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$237+ Cheap flights from Flint, MI to Ontario (FNT - 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — ONT
Oct 31 — Nov 71
Fri 10/31
Fri 11/7
1 adult, Economy
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Cheap flight deals from Flint to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Flint (FNT) 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 October 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$379
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$448
Provider with most accurate pricing for Flint Bishop-Ontario flight deals.
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Provider most trusted by Cheapflights users for Flint Bishop-Ontario flights.
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From Flint Bishop to Ontario
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($183 potential increase over avg. RT price).
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Cheapest flight prices on average. 12% potential price decrease ($63 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Flint to Ontario

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

This United Airlines deal was found by Cheapflights users on 9/30. 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.
Mon 11/102:15 pmFNT - ONT
1 stop7h 21mUnited Airlines
Wed 11/197:00 amONT - FNT
1 stop6h 07mUnited Airlines
Deal found 9/30$379
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 11/152:15 pmFNT - ONT
2 stops10h 34mUnited Airlines
Tue 11/187:00 amONT - FNT
1 stop6h 07mUnited Airlines
Deal found 9/30$384
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Tue 10/144:43 pmFNT - ONT
1 stop8h 47mUnited Airlines
Sat 10/187:02 amONT - FNT
1 stop6h 06mUnited Airlines
Deal found 9/28$388
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/222:05 pmFNT - ONT
2 stops11h 47mUnited Airlines
Sat 10/255:05 amONT - FNT
2 stops8h 03mUnited Airlines
Deal found 10/1$389
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Tue 10/282:15 pmFNT - ONT
1 stop7h 21mUnited Airlines
Tue 11/47:00 amONT - FNT
1 stop6h 06mUnited Airlines
Deal found 9/30$426
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Mon 11/102:15 pmFNT - ONT
1 stop7h 21mUnited Airlines
Sun 11/167:00 amONT - FNT
1 stop6h 07mUnited Airlines
Deal found 9/30$429
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 11/152:15 pmFNT - ONT
2 stops10h 34mUnited Airlines
Sun 11/167:00 amONT - FNT
1 stop6h 07mUnited Airlines
Deal found 9/30$435
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/112:05 pmFNT - ONT
1 stop7h 01mUnited Airlines
Sat 11/17:00 amONT - FNT
1 stop6h 06mUnited Airlines
Deal found 10/1$444
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:43 pmFNT - ONT
1 stop8h 47mUnited Airlines
Sat 10/187:02 amONT - FNT
1 stop6h 06mUnited Airlines
Deal found 10/1$454
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Tue 10/1410:53 amFNT - ONT
2 stops10h 42mAmerican Airlines
Sat 10/188:15 amONT - FNT
2 stops11h 54mAmerican Airlines
Deal found 9/30$460
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Tue 10/74:43 pmFNT - ONT
1 stop8h 47mUnited Airlines
Sat 10/187:02 amONT - FNT
1 stop6h 06mUnited Airlines
Deal found 9/30$469

Cheapflights Fare Finder

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

Fly from

Flint

Fly to

Ontario

Route

Depart

Return

Price

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Mon 11/10

2:15 pm-6:36 pm

1 stop7h 21m

Ontario

Wed 11/19

7:00 am-4:07 pm

1 stop6h 07m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Thu 11/13

4:42 pm-10:31 pm

1 stop8h 49m

Ontario

Tue 11/18

7:00 am-4:07 pm

1 stop6h 07m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Mon 11/10

2:15 pm-6:36 pm

1 stop7h 21m

Ontario

Tue 11/18

7:00 am-4:07 pm

1 stop6h 07m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Thu 11/13

4:42 pm-10:31 pm

1 stop8h 49m

Ontario

Sat 11/15

7:00 am-4:07 pm

1 stop6h 07m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 11/12

4:42 pm-10:31 pm

1 stop8h 49m

Ontario

Tue 11/18

7:00 am-4:07 pm

1 stop6h 07m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 11/12

4:42 pm-10:31 pm

1 stop8h 49m

Ontario

Wed 11/19

7:00 am-4:07 pm

1 stop6h 07m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Mon 11/10

2:15 pm-6:36 pm

1 stop7h 21m

Ontario

Sat 11/15

7:00 am-4:07 pm

1 stop6h 07m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Sat 11/15

4:42 pm-10:31 pm

1 stop8h 49m

Ontario

Tue 11/18

7:00 am-4:07 pm

1 stop6h 07m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 11/12

4:42 pm-10:31 pm

1 stop8h 49m

Ontario

Sat 11/15

7:00 am-4:07 pm

1 stop6h 07m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 10/22

4:43 pm-10:30 pm

1 stop8h 47m

Ontario

Sat 10/25

5:05 am-4:08 pm

2 stops8h 03m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Showing 1-10 of 19 results
1
2

Compare providers for flights from Flint to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Flint to Ontario in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Flint, Michigan-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Flint, Michigan-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Flint, Michigan-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Flint, Michigan-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Flint, Michigan-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Flint to Ontario

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

What is the cheapest month to book a flight from Flint, Michigan to Ontario?

Currently, August is the cheapest month in which you can book a flight from Flint, Michigan to Ontario (average of $246). Flying from Flint, Michigan to Ontario in March is currently the most expensive (average of $327). 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 FNT to ONT?

Find hourly flight availability from Flint 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 October 1, 2025.

When flying from Flint, Michigan to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 56% versus a flight in the morning.

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 October 1, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Flint to Ontario. 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.
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
11,030 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Flint to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Flint, Michigan to Ontario?

    Departing from Flint, Michigan to Ontario will take you 7h 21m. The distance between Flint, Michigan and Ontario is about 1915 mi.

  • What are the cheapest airlines flying from Flint, Michigan to Ontario round-trip?

    Our cheapest airline available from Flint, Michigan to Ontario is United Airlines. Our recent data shows that you can find tickets from as low as $317 on this airline. An additional option worth looking into is American Airlines, starting at $389. United Airlines is 45% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Flint 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 Flint, Michigan to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Flint, Michigan to Ontario (average of $246). Flying from Flint, Michigan to Ontario in March is currently the most expensive (average of $327). 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

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Top 2 airlines flying from Flint to Ontario

Discover the top 2 airlines that operate flights from Flint 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 October 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$317Average$578FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$389Average$519FlexibilityNo cancel feeOn-time71%

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