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$118+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — ONT
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$218
(Frontier)

One-way from

$118
(Cheapflightsfares)

Popular in

February

Cheapest in

October

Average price

$422
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. 12% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 30, 2025.

This Frontier deal was found by Cheapflights users on 7/28. 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 10/153:30 pmDSM - ONT
1 stop10h 20mFrontier
Tue 10/2112:59 amONT - DSM
1 stop11h 44mFrontier
Deal found 7/28$218
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:10 amDSM - ONT
1 stop8h 45mAmerican Airlines
Fri 9/194:45 pmONT - DSM
1 stop5h 33mAmerican Airlines
Deal found 7/29$296
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:14 pmDSM - ONT
1 stop7h 28mDelta
Mon 11/1710:59 pmONT - DSM
1 stop9h 19mDelta
Deal found 7/29$297
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 11/129:01 amDSM - ONT
1 stop5h 30mUnited Airlines
Mon 11/176:38 pmONT - DSM
2 stops13h 52mUnited Airlines
Deal found 7/29$302
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:20 amDSM - ONT
2 stops8h 30mSouthwest
Mon 11/175:55 amONT - DSM
2 stops7h 40mSouthwest
Deal found 7/29$357
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/115:00 amDSM - ONT
2 stops11h 12mAlaska Airlines
Mon 9/157:47 pmONT - DSM
2 stops11h 59mAlaska Airlines
Deal found 7/29$497

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 30, 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

Wed 10/15

3:30 pm-11:50 pm

1 stop10h 20m

Ontario

Tue 10/21

12:59 am-2:43 pm

1 stop11h 44m

$218

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Fri 9/12

5:10 am-11:55 am

1 stop8h 45m

Ontario

Fri 9/19

4:45 pm-12:18 am

1 stop5h 33m

$296

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Wed 11/12

2:14 pm-10:41 pm

1 stop10h 27m

Ontario

Mon 11/17

10:59 pm-10:18 am

1 stop9h 19m

$297

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Wed 11/12

9:01 am-12:31 pm

1 stop5h 30m

Ontario

Mon 11/17

6:38 pm-10:30 am

2 stops13h 52m

$302

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Wed 11/12

8:20 am-2:50 pm

2 stops8h 30m

Ontario

Mon 11/17

5:55 am-3:35 pm

2 stops7h 40m

$357

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Thu 9/11

5:00 am-2:12 pm

2 stops11h 12m

Ontario

Mon 9/15

7:47 pm-9:46 am

2 stops11h 59m

$497

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Fri 8/8

7:33 pm-11:50 pm

1 stop6h 17m

$118

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Tue 8/12

8:00 am-2:48 pm

1 stop8h 48m

$177

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Tue 8/19

5:15 pm-8:43 pm

1 stop5h 28m

$189

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Tue 8/12

5:12 am-6:04 pm

2 stops14h 52m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 12 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 July 30, 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 July 30, 2025.
Read through reviews of airlines operating flights from Des Moines to Ontario, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

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
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

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
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

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
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

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 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.

  • 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 $218. Other airlines that can offer you cheap pricing are American Airlines, from $296, and Delta, from $297. You may be able to fly from Des Moines to Ontario for 50% 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 $118. United Airlines flights start at $189 while deals on Alaska Airlines start at $299 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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Alternative routes for Des Moines to Ontario

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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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$168FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$316Average$473FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$334Average$416FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$334Average$455FlexibilityNo cancel feeOn-time71%

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