Cheap flights from St. Louis (STL) to Niagara Falls, Canada from $123

Currently, January is the cheapest month in which you can book a flight from St. Louis to Niagara Falls (average of $237). Flying from St. Louis to Niagara Falls in July is currently the most expensive (average of $400). 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 Niagara Falls?

  If you book a flight to Niagara Falls from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 2 flights from Lambert-St Louis to Niagara Falls per day from 3 different airlines.

• Can I find flights from St. Louis to Niagara Falls for under $300 on Cheapflights?

  Yes, there are multiple flights from St. Louis to Niagara Falls for under $300. The cheapest flight booked recently is on Multiple Airlines for just $243, but on average you can expect to pay $336.

• Are there nonstop flights from St. Louis to Niagara Falls for under $500 on Cheapflights?

  Cheapflights has at least 18 direct flights from St. Louis to Niagara Falls under $500. A good price for a nonstop flight from St. Louis to Niagara Falls is less than $667.

• Are there last-minute flights available from St. Louis to Niagara Falls for under $400?

  There are currently 11+ open flights from St. Louis to Niagara Falls within the next 7 days for less than $400.

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

  One-way options have recently been found by users for as low as $205 on American Airlines. Other airlines that offer cheap prices include Delta from $207 and United Airlines from $263 one-way.

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

  Consider American Airlines, Air Canada or United Airlines when booking your flight. These represent the most popular airlines when flying from St. Louis to Niagara Falls.

• What are the most reliable airlines from St. Louis to Niagara Falls?

  The top 3 most reliable airlines when flying from St. Louis to Niagara Falls are United Airlines (94%), Air Canada (89%) and Jazz (89%).

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

  Looking at all options, your cheapest flight can be booked for $231. While the most popular route (Lambert-St Louis - Toronto Pearson Intl) can be booked for $258 on average our data indicates $1,883 when flying from St. Louis to Niagara Falls.

• What does STL to YYZ 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 Toronto Pearson Intl Airport flight would often be abbreviated as a STL to YYZ flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Toronto Island Airport (YTZ), Hamilton Airport (YHM), Toronto Kitchener-Waterloo Airport (YKF).

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

  The amount of baggage you can bring on your St. Louis to Niagara Falls 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 Niagara Falls with specific airlines?

  Yes, Cheapflights allows you to browse and filter St. Louis to Niagara Falls 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 Niagara Falls that include hotel bookings?

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

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

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

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

  Yes. Cheapflights offers flight deals from St. Louis to Niagara Falls 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 Niagara Falls that allow pets onboard?

  Many airlines flying from St. Louis to Niagara Falls 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 Niagara Falls?

  Yes, you can often find last-minute deals on St. Louis to Niagara Falls 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 Niagara Falls flight deals updated?

  The St. Louis to Niagara Falls flight deals you see on this page were last updated on 5/7.