HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$88+ Cheap flights from Iowa to Ontario (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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — ONT
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Iowa 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 Iowa to Ontario

Keep the following information in mind while searching for Iowa to Ontario flight deals. Data was last updated April 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$221
(CheapOair)

One-way from

$88
(Cheapflightsfares)

Popular in

December

Cheapest in

August

Average price

$374
Provider with most accurate pricing for Des Moines-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Des Moines-Los Angeles flights.
Search Deals
From Iowa to Ontario
Search Deals
One-way flight from Iowa to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Iowa to Ontario

Cheapest flights from Iowa to Ontario
Explore the most affordable flight options available from Iowa to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/307:27 pmDSM - ONT
1 stop6h 32mFrontier
Tue 5/612:59 amONT - DSM
1 stop15h 31mFrontier
Deal found 4/29$181
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/89:02 pmOMA - ONT
1 stop16h 13mFrontier
Sun 5/1112:59 amONT - OMA
1 stop17h 03mFrontier
Deal found 4/29$208
This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/58:00 pmCID - ONT
1 stop15h 12mFrontier
Wed 6/115:21 pmONT - CID
1 stop23h 54mFrontier
Deal found 4/28$251
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/35:30 amCID - ONT
1 stop7h 38mDelta
Tue 6/1011:49 amONT - CID
1 stop9h 04mDelta
Deal found 4/28$289
This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 6/35:15 pmMLI - ONT
1 stop7h 14mDelta
Fri 6/1311:49 amONT - MLI
1 stop9h 00mDelta
Deal found 4/29$289
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/242:51 pmCID - ONT
2 stops8h 47mAmerican Airlines
Tue 7/812:46 pmONT - CID
1 stop6h 45mAmerican Airlines
Deal found 4/29$294
This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 7/85:10 amOMA - ONT
1 stop7h 20mDelta
Tue 7/155:08 pmONT - OMA
1 stop4h 48mDelta
Deal found 4/29$299
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/222:29 pmDSM - ONT
1 stop9h 58mDelta
Tue 7/2911:40 amONT - DSM
1 stop9h 18mDelta
Deal found 4/28$299
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 7/3011:43 amOMA - ONT
2 stops8h 25mAmerican Airlines
Mon 8/412:59 amONT - OMA
1 stop5h 57mAmerican Airlines
Deal found 4/29$304
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/35:13 amDSM - ONT
1 stop8h 37mAmerican Airlines
Thu 6/52:40 pmONT - DSM
1 stop7h 26mAmerican Airlines
Deal found 4/29$317
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/245:40 pmMLI - ONT
1 stop6h 46mUnited Airlines
Sat 5/311:33 pmONT - MLI
1 stop5h 28mUnited Airlines
Deal found 4/28$319
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 8/207:00 amOMA - ONT
1 stop9h 09mAlaska Airlines
Sun 8/313:04 pmONT - OMA
1 stop6h 55mAlaska Airlines
Deal found 4/29$338

Cheapflights Fare Finder

Customize your flight search to find flights from Iowa 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 April 30, 2025.
Use the filters below to find and compare flights from Iowa to Ontario that are best for you.

