$125+ Cheap flights from Ontario (ONT) to South Dakota
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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FSD
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to South Dakota 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
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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 Ontario to South Dakota
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Cheapest flights from Ontario to South DakotaExplore the most affordable flight options available from Ontario to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Ontario to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/2512:45 pm -
1 stop6h 08m
Wed 12/28:00 am -
1 stop6h 38m
Deal found 10/26![American Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/2410:30 pm -
1 stop15h 19m
Wed 12/3010:06 am -
2 stops34h 09m
Deal found 10/28![Multiple Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/58:35 pm -
1 stop23h 06m
Fri 11/1310:31 pm -
1 stop19h 50m
Deal found 10/30![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/75:07 pm -
1 stop18h 21m
Fri 11/1310:31 pm -
1 stop12h 34m
Deal found 10/30![Multiple Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/1112:42 pm -
1 stop6h 12m
Sat 11/145:58 pm -
1 stop6h 59m
Deal found 10/28![American Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/111:29 pm -
1 stop4h 35m
Sat 11/149:32 am -
2 stops10h 29m
Deal found 10/28![United Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 10/25. 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 11/512:42 pm -
1 stop6h 12m
Mon 11/95:58 pm -
1 stop7h 48m
Deal found 10/25![American Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/185:00 am -
1 stop5h 35m
Thu 11/269:32 am -
1 stop5h 01m
Deal found 10/25![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 10/28. 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 11/127:00 am -
2 stops14h 41m
Mon 11/162:23 pm -
2 stops10h 26m
Deal found 10/28![Delta logo]()
$479
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/612:42 pm -
1 stop6h 12m
Wed 11/112:26 pm -
1 stop5h 44m
Deal found 10/30![American Airlines logo]()
$482
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/125:00 am -
1 stop5h 58m
Mon 11/164:00 pm -
1 stop5h 51m
Deal found 10/28![United Airlines logo]()
$509
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/75:07 pm -
1 stop17h 09m
Thu 11/122:56 pm -
1 stop26h 25m
Deal found 10/30![Multiple Airlines logo]()
$516
Best flights from Ontario to South DakotaDiscover carefully curated flight deals from Ontario to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Ontario to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/145:00 am -
1 stop5h 35m
Wed 11/187:48 am -
2 stops12h 13m
Deal found 10/29![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/251:29 pm -
1 stop4h 35m
Wed 12/29:24 am -
2 stops13h 14m
Deal found 10/26![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 10/29. 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 2/61:42 pm -
1 stop4h 19m
Tue 2/97:00 am -
1 stop6h 40m
Deal found 10/29![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/231:29 pm -
1 stop4h 35m
Thu 11/269:32 am -
1 stop5h 01m
Deal found 10/25![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/231:29 pm -
1 stop4h 35m
Tue 12/15:22 pm -
1 stop5h 49m
Deal found 10/25![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/79:25 am -
2 stops12h 04m
Sat 11/141:20 pm -
2 stops8h 55m
Deal found 10/30![United Airlines logo]()
$567
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/51:29 pm -
1 stop4h 35m
Sat 11/1411:14 am -
2 stops11h 37m
Deal found 10/27![United Airlines logo]()
$579
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/61:32 pm -
1 stop4h 37m
Sun 11/85:55 am -
2 stops8h 34m
Deal found 10/28![United Airlines logo]()
$614
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/225:00 am -
1 stop5h 35m
Fri 11/279:32 am -
1 stop5h 01m
Deal found 10/26![United Airlines logo]()
$623
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/241:29 pm -
1 stop4h 35m
Fri 11/279:32 am -
1 stop5h 01m
Deal found 10/25![United Airlines logo]()
$623
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/99:25 am -
2 stops12h 04m
Fri 11/137:48 am -
2 stops30h 41m
Deal found 10/25![United Airlines logo]()
$713
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/91:40 pm -
1 stop4h 53m
Tue 12/299:00 am -
1 stop5h 42m
Deal found 10/28![United Airlines logo]()
$717
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/97:00 am -
1 stop9h 38m
Sat 12/269:00 am -
1 stop5h 42m
Deal found 10/28![United Airlines logo]()
$717
Last-minute flights from Ontario to South DakotaDiscover last-minute flight deals from Ontario to South Dakota. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to South Dakota. Data last updated October 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/58:35 pm -
1 stop23h 06m
Fri 11/1310:31 pm -
1 stop19h 50m
Deal found 10/30![Multiple Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 10/25. 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 11/512:42 pm -
1 stop6h 12m
Mon 11/95:58 pm -
1 stop7h 48m
Deal found 10/25![American Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/612:42 pm -
1 stop6h 12m
Wed 11/112:26 pm -
1 stop5h 44m
Deal found 10/30![American Airlines logo]()
$482
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/61:32 pm -
1 stop4h 37m
Wed 11/117:48 am -
2 stops12h 13m
Deal found 10/30![United Airlines logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/75:07 pm -
1 stop18h 21m
Fri 11/1310:31 pm -
1 stop12h 34m
Deal found 10/30![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/75:07 pm -
1 stop17h 09m
Thu 11/122:56 pm -
1 stop26h 25m
Deal found 10/30![Multiple Airlines logo]()
$516
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/1112:42 pm -
1 stop6h 12m
Sat 11/145:58 pm -
1 stop6h 59m
Deal found 10/28![American Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/111:29 pm -
1 stop4h 35m
Sat 11/149:32 am -
2 stops10h 29m
Deal found 10/28![United Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 10/28. 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 11/127:00 am -
2 stops14h 41m
Mon 11/162:23 pm -
2 stops10h 26m
Deal found 10/28![Delta logo]()
$479
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/125:00 am -
1 stop5h 58m
Mon 11/164:00 pm -
1 stop5h 51m
Deal found 10/28![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/185:00 am -
1 stop5h 35m
Thu 11/269:32 am -
1 stop5h 01m
Deal found 10/25![United Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/2512:45 pm -
1 stop6h 08m
Wed 12/28:00 am -
1 stop6h 38m
Deal found 10/26![American Airlines logo]()
$359
One-way flights from Ontario to South DakotaSearch for one-way flight options from Ontario to South Dakota. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Ontario to South Dakota. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/308:15 am -
1 stop10h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/1810:48 pm -
1 stop13h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/208:31 pm -
2 stops36h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 11/2910:40 pm -
1 stop20h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$238
This American Airlines deal was found by Cheapflights users on 10/26. 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 12/189:47 pm -
1 stop14h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![American Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/2010:37 am -
1 stop8h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![American Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/26:30 am -
2 stops11h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 10/30. 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 1/57:05 am -
1 stop10h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/26. 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 2/175:00 am -
1 stop5h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$374
Find flight deals from Ontario to South Dakota
Keep the following information in mind while searching for Ontario to South Dakota flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (American Airlines) |
One-way from | $125 (Kiwi.com) |
Popular in | November |
Cheapest in | July |
Average price | $453 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to South Dakota 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 October 30, 2026.
