MBS - ONT

$564 Find Cheap Flights from Bay City to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$564
Typical prices: $439-$589
United Airlines
Wed 11/14Sat 11/17
MBS - ONT • 2 stops
Cheapest one-way
$358
Typical prices: $367-$452
Delta
Sun 4/29
MBS - ONT • 2 stops
When to travel
May
Cheapest • 22% price drop
September
Most popular
Good to know
+1
Good to know
+1
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Cheap Flights from Bay City to Ontario (MBS-ONT)

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

Recent round-trip flight deals from Bay City to Ontario

Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
5:35 am - 12:33 pmMBS  Bay City MBS Intl-ONT Ontario
9h 58m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
9:25 am - 10:11 pmONT  Ontario-MBS Bay City MBS Intl
9h 46m2 stops San Francisco Chicago O'Hare Intl
$564United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
5:35 am - 12:33 pmMBS  Bay City MBS Intl-ONT Ontario
9h 58m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
9:25 am - 10:11 pmONT  Ontario-MBS Bay City MBS Intl
9h 46m2 stops San Francisco Chicago O'Hare Intl
$600United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
1:34 pm - 6:47 pmMBS  Bay City MBS Intl-ONT Ontario
8h 13m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 10:11 pmONT  Ontario-MBS Bay City MBS Intl
13h 11m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$639United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
5:35 am - 12:33 pmMBS  Bay City MBS Intl-ONT Ontario
9h 58m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
9:25 am - 10:11 pmONT  Ontario-MBS Bay City MBS Intl
9h 46m2 stops San Francisco Chicago O'Hare Intl
$644United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
5:35 am - 3:33 pmMBS  Bay City MBS Intl-ONT Ontario
12h 58m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
1:35 pm - 12:50 pmONT  Ontario-MBS Bay City MBS Intl
20h 15m3 stops San Francisco Dallas/Fort Worth Chicago O'Hare Intl
$711United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
5:35 am - 3:33 pmMBS  Bay City MBS Intl-ONT Ontario
12h 58m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
7:00 am - 12:50 pmONT  Ontario-MBS Bay City MBS Intl
26h 50m1 stop Chicago O'Hare Intl
$712United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
5:35 am - 12:33 pmMBS  Bay City MBS Intl-ONT Ontario
9h 58m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
7:00 am - 10:11 pmONT  Ontario-MBS Bay City MBS Intl
12h 11m1 stop Chicago O'Hare Intl
$719United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
5:35 am - 3:33 pmMBS  Bay City MBS Intl-ONT Ontario
12h 58m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
7:00 am - 12:50 pmONT  Ontario-MBS Bay City MBS Intl
26h 50m1 stop Chicago O'Hare Intl
$723United Airlines
Booking Insights

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

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

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

Round-trip flights from Bay City to Ontario typically range from $439 to $589. The lowest price found in the past 5 days was $564, on United Airlines.

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Key details for Bay City to Ontario flights

Low season

January

Cheapest flight

$358
Beat the crowds with an average 89% drop in travelers.
The most popular month to fly with an average 67% increase in travelers.
One-way flight from Bay City to Ontario

When to book flights from Bay City to Ontario

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

Your Bay City to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

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

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

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

    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.

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

    Round-trip flights from Bay City to Ontario range from $439 to $589, with an average of $489 over the past 12 months. Anything below $439 counts as a good deal.

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

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $564 to $1,056. That means the highest observed fare was about 87% higher than the lowest one.

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

    One-way fares from Bay City to Ontario are currently higher than usual. Average one-way flight prices are about $808, which is 78% above the typical average for this route.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates averaging $60 for economy cars. Top options include:

    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

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

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

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

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

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

    Yes. Flexible dates can save you up to 38% on flights from Bay City to Ontario. Wednesday is the cheapest departure day at $379 round-trip on average, while Thursday is the most expensive at $609, a difference of $230.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Bay City and Ontario?

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

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

Your guide to booking Bay City to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average $379, about $230 less than Thursday fares (38% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Bay City to Ontario trip for May. Fares historically average $379 round-trip in that month - typically $1,555 less than the most expensive month, which is October (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

    • Ontario Airport Inn
    • Azure Hotel & Suites, Trademark Collection by Wyndham
    • Holiday Inn Ontario Airport By IHG

More options for your flight from Bay City to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario