What’s the cost of a flight from Saint Louis to Sarnia?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Saint Louis and Sarnia.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Airport options between Saint Louis and Sarnia

Even for routes around 513 mi, using different airports might affect flight cost and travel time.

• Airports in Saint Louis: Only Saint Louis - Lambert operates here.
• Airports in Sarnia: Sarnia is the only functioning airport.

Checking the average travel time to the airport can help you plan better. For some routes, changing your arrival or departure airport might also affect the price.

Customize your flight from Saint Louis to Sarnia

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from Ryanair, Easyjet, British Airways, Expedia, eDreams, and more.

Other popular destinations

Thinking about Canada? You might also consider: Calgary, Montreal, Quebec, Toronto, Vancouver.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.