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

What airlines fly to Missouri?

Air Canada, WestJet and United Airlines 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 50% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 4 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 August 2026, there are 2 operators 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.

$255 Cheap Flights from Ottawa to Missouri in 2026

Discover deals from 900+ travel sites with momondo.

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.

7:00 am - 4:24 pmYOW Ottawa-STL Lambert-St Louis

10h 24m2 stops Toronto Pearson Intl Orlando

6:39 pm - 2:33 pmSTL Lambert-St Louis-YOW Ottawa

18h 54m1 stop Orlando

$481Multiple Airlines

Thu, Sep 17 - Thu, Sep 24

3:10 pm - 11:59 pmYOW Ottawa-MCI Kansas City

9h 49m1 stop Newark

5:06 pm - 9:56 amMCI Kansas City-YOW Ottawa

15h 50m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$493United Airlines

Fri, Oct 16 - Tue, Oct 20

6:01 pm - 11:59 pmYOW Ottawa-MCI Kansas City

6h 58m1 stop Newark

11:22 am - 9:35 pmMCI Kansas City-YOW Ottawa

9h 13m1 stop Chicago O'Hare Intl

$493United Airlines

Fri, Oct 16 - Tue, Oct 20

6:01 pm - 9:07 amYOW Ottawa-MCI Kansas City

16h 06m2 stops Newark Chicago O'Hare Intl

3:14 pm - 11:54 pmMCI Kansas City-YOW Ottawa

7h 40m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$493United Airlines

Fri, Oct 16 - Tue, Oct 20

5:20 pm - 9:21 pmYOW Ottawa-STL Lambert-St Louis

5h 01m1 stop Chicago O'Hare Intl

7:30 am - 10:35 pmSTL Lambert-St Louis-YOW Ottawa

14h 05m1 stop Newark

$494United Airlines

Thu, Sep 24 - Mon, Sep 28

8:15 pm - 10:51 amYOW Ottawa-STL Lambert-St Louis

15h 36m2 stops Calgary Atlanta Hartsfield-Jackson

6:00 am - 7:20 pmSTL Lambert-St Louis-YOW Ottawa

36h 20m2 stops Atlanta Hartsfield-Jackson Calgary

$542WestJet

Wed, Oct 14 - Wed, Oct 21

8:15 pm - 9:00 amYOW Ottawa-STL Lambert-St Louis

13h 45m2 stops Calgary Atlanta Hartsfield-Jackson

6:40 am - 5:35 amSTL Lambert-St Louis-YOW Ottawa

21h 55m2 stops Detroit Metropolitan Wayne County Calgary

$549WestJet

Thu, Sep 17 - Thu, Sep 24

6:00 am - 2:16 pmYOW Ottawa-STL Lambert-St Louis

9h 16m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

9:04 am - 9:35 pmSTL Lambert-St Louis-YOW Ottawa

11h 31m1 stop Chicago O'Hare Intl

$561United Airlines

Sat, Oct 17 - Sun, Oct 18

6:25 am - 10:19 amYOW Ottawa-MCI Kansas City

4h 54m1 stop Chicago O'Hare Intl

6:39 pm - 9:56 amMCI Kansas City-YOW Ottawa

14h 17m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$622Air Canada

Thu, Sep 24 - Mon, Sep 28

6:55 am - 1:26 pmYOW Ottawa-MCI Kansas City

7h 31m2 stops Toronto Pearson Intl Detroit Metropolitan Wayne County

12:22 pm - 12:20 amMCI Kansas City-YOW Ottawa

10h 58m2 stops Atlanta Hartsfield-Jackson Toronto Pearson Intl

$810Delta

Fri, Sep 4 - Mon, Sep 7

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Delta flights from Ottawa to Missouri

