$98 Find Cheap Flights from Ontario to South Dakota

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to South Dakota departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to South Dakota

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to South Dakota, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to South Dakota, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Ontario to South Dakota

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Rapid City
Rapid City1 stop$363
Sioux Falls
Sioux Falls1 stop$146
Rapid City
Rapid City1 stop$363
Sioux Falls
Sioux Falls1 stop$146

Book Cheap Ontario to South Dakota Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to South Dakota that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to South Dakota

Fri, Feb 20 - Sun, Feb 22
Frontier Logo
6:00 am - 7:22 pmONT-FSD
11h 22m1 stop
Frontier Logo
8:25 pm - 11:59 pmFSD-ONT
5h 34m1 stop
$146Frontier
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Fri, Feb 20 - Sun, Feb 22
Frontier Logo
6:00 am - 7:22 pmONT-FSD
11h 22m1 stop
Frontier Logo
8:25 pm - 5:02 pmFSD-ONT
22h 37m2 stops
$205Frontier
Find Deal
Thu, Dec 18 - Sat, Dec 20
Multiple Airlines Logo
6:17 pm - 7:55 pmONT-FSD
23h 38m2 stops
Multiple Airlines Logo
1:10 pm - 11:13 pmFSD-ONT
12h 03m1 stop
$308Multiple Airlines
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Sat, Dec 13 - Sat, Jan 3
Multiple Airlines Logo
3:20 pm - 1:31 pmONT-FSD
20h 11m1 stop
Multiple Airlines Logo
8:14 pm - 5:42 pmFSD-ONT
23h 28m2 stops
$309Multiple Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
1:45 pm - 8:38 pmONT-FSD
4h 53m1 stop
United Airlines Logo
9:00 am - 12:43 pmFSD-ONT
5h 43m1 stop
$349United Airlines
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Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
1:45 pm - 8:38 pmONT-FSD
4h 53m1 stop
United Airlines Logo
9:00 am - 6:00 pmFSD-ONT
11h 00m2 stops
$354United Airlines
Find Deal
Thu, Dec 18 - Sat, Dec 20
Multiple Airlines Logo
6:17 pm - 11:31 amONT-FSD
15h 14m1 stop
Multiple Airlines Logo
1:10 pm - 11:13 pmFSD-ONT
12h 03m1 stop
$358Multiple Airlines
Find Deal
Fri, Nov 28 - Tue, Dec 2
United Airlines Logo
5:05 am - 12:40 pmONT-RAP
6h 35m1 stop
United Airlines Logo
4:35 pm - 8:42 pmRAP-ONT
5h 07m1 stop
$363United Airlines
Find Deal
Sat, Mar 7 - Wed, Mar 11
American Airlines Logo
6:10 am - 1:51 pmONT-RAP
6h 41m1 stop
American Airlines Logo
12:35 pm - 9:40 pmRAP-ONT
10h 05m2 stops
$532American Airlines
Find Deal
Fri, Nov 28 - Tue, Dec 2
American Airlines Logo
9:59 am - 9:17 pmONT-RAP
10h 18m2 stops
American Airlines Logo
5:18 am - 4:01 pmRAP-ONT
11h 43m2 stops
$561American Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Ontario to South Dakota flights

Get data-powered insights and trends into flights from Ontario to South Dakota to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Ontario to South Dakota?

The average price of all round-trip flights from Ontario to South Dakota clicked on KAYAK for each day over the last 12 months.

When flying from Ontario to South Dakota, you should consider leaving on a Saturday and avoid Wednesdays if you are looking for the best rates. For your return to Ontario, you’ll find the best rates on Fridays and the most expensive ones on Thursdays.

Good to know

Low seasonMarch
Cheapest flight$98
Best time to beat the crowds but there is an average 46% increase in price.
Most popular time to fly with an average 11% increase in price.
Flight from Ontario to Rapid City

FAQs - booking South Dakota flights

  • How does KAYAK find such low prices on flights from Ontario to South Dakota?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to South Dakota.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to South Dakota?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ontario to South Dakota is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to South Dakota?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Ontario to South Dakota with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to South Dakota?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ontario to South Dakota up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to South Dakota?

    The cheapest time of day to fly to South Dakota is generally in the morning, when round-trip flights cost $464 on average. The most expensive time of day to fly to South Dakota is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $482.

Reviews of the top 3 airlines serving from Ontario to South Dakota

 
See real verified KAYAK customer reviews for airlines flying from Ontario to South Dakota. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Ontario to South Dakota? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9015 reviews
7.3Comfort
7.1Entertainment
7.7Boarding
6.6Food
8.1Crew
Airline reviews

Older aircraft, no meal, only food was for purchase. Not impressed United.

4.0 OkayThomas, Nov 2025SFO - KOA
Read more United Airlines reviews

Older aircraft, no meal, only food was for purchase. Not impressed United.

