Which airlines fly to Missouri?

Air Canada, United Airlines and Delta 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 49% of people opting to fly with this airline when travelling to Missouri. Keep in mind that there are 5 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

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

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 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$ 516 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.

8:00 a.m. - 5:40 p.m.YOW Ottawa-STL Lambert-St Louis

34h 40m2 stops Orlando Atlanta Hartsfield-Jackson

4:26 p.m. - 4:45 p.m.STL Lambert-St Louis-YOW Ottawa

23h 19m1 stop Orlando

C$ 796Multiple Airlines

Tue, 3 Nov - Mon, 9 Nov

8:00 a.m. - 12:12 a.m.YOW Ottawa-STL Lambert-St Louis

17h 12m1 stop Orlando

2:47 p.m. - 12:41 a.m.STL Lambert-St Louis-YOW Ottawa

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

C$ 796Multiple Airlines

Sat, 5 Dec - Fri, 11 Dec

8:00 a.m. - 8:07 p.m.YOW Ottawa-STL Lambert-St Louis

13h 07m1 stop Orlando

6:20 p.m. - 5:15 p.m.STL Lambert-St Louis-YOW Ottawa

21h 55m2 stops Orlando Hamilton

C$ 808Multiple Airlines

Tue, 1 Dec - Sat, 5 Dec

7:05 a.m. - 3:23 p.m.YOW Ottawa-STL Lambert-St Louis

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

6:34 p.m. - 11:40 p.m.STL Lambert-St Louis-YOW Ottawa

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

C$ 816Multiple Airlines

Tue, 3 Nov - Mon, 9 Nov

7:05 a.m. - 3:23 p.m.YOW Ottawa-STL Lambert-St Louis

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

6:34 p.m. - 5:24 p.m.STL Lambert-St Louis-YOW Ottawa

21h 50m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

C$ 824Multiple Airlines

Tue, 3 Nov - Mon, 9 Nov

4:46 p.m. - 11:24 p.m.YOW Ottawa-STL Lambert-St Louis

7h 38m1 stop Chicago O'Hare Intl

6:10 a.m. - 1:11 p.m.STL Lambert-St Louis-YOW Ottawa

6h 01m1 stop Newark

C$ 958United Airlines

Sat, 28 Nov - Sat, 5 Dec

6:15 a.m. - 2:34 p.m.YOW Ottawa-STL Lambert-St Louis

9h 19m1 stop Chicago O'Hare Intl

6:30 a.m. - 7:27 p.m.STL Lambert-St Louis-YOW Ottawa

11h 57m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

C$ 958United Airlines

Sat, 28 Nov - Sat, 5 Dec

6:00 a.m. - 9:40 p.m.YOW Ottawa-STL Lambert-St Louis

16h 40m2 stops Newark Chicago O'Hare Intl

6:30 a.m. - 3:07 p.m.STL Lambert-St Louis-YOW Ottawa

7h 37m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

C$ 958United Airlines

Sat, 28 Nov - Sat, 5 Dec

6:00 a.m. - 2:41 p.m.YOW Ottawa-STL Lambert-St Louis

9h 41m2 stops Newark Chicago O'Hare Intl

6:30 a.m. - 9:56 p.m.STL Lambert-St Louis-YOW Ottawa

14h 26m2 stops Chicago O'Hare Intl Newark

C$ 991United Airlines

Sat, 5 Dec - Fri, 11 Dec

10:05 a.m. - 3:26 p.m.YOW Ottawa-STL Lambert-St Louis

6h 21m1 stop Toronto Pearson Intl

9:40 a.m. - 9:16 p.m.STL Lambert-St Louis-YOW Ottawa

10h 36m1 stop Chicago O'Hare Intl

C$ 1,344Air Canada

Tue, 1 Dec - Sat, 5 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:00 a.m. - 7:01 p.m.YOW Ottawa-STL Lambert-St Louis

