HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$135+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Des Moines to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$278
(FlightHub)

One-way from

$135
(FlightHub)

Popular in

February

Cheapest in

October

Average price

$540
From Des Moines to Ontario
Search Deals
One-way flight from Des Moines to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/12. 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.
Thu 9/188:41 pmDSM - ONT
1 stop5h 09mFrontier
Sun 9/2112:59 amONT - DSM
1 stop16h 57mFrontier
Deal found 6/12$265
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/311:23 amDSM - ONT
1 stop9h 48mDelta
Mon 9/1510:59 pmONT - DSM
1 stop9h 19mDelta
Deal found 6/10$299
This American Airlines deal was found by Cheapflights users on 6/12. 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 9/185:00 amDSM - ONT
2 stops8h 56mAmerican Airlines
Mon 9/222:54 pmONT - DSM
1 stop6h 19mAmerican Airlines
Deal found 6/12$358
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/31:20 pmDSM - ONT
1 stop6h 09mUnited Airlines
Mon 9/156:50 pmONT - DSM
2 stops13h 49mUnited Airlines
Deal found 6/10$384
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/265:12 amDSM - ONT
2 stops10h 57mAlaska Airlines
Sun 8/316:00 amONT - DSM
2 stops10h 40mAlaska Airlines
Deal found 6/11$507
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1811:45 amDSM - ONT
1 stop5h 55mSouthwest
Tue 6/245:10 amONT - DSM
1 stop5h 50mSouthwest
Deal found 6/11$738

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 June 12, 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 9/5

8:41 pm-11:50 pm

1 stop5h 09m

Ontario

Sun 9/7

12:59 am-7:56 pm

1 stop16h 57m

$278

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Wed 9/3

11:23 am-7:11 pm

1 stop9h 48m

Ontario

Thu 9/4

7:05 am-4:27 pm

1 stop7h 22m

$299

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Sat 7/19

7:47 pm-11:54 pm

1 stop6h 07m

Ontario

Fri 7/25

12:59 am-9:02 am

1 stop6h 03m

$371

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Wed 9/3

1:20 pm-5:29 pm

1 stop6h 09m

Ontario

Mon 9/8

6:50 pm-10:39 am

2 stops13h 49m

$384

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Tue 8/26

5:12 am-2:09 pm

2 stops10h 57m

Ontario

Sun 8/31

6:00 am-6:40 pm

2 stops10h 40m

$507

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Wed 6/18

11:45 am-3:40 pm

1 stop5h 55m

Ontario

Tue 6/24

5:10 am-1:00 pm

1 stop5h 50m

$738

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Mon 7/21

7:33 pm-11:50 pm

1 stop6h 17m

$135

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Fri 7/4

2:20 pm-10:14 pm

1 stop9h 54m

$169

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Wed 8/13

9:15 am-12:32 pm

1 stop5h 17m

$190

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Thu 7/17

5:00 am-10:01 am

1 stop7h 01m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results
1
2

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 June 12, 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.

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Des Moines to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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 $278. Other airlines that can offer you cheap pricing are Delta, from $299, and American Airlines, from $371. You may be able to fly from Des Moines to Ontario for 37% 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 $135. Delta flights start at $169 while deals on United Airlines start at $190 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Des Moines to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Omaha to Las Vegas flights
Omaha to San Francisco flights
Des Moines to Las Vegas flights
Omaha to Los Angeles flights
Omaha to San Diego flights
Omaha to Ontario flights
Des Moines to San Francisco flights
Des Moines to Los Angeles flights
Omaha to Santa Ana flights
Cedar Rapids to Santa Ana flights
Cedar Rapids to San Francisco flights
Cedar Rapids to Los Angeles flights
Moline to Las Vegas flights
Cedar Rapids to Las Vegas flights
Cedar Rapids to Ontario flights
Des Moines to San Jose flights
Moline to Los Angeles flights
Cedar Rapids to San Diego flights
Cedar Rapids to Sacramento flights
Omaha to Burbank flights
Cedar Rapids to Reno flights
Omaha to Long Beach flights
Omaha to Sacramento flights
Des Moines to San Diego flights
Des Moines to Santa Ana flights
Omaha to Reno flights
Moline to Ontario flights
Moline to Sacramento flights
Moline to Palm Springs flights
Omaha to San Jose flights
Omaha to Palm Springs flights
Cedar Rapids to San Jose flights
Omaha to Santa Barbara flights
Des Moines to Reno flights
Des Moines to Fresno flights
Des Moines to Burbank flights
Des Moines to Palm Springs flights
Des Moines to Santa Barbara flights
Moline to San Diego flights
Moline to San Francisco flights
Omaha to Monterey flights
Omaha to Oakland flights
Des Moines to Sacramento flights
Cedar Rapids to Burbank flights
Moline to Santa Ana flights
Cedar Rapids to Medford flights
Des Moines to Oakland flights
Des Moines to Bakersfield flights
Cedar Rapids to Monterey flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$168FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$334Average$416FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$334Average$461FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$376Average$466FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.