$172+ Cheap flights from Missouri to Niagara Falls, ON, Canada
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
Aug 6 — Aug 131
Round-trip
1 adult, Economy
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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 July 7, 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 July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 10/59:16 am
MCI
- YYZ
1 stop30h 39m
Multiple Airlines
Sun 10/116:30 am
YYZ
- MCI
1 stop27h 46m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/174:57 pm
STL
- YYZ
2 stops20h 08m
Multiple Airlines
Mon 8/248:35 pm
YYZ
- STL
1 stop22h 15m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 7/259:08 am
STL
- YYZ
1 stop13h 21m
American Airlines
Sat 8/17:20 am
YYZ
- STL
1 stop7h 45m
American Airlines
Deal found 7/2![American Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:57 pm
STL
- YYZ
2 stops20h 08m
Multiple Airlines
Thu 8/209:50 am
YYZ
- STL
1 stop7h 21m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Tue 11/310:35 am
STL
- YYZ
2 stops12h 35m
Multiple Airlines
Thu 11/56:30 am
YYZ
- STL
1 stop14h 09m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$432
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Tue 11/35:00 am
STL
- YYZ
1 stop10h 04m
American Airlines
Thu 11/511:32 am
YYZ
- STL
1 stop10h 36m
American Airlines
Deal found 7/3![American Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:09 pm
STL
- YYZ
1 stop26h 56m
Multiple Airlines
Tue 8/119:30 am
YYZ
- STL
2 stops24h 27m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Fri 11/610:35 am
STL
- YYZ
2 stops8h 42m
Multiple Airlines
Mon 11/96:30 am
YYZ
- STL
1 stop14h 09m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/54:57 pm
STL
- YYZ
2 stops20h 08m
Multiple Airlines
Wed 8/127:00 am
YYZ
- STL
1 stop12h 05m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$472
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Tue 8/256:00 am
STL
- YYZ
1 stop7h 33m
American Airlines
Tue 9/83:14 pm
YYZ
- STL
1 stop10h 00m
American Airlines
Deal found 7/3![American Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/2411:26 am
MCI
- YYZ
2 stops25h 39m
Multiple Airlines
Wed 8/268:35 pm
YYZ
- MCI
1 stop20h 27m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/81:45 pm
MCI
- YYZ
2 stops30h 05m
Multiple Airlines
Fri 8/147:00 am
YYZ
- MCI
1 stop9h 47m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$487
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 July 7, 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 July 7, 2026.
This American Airlines deal was found by Cheapflights users on 7/2. 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 9/3012:19 pm
MCI
- YYZ
1 stop10h 07m
American Airlines
Wed 10/141:15 pm
YYZ
- MCI
1 stop12h 03m
American Airlines
Deal found 7/2![American Airlines logo]()
$502
This United deal was found by Cheapflights users on 7/6. 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 8/31:13 pm
STL
- YYZ
1 stop5h 24m
Multiple Airlines
Mon 8/107:15 pm
YYZ
- STL
Nonstop2h 09m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$579
This United Airlines deal was found by Cheapflights users on 7/6. 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 9/224:53 pm
STL
- YYZ
1 stop15h 26m
United Airlines
Wed 9/231:00 pm
YYZ
- STL
1 stop5h 06m
United Airlines
Deal found 7/6![United Airlines logo]()
$579
This Delta deal was found by Cheapflights users on 7/6. 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.
Sat 7/255:39 am
MCI
- YYZ
1 stop5h 44m
Delta
Wed 7/296:10 am
YYZ
- MCI
1 stop4h 34m
Delta
Deal found 7/6![Delta logo]()
$583
This Air Canada deal was found by Cheapflights users on 7/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:55 am
STL
- YYZ
Nonstop2h 01m
Air Canada
Tue 9/812:55 pm
YYZ
- STL
Nonstop2h 05m
Air Canada
Deal found 7/3![Air Canada logo]()
$594
This American Airlines deal was found by Cheapflights users on 7/7. 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 9/117:51 pm
SGF
- YYZ
1 stop15h 44m
American Airlines
Wed 9/163:13 pm
YYZ
- SGF
1 stop8h 19m
American Airlines
Deal found 7/7![American Airlines logo]()
$518
This Delta deal was found by Cheapflights users on 7/7. 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.
