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Ontario

$370+ Cheap flights from Bay City to Ontario (MBS - 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
MBS — ONT
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Bay City to Ontario

Cheapest flights from Bay City to Ontario
Explore the most affordable flight options available from Bay City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. 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.
Thu 4/22:20 pm
MBS
-
ONT
2 stops11h 25m
United Airlines
Thu 4/97:00 am
ONT
-
MBS
1 stop8h 16m
United Airlines
Deal found 1/28$404
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:58 pm
MBS
-
ONT
2 stops8h 53m
Delta
Fri 3/271:20 pm
ONT
-
MBS
2 stops24h 55m
Delta
Deal found 1/29$437
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/36:07 pm
MBS
-
ONT
2 stops8h 51m
Delta
Sat 2/710:30 pm
ONT
-
MBS
2 stops9h 46m
Delta
Deal found 1/26$460
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 4/42:25 pm
MBS
-
ONT
2 stops9h 11m
United Airlines
Wed 4/87:00 am
ONT
-
MBS
1 stop8h 16m
United Airlines
Deal found 1/28$474
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 4/42:25 pm
MBS
-
ONT
2 stops9h 11m
United Airlines
Sat 4/117:00 am
ONT
-
MBS
1 stop8h 16m
United Airlines
Deal found 1/28$499
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:58 pm
MBS
-
ONT
2 stops32h 53m
Delta
Fri 3/271:20 pm
ONT
-
MBS
2 stops24h 55m
Delta
Deal found 1/29$505
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:58 pm
MBS
-
ONT
2 stops8h 53m
Delta
Sat 3/281:20 pm
ONT
-
MBS
2 stops30h 03m
Delta
Deal found 1/29$509
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Fri 2/62:10 pm
MBS
-
ONT
2 stops11h 43m
United Airlines
Sun 2/86:00 am
ONT
-
MBS
2 stops11h 17m
United Airlines
Deal found 1/28$549
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/225:58 pm
MBS
-
ONT
2 stops32h 53m
Delta
Fri 3/271:20 pm
ONT
-
MBS
2 stops24h 55m
Delta
Deal found 1/29$554
This United Airlines deal was found by Cheapflights users on 1/28. 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 3/319:00 am
MBS
-
ONT
2 stops12h 02m
United Airlines
Sat 4/117:00 am
ONT
-
MBS
1 stop8h 16m
United Airlines
Deal found 1/28$559
This United Airlines deal was found by Cheapflights users on 1/29. 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 3/237:55 pm
MBS
-
ONT
2 stops27h 55m
United Airlines
Tue 3/315:10 am
ONT
-
MBS
2 stops29h 25m
United Airlines
Deal found 1/29$565

Find flight deals from Bay City to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Bay City (MBS) 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$404
(United Airlines)

One-way from

$370
(United Airlines)

Popular in

July

Cheapest in

September

Average price

$398
Provider with most accurate pricing for Bay City MBS Intl-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bay City MBS Intl-Ontario flights.
Search Deals
From Bay City MBS Intl to Ontario
Search Deals
One-way flight from Bay City MBS Intl to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bay City 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 January 29, 2026.
Use the filters below to find and compare flights from Bay City to Ontario that are best for you.

Fly from

Bay City

Fly to

Ontario

Route

Depart

Return

Price

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Thu 4/2

2:20 pm-10:45 pm

2 stops11h 25m

Ontario

Thu 4/9

7:00 am-6:16 pm

1 stop8h 16m

$404

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Sat 4/4

2:25 pm-8:36 pm

2 stops9h 11m

Ontario

Wed 4/8

7:00 am-6:16 pm

1 stop8h 16m

$474

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Sat 4/4

2:25 pm-8:36 pm

2 stops9h 11m

Ontario

Thu 4/9

7:00 am-6:16 pm

1 stop8h 16m

$474

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Sat 4/4

2:25 pm-8:36 pm

2 stops9h 11m

Ontario

Sat 4/11

7:00 am-6:16 pm

1 stop8h 16m

$499

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Tue 3/24

5:58 pm-11:51 pm

2 stops8h 53m

Ontario

Sat 3/28

1:20 pm-10:23 pm

2 stops30h 03m

$509

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Sun 3/22

5:58 pm-11:51 pm

2 stops32h 53m

Ontario

Fri 3/27

1:20 pm-5:15 pm

2 stops24h 55m

$554

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Tue 3/31

9:00 am-6:02 pm

2 stops12h 02m

Ontario

Sat 4/11

7:00 am-6:16 pm

1 stop8h 16m

$559

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Mon 3/23

5:58 pm-11:51 pm

2 stops32h 53m

Ontario

Sat 3/28

1:20 pm-11:10 am

2 stops18h 50m

$577

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Tue 3/3

6:11 pm-11:49 pm

2 stops8h 38m

Ontario

Fri 3/6

10:20 pm-11:15 am

2 stops9h 55m

$582

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Mon 3/23

7:55 pm-8:50 pm

2 stops27h 55m

Ontario

Tue 3/31

7:00 am-6:16 pm

1 stop8h 16m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 13 results
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2

Compare providers for flights from Bay City 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 Bay City to Ontario in January.
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 Bay City-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bay City-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bay City-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bay City-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 Bay City-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 Bay City to Ontario

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

What is the cheapest month to book a flight from Bay City to Ontario?

Currently, May is the cheapest month in which you can book a flight from Bay City to Ontario (average of $82). Flying from Bay City to Ontario in November 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.

Related info for your journey

Find useful and relevant information for your journey from Bay City 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 Bay City to Ontario?

    Airlines like United Airlines fly from Bay City to Ontario in about 11h 25m. The time it takes to get you to your destination can typically vary by up to . The distance between Bay City and Ontario is about 1903 mi.

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

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

  • How can I find direct flights from Bay City to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Bay City 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 Bay City to Ontario?

    Currently, May is the cheapest month in which you can book a flight from Bay City to Ontario (average of $82). Flying from Bay City to Ontario in November 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

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