Our best Delta deals on Ottawa to Missouri flight tickets

Delta

Sep 24

YOW6:55 amOttawa

11h 50m

2 stops

STL5:45 pmLambert-St Louis

Sep 28

STL2:30 pmLambert-St Louis

8h 50m

2 stops

YOW12:20 amOttawa

$571

Delta

Sep 24

YOW6:55 amOttawa

11h 50m

2 stops

STL5:45 pmLambert-St Louis

Sep 28

STL2:30 pmLambert-St Louis

8h 50m

2 stops

YOW12:20 amOttawa

$639

Delta

Sep 24

YOW6:55 amOttawa

9h 59m

2 stops

STL3:54 pmLambert-St Louis

Sep 28

STL11:21 amLambert-St Louis

11h 59m

2 stops

YOW12:20 amOttawa

$684

United Airlines flights from Ottawa to Missouri

Our best United Airlines deals on Ottawa to Missouri flight tickets

United Airlines

Sep 24

YOW5:20 pmOttawa

5h 01m

1 stop

STL9:21 pmLambert-St Louis

Sep 28

STL7:30 amLambert-St Louis

14h 05m

1 stop

YOW10:35 pmOttawa

$493

United Airlines

Sep 24

YOW5:20 pmOttawa

5h 01m

1 stop

STL9:21 pmLambert-St Louis

Sep 28

STL7:30 amLambert-St Louis

14h 05m

1 stop

YOW10:35 pmOttawa

$494

United Airlines

Nov 4

YOW2:00 pmOttawa

10h 24m

2 stops

STL11:24 pmLambert-St Louis

Nov 9

STL9:40 amLambert-St Louis

11h 16m

2 stops

YOW9:56 pmOttawa

$561

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Thu 9/17

7:00 am-4:24 pm

2 stops10h 24m

Lambert-St Louis

Thu 9/24

6:39 pm-2:33 pm

1 stop18h 54m

$481

OttawaKansas City

YOW Ottawa - MCI Kansas City

YOWMCI

Ottawa

Fri 10/16

3:10 pm-11:59 pm

1 stop9h 49m

Kansas City

Tue 10/20

5:06 pm-9:56 am

2 stops15h 50m

$493

Quickest round-trip

OttawaKansas City

YOW Ottawa - MCI Kansas City

YOWMCI

Ottawa

Fri 10/16

6:01 pm-11:59 pm

1 stop6h 58m

Kansas City

Tue 10/20

11:22 am-9:35 pm

1 stop9h 13m

$493

OttawaKansas City

YOW Ottawa - MCI Kansas City

YOWMCI

Ottawa

Fri 10/16

6:01 pm-9:07 am

2 stops16h 06m

Kansas City

Tue 10/20

3:14 pm-11:54 pm

2 stops7h 40m

$493

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Thu 9/24

5:20 pm-9:21 pm

1 stop5h 01m

Lambert-St Louis

Mon 9/28

7:30 am-10:35 pm

1 stop14h 05m

$494

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Wed 10/14

8:15 pm-10:51 am

2 stops15h 36m

Lambert-St Louis

Wed 10/21

6:00 am-7:20 pm

2 stops36h 20m

$542

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Thu 9/17

8:15 pm-9:00 am

2 stops13h 45m

Lambert-St Louis

Thu 9/24

6:40 am-5:35 am

2 stops21h 55m

$549

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Sat 10/17

6:00 am-2:16 pm

2 stops9h 16m

Lambert-St Louis

Sun 10/18

9:04 am-9:35 pm

1 stop11h 31m

$561

OttawaKansas City

YOW Ottawa - MCI Kansas City

YOWMCI

Ottawa

Thu 9/24

6:25 am-10:19 am

1 stop4h 54m

Kansas City

Mon 9/28

6:39 pm-9:56 am

2 stops14h 17m

$622

OttawaKansas City

YOW Ottawa - MCI Kansas City

YOWMCI

Ottawa

Fri 9/4

6:55 am-1:26 pm

2 stops7h 31m

Kansas City

Mon 9/7

12:22 pm-12:20 am

2 stops10h 58m

$810

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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, February 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 $385. If you aren’t able to travel to Missouri during the month of February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $396.

Cheap Ottawa to Missouri flight deals and tips

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

Best Price Found	$255
Fastest flight time	4h 54m
Direct flights	None

The best one-way flight to Missouri from Ottawa in the past 72 hours is $255. The best round-trip flight deal from Ottawa to Missouri found on momondo in the last 72 hours is $481.

The fastest flight from Ottawa to Missouri takes 4h 54m

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 August 2026, there are 2 operators 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 11,532 reviews		Search Air Canada flights
United Airlines	PriceFrom $373	Free Cancellation	Rating 7.4 10,122 reviews		Search United Airlines 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.