Wed 11/255:40 pm
MCI
- YYZ
1 stop4h 20m
Delta
Sat 12/56:15 am
YYZ
- MCI
1 stop5h 54m
Delta
Deal found 7/7![Delta logo]()
$583
This United deal was found by Cheapflights users on 7/7. 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.
Fri 10/26:00 am
STL
- YYZ
1 stop6h 42m
Multiple Airlines
Wed 10/76:55 pm
YYZ
- STL
Nonstop2h 05m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$587
This United Airlines deal was found by Cheapflights users on 7/7. 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 8/285:30 pm
STL
- YYZ
1 stop5h 29m
United Airlines
Mon 8/3111:00 am
YYZ
- STL
1 stop5h 38m
United Airlines
Deal found 7/7![United Airlines logo]()
$598
This Air Canada deal was found by Cheapflights users on 7/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:40 pm
STL
- YYZ
Nonstop1h 57m
Air Canada
Sun 8/2312:55 pm
YYZ
- STL
Nonstop2h 07m
Air Canada
Deal found 7/2![Air Canada logo]()
$608
This American Airlines deal was found by Cheapflights users on 7/5. 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.
Sat 8/228:04 pm
SGF
- YYZ
1 stop13h 55m
American Airlines
Sat 8/297:29 am
YYZ
- SGF
1 stop12h 43m
American Airlines
Deal found 7/5![American Airlines logo]()
$563
This Delta deal was found by Cheapflights users on 7/6. 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 9/86:30 am
MCI
- YYZ
1 stop3h 48m
Delta
Wed 9/166:00 am
YYZ
- MCI
1 stop8h 18m
Delta
Deal found 7/6![Delta logo]()
$583
This United deal was found by Cheapflights users on 7/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:24 pm
STL
- YYZ
1 stop4h 59m
Multiple Airlines
Thu 11/52:10 pm
YYZ
- STL
Nonstop2h 16m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$590
This United Airlines deal was found by Cheapflights users on 7/2. 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 9/45:30 pm
STL
- YYZ
1 stop5h 29m
United Airlines
Mon 9/78:50 am
YYZ
- STL
1 stop7h 07m
United Airlines
Deal found 7/2![United Airlines logo]()
$600
This United deal was found by Cheapflights users on 7/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:15 pm
STL
- YYZ
1 stop5h 00m
Multiple Airlines
Fri 11/62:10 pm
YYZ
- STL
Nonstop2h 16m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$590
This Delta deal was found by Cheapflights users on 7/3. 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.
Sun 10/253:40 pm
MCI
- YYZ
1 stop6h 35m
Delta
Wed 11/116:30 am
YYZ
- MCI
1 stop9h 11m
Delta
Deal found 7/3![Delta logo]()
$607
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/215:30 pm
STL
- YYZ
1 stop5h 29m
United Airlines
Sun 8/235:27 pm
YYZ
- STL
1 stop5h 34m
United Airlines
Deal found 7/2![United Airlines logo]()
$628
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 9/306:11 pm
MCI
- YYZ
2 stops25h 44m
Multiple Airlines
Wed 10/147:45 am
YYZ
- MCI
1 stop10h 31m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$590
This Delta deal was found by Cheapflights users on 7/4. 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 7/315:40 pm
MCI
- YYZ
1 stop5h 18m
Delta
Wed 8/56:00 am
YYZ
- MCI
1 stop8h 52m
Delta
Deal found 7/4![Delta logo]()
$607
This United Airlines deal was found by Cheapflights users on 7/7. 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 8/2810:55 am
COU
- YYZ
1 stop8h 25m
United Airlines
Sat 9/58:50 am
YYZ
- COU
1 stop15h 05m
United Airlines
Deal found 7/7![United Airlines logo]()
$652
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:16 am
MCI
- YYZ
1 stop10h 39m
Multiple Airlines
Mon 10/128:35 pm
YYZ
- MCI
2 stops17h 47m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$606
This Delta deal was found by Cheapflights users on 7/6. 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 9/86:30 am
MCI
- YYZ
1 stop3h 48m
Delta
Thu 9/1711:38 am
YYZ
- MCI
1 stop5h 47m
Delta
Deal found 7/6![Delta logo]()
$607
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 8/2910:55 am
COU
- YYZ
1 stop8h 49m
United Airlines
Wed 9/29:00 pm
YYZ
- COU
1 stop14h 16m
United Airlines
Deal found 7/7![United Airlines logo]()
$652
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Fri 8/77:10 pm
STL
- YYZ
1 stop10h 29m
Multiple Airlines
Sat 8/155:35 pm
YYZ
- STL
2 stops40h 22m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$619
This Delta deal was found by Cheapflights users on 7/5. 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.
