$295+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MBS
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Bay City with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Bay City
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Best
Last-minute
One-way
Cheapest flights from Ontario to Bay CityExplore 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 September 10, 2026.
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 September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/177:00 am -
1 stop6h 24m
Mon 10/196:37 pm -
1 stop7h 12m
Deal found 9/7![United Airlines logo]()
$644
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 pm -
2 stops14h 01m
Mon 10/196:50 am -
2 stops13h 22m
Deal found 9/6![Delta logo]()
$679
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:19 pm -
2 stops8h 42m
Mon 10/196:50 am -
2 stops13h 22m
Deal found 9/7![Delta logo]()
$683
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 10/169:25 am -
2 stops11h 24m
Mon 10/196:37 pm -
1 stop7h 12m
Deal found 9/7![United Airlines logo]()
$704
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Wed 10/75:00 am -
2 stops15h 49m
Wed 10/146:37 pm -
1 stop7h 12m
Deal found 9/7![United Airlines logo]()
$734
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/255:00 am -
2 stops15h 49m
Tue 9/297:01 pm -
1 stop6h 48m
Deal found 9/10![United Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 9/161:56 pm -
2 stops25h 10m
Tue 9/227:03 pm -
1 stop6h 56m
Deal found 9/6![United Airlines logo]()
$802
Best flights from Ontario to Bay CityDiscover carefully curated flight deals from Ontario to Bay City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Ontario to Bay City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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 1/2611:20 am -
2 stops9h 30m
Sat 1/309:17 am -
2 stops14h 09m
Deal found 9/9![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 pm -
2 stops14h 01m
Mon 10/196:50 am -
2 stops13h 22m
Deal found 9/6![Delta logo]()
$679
Last-minute flights from Ontario to Bay CityDiscover last-minute flight deals from Ontario to Bay City. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Bay City. Data last updated September 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 9/161:56 pm -
2 stops25h 10m
Tue 9/227:03 pm -
1 stop6h 56m
Deal found 9/6![United Airlines logo]()
$802
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/255:00 am -
2 stops15h 49m
Tue 9/297:01 pm -
1 stop6h 48m
Deal found 9/10![United Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Wed 10/75:00 am -
2 stops15h 49m
Wed 10/146:37 pm -
1 stop7h 12m
Deal found 9/7![United Airlines logo]()
$734
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:19 pm -
2 stops8h 42m
Mon 10/196:50 am -
2 stops13h 22m
Deal found 9/7![Delta logo]()
$683
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 10/169:25 am -
2 stops11h 24m
Mon 10/196:37 pm -
1 stop7h 12m
Deal found 9/7![United Airlines logo]()
$704
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/177:00 am -
1 stop6h 24m
Mon 10/196:37 pm -
1 stop7h 12m
Deal found 9/7![United Airlines logo]()
$644
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 pm -
2 stops14h 01m
Mon 10/196:50 am -
2 stops13h 22m
Deal found 9/6![Delta logo]()
$679
One-way flights from Ontario to Bay CitySearch for one-way flight options from Ontario to Bay City. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Ontario to Bay City. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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 1/227:00 am -
2 stops12h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$295
This Delta deal was found by Cheapflights users on 9/8. 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 1/187:00 am -
2 stops12h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$445
This United Airlines deal was found by Cheapflights users on 9/8. 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 1/226:00 am -
3 stops11h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 9/6. 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 9/241:24 pm -
2 stops24h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 9/8. 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 1/186:00 am -
3 stops11h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$664
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $469 (United Airlines) |
One-way from | $295 (Delta) |
Popular in | July |
Cheapest in | April |
Average price | $494 |
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 7,457,451 searches. Data last updated September 10, 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
Cheapest round-trip
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Fri 1/22
7:00 am-10:16 pm
2 stops12h 16m
Bay City MBS Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$295
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Mon 1/18
7:00 am-10:16 pm
2 stops12h 16m
Bay City MBS Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$445
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Tue 1/26
11:20 am-11:50 pm
2 stops9h 30m
Bay City MBS Intl
Sat 1/30
9:17 am-8:26 pm
2 stops14h 09m
$469
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Fri 1/22
6:00 am-8:34 pm
3 stops11h 34m
Bay City MBS Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$511
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Thu 9/24
1:24 pm-4:24 pm
2 stops24h 00m
Bay City MBS Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$538
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Sat 10/17
6:00 pm-11:01 am
2 stops14h 01m
Bay City MBS Intl
Mon 10/19
6:50 am-5:12 pm
2 stops13h 22m
$679
Quickest round-trip
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Mon 1/18
7:00 am-8:34 pm
1 stop10h 34m
Bay City MBS Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$727
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
ONT-MBS
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.
Traveling to a place near Bay City?
Book flights to Bay City if you plan to visit one of these locationsMount Pleasant
Frankenmuth
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