Bay City

$379+ Cheap flights from Ontario to Bay City (ONT - MBS)

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MBS
Aug 12 — Aug 191
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Cheap flight deals from Ontario to Bay City

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Bay City (MBS). 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 August 7, 2025.

Round-trip from

$379
(United Airlines)

Popular in

March

Cheapest in

October

Average price

$393
From Ontario to Bay City MBS Intl
Highest demand for flights based on searches. 21% potential increase in price ($142 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from Ontario to Bay City

Cheapest flights from Ontario to Bay City
Explore the most affordable flight options available from Ontario to Bay City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2025.

This United Airlines deal was found by Cheapflights users on 8/7. 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 11/87:00 amONT - MBS
1 stop6h 05mUnited Airlines
Tue 11/112:10 pmMBS - ONT
1 stop7h 26mUnited Airlines
Deal found 8/7$379
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/216:04 amONT - MBS
2 stops11h 56mUnited Airlines
Sat 8/234:43 pmMBS - ONT
1 stop8h 47mUnited Airlines
Deal found 8/6$505
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/216:04 amONT - MBS
2 stops11h 56mUnited Airlines
Sun 8/242:10 pmMBS - ONT
2 stops9h 33mUnited Airlines
Deal found 8/6$710
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/186:31 pmONT - MBS
2 stops18h 37mUnited Airlines
Thu 8/214:43 pmMBS - ONT
1 stop8h 47mUnited Airlines
Deal found 8/6$859

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Bay City 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 August 7, 2025.
Use the filters below to find and compare flights from Ontario to Bay City that are best for you.

Fly from

Ontario

Fly to

Bay City

Route

Depart

Return

Price

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Sat 11/8

7:00 am-4:05 pm

1 stop6h 05m

Bay City MBS Intl

Tue 11/11

2:10 pm-6:36 pm

1 stop7h 26m

$379

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Thu 8/21

6:04 am-9:00 pm

2 stops11h 56m

Bay City MBS Intl

Sat 8/23

4:43 pm-10:30 pm

1 stop8h 47m

$505

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Thu 8/21

6:04 am-9:00 pm

2 stops11h 56m

Bay City MBS Intl

Sun 8/24

2:10 pm-8:43 pm

2 stops9h 33m

$710

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Mon 8/18

6:31 pm-4:08 pm

2 stops18h 37m

Bay City MBS Intl

Thu 8/21

4:43 pm-10:30 pm

1 stop8h 47m

$859

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Tue 8/19

6:05 am-5:27 pm

2 stops8h 22m

$504

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Mon 8/18

6:05 am-5:27 pm

2 stops8h 22m

$584

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Best time to book a flight from Ontario to Bay City

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

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

Currently, April is the cheapest month in which you can book a flight from Ontario to Bay City (average of $322). Flying from Ontario to Bay City in December is currently the most expensive (average of $430). 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 Bay City

Get insights into the airlines that provide service to Bay City. 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 Bay City. Reviews last updated August 7, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Ontario to Bay City. 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.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
8.0
Very good
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from Ontario to Bay City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find deals for flights from Ontario to Bay City that include hotel bookings?

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Ontario to Bay City (average of $322). Flying from Ontario to Bay City in December is currently the most expensive (average of $430). 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

Traveling to a place near Bay City?

Book flights to Bay City if you plan to visit one of these locations
Mount Pleasant
Frankenmuth

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