HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Moline

$174+ Cheap flights from Ontario to Moline (ONT - MLI)

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MLI
jul. 6 — jul. 131
dom. 7/6
dom. 7/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Moline 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 Ontario to Moline

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Moline (MLI). 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 julio 1, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$174
(Delta)

Popular in

March

Cheapest in

December

Average price

$420
From Ontario to Moline Quad-City
Search Deals
One-way flight from Ontario to Moline Quad-City
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($39 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 July 2025
Search Deals

Find flight deals from Ontario to Moline

Cheapest flights from Ontario to Moline
Explore the most affordable flight options available from Ontario to Moline. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 1, 2025.

This American Airlines deal was found by Cheapflights users on 6/30. 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.
jue. 8/212:31 pmONT - MLI
1 stop6h 51mAmerican Airlines
dom. 8/246:20 amMLI - ONT
1 stop7h 33mAmerican Airlines
Deal found 6/30$289
This United Airlines deal was found by Cheapflights users on 6/30. 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. 12/251:00 pmONT - MLI
1 stop6h 03mUnited Airlines
jue. 1/15:42 pmMLI - ONT
1 stop6h 44mUnited Airlines
Deal found 6/30$379
This Delta deal was found by Cheapflights users on 7/1. 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.
lun. 7/711:40 amONT - MLI
1 stop8h 39mDelta
mar. 7/155:26 pmMLI - ONT
1 stop7h 01mDelta
Deal found 7/1$414

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Moline 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 julio 1, 2025.
Use the filters below to find and compare flights from Ontario to Moline that are best for you.

Fly from

Ontario

Fly to

Moline

Route

Depart

Return

Price

OntarioMoline

ONT - MLI

ONTMLI

Ontario

jue. 8/21

2:31 pm-11:22 pm

1 stop6h 51m

Moline Quad-City

dom. 8/24

6:20 am-11:53 am

1 stop7h 33m

$289

OntarioMoline

ONT - MLI

ONTMLI

Ontario

jue. 12/25

1:00 pm-9:03 pm

1 stop6h 03m

Moline Quad-City

jue. 1/1

5:42 pm-10:26 pm

1 stop6h 44m

$379

OntarioMoline

ONT - MLI

ONTMLI

Ontario

mié. 8/13

11:45 am-10:48 pm

1 stop9h 03m

$174

OntarioMoline

ONT - MLI

ONTMLI

Ontario

jue. 8/14

8:14 am-4:54 pm

1 stop6h 40m

$219

OntarioMoline

ONT - MLI

ONTMLI

Ontario

jue. 8/14

6:39 pm-10:22 am

2 stops13h 43m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from Ontario to Moline

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

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

Currently, April is the cheapest month in which you can book a flight from Ontario to Moline (average of $327). Flying from Ontario to Moline in June is currently the most expensive (average of $432). 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 ONT to MLI?

Find hourly flight availability from Ontario to Moline. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 1, 2025.

When flying from Ontario to Moline, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 28% versus a flight at noon.

Reviews of airlines servicing Moline

Get insights into the airlines that provide service to Moline. 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 Moline. Reviews last updated julio 1, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Ontario to Moline. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
8,858 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from Ontario to Moline. 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 Ontario to Moline round-trip?

    Our cheapest airline available from Ontario to Moline is American Airlines. Our recent data shows that you can find tickets from as low as $289 on this airline. An additional option worth looking into is United Airlines, starting at $379. You may be able to fly from Ontario to Moline for 40% less than the average price by searching for these airlines.

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

    $174 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $219 and $224, respectively.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Ontario to Moline (average of $327). Flying from Ontario to Moline in June is currently the most expensive (average of $432). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Davenport
Clinton
Bettendorf

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 Ontario to Moline

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

Top 3 airlines flying from Ontario to Moline

Discover the top 3 airlines that operate flights from Ontario to Moline. 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 julio 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$173Average$378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$538FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$313Average$458FlexibilityNo 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.