What is the cheapest airline that flies from Ottawa to Maryland?

Air Canada, Porter Airlines, and United Airlines are the most popular carriers operating from Ottawa to Maryland

How many flights depart from Ottawa to Maryland on average per week?

As of August 2026, there are 61 flights per week flying from Ottawa to Maryland. The most common day of the week flights depart is Tue, with 18% of flights taking off on this day.

When did momondo last update prices for flights from Ottawa Airport to Maryland?

Prices for flights from Ottawa Airport to Maryland were last updated today.

How many operators does momondo search for flights from Ottawa Airport to Maryland?

As of August 2026, there are 2 operators available to choose from for flights from Ottawa Airport to Maryland.

How old do you have to be to fly from Ottawa Airport to Maryland?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ottawa Airport to Maryland.

What documentation or ID do you need to fly to Maryland?

The travel and health documents required for your trip to Maryland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Maryland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$168 Cheap Flights from Ottawa to Maryland in 2026

Find the cheapest flights from Ottawa to Maryland

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:15 pm - 4:38 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 23m1 stop Toronto Island

5:20 pm - 9:52 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 32m1 stop Toronto Island

$308Air Canada

Tue, Sep 8 - Sun, Sep 13

6:05 am - 9:28 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

15h 23m1 stop Newark

8:15 am - 9:56 amIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 41mnonstop

$309United Airlines

Wed, Sep 9 - Thu, Sep 10

12:15 pm - 5:43 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

5h 28m1 stop Toronto Island

11:20 am - 4:09 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 49m1 stop Toronto Island

$312Porter Airlines

Fri, Oct 30 - Sun, Nov 1

10:40 am - 3:10 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

3:50 pm - 8:02 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 12m1 stop Toronto Island

$314Porter Airlines

Mon, Oct 12 - Sun, Oct 18

6:00 am - 10:20 amYOW Ottawa-DCA Washington, D.C. Reagan-National

4h 20m1 stop Montreal Pierre Elliott Trudeau Intl

6:00 am - 10:18 amDCA Washington, D.C. Reagan-National-YOW Ottawa

4h 18m1 stop Montreal Pierre Elliott Trudeau Intl

$315Air Canada

Thu, Sep 24 - Mon, Sep 28

10:40 am - 3:10 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

3:50 pm - 8:02 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 12m1 stop Toronto Island

$315Porter Airlines

Sun, Oct 11 - Mon, Oct 12

12:15 pm - 4:33 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 18m1 stop Toronto Island

5:15 pm - 9:52 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 37m1 stop Toronto Island

$319Air Canada

Wed, Oct 28 - Thu, Oct 29

12:15 pm - 4:38 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 23m1 stop Toronto Island

5:15 pm - 9:52 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 37m1 stop Toronto Island

$319Air Canada

Sat, Oct 3 - Sat, Oct 10

7:30 pm - 9:14 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

12:35 pm - 2:17 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 42mnonstop

$351United Airlines

Mon, Sep 28 - Wed, Sep 30

3:10 pm - 10:59 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

7h 49m1 stop Newark

8:15 am - 9:56 amIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 41mnonstop

$354United Airlines

Thu, Sep 24 - Fri, Sep 25

Cheap last minute flights

Enter your travel dates to find the best prices.

10:40 am - 3:10 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

3:50 pm - 8:04 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 14m1 stop Toronto Island

$551Porter Airlines

Mon, Aug 17 - Wed, Aug 26

7:30 pm - 9:14 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

5:20 pm - 9:52 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 32m1 stop Toronto Island

$574Air Canada

Sun, Aug 16 - Sun, Aug 23

6:00 am - 7:43 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

5:20 pm - 9:52 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 32m1 stop Toronto Island

$574Air Canada

Mon, Aug 17 - Wed, Aug 26

7:30 pm - 9:14 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

5:20 pm - 9:52 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 32m1 stop Toronto Island

$575Air Canada

Mon, Aug 17 - Mon, Aug 24

7:00 am - 12:44 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

5h 44m1 stop Toronto Pearson Intl

11:56 am - 9:40 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

9h 44m2 stops Charlotte Douglas Toronto Pearson Intl

$594American Airlines

Tue, Aug 18 - Tue, Aug 25

2:30 pm - 10:52 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

32h 22m2 stops Boston Logan Intl Atlanta Hartsfield-Jackson

3:50 pm - 8:04 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 14m1 stop Toronto Island

