HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ottawa

$142+ Cheap flights from Maryland to Ottawa (YOW)

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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YOW
Apr 29 — May 61
Wed 4/29
Wed 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Maryland to Ottawa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Maryland to Ottawa

Cheapest flights from Maryland to Ottawa
Explore the most affordable flight options available from Maryland to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 30, 2026.

This flugladen.de deal was found by Cheapflights users on 3/26. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:40 am
IAD
-
YOW
1 stop5h 24m
Porter Airlines
Sun 5/311:00 am
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Deal found 3/26$343
This Trip.com deal was found by Cheapflights users on 3/29. 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.
Mon 4/2711:40 am
IAD
-
YOW
1 stop5h 04m
Porter Airlines
Mon 5/411:00 am
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Deal found 3/29$344
This Trip.com deal was found by Cheapflights users on 3/26. 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.
Mon 4/2011:40 am
IAD
-
YOW
1 stop5h 04m
Porter Airlines
Thu 4/236:50 am
YOW
-
IAD
1 stop4h 04m
Porter Airlines
Deal found 3/26$346
This Trip.com deal was found by Cheapflights users on 3/25. 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.
Sun 7/54:00 pm
IAD
-
YOW
1 stop4h 04m
Porter Airlines
Sat 7/1111:00 am
YOW
-
IAD
1 stop4h 16m
Porter Airlines
Deal found 3/25$349
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/165:32 pm
PHL
-
YOW
1 stop23h 53m
Multiple Airlines
Tue 4/217:00 am
YOW
-
PHL
1 stop13h 40m
Multiple Airlines
Deal found 3/25$350
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/2211:40 am
IAD
-
YOW
1 stop3h 24m
Porter Airlines
Wed 4/296:45 am
YOW
-
IAD
1 stop4h 09m
Porter Airlines
Deal found 3/25$354
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/1710:38 pm
PHL
-
YOW
1 stop25h 20m
Multiple Airlines
Tue 4/217:00 am
YOW
-
PHL
1 stop13h 40m
Multiple Airlines
Deal found 3/28$357
This deal was found by Cheapflights users on 3/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:59 am
DCA
-
YOW
1 stop6h 17m
Air Canada
Thu 4/2310:25 am
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 3/29$359
This Mytrip deal was found by Cheapflights users on 3/29. 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.
Wed 5/134:05 pm
IAD
-
YOW
1 stop5h 39m
Multiple Airlines
Wed 5/2011:15 am
YOW
-
IAD
1 stop3h 48m
Multiple Airlines
Deal found 3/29$360
This Trip.com deal was found by Cheapflights users on 3/27. 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.
Sun 4/196:00 pm
IAD
-
YOW
1 stop4h 29m
Porter Airlines
Thu 4/236:50 am
YOW
-
IAD
1 stop4h 04m
Porter Airlines
Deal found 3/27$362
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 5/274:05 pm
IAD
-
YOW
1 stop3h 59m
Porter Airlines
Thu 5/2811:00 am
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Deal found 3/25$363
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/161:02 pm
PHL
-
YOW
1 stop10h 56m
Multiple Airlines
Mon 4/207:00 am
YOW
-
PHL
1 stop26h 49m
Multiple Airlines
Deal found 3/25$363

Find flight deals from Maryland to Ottawa

Keep the following information in mind while searching for Maryland to Ottawa flight deals. Data was last updated March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$343
(flugladen.de)

One-way from

$142
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$478
Provider with most accurate pricing for Washington, D.C. (WAS)-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Ottawa flights.
Search Deals
From Maryland to Ottawa
Search Deals
One-way flight from Maryland to Ottawa
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland to Ottawa 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 March 30, 2026.
Use the filters below to find and compare flights from Maryland to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 4/20

