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 54m 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

What airlines fly to Ottawa?

United Airlines, Delta and Air Canada 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.

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 December 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.

$136 Cheap Flights from Missouri to Ottawa in 2025/26

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Find the cheapest flights from Missouri to Ottawa

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:42 pm - 5:13 pm

STL

YOW

22h 31m1 stop

3:05 pm - 10:27 pm

YOW

STL

32h 22m2 stops

$281Multiple Airlines

Mon, Feb 9 - Mon, Feb 16

12:12 pm - 11:58 pm

STL

YOW

10h 46m1 stop

4:20 pm - 11:33 pm

YOW

STL

8h 13m1 stop

$306Multiple Airlines

Sat, Jan 24 - Sat, Jan 31

11:26 am - 12:25 am

MCI

YOW

11h 59m1 stop

4:15 pm - 10:31 am

YOW

MCI

19h 16m1 stop

$311Multiple Airlines

Thu, Jan 29 - Sun, Feb 1

8:22 pm - 5:25 pm

STL

YOW

20h 03m2 stops

4:20 pm - 11:33 pm

YOW

STL

8h 13m1 stop

$319Multiple Airlines

Sat, Jan 24 - Sat, Jan 31

5:42 pm - 5:13 pm

STL

YOW

22h 31m1 stop

4:20 pm - 10:27 pm

YOW

STL

31h 07m1 stop

$334Multiple Airlines

Mon, Feb 9 - Mon, Feb 16

4:05 pm - 11:08 pm

STL

YOW

6h 03m1 stop

9:15 am - 3:29 pm

YOW

STL

7h 14m1 stop

$347Air Canada

Mon, Feb 2 - Fri, Feb 6

8:00 am - 9:18 pm

MCI

YOW

12h 18m1 stop

2:15 pm - 7:56 pm

YOW

MCI

6h 41m1 stop

$348United Airlines

Mon, Feb 2 - Fri, Feb 6

1:15 pm - 9:18 pm

STL

YOW

7h 03m1 stop

6:20 am - 2:30 pm

YOW

STL

9h 10m1 stop

$348United Airlines

Mon, Jan 12 - Wed, Jan 14

11:29 am - 11:54 pm

MCI

YOW

11h 25m2 stops

6:20 am - 10:32 am

YOW

MCI

5h 12m1 stop

$358United Airlines

Thu, Jan 15 - Sun, Jan 18

6:30 am - 4:23 pm

STL

YOW

8h 53m2 stops

6:00 am - 2:30 pm

YOW

STL

9h 30m2 stops

$444Air Canada

Mon, Feb 2 - Fri, Feb 6

United Airlines flights from Missouri to Ottawa

Our best United Airlines deals on Missouri to Ottawa flight tickets

United Airlines

Feb 2

MCI8:00 amKansas City

12h 18m

1 stop

YOW9:18 pmOttawa

Feb 6

YOW2:15 pmOttawa

6h 41m

1 stop

MCI7:56 pmKansas City

$348

Find similar

United Airlines

Jan 15

MCI11:29 amKansas City

11h 25m

2 stops

YOW11:54 pmOttawa

Jan 18

YOW6:20 amOttawa

5h 12m

1 stop

MCI10:32 amKansas City

$358

Find similar

United Airlines

Feb 2

MCI10:00 amKansas City

7h 52m

2 stops

YOW6:52 pmOttawa

Feb 6

YOW2:15 pmOttawa

8h 44m

2 stops

MCI9:59 pmKansas City

$363

Find similar

American Airlines flights from Missouri to Ottawa

Our best American Airlines deals on Missouri to Ottawa flight tickets

American Airlines

Feb 9

STL8:31 amLambert-St Louis

15h 12m

2 stops

YOW12:43 amOttawa

Feb 16

YOW6:40 amOttawa

12h 18m

2 stops

STL5:58 pmLambert-St Louis

$484

Find similar

American Airlines

Jan 24

STL6:43 pmLambert-St Louis

21h 10m

3 stops

YOW4:53 pmOttawa

Jan 31

YOW6:45 amOttawa

12h 28m

2 stops

STL6:13 pmLambert-St Louis

$658

Find similar

American Airlines

Jan 15

MCI6:00 amKansas City

9h 53m

2 stops

YOW4:53 pmOttawa

Jan 18

YOW6:45 amOttawa

17h 50m

3 stops

MCI11:35 pmKansas City

$690

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Mon 2/9

5:42 pm-5:13 pm

1 stop22h 31m

Ottawa

Mon 2/16

3:05 pm-10:27 pm

2 stops32h 22m

$281

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Sat 1/24

12:12 pm-11:58 pm

1 stop10h 46m

Ottawa

Sat 1/31

4:20 pm-11:33 pm

1 stop8h 13m

$306

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Thu 1/29

11:26 am-12:25 am

1 stop11h 59m

Ottawa

Sun 2/1

4:15 pm-10:31 am

1 stop19h 16m

$311

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Sat 1/24

8:22 pm-5:25 pm

2 stops20h 03m

Ottawa

Sat 1/31

4:20 pm-11:33 pm

1 stop8h 13m

$319

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Mon 2/9

5:42 pm-5:13 pm

1 stop22h 31m

Ottawa

Mon 2/16

4:20 pm-10:27 pm

1 stop31h 07m

$334

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Mon 2/2

4:05 pm-11:08 pm

1 stop6h 03m

Ottawa

Fri 2/6

9:15 am-3:29 pm

1 stop7h 14m

$347

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Mon 2/2

8:00 am-9:18 pm

1 stop12h 18m

Ottawa

Fri 2/6

2:15 pm-7:56 pm

1 stop6h 41m

$348

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Mon 1/12

1:15 pm-9:18 pm

1 stop7h 03m

Ottawa

Wed 1/14

6:20 am-2:30 pm

1 stop9h 10m

$348

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Thu 1/15

11:29 am-11:54 pm

2 stops11h 25m

Ottawa

Sun 1/18

6:20 am-10:32 am

1 stop5h 12m

$358

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Mon 2/2

6:30 am-4:23 pm

2 stops8h 53m

Ottawa

Fri 2/6

6:00 am-2:30 pm

2 stops9h 30m

$444

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 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 18% 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

Fastest flight time	4h 43m
Direct flights	None

The fastest flight from Missouri to Ottawa takes 4h 43m

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 December 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 10,562 reviews		Search Air Canada flights
United Airlines	PriceFrom $362	Free Cancellation	Rating 7.4 9,113 reviews		Search United Airlines flights

Gatineau

Pembroke

Brockville

Calabogie

Petawawa

Smiths Falls

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.