14h 01m3 stops Washington, D.C. Dulles Intl Indianapolis Chicago O'Hare Intl

6:09 a.m. - 1:11 p.m.STL Lambert-St Louis-YOW Ottawa

6h 02m1 stop Newark

C$ 1,324United Airlines

Fri, 23 Oct - Sun, 25 Oct

6:00 a.m. - 7:01 p.m.YOW Ottawa-STL Lambert-St Louis

14h 01m3 stops Washington, D.C. Dulles Intl Indianapolis Chicago O'Hare Intl

6:09 a.m. - 1:11 p.m.STL Lambert-St Louis-YOW Ottawa

6h 02m1 stop Newark

C$ 1,324United Airlines

Fri, 23 Oct - Sun, 25 Oct

6:00 a.m. - 9:21 p.m.YOW Ottawa-STL Lambert-St Louis

16h 21m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

8:00 a.m. - 3:07 p.m.STL Lambert-St Louis-YOW Ottawa

6h 07m1 stop Washington, D.C. Dulles Intl

C$ 1,324United Airlines

Fri, 23 Oct - Sun, 25 Oct

6:05 a.m. - 4:00 p.m.YOW Ottawa-STL Lambert-St Louis

10h 55m1 stop Newark

9:59 a.m. - 9:56 p.m.STL Lambert-St Louis-YOW Ottawa

10h 57m1 stop Newark

C$ 1,324United Airlines

Fri, 23 Oct - Sun, 25 Oct

6:05 a.m. - 9:09 p.m.YOW Ottawa-STL Lambert-St Louis

16h 04m1 stop Newark

9:40 a.m. - 7:52 p.m.STL Lambert-St Louis-YOW Ottawa

9h 12m2 stops Chicago O'Hare Intl Toronto Island

C$ 1,324Multiple Airlines

Fri, 23 Oct - Sun, 25 Oct

6:05 a.m. - 9:09 p.m.YOW Ottawa-STL Lambert-St Louis

16h 04m1 stop Newark

9:40 a.m. - 7:52 p.m.STL Lambert-St Louis-YOW Ottawa

9h 12m2 stops Chicago O'Hare Intl Toronto Island

C$ 1,324Multiple Airlines

Fri, 23 Oct - Sun, 25 Oct

6:00 a.m. - 9:21 p.m.YOW Ottawa-STL Lambert-St Louis

16h 21m3 stops Washington, D.C. Dulles Intl Indianapolis Chicago O'Hare Intl

9:40 a.m. - 7:52 p.m.STL Lambert-St Louis-YOW Ottawa

9h 12m2 stops Chicago O'Hare Intl Toronto Island

C$ 1,324Multiple Airlines

Fri, 23 Oct - Sun, 25 Oct

2:35 p.m. - 6:41 p.m.YOW Ottawa-STL Lambert-St Louis

5h 06m1 stop Montreal Pierre Elliott Trudeau Intl

10:27 a.m. - 7:52 p.m.STL Lambert-St Louis-YOW Ottawa

8h 25m2 stops Chicago O'Hare Intl Toronto Island

C$ 1,415Air Canada

Tue, 20 Oct - Wed, 21 Oct

2:35 p.m. - 6:41 p.m.YOW Ottawa-STL Lambert-St Louis

5h 06m1 stop Montreal Pierre Elliott Trudeau Intl

10:27 a.m. - 7:52 p.m.STL Lambert-St Louis-YOW Ottawa

8h 25m2 stops Chicago O'Hare Intl Toronto Island

C$ 1,512Air Canada

Tue, 20 Oct - Wed, 21 Oct

2:35 p.m. - 6:41 p.m.YOW Ottawa-STL Lambert-St Louis

5h 06m1 stop Montreal Pierre Elliott Trudeau Intl

10:27 a.m. - 7:52 p.m.STL Lambert-St Louis-YOW Ottawa

8h 25m2 stops Chicago O'Hare Intl Toronto Island

C$ 1,517Air Canada

Tue, 20 Oct - Wed, 21 Oct

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United Airlines flights from Ottawa to Missouri