Wed 8/196:06 am
SGF
- YYZ
1 stop10h 13m
Delta
Wed 8/2610:00 am
YYZ
- SGF
2 stops13h 21m
Delta
Deal found 7/5![Delta logo]()
$635
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Sun 8/3010:55 am
COU
- YYZ
1 stop8h 49m
United Airlines
Sat 9/58:05 am
YYZ
- COU
1 stop15h 50m
United Airlines
Deal found 7/7![United Airlines logo]()
$652
This Delta deal was found by Cheapflights users on 7/6. 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 9/1112:01 pm
SGF
- YYZ
2 stops10h 38m
Delta
Wed 9/1611:38 am
YYZ
- SGF
1 stop6h 16m
Delta
Deal found 7/6![Delta logo]()
$656
This United Airlines deal was found by Cheapflights users on 7/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:37 pm
SGF
- YYZ
1 stop6h 55m
United Airlines
Wed 9/22:30 pm
YYZ
- SGF
2 stops9h 49m
United Airlines
Deal found 7/5![United Airlines logo]()
$658
This United deal was found by Cheapflights users on 7/7. 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.
Wed 7/228:54 am
JLN
- YYZ
1 stop14h 05m
Multiple Airlines
Sun 7/2612:25 pm
YYZ
- JLN
1 stop25h 57m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$698
This Delta deal was found by Cheapflights users on 7/3. 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.
Sat 8/2211:38 am
SGF
- YYZ
2 stops10h 40m
Delta
Sat 8/297:45 am
YYZ
- SGF
1 stop8h 25m
Delta
Deal found 7/3![Delta logo]()
$658
Last-minute flights from Missouri to Niagara FallsDiscover last-minute flight deals from Missouri to Niagara Falls. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Niagara Falls. Data last updated July 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 7/259:08 am
STL
- YYZ
1 stop13h 21m
American Airlines
Sat 8/17:20 am
YYZ
- STL
1 stop7h 45m
American Airlines
Deal found 7/2![American Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Sat 7/254:09 pm
STL
- YYZ
1 stop30h 26m
Multiple Airlines
Sat 8/11:30 pm
YYZ
- STL
2 stops29h 07m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Tue 7/286:32 pm
COU
- YYZ
1 stop15h 27m
American Airlines
Sat 8/11:17 pm
YYZ
- COU
1 stop8h 58m
American Airlines
Deal found 7/3![American Airlines logo]()
$531
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:09 pm
STL
- YYZ
1 stop26h 56m
Multiple Airlines
Tue 8/119:30 am
YYZ
- STL
2 stops24h 27m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/54:57 pm
STL
- YYZ
2 stops20h 08m
Multiple Airlines
Wed 8/127:00 am
YYZ
- STL
1 stop12h 05m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/81:45 pm
MCI
- YYZ
2 stops30h 05m
Multiple Airlines
Fri 8/147:00 am
YYZ
- MCI
1 stop9h 47m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/174:57 pm
STL
- YYZ
2 stops20h 08m
Multiple Airlines
Mon 8/248:35 pm
YYZ
- STL
1 stop22h 15m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:57 pm
STL
- YYZ
2 stops20h 08m
Multiple Airlines
Thu 8/209:50 am
YYZ
- STL
1 stop7h 21m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/2411:26 am
MCI
- YYZ
2 stops25h 39m
Multiple Airlines
Wed 8/268:35 pm
YYZ
- MCI
1 stop20h 27m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:26 am
MCI
- YYZ
2 stops25h 39m
Multiple Airlines
Mon 8/317:00 am
YYZ
- MCI
1 stop10h 02m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Tue 8/256:00 am
STL
- YYZ
1 stop7h 33m
American Airlines
Tue 9/83:14 pm
YYZ
- STL
1 stop10h 00m
American Airlines
Deal found 7/3![American Airlines logo]()
$475
This FlightHub deal was found by Cheapflights users on 7/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:00 am
STL
- YYZ
2 stops17h 45m
WestJet
Sat 8/297:45 am
YYZ
- STL
1 stop5h 11m
WestJet
Deal found 7/6![WestJet logo]()
$511
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 July 7, 2026.
