$130+ Cheap flights from Sioux Falls to Ontario (FSD - ONT)
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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — ONT
Aug 8 — Aug 151
Round-trip
1 adult, Economy
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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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Cheapest flights from Sioux Falls to OntarioExplore the most affordable flight options available from Sioux Falls to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2026.
Explore the most affordable flight options available from Sioux Falls to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2026.
This Frontier deal was found by Cheapflights users on 7/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:08 pm
FSD
- ONT
1 stop5h 42m
Frontier
Wed 8/56:00 am
ONT
- FSD
1 stop11h 23m
Frontier
Deal found 7/8![Frontier logo]()
$255
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:08 pm
FSD
- ONT
1 stop5h 42m
Frontier
Mon 8/1710:49 am
ONT
- FSD
1 stop6h 34m
Frontier
Deal found 7/7![Frontier logo]()
$260
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:08 pm
FSD
- ONT
1 stop15h 56m
Frontier
Wed 7/296:00 am
ONT
- FSD
1 stop11h 23m
Frontier
Deal found 7/7![Frontier logo]()
$270
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:08 pm
FSD
- ONT
1 stop5h 42m
Frontier
Mon 7/136:00 am
ONT
- FSD
1 stop11h 23m
Frontier
Deal found 7/5![Frontier logo]()
$293
This CheapOair deal was found by Cheapflights users on 7/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:08 pm
FSD
- ONT
1 stop15h 56m
Frontier
Wed 7/226:00 am
ONT
- FSD
1 stop11h 23m
Frontier
Deal found 7/8![Frontier logo]()
$303
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:08 pm
FSD
- ONT
1 stop15h 56m
Frontier
Fri 7/106:00 am
ONT
- FSD
1 stop11h 23m
Frontier
Deal found 7/4![Frontier logo]()
$309
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.
Wed 9/235:59 pm
FSD
- ONT
1 stop6h 38m
American Airlines
Sat 9/2610:25 am
ONT
- FSD
1 stop8h 20m
American Airlines
Deal found 7/5![American Airlines logo]()
$311
This Expedia deal was found by Cheapflights users on 7/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:08 pm
FSD
- ONT
1 stop15h 56m
Frontier
Fri 7/246:00 am
ONT
- FSD
1 stop11h 23m
Frontier
Deal found 7/8![Frontier logo]()
$320
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:08 pm
FSD
- ONT
1 stop5h 42m
Frontier
Fri 7/2410:49 am
ONT
- FSD
1 stop6h 34m
Frontier
Deal found 7/5![Frontier logo]()
$324
This Delta deal was found by Cheapflights users on 7/8. 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 7/314:26 pm
FSD
- ONT
2 stops9h 22m
Delta
Tue 8/41:06 pm
ONT
- FSD
2 stops7h 45m
Delta
Deal found 7/8![Delta logo]()
$364
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 7/312:15 pm
FSD
- ONT
1 stop6h 03m
American Airlines
Tue 8/46:11 am
ONT
- FSD
1 stop5h 32m
American Airlines
Deal found 7/7![American Airlines logo]()
$372
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 9/238:23 am
FSD
- ONT
2 stops10h 12m
Delta
Sat 9/266:00 pm
ONT
- FSD
2 stops14h 19m
Delta
Deal found 7/5![Delta logo]()
$385
Best flights from Sioux Falls to OntarioDiscover carefully curated flight deals from Sioux Falls to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 9, 2026.
Discover carefully curated flight deals from Sioux Falls to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 9, 2026.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:08 pm
FSD
- ONT
1 stop5h 42m
Frontier
Mon 8/1710:49 am
ONT
- FSD
1 stop6h 34m
Frontier
Deal found 7/5![Frontier logo]()
$260
This United Airlines deal was found by Cheapflights users on 7/8. 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 8/2511:25 am
FSD
- ONT
2 stops10h 36m
United Airlines
Sat 8/298:00 am
ONT
- FSD
2 stops10h 07m
United Airlines
Deal found 7/8![United Airlines logo]()
$411
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:34 pm
FSD
- ONT
1 stop6h 58m
American Airlines
Tue 8/46:11 am
ONT
- FSD
1 stop5h 32m
American Airlines
Deal found 7/4![American Airlines logo]()
$442
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 7/314:26 pm
FSD
- ONT
2 stops9h 22m
Delta
Tue 8/41:06 pm
ONT
- FSD
2 stops7h 45m
Delta
Deal found 7/6![Delta logo]()
$520
This CheapOair deal was found by Cheapflights users on 7/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:31 pm
FSD
- ONT
1 stop20h 26m
Frontier
Mon 10/56:00 am
ONT
- FSD
1 stop10h 36m
Frontier
Deal found 7/8![Frontier logo]()
$270
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 11/209:35 am
FSD
- ONT
1 stop5h 07m
United Airlines
Fri 11/275:00 am
ONT
- FSD
1 stop5h 20m
United Airlines
Deal found 7/7![United Airlines logo]()
$455
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.
