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Ontario

$366+ Cheap flights from Flint to Ontario (FNT - ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — ONT
Jun 22 — Jun 291
Mon 6/22
Mon 6/29
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 May 23, 2026.

This United Airlines deal was found by Cheapflights users on 5/20. 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 10/26:31 pm
FNT
-
ONT
1 stop6h 55m
United Airlines
Tue 10/67:00 am
ONT
-
FNT
1 stop7h 57m
United Airlines
Deal found 5/20$366
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:30 am
FNT
-
ONT
1 stop10h 01m
Multiple Airlines
Wed 10/72:58 pm
ONT
-
FNT
1 stop22h 31m
Multiple Airlines
Deal found 5/20$370
This American Airlines deal was found by Cheapflights users on 5/20. 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 9/296:06 am
FNT
-
ONT
2 stops8h 23m
American Airlines
Tue 10/610:29 am
ONT
-
FNT
2 stops9h 12m
American Airlines
Deal found 5/20$459
This United Airlines deal was found by Cheapflights users on 5/20. 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 9/296:31 pm
FNT
-
ONT
1 stop6h 55m
United Airlines
Wed 10/77:00 am
ONT
-
FNT
1 stop7h 57m
United Airlines
Deal found 5/20$479
This American Airlines deal was found by Cheapflights users on 5/20. 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 10/26:06 am
FNT
-
ONT
2 stops8h 23m
American Airlines
Tue 10/610:29 am
ONT
-
FNT
2 stops9h 12m
American Airlines
Deal found 5/20$490
This American Airlines deal was found by Cheapflights users on 5/19. 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 7/25:29 am
FNT
-
ONT
2 stops9h 34m
American Airlines
Mon 7/67:14 pm
ONT
-
FNT
2 stops18h 56m
American Airlines
Deal found 5/19$504
This United Airlines deal was found by Cheapflights users on 5/20. 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 9/296:31 pm
FNT
-
ONT
1 stop6h 55m
United Airlines
Sat 10/35:00 am
ONT
-
FNT
2 stops15h 54m
United Airlines
Deal found 5/20$520
This United Airlines deal was found by Cheapflights users on 5/21. 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 10/246:31 pm
FNT
-
ONT
1 stop6h 55m
United Airlines
Wed 10/287:00 am
ONT
-
FNT
1 stop8h 48m
United Airlines
Deal found 5/21$524

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 May 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$504
(American Airlines)

One-way from

$381
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$398
Provider with most accurate pricing for Flint Bishop-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Flint Bishop-Ontario flights.
Search Deals
From Flint Bishop to Ontario
Search Deals
One-way flight from Flint Bishop to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 23, 2026.
Use the filters below to find and compare flights from Flint to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Thu 7/9

5:40 pm-9:29 am

2 stops18h 49m

Ontario

Sun 7/12

11:59 pm-5:10 pm

2 stops14h 11m

$676

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Thu 8/13

6:27 pm-7:57 pm

1 stop28h 30m

Ontario

Sun 8/16

7:00 am-5:52 pm

1 stop7h 52m

$822

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 6/17

6:25 am-10:51 pm

1 stop19h 26m

Ontario

Tue 6/23

6:05 am-1:46 pm

1 stop28h 41m

$841

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 6/3

2:24 pm-10:37 pm

2 stops11h 13m

Ontario

Mon 6/8

6:05 am-8:23 pm

1 stop11h 18m

$853

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Thu 7/2

2:27 pm-10:51 pm

1 stop11h 24m

Ontario

Mon 7/6

1:50 pm-8:23 pm

2 stops27h 33m

$855
Quickest round-trip

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 6/24

2:24 pm-9:55 pm

2 stops10h 31m

Ontario

Sat 6/27

6:10 am-8:23 pm

1 stop11h 13m

$891

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Fri 5/29

2:25 pm-10:37 pm

2 stops11h 12m

Ontario

Mon 6/1

5:00 am-8:23 pm

2 stops12h 23m

$899

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 6/17

6:25 am-10:51 pm

1 stop19h 26m

Ontario

Wed 6/24

5:45 am-12:48 pm

2 stops28h 03m

$939
Cheapest one-way

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Mon 8/17

6:27 pm-12:50 pm

2 stops21h 23m

$381

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Fri 7/3

2:27 pm-10:37 pm

2 stops11h 10m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 17 resultsSorted by cheapest first
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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Flint-Ontario flight deals on Cheapflights vs. FlightHub >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 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-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.

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 May 23, 2026.
Read reviews from past customers who have flown United 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
9,751 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

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
9,751 reviews
United Airlines
7.4
Good
9,751 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

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 American Airlines and United Airlines fly from Flint to Ontario in about 18h 49m. The time it takes to get you to your destination can typically vary by up to 9h 41m. The distance between Flint and Ontario is about 1915 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Flint to Ontario round-trip?

    Flying on United Airlines is currently your cheapest option to Ontario, with prices starting at $317.

  • 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.

See more FAQs

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Alternative routes for Flint to Ontario

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Top airline flying from Flint to Ontario

Discover the top airline 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 May 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$317Average$532FlexibilityNo cancel feeOn-time69%

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