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

Which airlines fly to Missouri?

Air Canada, United Airlines and WestJet 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 36% of people opting to fly with this airline when travelling 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 February 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 you'll need for your trip to Missouri may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Missouri. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 237 Cheap Flights from Ottawa to Missouri in 2026

1 adult

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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.

5:48 p.m. - 11:59 p.m.

YOW

STL

7h 11m

1 stop

7:00 a.m. - 1:34 p.m.

STL

YOW

5h 34m

1 stop

C$ 408United Airlines

Mon, 23 Feb - Wed, 25 Feb

5:11 p.m. - 9:59 p.m.

YOW

MCI

5h 48m

1 stop

8:00 a.m. - 9:56 p.m.

MCI

YOW

12h 56m

2 stops

C$ 408United Airlines

Mon, 23 Feb - Wed, 25 Feb

3:15 p.m. - 10:59 p.m.

YOW

STL

8h 44m

2 stops

10:00 a.m. - 9:56 p.m.

STL

YOW

10h 56m

2 stops

C$ 409United Airlines

Tue, 10 Mar - Tue, 17 Mar

7:30 p.m. - 12:19 p.m.

YOW

MCI

17h 49m

2 stops

6:34 p.m. - 1:32 p.m.

MCI

YOW

17h 58m

2 stops

C$ 409United Airlines

Mon, 23 Mar - Tue, 24 Mar

5:48 p.m. - 11:59 p.m.

YOW

STL

7h 11m

1 stop

7:41 a.m. - 9:56 p.m.

STL

YOW

13h 15m

2 stops

C$ 411United Airlines

Thu, 26 Feb - Fri, 27 Feb

6:25 a.m. - 3:55 p.m.

YOW

MCI

10h 30m

1 stop

8:00 a.m. - 5:07 p.m.

MCI

YOW

8h 07m

1 stop

C$ 411United Airlines

Fri, 17 Apr - Sun, 19 Apr

7:00 a.m. - 12:21 p.m.

YOW

STL

6h 21m

1 stop

7:25 a.m. - 3:10 p.m.

STL

YOW

6h 45m

1 stop

C$ 419Air Canada

Sat, 27 Jun - Sun, 28 Jun

2:25 p.m. - 8:05 p.m.

YOW

STL

6h 40m

1 stop

1:00 p.m. - 8:51 p.m.

STL

YOW

6h 51m

1 stop

C$ 444Air Canada

Tue, 16 Jun - Wed, 17 Jun

7:00 a.m. - 12:06 p.m.

YOW

STL

6h 06m

1 stop

1:00 p.m. - 8:51 p.m.

STL

YOW

6h 51m

1 stop

C$ 451Air Canada

Mon, 15 Jun - Wed, 17 Jun

5:48 p.m. - 11:59 p.m.

YOW

STL

7h 11m

1 stop

7:00 a.m. - 5:18 p.m.

