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Cheap flights from Ottawa to Maryland from C$ 247

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
29 May — 5 Jun1
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 29 April 2026.

Thu 28/511:00 a.m.
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Wed 3/64:05 p.m.
IAD
-
YOW
1 stop5h 39m
Porter Airlines
Deal found 24/4C$ 425
Thu 21/511:00 a.m.
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Thu 28/54:05 p.m.
IAD
-
YOW
1 stop5h 39m
Porter Airlines
Deal found 26/4C$ 429
Fri 22/511:00 a.m.
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Tue 26/511:30 a.m.
IAD
-
YOW
1 stop6h 24m
Porter Airlines
Deal found 24/4C$ 430
Wed 17/611:00 a.m.
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Mon 22/611:30 a.m.
IAD
-
YOW
1 stop6h 24m
Porter Airlines
Deal found 25/4C$ 433
Fri 29/511:00 a.m.
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Thu 4/611:30 a.m.
IAD
-
YOW
1 stop3h 24m
Porter Airlines
Deal found 28/4C$ 438
Thu 18/611:00 a.m.
YOW
-
IAD
1 stop4h 16m
Porter Airlines
Tue 30/611:30 a.m.
IAD
-
YOW
1 stop6h 24m
Porter Airlines
Deal found 28/4C$ 440
Mon 8/611:00 a.m.
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Mon 15/64:05 p.m.
IAD
-
YOW
1 stop3h 59m
Porter Airlines
Deal found 28/4C$ 443
Sun 7/611:00 a.m.
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Fri 12/64:05 p.m.
IAD
-
YOW
1 stop3h 59m
Porter Airlines
Deal found 27/4C$ 452
Fri 24/711:00 a.m.
YOW
-
IAD
1 stop4h 16m
Porter Airlines
Wed 29/74:00 p.m.
IAD
-
YOW
1 stop5h 44m
Porter Airlines
Deal found 24/4C$ 453
Fri 19/66:05 a.m.
YOW
-
IAD
1 stop5h 23m
Lufthansa
Fri 19/610:10 p.m.
IAD
-
YOW
Nonstop1h 44m
Lufthansa
Deal found 25/4C$ 463
Wed 17/611:00 a.m.
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Fri 19/64:00 p.m.
IAD
-
YOW
1 stop4h 04m
Porter Airlines
Deal found 25/4C$ 464
Fri 26/611:00 a.m.
YOW
-
IAD
1 stop4h 16m
Porter Airlines
Sun 28/64:00 p.m.
IAD
-
YOW
1 stop4h 04m
Porter Airlines
Deal found 25/4C$ 467

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 29 April 2026.

Round-trip from

C$ 425

One-way from

C$ 247

Popular in

May

Cheapest in

August

Average price

C$ 518
Porter Airlines
  • Porter Airlines
  • 28/5-3/6
  • 2 total stops
  • 10h 00m total
  • Ottawa to Maryland
Search Deals
Porter Airlines
  • Porter Airlines
  • 29/5
  • 1 total stop
  • 4h 21m total
  • Ottawa to Maryland
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 29 April 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 - IAD

YOWIAD

Ottawa

Fri 22/5

11:00 a.m.-3:21 p.m.

1 stop4h 21m

Washington, D.C. Dulles Intl

Tue 26/5

11:30 a.m.-5:54 p.m.

1 stop6h 24m

C$ 430

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 22/6

6:00 a.m.-7:44 a.m.

Nonstop1h 44m

Washington, D.C. Dulles Intl

Mon 22/6

5:42 p.m.-10:05 p.m.

1 stop4h 23m

C$ 479

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 19/6

5:50 p.m.-11:19 p.m.

1 stop5h 29m

Washington, D.C. Dulles Intl

Sat 20/6

8:18 a.m.-10:03 a.m.

Nonstop1h 45m

C$ 479

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 9/9

11:00 a.m.-3:16 p.m.

1 stop4h 16m

Washington, D.C. Dulles Intl

Sun 13/9

4:00 p.m.-9:44 p.m.

1 stop5h 44m

C$ 503

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 4/6

8:00 a.m.-3:21 p.m.

1 stop7h 21m

Washington, D.C. Dulles Intl

Sun 7/6

11:30 a.m.-2:54 p.m.

1 stop3h 24m

C$ 509
Quickest round-trip

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 5/6

10:25 a.m.-12:01 p.m.

Nonstop1h 36m

Washington, D.C. Reagan-National

Mon 8/6

12:45 p.m.-2:17 p.m.

Nonstop1h 32m

C$ 522

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 30/7

6:00 a.m.-10:18 a.m.

1 stop4h 18m

Washington, D.C. Reagan-National

Sun 9/8

6:00 a.m.-10:35 a.m.

1 stop4h 35m

C$ 523

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 2/6

10:25 a.m.-12:01 p.m.

Nonstop1h 36m

Washington, D.C. Reagan-National

Sat 6/6

6:00 a.m.-9:41 a.m.

1 stop3h 41m

C$ 525

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 17/6

6:05 a.m.-10:23 a.m.

1 stop4h 18m

Washington, D.C. Reagan-National

Wed 17/6

12:45 p.m.-2:17 p.m.

Nonstop1h 32m

C$ 531

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sat 23/5

6:00 p.m.-10:28 p.m.

1 stop4h 28m

Washington, D.C. Reagan-National

Sat 30/5

6:59 a.m.-1:05 p.m.

1 stop6h 06m

C$ 533

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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
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 29 April 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
9,680 reviews
Check prices

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,680 reviews
United Airlines
7.4
Good
9,680 reviews
Check prices

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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$ 522, Porter Airlines can have you in Maryland from Ottawa in 1h 36m. 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. 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

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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 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 426AverageC$ 872FlexibilityNo 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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