$634Multiple Airlines

Mon, Aug 17 - Wed, Aug 26

5:57 pm - 7:49 amYOW Ottawa-DCA Washington, D.C. Reagan-National

13h 52m1 stop Newark

12:40 pm - 2:11 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 31mnonstop

$688United Airlines

Sat, Aug 15 - Sun, Aug 16

7:30 pm - 9:14 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

8:35 am - 10:35 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

14h 00m1 stop Newark

$688United Airlines

Sat, Aug 15 - Sun, Aug 16

6:25 pm - 10:45 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

16h 20m1 stop Toronto Pearson Intl

6:09 pm - 9:00 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

26h 51m2 stops Fort Lauderdale Toronto Pearson Intl

$706Multiple Airlines

Tue, Aug 18 - Tue, Aug 25

6:05 am - 11:47 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

5h 42m2 stops Newark Richmond Byrd Intl

10:10 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 44mnonstop

$737United Airlines

Fri, Aug 14 - Fri, Aug 14

Cheap direct flights

Enter your travel dates to find the best prices.

10:40 am - 12:14 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

12:55 pm - 2:27 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

$319Air Canada

Wed, Sep 9 - Thu, Sep 10

10:30 am - 12:19 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 49mnonstop

12:55 pm - 2:29 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 34mnonstop

$319Air Canada

Wed, Oct 28 - Thu, Oct 29

10:40 am - 12:14 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

12:55 pm - 2:27 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

$319Air Canada

Thu, Sep 10 - Sun, Sep 13

10:25 am - 12:00 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 35mnonstop

12:40 pm - 2:10 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 30mnonstop

$319Air Canada

Fri, Oct 2 - Sat, Oct 10

7:30 pm - 9:14 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

12:35 pm - 2:17 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 42mnonstop

$351United Airlines

Mon, Sep 28 - Wed, Sep 30

7:30 pm - 9:14 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

10:10 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 44mnonstop

$369United Airlines

Thu, Oct 1 - Sun, Oct 4

2:52 pm - 4:35 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

8:15 am - 9:56 amIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 41mnonstop

$369United Airlines

Fri, Sep 4 - Mon, Sep 7

7:30 pm - 9:14 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

5:15 pm - 6:55 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 40mnonstop

$369United Airlines

Wed, Sep 9 - Wed, Sep 16

6:00 am - 7:43 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

8:15 am - 9:56 amIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 41mnonstop

$415Multiple Airlines

Fri, Sep 18 - Mon, Sep 21

9:45 am - 11:48 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

2h 03mnonstop

5:37 pm - 7:27 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 50mnonstop

$443Multiple Airlines

Thu, Oct 29 - Sun, Nov 1

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Air Canada flights from Ottawa to Maryland

Our best Air Canada deals on Ottawa to Maryland flight tickets

Air Canada

Sep 8

YOW12:15 pmOttawa

4h 23m

1 stop

IAD4:38 pmWashington, D.C. Dulles Intl

Sep 13

IAD5:20 pmWashington, D.C. Dulles Intl

4h 32m

1 stop

YOW9:52 pmOttawa

$308

Air Canada

Sep 24

YOW6:00 amOttawa

4h 20m

1 stop

DCA10:20 amWashington, D.C. Reagan-National

Sep 28

DCA6:00 amWashington, D.C. Reagan-National

4h 18m

1 stop

YOW10:18 amOttawa

$315

Air Canada

Sep 9

YOW12:15 pmOttawa

4h 23m

1 stop

IAD4:38 pmWashington, D.C. Dulles Intl

Sep 10

IAD5:20 pmWashington, D.C. Dulles Intl

4h 32m

1 stop

YOW9:52 pmOttawa

$319

WestJet flights from Ottawa to Maryland

Our best WestJet deals on Ottawa to Maryland flight tickets

WestJet

Sep 4

YOW12:25 pmOttawa

29h 34m

2 stops

PHL5:59 pmPhiladelphia

Sep 13

PHL5:45 amPhiladelphia

29h 50m

2 stops

YOW11:35 amOttawa

$586

WestJet

Sep 10

YOW6:25 pmOttawa

29h 31m

2 stops

PHL11:56 pmPhiladelphia

Sep 17

PHL5:45 amPhiladelphia

11h 50m

2 stops

YOW5:35 pmOttawa

$600

WestJet

Oct 16

YOW6:25 pmOttawa

28h 43m

2 stops

PHL11:08 pmPhiladelphia

Oct 19

PHL5:20 amPhiladelphia

19h 00m

2 stops

YOW12:20 amOttawa

$619

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaWashington, D.C.

YOW Ottawa - IAD Washington, D.C. Dulles Intl

YOWIAD

Ottawa

Tue 9/8

12:15 pm-4:38 pm

1 stop4h 23m

Washington, D.C. Dulles Intl

Sun 9/13

5:20 pm-9:52 pm

1 stop4h 32m

$308

OttawaWashington, D.C.

