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

Air Canada and United Airlines 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 63% 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 October 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.

$272 Cheap Flights from Ottawa to Missouri in 2026/27

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.

9:10 am - 3:26 pmYOW Ottawa-STL Lambert-St Louis

7h 16m1 stop Toronto Pearson Intl

4:05 pm - 1:40 amSTL Lambert-St Louis-YOW Ottawa

8h 35m1 stop Toronto Pearson Intl

$548Air Canada

Sun, Nov 8 - Sun, Nov 15

9:10 am - 3:26 pmYOW Ottawa-STL Lambert-St Louis

7h 16m1 stop Toronto Pearson Intl

4:05 pm - 1:40 amSTL Lambert-St Louis-YOW Ottawa

8h 35m1 stop Toronto Pearson Intl

$558Air Canada

Sun, Nov 8 - Sun, Nov 15

8:00 am - 5:40 pmYOW Ottawa-STL Lambert-St Louis

34h 40m2 stops Orlando Atlanta Hartsfield-Jackson

4:26 pm - 4:45 pmSTL Lambert-St Louis-YOW Ottawa

23h 19m1 stop Orlando

$563Multiple Airlines

Tue, Nov 3 - Mon, Nov 9

8:00 am - 12:12 amYOW Ottawa-STL Lambert-St Louis

17h 12m1 stop Orlando

2:47 pm - 12:41 amSTL Lambert-St Louis-YOW Ottawa

32h 54m2 stops Las Vegas Harry Reid Intl Toronto Pearson Intl

$563Multiple Airlines

Sat, Dec 5 - Fri, Dec 11

7:05 am - 3:23 pmYOW Ottawa-STL Lambert-St Louis

33h 18m3 stops Fort Lauderdale Atlanta Hartsfield-Jackson Denver Intl

6:34 pm - 11:40 pmSTL Lambert-St Louis-YOW Ottawa

28h 06m3 stops Atlanta Hartsfield-Jackson Fort Lauderdale Toronto Pearson Intl

$577Multiple Airlines

Tue, Nov 3 - Mon, Nov 9

7:05 am - 3:23 pmYOW Ottawa-STL Lambert-St Louis

33h 18m3 stops Fort Lauderdale Atlanta Hartsfield-Jackson Denver Intl

6:34 pm - 5:24 pmSTL Lambert-St Louis-YOW Ottawa

21h 50m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

$583Multiple Airlines

Tue, Nov 3 - Mon, Nov 9

4:42 pm - 9:46 pmYOW Ottawa-MCI Kansas City

6h 04m1 stop Chicago O'Hare Intl

7:31 am - 9:23 pmMCI Kansas City-YOW Ottawa

12h 52m1 stop Chicago O'Hare Intl

$678United Airlines

Sun, Dec 20 - Wed, Dec 23

4:42 pm - 9:46 pmYOW Ottawa-MCI Kansas City

6h 04m1 stop Chicago O'Hare Intl

7:31 am - 9:23 pmMCI Kansas City-YOW Ottawa

12h 52m1 stop Chicago O'Hare Intl

$678United Airlines

Sat, Dec 19 - Wed, Dec 23

4:42 pm - 9:46 pmYOW Ottawa-MCI Kansas City

6h 04m1 stop Chicago O'Hare Intl

7:31 am - 9:23 pmMCI Kansas City-YOW Ottawa

12h 52m1 stop Chicago O'Hare Intl

$678United Airlines

Sun, Dec 20 - Tue, Dec 22

4:42 pm - 11:38 pmYOW Ottawa-MCI Kansas City

7h 56m1 stop Chicago O'Hare Intl

6:00 am - 9:23 pmMCI Kansas City-YOW Ottawa

14h 23m1 stop Chicago O'Hare Intl

$678United Airlines

Sat, Dec 19 - Tue, Dec 22

Cheap last minute flights

Enter your travel dates to find the best prices.

