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

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

What airlines fly to Ontario?

Spirit Airlines, Delta and American Airlines are the top three most popular airlines that fly to Ontario from Michigan according to our data. Spirit Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 8 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

6 flights are operational weekly from Michigan to Ontario as of May 2026. The most popular departure day for this route is Fri, with 33% of flights per week taking off on this day.

How long does it take to fly to Ontario?

Average flight duration from Michigan to Ontario depends on which airport you fly into and out of. Flying from Detroit to Los Angeles is 4h 44m on average, while flying from Grand Rapids to Los Angeles is 6h 35m on average. Los Angeles is the most popular airport in Ontario.

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

Prices for flights from Michigan to Ontario Airport refresh daily.

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

The number of operators available for flights from Michigan to Ontario Airport is 5 as of May 2026.

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

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 Michigan to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario Airport 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 Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$59 Cheap Flights from Michigan to Ontario in 2026

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Find the cheapest flights from Michigan to Los Angeles

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:37 pm - 11:49 pm

ORD

ONT

28h 12m

1 stop

8:06 pm - 11:01 pm

ONT

ORD

24h 55m

1 stop

$185Frontier

Tue, May 26 - Fri, May 29

9:37 pm - 11:49 pm

ORD

ONT

28h 12m

1 stop

8:06 pm - 11:01 pm

ONT

ORD

24h 55m

1 stop

$196Frontier

Tue, May 26 - Tue, Jun 2

2:05 pm - 10:05 pm

MDW

ONT

10h 00m

1 stop

11:55 pm - 5:45 am

ONT

MDW

3h 50mnonstop

$215Southwest

Wed, Aug 5 - Tue, Aug 11

6:10 am - 11:35 am

MDW

ONT

7h 25m

1 stop

4:35 pm - 12:05 am

ONT

MDW

5h 30m

1 stop

$219Southwest

Wed, Jun 3 - Tue, Jun 9

4:45 pm - 10:36 pm

ORD

ONT

7h 51m

1 stop

8:00 pm - 5:46 am

ONT

ORD

7h 46m

1 stop

$219American Airlines

Wed, May 27 - Wed, Oct 14

6:00 am - 11:04 am

MDW

ONT

7h 04m

1 stop

12:00 pm - 9:46 pm

ONT

MDW

7h 46m

1 stop

$237Delta

Wed, Sep 9 - Tue, Sep 22

9:23 am - 4:17 pm

MDW

ONT

8h 54m

2 stops

6:00 am - 6:33 pm

ONT

MDW

10h 33m

2 stops

$247Delta

Wed, May 27 - Wed, Jun 3

6:36 pm - 11:06 pm

SBN

ONT

7h 30m

1 stop

11:59 pm - 12:03 pm

ONT

SBN

9h 04m

1 stop

$349American Airlines

Wed, Sep 30 - Sat, Oct 3

7:00 am - 7:53 pm

FNT

ONT

15h 53m

1 stop

11:43 am - 4:03 pm

ONT

FNT

25h 20m

1 stop

$406Multiple Airlines

Fri, Aug 7 - Thu, Aug 13

7:00 am - 3:07 pm

FNT

ONT

11h 07m

1 stop

11:43 am - 3:55 pm

ONT

FNT

25h 12m

1 stop

$458Multiple Airlines

Mon, Jul 13 - Thu, Jul 23

Delta flights from Michigan to Ontario

Our best Delta deals on Michigan to Ontario flight tickets

Delta

Sep 9

MDW6:00 amChicago Midway

7h 04m

1 stop

ONT11:04 amOntario

Sep 22

ONT12:00 pmOntario

7h 46m

1 stop

MDW9:46 pmChicago Midway

$237

Delta

May 27

ORD5:41 pmChicago O'Hare Intl

7h 53m

2 stops

ONT11:34 pmOntario

Jun 3

ONT11:52 amOntario

10h 03m

1 stop

ORD11:55 pmChicago O'Hare Intl

$242

Delta

Jun 2

ORD7:45 pmChicago O'Hare Intl

5h 49m

1 stop

ONT11:34 pmOntario

Jun 17

ONT9:40 amOntario

7h 18m

1 stop

ORD6:58 pmChicago O'Hare Intl

$247

Frontier flights from Michigan to Ontario

Our best Frontier deals on Michigan to Ontario flight tickets

Frontier

May 26

ORD9:37 pmChicago O'Hare Intl

28h 12m

1 stop

ONT11:49 pmOntario

May 29

ONT8:06 pmOntario

24h 55m

1 stop

ORD11:01 pmChicago O'Hare Intl

$185

Frontier

May 26

ORD9:37 pmChicago O'Hare Intl

28h 12m

1 stop

ONT11:49 pmOntario

Jun 2

ONT8:06 pmOntario

24h 55m

1 stop

ORD11:01 pmChicago O'Hare Intl

$196

Frontier

Jun 9

ORD7:20 amChicago O'Hare Intl

9h 48m

1 stop

ONT3:08 pmOntario

Jun 16

ONT3:34 pmOntario

11h 33m

1 stop

ORD5:07 amChicago O'Hare Intl

$198

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 5/26

9:37 pm-11:49 pm

1 stop28h 12m

Ontario

Fri 5/29

8:06 pm-11:01 pm

1 stop24h 55m

$185

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 5/26

9:37 pm-11:49 pm

1 stop28h 12m

Ontario

Tue 6/2

8:06 pm-11:01 pm

1 stop24h 55m

$196

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 8/5

2:05 pm-10:05 pm

1 stop10h 00m

Ontario

Tue 8/11

11:55 pm-5:45 am

Nonstop3h 50m

$215

Quickest round-trip

