$140+ Cheap flights from Missouri to Niagara Falls, Canada
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYZ
Oct 5 — Oct 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Missouri to Niagara Falls with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Missouri to Niagara Falls
Cheapest
Best
Last-minute
One-way
Cheapest flights from Missouri to Niagara FallsExplore the most affordable flight options available from Missouri to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
Explore the most affordable flight options available from Missouri to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:16 am -
1 stop30h 54m
Sun 11/154:20 pm -
1 stop17h 36m
Deal found 8/31![Multiple Airlines logo]()
$305
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:00 am -
1 stop8h 32m
Tue 10/61:15 pm -
1 stop12h 04m
Deal found 9/1![American Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:49 pm -
1 stop8h 37m
Wed 10/141:15 pm -
1 stop8h 42m
Deal found 9/3![American Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:39 pm -
1 stop18h 51m
Thu 10/157:45 am -
1 stop16h 28m
Deal found 9/3![Multiple Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:00 am -
1 stop8h 33m
Wed 10/77:29 am -
1 stop10h 24m
Deal found 9/2![American Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:00 am -
1 stop8h 32m
Wed 10/711:40 am -
1 stop10h 17m
Deal found 9/3![American Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:29 pm -
2 stops29h 26m
Thu 10/157:45 am -
1 stop16h 28m
Deal found 9/3![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:30 pm -
1 stop21h 00m
Fri 10/234:50 pm -
1 stop7h 23m
Deal found 9/3![Multiple Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:00 am -
1 stop8h 32m
Mon 9/281:15 pm -
1 stop12h 12m
Deal found 9/2![American Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 pm -
2 stops43h 20m
Fri 10/234:50 pm -
1 stop7h 23m
Deal found 9/3![Multiple Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:00 am -
1 stop8h 32m
Fri 10/21:15 pm -
1 stop8h 29m
Deal found 9/4![American Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:32 pm -
2 stops24h 23m
Sun 10/47:30 am -
1 stop25h 56m
Deal found 9/2![Multiple Airlines logo]()
$395
Best flights from Missouri to Niagara FallsDiscover carefully curated flight deals from Missouri to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
Discover carefully curated flight deals from Missouri to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:44 am -
1 stop11h 51m
Mon 10/126:25 pm -
1 stop16h 33m
Deal found 9/4![American Airlines logo]()
$493
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:00 am -
1 stop10h 47m
Mon 11/27:26 pm -
1 stop16h 06m
Deal found 9/2![United Airlines logo]()
$558
This United deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:00 pm -
1 stop5h 26m
Thu 11/122:10 pm -
Nonstop2h 16m
Deal found 9/2![Multiple Airlines logo]()
$653
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:36 am -
1 stop5h 54m
Sun 11/226:30 am -
1 stop9h 13m
Deal found 8/31![Delta logo]()
$658
This Air Canada deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:55 am -
Nonstop1h 54m
Sat 9/2612:55 pm -
Nonstop2h 05m
Deal found 8/31![Air Canada logo]()
$729
This Alaska Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:14 pm -
2 stops44h 31m
Mon 10/265:15 pm -
2 stops25h 03m
Deal found 9/4![Alaska Airlines logo]()
$877
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:08 pm -
1 stop15h 26m
Tue 10/276:25 pm -
1 stop16h 37m
Deal found 9/5![American Airlines logo]()
$504
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:32 pm -
1 stop17h 03m
Sat 9/266:30 am -
1 stop15h 16m
Deal found 8/31![American Airlines logo]()
$517
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:04 am -
1 stop8h 27m
Mon 10/1211:00 am -
1 stop11h 21m
Deal found 9/3![United Airlines logo]()
$611
This United deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:08 pm -
1 stop7h 07m
Sun 11/82:10 pm -
Nonstop2h 16m
Deal found 9/2![Multiple Airlines logo]()
$653
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:23 pm -
1 stop6h 36m
Wed 11/112:20 pm -
2 stops10h 04m
Deal found 9/1![Delta logo]()
$668
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:27 am -
1 stop11h 32m
Thu 10/298:20 am -
1 stop10h 05m
Deal found 8/31![United Airlines logo]()
$670
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:00 am -
1 stop6h 40m
Sun 9/276:15 am -
1 stop6h 00m
Deal found 9/3![Delta logo]()
$686
This United deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am -
1 stop7h 03m
Sun 11/82:10 pm -
Nonstop2h 16m
Deal found 8/31![Multiple Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:30 am -
1 stop5h 33m
Sat 12/53:35 pm -
1 stop8h 40m
Deal found 8/31![United Airlines logo]()
$692
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/266:30 am -
2 stops11h 37m
Mon 3/16:30 am -
1 stop9h 11m
Deal found 9/4![Delta logo]()
$692
This United deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:01 am -
1 stop8h 32m
Sun 11/298:35 am -
1 stop26h 24m
Deal found 9/2![Multiple Airlines logo]()
$756
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:15 am -
1 stop8h 31m
Tue 10/132:45 pm -
1 stop9h 10m
Deal found 9/3![United Airlines logo]()
$692
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am -
1 stop9h 18m
Wed 9/306:00 am -
2 stops11h 47m
Deal found 8/31![Delta logo]()
