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$129+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — ONT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$164
(Booking.com)

One-way from

$129
(Delta)

Popular in

February

Cheapest in

October

Average price

$512
From Des Moines to Ontario
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One-way flight from Des Moines to Ontario
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Highest demand for flights based on searches. 16% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Booking.com deal was found by Cheapflights users on 9/10. 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 11/72:32 pmDSM - ONT
1 stop22h 38mFrontier
Mon 11/106:53 amONT - DSM
1 stop4h 54mFrontier
Deal found 9/10$164
This Frontier deal was found by Cheapflights users on 9/10. 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 10/82:37 pmDSM - ONT
1 stop11h 13mFrontier
Wed 10/156:53 amONT - DSM
1 stop4h 59mFrontier
Deal found 9/10$175
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Wed 10/222:37 pmDSM - ONT
1 stop11h 13mFrontier
Wed 10/296:53 amONT - DSM
1 stop28h 54mFrontier
Deal found 9/11$180
This Frontier deal was found by Cheapflights users on 9/10. 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.
Thu 11/132:32 pmDSM - ONT
1 stop11h 18mFrontier
Sun 11/166:53 amONT - DSM
1 stop4h 54mFrontier
Deal found 9/10$184
This Frontier deal was found by Cheapflights users on 9/10. 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.
Sun 11/92:32 pmDSM - ONT
1 stop11h 18mFrontier
Thu 11/136:53 amONT - DSM
1 stop4h 54mFrontier
Deal found 9/10$216
This Frontier deal was found by Cheapflights users on 9/10. 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 11/102:32 pmDSM - ONT
1 stop11h 18mFrontier
Thu 11/1310:40 pmONT - DSM
2 stops13h 09mFrontier
Deal found 9/10$220
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/232:37 pmDSM - ONT
1 stop11h 13mFrontier
Wed 10/296:53 amONT - DSM
1 stop28h 54mFrontier
Deal found 9/11$225
This Frontier deal was found by Cheapflights users on 9/8. 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.
Fri 11/72:32 pmDSM - ONT
1 stop11h 18mFrontier
Sun 11/910:50 pmONT - DSM
2 stops12h 57mFrontier
Deal found 9/8$229
This Frontier deal was found by Cheapflights users on 9/10. 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.
Thu 10/22:25 pmDSM - ONT
1 stop7h 29mFrontier
Sun 10/57:15 pmONT - DSM
2 stops16h 25mFrontier
Deal found 9/10$235

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 September 11, 2025.
Use the filters below to find and compare flights from Des Moines to Ontario that are best for you.

Fly from

Des Moines

Fly to

Ontario

Route

Depart

Return

Price

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Fri 11/7

2:32 pm-11:10 am

1 stop22h 38m

Ontario

Sun 11/9

6:53 am-1:47 pm

1 stop4h 54m

$164

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Thu 11/13

2:32 pm-11:50 pm

1 stop11h 18m

Ontario

Sun 11/16

6:53 am-1:47 pm

1 stop4h 54m

$184

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Mon 11/10

2:32 pm-11:50 pm

1 stop11h 18m

Ontario

Thu 11/13

6:53 am-1:47 pm

1 stop4h 54m

$184

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Fri 11/7

2:32 pm-6:52 am

2 stops42h 20m

Ontario

Mon 11/10

6:53 am-1:47 pm

1 stop4h 54m

$214

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Sun 11/9

2:32 pm-11:50 pm

1 stop11h 18m

Ontario

Thu 11/13

6:53 am-1:47 pm

1 stop4h 54m

$216

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Fri 11/14

2:34 pm-11:50 pm

1 stop11h 16m

Ontario

Sun 11/16

6:53 am-1:47 pm

1 stop4h 54m

$216

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Wed 10/22

2:13 pm-10:22 pm

1 stop10h 09m

Ontario

Tue 10/28

11:36 am-10:30 pm

1 stop8h 54m

$257

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Fri 10/24

2:37 pm-11:50 pm

1 stop11h 13m

Ontario

Wed 10/29

6:53 am-1:47 pm

1 stop28h 54m

$257

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Wed 11/12

2:17 pm-11:04 pm

1 stop10h 47m

Ontario

Mon 11/17

10:25 pm-10:42 am

1 stop10h 17m

$259

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Thu 11/6

2:32 pm-11:50 pm

1 stop11h 18m

$153

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 18 results
1
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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, August is the cheapest month in which you can book a flight from Des Moines to Ontario (average of $246). Flying from Des Moines 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 DSM to ONT?

Find hourly flight availability from Des Moines 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 September 11, 2025.

When flying from Des Moines to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 14% versus a flight at noon.

What is the cheapest day to fly from Des Moines to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Des Moines to Ontario. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Des Moines to Ontario flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 11, 2025.
Read through reviews of airlines operating flights from Des Moines to Ontario, such as Southwest, United Airlines, 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
4,248 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

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 $164, Frontier can have you in Ontario from Des Moines in 22h 38m. Des Moines and Ontario are separated by a distance of 1399 mi.

  • 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 $108. Other airlines that can offer you cheap pricing are United Airlines, from $222, and American Airlines, from $298. You may be able to fly from Des Moines to Ontario for 74% 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 $153. American Airlines flights start at $160 while deals on United Airlines start at $160 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, August is the cheapest month in which you can book a flight from Des Moines to Ontario (average of $246). Flying from Des Moines 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 4 airlines flying from Des Moines to Ontario

Discover the top 4 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$168FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$222Average$410FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$298Average$436FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$334Average$436FlexibilityNo cancel feeOn-time63%

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