$344+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MBS
Nov 25 — Dec 21
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 October 26, 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 October 26, 2026.
This Delta deal was found by Cheapflights users on 10/22. 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.
Fri 11/66:00 pm -
2 stops14h 01m
Tue 11/103:50 pm -
2 stops10h 59m
Deal found 10/22![Delta logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/37:00 am -
1 stop6h 29m
Thu 12/109:15 am -
2 stops14h 23m
Deal found 10/23![United Airlines logo]()
$604
This United Airlines deal was found by Cheapflights users on 10/21. 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 10/316:00 am -
2 stops13h 12m
Sat 11/71:34 pm -
1 stop8h 13m
Deal found 10/21![United Airlines logo]()
$639
This Delta deal was found by Cheapflights users on 10/21. 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 12/1910:35 pm -
2 stops21h 10m
Sun 1/35:45 pm -
2 stops20h 42m
Deal found 10/21![Delta logo]()
$700
This Delta deal was found by Cheapflights users on 10/21. 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 12/2411:10 am -
2 stops32h 35m
Mon 1/46:05 pm -
2 stops21h 25m
Deal found 10/21![Delta logo]()
$728
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/2411:52 pm -
1 stop10h 06m
Tue 1/56:00 am -
2 stops18h 00m
Deal found 10/21![United Airlines logo]()
$743
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 October 26, 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 October 26, 2026.
This Delta deal was found by Cheapflights users on 10/22. 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.
Fri 11/66:00 pm -
2 stops14h 01m
Tue 11/103:50 pm -
2 stops10h 59m
Deal found 10/22![Delta logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/25. 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 1/269:45 am -
2 stops11h 14m
Sat 1/302:12 pm -
1 stop7h 38m
Deal found 10/25![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/37:00 am -
1 stop6h 29m
Thu 12/109:15 am -
2 stops14h 23m
Deal found 10/23![United Airlines logo]()
$604
Last-minute flights from Ontario to Bay CityDiscover last-minute flight deals from Ontario to Bay City. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Bay City. Data last updated October 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/21. 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 10/316:00 am -
2 stops13h 12m
Sat 11/71:34 pm -
1 stop8h 13m
Deal found 10/21![United Airlines logo]()
$639
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/49:25 am -
2 stops9h 46m
Wed 11/115:35 am -
2 stops15h 26m
Deal found 10/21![United Airlines logo]()
$976
This Delta deal was found by Cheapflights users on 10/22. 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.
Fri 11/66:00 pm -
2 stops14h 01m
Tue 11/103:50 pm -
2 stops10h 59m
Deal found 10/22![Delta logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Fri 11/67:00 am -
1 stop26h 59m
Tue 11/105:35 am -
2 stops12h 58m
Deal found 10/22![United Airlines logo]()
$842
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Thu 11/126:37 pm -
2 stops15h 12m
Sun 11/155:35 am -
2 stops12h 58m
Deal found 10/24![United Airlines logo]()
$777
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 11/217:00 am -
1 stop7h 57m
Sun 11/225:35 am -
2 stops9h 58m
Deal found 10/22![United Airlines logo]()
$892
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 October 26, 2026.
Search for one-way flight options from Ontario to Bay City. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/15:00 am -
2 stops32h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$344
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 12/1910:35 pm -
2 stops9h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$354
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/15:00 am -
2 stops15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$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.
Fri 12/1812:20 pm -
2 stops25h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$463
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 1/310:35 pm -
2 stops9h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$498
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 11/216:00 am -
2 stops27h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$512
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1911:52 pm -
1 stop20h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$628
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 1/210:35 pm -
2 stops9h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$635
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/311:52 pm -
1 stop10h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$723
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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $499 (Delta) |
One-way from | $344 (United Airlines) |
Popular in | October |
Cheapest in | April |
Average price | $658 |
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 October 26, 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 1/1
5:00 am-11:50 pm
2 stops15h 50m
Bay City MBS Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$399
Quickest round-trip
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Tue 12/1
7:00 am-4:29 pm
1 stop6h 29m
Bay City MBS Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$432
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Fri 12/18
12:20 pm-5:04 pm
2 stops25h 44m
Bay City MBS Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$463
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Fri 11/6
6:00 pm-11:01 am
2 stops14h 01m
Bay City MBS Intl
Tue 11/10
3:50 pm-11:49 pm
2 stops10h 59m
$499
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Sat 11/21
6:00 am-12:47 pm
2 stops27h 47m
Bay City MBS Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$512
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Tue 1/26
9:45 am-11:59 pm
2 stops11h 14m
Bay City MBS Intl
Sat 1/30
2:12 pm-6:50 pm
1 stop7h 38m
$524
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Thu 12/3
7:00 am-4:29 pm
1 stop6h 29m
Bay City MBS Intl
Thu 12/10
9:15 am-8:38 pm
2 stops14h 23m
$604
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Sat 12/19
11:52 pm-11:50 pm
1 stop20h 58m
Bay City MBS Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$628
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Sat 1/2
10:35 pm-11:24 am
2 stops9h 49m
Bay City MBS Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$635
OntarioBay City
ONT Ontario - MBS Bay City MBS Intl
ONTMBS
Ontario
Sat 1/2
11:52 pm-12:58 pm
1 stop10h 06m
Bay City MBS Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$972
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 October.
| 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 locationsAlma
Mount Pleasant
Frankenmuth
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