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$165+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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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 July 29, 2025.

Round-trip from

$237
(Trip.com)

One-way from

$165
(Mytrip)

Popular in

October

Cheapest in

March

Average price

$361
From Ottawa to Maryland
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One-way flight from Ottawa to Maryland
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Highest demand for flights based on searches. 11% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 29, 2025.

This Trip.com deal was found by Cheapflights users on 7/27. 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.
Fri 8/227:00 amYOW - IAD
1 stop3h 16mPorter Airlines
Mon 8/2511:35 amIAD - YOW
1 stop5h 28mPorter Airlines
Deal found 7/27$265
This Air Canada deal was found by Cheapflights users on 7/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2210:25 amYOW - DCA
Nonstop1h 38mAir Canada
Mon 8/2512:55 pmDCA - YOW
Nonstop1h 32mAir Canada
Deal found 7/27$287
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/227:29 pmYOW - IAD
Nonstop1h 43mUnited Airlines
Mon 8/258:16 amIAD - YOW
Nonstop1h 42mUnited Airlines
Deal found 7/27$309
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:05 amYOW - DCA
1 stop6h 17mUnited Airlines
Mon 9/18:30 amDCA - YOW
1 stop13h 05mUnited Airlines
Deal found 7/28$332
This Trip.com deal was found by Cheapflights users on 7/27. 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.
Fri 8/157:00 amYOW - IAD
1 stop3h 16mMultiple Airlines
Mon 8/185:10 pmIAD - YOW
Nonstop1h 42mMultiple Airlines
Deal found 7/27$360
This Air Canada deal was found by Cheapflights users on 7/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/269:50 amYOW - IAD
Nonstop1h 43mAir Canada
Sat 8/3012:35 pmIAD - YOW
Nonstop1h 38mAir Canada
Deal found 7/27$376
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:25 amYOW - DCA
Nonstop1h 43mMultiple Airlines
Fri 9/196:00 amDCA - YOW
1 stop4h 24mMultiple Airlines
Deal found 7/28$397
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:00 amYOW - PHL
2 stops13h 54mMultiple Airlines
Wed 8/275:45 amPHL - YOW
1 stop11h 21mMultiple Airlines
Deal found 7/28$397
This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/244:25 pmYOW - BWI
3 stops22h 21mMultiple Airlines
Wed 8/275:45 amBWI - YOW
2 stops18h 36mMultiple Airlines
Deal found 7/27$401
This Air Canada deal was found by Cheapflights users on 7/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/105:55 pmYOW - PHL
1 stop4h 34mAir Canada
Wed 9/1710:35 amPHL - YOW
1 stop6h 29mAir Canada
Deal found 7/27$565
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:37 amYOW - BWI
1 stop11h 05mUnited Airlines
Wed 9/176:15 amBWI - YOW
1 stop10h 51mUnited Airlines
Deal found 7/27$573
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:29 pmYOW - PHL
1 stop14h 05mUnited Airlines
Mon 9/17:58 pmPHL - YOW
1 stop14h 00mUnited Airlines
Deal found 7/28$574

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 July 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

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sun 9/14

8:35 am-3:06 pm

1 stop6h 31m

Washington, D.C. Dulles Intl

Fri 9/19

4:20 pm-8:34 pm

1 stop4h 14m

$237

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 9/8

10:25 am-12:08 pm

Nonstop1h 43m

Washington, D.C. Reagan-National

Fri 9/12

6:00 am-10:24 am

1 stop4h 24m

$275

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 8/22

7:29 pm-9:12 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Mon 8/25

8:16 am-9:58 am

Nonstop1h 42m

$309

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 8/27

6:05 am-12:22 pm

1 stop6h 17m

Washington, D.C. Reagan-National

Mon 9/1

8:30 am-9:35 pm

1 stop13h 05m

$332

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 9/23

5:55 am-3:06 pm

1 stop9h 11m

Washington, D.C. Dulles Intl

Fri 9/26

11:35 am-6:09 pm

1 stop6h 34m

$347

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 9/23

7:29 pm-9:12 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Fri 9/26

8:28 am-1:04 pm

1 stop4h 36m

$350

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sun 9/14

10:25 am-12:08 pm

Nonstop1h 43m

Washington, D.C. Reagan-National

Fri 9/19

6:00 am-10:24 am

1 stop4h 24m

$354

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Mon 8/25

7:00 am-8:54 pm

2 stops13h 54m

Philadelphia

Wed 8/27

5:45 am-5:06 pm

1 stop11h 21m

$397

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sun 8/24

4:25 pm-2:46 pm

3 stops22h 21m

Baltimore/Washington

Wed 8/27

5:45 am-12:21 am

2 stops18h 36m

$401

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Wed 9/10

5:55 pm-10:29 pm

1 stop4h 34m

Philadelphia

Wed 9/17

10:35 am-5:04 pm

1 stop6h 29m

$565

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 25 results
1
2
3

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, August is the cheapest month in which you can book a flight from Ottawa to Maryland (average of $241). Flying from Ottawa to Maryland in March is currently the most expensive (average of $290). 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.

How much does it cost to fly round-trip from Ottawa to Maryland?

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maryland. Reviews last updated July 29, 2025.
Get a feel of what it's like to fly with Porter Airlines, United Airlines, and WestJet from Ottawa to Maryland by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
317 reviews

Overall

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
317 reviews
Porter Airlines
8.0
Very good
317 reviews

Overall

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,896 reviews
Porter Airlines
8.0
Very good
317 reviews

Overall

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
2,972 reviews
Porter Airlines
8.0
Very good
317 reviews

Overall

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Canada
7.1
Good
9,826 reviews
Porter Airlines
8.0
Very good
317 reviews

Overall

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

  • What are the cheapest airlines to fly from Ottawa to Maryland one-way?

    One-way options have recently been found by users for as low as $165 on Air Canada. Other airlines that offer cheap prices include Porter Airlines from $166 and United Airlines from $179 one-way.

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

    Most travelers choose Ottawa - Washington, D.C. Dulles Intl, Ottawa - Baltimore/Washington or Ottawa - Washington, D.C. Reagan-National 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, August is the cheapest month in which you can book a flight from Ottawa to Maryland (average of $241). Flying from Ottawa to Maryland in March is currently the most expensive (average of $290). 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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