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$219+ Cheap flights from South Dakota to Ontario (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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — ONT
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from South Dakota to Ontario

Keep the following information in mind while searching for South Dakota to Ontario flight deals. Data was last updated May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$274
(American Airlines)

One-way from

$219
(United Airlines)

Popular in

February

Cheapest in

August

Average price

$405
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Los Angeles flights.
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From South Dakota to Ontario
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One-way flight from South Dakota to Ontario
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Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from South Dakota to Ontario

Cheapest flights from South Dakota to Ontario
Explore the most affordable flight options available from South Dakota to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 7/35:16 pmFSD - ONT
1 stop6h 58mAmerican Airlines
Sat 7/1212:55 pmONT - FSD
2 stops7h 54mAmerican Airlines
Deal found 4/30$274
This Delta deal was found by Cheapflights users on 4/30. 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 7/83:16 pmFSD - ONT
2 stops10h 26mDelta
Wed 7/166:00 amONT - FSD
2 stops9h 36mDelta
Deal found 4/30$279
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 5/153:43 pmRAP - ONT
1 stop6h 10mUnited Airlines
Mon 5/194:15 pmONT - RAP
1 stop5h 01mUnited Airlines
Deal found 4/29$289
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/52:08 pmFSD - ONT
1 stop11h 51mFrontier
Thu 5/812:59 amONT - FSD
1 stop10h 19mFrontier
Deal found 5/1$310
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 7/299:15 amFSD - ONT
1 stop5h 17mUnited Airlines
Wed 7/305:05 amONT - FSD
1 stop6h 15mUnited Airlines
Deal found 4/30$351
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 6/282:41 pmABR - ONT
2 stops10h 04mDelta
Thu 7/36:25 amONT - ABR
2 stops13h 04mDelta
Deal found 4/30$797
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/17:21 amFSD - ONT
2 stops18h 52mAlaska Airlines
Fri 8/86:58 pmONT - FSD
2 stops20h 37mAlaska Airlines
Deal found 4/30$988

Cheapflights Fare Finder

Customize your flight search to find flights from South Dakota 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 May 1, 2025.
Use the filters below to find and compare flights from South Dakota to Ontario that are best for you.

Fly from

South Dakota

Fly to

Ontario

Route

Depart

Return

Price

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Thu 7/3

5:16 pm-10:14 pm

1 stop6h 58m

Ontario

Sat 7/12

12:55 pm-10:49 pm

2 stops7h 54m

$274

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Tue 7/8

3:16 pm-11:42 pm

2 stops10h 26m

Ontario

Wed 7/16

6:00 am-5:36 pm

2 stops9h 36m

$279

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Thu 5/15

3:43 pm-8:53 pm

1 stop6h 10m

Ontario

Mon 5/19

4:15 pm-10:16 pm

1 stop5h 01m

$289

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Tue 7/29

9:15 am-12:32 pm

1 stop5h 17m

Ontario

Wed 7/30

5:05 am-1:20 pm

1 stop6h 15m

$351

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Fri 5/23

3:58 pm-11:51 pm

1 stop9h 53m

Ontario

Sun 5/25

12:59 am-2:58 pm

1 stop11h 59m

$370

AberdeenOntario

ABR - ONT

ABRONT

Aberdeen

Sat 6/28

2:41 pm-10:45 pm

2 stops10h 04m

Ontario

Thu 7/3

6:25 am-9:29 pm

2 stops13h 04m

$797

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Fri 8/1

7:21 am-12:13 am

2 stops18h 52m

Ontario

Fri 8/8

6:58 pm-5:35 pm

2 stops20h 37m

$988

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Tue 6/17

7:00 am-12:31 pm

1 stop6h 31m

$219

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Sat 5/10

6:33 am-6:20 pm

2 stops12h 47m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Best time to book a flight from South Dakota to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from South Dakota with our price prediction graph.
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 South Dakota to Ontario

What is the cheapest month to book a flight from South Dakota to Ontario?

Currently, August is the cheapest month in which you can book a flight from South Dakota to Ontario (average of $246). Flying from South Dakota to Ontario in March is currently the most expensive (average of $328). 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.

What is the cheapest time of day to fly from SD to ONT?

Find hourly flight availability from South Dakota to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Dakota to Ontario as you normally would.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 May 1, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from South Dakota to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
6.0
Okay
3,287 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from South Dakota to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from South Dakota?

    For a flight from South Dakota to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • What are the most popular routes from South Dakota to Ontario?

    When deciding which route to take from South Dakota to Ontario consider Sioux Falls Joe Foss Field - Ontario, Rapid City - Ontario or Aberdeen - Ontario as they are the most popular.

  • Can I find deals for flights from South Dakota to Ontario that include hotel bookings?

    Yes. In addition to deals on South Dakota to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Dakota to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Ontario.

  • Can I find deals for business class flights from South Dakota to Ontario?

    Yes. Cheapflights offers flight deals from South Dakota to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from South Dakota to Ontario?

    Currently, August is the cheapest month in which you can book a flight from South Dakota to Ontario (average of $246). Flying from South Dakota to Ontario in March is currently the most expensive (average of $328). 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.

See more FAQs

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Top 3 airlines flying from South Dakota to Ontario

Discover the top 3 airlines that operate flights from South Dakota 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$113Average$259FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$283Average$471FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$383FlexibilityNo cancel feeOn-time71%

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