Cheap flights from St. Louis (STL) to Montreal (YMQ) from $193

Currently, February is the cheapest month in which you can book a flight from St. Louis to Montreal (average of $245). Flying from St. Louis to Montreal in July is currently the most expensive (average of $453). 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.

• What airport do you fly from for flights from St. Louis to Montreal?

  Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Montreal. On average, Lambert-St Louis has 0 outbound flights to Montreal per day from 4 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

• Can I find flights from St. Louis to Montreal for under $500 on Cheapflights?

  Yes, there are multiple flights from St. Louis to Montreal for under $500. The cheapest flight booked recently is on Multiple Airlines for just $402, but on average you can expect to pay $489.

• Are there nonstop flights from St. Louis to Montreal for under $600 on Cheapflights?

  Cheapflights has at least 20 direct flights from St. Louis to Montreal under $600. A good price for a nonstop flight from St. Louis to Montreal is less than $727.

• Are there last-minute flights available from St. Louis to Montreal for under $500?

  There are currently 20+ open flights from St. Louis to Montreal within the next 7 days for less than $500.

• What are the cheapest airlines flying from St. Louis to Montreal round-trip?

  Cheapflights users have booked flights from St. Louis to Montreal round-trip from $440. Other airlines that can offer you cheap pricing are Delta, from $483, and Air Canada, from $533. Sun Country Air is currently priced 24% below the average price you’ll pay for this route.

• What are the cheapest airlines to fly from St. Louis to Montreal one-way?

  The cheapest airline one-way is Sun Country Air, with whom users have recently found tickets for as low as $193. However, be on the lookout for offers from Delta and Air Canada, as they are both options that can get you from St. Louis to Montreal for a low price.

• What are the most popular airlines that fly from St. Louis to Montreal?

  Before booking your flight from St. Louis to Montreal check out the most popular airlines for this route: American Airlines, Air Canada or Delta.

• What are the cheapest flights from St. Louis to Montreal?

  Looking at all options, your cheapest flight can be booked for $277. While the most popular route (Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl) can be booked for $465 on average our data indicates $952 when flying from St. Louis to Montreal.

• What does STL to YUL mean?

  These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Lambert-St Louis Airport to Montreal Pierre Elliott Trudeau Intl Airport flight would often be abbreviated as a STL to YUL flight. Montreal St Hubert Airport (YHU) are other airports near this flight route and their unique identifiers/IATA codes.

• Can I find deals for flights from St. Louis to Montreal that include extra baggage allowance?

  The amount of baggage you can bring on your St. Louis to Montreal flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

• Can I find deals on flights from St. Louis to Montreal with specific airlines?

  Yes, Cheapflights allows you to browse and filter St. Louis to Montreal flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

• Can I find deals for flights from St. Louis to Montreal that allow pets onboard?

  Many airlines flying from St. Louis to Montreal offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

• Can I find deals on last-minute flights from St. Louis to Montreal?

  Yes, you can often find last-minute deals on St. Louis to Montreal flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

• How recently were the St. Louis to Montreal flight deals updated?

  The St. Louis to Montreal flight deals you see on this page were last updated on 4/25.