HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$174+ Cheap flights from Moline to Ontario (MLI - 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
MLI — ONT
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Moline 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 Moline to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Moline (MLI) 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 junio 12, 2025.

Round-trip from

$344
(United Airlines)

One-way from

$174
(Delta)

Popular in

December

Cheapest in

August

Average price

$428
From Moline Quad-City to Ontario
Search Deals
One-way flight from Moline Quad-City to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Moline to Ontario

Cheapest flights from Moline to Ontario
Explore the most affordable flight options available from Moline to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/244:59 pmMLI - ONT
1 stop7h 57mDelta
mié. 12/3111:56 amONT - MLI
1 stop8h 26mDelta
Deal found 6/11$289
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.
jue. 7/35:20 pmMLI - ONT
1 stop6h 46mUnited Airlines
dom. 7/67:00 amONT - MLI
1 stop7h 43mUnited Airlines
Deal found 6/10$379
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/45:45 amMLI - ONT
1 stop6h 19mAmerican Airlines
mar. 7/86:10 amONT - MLI
1 stop7h 14mAmerican Airlines
Deal found 6/11$434
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/246:16 amMLI - ONT
2 stops14h 01mAlaska Airlines
vie. 11/286:00 amONT - MLI
2 stops13h 26mAlaska Airlines
Deal found 6/10$718

Cheapflights Fare Finder

Customize your flight search to find flights from Moline 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 junio 12, 2025.
Use the filters below to find and compare flights from Moline to Ontario that are best for you.

Fly from

Moline

Fly to

Ontario

Route

Depart

Return

Price

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

jue. 6/26

5:20 pm-10:11 pm

1 stop6h 51m

Ontario

lun. 6/30

6:39 pm-10:22 am

2 stops13h 43m

$344

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

vie. 7/11

5:26 pm-10:27 pm

1 stop7h 01m

Ontario

lun. 7/14

11:40 am-10:19 pm

1 stop8h 39m

$374

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

vie. 7/4

5:45 am-10:04 am

1 stop6h 19m

Ontario

mar. 7/8

6:10 am-3:24 pm

1 stop7h 14m

$434

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

jue. 10/2

10:51 am-11:59 pm

2 stops15h 08m

Ontario

lun. 10/13

7:25 pm-10:53 am

2 stops13h 28m

$591

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

mar. 10/14

5:00 pm-10:41 pm

1 stop7h 41m

$174

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

sáb. 10/18

10:50 am-6:06 pm

1 stop9h 16m

$219

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

mié. 10/15

6:00 am-6:30 pm

2 stops14h 30m

$250

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

vie. 7/4

5:45 am-11:59 am

1 stop8h 14m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Moline to Ontario

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

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

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

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 junio 12, 2025.
To help decide which airline to fly from Moline to Ontario, see what other customers have to say about Alaska Airlines, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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 Moline 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 Moline to Ontario round-trip?

    Cheapflights users have booked flights from Moline to Ontario round-trip from $344. Other airlines that can offer you cheap pricing are Delta, from $374, and American Airlines, from $434. United Airlines is currently priced 25% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $174. United Airlines flights start at $219 while deals on Alaska Airlines start at $250 one-way.

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

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

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

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

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

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

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

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Las Vegas flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to San Francisco flights
O'Hare Intl to Santa Ana flights
O'Hare Intl to San Diego flights
O'Hare Intl to Ontario flights
Midway to Las Vegas flights
O'Hare Intl to Burbank flights
Midway to Los Angeles flights
St. Louis to Las Vegas flights
Midway to San Francisco flights
O'Hare Intl to Oakland flights
O'Hare Intl to Sacramento flights
O'Hare Intl to San Jose flights
O'Hare Intl to Reno flights
St. Louis to Los Angeles flights
O'Hare Intl to Palm Springs flights
St. Louis to San Francisco flights
Midway to San Diego flights
Midway to Ontario flights
Midway to Santa Ana flights
Rockford to Las Vegas flights
St. Louis to San Diego flights
St. Louis to Ontario flights
Midway to Reno flights
St. Louis to Sacramento flights
O'Hare Intl to Fresno flights
Midway to Oakland flights
Midway to San Jose flights
O'Hare Intl to Santa Barbara flights
O'Hare Intl to Long Beach flights
St. Louis to Burbank flights
Midway to Palm Springs flights
Peoria to San Diego flights
St. Louis to Santa Ana flights
Midway to Long Beach flights
Moline to Las Vegas flights
St. Louis to Long Beach flights
Peoria to Las Vegas flights
Moline to Los Angeles flights
Midway to Sacramento flights
O'Hare Intl to Monterey flights
St. Louis to Palm Springs flights
Bloomington to Las Vegas flights
Midway to Burbank flights
Evansville to Las Vegas flights
St. Louis to San Jose flights
St. Louis to Reno flights
Peoria to Los Angeles flights
Moline to Palm Springs flights

Top airline flying from Moline to Ontario

Discover the top airline that operate flights from Moline 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$244Average$434FlexibilityNo cancel feeOn-time71%

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.