Search for one-way flight options from Missouri to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/316:17 pm
STL
- YYZ
2 stops18h 48m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:26 am
MCI
- YYZ
2 stops25h 39m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/262:00 pm
STL
- YYZ
2 stops30h 55m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Thu 8/276:17 pm
STL
- YYZ
2 stops40h 18m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$214
This American Airlines deal was found by Cheapflights users on 7/3. 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 8/266:00 am
STL
- YYZ
1 stop7h 33m
American Airlines
Deal found 7/3![American Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:34 pm
STL
- YYZ
2 stops42h 31m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 7/316:07 pm
MCI
- YYZ
2 stops18h 58m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/66:34 pm
STL
- YYZ
3 stops21h 35m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Fri 8/214:47 pm
MCI
- YYZ
3 stops30h 12m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/46:34 pm
STL
- YYZ
3 stops26h 30m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/3111:26 am
MCI
- YYZ
3 stops25h 39m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$228
This Delta deal was found by Cheapflights users on 7/6. 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 8/207:56 pm
MCI
- YYZ
2 stops20h 23m
Delta
Deal found 7/6![Delta logo]()
$254
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 July 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $364 (Kiwi.com) |
One-way from | $172 (Kiwi.com) |
Popular in | November |
Cheapest in | December |
Average price | $654 |
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 2,558,603 searches. Data last updated July 7, 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
Kansas CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Wed 9/30
12:19 pm-11:26 pm
1 stop10h 07m
Toronto Pearson Intl
Wed 10/14
1:15 pm-12:18 am
1 stop12h 03m
$502
SpringfieldToronto
SGF - YYZ
SGFYYZ
Springfield-Branson
Fri 9/11
7:51 pm-12:35 pm
1 stop15h 44m
Toronto Pearson Intl
Wed 9/16
3:13 pm-10:32 pm
1 stop8h 19m
$518
SpringfieldToronto
SGF - YYZ
SGFYYZ
Springfield-Branson
Sat 8/22
8:04 pm-10:59 am
1 stop13h 55m
Toronto Pearson Intl
Sat 8/29
7:29 am-7:12 pm
1 stop12h 43m
$563
St. LouisToronto
STL - YYZ
STLYYZ
Lambert-St Louis
Mon 8/3
1:13 pm-7:37 pm
1 stop5h 24m
Toronto Pearson Intl
Mon 8/10
7:15 pm-8:24 pm
Nonstop2h 09m
$579
St. LouisToronto
STL - YYZ
STLYYZ
Lambert-St Louis
Tue 9/22
4:53 pm-9:19 am
1 stop15h 26m
Toronto Pearson Intl
Wed 9/23
1:00 pm-5:06 pm
1 stop5h 06m
$579
Kansas CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Sat 7/25
5:39 am-12:23 pm
1 stop5h 44m
Toronto Pearson Intl
Wed 7/29
6:10 am-9:44 am
1 stop4h 34m
$583
Kansas CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Wed 11/25
5:40 pm-11:00 pm
1 stop4h 20m
Toronto Pearson Intl
Sat 12/5
6:15 am-11:09 am
1 stop5h 54m
$583
Kansas CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Tue 9/8
6:30 am-11:18 am
1 stop3h 48m
Toronto Pearson Intl
Wed 9/16
6:00 am-1:18 pm
1 stop8h 18m
$583
St. LouisToronto
STL - YYZ
STLYYZ
Lambert-St Louis
Fri 10/2
6:00 am-1:42 pm
1 stop6h 42m
Toronto Pearson Intl
Wed 10/7
6:55 pm-8:00 pm
Nonstop2h 05m
$587
St. LouisToronto
STL - YYZ
STLYYZ
Lambert-St Louis
Tue 11/3
1:24 pm-7:23 pm
1 stop4h 59m
Toronto Pearson Intl
Thu 11/5
2:10 pm-3:26 pm
Nonstop2h 16m
$590
Showing 1-10 of 51 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.
STL-YYZ
MCI-YYZ
COU-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
STL-YYZ
MCI-YYZ
COU-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 July 7, 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?
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
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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 July 7, 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 2,558,603 searches. Data last updated July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$247 | Average$614 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$253 | Average$719 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$722 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$270 | Average$545 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$591 | Average$718 | FlexibilityNo cancel fee | On-time60% |