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Cheap flights from Maryland to Ottawa from $137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maryland to Ottawa departing on 7/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Maryland to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
3:55 pm - 8:04 pm
IAD
-
YOW
4h 09m
1 stop
Porter Airlines Logo
10:40 am - 3:11 pm
YOW
-
IAD
4h 31m
1 stop
$336Porter Airlines
Fri, Jul 24 - Mon, Jul 27
Porter Airlines Logo
3:50 pm - 8:04 pm
IAD
-
YOW
4h 14m
1 stop
Porter Airlines Logo
10:40 am - 3:10 pm
YOW
-
IAD
4h 30m
1 stop
$337Porter Airlines
Wed, Aug 12 - Wed, Aug 19
Porter Airlines Logo
11:25 am - 5:54 pm
IAD
-
YOW
6h 29m
1 stop
Porter Airlines Logo
10:40 am - 3:10 pm
YOW
-
IAD
4h 30m
1 stop
$338Porter Airlines
Mon, Aug 10 - Mon, Aug 17
Porter Airlines Logo
3:55 pm - 9:44 pm
IAD
-
YOW
5h 49m
1 stop
Porter Airlines Logo
10:40 am - 3:11 pm
YOW
-
IAD
4h 31m
1 stop
$340Porter Airlines
Fri, Jul 24 - Fri, Jul 31
Porter Airlines Logo
3:50 pm - 8:04 pm
IAD
-
YOW
4h 14m
1 stop
Porter Airlines Logo
10:40 am - 3:10 pm
YOW
-
IAD
4h 30m
1 stop
$341Porter Airlines
Thu, Aug 27 - Sun, Aug 30
Porter Airlines Logo
11:25 am - 7:09 pm
IAD
-
YOW
7h 44m
1 stop
Porter Airlines Logo
10:40 am - 3:10 pm
YOW
-
IAD
4h 30m
1 stop
$360Porter Airlines
Sat, Oct 10 - Mon, Oct 12
Multiple Airlines Logo
5:40 pm - 2:55 pm
IAD
-
YOW
21h 15m
1 stop
Multiple Airlines Logo
10:40 am - 3:10 pm
YOW
-
IAD
4h 30m
1 stop
$376Multiple Airlines
Sun, Aug 9 - Sun, Aug 16
Air Canada Logo
12:40 pm - 2:12 pm
DCA
-
YOW
1h 32mnonstop
Air Canada Logo
10:25 am - 12:00 pm
YOW
-
DCA
1h 35mnonstop
$386Air Canada
Wed, Sep 16 - Tue, Sep 22
Air Canada Logo
6:00 am - 10:33 am
DCA
-
YOW
4h 33m
1 stop
Air Canada Logo
10:25 am - 12:00 pm
YOW
-
DCA
1h 35mnonstop
$395Air Canada
Wed, Sep 16 - Tue, Sep 22
Air Canada Logo
12:40 pm - 2:10 pm
DCA
-
YOW
1h 30mnonstop
Air Canada Logo
10:25 am - 12:00 pm
YOW
-
DCA
1h 35mnonstop
$396Air Canada
Sat, Oct 10 - Mon, Oct 12

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Air Canada flights from Maryland to Ottawa

Our best Air Canada deals on Maryland to Ottawa flight tickets
Air Canada
Sep 16
DCA12:40 pmWashington, D.C. Reagan-National
1h 32m
YOW2:12 pmOttawa
Sep 22
YOW10:25 amOttawa
1h 35m
DCA12:00 pmWashington, D.C. Reagan-National
$386
Air Canada
Sep 16
DCA6:00 amWashington, D.C. Reagan-National
4h 33m
1 stop
YOW10:33 amOttawa
Sep 22
YOW10:25 amOttawa
1h 35m
DCA12:00 pmWashington, D.C. Reagan-National
$395
Air Canada
Oct 10
DCA12:40 pmWashington, D.C. Reagan-National
1h 30m
YOW2:10 pmOttawa
Oct 12
YOW10:25 amOttawa
1h 35m
DCA12:00 pmWashington, D.C. Reagan-National
$396