Fri 8/219:35 am
FSD
- ONT
2 stops12h 26m
United Airlines
Mon 8/241:56 pm
ONT
- FSD
2 stops7h 48m
United Airlines
Deal found 7/5![United Airlines logo]()
$465
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.
Fri 9/45:05 pm
FSD
- ONT
1 stop5h 48m
United Airlines
Sun 9/67:00 am
ONT
- FSD
1 stop8h 58m
United Airlines
Deal found 7/5![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 7/8. 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 8/19:30 am
FSD
- ONT
1 stop5h 17m
United Airlines
Tue 8/45:00 am
ONT
- FSD
1 stop5h 15m
United Airlines
Deal found 7/8![United Airlines logo]()
$519
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.
Thu 9/36:00 am
FSD
- ONT
2 stops8h 12m
United Airlines
Mon 9/75:00 am
ONT
- FSD
1 stop5h 39m
United Airlines
Deal found 7/7![United Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 7/8. 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 7/309:30 am
FSD
- ONT
1 stop5h 17m
United Airlines
Tue 8/41:50 pm
ONT
- FSD
2 stops8h 03m
United Airlines
Deal found 7/8![United Airlines logo]()
$529
Last-minute flights from Sioux Falls to OntarioDiscover last-minute flight deals from Sioux Falls to Ontario. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from Sioux Falls to Ontario. Data last updated July 9, 2026 and is based on user searches.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:08 pm
FSD
- ONT
1 stop5h 42m
Frontier
Mon 7/136:00 am
ONT
- FSD
1 stop11h 23m
Frontier
Deal found 7/5![Frontier logo]()
$293
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:08 pm
FSD
- ONT
1 stop15h 56m
Frontier
Fri 7/106:00 am
ONT
- FSD
1 stop11h 23m
Frontier
Deal found 7/4![Frontier logo]()
$309
This CheapOair deal was found by Cheapflights users on 7/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:08 pm
FSD
- ONT
1 stop15h 56m
Frontier
Wed 7/226:00 am
ONT
- FSD
1 stop11h 23m
Frontier
Deal found 7/8![Frontier logo]()
$303
This Expedia deal was found by Cheapflights users on 7/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:08 pm
FSD
- ONT
1 stop15h 56m
Frontier
Fri 7/246:00 am
ONT
- FSD
1 stop11h 23m
Frontier
Deal found 7/8![Frontier logo]()
$320
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:08 pm
FSD
- ONT
1 stop5h 42m
Frontier
Fri 7/2410:49 am
ONT
- FSD
1 stop6h 34m
Frontier
Deal found 7/5![Frontier logo]()
$324
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:08 pm
FSD
- ONT
1 stop15h 56m
Frontier
Wed 7/296:00 am
ONT
- FSD
1 stop11h 23m
Frontier
Deal found 7/7![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 7/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:08 pm
FSD
- ONT
1 stop5h 42m
Frontier
Wed 8/56:00 am
ONT
- FSD
1 stop11h 23m
Frontier
Deal found 7/8![Frontier logo]()
$255
This Delta deal was found by Cheapflights users on 7/8. 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 7/314:26 pm
FSD
- ONT
2 stops9h 22m
Delta
Tue 8/41:06 pm
ONT
- FSD
2 stops7h 45m
Delta
Deal found 7/8![Delta logo]()
$364
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 7/312:15 pm
FSD
- ONT
1 stop6h 03m
American Airlines
Tue 8/46:11 am
ONT
- FSD
1 stop5h 32m
American Airlines
Deal found 7/7![American Airlines logo]()
$372
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:08 pm
FSD
- ONT
1 stop5h 42m
Frontier
Mon 8/1710:49 am
ONT
- FSD
1 stop6h 34m
Frontier
Deal found 7/7![Frontier logo]()
$260
One-way flights from Sioux Falls to OntarioSearch for one-way flight options from Sioux Falls to Ontario. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
Search for one-way flight options from Sioux Falls to Ontario. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:56 pm
FSD
- ONT
1 stop4h 54m
Frontier
Deal found 7/5![Frontier logo]()
$130
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:08 pm
FSD
- ONT
1 stop15h 56m
Frontier
Deal found 7/7![Frontier logo]()
$136
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:08 pm
FSD
- ONT
1 stop5h 42m
Frontier
Deal found 7/7![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/248:56 pm
FSD
- ONT
2 stops20h 58m
Frontier
Deal found 7/9![Frontier logo]()
$163
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.
Sun 9/1310:02 pm
FSD
- ONT
1 stop14h 19m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/2410:28 am
FSD
- ONT
3 stops29h 35m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$219
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 8/139:47 pm
FSD
- ONT
3 stops43h 27m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$310
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.
