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Ontario

$419+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — ONT
May 24 — May 311
Sun 5/24
Sun 5/31
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 April 24, 2026.

This United Airlines deal was found by Cheapflights users on 4/21. 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.
Wed 5/63:34 pm
FNT
-
ONT
1 stop10h 01m
United Airlines
Sun 5/107:00 am
ONT
-
FNT
1 stop8h 39m
United Airlines
Deal found 4/21$419
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:36 am
FNT
-
ONT
2 stops8h 58m
American Airlines
Sun 5/1011:59 pm
ONT
-
FNT
2 stops9h 30m
American Airlines
Deal found 4/21$429
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/133:34 pm
FNT
-
ONT
1 stop10h 01m
United Airlines
Mon 5/186:59 pm
ONT
-
FNT
2 stops11h 12m
United Airlines
Deal found 4/22$474
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:50 am
FNT
-
ONT
2 stops10h 29m
American Airlines
Mon 7/611:59 pm
ONT
-
FNT
2 stops14h 03m
American Airlines
Deal found 4/21$490
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:36 am
FNT
-
ONT
2 stops8h 58m
American Airlines
Fri 5/1511:59 pm
ONT
-
FNT
2 stops9h 30m
American Airlines
Deal found 4/21$515
This American Airlines deal was found by Cheapflights users on 4/22. 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 5/75:36 am
FNT
-
ONT
2 stops8h 58m
American Airlines
Sun 5/1011:59 pm
ONT
-
FNT
2 stops9h 30m
American Airlines
Deal found 4/22$539
This American Airlines deal was found by Cheapflights users on 4/19. 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.
Wed 5/205:36 am
FNT
-
ONT
2 stops10h 42m
American Airlines
Tue 5/2611:59 pm
ONT
-
FNT
2 stops14h 10m
American Airlines
Deal found 4/19$540
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Mon 5/43:34 pm
FNT
-
ONT
1 stop10h 01m
United Airlines
Mon 5/186:59 pm
ONT
-
FNT
2 stops11h 12m
United Airlines
Deal found 4/21$554
This United Airlines deal was found by Cheapflights users on 4/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:55 pm
FNT
-
ONT
1 stop9h 36m
United Airlines
Fri 5/87:00 am
ONT
-
FNT
1 stop8h 39m
United Airlines
Deal found 4/19$564

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 April 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$419
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$363
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
Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 24, 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 5/7

3:34 pm-10:35 pm

1 stop10h 01m

Ontario

Sun 5/10

7:00 am-6:39 pm

1 stop8h 39m

$419
Quickest round-trip

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Thu 5/7

5:36 am-11:34 am

2 stops8h 58m

Ontario

Sun 5/10

11:59 pm-12:29 pm

2 stops9h 30m

$539

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 5/6

3:34 pm-10:35 pm

1 stop10h 01m

Ontario

Sun 5/10

7:00 am-6:39 pm

1 stop8h 39m

$584

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Mon 5/4

10:09 am-8:36 pm

2 stops13h 27m

Ontario

Mon 5/18

6:59 pm-9:11 am

2 stops11h 12m

$650

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Thu 7/23

3:36 pm-10:51 pm

1 stop10h 15m

Ontario

Sun 7/26

6:30 am-7:06 pm

1 stop9h 36m

$710

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 5/20

3:34 pm-10:35 pm

1 stop10h 01m

Ontario

Sat 5/23

6:30 am-1:24 pm

1 stop27h 54m

$714

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Tue 5/19

3:34 pm-10:35 pm

1 stop10h 01m

Ontario

Tue 5/26

1:50 pm-1:24 pm

2 stops20h 34m

$739

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Tue 5/5

3:34 pm-10:35 pm

1 stop10h 01m

Ontario

Sat 5/9

7:00 am-9:29 am

1 stop23h 29m

$783
Cheapest one-way

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Fri 5/8

3:34 pm-10:35 pm

1 stop10h 01m

$454

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Mon 5/4

3:34 pm-10:35 pm

1 stop10h 01m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

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 April.
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 April 24, 2026.
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
9,643 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

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
9,643 reviews
United Airlines
7.4
Good
9,643 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

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.
American Airlines
7.1
Good
11,666 reviews
United Airlines
7.4
Good
9,643 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

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 United Airlines and American Airlines fly from Flint to Ontario in about 8h 58m. The time it takes to get you to your destination can typically vary by up to 1h 03m. 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 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.

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 April 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$299Average$519FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$317Average$532FlexibilityNo cancel feeOn-time69%

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