$698
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:19 pm -
1 stop7h 40m
Tue 10/132:45 pm -
1 stop9h 10m
Deal found 9/3![United Airlines logo]()
$692
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:25 pm -
1 stop7h 34m
Tue 10/276:00 am -
2 stops11h 47m
Deal found 9/5![Delta logo]()
$702
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:15 am -
1 stop11h 16m
Sat 10/177:00 am -
1 stop8h 38m
Deal found 9/3![United Airlines logo]()
$692
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:03 am -
1 stop9h 16m
Sat 12/56:20 am -
1 stop9h 24m
Deal found 8/31![Delta logo]()
$745
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:15 am -
1 stop8h 31m
Sat 10/171:00 pm -
1 stop10h 55m
Deal found 9/3![United Airlines logo]()
$692
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
1 stop6h 40m
Sat 9/1911:38 am -
1 stop5h 47m
Deal found 9/2![Delta logo]()
$749
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:15 am -
1 stop11h 44m
Sat 10/177:00 am -
1 stop8h 38m
Deal found 9/3![United Airlines logo]()
$692
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:15 am -
1 stop10h 41m
Tue 10/132:45 pm -
1 stop9h 10m
Deal found 9/3![United Airlines logo]()
$692
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:30 am -
1 stop6h 04m
Sat 9/1911:38 am -
1 stop9h 24m
Deal found 9/5![Delta logo]()
$803
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:02 am -
1 stop5h 26m
Wed 12/94:30 pm -
1 stop18h 10m
Deal found 9/1![United Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:30 am -
1 stop4h 29m
Tue 11/109:45 am -
2 stops7h 57m
Deal found 8/31![Delta logo]()
$828
Last-minute flights from Missouri to Niagara FallsDiscover last-minute flight deals from Missouri to Niagara Falls. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Niagara Falls. Data last updated September 5, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:00 am -
1 stop8h 32m
Mon 9/281:15 pm -
1 stop12h 12m
Deal found 9/2![American Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:00 am -
1 stop8h 32m
Fri 10/21:15 pm -
1 stop8h 29m
Deal found 9/4![American Airlines logo]()
$376
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:00 am -
1 stop8h 32m
Tue 10/61:15 pm -
1 stop12h 04m
Deal found 9/1![American Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:32 pm -
2 stops24h 23m
Sun 10/47:30 am -
1 stop25h 56m
Deal found 9/2![Multiple Airlines logo]()
$395
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:49 pm -
1 stop8h 37m
Wed 10/141:15 pm -
1 stop8h 42m
Deal found 9/3![American Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:29 pm -
2 stops29h 26m
Thu 10/157:45 am -
1 stop16h 28m
Deal found 9/3![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:39 pm -
1 stop18h 51m
Thu 10/157:45 am -
1 stop16h 28m
Deal found 9/3![Multiple Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:00 am -
1 stop8h 32m
Wed 10/711:40 am -
1 stop10h 17m
Deal found 9/3![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:00 am -
1 stop8h 33m
Wed 10/77:29 am -
1 stop10h 24m
Deal found 9/2![American Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 pm -
2 stops43h 20m
Fri 10/234:50 pm -
1 stop7h 23m
Deal found 9/3![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:30 pm -
1 stop21h 00m
Fri 10/234:50 pm -
1 stop7h 23m
Deal found 9/3![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:56 am -
1 stop26h 29m
Sun 10/259:20 am -
1 stop24h 06m
Deal found 9/1![Multiple Airlines logo]()
$410
One-way flights from Missouri to Niagara FallsSearch for one-way flight options from Missouri to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
Search for one-way flight options from Missouri to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:29 pm -
2 stops22h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$140
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:00 am -
1 stop8h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:44 pm -
2 stops29h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$145
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 am -
1 stop7h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$146
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:00 am -
1 stop8h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![American Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
2 stops25h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:59 pm -
3 stops44h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:00 pm -
2 stops27h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:29 pm -
2 stops25h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:00 pm -
2 stops30h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:53 pm -
3 stops26h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$195
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:16 am -
1 stop9h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$210
Find flight deals from Missouri to Niagara Falls
Keep the following information in mind while searching for Missouri to Niagara Falls flight deals. Data was last updated September 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $305 (Kiwi.com) |
One-way from | $140 (Kiwi.com) |
Popular in | August |
Cheapest in | December |
Average price | $689 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Niagara Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 5, 2026.
