Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ottawa to Maryland from C$ 209

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ottawa to Maryland

Enter your travel dates to find the best prices.

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 30 October 2025.

Tue 25/114:15 p.m.YOW - PHL
1 stop22h 35mMultiple Airlines
Tue 2/128:54 p.m.PHL - YOW
2 stops27h 48mMultiple Airlines
Deal found 30/10C$ 385
Fri 12/125:40 a.m.YOW - PHL
2 stops19h 00mMultiple Airlines
Mon 15/1210:00 p.m.PHL - YOW
1 stop19h 13mMultiple Airlines
Deal found 28/10C$ 386
Mon 17/114:15 p.m.YOW - BWI
1 stop23h 32mMultiple Airlines
Wed 19/119:36 p.m.BWI - YOW
1 stop19h 49mMultiple Airlines
Deal found 29/10C$ 391
Tue 25/119:30 a.m.YOW - BWI
1 stop7h 54mMultiple Airlines
Fri 28/117:30 a.m.BWI - YOW
1 stop9h 43mMultiple Airlines
Deal found 28/10C$ 396
Wed 19/117:30 p.m.YOW - IAD
Nonstop1h 52mUnited Airlines
Thu 20/118:45 a.m.IAD - YOW
1 stop4h 47mUnited Airlines
Deal found 28/10C$ 401
Wed 19/1110:30 a.m.YOW - DCA
Nonstop1h 49mAir Canada
Thu 20/1112:55 p.m.DCA - YOW
Nonstop1h 35mAir Canada
Deal found 28/10C$ 403
Mon 17/116:45 a.m.YOW - BWI
3 stops30h 10mMultiple Airlines
Thu 20/115:40 a.m.BWI - YOW
1 stop11h 45mMultiple Airlines
Deal found 29/10C$ 403
Thu 13/114:35 p.m.YOW - PHL
1 stop16h 55mMultiple Airlines
Wed 19/116:00 a.m.PHL - YOW
2 stops11h 42mMultiple Airlines
Deal found 29/10C$ 404
Mon 22/1212:10 p.m.YOW - IAD
1 stop5h 04mPorter Airlines
Sun 28/1211:40 a.m.IAD - YOW
1 stop3h 24mPorter Airlines
Deal found 28/10C$ 405
Thu 13/1112:10 p.m.YOW - IAD
1 stop5h 04mPorter Airlines
Sun 16/116:30 p.m.IAD - YOW
1 stop3h 59mPorter Airlines
Deal found 29/10C$ 408
Wed 19/1110:30 a.m.YOW - DCA
Nonstop1h 49mAir Canada
Sun 23/1111:05 a.m.DCA - YOW
1 stop5h 13mAir Canada
Deal found 28/10C$ 410
Fri 14/1112:10 p.m.YOW - IAD
1 stop5h 04mPorter Airlines
Mon 17/116:30 p.m.IAD - YOW
1 stop3h 59mPorter Airlines
Deal found 29/10C$ 417

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 30 October 2025.

Round-trip from

C$ 340

One-way from

C$ 209

Popular in

October

Cheapest in

March

Average price

C$ 751
16/1-19/1
  • 16/1-19/1
  • 2 total stops
  • 19h 22m total
  • Ottawa to Maryland
Search Deals
Porter Airlines
  • Porter Airlines
  • 12/12
  • 1 total stop
  • 5h 04m total
  • Ottawa to Maryland
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 33 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 629,999 searches. Data last updated 30 October 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 16/1

9:30 a.m.-8:21 p.m.

1 stop10h 51m

Baltimore/Washington

Mon 19/1

8:42 a.m.-5:13 p.m.

1 stop8h 31m

C$ 340

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Tue 25/11

4:15 p.m.-2:50 p.m.

1 stop22h 35m

Philadelphia

Tue 2/12

8:54 p.m.-12:42 a.m.

2 stops27h 48m

C$ 385

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 26/11

6:50 a.m.-10:24 a.m.

1 stop3h 34m

Washington, D.C. Dulles Intl

Fri 28/11

11:40 a.m.-3:04 p.m.

1 stop3h 24m

C$ 401

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 13/12

8:40 a.m.-12:29 p.m.

1 stop3h 49m

Washington, D.C. Dulles Intl

Sat 20/12

11:40 a.m.-3:04 p.m.

1 stop3h 24m

C$ 401

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 17/11

4:15 p.m.-12:55 p.m.

2 stops20h 40m

Baltimore/Washington

Wed 19/11

9:36 p.m.-5:25 p.m.

1 stop19h 49m

C$ 401

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 5/12

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

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 8/12

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

Nonstop1h 35m

C$ 403

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 26/1

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

Nonstop1h 49m

Washington, D.C. Reagan-National

Fri 6/2

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

Nonstop1h 35m

C$ 403

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 13/11

12:10 p.m.-5:14 p.m.

1 stop5h 04m

Washington, D.C. Dulles Intl

Sun 16/11

6:30 p.m.-10:29 p.m.

1 stop3h 59m

C$ 408

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 27/11

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

Nonstop1h 49m

Washington, D.C. Reagan-National

Sat 6/12

11:05 a.m.-4:18 p.m.

1 stop5h 13m

C$ 410

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 25/11

10:50 a.m.-3:31 p.m.

1 stop4h 41m

Washington, D.C. Reagan-National

Fri 28/11

11:05 a.m.-4:18 p.m.

1 stop5h 13m

C$ 417

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 55 results
1
2
3
...
6

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 C$ 98). Flying from Ottawa to Maryland in September is currently the most expensive (average of C$ 660). 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 30 October 2025.

It’s typically best to fly out from Ottawa to Maryland in the evening. Doing so could potentially save you 43% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 30 October 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
8.0
Very good
384 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Entertainment

7.0

Overall

8.0

Comfort

8.0

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
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Entertainment

7.0

Overall

8.0

Comfort

8.0

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
8,998 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Entertainment

7.0

Overall

8.0

Comfort

8.0

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$ 403, Porter Airlines can have you in Maryland from Ottawa in 1h 49m. There are 727 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, April is the cheapest month in which you can book a flight from Ottawa to Maryland (average of C$ 98). Flying from Ottawa to Maryland in September is currently the most expensive (average of C$ 660). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to Maryland

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to Newark flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Toronto Island to Newark flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Miami flights
Pearson Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Miami flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Orlando flights
Pearson Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Newark flights
Pearson Intl to San Francisco flights
Pearson Intl to Hobby flights
Toronto Island to Fort Lauderdale flights
Pearson Intl to Tampa flights
Toronto Island to Orlando flights
Pearson Intl to George Bush Intcntl flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to Orlando flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to Sky Harbor Intl flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Toronto Island to Miami flights
Pearson Intl to Fort Myers flights
Pearson Intl to Seattle flights
Pearson Intl to Boston flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pearson Intl to Atlanta flights
Pearson Intl to Dulles Intl flights
Pearson Intl to Nashville flights
Hamilton to Fort Lauderdale flights
Pearson Intl to Ontario flights
Toronto Island to Midway flights
Pierre Elliott Trudeau Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Tampa flights
Ottawa to Orlando flights
Pearson Intl to Honolulu flights
Pearson Intl to San Diego flights
Pearson Intl to Midway flights
Pierre Elliott Trudeau Intl to Boston flights
Ottawa to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Toronto Island to Dulles Intl flights
Toronto Island to Boston flights
Ottawa to Newark flights

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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 335AverageC$ 384FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 579AverageC$ 890FlexibilityNo 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.

Can Cheapflights notify me if prices for flights from Ottawa to Maryland become cheaper?

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.