What is the cheapest airline that flies from Ontario to Michigan?

American Airlines, Delta, and Southwest are the most popular carriers operating from Ontario to Michigan

How many flights depart from Ontario to Michigan on average per week?

8 flights are operational weekly from Ontario to Michigan as of March 2026. The most popular departure day for this route is Tue, with 25% of flights per week taking off on this day.

What airlines fly to Michigan?

Spirit Airlines, Delta and American Airlines are the top three most popular airlines that fly to Michigan from Ontario according to our data. Spirit Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Michigan. Keep in mind that there are 8 different airlines that fly to Michigan on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario Airport to Michigan?

Prices for flights from Ontario Airport to Michigan were last updated today.

How many operators does momondo search for flights from Ontario Airport to Michigan?

As of March 2026, there are 6 operators available to choose from for flights from Ontario Airport to Michigan.

How old do you have to be to fly from Ontario Airport to Michigan?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Michigan.

What documentation or ID do you need to fly to Michigan?

The travel and health documents required for your trip to Michigan can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Michigan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$79 Cheap Flights from Ontario to Michigan in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ontario to Michigan

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:59 am - 10:58 am

ONT

DTW

6h 59m

1 stop

10:27 pm - 11:55 pm

DTW

ONT

28h 28m

1 stop

$160Frontier

Thu, Apr 16 - Mon, Apr 20

8:26 am - 12:47 pm

ONT

DTW

25h 21m

1 stop

10:27 pm - 7:31 am

DTW

ONT

12h 04m

1 stop

$162Frontier

Thu, Apr 23 - Sun, Apr 26

11:55 pm - 5:40 am

ONT

MDW

3h 45mnonstop

11:00 am - 1:15 pm

MDW

ONT

4h 15mnonstop

$297Southwest

Tue, Apr 28 - Tue, May 5

11:55 pm - 5:40 am

ONT

MDW

3h 45mnonstop

11:00 am - 1:15 pm

MDW

ONT

4h 15mnonstop

$307Southwest

Fri, Apr 10 - Tue, Apr 14

12:57 pm - 10:31 pm

ONT

MDW

7h 34m

1 stop

1:24 pm - 9:00 pm

MDW

ONT

9h 36m

2 stops

$322Delta

Wed, Apr 8 - Tue, Apr 14

6:00 am - 5:56 pm

ONT

MDW

9h 56m

2 stops

1:22 pm - 11:34 pm

MDW

ONT

12h 12m

2 stops

$327Delta

Wed, May 20 - Tue, May 26

7:35 pm - 9:25 am

ONT

GRR

10h 50m

2 stops

7:15 pm - 11:46 pm

GRR

ONT

7h 31m

1 stop

$330American Airlines

Thu, May 7 - Mon, May 11

11:59 pm - 11:57 am

ONT

SBN

8h 58m

1 stop

4:55 pm - 11:46 pm

SBN

ONT

9h 51m

1 stop

$369American Airlines

Thu, Apr 30 - Mon, May 11

7:00 am - 6:40 pm

ONT

MBS

8h 40m

1 stop

2:25 pm - 10:45 pm

MBS

ONT

11h 20m

2 stops

$374United Airlines

Sat, Apr 18 - Sat, Apr 25

5:10 am - 6:40 pm

ONT

MBS

10h 30m

2 stops

2:25 pm - 10:45 pm

MBS

ONT

11h 20m

2 stops

$393United Airlines

Sat, Apr 18 - Sat, Apr 25

Alaska Airlines flights from Ontario to Michigan

Our best Alaska Airlines deals on Ontario to Michigan flight tickets

Alaska Airlines

Apr 22

ONT6:00 amOntario

8h 56m

1 stop

ORD4:56 pmChicago O'Hare Intl

Apr 28

ORD6:00 amChicago O'Hare Intl

10h 32m

1 stop

ONT2:32 pmOntario

$317

Alaska Airlines

Apr 22

ONT6:00 amOntario

13h 23m

2 stops

GRR10:23 pmGrand Rapids Gerald R. Ford Intl

Apr 25

GRR6:43 amGrand Rapids Gerald R. Ford Intl

10h 49m

2 stops

ONT2:32 pmOntario

$517

Alaska Airlines

Apr 6

ONT7:08 pmOntario

13h 38m

2 stops

GRR11:46 amGrand Rapids Gerald R. Ford Intl

Apr 10

GRR12:16 pmGrand Rapids Gerald R. Ford Intl

11h 07m

2 stops

ONT8:23 pmOntario

$741

Frontier flights from Ontario to Michigan

Our best Frontier deals on Ontario to Michigan flight tickets

Frontier

Apr 16

ONT12:59 amOntario

6h 59m

1 stop

DTW10:58 amDetroit Metropolitan Wayne County

Apr 20

DTW10:27 pmDetroit Metropolitan Wayne County

28h 28m

1 stop

ONT11:55 pmOntario

$160

Frontier

Apr 23

ONT8:26 amOntario

25h 21m

1 stop

DTW12:47 pmDetroit Metropolitan Wayne County

Apr 26

DTW10:27 pmDetroit Metropolitan Wayne County

12h 04m

1 stop

ONT7:31 amOntario

$162

Frontier

Apr 23

ONT12:59 amOntario

6h 59m

1 stop

DTW10:58 amDetroit Metropolitan Wayne County

Apr 27

DTW10:27 pmDetroit Metropolitan Wayne County

28h 28m

1 stop

ONT11:55 pmOntario

$167

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 4/16

12:59 am-10:58 am

1 stop6h 59m

Detroit Metropolitan Wayne County

Mon 4/20

10:27 pm-11:55 pm

1 stop28h 28m

$160

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 4/23

