HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$297+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — ONT
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Flint 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 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 November 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$299
(American Airlines)

One-way from

$297
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$438
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. 7% potential increase in price ($32 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 November 2025
Search Deals

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 November 18, 2025.

This American Airlines deal was found by Cheapflights users on 11/17. 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 12/910:50 amFNT - ONT
2 stops10h 29mAmerican Airlines
Sat 12/139:59 amONT - FNT
2 stops10h 33mAmerican Airlines
Deal found 11/17$389
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Sat 12/135:29 amFNT - ONT
2 stops13h 33mAmerican Airlines
Sun 12/217:18 pmONT - FNT
2 stops12h 06mAmerican Airlines
Deal found 11/18$450
This American Airlines deal was found by Cheapflights users on 11/17. 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.
Sat 12/65:29 amFNT - ONT
2 stops11h 26mAmerican Airlines
Wed 12/109:59 amONT - FNT
2 stops9h 56mAmerican Airlines
Deal found 11/17$485
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Sat 12/135:29 amFNT - ONT
2 stops13h 33mAmerican Airlines
Sat 12/207:18 pmONT - FNT
2 stops12h 19mAmerican Airlines
Deal found 11/18$500
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Sun 12/1410:50 amFNT - ONT
2 stops8h 12mAmerican Airlines
Sun 12/217:18 pmONT - FNT
2 stops12h 06mAmerican Airlines
Deal found 11/18$510
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Sat 12/135:29 amFNT - ONT
2 stops13h 33mAmerican Airlines
Thu 12/186:10 amONT - FNT
2 stops11h 15mAmerican Airlines
Deal found 11/18$524
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Sat 12/135:29 amFNT - ONT
2 stops13h 33mAmerican Airlines
Tue 12/239:53 amONT - FNT
2 stops10h 14mAmerican Airlines
Deal found 11/18$544
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/1210:50 amFNT - ONT
2 stops8h 12mAmerican Airlines
Sun 12/217:18 pmONT - FNT
2 stops12h 06mAmerican Airlines
Deal found 11/18$560
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Thu 11/204:42 pmFNT - ONT
1 stop8h 49mUnited Airlines
Thu 11/277:00 amONT - FNT
1 stop6h 07mUnited Airlines
Deal found 11/17$574
This United Airlines deal was found by Cheapflights users on 11/17. 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 11/264:42 pmFNT - ONT
1 stop8h 49mUnited Airlines
Wed 12/36:00 amONT - FNT
2 stops13h 30mUnited Airlines
Deal found 11/17$575

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 November 18, 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

Sat 4/18

3:50 pm-10:26 pm

1 stop9h 36m

Ontario

Fri 4/24

7:00 am-7:04 pm

1 stop9h 04m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 4/15

3:50 pm-10:26 pm

1 stop9h 36m

Ontario

Sat 4/18

7:00 am-7:04 pm

1 stop9h 04m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Tue 4/14

3:50 pm-10:26 pm

1 stop9h 36m

Ontario

Tue 4/21

7:00 am-7:04 pm

1 stop9h 04m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 4/15

3:50 pm-10:26 pm

1 stop9h 36m

Ontario

Tue 4/21

7:00 am-7:04 pm

1 stop9h 04m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 4/15

3:50 pm-10:26 pm

1 stop9h 36m

Ontario

Fri 4/24

7:00 am-7:04 pm

1 stop9h 04m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Tue 4/14

3:50 pm-10:26 pm

1 stop9h 36m

Ontario

Fri 4/24

7:00 am-7:04 pm

1 stop9h 04m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Tue 4/14

3:50 pm-10:26 pm

1 stop9h 36m

Ontario

Thu 4/23

7:00 am-7:04 pm

1 stop9h 04m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 4/15

3:50 pm-10:26 pm

1 stop9h 36m

Ontario

Thu 4/23

7:00 am-7:04 pm

1 stop9h 04m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Sat 4/18

3:50 pm-10:26 pm

1 stop9h 36m

Ontario

Tue 4/21

7:00 am-7:04 pm

1 stop9h 04m

$379

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Fri 1/9

1:40 pm-10:13 pm

2 stops11h 33m

Ontario

Mon 1/12

11:59 pm-1:11 pm

2 stops10h 12m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 20 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 November.
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 $104). 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.

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 November 18, 2025.

When flying from Flint to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 55% 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 November 18, 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
9,020 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

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
9,020 reviews
United Airlines
7.4
Good
9,020 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

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
11,047 reviews
United Airlines
7.4
Good
9,020 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

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 36m. 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 $104). 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.

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 Flint 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
Detroit to Las Vegas flights
Detroit to Los Angeles flights
O'Hare Intl to Santa Ana flights
Midway to Las Vegas flights
Midway to Los Angeles flights
O'Hare Intl to Ontario flights
O'Hare Intl to San Diego flights
O'Hare Intl to Palm Springs flights
Detroit to San Francisco flights
Detroit to San Diego flights
Detroit to Santa Ana flights
O'Hare Intl to Sacramento flights
Detroit to Ontario flights
O'Hare Intl to San Jose flights
Midway to San Francisco flights
O'Hare Intl to Reno flights
Grand Rapids to Las Vegas flights
O'Hare Intl to Burbank flights
Grand Rapids to Los Angeles flights
Midway to San Diego flights
Rockford to Las Vegas flights
Detroit to Burbank flights
Midway to Ontario flights
Midway to Santa Ana flights
Midway to Palm Springs flights
O'Hare Intl to Oakland flights
Detroit to Palm Springs flights
Detroit to San Jose flights
Grand Rapids to San Diego flights
South Bend to Las Vegas flights
Grand Rapids to San Francisco flights
Traverse City to Las Vegas flights
Midway to San Jose flights
Detroit to Oakland flights
Detroit to Reno flights
O'Hare Intl to Fresno flights
Flint to Las Vegas flights
Grand Rapids to Ontario flights
Midway to Reno flights
Midway to Burbank flights
Detroit to Sacramento flights
Grand Rapids to San Jose flights
Midway to Sacramento flights
O'Hare Intl to Santa Barbara flights
Flint to San Diego flights
O'Hare Intl to Long Beach flights
Grand Rapids to Santa Ana flights

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 November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$299Average$519FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$317Average$578FlexibilityNo cancel feeOn-time69%

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.