Use the filters below to find and compare flights from Ontario to South Dakota that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioSioux Falls
ONT Ontario - FSD Sioux Falls Joe Foss Field
ONTFSD
Ontario
Mon 11/30
8:15 am-8:55 pm
1 stop10h 40m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$125
OntarioSioux Falls
ONT Ontario - FSD Sioux Falls Joe Foss Field
ONTFSD
Ontario
Fri 11/20
8:31 pm-11:06 am
2 stops36h 35m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$223
OntarioSioux Falls
ONT Ontario - FSD Sioux Falls Joe Foss Field
ONTFSD
Ontario
Sun 11/29
10:40 pm-8:55 pm
1 stop20h 15m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$238
OntarioRapid City
ONT Ontario - RAP Rapid City
ONTRAP
Ontario
Wed 2/17
5:00 am-11:32 am
1 stop5h 32m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$374
OntarioSioux Falls
ONT Ontario - FSD Sioux Falls Joe Foss Field
ONTFSD
Ontario
Sun 1/3
10:48 pm-9:04 pm
1 stop20h 16m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$382
OntarioSioux Falls
ONT Ontario - FSD Sioux Falls Joe Foss Field
ONTFSD
Ontario
Sun 12/27
11:52 pm-10:39 am
1 stop8h 47m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$394
Quickest round-trip
OntarioSioux Falls
ONT Ontario - FSD Sioux Falls Joe Foss Field
ONTFSD
Ontario
Wed 11/25
1:29 pm-8:04 pm
1 stop4h 35m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$394
OntarioSioux Falls
ONT Ontario - FSD Sioux Falls Joe Foss Field
ONTFSD
Ontario
Sat 1/2
10:51 pm-7:37 pm
3 stops42h 46m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$405
OntarioSioux Falls
ONT Ontario - FSD Sioux Falls Joe Foss Field
ONTFSD
Ontario
Sat 11/14
5:00 am-12:35 pm
1 stop5h 35m
Sioux Falls Joe Foss Field
Wed 11/18
7:48 am-6:01 pm
2 stops12h 13m
$434
OntarioSioux Falls
ONT Ontario - FSD Sioux Falls Joe Foss Field
ONTFSD
Ontario
Thu 11/19
1:29 pm-8:04 pm
1 stop4h 35m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$439
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Ontario to South Dakota
Have a flexible travel schedule? Discover the best time to fly to South Dakota from Ontario with our price prediction graph.
ONT-FSD
ONT-RAP
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 Ontario to South Dakota
ONT-USSD
ONT-FSD
ONT-RAP
What is the cheapest month to book a flight from Ontario to South Dakota?
Currently, August is the cheapest month in which you can book a flight from Ontario to South Dakota (average of $380). Flying from Ontario to South Dakota in November is currently the most expensive (average of $544). 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.
How much does it cost to fly round-trip from Ontario to South Dakota?
Airfare is below average for this route at the moment.
Ontario to South Dakota flights typically cost between $382 and $706 in November.The cheapest round-trip price found within the last 5 days was $359 on American Airlines (Nov 25-Dec 2).
Reviews of airlines servicing South Dakota
Get insights into the airlines that provide service to South Dakota. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South Dakota. Reviews last updated October 30, 2026.
See what other customers who have flown with United Airlines,American Airlines, andFrontier from Ontario to South Dakota have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Food
6.7
Overall
7.3
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Food
6.7
Overall
7.3
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Food
6.7
Overall
7.3
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Food
6.7
Overall
7.3
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Related info for your journey
Find useful and relevant information for your journey from Ontario to South Dakota. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Ontario and South Dakota flights
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Top 3 airlines flying from Ontario to South Dakota
Discover the top 3 airlines that operate flights from Ontario to South Dakota. 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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$250 | Average$295 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$303 | Average$413 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$318 | Average$488 | FlexibilityNo cancel fee | On-time69% |