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

United Airlines is the most popular carrier 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 November 2025, 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$ 247 Cheap Flights from Ottawa to Missouri in 2025/26

1 adult

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Find the cheapest flights from Ottawa to Missouri

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:20 a.m. - 3:29 p.m.YOW-STL

6h 09m1 stop

4:05 p.m. - 11:08 p.m.STL-YOW

6h 03m1 stop

C$ 415Air Canada

Find Deal

Fri, 16 Jan - Mon, 19 Jan

5:55 p.m. - 11:59 p.m.YOW-STL

7h 04m1 stop

11:20 a.m. - 5:12 p.m.STL-YOW

4h 52m1 stop

C$ 421United Airlines

Find Deal

Mon, 19 Jan - Sat, 24 Jan

6:00 a.m. - 11:22 a.m.YOW-MCI

6h 22m1 stop

5:40 p.m. - 10:03 a.m.MCI-YOW

15h 23m1 stop

C$ 421United Airlines

Find Deal

Sun, 5 Apr - Wed, 8 Apr

6:00 a.m. - 11:22 a.m.YOW-MCI

6h 22m1 stop

6:15 a.m. - 2:27 p.m.MCI-YOW

7h 12m2 stops

C$ 494United Airlines

Find Deal

Sun, 5 Apr - Wed, 8 Apr

5:25 p.m. - 9:47 p.m.YOW-STL

5h 22m1 stop

7:45 a.m. - 10:16 p.m.STL-YOW

13h 31m2 stops

C$ 495Air Canada

Find Deal

Tue, 7 Apr - Wed, 8 Apr

6:52 a.m. - 2:30 p.m.YOW-MCI

8h 38m1 stop

6:15 a.m. - 2:27 p.m.MCI-YOW

7h 12m2 stops

C$ 495United Airlines

Find Deal

Sun, 5 Apr - Wed, 8 Apr

5:00 a.m. - 12:29 p.m.YOW-STL

8h 29m2 stops

9:57 a.m. - 6:52 p.m.STL-YOW

7h 55m2 stops

C$ 503United Airlines

Find Deal

Fri, 16 Jan - Mon, 19 Jan

6:00 a.m. - 2:30 p.m.YOW-MCI

9h 30m2 stops

6:15 a.m. - 2:27 p.m.MCI-YOW

7h 12m2 stops

C$ 503United Airlines

Find Deal

Sun, 5 Apr - Wed, 8 Apr

6:45 a.m. - 8:32 p.m.YOW-STL

14h 47m2 stops

7:00 a.m. - 4:51 p.m.STL-YOW

8h 51m2 stops

C$ 659American Airlines

Find Deal

Mon, 19 Jan - Sat, 24 Jan

10:00 a.m. - 8:32 p.m.YOW-STL

11h 32m2 stops

7:00 a.m. - 4:51 p.m.STL-YOW

8h 51m2 stops

C$ 661American Airlines

Find Deal

Mon, 19 Jan - Sat, 24 Jan

Air Canada flights from Ottawa to Missouri

Our best Air Canada deals on Ottawa to Missouri flight tickets

Air Canada

16 Jan

YOW10:20 a.m.Ottawa

6h 09m

1 stop

STL3:29 p.m.Lambert-St Louis

19 Jan

STL4:05 p.m.Lambert-St Louis

6h 03m

1 stop

YOW11:08 p.m.Ottawa

C$ 415

Find similar

Air Canada

7 Apr

YOW5:25 p.m.Ottawa

5h 22m

1 stop

STL9:47 p.m.Lambert-St Louis

8 Apr

STL7:45 a.m.Lambert-St Louis

13h 31m

2 stops

YOW10:16 p.m.Ottawa

C$ 495

Find similar

United Airlines flights from Ottawa to Missouri

Our best United Airlines deals on Ottawa to Missouri flight tickets

United Airlines

19 Jan

YOW5:55 p.m.Ottawa

7h 04m

1 stop

STL11:59 p.m.Lambert-St Louis

24 Jan

STL11:20 a.m.Lambert-St Louis

9h 36m

2 stops

YOW9:56 p.m.Ottawa

C$ 421

Find similar

United Airlines

5 Apr

YOW6:00 a.m.Ottawa

6h 22m

1 stop

MCI11:22 a.m.Kansas City

8 Apr

MCI6:15 a.m.Kansas City

7h 12m

2 stops

YOW2:27 p.m.Ottawa

C$ 494

Find similar

United Airlines

5 Apr

YOW6:52 a.m.Ottawa

8h 38m

1 stop

MCI2:30 p.m.Kansas City

8 Apr

MCI6:15 a.m.Kansas City

7h 12m

2 stops

