What airlines fly to Ottawa?

United Airlines, Air Canada and Delta are the top three most popular airlines that fly to Ottawa from Missouri according to our data. United Airlines is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 5 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Ottawa?

Average flight duration from Missouri to Ottawa depends on which airport you fly into and out of. Flying from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport is 2h 35m on average, while flying from Kansas City to Montreal Pierre Elliott Trudeau Intl Airport is 4h 41m on average. Montreal Pierre Elliott Trudeau Intl Airport is the most popular airport in Ottawa.

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

United Airlines is the most popular carrier operating from Missouri to Ottawa

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

Prices for flights from Missouri to Ottawa Airport refresh daily.

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

There are 2 operators available for flights from Missouri to Ottawa Airport as of November 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri 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.

$194 Cheap Flights from Missouri to Ottawa in 2025/26

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4:05 pm - 11:04 pmSTL-YOW

5h 59m1 stop

9:15 am - 3:24 pmYOW-STL

7h 09m1 stop

$361Air Canada

Find Deal

Tue, Apr 7 - Wed, Apr 8

8:00 am - 5:07 pmMCI-YOW

8h 07m1 stop

5:11 pm - 9:59 pmYOW-MCI

5h 48m1 stop

$363United Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 4

7:00 am - 1:34 pmSTL-YOW

5h 34m1 stop

5:48 pm - 12:05 amYOW-STL

7h 17m1 stop

$363United Airlines

Find Deal

Thu, Feb 19 - Sun, Feb 22

5:54 am - 4:30 pmMCI-YOW

9h 36m2 stops

2:15 pm - 8:06 pmYOW-MCI

6h 51m1 stop

$372United Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 4

1:27 pm - 11:45 pmSTL-YOW

9h 18m2 stops

10:35 am - 2:18 pmYOW-STL

4h 43m1 stop

$372United Airlines

Find Deal

Tue, Apr 7 - Wed, Apr 8

5:54 am - 4:30 pmMCI-YOW

9h 36m2 stops

2:15 pm - 9:59 pmYOW-MCI

8h 44m2 stops

$378United Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 4

4:13 pm - 4:51 pmSTL-YOW

23h 38m2 stops

9:30 am - 10:33 pmYOW-STL

14h 03m1 stop

$453Multiple Airlines

Find Deal

Sun, Nov 30 - Sun, Dec 7

6:00 am - 5:13 pmMCI-YOW

10h 13m1 stop

5:40 am - 12:03 pmYOW-MCI

55h 23m2 stops

$587Multiple Airlines

Find Deal

Fri, Nov 21 - Sun, Nov 30

5:05 am - 12:41 amSTL-YOW

18h 36m2 stops

9:10 am - 1:25 amYOW-STL

17h 15m2 stops

$599American Airlines

Find Deal

Wed, Dec 17 - Fri, Dec 19

9:53 am - 12:41 amSTL-YOW

13h 48m3 stops

9:10 am - 1:25 amYOW-STL

17h 15m2 stops

$721American Airlines

Find Deal

Wed, Dec 17 - Fri, Dec 19

United Airlines flights from Missouri to Ottawa

Our best United Airlines deals on Missouri to Ottawa flight tickets

United Airlines

Mar 3

MCI8:00 amKansas City

8h 07m

1 stop

YOW5:07 pmOttawa

Mar 4

YOW5:11 pmOttawa

5h 48m

1 stop

MCI9:59 pmKansas City

$363

Find similar

United Airlines

Mar 3

MCI5:54 amKansas City

9h 36m

2 stops

YOW4:30 pmOttawa

Mar 4

YOW2:15 pmOttawa

6h 51m

1 stop

MCI8:06 pmKansas City

$372

Find similar

United Airlines

Mar 3

MCI5:54 amKansas City

9h 36m

2 stops

YOW4:30 pmOttawa

Mar 4

YOW2:15 pmOttawa

8h 44m

2 stops

MCI9:59 pmKansas City

$378

Find similar

American Airlines flights from Missouri to Ottawa

Our best American Airlines deals on Missouri to Ottawa flight tickets

American Airlines

Dec 17

STL5:05 amLambert-St Louis

18h 36m

2 stops

YOW12:41 amOttawa

Dec 19

YOW9:10 amOttawa

17h 15m

2 stops

STL1:25 amLambert-St Louis

$599

Find similar

American Airlines

Dec 17

STL9:53 amLambert-St Louis

13h 48m

3 stops

YOW12:41 amOttawa

Dec 19

YOW9:10 amOttawa

17h 15m

2 stops

STL1:25 amLambert-St Louis

$721

Find similar

American Airlines

Jan 15

MCI6:34 pmKansas City

21h 17m

2 stops

YOW4:51 pmOttawa

Jan 18

YOW6:45 amOttawa

17h 50m

3 stops

MCI11:35 pmKansas City

$747

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Tue 4/7

4:05 pm-11:04 pm

1 stop5h 59m

Ottawa