Not pleasant trip cross country when the entertainment and WiFi system not working. No entertainment for entirety of route. Staff was rather nonchalant in that they dismissed the problem due to age of plane. It would have been nice to know this up front so I could have come prepared to read or download movies before boarding Coincidentally or not, there was a similar issue with the entertainment system on my previous flight I took on my fist leg of the trip. There are no seat TVs, so you must rely on the app when it works. United can do better. Also, what use it it to pay for boarding group 2 when half of the passengers are in the same line as you?

Premium Plus is a really good idea for longer flights

The flight attendants were great, I joked with one I can’t remember her name, a blond, really sweet. I thought it was run well very professional. This was great i survived Spirit, I know for which I speak.

I was in first class. The outlets at my seat did not work. The plane was shabby and run down. I had prepurchsed a day subscription for internet that was not redeemable. I had to repurchase the internet for my flight and then it didn’t work anyway. Quite disappointed in what was supposed to be the launch of a great vacation.

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

Stuck on tarmac for two hours plus a 5.5 hour flight. Rude flight attendant. And no meals, not even for purchase!

I learned that seating towards the end of plane that a line forms for the restroom and people use your chair as a hand railing, bumping your seat consistently. I was seated in the aisle. I think that next time if I am towards the back row I would want to sit in the middle or window seat.

United sent me a mileage plus number last year but that number is invalid so I can’t use it to check into flights or collect mileage. There is human to speak about the problem, only computers who keep asking me if I am using the correct email. It’s so frustrating and I cannot resolve it.

Not a great experience. We paid for the upgrade for premium economy seats and seated ourselves in very comfortable seats. Someone came along with the same seat on their boarding pass. The aircraft had been changed and as a result we were booted out and sent further back to small uncomfortable seats. After complaining we were moved to emergency row seats, which gave us more leg room but the seats don’t recline. For people in our 70’s we found having to sit upright from California to NJ very uncomfortable. Not sure why they chose to move senior citizens instead of the two people that were allowed to take the more comfortable seats. Not happy.

I have a gluten allergy so did have any food

The flight was smooth, the pilot kept us informed about delays and we arrived more of less on time

The flight was flawless and we even arrived between 20 and 25 minutes early!

Always seated jammed in rear of aircraft Admirals Club food at DFW terminal D was absolute worst food experience and I pay $600/year to eat this dried out junk

Mostly good. Flight was crowded but Airline personnel were very friendly & accommodating. It would be good to have savory snacks rather than just sweet Biscoff cookies.

It was a red eye flight, so no meals were provided, but it was fine with snacks. The seats felt cramped and almost too narrow.

Very crowded flight but what can you expect these days?? Crew was accommodating.

The seats in economy were appeared to be quite thin and lack sufficient cushioning to be comfortable. Perhaps it was my seating position but the plane seemed notably load.

The entertainment package was vast and the selections were very current. Keep updating it was great.

The seat was so hard my tailbone was aching The crew was kind of a b**** because I made a joke that I didn't care if they close the door I total c*** when she was trying to f****** act like she was mad at me because I said that The flight was bumpy. Sure you didnt have control over that.

When I wanted to check in 3 hours prior to boarding time, the employees mentioned “a little over an hour delay” so I waited for an hour then I went to go look for food in the terminal and most people from that flight were in the same area looking for food. Finally I decided after food to check to see if it’s anytime closer and now it’s 2 mins until boarding closes?! What are you kidding me? I didn’t receive anything via sms about boarding now nor via email or on the intercom. I luckily made it through, barely, and then there’s no room for my carry on mind you I’m in the very first row so I had to place my purse in one further row back and my carry on sections down. Not sure who pays for better seats to get your stuff placed all over the plane but that was the worst experience I’ve ever had flying with anyone.

Better than expected. Staff were friendly and nice on both flights.

This airline sucks. They offer low rates then charge you for everything, the app does not work well, the seats are the most uncomfortable. Maintenance issues on the flight, and you still have to sit through their credit card commercials. People are nice enough but does not make up for overall poor experience.

What I expected, nickeled and dined and a frontier flight attendant loudly complained about her job and lack of communication as she headed to the gate on her cell phone. Not professional.

Cancelled flight after I arrived at airport after 75 min drive and parking. Next flight was 4 days in the future. Had to scramble and buy a much more expensive flight on another carrier.

I liked the turn-style feature at gate 209B at LAX. Very efficient process. The gate staff also made several, clearly directed announcements so I felt very informed.

The seats were awful, hard plastic covered in sheet vinyl. The airline tries to scam you into paying extra to get seat together when the flight wasn’t full. They were going to separate a family with young children but my wife who had a row to herself gave up her seat so the young mom could be with her young boys. I’m never giving this airline my money again.

It was a short flight so no food or entertainment….

Frontier had yet another flight cancellation. Have never made a complete round trip with this airline without at least one leg getting cancelled. Miserable flights - dirty, uncomfortable planes that apparently always have issues since I've had multiple delays and cancellations with them.

Flight was delayed 3 times, would have been nice to have received text message instead of email notifications. Frontier app wasn’t even updated accordingly, no gate number disclosed. No agent at front desk of gate to inform of delay. Very confused and left if the dark

Everything you need to know for your flight from Ontario to South Dakota

Information on your arrival and departure airports