How does KAYAK find such low prices on flights from Missouri to Ottawa?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Ottawa. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Ottawa?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from Missouri is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Missouri to Ottawa?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ottawa with an airline and back to Missouri with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Ottawa?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ottawa from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$158 CHEAP FLIGHTS from Missouri to Ottawa

YOW

KAYAK searches hundreds of travel sites at once for deals on flights to Ottawa

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$409

Typical prices: $832-$841

Air Canada

Mon 5/11Wed 5/13

STL - YOW • 1 stop

Cheapest one-way

$158

United Airlines

Sat 4/11

STL - YOW • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Ottawa!

Flight Deals

Cheap Flights from Missouri to Ottawa

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Missouri to Ottawa

Mon, May 11 - Wed, May 13

1:00 pm - 8:51 pm

STL

YOW

6h 51m

1 stop

2:25 pm - 8:05 pm

YOW

STL

6h 40m

1 stop

$409Air Canada

Sun, May 10 - Thu, May 14

7:30 am - 3:10 pm

STL

YOW

6h 40m

1 stop

7:00 am - 12:06 pm

YOW

STL

6h 06m

1 stop

$419Air Canada

Wed, Mar 11 - Tue, Mar 17

9:15 am - 5:12 pm

MCI

YOW

6h 57m

1 stop

2:15 pm - 8:41 pm

YOW

MCI

7h 26m

1 stop

$428United Airlines

Fri, Feb 6 - Mon, Feb 9

5:45 pm - 11:54 pm

MCI

YOW

5h 09m

1 stop

5:11 pm - 9:59 pm

YOW

MCI

5h 48m

1 stop

$456United Airlines

Fri, Feb 6 - Mon, Feb 9

8:00 am - 9:56 pm

MCI

YOW

12h 56m

2 stops

5:11 pm - 9:59 pm

YOW

MCI

5h 48m

1 stop

$466United Airlines

Fri, Feb 6 - Mon, Feb 9

8:00 am - 9:56 pm

MCI

YOW

12h 56m

2 stops

7:27 pm - 2:27 pm

YOW

MCI

20h 00m

2 stops

$471United Airlines

Sat, Mar 14 - Thu, Mar 19

7:00 pm - 10:26 am

STL

YOW

14h 26m

1 stop

5:00 am - 2:42 pm

YOW

STL

10h 42m

2 stops

$494United Airlines

Wed, Mar 11 - Tue, Mar 17

6:28 am - 12:38 am

MCI

YOW

17h 10m

2 stops

6:45 am - 11:54 pm

YOW

MCI

18h 09m

2 stops

$509American Airlines

Sat, Apr 25 - Mon, Apr 27

6:00 am - 4:51 pm

STL

YOW

9h 51m

2 stops

6:45 am - 11:48 pm

YOW

STL

18h 03m

2 stops

$509American Airlines

Sat, Apr 25 - Mon, Apr 27

11:43 am - 12:39 am

STL

YOW

11h 56m

2 stops

9:30 am - 11:19 pm

YOW

STL

14h 49m

1 stop

$583Multiple Airlines

Useful Info

Low season	November
High season	July
Cheapest flight	$158

Best time to beat the crowds but there is an average 7% increase in price.

Most popular time to fly and prices are also 1% lower on average.

Flight from St. Louis to Ottawa

How does KAYAK find such low prices on flights from Missouri to Ottawa?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Ottawa.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Ottawa?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Missouri to Ottawa?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ottawa with an airline and back to Missouri with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Ottawa?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ottawa from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Perth

Smiths Falls

Wakefield

Calabogie

Lanark

Ingleside

Everything you need to know for your flight to Ottawa

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Ottawa

Ottawa (YOW)

YOW

$158 Find Cheap Flights from Missouri to Ottawa

KAYAK searches hundreds of travel sites at once for deals on flights to Ottawa

Everything you should know

Cheap Flights from Missouri to Ottawa

Recent round-trip flight deals from Missouri to Ottawa

Recent one-way flight deals from Missouri to Ottawa

Good to know

FAQs for booking flights from Missouri to Ottawa

How does KAYAK find such low prices on flights from Missouri to Ottawa?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Ottawa.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Ottawa?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Missouri to Ottawa?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ottawa with an airline and back to Missouri with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Ottawa?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ottawa from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Ottawa?

Everything you need to know for your flight to Ottawa

Information on the airport you'll fly into in Ottawa

Cabin class types available on flights to Missouri

Complete your trip to Ottawa with a hotel stay or car rental

Find direct flights for Ottawa

Flights to other popular destinations

Flights from domestic origins to Ottawa

Choose which airport to fly into in Ottawa

Find deals for your return flight