8:26 am-12:47 pm

1 stop25h 21m

Detroit Metropolitan Wayne County

Sun 4/26

10:27 pm-7:31 am

1 stop12h 04m

$162

Quickest round-trip

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Tue 4/28

11:55 pm-5:40 am

Nonstop3h 45m

Chicago Midway

Tue 5/5

11:00 am-1:15 pm

Nonstop4h 15m

$297

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Fri 4/10

11:55 pm-5:40 am

Nonstop3h 45m

Chicago Midway

Tue 4/14

11:00 am-1:15 pm

Nonstop4h 15m

$307

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Wed 4/8

12:57 pm-10:31 pm

1 stop7h 34m

Chicago Midway

Tue 4/14

1:24 pm-9:00 pm

2 stops9h 36m

$322

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Wed 5/20

6:00 am-5:56 pm

2 stops9h 56m

Chicago Midway

Tue 5/26

1:22 pm-11:34 pm

2 stops12h 12m

$327

OntarioGrand Rapids

ONT - GRR

ONTGRR

Ontario

Thu 5/7

7:35 pm-9:25 am

2 stops10h 50m

Grand Rapids Gerald R. Ford Intl

Mon 5/11

7:15 pm-11:46 pm

1 stop7h 31m

$330

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Thu 4/30

11:59 pm-11:57 am

1 stop8h 58m

South Bend/Michiana

Mon 5/11

4:55 pm-11:46 pm

1 stop9h 51m

$369

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Sat 4/18

7:00 am-6:40 pm

1 stop8h 40m

Bay City MBS Intl

Sat 4/25

2:25 pm-10:45 pm

2 stops11h 20m

$374

OntarioBay City

ONT - MBS

ONTMBS

Ontario

Sat 4/18

5:10 am-6:40 pm

2 stops10h 30m

Bay City MBS Intl

Sat 4/25

2:25 pm-10:45 pm

2 stops11h 20m

$393

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Michigan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Michigan?

If you aren’t able to travel to Michigan during the month of September, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $365.

How far in advance should I book a flight to Michigan?

You are more likely to see cheaper flights to Michigan from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Michigan for around $411 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Michigan from Ontario for as low as $317 on momondo.

Can stopping save me money on Ontario to Michigan flights?

You could potentially save up to 3% on your flight if you consider stops on a Ontario to Michigan flight.

Cheap Ontario to Michigan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Michigan

Fastest flight time	3h 45m
Direct flights	Every day
Airports in Michigan	115 airports

The fastest flight from Ontario to Michigan takes 3h 45m

Direct flights go from Ontario to Michigan every day.

There are 115 airports in Michigan. From Ontario there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).

Search flight deals

When did momondo last update prices for flights from Ontario Airport to Michigan?
Prices for flights from Ontario Airport to Michigan were last updated today.
How many operators does momondo search for flights from Ontario Airport to Michigan?
As of March 2026, there are 6 operators available to choose from for flights from Ontario Airport to Michigan.
How old do you have to be to fly from Ontario Airport to Michigan?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Michigan.
What documentation or ID do you need to fly to Michigan?
The travel and health documents required for your trip to Michigan can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Michigan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Michigan

Compare and see reviews for airlines that fly from Ontario to Michigan with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $128	Free Cancellation	Rating 6.3 8,534 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $170	Free Cancellation	Rating 5.7 3,018 reviews	Search Frontier flights
Delta	PriceFrom $188	Free Cancellation	Rating 7.9 8,322 reviews	Search Delta flights
American Airlines	PriceFrom $272	Free Cancellation	Rating 7.1 11,491 reviews	Search American Airlines flights
United Airlines	PriceFrom $279	Free Cancellation	Rating 7.4 9,469 reviews	Search United Airlines flights
Southwest	PriceFrom $288	Free Cancellation	Rating 8.0 4,331 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Michigan?

It is quick and easy to find Ontario to Michigan flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Michigan that suits you.

Can I find flights from Ontario to Michigan with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Michigan flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Michigan?

momondo helps you find the best flight between Ontario and Michigan by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Michigan right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Michigan now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Michigan and let you know when they change.