pm-12:42 am

2 stops27h 48m

$286

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 11/26

6:50 am-10:24 am

1 stop3h 34m

Washington, D.C. Dulles Intl

Fri 11/28

11:40 am-3:04 pm

1 stop3h 24m

$288

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 12/5

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 12/8

12:55 pm-2:30 pm

Nonstop1h 35m

$289

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 1/26

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Fri 2/6

12:55 pm-2:30 pm

Nonstop1h 35m

$289

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 11/17

6:45 am-12:55 pm

3 stops30h 10m

Baltimore/Washington

Thu 11/20

5:40 am-5:25 pm

1 stop11h 45m

$289

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 12/12

5:40 am-12:40 am

2 stops19h 00m

Philadelphia

Mon 12/15

10:00 pm-5:13 pm

1 stop19h 13m

$296

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 11/14

12:10 pm-5:14 pm

1 stop5h 04m

Washington, D.C. Dulles Intl

Mon 11/17

6:30 pm-10:29 pm

1 stop3h 59m

$299

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 11/25

10:50 am-3:31 pm

1 stop4h 41m

Washington, D.C. Reagan-National

Fri 11/28

11:05 am-4:18 pm

1 stop5h 13m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 57 results
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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

What is the cheapest month to book a flight from Ottawa to Maryland?

Currently, April is the cheapest month in which you can book a flight from Ottawa to Maryland (average of $70). Flying from Ottawa to Maryland in September is currently the most expensive (average of $474). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 Porter Airlines and Air Canada fly from Ottawa to Maryland in about 1h 49m. The time it takes to get you to your destination can typically vary by up to 1h 45m. 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.

  • What is the cheapest month to book a flight from Ottawa to Maryland?

    Currently, April is the cheapest month in which you can book a flight from Ottawa to Maryland (average of $70). Flying from Ottawa to Maryland in September is currently the most expensive (average of $474). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ottawa to Maryland

See prices for flight routes from nearby airports that may be better suited for you.
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