Use the filters below to find and compare flights from Missouri to Niagara Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisToronto
STL Lambert-St Louis - YYZ Toronto Pearson Intl
STLYYZ
Lambert-St Louis
Wed 9/30
2:00 pm-9:55 pm
2 stops30h 55m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$175
St. LouisToronto
STL Lambert-St Louis - YYZ Toronto Pearson Intl
STLYYZ
Lambert-St Louis
Wed 11/18
6:44 pm-11:40 pm
3 stops27h 56m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$199
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Wed 10/14
6:00 am-4:47 pm
1 stop9h 47m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$210
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Wed 9/23
6:16 am-4:45 pm
1 stop9h 29m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$210
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Thu 12/3
6:00 am-4:34 pm
1 stop9h 34m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$221
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Wed 10/14
8:43 pm-10:45 pm
2 stops25h 02m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$223
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Wed 9/23
8:32 pm-9:55 pm
3 stops24h 23m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$229
St. LouisToronto
STL Lambert-St Louis - YYZ Toronto Pearson Intl
STLYYZ
Lambert-St Louis
Sat 10/17
11:20 am-11:15 pm
1 stop10h 55m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$243
SpringfieldToronto
SGF Springfield-Branson - YYZ Toronto Pearson Intl
SGFYYZ
Springfield-Branson
Sun 11/15
9:18 am-5:10 pm
3 stops54h 52m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$244
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Tue 9/15
6:00 am-1:40 pm
1 stop6h 40m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$285
Showing 1-10 of 55 resultsSorted by cheapest first
Best time to book a flight from Missouri to Niagara Falls
Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Missouri with our price prediction graph.
COU-YYZ
STL-YYZ
MCI-YYZ
SGF-YYZ
JLN-YYZ
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.
Cheapflights Insights
Everything you need to know about your flight from Missouri to Niagara Falls
USMO-NI4
COU-YYZ
STL-YYZ
MCI-YYZ
SGF-YYZ
What is the cheapest time of day to fly from MO to NI4?
Find hourly flight availability from Missouri to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 5, 2026.
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.
How much does it cost to fly round-trip from Missouri to Niagara Falls?
Airfare is below average for this route at the moment.
Missouri to Niagara Falls flights typically cost between $573 and $741 in September.The cheapest round-trip price found within the last 5 days was $341 on American Airlines (Sep 29-Oct 6).
Related info for your journey
Find useful and relevant information for your journey from Missouri to Niagara Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Missouri to Niagara Falls
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Niagara Falls by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Niagara Falls by cabin class
Find flights from Missouri to Niagara Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Niagara Falls flights
Browse other Missouri and Niagara Falls flight options. Last updated on September 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Missouri to Niagara Falls flights
Consider these flights traveling from Missouri to Niagara Falls.
Top 5 airlines flying from Missouri to Niagara Falls
Discover the top 5 airlines that operate flights from Missouri to Niagara Falls. 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 7,457,451 searches. Data last updated September 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$253 | Average$740 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$270 | Average$598 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$272 | Average$606 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$280 | Average$717 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$591 | Average$684 | FlexibilityNo cancel fee | On-time60% |