Cheap flights from Ontario to Missouri from C$ 217
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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ontario to Missouri
Keep the following information in mind while searching for Ontario to Missouri flight deals. Data was last updated 1 April 2025.
Round-trip from | C$ 477 |
---|---|
One-way from | C$ 217 |
Popular in | December |
Cheapest in | July |
Average price | C$ 746 |
Good round-trip deal | C$ 545 or less |
Good one-way deal | C$ 645 or less |
Find flight deals from Ontario to Missouri
Cheapest flights from Ontario to MissouriExplore the most affordable flight options available from Ontario to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 April 2025.
Explore the most affordable flight options available from Ontario to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 April 2025.
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario 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 629,999 searches. Data last updated 1 April 2025.
Use the filters below to find and compare flights from Ontario to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
MontrealKansas City
YUL - MCI
YULMCI
Montreal Pierre Elliott Trudeau Intl
Fri 11/4
6:00 p.m.-12:01 a.m.
1 stop7h 01m
Kansas City
Sun 13/4
6:15 a.m.-11:57 a.m.
1 stop4h 42m
MontrealKansas City
YUL - MCI
YULMCI
Montreal Pierre Elliott Trudeau Intl
Fri 9/5
6:45 a.m.-10:31 a.m.
2 stops28h 46m
Kansas City
Mon 12/5
2:45 p.m.-2:20 p.m.
1 stop22h 35m
MontrealKansas City
YUL - MCI
YULMCI
Montreal Pierre Elliott Trudeau Intl
Fri 9/5
6:45 p.m.-11:07 a.m.
1 stop17h 22m
Kansas City
Mon 12/5
5:26 p.m.-5:40 p.m.
1 stop23h 14m
TorontoSpringfield
YYZ - SGF
YYZSGF
Toronto Pearson Intl
Thu 10/4
10:35 p.m.-9:09 p.m.
2 stops23h 34m
Springfield-Branson
Mon 14/4
9:59 p.m.-4:17 p.m.
1 stop17h 18m
TorontoSt. Louis
YYZ - STL
YYZSTL
Toronto Pearson Intl
Thu 1/5
6:30 p.m.-7:43 p.m.
Nonstop2h 13m
Lambert-St Louis
Wed 7/5
7:30 a.m.-10:25 a.m.
Nonstop1h 55m
TorontoSt. Louis
YYZ - STL
YYZSTL
Toronto Pearson Intl
Tue 29/4
6:30 a.m.-5:15 p.m.
1 stop11h 45m
Lambert-St Louis
Tue 6/5
5:45 p.m.-11:47 p.m.
1 stop29h 02m
TorontoSt. Louis
YYZ - STL
YYZSTL
Toronto Pearson Intl
Wed 21/5
10:20 a.m.-3:08 p.m.
1 stop5h 48m
Lambert-St Louis
Tue 27/5
6:00 a.m.-1:40 p.m.
1 stop6h 40m
TorontoSt. Louis
YYZ - STL
YYZSTL
Toronto Pearson Intl
Wed 6/8
5:15 p.m.-10:45 p.m.
1 stop6h 30m
Lambert-St Louis
Tue 2/9
9:17 a.m.-4:43 p.m.
1 stop6h 26m
TorontoSt. Louis
YYZ - STL
YYZSTL
Toronto Pearson Intl
Mon 19/5
6:20 p.m.-11:51 p.m.
1 stop6h 31m
Lambert-St Louis
Sat 24/5
6:20 a.m.-3:40 p.m.
1 stop8h 20m
MontrealSt. Louis
YUL - STL
YULSTL
Montreal Pierre Elliott Trudeau Intl
Thu 1/5
6:45 a.m.-12:06 a.m.
1 stop18h 21m
Lambert-St Louis
Wed 7/5
5:45 p.m.-2:20 p.m.
1 stop19h 35m
Best time to book a flight from Ontario to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Ontario with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Missouri
What is the cheapest month to book a flight from Region of Ontario to Missouri?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Missouri (average of C$ 365). Flying from Region of Ontario to Missouri in September is currently the most expensive (average of C$ 491). 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.
What is the cheapest time of day to fly from ON to MO?
Find hourly flight availability from Ontario to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 April 2025.
When flying from Region of Ontario to Missouri, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Missouri by month
Plan your trip to Missouri by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Missouri ranges from 28.0 - 132.0 mm per month. May is typically the wettest month, when rainfall can reach 132.0 mm. January is typically the driest time to visit Missouri when rainfall is around 28.0 mm.
Temperature in Missouri by month
Plan your trip to Missouri by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Missouri, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -2.0 C).
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 1 April 2025.
Read through reviews of airlines operating flights from Ontario to Missouri, such as Alaska Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Cheri,Jan 2025
FAT - SEA
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Cheri,Jan 2025
FAT - SEA
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Cheri,Jan 2025
FAT - SEA
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Cheri,Jan 2025
FAT - SEA
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Cheri,Jan 2025
FAT - SEA
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Cheri,Jan 2025
FAT - SEA
Related info for your journey
Find useful and relevant information for your journey from Ontario to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Missouri
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Ontario to Missouri
Discover the top 5 airlines that operate flights from Ontario 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 629,999 searches. Data last updated 1 April 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Ontario to Missouri?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Missouri. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Ontario to Missouri?
Cheapflights helps you find that perfect flight to Missouri from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Ontario to Missouri with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Missouri, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Ontario to Missouri become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!