YOW2:27 p.m.Ottawa

C$ 495

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Fri 16/1

10:20 a.m.-3:29 p.m.

1 stop6h 09m

Lambert-St Louis

Mon 19/1

4:05 p.m.-11:08 p.m.

1 stop6h 03m

C$ 415

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Mon 19/1

5:55 p.m.-11:59 p.m.

1 stop7h 04m

Lambert-St Louis

Sat 24/1

11:20 a.m.-5:12 p.m.

1 stop4h 52m

C$ 421

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Sun 5/4

6:00 a.m.-11:22 a.m.

1 stop6h 22m

Kansas City

Wed 8/4

5:40 p.m.-10:03 a.m.

1 stop15h 23m

C$ 421

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Sun 5/4

6:00 a.m.-11:22 a.m.

1 stop6h 22m

Kansas City

Wed 8/4

6:15 a.m.-2:27 p.m.

2 stops7h 12m

C$ 494

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Tue 7/4

5:25 p.m.-9:47 p.m.

1 stop5h 22m

Lambert-St Louis

Wed 8/4

7:45 a.m.-10:16 p.m.

2 stops13h 31m

C$ 495

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Sun 5/4

6:52 a.m.-2:30 p.m.

1 stop8h 38m

Kansas City

Wed 8/4

6:15 a.m.-2:27 p.m.

2 stops7h 12m

C$ 495

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Fri 16/1

5:00 a.m.-12:29 p.m.

2 stops8h 29m

Lambert-St Louis

Mon 19/1

9:57 a.m.-6:52 p.m.

2 stops7h 55m

C$ 503

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Sun 5/4

6:00 a.m.-2:30 p.m.

2 stops9h 30m

Kansas City

Wed 8/4

6:15 a.m.-2:27 p.m.

2 stops7h 12m

C$ 503

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Mon 19/1

6:45 a.m.-8:32 p.m.

2 stops14h 47m

Lambert-St Louis

Sat 24/1

7:00 a.m.-4:51 p.m.

2 stops8h 51m

C$ 659

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Mon 19/1

10:00 a.m.-8:32 p.m.

2 stops11h 32m

Lambert-St Louis

Sat 24/1

7:00 a.m.-4:51 p.m.

2 stops8h 51m

C$ 661

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 day to depart on your flight to Missouri?

Our data shows that Wednesday is the least expensive day to fly to Missouri. Tickets to fly out on this day can be as low as C$ 690. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 1,107. These prices are subject to change though, so be sure to set up a Price Alert for flights to Missouri.

What is the cheapest time of day to depart on your flight to Missouri?

Our data shows that the cheapest Ottawa to Missouri flights are usually those with departure times in the morning. Our users have found flights to Missouri in the morning for as low as C$ 899. In the evening is when there is more demand to fly to Missouri, so prices are often more expensive at around C$ 983 per ticket.

Can stopping save me money on Ottawa to Missouri flights?

You could potentially save up to 5% 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

Direct flights	None

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 November 2025, 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
Air Canada	PriceFrom C$ 434	Free Cancellation	Rating 7.1 10,454 reviews		Search Air Canada flights
United Airlines	PriceFrom C$ 487	Free Cancellation	Rating 7.4 9,017 reviews		Search United Airlines 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.