9:00 am - 2:00 pmYOW Ottawa-STL Lambert-St Louis

6h 00m1 stop Toronto Pearson Intl

4:05 pm - 9:50 pmSTL Lambert-St Louis-YOW Ottawa

4h 45m1 stop Toronto Pearson Intl

$616Air Canada

Wed, Oct 21 - Wed, Nov 11

5:55 pm - 11:13 pmYOW Ottawa-STL Lambert-St Louis

30h 18m3 stops Toronto Island Newark Orlando

6:34 pm - 2:32 pmSTL Lambert-St Louis-YOW Ottawa

18h 58m2 stops Atlanta Hartsfield-Jackson Newark

$743Multiple Airlines

Wed, Oct 21 - Wed, Nov 11

2:50 pm - 6:41 pmYOW Ottawa-STL Lambert-St Louis

4h 51m1 stop Montreal Pierre Elliott Trudeau Intl

9:40 am - 9:16 pmSTL Lambert-St Louis-YOW Ottawa

10h 36m1 stop Chicago O'Hare Intl

$769Air Canada

Fri, Oct 16 - Mon, Oct 26

2:50 pm - 6:41 pmYOW Ottawa-STL Lambert-St Louis

4h 51m1 stop Montreal Pierre Elliott Trudeau Intl

4:05 pm - 11:55 pmSTL Lambert-St Louis-YOW Ottawa

6h 50m1 stop Toronto Pearson Intl

$772Air Canada

Fri, Oct 16 - Mon, Oct 26

3:30 pm - 11:13 pmYOW Ottawa-STL Lambert-St Louis

32h 43m3 stops Toronto Island Newark Orlando

6:34 pm - 6:12 pmSTL Lambert-St Louis-YOW Ottawa

22h 38m3 stops Atlanta Hartsfield-Jackson Newark Toronto Island

$795Multiple Airlines

Wed, Oct 21 - Wed, Nov 11

10:37 am - 2:17 pmYOW Ottawa-STL Lambert-St Louis

4h 40m1 stop Chicago O'Hare Intl

8:00 am - 9:56 pmSTL Lambert-St Louis-YOW Ottawa

12h 56m2 stops Washington, D.C. Dulles Intl Newark

$812United Airlines

Wed, Oct 21 - Wed, Nov 11

6:05 am - 2:17 pmYOW Ottawa-STL Lambert-St Louis

9h 12m2 stops Newark Chicago O'Hare Intl

8:00 am - 9:56 pmSTL Lambert-St Louis-YOW Ottawa

12h 56m2 stops Washington, D.C. Dulles Intl Newark

$812United Airlines

Wed, Oct 21 - Wed, Nov 11

2:50 pm - 6:41 pmYOW Ottawa-STL Lambert-St Louis

4h 51m1 stop Montreal Pierre Elliott Trudeau Intl

6:00 am - 7:52 pmSTL Lambert-St Louis-YOW Ottawa

12h 52m2 stops Chicago O'Hare Intl Toronto Island

$947Air Canada

Fri, Oct 16 - Mon, Oct 26

6:05 am - 2:18 pmYOW Ottawa-MCI Kansas City

9h 13m2 stops Newark Chicago O'Hare Intl

5:46 pm - 11:54 pmMCI Kansas City-YOW Ottawa

5h 08m1 stop Washington, D.C. Dulles Intl

$980United Airlines

Fri, Oct 16 - Mon, Oct 19

2:10 pm - 7:48 pmYOW Ottawa-MCI Kansas City

30h 38m3 stops Newark Atlanta Hartsfield-Jackson Denver Intl

12:53 pm - 8:00 pmMCI Kansas City-YOW Ottawa

30h 07m3 stops Las Vegas Harry Reid Intl Orlando Toronto Pearson Intl

$1,423Multiple Airlines

Fri, Oct 16 - Mon, Oct 19

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Air Canada flights from Ottawa to Missouri