6:00 am-10:11 am

1 stop4h 11m

Ottawa

Thu 4/23

5:45 am-10:19 am

1 stop4h 34m

$366

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 4/21

9:40 am-3:21 pm

1 stop5h 41m

Ottawa

Fri 4/24

5:45 am-10:19 am

1 stop4h 34m

$370

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 5/13

4:33 pm-8:00 pm

2 stops27h 27m

Ottawa

Sat 5/16

7:00 am-5:07 pm

1 stop10h 07m

$371

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Thu 4/16

5:32 pm-12:35 pm

2 stops19h 03m

Ottawa

Mon 4/20

7:00 am-9:49 am

1 stop26h 49m

$386

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Thu 4/16

8:39 pm-5:25 pm

2 stops20h 46m

Ottawa

Tue 4/21

7:00 am-8:40 pm

1 stop13h 40m

$387
Quickest round-trip

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 5/8

12:45 pm-2:17 pm

Nonstop1h 32m

Ottawa

Mon 5/11

10:25 am-12:01 pm

Nonstop1h 36m

$433

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 6/3

12:45 pm-2:17 pm

Nonstop1h 32m

Ottawa

Fri 6/5

10:25 am-12:01 pm

Nonstop1h 36m

$433

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 7/2

3:30 pm-9:35 pm

1 stop6h 05m

Ottawa

Thu 7/9

10:00 am-11:43 am

Nonstop1h 43m

$438

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Mon 4/27

11:40 am-4:44 pm

1 stop5h 04m

Ottawa

Wed 4/29

6:45 am-10:54 am

1 stop4h 09m

$439

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 5/11

4:20 pm-8:46 pm

1 stop4h 26m

Ottawa

Mon 5/18

10:25 am-12:01 pm

Nonstop1h 36m

$441

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Maryland to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Maryland 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 Maryland to Ottawa

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

Currently, February is the cheapest month in which you can book a flight from Maryland to Ottawa (average of $201). Flying from Maryland to Ottawa in March is currently the most expensive (average of $445). 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 Maryland to Ottawa. 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 into for flights to Ottawa from Maryland?

    Most people fly into Ottawa (YOW) if they book a flight to Ottawa from Maryland. Ottawa is conveniently located just 6.6 mi from Ottawa’s city center.

  • How long is the flight from Maryland to Ottawa?

    A quick flight from Maryland to Ottawa can take about 4h 11m. Air Canada provides one of the quickest options available for as low as $366. There are 452 mi between Maryland and Ottawa. This flight may include one or multiple stops.

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

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

  • Can I find deals for flights from Maryland to Ottawa that include hotel bookings?

    Yes. In addition to deals on Maryland to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Maryland to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maryland to Ottawa.

  • Can I find deals for business class flights from Maryland to Ottawa?

    Yes. Cheapflights offers flight deals from Maryland to Ottawa 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 Maryland to Ottawa?

    Currently, February is the cheapest month in which you can book a flight from Maryland to Ottawa (average of $201). Flying from Maryland to Ottawa in March is currently the most expensive (average of $445). 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

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

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 Maryland to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Pearson Intl flights
Newark to Toronto Island flights
John F Kennedy Intl to Pearson Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Los Angeles to Pearson Intl flights
LaGuardia to Pearson Intl flights
Reagan-National to Pearson Intl flights
San Francisco to Pearson Intl flights
O'Hare Intl to Pearson Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pearson Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pearson Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Boston to Pearson Intl flights
Seattle to Pearson Intl flights
Boston to Toronto Island flights
Boston to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Atlanta to Pearson Intl flights
Dulles Intl to Toronto Island flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Baltimore to Pearson Intl flights
Miami to Pierre Elliott Trudeau Intl flights
Detroit to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Pearson Intl flights
Denver to Pearson Intl flights
Charlotte to Pearson Intl flights
Orlando to Pearson Intl flights
Seattle to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Toronto Island flights
Atlanta to Pierre Elliott Trudeau Intl flights
Los Angeles to Toronto Island flights
Fort Lauderdale to Pearson Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Sky Harbor Intl to Pearson Intl flights
Raleigh to Pearson Intl flights
Philadelphia to Pearson Intl flights
Miami to Pearson Intl flights

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.