Which airports can I use when flying from Ontario to Bay City?

Flights from Ontario to Bay City usually depart from Ontario (ONT) and arrive at Bay City MBS Intl (MBS).

What cabin classes can I book on flights from Ontario to Bay City?

Only Economy Class is available on flights from Ontario to Bay City.

Which airports do connecting flights from Ontario to Bay City pass through?

Most connecting flights from Ontario to Bay City pass through Chicago O'Hare Intl (ORD), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Can I save money by using flexible dates for flights from Ontario to Bay City?

Yes. Being flexible with your travel dates can save you up to 42% on the Ontario to Bay City route. Friday is the cheapest departure day at $465 round-trip on average, while Tuesday is the most expensive at $799, a difference of $334. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Do I need a passport to fly from Ontario to Bay City?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from Ontario to Bay City changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $469 to $1,172. That means the highest observed fare was about 2x higher than the lowest one.

How are flight prices from Ontario to Bay City looking right now?

One-way fares from Ontario to Bay City are currently higher than usual. Average one-way flight prices are about $676, which is 83% above the typical average for this route.

What is the time difference between Ontario and Bay City?

Bay City is 3 hours ahead of Ontario (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Bay City MBS Intl Airport (MBS)?

Bay City MBS Intl Airport (MBS) hosts 5 major car rental companies, with daily rates starting from around $30 for economy cars. Top options include: · Budget · Dollar · Alamo · Hertz · Avis

How much should I expect to pay for a Ontario to Bay City flight?

Round-trip flights from Ontario to Bay City range from $429 to $749, with an average of $488 over the past 12 months. Anything below $429 counts as a good deal.

What is the cheapest airline to fly from Ontario to Bay City?

United Airlines ($469) and Delta ($679) are the cheapest airlines to fly round-trip from Ontario to Bay City according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from Ontario to Bay City?

Flights via Chicago O'Hare Intl (ORD) offer the most affordable fares, with an average round-trip price of $562. Based on KAYAK data over the past 3 months.

When flying from Ontario to Bay City which airport offers the shortest layover?

Chicago O'Hare Intl (ORD) had the shortest average connection time for Ontario to Bay City layovers at 266 minutes over the past 3 months.

$295 CHEAP FLIGHTS from Ontario to Bay City (ONT - MBS)

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Cheapest round-trip

$469

Typical prices: $429-$749

United Airlines

Fri 1/26Tue 1/30

ONT - MBS • 2 stops

Cheapest one-way

$295

Typical prices: $368-$368

Delta

Mon 1/22

ONT - MBS • 2 stops

When to travel

January

Cheapest • 22% price drop

October

Most popular

Good to know

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We hope you love your trip to Bay City!

Flight Deals

Cheap Flights from Ontario to Bay City (ONT-MBS)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Bay City

