Cheap flights from Sioux City to Ontario from C$ 424
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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from Sioux City to Ontario
One-way flights from Sioux City to OntarioSearch for one-way flight options from Sioux City to Ontario. Find affordable one-way fares based on user searches. Data last updated 31 March 2025.
Search for one-way flight options from Sioux City to Ontario. Find affordable one-way fares based on user searches. Data last updated 31 March 2025.
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Customize your flight search to find flights from Sioux City to Ontario 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 31 March 2025.
Use the filters below to find and compare flights from Sioux City to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Sioux CityToronto
SUX - YYZ
SUXYYZ
Sioux City Sioux Gateway
Thu 15/5
10:10 a.m.-6:42 p.m.
1 stop7h 32m
Best time to book a flight from Sioux City to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Sioux City with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Sioux City to Ontario
What is the cheapest month to book a flight from Sioux City to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from Sioux City to Region of Ontario (average of C$ 167). Flying from Sioux City to Region of Ontario in July is currently the most expensive (average of C$ 258). 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.
Rainfall in Ontario by month
Plan your trip to Ontario by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.
Temperature in Ontario by month
Plan your trip to Ontario by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 31 March 2025.
Entertainment
Boarding
Crew
Comfort
Overall
Food
Reviews
Thomas,Mar 2025
SFO - TPE
Entertainment
Boarding
Crew
Comfort
Overall
Food
Reviews
Thomas,Mar 2025
SFO - TPE
Related info for your journey
Find useful and relevant information for your journey from Sioux City to Ontario. 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 Sioux City to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
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Can Cheapflights find flights from Sioux City to Ontario with no change fees?
Yes! Cheapflights helps users easily find flights from Sioux City to Ontario with no change fees.
Can Cheapflights notify me if prices for flights from Sioux City to Ontario become cheaper?
Yes, Cheapflights offers price alerts on Sioux City to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.