Wed 4/8

9:15 am-3:24 pm

1 stop7h 09m

$361

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Tue 3/3

8:00 am-5:07 pm

1 stop8h 07m

Ottawa

Wed 3/4

5:11 pm-9:59 pm

1 stop5h 48m

$363

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Thu 2/19

7:00 am-1:34 pm

1 stop5h 34m

Ottawa

Sun 2/22

5:48 pm-12:05 am

1 stop7h 17m

$363

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Tue 3/3

5:54 am-4:30 pm

2 stops9h 36m

Ottawa

Wed 3/4

2:15 pm-8:06 pm

1 stop6h 51m

$372

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Tue 4/7

1:27 pm-11:45 pm

2 stops9h 18m

Ottawa

Wed 4/8

10:35 am-2:18 pm

1 stop4h 43m

$372

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Tue 3/3

5:54 am-4:30 pm

2 stops9h 36m

Ottawa

Wed 3/4

2:15 pm-9:59 pm

2 stops8h 44m

$378

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Sun 11/30

4:13 pm-4:51 pm

2 stops23h 38m

Ottawa

Sun 12/7

9:30 am-10:33 pm

1 stop14h 03m

$453

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Fri 11/21

6:00 am-5:13 pm

1 stop10h 13m

Ottawa

Sun 11/30

5:40 am-12:03 pm

2 stops55h 23m

$587

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Wed 12/17

5:05 am-12:41 am

2 stops18h 36m

Ottawa

Fri 12/19

9:10 am-1:25 am

2 stops17h 15m

$599

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Wed 12/17

9:53 am-12:41 am

3 stops13h 48m

Ottawa

Fri 12/19

9:10 am-1:25 am

2 stops17h 15m

$721

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri 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

Prices

Airlines

Other information

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

The cheapest day to depart from Missouri to Ottawa is on a Saturday. Travelers who choose to depart for Ottawa on a Saturday will often find tickets for as low as $407. 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 $860.

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

In the afternoon is the cheapest time of day to fly from Missouri to Ottawa when you can find flight prices for as low as $615. Flying to Ottawa in the afternoon 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 morning when prices are $682 on average. Flights to Ottawa from Missouri in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Missouri to Ottawa flights?

You could potentially save up to 6% on your flight if you consider stops on a Missouri to Ottawa flight.

Cheap Missouri to Ottawa flight deals and tips

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

Direct flights	None

There are no direct flights from Missouri to Ottawa. There are no popular flight routes from Missouri to Ottawa.

Search flight deals

When did momondo last update prices for flights from Missouri to Ottawa Airport?
Prices for flights from Missouri to Ottawa Airport refresh daily.
How many operators does momondo search for flights from Missouri to Ottawa Airport?
There are 2 operators available for flights from Missouri to Ottawa Airport as of November 2025.
How old do you have to be to fly from Missouri to Ottawa Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri 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.

Best airlines flying from Missouri to Ottawa

Compare and see reviews for airlines that fly from Missouri to Ottawa with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $330	Free Cancellation	Rating 7.1 10,403 reviews		Search Air Canada flights
United Airlines	PriceFrom $362	Free Cancellation	Rating 7.4 9,002 reviews		Search United Airlines flights

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Calabogie

Brockville

Petawawa

Pembroke

Perth

Prescott

Winchester

Wakefield

Why use momondo?

Why should I use momondo to find a flight deal from Missouri 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 Missouri.

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

Flights from Missouri to Ottawa with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Missouri to Ottawa.

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

Yes. momondo can track prices for Missouri to Ottawa flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.