United Airlines flights from Maryland to Ottawa

Our best United Airlines deals on Maryland to Ottawa flight tickets
United Airlines
Jul 23
IAD10:10 pmWashington, D.C. Dulles Intl
1h 44m
YOW11:54 pmOttawa
Jul 30
YOW2:52 pmOttawa
1h 43m
IAD4:35 pmWashington, D.C. Dulles Intl
$427
United Airlines
Aug 26
IAD3:40 pmWashington, D.C. Dulles Intl
5h 55m
1 stop
YOW9:35 pmOttawa
Sep 2
YOW2:52 pmOttawa
1h 43m
IAD4:35 pmWashington, D.C. Dulles Intl
$437
United Airlines
Jul 11
IAD6:33 amWashington, D.C. Dulles Intl
10h 05m
1 stop
YOW4:38 pmOttawa
Jul 11
YOW7:30 pmOttawa
1h 43m
IAD9:13 pmWashington, D.C. Dulles Intl
$478

momondo 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, momondo users made 832,500 searches. Data last updated June 29, 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

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 7/24

3:55 pm-8:04 pm

1 stop4h 09m

Ottawa

Mon 7/27

10:40 am-3:11 pm

1 stop4h 31m

$336

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 8/12

3:50 pm-8:04 pm

1 stop4h 14m

Ottawa

Wed 8/19

10:40 am-3:10 pm

1 stop4h 30m

$337

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Mon 8/10

11:25 am-5:54 pm

1 stop6h 29m

Ottawa

Mon 8/17

10:40 am-3:10 pm

1 stop4h 30m

$338

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 7/24

3:55 pm-9:44 pm

1 stop5h 49m

Ottawa

Fri 7/31

10:40 am-3:11 pm

1 stop4h 31m

$340

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 8/27

3:50 pm-8:04 pm

1 stop4h 14m

Ottawa

Sun 8/30

10:40 am-3:10 pm

1 stop4h 30m

$341

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sat 10/10

11:25 am-7:09 pm

1 stop7h 44m

Ottawa

Mon 10/12

10:40 am-3:10 pm

1 stop4h 30m

$360

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sun 8/9

5:40 pm-2:55 pm

1 stop21h 15m

Ottawa

Sun 8/16

10:40 am-3:10 pm

1 stop4h 30m

$376

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 9/16

12:40 pm-2:12 pm

Nonstop1h 32m

Ottawa

Tue 9/22

10:25 am-12:00 pm

Nonstop1h 35m

$386

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 9/16

6:00 am-10:33 am

1 stop4h 33m

Ottawa

Tue 9/22

10:25 am-12:00 pm

Nonstop1h 35m

$395
Quickest round-trip

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 10/10

12:40 pm-2:10 pm

Nonstop1h 30m

Ottawa

Mon 10/12

10:25 am-12:00 pm

Nonstop1h 35m

$396

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ottawa from

How to get the cheapest flight ticket from Maryland to Ottawa

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

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

The cheapest day to depart from Maryland to Ottawa is on a Wednesday. Travelers who choose to depart for Ottawa on a Wednesday will often find tickets for as low as $472. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Monday is $568.

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

In the morning is the cheapest time of day to fly from Maryland to Ottawa when you can find flight prices for as low as $481. Flying to Ottawa in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $995 on average. Flights to Ottawa from Maryland in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Maryland to Ottawa flight deals and tips

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

Fastest flight time

1h 30m

Direct flights

Every day

Airports in Ottawa

1 airport
The fastest flight from Maryland to Ottawa takes 1h 30m
Direct flights go from Maryland to Ottawa every day.
There is 1 airport in Ottawa. From Maryland there are direct flights to Ottawa (YOW).
Search flight deals

Frequently asked questions about flying from Maryland to Ottawa

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maryland to Ottawa Airport.

  • What documentation or ID do you need to fly to Ottawa Airport?

    The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Pembroke
Brockville
Petawawa
Smiths Falls
Perth
Calabogie
Prescott
Winchester
Wakefield

Why use momondo?

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

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 Ottawa from Maryland.

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

All flight searches from Maryland to Ottawa on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ottawa from Maryland.

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

If you are simply researching potential flights to Ottawa, momondo offers a useful price alert feature which will track prices for flights to Ottawa from Maryland and alert you when they change.

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