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

Air Canada, United Airlines, and Delta are the most popular carriers operating from Ottawa to Missouri

What airlines fly to Missouri?

Air Canada, WestJet and Delta are the top three most popular airlines that fly to Missouri from Ottawa according to our data. Air Canada is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 3 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

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

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

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

As of April 2026, there is 1 operator available to choose from for flights from Ottawa Airport to Missouri.

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

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 Missouri.

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

The travel and health documents required for your trip to Missouri 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 Missouri. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$171 Cheap Flights from Ottawa to Missouri in 2026

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Find the cheapest flights from Ottawa to Missouri

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:00 pm - 8:25 pm

YOW

STL

6h 25m

1 stop

7:05 am - 1:05 pm

STL

YOW

5h 00m

1 stop

$265Air Canada

Mon, May 18 - Sun, May 24

2:35 pm - 8:25 pm

YOW

STL

6h 50m

1 stop

7:05 am - 1:05 pm

STL

YOW

5h 00m

1 stop

$282Air Canada

Sat, May 16 - Sat, May 23

10:44 am - 9:16 pm

YOW

STL

11h 32m

1 stop

9:23 am - 9:35 pm

STL

YOW

11h 12m

1 stop

$288United Airlines

Wed, Jun 3 - Sat, Jun 6

5:20 pm - 9:16 pm

YOW

STL

4h 56m

1 stop

6:00 am - 9:35 pm

STL

YOW

14h 35m

1 stop

$289United Airlines

Wed, Jun 3 - Sat, Jun 6

9:55 am - 3:46 pm

YOW

STL

6h 51m

2 stops

1:13 pm - 9:35 pm

STL

YOW

7h 22m

1 stop

$341Air Canada

Wed, Jun 3 - Sat, Jun 6

9:55 am - 3:46 pm

YOW

STL

6h 51m

2 stops

1:13 pm - 9:35 pm

STL

YOW

7h 22m

1 stop

$342Air Canada

Wed, Jun 3 - Sat, Jun 6

9:55 am - 3:46 pm

YOW

STL

6h 51m

2 stops

5:41 pm - 1:36 am

STL

YOW

6h 55m

2 stops

$349Air Canada

Wed, Jun 3 - Sat, Jun 6

9:55 am - 3:46 pm

YOW

STL

6h 51m

2 stops

5:41 pm - 1:36 am

STL

YOW

6h 55m

2 stops

$350Air Canada

Wed, Jun 3 - Sat, Jun 6

3:00 pm - 8:25 pm

YOW

STL

6h 25m

1 stop

6:00 am - 11:54 pm

STL

YOW

16h 54m

2 stops

$354Air Canada

Mon, May 18 - Sun, May 24

12:00 pm - 9:13 pm

YOW

STL

10h 13m

2 stops

7:05 am - 1:05 pm

STL

YOW

5h 00m

1 stop

$357United Airlines

Sat, May 16 - Sat, May 23

Air Canada flights from Ottawa to Missouri

Our best Air Canada deals on Ottawa to Missouri flight tickets

Air Canada

May 18

YOW3:00 pmOttawa

6h 25m

1 stop

STL8:25 pmLambert-St Louis

May 24

STL7:05 amLambert-St Louis

5h 00m

1 stop

YOW1:05 pmOttawa

$265

Air Canada

May 16

YOW2:35 pmOttawa

6h 50m

1 stop

STL8:25 pmLambert-St Louis

May 23

STL7:05 amLambert-St Louis

5h 00m

1 stop

YOW1:05 pmOttawa

$282

Air Canada

Jun 3

YOW9:55 amOttawa

6h 51m

2 stops

STL3:46 pmLambert-St Louis

Jun 6

STL1:13 pmLambert-St Louis

7h 22m

1 stop

YOW9:35 pmOttawa

$341

American Airlines flights from Ottawa to Missouri

Our best American Airlines deals on Ottawa to Missouri flight tickets

American Airlines

Apr 24

YOW6:45 amOttawa

14h 14m

3 stops

STL7:59 pmLambert-St Louis

Apr 29

STL5:51 amLambert-St Louis

11h 35m

2 stops

YOW6:26 pmOttawa

$743

American Airlines

Aug 12

YOW8:40 amOttawa

13h 08m

3 stops

MCI8:48 pmKansas City

Aug 17

MCI7:20 pmKansas City

18h 35m

2 stops

YOW2:55 pmOttawa

$866

American Airlines

Aug 12

YOW8:40 amOttawa

13h 08m

3 stops

MCI8:48 pmKansas City

