Niagara Falls

Cheap flights from Missouri to Niagara Falls, ON, Canada

STL — YYZ
Dec 4 — Dec 111
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Find flight deals from Missouri to Niagara Falls

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

August

Cheapest in

January

Average price

$634
Provider with most accurate pricing for Lambert-St Louis-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Toronto (YTO) flights.
Highest demand for flights based on searches. 14% potential increase in price ($98 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Insights

Everything you need to know about your flight from Missouri to Niagara Falls

What is the cheapest time of day to fly from MO to NI4?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Niagara Falls as you normally would.

Related info for your journey

  • What are the cheapest airlines to fly from Missouri to Niagara Falls one-way?

    The cheapest airlines for a one-way flight from Missouri to Niagara Falls are United Airlines ($218), Delta ($228), and Air Canada ($256).

  • What are the most popular routes from Missouri to Niagara Falls?

  • What are the most reliable airlines from Missouri to Niagara Falls?

    Before booking your flight to Niagara Falls from Missouri, check out the most reliable airlines to get you to your destination on time: United Airlines (84%), Air Canada (79%), Jazz( 79%).

  • What are the cheapest flights from Missouri to Niagara Falls?

    Looking for the cheapest flight from Missouri to Niagara Falls? While on average our users pay $2,014, our data indicates the cheapest price to be $331. The most popular route (Lambert-St Louis - Toronto Pearson Intl), is priced around $400.

  • Can I find deals for flights from Missouri to Niagara Falls that include hotel bookings?

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

  • How can I find direct flights from Missouri to Niagara Falls?

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

  • Can I find deals for business class flights from Missouri to Niagara Falls?

    Yes. Cheapflights offers flight deals from Missouri 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.

See more FAQs

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Alternative routes for Missouri to Niagara Falls

Top 5 airlines flying from Missouri to Niagara Falls

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$253Average$759FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$272Average$605FlexibilityNo cancel feeOn-time67%
DeltaCheapest$280Average$673FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$376Average$660FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$453Average$644FlexibilityNo cancel feeOn-time71%

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