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$242+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
MBS — ONT
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find 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 October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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 12/112:10 pmMBS - ONT
2 stops11h 39mUnited Airlines
Mon 12/156:00 amONT - MBS
2 stops11h 07mUnited Airlines
Deal found 10/28$539
This Delta deal was found by Cheapflights users on 10/26. 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.
Mon 12/83:05 pmMBS - ONT
2 stops10h 59mDelta
Wed 12/106:00 amONT - MBS
2 stops8h 35mDelta
Deal found 10/26$1,307
This Delta deal was found by Cheapflights users on 10/26. 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.
Sun 12/73:05 pmMBS - ONT
2 stops10h 59mDelta
Wed 12/106:00 amONT - MBS
2 stops8h 35mDelta
Deal found 10/26$1,308
This Delta deal was found by Cheapflights users on 10/26. 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.
Fri 12/53:05 pmMBS - ONT
2 stops11h 53mDelta
Tue 12/910:25 pmONT - MBS
2 stops9h 34mDelta
Deal found 10/26$1,309
This Delta deal was found by Cheapflights users on 10/26. 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.
Thu 12/113:05 pmMBS - ONT
2 stops11h 53mDelta
Mon 12/1510:25 pmONT - MBS
2 stops9h 34mDelta
Deal found 10/26$1,379
This Delta deal was found by Cheapflights users on 10/26. 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.
Sat 12/611:39 amMBS - ONT
2 stops13h 26mDelta
Tue 12/910:25 pmONT - MBS
2 stops9h 34mDelta
Deal found 10/26$1,398
This Delta deal was found by Cheapflights users on 10/26. 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.
Sun 12/73:05 pmMBS - ONT
2 stops10h 59mDelta
Tue 12/910:25 pmONT - MBS
2 stops9h 34mDelta
Deal found 10/26$1,399
This Delta deal was found by Cheapflights users on 10/26. 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.
Thu 12/113:05 pmMBS - ONT
2 stops11h 53mDelta
Fri 12/1210:25 pmONT - MBS
2 stops13h 00mDelta
Deal found 10/26$1,469

Cheap 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$299
(Delta)

One-way from

$242
(Delta)

Popular in

February

Cheapest in

November

Average price

$428
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.
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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. 3% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 29, 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

Tue 4/21

3:30 pm-11:44 pm

2 stops11h 14m

Ontario

Tue 4/28

10:59 pm-11:13 am

2 stops9h 14m

$299

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Sat 4/18

3:30 pm-11:44 pm

2 stops11h 14m

Ontario

Tue 4/28

10:59 pm-11:13 am

2 stops9h 14m

$299

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Tue 4/21

3:30 pm-11:44 pm

2 stops11h 14m

Ontario

Sat 4/25

10:59 pm-11:13 am

2 stops9h 14m

$334

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Sat 4/18

3:30 pm-11:44 pm

2 stops11h 14m

Ontario

Sat 4/25

10:59 pm-11:13 am

2 stops9h 14m

$334

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Tue 4/21

3:30 pm-11:44 pm

2 stops11h 14m

Ontario

Mon 4/27

10:59 pm-11:13 am

2 stops9h 14m

$334

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Sat 2/7

12:00 pm-9:07 pm

2 stops12h 07m

Ontario

Fri 2/13

10:30 pm-11:20 am

2 stops9h 50m

$364

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Sat 4/18

3:30 pm-11:44 pm

2 stops11h 14m

Ontario

Fri 4/24

10:59 pm-11:13 am

2 stops9h 14m

$364

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Thu 4/16

4:45 pm-10:26 pm

1 stop8h 41m

Ontario

Wed 4/29

7:00 am-4:12 pm

1 stop6h 12m

$379

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Mon 4/20

4:45 pm-10:26 pm

1 stop8h 41m

Ontario

Wed 4/29

7:00 am-4:12 pm

1 stop6h 12m

$379

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Sat 4/18

4:45 pm-10:26 pm

1 stop8h 41m

Ontario

Sat 4/25

7:00 am-4:12 pm

1 stop6h 12m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 14 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 October.
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 $83). Flying from Bay City to Ontario in November is currently the most expensive (average of $158). 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 October 29, 2025.
See what other customers who have flown with Delta and 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.
Delta
7.9
Good
7,992 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,999 reviews
Delta
7.9
Good
7,992 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 fly from Bay City to Ontario in about 11h 14m. 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.

  • What are the cheapest airlines flying from Bay City to Ontario round-trip?

    Flying on Delta is currently your cheapest option to Ontario, with prices starting at $298. Another option worth looking into is United Airlines, starting at $366 round trip.

  • 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 $83). Flying from Bay City to Ontario in November is currently the most expensive (average of $158). 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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Top 2 airlines flying from Bay City to Ontario

Discover the top 2 airlines 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$298Average$398FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$366Average$562FlexibilityNo cancel feeOn-time69%

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