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$121+ Cheap flights from Des Moines to Ontario (DSM - 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — ONT
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Des Moines to Ontario

Cheapest flights from Des Moines to Ontario
Explore the most affordable flight options available from Des Moines to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 8/172:19 pm
DSM
-
ONT
1 stop11h 31m
Frontier
Mon 8/246:00 am
ONT
-
DSM
1 stop5h 34m
Frontier
Deal found 7/27$204
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:19 pm
DSM
-
ONT
1 stop11h 31m
Frontier
Mon 8/316:00 am
ONT
-
DSM
1 stop5h 34m
Frontier
Deal found 7/25$206
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/118:30 pm
DSM
-
ONT
1 stop16h 00m
Frontier
Mon 9/1411:45 am
ONT
-
DSM
1 stop5h 48m
Frontier
Deal found 7/26$209
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 10/22:51 pm
DSM
-
ONT
1 stop21h 39m
Frontier
Mon 10/56:00 am
ONT
-
DSM
1 stop11h 33m
Frontier
Deal found 7/24$225
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/177:05 pm
DSM
-
ONT
2 stops40h 59m
Multiple Airlines
Mon 8/246:00 am
ONT
-
DSM
1 stop5h 34m
Multiple Airlines
Deal found 7/26$235
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/1410:06 pm
DSM
-
ONT
1 stop19h 08m
Multiple Airlines
Mon 8/246:00 am
ONT
-
DSM
1 stop5h 34m
Multiple Airlines
Deal found 7/26$240
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/72:19 pm
DSM
-
ONT
1 stop21h 45m
Frontier
Mon 9/1411:45 am
ONT
-
DSM
1 stop5h 48m
Frontier
Deal found 7/25$244

Find flight deals from Des Moines to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Des Moines (DSM) 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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$204
(Kiwi.com)

One-way from

$121
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$446
Provider with most accurate pricing for Des Moines-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Des Moines-Ontario flights.
Search Deals
From Des Moines to Ontario
Search Deals
One-way flight from Des Moines to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Des Moines 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 27, 2026.
Use the filters below to find and compare flights from Des Moines to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Tue 11/3

12:25 pm-10:02 pm

2 stops11h 37m

Ontario

Sat 11/7

12:18 pm-10:34 pm

1 stop8h 16m

$392

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Wed 11/11

5:30 am-11:10 am

1 stop7h 40m

Ontario

Sun 11/15

5:53 pm-10:19 am

2 stops14h 26m

$427

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Mon 11/2

5:12 pm-8:51 pm

1 stop5h 39m

Ontario

Wed 11/4

5:00 am-12:31 pm

1 stop5h 31m

$477

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Mon 8/17

2:25 pm-8:40 pm

2 stops8h 15m

Ontario

Wed 8/19

10:55 am-9:00 pm

2 stops8h 05m

$483
Quickest round-trip

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Fri 12/25

5:16 pm-9:09 pm

1 stop5h 53m

Ontario

Thu 12/31

1:42 pm-8:38 pm

1 stop4h 56m

$487

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Fri 8/21

5:45 am-12:12 pm

2 stops8h 27m

Ontario

Mon 8/24

5:00 am-12:32 pm

1 stop5h 32m

$509

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Thu 11/5

11:23 am-8:51 pm

2 stops11h 28m

Ontario

Sun 11/8

7:00 am-5:23 pm

1 stop8h 23m

$517

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Thu 12/24

5:16 pm-9:09 pm

1 stop5h 53m

Ontario

Mon 12/28

1:42 pm-11:47 pm

1 stop8h 05m

$530

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Fri 10/2

11:27 am-10:51 pm

2 stops13h 24m

Ontario

Sun 10/4

5:00 am-12:31 pm

1 stop5h 31m

$552
Cheapest one-way

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Mon 9/7

2:19 pm-10:04 am

1 stop21h 45m

$155

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Des Moines 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 Des Moines to Ontario in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Des Moines-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Des Moines-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Des Moines-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Des Moines-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 Des Moines-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 Des Moines to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Des Moines 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 Des Moines to Ontario

What is the cheapest month to book a flight from Des Moines to Ontario?

Currently, September is the cheapest month in which you can book a flight from Des Moines to Ontario (average of $346). Flying from Des Moines to Ontario in November is currently the most expensive (average of $626). 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.

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 27, 2026.
Read through reviews of airlines operating flights from Des Moines to Ontario, such as Southwest and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,229 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Southwest
8.0
Very good
4,229 reviews
Southwest
8.0
Very good
4,229 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
American Airlines
7.1
Good
11,837 reviews
Southwest
8.0
Very good
4,229 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Related info for your journey

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

  • How long is the flight from Des Moines to Ontario?

    For as low as $477, Delta can have you in Ontario from Des Moines in 5h 39m. Des Moines and Ontario are separated by a distance of 1399 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Des Moines to Ontario round-trip?

    Cheapflights users have booked flights from Des Moines to Ontario round-trip from $296. Another airline that can offer you cheap pricing is Southwest. You may be able to fly from Des Moines to Ontario for 35% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Des Moines to Ontario one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $119. United Airlines flights start at $136 while deals on Southwest start at $143 one-way.

  • Can I find deals for flights from Des Moines to Ontario that include hotel bookings?

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

  • How can I find direct flights from Des Moines to Ontario?

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

  • Can I find deals for business class flights from Des Moines to Ontario?

    Yes. Cheapflights offers flight deals from Des Moines 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 Des Moines to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Des Moines to Ontario (average of $346). Flying from Des Moines to Ontario in November is currently the most expensive (average of $626). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Des Moines to Ontario

Discover the top 2 airlines that operate flights from Des Moines 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$296Average$421FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$340Average$490FlexibilityNo cancel feeOn-time63%

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