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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MLI
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 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 June 12, 2025.

Round-trip from

$344
(Delta)

One-way from

$174
(Delta)

Popular in

March

Cheapest in

December

Average price

$567
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 June 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 June 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.
Thu 8/2111:45 amONT - MLI
1 stop9h 03mDelta
Sun 8/244:59 pmMLI - ONT
1 stop7h 21mDelta
Deal found 6/11$344
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 8/2112:47 pmONT - MLI
1 stop8h 35mAmerican Airlines
Sun 8/247:04 amMLI - ONT
2 stops11h 20mAmerican Airlines
Deal found 6/12$349
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 8/87:00 amONT - MLI
1 stop7h 43mUnited Airlines
Tue 8/125:20 pmMLI - ONT
1 stop6h 51mUnited Airlines
Deal found 6/9$379
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.
Sun 11/26:11 pmONT - MLI
2 stops14h 34mAlaska Airlines
Thu 11/611:33 amMLI - ONT
2 stops13h 57mAlaska Airlines
Deal found 6/11$740

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 June 12, 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

Thu 8/21

11:45 am-10:48 pm

1 stop9h 03m

Moline Quad-City

Sun 8/24

4:59 pm-10:20 pm

1 stop7h 21m

$344

OntarioMoline

ONT - MLI

ONTMLI

Ontario

Thu 8/21

12:47 pm-11:22 pm

1 stop8h 35m

Moline Quad-City

Sun 8/24

7:04 am-4:24 pm

2 stops11h 20m

$349

OntarioMoline

ONT - MLI

ONTMLI

Ontario

Fri 8/8

7:00 am-4:43 pm

1 stop7h 43m

Moline Quad-City

Tue 8/12

5:20 pm-10:11 pm

1 stop6h 51m

$379

OntarioMoline

ONT - MLI

ONTMLI

Ontario

Sun 11/2

6:11 pm-10:45 am

2 stops14h 34m

Moline Quad-City

Thu 11/6

11:33 am-11:30 pm

2 stops13h 57m

$740

OntarioMoline

ONT - MLI

ONTMLI

Ontario

Tue 10/14

12:00 pm-10:30 pm

1 stop8h 30m

$174

OntarioMoline

ONT - MLI

ONTMLI

Ontario

Tue 10/14

8:04 pm-10:53 am

2 stops12h 49m

$205

OntarioMoline

ONT - MLI

ONTMLI

Ontario

Sat 8/23

6:04 am-4:54 pm

2 stops8h 50m

$224

OntarioMoline

ONT - MLI

ONTMLI

Ontario

Fri 10/17

7:25 pm-10:53 am

2 stops13h 28m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $427). 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 June 12, 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.

Rainfall in Moline by month

Plan your trip to Moline by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Moline ranges from 1.5 - 4.5 inches per month. June is typically the wettest month, when rainfall can reach 4.5 in. January is typically the driest time to visit Moline when rainfall is around 1.5 in.

Temperature in Moline by month

Plan your trip to Moline by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Moline, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

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 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 Delta. Our recent data shows that you can find tickets from as low as $344 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $349 and $379 round-trip. You may be able to fly from Ontario to Moline for 29% 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 $205 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 $427). 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
Burbank to O'Hare Intl flights
San Diego to O'Hare Intl flights
San Jose to O'Hare Intl flights
Oakland to O'Hare Intl flights
Los Angeles to Midway flights
Los Angeles to St. Louis flights
Sacramento to O'Hare Intl flights
Las Vegas to O'Hare Intl flights
Ontario to Midway flights
San Francisco to St. Louis flights
Ontario to St. Louis flights
San Diego to Midway flights
Santa Ana to Midway flights
Oakland to Midway flights
San Jose to Midway flights
Long Beach to O'Hare Intl flights
Sacramento to Midway flights
Las Vegas to Midway flights
Palm Springs to O'Hare Intl flights
Fresno to O'Hare Intl flights
Burbank to St. Louis flights
Reno to O'Hare Intl flights
Burbank to Midway flights
Las Vegas to St. Louis flights
San Diego to St. Louis flights
Sacramento to St. Louis flights
Santa Ana to St. Louis flights
Long Beach to St. Louis flights
Long Beach to Midway flights
Palm Springs to Midway flights
Oakland to St. Louis flights
San Jose to St. Louis flights
Santa Barbara to O'Hare Intl flights
Fresno to Midway flights
Santa Rosa to O'Hare Intl flights
Reno to Midway flights
Ontario to Peoria flights
San Luis Obispo to O'Hare Intl flights
Los Angeles to Evansville flights
Monterey to O'Hare Intl flights
San Diego to Moline flights
Medford to O'Hare Intl flights
San Diego to Peoria flights
Santa Ana to Moline flights
Los Angeles to Moline 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 June 12, 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.