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 6/3

6:10 am-11:35 am

1 stop7h 25m

Ontario

Tue 6/9

4:35 pm-12:05 am

1 stop5h 30m

$219

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 5/27

4:45 pm-10:36 pm

1 stop7h 51m

Ontario

Wed 10/14

8:00 pm-5:46 am

1 stop7h 46m

$219

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 9/9

6:00 am-11:04 am

1 stop7h 04m

Ontario

Tue 9/22

12:00 pm-9:46 pm

1 stop7h 46m

$237

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 5/27

9:23 am-4:17 pm

2 stops8h 54m

Ontario

Wed 6/3

6:00 am-6:33 pm

2 stops10h 33m

$247

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Wed 9/30

6:36 pm-11:06 pm

1 stop7h 30m

Ontario

Sat 10/3

11:59 pm-12:03 pm

1 stop9h 04m

$349

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Fri 8/7

7:00 am-7:53 pm

1 stop15h 53m

Ontario

Thu 8/13

11:43 am-4:03 pm

1 stop25h 20m

$406

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Mon 7/13

7:00 am-3:07 pm

1 stop11h 07m

Ontario

Thu 7/23

11:43 am-3:55 pm

1 stop25h 12m

$458

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 Michigan to Ontario

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 Ontario?

In general, November is the cheapest month to fly from Michigan to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $117. If you aren’t able to travel during the month of November, then book flights to Ontario from Michigan during October instead. Flights to Ontario in October, while not as cheap as those in November, still average around $120.

Can stopping save me money on Michigan to Ontario flights?

You could potentially save up to 15% on your flight if you consider stops on a Michigan to Ontario flight.

Cheap Michigan to Ontario flight deals and tips

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

Fastest flight time	4h 05m
Direct flights	Every day
Airports in Ontario	1 airport

The fastest flight from Michigan to Ontario takes 4h 05m

Direct flights go from Michigan to Ontario every day.

There is 1 airport in Ontario. From Michigan there are direct flights to Ontario (ONT).

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Frequently asked questions about flying from Michigan to Ontario

When did momondo last update prices for flights from Michigan to Ontario Airport?
Prices for flights from Michigan to Ontario Airport refresh daily.
How many operators does momondo search for flights from Michigan to Ontario Airport?
The number of operators available for flights from Michigan to Ontario Airport is 5 as of May 2026.
How old do you have to be to fly from Michigan to Ontario Airport?
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 Michigan to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport 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 Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Michigan to Ontario

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $117	Free Cancellation	Rating 5.6 2,958 reviews	Search Frontier flights
Delta	PriceFrom $277	Free Cancellation	Rating 7.9 8,457 reviews	Search Delta flights
American Airlines	PriceFrom $296	Free Cancellation	Rating 7.1 11,669 reviews	Search American Airlines flights
United Airlines	PriceFrom $317	Free Cancellation	Rating 7.4 9,692 reviews	Search United Airlines flights
Southwest	PriceFrom $324	Free Cancellation	Rating 8.0 4,302 reviews	Search Southwest flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Michigan.

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

All flight searches from Michigan to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Michigan and Ontario 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 Michigan to Ontario right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Michigan to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Michigan to Los Angeles from $59

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Michigan to Los Angeles departing on 5/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Michigan to Ontario

What is the cheapest month to fly to Ontario?

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

What airlines fly to Ontario?

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

How long does it take to fly to Ontario?

Cheap Michigan to Ontario flight deals and tips

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

Fastest flight time

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Airports in Ontario

Frequently asked questions about flying from Michigan to Ontario

Best airlines flying from Michigan to Ontario

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

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Fly your favorite airline to Los Angeles

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