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 48% 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 July 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$ 290 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.

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

YOW

STL

6h 00m

1 stop

6:00 a.m. - 1:11 p.m.

STL

YOW

6h 11m

1 stop

C$ 480United Airlines

Wed, 11 Nov - Mon, 23 Nov

6:25 a.m. - 3:43 p.m.

YOW

STL

10h 18m

1 stop

1:29 p.m. - 9:35 p.m.

STL

YOW

7h 06m

1 stop

C$ 483United Airlines

Thu, 1 Oct - Mon, 5 Oct

2:00 p.m. - 12:06 p.m.

YOW

STL

23h 06m

2 stops

6:00 a.m. - 2:09 p.m.

STL

YOW

7h 09m

1 stop

C$ 485United Airlines

Wed, 11 Nov - Mon, 23 Nov

2:35 p.m. - 6:41 p.m.

YOW

STL

5h 06m

1 stop

2:40 p.m. - 1:35 a.m.

STL

YOW

9h 55m

1 stop

C$ 543Air Canada

Thu, 1 Oct - Mon, 5 Oct

2:35 p.m. - 6:41 p.m.

YOW

STL

5h 06m

1 stop

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

STL

YOW

13h 10m

2 stops

C$ 568Air Canada

Thu, 1 Oct - Mon, 5 Oct

6:55 a.m. - 7:58 p.m.

YOW

STL

14h 03m

2 stops

2:30 p.m. - 12:20 a.m.

STL

YOW

8h 50m

2 stops

C$ 589Delta

Thu, 1 Oct - Mon, 5 Oct

6:55 a.m. - 3:54 p.m.

YOW

STL

9h 59m

2 stops

2:30 p.m. - 12:20 a.m.

STL

YOW

8h 50m

2 stops

C$ 591Delta

Thu, 1 Oct - Mon, 5 Oct

6:25 a.m. - 3:43 p.m.

YOW

STL

10h 18m

1 stop

1:29 p.m. - 9:35 p.m.

STL

YOW

7h 06m

1 stop

C$ 597United Airlines

Thu, 1 Oct - Mon, 5 Oct

6:55 a.m. - 7:58 p.m.

YOW

STL

14h 03m

2 stops

2:30 p.m. - 12:20 a.m.

STL

YOW

8h 50m

2 stops

C$ 621Delta

Thu, 1 Oct - Mon, 5 Oct

5:20 p.m. - 8:58 a.m.

YOW

MCI

16h 38m

2 stops

10:00 a.m. - 7:52 p.m.

MCI

YOW

8h 52m

2 stops

C$ 796Air Canada

Fri, 18 Sep - Tue, 22 Sep

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Air Canada flights from Ottawa to Missouri

Our best Air Canada deals on Ottawa to Missouri flight tickets

Air Canada

1 Oct

YOW2:35 p.m.Ottawa

5h 06m

1 stop

STL6:41 p.m.Lambert-St Louis

5 Oct

STL2:40 p.m.Lambert-St Louis

9h 55m

1 stop

YOW1:35 a.m.Ottawa

C$ 543

Air Canada

1 Oct

YOW2:35 p.m.Ottawa

5h 06m

1 stop

STL6:41 p.m.Lambert-St Louis

5 Oct

STL8:00 a.m.Lambert-St Louis

13h 10m

2 stops

YOW10:10 p.m.Ottawa

C$ 568

Air Canada

1 Oct

YOW6:00 a.m.Ottawa

9h 17m

2 stops

STL2:17 p.m.Lambert-St Louis

5 Oct

STL3:11 p.m.Lambert-St Louis

5h 24m

1 stop

YOW9:35 p.m.Ottawa

C$ 684

United Airlines flights from Ottawa to Missouri

Our best United Airlines deals on Ottawa to Missouri flight tickets

United Airlines

11 Nov

YOW6:00 a.m.Ottawa

6h 00m

1 stop

STL11:00 a.m.Lambert-St Louis

23 Nov

STL6:00 a.m.Lambert-St Louis

6h 11m

1 stop

YOW1:11 p.m.Ottawa

C$ 480

United Airlines

1 Oct

YOW6:25 a.m.Ottawa

10h 18m

1 stop

STL3:43 p.m.Lambert-St Louis

5 Oct

STL1:29 p.m.Lambert-St Louis

7h 06m

1 stop

YOW9:35 p.m.Ottawa

C$ 483

United Airlines

11 Nov

YOW2:00 p.m.Ottawa

23h 06m

2 stops

STL12:06 p.m.Lambert-St Louis

23 Nov

STL6:00 a.m.Lambert-St Louis

7h 09m

1 stop

YOW2:09 p.m.Ottawa

C$ 485

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Wed 11/11

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

1 stop6h 00m

Lambert-St Louis

Mon 23/11

6:00 a.m.-1:11 p.m.

1 stop6h 11m

C$ 480

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 1/10

6:25 a.m.-3:43 p.m.

1 stop10h 18m

Lambert-St Louis

Mon 5/10

1:29 p.m.-9:35 p.m.

1 stop7h 06m

C$ 483

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Wed 11/11

2:00 p.m.-12:06 p.m.

2 stops23h 06m

Lambert-St Louis

Mon 23/11

6:00 a.m.-2:09 p.m.

1 stop7h 09m

C$ 485

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 1/10

2:35 p.m.-6:41 p.m.

1 stop5h 06m

Lambert-St Louis

Mon 5/10

2:40 p.m.-1:35 a.m.

1 stop9h 55m

C$ 543

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 1/10

2:35 p.m.-6:41 p.m.

1 stop5h 06m

Lambert-St Louis

Mon 5/10

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

2 stops13h 10m

C$ 568

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 1/10

6:55 a.m.-7:58 p.m.

2 stops14h 03m

Lambert-St Louis

Mon 5/10

2:30 p.m.-12:20 a.m.

2 stops8h 50m

C$ 589

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 1/10

6:55 a.m.-3:54 p.m.

2 stops9h 59m

Lambert-St Louis

Mon 5/10

2:30 p.m.-12:20 a.m.

2 stops8h 50m

C$ 591

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 1/10

6:25 a.m.-3:43 p.m.

1 stop10h 18m

Lambert-St Louis

Mon 5/10

1:29 p.m.-9:35 p.m.

1 stop7h 06m

C$ 597

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 1/10

6:55 a.m.-7:58 p.m.

2 stops14h 03m

Lambert-St Louis

Mon 5/10

2:30 p.m.-12:20 a.m.

2 stops8h 50m

C$ 621

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Fri 18/9

5:20 p.m.-8:58 a.m.

2 stops16h 38m

Kansas City

Tue 22/9

10:00 a.m.-7:52 p.m.

2 stops8h 52m

C$ 796

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?

The month of May is, on average, the cheapest month to fly to Missouri from Ottawa, with most prices found around C$ 404. If you are unable to visit Missouri during the month of May, then departing from Ottawa during the month December is also very affordable. Most momondo users find prices during this month for around C$ 425.

Can stopping save me money on Ottawa to Missouri flights?

You could potentially save up to 16% 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 00m
Direct flights	None

The fastest flight from Ottawa to Missouri takes 5h 00m

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 July 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$ 408	Free Cancellation	Rating 7.4 9,968 reviews		Search United Airlines flights
Air Canada	PriceFrom C$ 417	Free Cancellation	Rating 7.1 11,324 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.