STL

YOW

9h 18m

2 stops

C$ 492United Airlines

Mon, 23 Feb - Wed, 25 Feb

Delta flights from Ottawa to Missouri

Our best Delta deals on Ottawa to Missouri flight tickets

Delta

26 Mar

YOW5:40 a.m.Ottawa

11h 52m

2 stops

STL4:32 p.m.Lambert-St Louis

30 Mar

STL4:21 p.m.Lambert-St Louis

7h 18m

2 stops

YOW12:39 a.m.Ottawa

C$ 637

Delta

1 Mar

YOW5:40 a.m.Ottawa

12h 02m

2 stops

STL4:42 p.m.Lambert-St Louis

4 Mar

STL10:14 a.m.Lambert-St Louis

13h 25m

2 stops

YOW12:39 a.m.Ottawa

C$ 772

Delta

12 Jun

YOW5:55 a.m.Ottawa

12h 18m

2 stops

MCI5:13 p.m.Kansas City

17 Jun

MCI12:04 p.m.Kansas City

11h 16m

2 stops

YOW12:20 a.m.Ottawa

C$ 870

United Airlines flights from Ottawa to Missouri

Our best United Airlines deals on Ottawa to Missouri flight tickets

United Airlines

23 Feb

YOW5:48 p.m.Ottawa

7h 11m

1 stop

STL11:59 p.m.Lambert-St Louis

25 Feb

STL7:00 a.m.Lambert-St Louis

5h 34m

1 stop

YOW1:34 p.m.Ottawa

C$ 408

United Airlines

23 Feb

YOW5:48 p.m.Ottawa

7h 11m

1 stop

STL11:59 p.m.Lambert-St Louis

25 Feb

STL7:00 a.m.Lambert-St Louis

5h 34m

1 stop

YOW1:34 p.m.Ottawa

C$ 409

United Airlines

26 Feb

YOW5:48 p.m.Ottawa

7h 11m

1 stop

STL11:59 p.m.Lambert-St Louis

27 Feb

STL7:41 a.m.Lambert-St Louis

13h 15m

2 stops

YOW9:56 p.m.Ottawa

C$ 411

Fly from

Fly to

Route

Depart

Return

Price

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Mon 23/2

5:48 p.m.-11:59 p.m.

1 stop7h 11m

Lambert-St Louis

Wed 25/2

7:00 a.m.-1:34 p.m.

1 stop5h 34m

C$ 408

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Mon 23/2

5:11 p.m.-9:59 p.m.

1 stop5h 48m

Kansas City

Wed 25/2

8:00 a.m.-9:56 p.m.

2 stops12h 56m

C$ 408

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Tue 10/3

3:15 p.m.-10:59 p.m.

2 stops8h 44m

Lambert-St Louis

Tue 17/3

10:00 a.m.-9:56 p.m.

2 stops10h 56m

C$ 409

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Mon 23/3

7:30 p.m.-12:19 p.m.

2 stops17h 49m

Kansas City

Tue 24/3

6:34 p.m.-1:32 p.m.

2 stops17h 58m

C$ 409

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 26/2

5:48 p.m.-11:59 p.m.

1 stop7h 11m

Lambert-St Louis

Fri 27/2

7:41 a.m.-9:56 p.m.

2 stops13h 15m

C$ 411

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Fri 17/4

6:25 a.m.-3:55 p.m.

1 stop10h 30m

Kansas City

Sun 19/4

8:00 a.m.-5:07 p.m.

1 stop8h 07m

C$ 411

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Sat 27/6

7:00 a.m.-12:21 p.m.

1 stop6h 21m

Lambert-St Louis

Sun 28/6

7:25 a.m.-3:10 p.m.

1 stop6h 45m

C$ 419

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Tue 16/6

2:25 p.m.-8:05 p.m.

1 stop6h 40m

Lambert-St Louis

Wed 17/6

1:00 p.m.-8:51 p.m.

1 stop6h 51m

C$ 444

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Mon 15/6

7:00 a.m.-12:06 p.m.

1 stop6h 06m

Lambert-St Louis

Wed 17/6

1:00 p.m.-8:51 p.m.

1 stop6h 51m

C$ 451

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Mon 23/2

5:48 p.m.-11:59 p.m.

1 stop7h 11m

Lambert-St Louis

Wed 25/2

7:00 a.m.-5:18 p.m.

2 stops9h 18m

C$ 492

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 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 34% 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 16m
Direct flights	None

The fastest flight from Ottawa to Missouri takes 5h 16m

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

Search flight deals

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 February 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 you'll need for your trip to Missouri may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Missouri. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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
United Airlines	PriceFrom C$ 407	Free Cancellation	Rating 7.4 9,279 reviews		Search United Airlines flights
Air Canada	PriceFrom C$ 419	Free Cancellation	Rating 7.1 10,709 reviews		Search Air Canada flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ottawa to Missouri . Millions of users trust and use momondo every year so you are in good hands.

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 provides multiple filters to help you find the best flight to Missouri from Ottawa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ottawa to Missouri right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ottawa to Missouri now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Missouri and let you know when they change.