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

United Airlines and Air Canada are the most popular carriers operating 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 May 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.

$196 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.

2:35 pm - 8:25 pm

YOW

STL

6h 50m

1 stop

1:20 pm - 9:11 pm

STL

YOW

6h 51m

1 stop

$341Air Canada

Tue, Jun 16 - Mon, Jun 22

6:25 am - 3:46 pm

YOW

STL

10h 21m

1 stop

6:00 am - 9:35 pm

STL

YOW

14h 35m

1 stop

$349United Airlines

Thu, Jul 9 - Sat, Jul 11

6:25 am - 12:11 pm

YOW

STL

6h 46m

1 stop

5:29 pm - 10:03 am

STL

YOW

15h 34m

2 stops

$350United Airlines

Fri, Jun 12 - Sat, Jun 20

7:00 am - 12:21 pm

YOW

STL

6h 21m

1 stop

1:20 pm - 9:11 pm

STL

YOW

6h 51m

1 stop

$355Air Canada

Fri, Jun 19 - Mon, Jun 22

5:10 am - 12:11 pm

YOW

STL

8h 01m

2 stops

6:00 am - 9:35 pm

STL

YOW

14h 35m

1 stop

$411United Airlines

Thu, Jul 9 - Sat, Jul 11

5:10 am - 12:11 pm

YOW

STL

8h 01m

2 stops

6:00 am - 9:35 pm

STL

YOW

14h 35m

1 stop

$419United Airlines

Thu, Jul 9 - Sat, Jul 11

5:10 am - 12:11 pm

YOW

STL

8h 01m

2 stops

6:00 am - 3:10 pm

STL

YOW

8h 10m

2 stops

$427United Airlines

Thu, Jul 9 - Sat, Jul 11

6:55 am - 1:05 pm

YOW

STL

7h 10m

2 stops

6:30 am - 5:35 pm

STL

YOW

10h 05m

2 stops

$449Delta

Thu, Jul 9 - Sat, Jul 11

5:10 am - 5:28 pm

YOW

STL

13h 18m

2 stops

2:15 pm - 9:20 pm

STL

YOW

6h 05m

1 stop

$455United Airlines

Sat, Jun 20 - Mon, Jun 22

3:10 pm - 11:59 pm

YOW

MCI

9h 49m

1 stop

6:00 am - 4:38 pm

MCI

YOW

9h 38m

2 stops

$462United Airlines

Sat, Jul 18 - Tue, Jul 21

Delta flights from Ottawa to Missouri

Our best Delta deals on Ottawa to Missouri flight tickets

Delta

Jul 9

YOW6:55 amOttawa

7h 10m

2 stops

STL1:05 pmLambert-St Louis

Jul 11

STL6:30 amLambert-St Louis

10h 05m

2 stops

YOW5:35 pmOttawa

$449

Delta

Jun 24

YOW6:55 amOttawa

13h 11m

2 stops

MCI7:06 pmKansas City

Jun 26

MCI7:00 amKansas City

16h 20m

2 stops

YOW12:20 amOttawa

$750

United Airlines flights from Ottawa to Missouri

Our best United Airlines deals on Ottawa to Missouri flight tickets

United Airlines

Jul 9

YOW6:25 amOttawa

10h 21m

1 stop

STL3:46 pmLambert-St Louis

Jul 11

STL6:00 amLambert-St Louis

14h 35m

1 stop

YOW9:35 pmOttawa

$349

United Airlines

Jun 12

YOW6:25 amOttawa

6h 46m

1 stop

STL12:11 pmLambert-St Louis

Jun 20

STL5:29 pmLambert-St Louis

15h 34m

2 stops

YOW10:03 amOttawa

$350

United Airlines

Jul 9

YOW5:10 amOttawa

8h 01m

2 stops

STL12:11 pmLambert-St Louis

Jul 11

STL6:00 amLambert-St Louis

14h 35m

1 stop

YOW9:35 pmOttawa

$411

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Tue 6/16

2:35 pm-8:25 pm

1 stop6h 50m

Lambert-St Louis

Mon 6/22

1:20 pm-9:11 pm

1 stop6h 51m

$341

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 7/9

6:25 am-3:46 pm

1 stop10h 21m

Lambert-St Louis

Sat 7/11

6:00 am-9:35 pm

1 stop14h 35m

$349

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Fri 6/12

6:25 am-12:11 pm

1 stop6h 46m

Lambert-St Louis

Sat 6/20

5:29 pm-10:03 am

2 stops15h 34m

$350

Quickest round-trip

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Fri 6/19

7:00 am-12:21 pm

1 stop6h 21m

Lambert-St Louis

Mon 6/22

1:20 pm-9:11 pm

1 stop6h 51m

$355

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 7/9

5:10 am-12:11 pm

2 stops8h 01m

Lambert-St Louis

Sat 7/11

6:00 am-9:35 pm

1 stop14h 35m

$411

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 7/9

5:10 am-12:11 pm

2 stops8h 01m

Lambert-St Louis

Sat 7/11

6:00 am-9:35 pm

1 stop14h 35m

$419

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 7/9

5:10 am-12:11 pm

2 stops8h 01m

Lambert-St Louis

Sat 7/11

6:00 am-3:10 pm

2 stops8h 10m

$427

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 7/9

6:55 am-1:05 pm

2 stops7h 10m

Lambert-St Louis

Sat 7/11

6:30 am-5:35 pm

2 stops10h 05m

$449

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Sat 6/20

5:10 am-5:28 pm

2 stops13h 18m

Lambert-St Louis

Mon 6/22

2:15 pm-9:20 pm

1 stop6h 05m

$455

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Sat 7/18

3:10 pm-11:59 pm

1 stop9h 49m

Kansas City

Tue 7/21

6:00 am-4:38 pm

2 stops9h 38m

$462

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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

What is the cheapest month to fly to Missouri?

In general, May is the cheapest month to fly from Ottawa to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $232. If you aren’t able to travel to Missouri during the month of May, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $300.

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	5h 09m
Direct flights	None

The fastest flight from Ottawa to Missouri takes 5h 09m

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

Search flight deals

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 May 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 $285	Free Cancellation	Rating 7.1 11,065 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.