Our best United Airlines deals on Ottawa to Missouri flight tickets

United Airlines

5 Dec

YOW6:00 a.m.Ottawa

9h 41m

2 stops

STL2:41 p.m.Lambert-St Louis

11 Dec

STL6:30 a.m.Lambert-St Louis

14h 26m

2 stops

YOW9:56 p.m.Ottawa

C$ 991

United Airlines

13 Nov

YOW6:00 a.m.Ottawa

14h 55m

2 stops

MCI7:55 p.m.Kansas City

20 Nov

MCI6:45 p.m.Kansas City

17h 26m

2 stops

YOW1:11 p.m.Ottawa

C$ 992

United Airlines

3 Dec

YOW3:10 p.m.Ottawa

8h 05m

1 stop

STL10:15 p.m.Lambert-St Louis

10 Dec

STL1:18 p.m.Lambert-St Louis

6h 58m

1 stop

YOW9:16 p.m.Ottawa

C$ 996

Air Canada flights from Ottawa to Missouri

Our best Air Canada deals on Ottawa to Missouri flight tickets

Air Canada

1 Dec

YOW10:05 a.m.Ottawa

6h 21m

1 stop

STL3:26 p.m.Lambert-St Louis

5 Dec

STL9:40 a.m.Lambert-St Louis

10h 36m

1 stop

YOW9:16 p.m.Ottawa

C$ 1,344

Air Canada

20 Oct

YOW2:35 p.m.Ottawa

5h 06m

1 stop

STL6:41 p.m.Lambert-St Louis

21 Oct

STL10:27 a.m.Lambert-St Louis

8h 25m

2 stops

YOW7:52 p.m.Ottawa

C$ 1,415

Air Canada

20 Oct

YOW2:35 p.m.Ottawa

5h 06m

1 stop

STL6:41 p.m.Lambert-St Louis

21 Oct

STL10:27 a.m.Lambert-St Louis

8h 25m

2 stops

YOW7:52 p.m.Ottawa

C$ 1,517

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Tue 3/11

8:00 a.m.-5:40 p.m.

2 stops34h 40m

Lambert-St Louis

Mon 9/11

4:26 p.m.-4:45 p.m.

1 stop23h 19m

C$ 796

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Sat 5/12

8:00 a.m.-12:12 a.m.

1 stop17h 12m

Lambert-St Louis

Fri 11/12

2:47 p.m.-12:41 a.m.

2 stops32h 54m

C$ 796

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Tue 1/12

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

1 stop13h 07m

Lambert-St Louis

Sat 5/12

6:20 p.m.-5:15 p.m.

2 stops21h 55m

C$ 808

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Tue 3/11

7:05 a.m.-3:23 p.m.

3 stops33h 18m

Lambert-St Louis

Mon 9/11

6:34 p.m.-11:40 p.m.

3 stops28h 06m

C$ 816

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Tue 3/11

7:05 a.m.-3:23 p.m.

3 stops33h 18m

Lambert-St Louis

Mon 9/11

6:34 p.m.-5:24 p.m.

2 stops21h 50m

C$ 824

Quickest round-trip

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Sat 28/11

4:46 p.m.-11:24 p.m.

1 stop7h 38m

Lambert-St Louis

Sat 5/12

6:10 a.m.-1:11 p.m.

1 stop6h 01m

C$ 958

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Sat 28/11

6:15 a.m.-2:34 p.m.

1 stop9h 19m

Lambert-St Louis

Sat 5/12

6:30 a.m.-7:27 p.m.

2 stops11h 57m

C$ 958

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Sat 28/11

6:00 a.m.-9:40 p.m.

2 stops16h 40m

Lambert-St Louis

Sat 5/12

6:30 a.m.-3:07 p.m.

2 stops7h 37m

C$ 958

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Sat 5/12

6:00 a.m.-2:41 p.m.

2 stops9h 41m

Lambert-St Louis

Fri 11/12

6:30 a.m.-9:56 p.m.

2 stops14h 26m

C$ 991

OttawaSt. Louis

YOW Ottawa - STL Lambert-St Louis

YOWSTL

Ottawa

Tue 1/12

10:05 a.m.-3:26 p.m.

1 stop6h 21m

Lambert-St Louis

Sat 5/12

9:40 a.m.-9:16 p.m.

1 stop10h 36m

C$ 1,344

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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?

The month of February is, on average, the cheapest month to fly to Missouri from Ottawa, with most prices found around C$ 544. If you are unable to visit Missouri during the month of February, then departing from Ottawa during the month May is also very affordable. Most momondo users find prices during this month for around C$ 560.

Can stopping save me money on Ottawa to Missouri flights?

You could potentially save up to 3% 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

Best price found	C$ 516
Fastest flight time	8h 03m
Direct flights	None

The best one-way flight to Missouri from Ottawa in the past 72 hours is C$ 516. The best round-trip flight deal from Ottawa to Missouri found on momondo in the last 72 hours is C$ 796.

The fastest flight from Ottawa to Missouri takes 8h 03m

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 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 7.3 10,389 reviews		Search United Airlines flights
Air Canada	PriceFrom C$ 416	Free Cancellation	Rating 7.1 11,782 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.