Tue, Jan 26 - Sat, Jan 30

11:20 am - 11:50 pmONT Ontario-MBS Bay City MBS Intl

9h 30m2 stops San Francisco Chicago O'Hare Intl

9:17 am - 8:26 pmMBS Bay City MBS Intl-ONT Ontario

14h 09m2 stops Chicago O'Hare Intl San Francisco

$469United Airlines

Tue, Jan 26 - Sat, Jan 30

6:00 am - 8:34 pmONT Ontario-MBS Bay City MBS Intl

11h 34m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

5:00 am - 8:20 pmMBS Bay City MBS Intl-ONT Ontario

18h 20m3 stops Chicago O'Hare Intl Newark Denver Intl

$475United Airlines

Tue, Jan 26 - Sat, Jan 30

11:20 am - 11:50 pmONT Ontario-MBS Bay City MBS Intl

9h 30m2 stops San Francisco Chicago O'Hare Intl

9:17 am - 8:26 pmMBS Bay City MBS Intl-ONT Ontario

14h 09m2 stops Chicago O'Hare Intl San Francisco

$489United Airlines

Tue, Jan 26 - Sat, Jan 30

6:00 am - 8:34 pmONT Ontario-MBS Bay City MBS Intl

11h 34m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

5:00 am - 8:20 pmMBS Bay City MBS Intl-ONT Ontario

18h 20m3 stops Chicago O'Hare Intl Newark Denver Intl

$495United Airlines

Tue, Jan 26 - Sat, Jan 30

11:20 am - 11:50 pmONT Ontario-MBS Bay City MBS Intl

9h 30m2 stops San Francisco Chicago O'Hare Intl

9:17 am - 6:44 pmMBS Bay City MBS Intl-ONT Ontario

12h 27m1 stop Chicago O'Hare Intl

$568United Airlines

Tue, Jan 26 - Sat, Jan 30

11:20 am - 11:50 pmONT Ontario-MBS Bay City MBS Intl

9h 30m2 stops San Francisco Chicago O'Hare Intl

9:17 am - 6:44 pmMBS Bay City MBS Intl-ONT Ontario

12h 27m1 stop Chicago O'Hare Intl

$588United Airlines

Tue, Jan 26 - Sat, Jan 30

11:20 am - 11:50 pmONT Ontario-MBS Bay City MBS Intl

9h 30m2 stops San Francisco Chicago O'Hare Intl

9:17 am - 6:44 pmMBS Bay City MBS Intl-ONT Ontario

12h 27m1 stop Chicago O'Hare Intl

$617United Airlines

Sat, Oct 17 - Mon, Oct 19

7:00 am - 4:24 pmONT Ontario-MBS Bay City MBS Intl

6h 24m1 stop Chicago O'Hare Intl

6:37 pm - 10:49 pmMBS Bay City MBS Intl-ONT Ontario

7h 12m1 stop Chicago O'Hare Intl

$644United Airlines

Sat, Oct 17 - Mon, Oct 19

6:00 pm - 11:01 amONT Ontario-MBS Bay City MBS Intl

14h 01m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County

6:50 am - 5:12 pmMBS Bay City MBS Intl-ONT Ontario

13h 22m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl

$679Delta

Fri, Oct 16 - Mon, Oct 19

11:19 pm - 11:01 amONT Ontario-MBS Bay City MBS Intl

8h 42m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

6:50 am - 5:12 pmMBS Bay City MBS Intl-ONT Ontario

13h 22m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl

$683Delta

Booking Insights

Price, demand and travel trends for Ontario to Bay City flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Ontario to Bay City with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Ontario to Bay City?

Round-trip flights from Ontario to Bay City start at $469. Prices are typical for this route right now, with typical round-trip fares ranging from $429 to $749. The lowest price found in the past 5 days was $469 on United Airlines.

Find deals

Low season	March
High season	October
Cheapest flight	$295

Most popular time to fly and prices are also 5% lower on average.

Flight from Ontario to Bay City

When to book flights from Ontario to Bay City

Are your dates flexible? Find out the best times to travel from Ontario to Bay City based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Ontario to Bay City?
Flights from Ontario to Bay City usually depart from Ontario (ONT) and arrive at Bay City MBS Intl (MBS).
What cabin classes can I book on flights from Ontario to Bay City?
Only Economy Class is available on flights from Ontario to Bay City.
Which airports do connecting flights from Ontario to Bay City pass through?
Most connecting flights from Ontario to Bay City pass through Chicago O'Hare Intl (ORD), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from Ontario to Bay City?
Yes. Being flexible with your travel dates can save you up to 42% on the Ontario to Bay City route. Friday is the cheapest departure day at $465 round-trip on average, while Tuesday is the most expensive at $799, a difference of $334. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
Do I need a passport to fly from Ontario to Bay City?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Ontario to Bay City changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $469 to $1,172. That means the highest observed fare was about 2x higher than the lowest one.
How are flight prices from Ontario to Bay City looking right now?
One-way fares from Ontario to Bay City are currently higher than usual. Average one-way flight prices are about $676, which is 83% above the typical average for this route.
What is the time difference between Ontario and Bay City?
Bay City is 3 hours ahead of Ontario (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Bay City MBS Intl Airport (MBS)?
Bay City MBS Intl Airport (MBS) hosts 5 major car rental companies, with daily rates starting from around $30 for economy cars. Top options include:
· Budget
· Dollar
· Alamo
· Hertz
· Avis
How much should I expect to pay for a Ontario to Bay City flight?
Round-trip flights from Ontario to Bay City range from $429 to $749, with an average of $488 over the past 12 months. Anything below $429 counts as a good deal.

If your dates can be flexible, aim for a Friday departure instead of Tuesday. On this route, Friday flights average $465 - about $334 less than Tuesday (42% savings) based on the last 12 months.
If you can choose when to travel, plan your Ontario to Bay City trip for January. Fares historically average $380 round-trip in that month - typically $419 less than the most expensive month, which is July (based on the last 12 months).

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ONT - MBS

$295 Find Cheap Flights from Ontario to Bay City - Compare and Save

Everything you should know

Cheap Flights from Ontario to Bay City (ONT-MBS)

Recent round-trip flight deals from Ontario to Bay City

Recent one-way flight deals from Ontario to Bay City

Recent last minute flight deals from Ontario to Bay City

Price, demand and travel trends for Ontario to Bay City flights

How much is a round-trip flight from Ontario to Bay City?

What is the cheapest airline to fly from Ontario to Bay City?

What is the cheapest layover airport when flying from Ontario to Bay City?

When flying from Ontario to Bay City which airport offers the shortest layover?

Key details for Ontario to Bay City flights

Low season

High season

Cheapest flight

When to book flights from Ontario to Bay City

Your Ontario to Bay City flight questions, answered

Your guide to booking Ontario to Bay City flights

More options for your flight from Ontario to Bay City

Complete your trip to Bay City with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Bay City

Find direct flights to and from Ontario and Bay City

Flights from domestic origins to Bay City

Flights to other popular destinations

Find deals for your return flight