Cheap Flights from Sarnia (YZR) to St. Louis (STL)

Popular airlines from Sarnia, ON (YZR-Chris Hadfield) to St. Louis Lambert Intl. Airport (STL)

Flights from Sarnia (YZR) to St. Louis (STL)
Origin airport
Chris Hadfield
Destination airport
Lambert-St. Louis Intl.
Distance
513 mi

Sarnia to St. Louis Flights

The cheapest times to fly from Sarnia to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sarnia to St. Louis are during the month of . You can find some of the cheapest flights from Sarnia to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sarnia to St. Louis

Sunday is one of the best days to book for cheap flights from Sarnia to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sarnia to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sarnia to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sarnia to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sarnia to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Chris Hadfield Airport (YZR) to Lambert-St. Louis Intl. Airport (STL) cost?
Lock in a cheap one-way flight or cheap return flight from Chris Hadfield Airport (YZR) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Chris Hadfield Airport (YZR) to Lambert-St. Louis Intl. Airport (STL)?
is the least expensive month to fly from YZR to STL. Traveling during an off-peak travel window is often the key to finding better fares.
What is the cheapest airline that flies from Chris Hadfield Airport (YZR) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline that'll fly you from YZR to STL, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Chris Hadfield Airport (YZR) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily direct flights from Chris Hadfield Airport (YZR) to Lambert-St. Louis Intl. Airport (STL). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from YZR to STL?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Chris Hadfield Airport (YZR) to Lambert-St. Louis Intl. Airport (STL)?
Book a flight from Chris Hadfield Airport (YZR) to Lambert-St. Louis Intl. Airport (STL) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Chris Hadfield Airport (YZR) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from YZR to STL are usually more expensive. For the lowest prices, start looking for flights well ahead of time. That said, if your travel plans are flexible, you may land a cheap fare right before your trip.
Is it cheaper to book a YZR to STL flight and hotel package?
You can save money by booking a YZR to STL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After selecting your ideal flights and accommodations, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Chris Hadfield Airport (YZR) to Lambert-St. Louis Intl. Airport (STL)?
In most cases, you can cancel or reschedule your YZR to STL flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

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*Available to One Key members.