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Cheap flights from Ottawa to Maryland from C$ 223

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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 381

One-way from

C$ 223

Popular in

October

Cheapest in

March

Average price

C$ 546
7/10-14/10
  • 7/10-14/10
  • 3 total stops
  • 52h 05m total
  • Ottawa to Maryland
Search Deals
Porter Airlines
  • Porter Airlines
  • 25/10
  • 1 total stop
  • 5h 31m total
  • Ottawa to Maryland
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 11 September 2025.

Tue 7/105:55 a.m.YOW - PHL
2 stops32h 22mMultiple Airlines
Tue 14/109:14 p.m.PHL - YOW
1 stop19h 43mMultiple Airlines
Deal found 9/9C$ 381
Wed 15/104:25 p.m.YOW - PHL
1 stop15h 05mMultiple Airlines
Sun 19/105:05 a.m.PHL - YOW
1 stop12h 15mMultiple Airlines
Deal found 10/9C$ 403
Thu 2/107:00 a.m.YOW - BWI
2 stops13h 32mMultiple Airlines
Mon 6/106:56 a.m.BWI - YOW
1 stop10h 24mMultiple Airlines
Deal found 9/9C$ 405
Wed 8/109:35 a.m.YOW - IAD
1 stop5h 31mPorter Airlines
Sun 12/1011:35 a.m.IAD - YOW
1 stop4h 59mPorter Airlines
Deal found 10/9C$ 406
Wed 15/103:50 p.m.YOW - BWI
1 stop19h 11mMultiple Airlines
Sat 18/108:17 p.m.BWI - YOW
1 stop21h 03mMultiple Airlines
Deal found 9/9C$ 407
Wed 1/106:00 a.m.YOW - DCA
1 stop4h 20mAir Canada
Mon 6/106:00 a.m.DCA - YOW
1 stop4h 25mAir Canada
Deal found 9/9C$ 409
Fri 17/104:25 p.m.YOW - PHL
1 stop8h 42mMultiple Airlines
Fri 24/105:20 a.m.PHL - YOW
1 stop11h 37mMultiple Airlines
Deal found 10/9C$ 409
Thu 2/1011:05 a.m.YOW - DCA
1 stop4h 46mAir Canada
Mon 6/106:00 a.m.DCA - YOW
1 stop4h 25mAir Canada
Deal found 8/9C$ 410
Fri 10/104:25 p.m.YOW - PHL
1 stop22h 00mMultiple Airlines
Mon 13/107:54 p.m.PHL - YOW
1 stop21h 26mMultiple Airlines
Deal found 9/9C$ 413
Wed 15/105:55 a.m.YOW - IAD
1 stop9h 11mMultiple Airlines
Sat 18/109:38 p.m.IAD - YOW
1 stop19h 19mMultiple Airlines
Deal found 9/9C$ 414
Fri 3/104:25 p.m.YOW - PHL
1 stop7h 34mMultiple Airlines
Mon 6/105:33 a.m.PHL - YOW
1 stop11h 47mMultiple Airlines
Deal found 9/9C$ 416
Wed 5/1110:30 a.m.YOW - DCA
Nonstop1h 49mAir Canada
Tue 11/1112:55 p.m.DCA - YOW
Nonstop1h 35mAir Canada
Deal found 9/9C$ 417

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 629,999 searches. Data last updated 11 September 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

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Tue 7/10

5:55 a.m.-2:17 p.m.

2 stops32h 22m

Philadelphia

Tue 14/10

9:14 p.m.-4:57 p.m.

1 stop19h 43m

C$ 381

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Wed 15/10

4:25 p.m.-7:30 a.m.

1 stop15h 05m

Philadelphia

Sun 19/10

5:05 a.m.-5:20 p.m.

1 stop12h 15m

C$ 403

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 2/10

7:00 a.m.-8:32 p.m.

2 stops13h 32m

Baltimore/Washington

Mon 6/10

6:56 a.m.-5:20 p.m.

1 stop10h 24m

C$ 405

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 15/10

3:50 p.m.-11:01 a.m.

1 stop19h 11m

Baltimore/Washington

Sat 18/10

8:17 p.m.-5:20 p.m.

1 stop21h 03m

C$ 407

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 17/10

4:25 p.m.-1:07 a.m.

1 stop8h 42m

Philadelphia

Fri 24/10

5:20 a.m.-4:57 p.m.

1 stop11h 37m

C$ 409

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 2/10

11:05 a.m.-3:51 p.m.

1 stop4h 46m

Washington, D.C. Reagan-National

Mon 6/10

6:00 a.m.-10:25 a.m.

1 stop4h 25m

C$ 412

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 10/10

4:25 p.m.-2:25 p.m.

1 stop22h 00m

Philadelphia

Mon 13/10

7:54 p.m.-5:20 p.m.

1 stop21h 26m

C$ 413

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 3/10

4:25 p.m.-11:59 p.m.

1 stop7h 34m

Philadelphia

Mon 6/10

5:33 a.m.-5:20 p.m.

1 stop11h 47m

C$ 416

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 6/11

10:30 a.m.-12:19 p.m.

Nonstop1h 49m

Washington, D.C. Reagan-National

Fri 14/11

12:55 p.m.-2:30 p.m.

Nonstop1h 35m

C$ 417

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 15/10

7:29 p.m.-9:12 p.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Thu 16/10

6:15 a.m.-11:45 a.m.

1 stop5h 30m

C$ 420

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 60 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, February is the cheapest month in which you can book a flight from Ottawa to Maryland (average of C$ 327). Flying from Ottawa to Maryland in June is currently the most expensive (average of C$ 398). 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.

What is the cheapest time of day to fly from YOW to MD?

Find hourly flight availability from Ottawa to Maryland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ottawa to Maryland as you normally would.

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 11 September 2025.
See what other customers who have flown with Porter Airlines and United Airlines from Ottawa to Maryland have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,937 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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?

    For a flight from Ottawa to Maryland, you will be flying from Ottawa. Ottawa (YOW) is just 10.6 km from the centre of the city.

  • How long is the flight from Ottawa to Maryland?

    For as low as C$ 420, Air Canada can have you in Maryland from Ottawa in 1h 43m. There are 723 km between Ottawa and Maryland. Both multi-stop and direct flights can be found to your destination and back.

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

    The most popular route from Ottawa to Maryland is Ottawa - Washington, D.C. Dulles Intl. You may also consider Ottawa - Washington, D.C. Reagan-National or Ottawa - Baltimore/Washington.

  • 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, February is the cheapest month in which you can book a flight from Ottawa to Maryland (average of C$ 327). Flying from Ottawa to Maryland in June is currently the most expensive (average of C$ 398). 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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Top 2 airlines flying from Ottawa to Maryland

Discover the top 2 airlines that operate flights from Ottawa to Maryland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 334AverageC$ 382FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 455AverageC$ 1,015FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to Maryland?

Cheapflights makes it easy to find Ottawa to Maryland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Maryland?

Cheapflights simply makes it quick and affordable to book flights from Ottawa to Maryland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ottawa to Maryland with no change fees?

Yes! Cheapflights helps users easily find flights from Ottawa to Maryland with no change fees.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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