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Missouri

$169+ Cheap flights from Ottawa (YOW) to Missouri

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — MCI
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Ottawa to Missouri

Cheapest flights from Ottawa to Missouri
Explore the most affordable flight options available from Ottawa to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:27 pmYOW - STL
2 stops18h 00mUnited Airlines
Tue 12/306:35 pmSTL - YOW
2 stops17h 57mUnited Airlines
Deal found 12/13$517
This Air Canada deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:15 amYOW - STL
1 stop7h 14mAir Canada
Tue 12/303:10 pmSTL - YOW
1 stop5h 08mAir Canada
Deal found 12/13$530
This American Airlines deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:10 amYOW - STL
2 stops8h 13mAmerican Airlines
Tue 12/306:41 amSTL - YOW
3 stops10h 44mAmerican Airlines
Deal found 12/13$1,521

Find flight deals from Ottawa to Missouri

Keep the following information in mind while searching for Ottawa to Missouri flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$304
(United Airlines)

One-way from

$169
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$622
Provider with most accurate pricing for Ottawa-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-Lambert-St Louis flights.
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From Ottawa to Missouri
Search Deals
One-way flight from Ottawa to Missouri
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Ottawa to Missouri that are best for you.

Fly from

Ottawa

Fly to

Missouri

Route

Depart

Return

Price

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 1/8

5:11 pm-10:58 pm

1 stop6h 47m

Lambert-St Louis

Mon 1/12

3:11 pm-9:18 pm

1 stop5h 07m

$304

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Thu 1/29

9:45 am-3:10 pm

1 stop6h 25m

Kansas City

Thu 2/5

11:29 am-9:18 pm

1 stop8h 49m

$304

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Sat 1/31

5:11 pm-9:59 pm

1 stop5h 48m

Kansas City

Mon 2/2

10:00 am-9:56 pm

2 stops10h 56m

$304

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Mon 1/26

5:11 pm-9:59 pm

1 stop5h 48m

Kansas City

Fri 1/30

5:45 pm-11:54 pm

1 stop5h 09m

$304

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 1/8

6:00 am-2:30 pm

2 stops9h 30m

Lambert-St Louis

Mon 1/12

8:05 am-7:18 pm

2 stops10h 13m

$364

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Mon 1/19

5:11 pm-10:58 pm

1 stop6h 47m

Lambert-St Louis

Sat 1/24

11:20 am-9:18 pm

1 stop8h 58m

$426

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Wed 1/28

9:30 am-11:33 pm

1 stop15h 03m

$169

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Wed 1/28

7:27 pm-2:30 pm

2 stops20h 03m

$180

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Best time to book a flight from Ottawa to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Missouri

What is the cheapest month to book a flight from Ottawa to Missouri?

Currently, October is the cheapest month in which you can book a flight from Ottawa to Missouri (average of $240). Flying from Ottawa to Missouri in August is currently the most expensive (average of $478). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Ottawa to Missouri?

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated December 15, 2025.
Peruse reviews from past customers who have flown with Air Canada from Ottawa to Missouri to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,525 reviews

Boarding

7.3

Food

6.3

Comfort

7.1

Overall

7.1

Entertainment

6.8

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
Air Canada
7.1
Good
10,525 reviews
Air Canada
7.1
Good
10,525 reviews

Boarding

7.3

Food

6.3

Comfort

7.1

Overall

7.1

Entertainment

6.8

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ottawa to Missouri?

    For a flight from Ottawa to Missouri, you will be flying from Ottawa. Ottawa (YOW) is just 6.6 mi from the center of the city.

  • How long is the flight from Ottawa to Missouri?

    For as low as $304, United Airlines can have you in Missouri from Ottawa in 6h 47m. The distance from Ottawa to Missouri is about 878 mi.

  • Can I find deals for flights from Ottawa to Missouri that include hotel bookings?

    Yes. In addition to deals on Ottawa to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Missouri.

  • Can I find deals for business class flights from Ottawa to Missouri?

    Yes. Cheapflights offers flight deals from Ottawa to Missouri by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to Missouri?

    Currently, October is the cheapest month in which you can book a flight from Ottawa to Missouri (average of $240). Flying from Ottawa to Missouri in August is currently the most expensive (average of $478). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Ottawa to Missouri

Discover the top airline that operate flights from Ottawa to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$350Average$641FlexibilityNo cancel feeOn-time67%

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