YOW Ottawa - IAD Washington, D.C. Dulles Intl

YOWIAD

Ottawa

Wed 9/9

6:05 am-9:28 pm

1 stop15h 23m

Washington, D.C. Dulles Intl

Thu 9/10

8:15 am-9:56 am

Nonstop1h 41m

$309

OttawaWashington, D.C.

YOW Ottawa - IAD Washington, D.C. Dulles Intl

YOWIAD

Ottawa

Fri 10/30

12:15 pm-5:43 pm

1 stop5h 28m

Washington, D.C. Dulles Intl

Sun 11/1

11:20 am-4:09 pm

1 stop4h 49m

$312

OttawaWashington, D.C.

YOW Ottawa - IAD Washington, D.C. Dulles Intl

YOWIAD

Ottawa

Mon 10/12

10:40 am-3:10 pm

1 stop4h 30m

Washington, D.C. Dulles Intl

Sun 10/18

3:50 pm-8:02 pm

1 stop4h 12m

$314

OttawaWashington, D.C.

YOW Ottawa - DCA Washington, D.C. Reagan-National

YOWDCA

Ottawa

Thu 9/24

6:00 am-10:20 am

1 stop4h 20m

Washington, D.C. Reagan-National

Mon 9/28

6:00 am-10:18 am

1 stop4h 18m

$315

OttawaWashington, D.C.

YOW Ottawa - IAD Washington, D.C. Dulles Intl

YOWIAD

Ottawa

Sun 10/11

10:40 am-3:10 pm

1 stop4h 30m

Washington, D.C. Dulles Intl

Mon 10/12

3:50 pm-8:02 pm

1 stop4h 12m

$315

OttawaWashington, D.C.

YOW Ottawa - IAD Washington, D.C. Dulles Intl

YOWIAD

Ottawa

Wed 10/28

12:15 pm-4:33 pm

1 stop4h 18m

Washington, D.C. Dulles Intl

Thu 10/29

5:15 pm-9:52 pm

1 stop4h 37m

$319

OttawaWashington, D.C.

YOW Ottawa - IAD Washington, D.C. Dulles Intl

YOWIAD

Ottawa

Sat 10/3

12:15 pm-4:38 pm

1 stop4h 23m

Washington, D.C. Dulles Intl

Sat 10/10

5:15 pm-9:52 pm

1 stop4h 37m

$319

Quickest round-trip

OttawaWashington, D.C.

YOW Ottawa - IAD Washington, D.C. Dulles Intl

YOWIAD

Ottawa

Mon 9/28

7:30 pm-9:14 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Wed 9/30

12:35 pm-2:17 pm

Nonstop1h 42m

$351

OttawaWashington, D.C.

YOW Ottawa - IAD Washington, D.C. Dulles Intl

YOWIAD

Ottawa

Thu 9/24

3:10 pm-10:59 pm

1 stop7h 49m

Washington, D.C. Dulles Intl

Fri 9/25

8:15 am-9:56 am

Nonstop1h 41m

$354

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ottawa to Maryland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to Maryland?

The cheapest day to depart from Ottawa to Maryland is on a Wednesday. Travelers who choose to depart for Maryland on a Wednesday will often find tickets for as low as $528. The most expensive day to fly to Maryland is Sunday, with ticket prices averaging around $709.

What is the cheapest time of day to depart on your flight to Maryland?

Our most recent data shows that the best time of day to fly to Maryland is in the morning. Flights from Ottawa to Maryland during this time can be as low as $485. In contrast, the most expensive time of day to depart to Maryland is at noon when prices are around $727.

Cheap Ottawa to Maryland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Maryland

Fastest flight time	1h 34m
Direct flights	Every day
Airports in Maryland	112 airports

The fastest flight from Ottawa to Maryland takes 1h 34m

Direct flights go from Ottawa to Maryland every day.

There are 112 airports in Maryland. From Ottawa there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).

Search flight deals

Frequently asked questions about flying from Ottawa to Maryland

When did momondo last update prices for flights from Ottawa Airport to Maryland?
Prices for flights from Ottawa Airport to Maryland were last updated today.
How many operators does momondo search for flights from Ottawa Airport to Maryland?
As of August 2026, there are 2 operators available to choose from for flights from Ottawa Airport to Maryland.
How old do you have to be to fly from Ottawa Airport to Maryland?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ottawa Airport to Maryland.
What documentation or ID do you need to fly to Maryland?
The travel and health documents required for your trip to Maryland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Maryland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Maryland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Maryland from Ottawa.

Can I find flights from Ottawa to Maryland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Maryland from Ottawa which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ottawa to Maryland?

momondo helps you find the best flight between Ottawa and Maryland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ottawa to Maryland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Maryland from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.