HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$274+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
MLI — ONT
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$283
(Vliegwinkel)

One-way from

$274
(United Airlines)

Popular in

December

Cheapest in

July

Average price

$294
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. 17% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 14, 2025.

This Vliegwinkel deal was found by Cheapflights users on 8/12. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/412:36 pmMLI - ONT
1 stop10h 20mMultiple Airlines
Wed 9/108:00 amONT - MLI
1 stop25h 46mMultiple Airlines
Deal found 8/12$283
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Fri 9/56:30 amMLI - ONT
1 stop9h 24mAmerican Airlines
Mon 9/812:45 pmONT - MLI
1 stop6h 47mAmerican Airlines
Deal found 8/14$289
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/55:31 pmMLI - ONT
1 stop6h 59mUnited Airlines
Mon 9/86:50 pmONT - MLI
2 stops13h 20mUnited Airlines
Deal found 8/14$294
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/125:31 pmMLI - ONT
1 stop6h 59mUnited Airlines
Mon 9/156:50 pmONT - MLI
2 stops13h 20mUnited Airlines
Deal found 8/14$325
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Fri 8/295:24 pmMLI - ONT
1 stop8h 43mAmerican Airlines
Tue 9/211:59 pmONT - MLI
1 stop8h 25mAmerican Airlines
Deal found 8/14$339
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:20 pmMLI - ONT
1 stop7h 11mUnited Airlines
Sat 11/87:00 amONT - MLI
1 stop7h 37mUnited Airlines
Deal found 8/11$379
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/243:40 pmMLI - ONT
1 stop8h 50mUnited Airlines
Mon 9/296:36 pmONT - MLI
2 stops13h 39mUnited Airlines
Deal found 8/12$384
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:00 amMLI - ONT
2 stops14h 47mAlaska Airlines
Mon 9/297:47 pmONT - MLI
2 stops13h 03mAlaska Airlines
Deal found 8/12$389
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/123:40 pmMLI - ONT
1 stop8h 50mUnited Airlines
Sun 9/147:00 amONT - MLI
1 stop6h 05mUnited Airlines
Deal found 8/13$404
This United Airlines deal was found by Cheapflights users on 8/14. 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 8/295:31 pmMLI - ONT
1 stop6h 59mUnited Airlines
Tue 9/26:50 pmONT - MLI
2 stops13h 20mUnited Airlines
Deal found 8/14$415

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 August 14, 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

Thu 9/4

12:36 pm-8:56 pm

1 stop10h 20m

Ontario

Wed 9/10

8:00 am-11:46 am

1 stop25h 46m

$283

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

Fri 9/12

5:40 pm-10:33 pm

1 stop6h 53m

Ontario

Sun 9/14

11:59 pm-10:24 am

1 stop8h 25m

$289

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

Fri 9/5

6:30 am-1:54 pm

1 stop9h 24m

Ontario

Mon 9/8

12:45 pm-9:32 pm

1 stop6h 47m

$289

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

Fri 9/5

5:40 pm-10:33 pm

1 stop6h 53m

Ontario

Sun 9/7

11:59 pm-10:24 am

1 stop8h 25m

$289

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

Fri 9/5

5:31 pm-10:30 pm

1 stop6h 59m

Ontario

Mon 9/8

6:50 pm-10:10 am

2 stops13h 20m

$294

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

Fri 9/12

5:31 pm-10:30 pm

1 stop6h 59m

Ontario

Mon 9/15

6:50 pm-10:10 am

2 stops13h 20m

$325

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

Fri 8/29

5:24 pm-12:07 am

1 stop8h 43m

Ontario

Tue 9/2

11:59 pm-10:24 am

1 stop8h 25m

$339

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

Fri 11/7

5:20 pm-10:31 pm

1 stop7h 11m

Ontario

Wed 11/12

7:00 am-3:20 pm

1 stop6h 20m

$379

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

Tue 9/2

3:40 pm-10:30 pm

1 stop8h 50m

$274

MolineOntario

MLI - ONT

MLIONT

Moline Quad-City

Mon 9/22

3:40 pm-10:30 pm

1 stop8h 50m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 13 results
1
2

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.

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 August 14, 2025.
Read reviews from past customers who have flown American Airlines from Moline to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Food

6.5

Overall

7.2

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Diana,Jul 2024

ORD - IND

Shout out to Isabelle and Debbie who went above and beyond to make it a good experience. Wheelchair service and workers were excellent and much appreciated.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Food

6.5

Overall

7.2

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Diana,Jul 2024

ORD - IND

Shout out to Isabelle and Debbie who went above and beyond to make it a good experience. Wheelchair service and workers were excellent and much appreciated.

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 is the cheapest airline to fly from Moline to Ontario round-trip?

    Cheapflights users have booked flights from Moline to Ontario round-trip from $298. American Airlines is currently priced 29% below the average price you’ll pay for this route.

  • 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
Midway to Las Vegas flights
O'Hare Intl to Ontario flights
O'Hare Intl to San Diego flights
St. Louis to Las Vegas flights
O'Hare Intl to Santa Ana flights
O'Hare Intl to Burbank flights
Midway to San Francisco flights
O'Hare Intl to Palm Springs flights
O'Hare Intl to Sacramento flights
Midway to Los Angeles flights
O'Hare Intl to Oakland flights
O'Hare Intl to San Jose flights
St. Louis to Los Angeles flights
O'Hare Intl to Reno flights
O'Hare Intl to Fresno flights
Midway to San Diego flights
St. Louis to San Francisco flights
St. Louis to San Diego flights
Rockford to Las Vegas flights
Midway to Ontario flights
Midway to Santa Ana flights
Midway to Palm Springs flights
Midway to Oakland flights
Midway to San Jose flights
Peoria to Las Vegas flights
Midway to Reno flights
St. Louis to Reno flights
Evansville to Los Angeles flights
St. Louis to Ontario flights
St. Louis to Sacramento flights
Evansville to Santa Ana flights
Evansville to Ontario flights
Midway to Sacramento flights
St. Louis to San Jose flights
O'Hare Intl to Santa Barbara flights
O'Hare Intl to Monterey flights
Moline to San Jose flights
O'Hare Intl to Arcata flights
Bloomington to Las Vegas flights
Evansville to Las Vegas flights
St. Louis to Santa Ana flights
O'Hare Intl to Long Beach flights
Moline to Las Vegas flights
Midway to Burbank flights
Peoria to San Diego flights
St. Louis 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$298Average$441FlexibilityNo 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.