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$384+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MBS
Jun 26 — Jul 31
Fri 6/26
Fri 7/3
1 adult, Economy
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Cheap 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 May 27, 2026.

This Delta deal was found by Cheapflights users on 5/22. 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 9/39:55 am
ONT
-
MBS
2 stops9h 18m
Delta
Mon 9/76:00 am
MBS
-
ONT
2 stops9h 29m
Delta
Deal found 5/22$384
This United Airlines deal was found by Cheapflights users on 5/22. 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 11/37:00 am
ONT
-
MBS
1 stop6h 12m
United Airlines
Sat 11/74:40 pm
MBS
-
ONT
1 stop8h 46m
United Airlines
Deal found 5/22$475
This United Airlines deal was found by Cheapflights users on 5/24. 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.
Sun 8/237:00 am
ONT
-
MBS
1 stop8h 06m
United Airlines
Sat 8/299:00 am
MBS
-
ONT
2 stops12h 12m
United Airlines
Deal found 5/24$652
This United Airlines deal was found by Cheapflights users on 5/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:45 am
ONT
-
MBS
2 stops13h 25m
United Airlines
Sat 5/306:00 am
MBS
-
ONT
2 stops14h 56m
United Airlines
Deal found 5/26$689
This United Airlines deal was found by Cheapflights users on 5/24. 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 9/297:00 am
ONT
-
MBS
1 stop8h 06m
United Airlines
Sat 10/37:02 pm
MBS
-
ONT
2 stops30h 57m
United Airlines
Deal found 5/24$712

Find 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 May 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$384
(Delta)

Popular in

July

Cheapest in

September

Average price

$409
Provider with most accurate pricing for Ontario-Bay City MBS Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Bay City MBS Intl flights.
Search Deals
From Ontario to Bay City MBS Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 27, 2026.
Use the filters below to find and compare flights from Ontario to Bay City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Tue 11/3

7:00 am-4:12 pm

1 stop6h 12m

Bay City MBS Intl

Sat 11/7

1:50 pm-11:06 pm

2 stops12h 16m

$485

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Tue 9/29

9:39 am-11:48 pm

2 stops11h 09m

Bay City MBS Intl

Sat 10/3

7:02 pm-12:12 pm

2 stops20h 10m

$717

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Sun 8/23

6:00 am-11:54 pm

2 stops14h 54m

Bay City MBS Intl

Sat 8/29

9:00 am-6:12 pm

2 stops12h 12m

$751
Quickest round-trip

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Fri 10/16

7:00 am-6:06 pm

1 stop8h 06m

Bay City MBS Intl

Fri 10/30

4:40 pm-10:26 pm

1 stop8h 46m

$766

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Thu 9/3

7:13 pm-11:54 pm

2 stops25h 41m

Bay City MBS Intl

Mon 9/7

7:03 pm-7:57 pm

1 stop27h 54m

$820
Cheapest one-way

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Thu 7/16

6:10 am-11:55 pm

1 stop14h 45m

$537

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Mon 6/8

10:00 pm-11:08 am

2 stops10h 08m

$561
Quickest one-way

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Sun 6/7

9:40 am-10:40 pm

2 stops10h 00m

$632

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Tue 6/2

6:39 pm-1:12 pm

2 stops15h 33m

$841

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Mon 6/8

6:05 am-11:55 pm

1 stop14h 50m

$1,028

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

Sorted by cheapest first

Compare providers for flights from Ontario to Bay City

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

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.

  • How long is the flight from Ontario to Bay City?

    A quick flight from Ontario to Bay City can take about 6h 12m. United Airlines provides one of the quickest options available for as low as $485. The distance from Ontario to Bay City is about 1903 mi.

  • 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.

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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