Aug 17

MCI5:17 amKansas City

8h 38m

2 stops

YOW2:55 pmOttawa

$867

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Mon 5/18

3:00 pm-8:25 pm

1 stop6h 25m

Lambert-St Louis

Sun 5/24

7:05 am-1:05 pm

1 stop5h 00m

$265

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Sat 5/16

2:35 pm-8:25 pm

1 stop6h 50m

Lambert-St Louis

Sat 5/23

7:05 am-1:05 pm

1 stop5h 00m

$282

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Wed 6/3

10:44 am-9:16 pm

1 stop11h 32m

Lambert-St Louis

Sat 6/6

9:23 am-9:35 pm

1 stop11h 12m

$288

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Wed 6/3

5:20 pm-9:16 pm

1 stop4h 56m

Lambert-St Louis

Sat 6/6

6:00 am-9:35 pm

1 stop14h 35m

$289

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Wed 6/3

9:55 am-3:46 pm

2 stops6h 51m

Lambert-St Louis

Sat 6/6

1:13 pm-9:35 pm

1 stop7h 22m

$341

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Wed 6/3

9:55 am-3:46 pm

2 stops6h 51m

Lambert-St Louis

Sat 6/6

1:13 pm-9:35 pm

1 stop7h 22m

$342

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Wed 6/3

9:55 am-3:46 pm

2 stops6h 51m

Lambert-St Louis

Sat 6/6

5:41 pm-1:36 am

2 stops6h 55m

$349

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Wed 6/3

9:55 am-3:46 pm

2 stops6h 51m

Lambert-St Louis

Sat 6/6

5:41 pm-1:36 am

2 stops6h 55m

$350

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Mon 5/18

3:00 pm-8:25 pm

1 stop6h 25m

Lambert-St Louis

Sun 5/24

6:00 am-11:54 pm

2 stops16h 54m

$354

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Sat 5/16

12:00 pm-9:13 pm

2 stops10h 13m

Lambert-St Louis

Sat 5/23

7:05 am-1:05 pm

1 stop5h 00m

$357

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ottawa to Missouri

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

Can stopping save me money on Ottawa to Missouri flights?

You could potentially save up to 40% on your flight if you consider stops on a Ottawa to Missouri flight.

Cheap Ottawa to Missouri flight deals and tips

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

Fastest flight time	4h 56m
Direct flights	None

The fastest flight from Ottawa to Missouri takes 4h 56m

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

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Frequently asked questions about flying from Ottawa to Missouri

When did momondo last update prices for flights from Ottawa Airport to Missouri?
Prices for flights from Ottawa Airport to Missouri were last updated today.
How many operators does momondo search for flights from Ottawa Airport to Missouri?
As of April 2026, there is 1 operator available to choose from for flights from Ottawa Airport to Missouri.
How old do you have to be to fly from Ottawa Airport to Missouri?
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 Missouri.
What documentation or ID do you need to fly to Missouri?
The travel and health documents required for your trip to Missouri 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 Missouri. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ottawa to Missouri

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $343	Free Cancellation	Rating 7.1 10,886 reviews		Search Air Canada flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ottawa to Missouri. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Missouri from Ottawa with this policy.

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

momondo helps you find the best flight between Ottawa and Missouri 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 Missouri right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ottawa to Missouri flights. All you need is a valid email address and we will do the rest; it is that quick and easy.