Find out what a flight from Saint Louis to Saint John might cost

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

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Flying from or to Saint Louis and Saint John? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

• Airports in Saint Louis: Only Saint Louis - Lambert is available for departures.
• Airports in Saint John: Saint John is the only arrival option right now.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Plan your perfect flight from Saint Louis to Saint John

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers and more.

Other popular destinations

Planning a trip to Canada? Other frequent searches include: Calgary, Montreal, Quebec, Toronto, Vancouver.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.