Fly from

Iowa

Fly to

Ontario

Route

Depart

Return

Price

OmahaOntario

OMA - ONT

OMAONT

Omaha Eppley Airfield

Thu 5/8

9:02 pm-11:59 pm

1 stop4h 57m

Ontario

Sun 5/11

12:59 am-8:02 pm

1 stop17h 03m

$221

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Mon 5/5

7:20 pm-11:59 pm

1 stop6h 39m

Ontario

Thu 5/8

12:59 am-6:30 pm

1 stop15h 31m

$228

Cedar RapidsOntario

CID - ONT

CIDONT

Cedar Rapids

Thu 6/5

8:00 pm-9:12 am

1 stop15h 12m

Ontario

Wed 6/11

5:21 pm-7:15 pm

1 stop23h 54m

$251

Cedar RapidsOntario

CID - ONT

CIDONT

Cedar Rapids

Tue 6/3

5:30 am-11:08 am

1 stop7h 38m

Ontario

Sat 6/7

12:18 pm-10:16 pm

1 stop7h 58m

$289

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

Tue 6/3

5:15 pm-10:29 pm

1 stop7h 14m

Ontario

Fri 6/13

11:49 am-10:49 pm

1 stop9h 00m

$289

Cedar RapidsOntario

CID - ONT

CIDONT

Cedar Rapids

Tue 6/24

2:51 pm-9:38 pm

2 stops8h 47m

Ontario

Tue 7/8

12:46 pm-9:31 pm

1 stop6h 45m

$294

OmahaOntario

OMA - ONT

OMAONT

Omaha Eppley Airfield

Wed 6/25

2:55 pm-10:25 pm

1 stop9h 30m

Ontario

Thu 7/3

10:05 pm-9:44 am

1 stop9h 39m

$299

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Tue 7/22

2:29 pm-10:27 pm

1 stop9h 58m

Ontario

Tue 7/29

11:40 am-10:58 pm

1 stop9h 18m

$299

Des MoinesOntario

DSM - ONT

DSMONT

Des Moines

Tue 6/3

5:13 am-11:50 am

1 stop8h 37m

Ontario

Thu 6/5

2:40 pm-12:06 am

1 stop7h 26m

$317

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

Sat 5/24

5:40 pm-10:26 pm

1 stop6h 46m

Ontario

Sat 5/31

1:33 pm-9:01 pm

1 stop5h 28m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 41 results
1
2
3
...
5

Best time to book a flight from Iowa to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Iowa to Ontario (average of $246). Flying from Iowa 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 IA to ONT?

Find hourly flight availability from Iowa 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 April 30, 2025.

When flying from Iowa to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 30, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Iowa to Ontario have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

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
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

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 Iowa to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Iowa?

    Ontario (ONT) is the airport you will fly into if you book a flight from Iowa to Ontario. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

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

    One-way options have recently been found by users for as low as $88 on Frontier. Other airlines that offer cheap prices include American Airlines from $170 and United Airlines from $190 one-way.

  • What are the most popular routes from Iowa to Ontario?

    The most popular route from Iowa to Ontario is Omaha Eppley Airfield - Ontario. You may also consider Cedar Rapids - Ontario or Des Moines - Ontario.

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

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

  • How can I find direct flights from Iowa to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Iowa 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 Iowa to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Iowa to Ontario (average of $246). Flying from Iowa 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 Iowa to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
Newark to Las Vegas flights
Seattle to Los Angeles flights
John F Kennedy Intl to San Francisco flights
John F Kennedy Intl to Las Vegas flights
Newark to Los Angeles flights
LaGuardia to Los Angeles flights
Dallas/Fort Worth to Las Vegas flights
O'Hare Intl to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
LaGuardia to Las Vegas flights
Newark to San Francisco flights
Seattle to Las Vegas flights
San Jose to Los Angeles flights
Hobby to Las Vegas flights
Los Angeles to Las Vegas flights
San Francisco to Los Angeles flights
Denver to Las Vegas flights
San Francisco to Las Vegas flights
Reagan-National to Los Angeles flights
Los Angeles to San Francisco flights
Dallas/Fort Worth to San Francisco flights
San Jose to Las Vegas flights
Boston to Los Angeles flights
Boston to Las Vegas flights
Baltimore to Los Angeles flights
Santa Ana to Las Vegas flights
Seattle to Santa Ana flights
George Bush Intcntl to Las Vegas flights
Oakland to Las Vegas flights
John F Kennedy Intl to Ontario flights
Seattle to San Diego flights
O'Hare Intl to Los Angeles flights
Burbank to Las Vegas flights
Reagan-National to Las Vegas flights
Dulles Intl to Las Vegas flights
San Francisco to Ontario flights
Dulles Intl to Los Angeles flights
Hobby to Los Angeles flights
Oakland to Los Angeles flights
Dulles Intl to San Francisco flights
Reagan-National to San Francisco flights
LaGuardia to San Francisco flights
John F Kennedy Intl to San Diego flights
Atlanta to Las Vegas flights
Los Angeles to Oakland flights
Oakland to Santa Ana flights
Boston to San Francisco flights
Midway to Las Vegas flights
Los Angeles to San Jose flights

Top 4 airlines flying from Iowa to Ontario

Discover the top 4 airlines that operate flights from Iowa 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$170FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$287Average$419FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$311Average$468FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$334Average$416FlexibilityNo cancel feeOn-time63%

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.