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$232+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
MBS — ONT
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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 December 15, 2025.

This Delta deal was found by Cheapflights users on 12/14. 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.
Wed 12/2411:54 amMBS - ONT
2 stops13h 39mDelta
Fri 1/910:30 pmONT - MBS
2 stops9h 46mDelta
Deal found 12/14$578
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/257:00 amMBS - ONT
2 stops8h 38mUnited Airlines
Wed 1/75:05 amONT - MBS
2 stops9h 04mUnited Airlines
Deal found 12/14$588
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/257:00 amMBS - ONT
2 stops8h 38mUnited Airlines
Thu 1/86:39 pmONT - MBS
3 stops19h 30mUnited Airlines
Deal found 12/14$593
This Delta deal was found by Cheapflights users on 12/14. 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.
Wed 12/2411:54 amMBS - ONT
2 stops13h 39mDelta
Sat 1/1010:30 pmONT - MBS
2 stops9h 46mDelta
Deal found 12/14$633
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/257:00 amMBS - ONT
2 stops8h 38mUnited Airlines
Sat 1/106:00 amONT - MBS
2 stops11h 17mUnited Airlines
Deal found 12/14$658

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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$374
(Delta)

One-way from

$232
(Delta)

Popular in

July

Cheapest in

January

Average price

$618
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. 12% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 15, 2025.
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 1/8

12:00 pm-9:05 pm

2 stops12h 05m

Ontario

Sun 1/25

10:30 pm-11:16 am

2 stops9h 46m

$374

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Thu 1/8

12:00 pm-9:05 pm

2 stops12h 05m

Ontario

Fri 1/23

10:30 pm-11:16 am

2 stops9h 46m

$374

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Sat 1/24

2:10 pm-8:58 pm

2 stops9h 48m

Ontario

Tue 1/27

5:05 am-5:09 pm

2 stops9h 04m

$409

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Thu 12/25

7:00 am-12:38 pm

2 stops8h 38m

Ontario

Wed 1/7

5:05 am-5:09 pm

2 stops9h 04m

$588

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Thu 12/25

7:00 am-12:38 pm

2 stops8h 38m

Ontario

Thu 1/8

5:05 am-8:17 pm

2 stops12h 12m

$588

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Wed 3/18

6:25 pm-10:25 pm

1 stop7h 00m

Ontario

Fri 3/20

11:59 pm-8:04 pm

1 stop17h 05m

$614

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Mon 3/9

5:50 pm-11:54 pm

2 stops9h 04m

$232

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Sun 3/8

5:50 pm-11:54 pm

2 stops9h 04m

$232

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Sun 3/8

6:25 pm-10:25 pm

1 stop7h 00m

$272

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Mon 3/9

6:25 pm-10:25 pm

1 stop7h 00m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 15 results
1
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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bay City-Ontario flight deals on Cheapflights vs. eDreams >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 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 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.

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 15, 2025.
See what other customers who have flown with United Airlines from Bay City to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,092 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

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
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

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 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 Delta and United Airlines fly from Bay City to Ontario in about 9h 48m. The time it takes to get you to your destination can typically vary by up to 2h 17m. The distance between Bay City and Ontario is about 1903 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on United Airlines is currently your cheapest option to Ontario, with prices starting at $366.

  • 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.

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Alternative routes for Bay City to Ontario

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Top airline flying from Bay City to Ontario

Discover the top airline that operate flights from Bay City 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$366Average$562FlexibilityNo cancel feeOn-time69%

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