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Cheap flights from Ottawa to Maryland from C$ 238

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
29 Aug — 5 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 July 2026.

Fri 2/1010:40 a.m.
YOW
-
IAD
1 stop4h 30m
Porter Airlines
Sun 4/103:50 p.m.
IAD
-
YOW
1 stop4h 12m
Porter Airlines
Deal found 28/7C$ 441
Thu 20/89:05 a.m.
YOW
-
DCA
1 stop6h 33m
Air Canada
Sun 23/86:00 a.m.
DCA
-
YOW
1 stop3h 39m
Air Canada
Deal found 30/7C$ 442
Mon 21/910:40 a.m.
YOW
-
IAD
1 stop4h 30m
Porter Airlines
Sat 26/911:25 a.m.
IAD
-
YOW
1 stop7h 42m
Porter Airlines
Deal found 28/7C$ 444
Fri 4/910:40 a.m.
YOW
-
DCA
Nonstop1h 34m
Air Canada
Sat 5/912:55 p.m.
DCA
-
YOW
Nonstop1h 31m
Air Canada
Deal found 30/7C$ 444
Sun 13/910:40 a.m.
YOW
-
DCA
Nonstop1h 34m
Air Canada
Sun 20/912:55 p.m.
DCA
-
YOW
Nonstop1h 32m
Air Canada
Deal found 29/7C$ 452
Fri 4/912:25 p.m.
YOW
-
IAD
1 stop4h 43m
Air Canada
Sun 6/95:40 p.m.
IAD
-
YOW
1 stop4h 12m
Air Canada
Deal found 30/7C$ 459
Sun 30/810:40 a.m.
YOW
-
IAD
1 stop4h 30m
Porter Airlines
Sun 6/911:25 a.m.
IAD
-
YOW
1 stop6h 27m
Porter Airlines
Deal found 30/7C$ 462
Fri 2/1010:25 a.m.
YOW
-
DCA
Nonstop1h 35m
Air Canada
Sun 4/1012:40 p.m.
DCA
-
YOW
Nonstop1h 30m
Air Canada
Deal found 29/7C$ 462
Sat 5/99:15 a.m.
YOW
-
IAD
1 stop5h 55m
Porter Airlines
Mon 7/93:50 p.m.
IAD
-
YOW
1 stop5h 52m
Porter Airlines
Deal found 30/7C$ 465
Fri 4/911:15 a.m.
YOW
-
DCA
1 stop4h 23m
Air Canada
Sun 6/96:00 a.m.
DCA
-
YOW
1 stop4h 35m
Air Canada
Deal found 30/7C$ 468
Fri 4/910:00 a.m.
YOW
-
IAD
Nonstop1h 44m
Multiple Airlines
Sun 6/95:40 p.m.
IAD
-
YOW
1 stop4h 12m
Multiple Airlines
Deal found 30/7C$ 473
Thu 3/910:40 a.m.
YOW
-
IAD
1 stop4h 30m
Porter Airlines
Mon 7/93:50 p.m.
IAD
-
YOW
1 stop4h 12m
Porter Airlines
Deal found 27/7C$ 475

Find 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 July 2026.

Round-trip from

C$ 441

One-way from

C$ 238

Popular in

May

Cheapest in

December

Average price

C$ 600
Porter Airlines
  • Porter Airlines
  • 2/10-4/10
  • 2 total stops
  • 8h 42m total
  • Ottawa to Maryland
Search Deals
Porter Airlines
  • Porter Airlines
  • 24/8
  • 1 total stop
  • 4h 30m total
  • Ottawa to Maryland
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 2026.
Use the filters below to find and compare flights from Ottawa to Maryland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 20/8

9:05 a.m.-3:38 p.m.

1 stop6h 33m

Washington, D.C. Reagan-National

Sun 23/8

6:00 a.m.-9:39 a.m.

1 stop3h 39m

C$ 442

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 4/9

10:00 a.m.-11:44 a.m.

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 6/9

5:40 p.m.-9:52 p.m.

1 stop4h 12m

C$ 473
Quickest round-trip

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 26/8

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Sat 29/8

12:40 p.m.-2:11 p.m.

Nonstop1h 31m

C$ 489

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 21/8

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Mon 24/8

6:00 a.m.-11:30 a.m.

1 stop5h 30m

C$ 500

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 8/10

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Sun 11/10

6:00 a.m.-10:33 a.m.

1 stop4h 33m

C$ 500

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 29/8

2:52 p.m.-4:35 p.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Tue 1/9

12:35 p.m.-10:35 p.m.

1 stop10h 00m

C$ 515

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 27/8

6:00 a.m.-7:43 a.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Thu 3/9

8:15 a.m.-9:56 a.m.

Nonstop1h 41m

C$ 515

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 2/10

7:00 a.m.-12:09 a.m.

1 stop17h 09m

Philadelphia

Mon 5/10

3:30 p.m.-11:48 p.m.

1 stop8h 18m

C$ 525

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 2/10

7:30 p.m.-9:14 p.m.

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 4/10

5:15 p.m.-9:52 p.m.

1 stop4h 37m

C$ 551

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 21/9

7:34 p.m.-9:18 p.m.

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sat 26/9

3:45 p.m.-10:10 p.m.

1 stop6h 25m

C$ 556

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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

No data available for this route at this time. Please check back soon.

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 July 2026.
See what other customers who have flown with 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.
United Airlines
7.4
Good
10,046 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
10,046 reviews
United Airlines
7.4
Good
10,046 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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$ 515, 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. Reagan-National. You may also consider Ottawa - Washington, D.C. Dulles Intl 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.

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 airline flying from Ottawa to Maryland

Discover the top airline 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 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 439AverageC$ 1,076FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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?

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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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