Cheap flights from St. Louis to Ontario from C$ 154
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Ontario departing on 4/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your resultsTrusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? Create a price alert to track prices.Easily compare round-trip flights from St. Louis to Region of Ontario
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Region of Ontario by changing tabs
Find the cheapest one-way flights from St. Louis to Region of Ontario
If you're looking for one-way flights from St. Louis to Region of Ontario, view some of our deals below provided by Air Canada and Delta
Search last-minute flights to Region of Ontario from St. Louis
Find and compare round-trip flight prices for your last-minute flight from St. Louis to Region of Ontario
Best airlines flying from St. Louis to Region of Ontario
Compare and see reviews for airlines that fly from St. Louis to Region of Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 281 | Free Cancellation | Rating 7.0 6,883 reviews |
Delta flights from St. Louis to Region of Ontario
Our best Delta deals on St. Louis to Region of Ontario flight tickets
Air Canada flights from St. Louis to Region of Ontario
Our best Air Canada deals on St. Louis to Region of Ontario flight tickets
How to get the cheapest flight ticket from St. Louis to Region of Ontario
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
What is the cheapest airline that flies to Region of Ontario from St. Louis?
Air Canada. Air Canada is the most popular carrier operating from St. Louis to Region of Ontario
What is the cheapest St. Louis to Region of Ontario flight route?
Lambert-St Louis - Toronto Pearson Intl. Fly from Lambert-St Louis to Toronto Pearson Intl for the best St. Louis - Region of Ontario flight prices
Can stopping save me money on St. Louis to Region of Ontario flights?
You could potentially save up to 19% on your flight if you consider stops on a St. Louis to Region of Ontario flight.
Cheap St. Louis to Region of Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Region of Ontario
Best price found | C$ 154 |
|---|---|
Fastest flight time | 1h 54m |
Direct flights | Mon, Wed, Thu, Fri, Sat and Sun |
Airports in Region of Ontario | 2 airports |
When did momondo last update prices for flights from Lambert-St Louis Airport to Ontario?
Prices for flights from Lambert-St Louis Airport to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Ontario?
There is 1 operator available for flights from Lambert-St Louis Airport to Ontario as of April 2024.
How old do you have to be to fly from Lambert-St Louis Airport to Ontario?
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 Lambert-St Louis Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Ontario?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Ontario for you.
Can I find flights from St. Louis to Ontario with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for St. Louis to Ontario flights to just show those with flexible booking policies.
How can momondo help me find flights from St. Louis to Ontario?
momondo helps you find the best flight between St. Louis and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from St. Louis to Ontario right now. Can momondo alert me if prices change?
If you are not ready to book a flight from St. Louis to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.