Our best Air Canada deals on Ottawa to Missouri flight tickets

Air Canada

Nov 8

YOW9:10 amOttawa

7h 16m

1 stop

STL3:26 pmLambert-St Louis

Nov 15

STL4:05 pmLambert-St Louis

8h 35m

1 stop

YOW1:40 amOttawa

$548

Air Canada

Nov 8

YOW9:10 amOttawa

7h 16m

1 stop

STL3:26 pmLambert-St Louis

Nov 15

STL4:05 pmLambert-St Louis

8h 35m

1 stop

YOW1:40 amOttawa

$558

Air Canada

Oct 21

YOW9:00 amOttawa

6h 00m

1 stop

STL2:00 pmLambert-St Louis

Nov 11

STL4:05 pmLambert-St Louis

4h 45m

1 stop

YOW9:50 pmOttawa

$616

United Airlines flights from Ottawa to Missouri

Our best United Airlines deals on Ottawa to Missouri flight tickets

United Airlines

Nov 26

YOW6:00 amOttawa

10h 43m

2 stops

STL3:43 pmLambert-St Louis

Dec 3

STL6:00 amLambert-St Louis

6h 11m

1 stop

YOW1:11 pmOttawa

$678

United Airlines

Dec 19

YOW4:42 pmOttawa

6h 04m

1 stop

MCI9:46 pmKansas City

Dec 21

MCI7:31 amKansas City

5h 38m

1 stop

YOW2:09 pmOttawa

$700

United Airlines

Nov 3

YOW3:10 pmOttawa

18h 43m

1 stop

STL8:53 amLambert-St Louis

Nov 9

STL9:59 amLambert-St Louis

10h 57m

1 stop

YOW9:56 pmOttawa

$717

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Sun 11/8

9:10 am-3:26 pm

1 stop7h 16m

Lambert-St Louis

Sun 11/15

4:05 pm-1:40 am

1 stop8h 35m

$548

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Sun 11/8

9:10 am-3:26 pm

1 stop7h 16m

Lambert-St Louis

Sun 11/15

4:05 pm-1:40 am

1 stop8h 35m

$558

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Tue 11/3

8:00 am-5:40 pm

2 stops34h 40m

Lambert-St Louis

Mon 11/9

4:26 pm-4:45 pm

1 stop23h 19m

$563

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Sat 12/5

8:00 am-12:12 am

1 stop17h 12m

Lambert-St Louis

Fri 12/11

2:47 pm-12:41 am

2 stops32h 54m

$563

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Tue 11/3

7:05 am-3:23 pm

3 stops33h 18m

Lambert-St Louis

Mon 11/9

6:34 pm-11:40 pm

3 stops28h 06m

$577

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Tue 11/3

7:05 am-3:23 pm

3 stops33h 18m

Lambert-St Louis

Mon 11/9

6:34 pm-5:24 pm

2 stops21h 50m

$583

OttawaKansas City

YOW Ottawa - MCI Kansas City

YOWMCI

Ottawa

Sun 12/20

4:42 pm-9:46 pm

1 stop6h 04m

Kansas City

Wed 12/23

7:31 am-9:23 pm

1 stop12h 52m

$678

OttawaKansas City

YOW Ottawa - MCI Kansas City

YOWMCI

Ottawa

Sat 12/19

4:42 pm-9:46 pm

1 stop6h 04m

Kansas City

Wed 12/23

7:31 am-9:23 pm

1 stop12h 52m

$678

OttawaKansas City

YOW Ottawa - MCI Kansas City

YOWMCI

Ottawa

Sun 12/20

4:42 pm-9:46 pm

1 stop6h 04m

Kansas City

Tue 12/22

7:31 am-9:23 pm

1 stop12h 52m

$678

OttawaKansas City

YOW Ottawa - MCI Kansas City

YOWMCI

Ottawa

Sat 12/19

4:42 pm-11:38 pm

1 stop7h 56m

Kansas City

Tue 12/22

6:00 am-9:23 pm

1 stop14h 23m

$678

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	$272
Fastest flight time	7h 56m
Direct flights	None

The best one-way flight to Missouri from Ottawa in the past 72 hours is $272. The best round-trip flight deal from Ottawa to Missouri found on momondo in the last 72 hours is $548.

The fastest flight from Ottawa to Missouri takes 7h 56m

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 October 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 11,775 reviews		Search Air Canada flights
United Airlines	PriceFrom $373	Free Cancellation	Rating 7.4 10,366 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.