Cheap flights from Moncton to St. Louis

YQM — STL
5 Jul — 12 Jul1
1 adult

Best time to book a flight from Moncton to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Moncton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Moncton to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Moncton to St. Louis that include hotel bookings?

    Yes. In addition to deals on Moncton to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Moncton to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Moncton to St. Louis.

  • Can I find deals for business class flights from Moncton to St. Louis?

    Yes. Cheapflights offers flight deals from Moncton to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Moncton to St. Louis?

    Currently, January is the cheapest month in which you can book a flight from Moncton to St. Louis (average of C$ 365). Flying from Moncton to St. Louis in September is currently the most expensive (average of C$ 491). 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.

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Travelling to a place near Moncton?

Book flights to Moncton if you plan to visit one of these locations
Chesterfield
St. Peters

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Top airline flying from Moncton to St. Louis

Discover the top airline that operate flights from Moncton to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 30 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 918AverageC$ 1,184FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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How does Cheapflights help users find flights from Moncton to St. Louis?

Cheapflights helps you search for flights from Moncton to St. Louis via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Moncton to St. Louis?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Moncton to St. Louis for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Moncton to St. Louis with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Moncton to St. Louis flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Moncton to St. Louis become cheaper?

Not ready to book yet? You can track prices for flights from Moncton to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

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