Thu 8/132:12 pm
FSD
- ONT
1 stop6h 03m
American Airlines
Deal found 7/5![American Airlines logo]()
$324
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.
Thu 8/131:33 pm
FSD
- ONT
2 stops11h 26m
United Airlines
Deal found 7/5![United Airlines logo]()
$329
Find flight deals from Sioux Falls to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $255 (Frontier) |
One-way from | $130 (Frontier) |
Popular in | October |
Cheapest in | August |
Average price | $424 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sioux Falls to Ontario 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 9, 2026.
Use the filters below to find and compare flights from Sioux Falls to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Sioux FallsOntario
FSD - ONT
FSDONT
Sioux Falls Joe Foss Field
Fri 8/14
8:08 pm-11:50 pm
1 stop5h 42m
Ontario
Mon 8/17
10:49 am-7:23 pm
1 stop6h 34m
$260
Sioux FallsOntario
FSD - ONT
FSDONT
Sioux Falls Joe Foss Field
Fri 10/2
7:31 pm-1:57 pm
1 stop20h 26m
Ontario
Mon 10/5
6:00 am-6:36 pm
1 stop10h 36m
$270
Sioux FallsOntario
FSD - ONT
FSDONT
Sioux Falls Joe Foss Field
Tue 8/25
11:25 am-8:01 pm
2 stops10h 36m
Ontario
Sat 8/29
8:00 am-8:07 pm
2 stops10h 07m
$411
Sioux FallsOntario
FSD - ONT
FSDONT
Sioux Falls Joe Foss Field
Fri 7/31
5:34 pm-10:32 pm
1 stop6h 58m
Ontario
Tue 8/4
6:11 am-1:43 pm
1 stop5h 32m
$442
Quickest round-trip
Sioux FallsOntario
FSD - ONT
FSDONT
Sioux Falls Joe Foss Field
Fri 11/20
9:35 am-12:42 pm
1 stop5h 07m
Ontario
Fri 11/27
5:00 am-12:20 pm
1 stop5h 20m
$455
Sioux FallsOntario
FSD - ONT
FSDONT
Sioux Falls Joe Foss Field
Fri 8/21
9:35 am-8:01 pm
2 stops12h 26m
Ontario
Mon 8/24
1:56 pm-11:44 pm
2 stops7h 48m
$465
Sioux FallsOntario
FSD - ONT
FSDONT
Sioux Falls Joe Foss Field
Fri 9/4
5:05 pm-8:53 pm
1 stop5h 48m
Ontario
Sun 9/6
7:00 am-5:58 pm
1 stop8h 58m
$518
Sioux FallsOntario
FSD - ONT
FSDONT
Sioux Falls Joe Foss Field
Sat 8/1
9:30 am-12:47 pm
1 stop5h 17m
Ontario
Tue 8/4
5:00 am-12:15 pm
1 stop5h 15m
$519
Sioux FallsOntario
FSD - ONT
FSDONT
Sioux Falls Joe Foss Field
Fri 7/31
4:26 pm-11:48 pm
2 stops9h 22m
Ontario
Tue 8/4
1:06 pm-10:51 pm
2 stops7h 45m
$520
Sioux FallsOntario
FSD - ONT
FSDONT
Sioux Falls Joe Foss Field
Thu 9/3
6:00 am-12:12 pm
2 stops8h 12m
Ontario
Mon 9/7
5:00 am-12:39 pm
1 stop5h 39m
$523
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Sioux Falls to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to Ontario in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sioux Falls-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sioux Falls-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Sioux Falls to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Sioux Falls with our price prediction graph.
FSD-ONT
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 Sioux Falls to Ontario
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What’s the top layover airport for flights from Sioux Falls to Ontario?
Share of 1-stop round-trip flights from Sioux Falls to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Phoenix (PHX) – chosen by Cheapflights users on 50% of 1-stop itineraries from Sioux Falls to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from Sioux Falls to Ontario?
Average round-trip fare for 1-stop flights from Sioux Falls to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $568.
What’s the fastest layover option from Sioux Falls to Ontario?
Shortest average travel time for 1-stop one-way flights from Sioux Falls to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 5h 10m.
Which airport typically offers the quickest layover for flights from Sioux Falls to Ontario?
Average layover duration for 1-stop one-way flights from Sioux Falls to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 0h 57m.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated July 9, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Sioux Falls to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentJonathan,Jun 2024
FSD - ORD
Crew
8.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentJonathan,Jun 2024
FSD - ORD
Crew
8.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentJonathan,Jun 2024
FSD - ORD
Related info for your journey
Find useful and relevant information for your journey from Sioux Falls to Ontario. 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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Other flights to Ontario
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Sioux Falls and Ontario flights
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Top 2 airlines flying from Sioux Falls to Ontario
Discover the top 2 airlines that operate flights from Sioux Falls to Ontario. 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$268 | Average$465 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$370 | Average$537 | FlexibilityNo cancel fee | On-time71% |