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$191+ Cheap flights from Flint 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — ONT
Jan 29 — Feb 51
Thu 1/29
Thu 2/5
1 adult, Economy
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Cheap 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 December 30, 2025.

This United Airlines deal was found by Cheapflights users on 12/28. 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.
Sun 12/284:26 pmFNT - ONT
1 stop8h 59mUnited Airlines
Tue 12/3011:59 pmONT - FNT
1 stop12h 52mUnited Airlines
Deal found 12/28$1,562

Find 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 December 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$239
(Kiwi.com)

One-way from

$191
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$448
Provider with most accurate pricing for Flint Bishop-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Flint Bishop-Ontario flights.
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From Flint Bishop to Ontario
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One-way flight from Flint Bishop to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 30, 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 4/20

3:55 pm-10:26 pm

1 stop9h 31m

Ontario

Thu 4/30

7:00 am-7:04 pm

1 stop9h 04m

$399

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 4/22

3:55 pm-10:26 pm

1 stop9h 31m

Ontario

Thu 4/30

7:00 am-7:04 pm

1 stop9h 04m

$399

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Tue 4/21

3:55 pm-10:26 pm

1 stop9h 31m

Ontario

Thu 4/30

7:00 am-7:04 pm

1 stop9h 04m

$399

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 4/15

3:55 pm-10:26 pm

1 stop9h 31m

Ontario

Sat 4/25

7:00 am-7:04 pm

1 stop9h 04m

$399

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Tue 4/21

3:55 pm-10:26 pm

1 stop9h 31m

Ontario

Sat 4/25

7:00 am-7:04 pm

1 stop9h 04m

$399

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Fri 2/27

10:00 am-11:59 pm

2 stops16h 59m

Ontario

Sun 3/8

2:06 pm-7:07 pm

1 stop26h 01m

$422

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Mon 4/20

3:55 pm-10:26 pm

1 stop9h 31m

Ontario

Tue 4/28

7:00 am-7:04 pm

1 stop9h 04m

$424

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Thu 4/30

3:55 pm-10:26 pm

1 stop9h 31m

Ontario

Wed 5/6

7:00 am-7:04 pm

1 stop9h 04m

$424

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 4/29

3:55 pm-10:26 pm

1 stop9h 31m

Ontario

Wed 5/6

7:00 am-7:04 pm

1 stop9h 04m

$424

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Fri 4/24

3:55 pm-10:26 pm

1 stop9h 31m

Ontario

Tue 4/28

7:00 am-7:04 pm

1 stop9h 04m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 18 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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
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-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Flint-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Flint-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Flint-Ontario flights, Cheapflights users trust eDreams the most. eDreams 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-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 to Ontario?

Currently, February is the cheapest month in which you can book a flight from Flint to Ontario (average of $103). Flying from Flint to Ontario in June is currently the most expensive (average of $159). 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 December 30, 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
9,121 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

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
9,121 reviews
United Airlines
7.4
Good
9,121 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

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
11,074 reviews
United Airlines
7.4
Good
9,121 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

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 to Ontario?

    Airlines like United Airlines fly from Flint to Ontario in about 9h 31m. The time it takes to get you to your destination can typically vary by up to . The distance between Flint and Ontario is about 1915 mi.

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

    Flying on American Airlines is currently your cheapest option to Ontario, with prices starting at $299. Another option worth looking into is United Airlines, starting at $317 round trip.

  • 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 to Ontario?

    Currently, February is the cheapest month in which you can book a flight from Flint to Ontario (average of $103). Flying from Flint to Ontario in June is currently the most expensive (average of $159). 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.

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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 December 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$299Average$519FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$317Average$532FlexibilityNo cancel feeOn-time69%

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