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 9 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?

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

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

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

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 52m on average, while flying from Grand Rapids to Los Angeles is 6h 23m 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 March 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.

$77 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.

10:05 am - 4:38 pm

DTW

ONT

9h 33m

1 stop

10:50 am - 11:59 pm

ONT

DTW

10h 09m

1 stop

$160Frontier

Mon, May 4 - Tue, May 5

10:27 pm - 11:55 pm

DTW

ONT

28h 28m

1 stop

12:59 am - 10:58 am

ONT

DTW

6h 59m

1 stop

$162Frontier

Mon, Apr 20 - Thu, Apr 23

6:38 pm - 10:31 pm

GRR

ONT

6h 53m

1 stop

5:10 am - 2:37 pm

ONT

GRR

6h 27m

1 stop

$269United Airlines

Tue, Apr 21 - Tue, Apr 28

10:27 am - 6:24 pm

GRR

ONT

10h 57m

2 stops

10:26 pm - 10:49 am

ONT

GRR

9h 23m

1 stop

$274American Airlines

Tue, Apr 21 - Tue, Apr 28

4:00 pm - 9:50 pm

GRR

ONT

8h 50m

1 stop

11:55 pm - 12:10 pm

ONT

GRR

9h 15m

1 stop

$275Southwest

Tue, Apr 21 - Tue, Apr 28

10:26 pm - 7:49 am

SBN

ONT

12h 23m

1 stop

8:06 pm - 8:46 am

ONT

SBN

33h 40m

2 stops

$303Multiple Airlines

Thu, May 14 - Tue, May 19

6:16 pm - 4:38 pm

ORD

ONT

24h 22m

1 stop

9:29 pm - 3:17 pm

ONT

ORD

39h 48m

2 stops

$319Multiple Airlines

Wed, Apr 15 - Sun, Apr 26

11:00 am - 1:15 pm

MDW

ONT

4h 15mnonstop

11:55 pm - 5:40 am

ONT

MDW

3h 45mnonstop

$329Southwest

Tue, Apr 28 - Tue, May 5

3:34 pm - 10:35 pm

FNT

ONT

10h 01m

1 stop

6:30 am - 7:06 pm

ONT

FNT

9h 36m

1 stop

$365United Airlines

Wed, May 20 - Sun, May 24

4:55 pm - 10:36 pm

SBN

ONT

8h 41m

1 stop

7:35 pm - 11:57 am

ONT

SBN

13h 22m

2 stops

$399American Airlines

Fri, Apr 10 - Mon, Apr 13

Alaska Airlines flights from Michigan to Ontario

Our best Alaska Airlines deals on Michigan to Ontario flight tickets

Alaska Airlines

Apr 21

ORD7:24 pmChicago O'Hare Intl

16h 21m

1 stop

ONT9:45 amOntario

Apr 28

ONT10:39 amOntario

11h 20m

1 stop

ORD11:59 pmChicago O'Hare Intl

$357

Alaska Airlines

Apr 1

GRR10:42 amGrand Rapids Gerald R. Ford Intl

12h 41m

2 stops

ONT8:23 pmOntario

Apr 3

ONT6:00 amOntario

13h 05m

2 stops

GRR10:05 pmGrand Rapids Gerald R. Ford Intl

$1,053

Frontier flights from Michigan to Ontario

Our best Frontier deals on Michigan to Ontario flight tickets

Frontier

May 4

DTW12:02 pmDetroit Metropolitan Wayne County

7h 30m

1 stop

ONT4:32 pmOntario

May 5

ONT10:50 amOntario

10h 09m

1 stop

DTW11:59 pmDetroit Metropolitan Wayne County

$160

Frontier

Apr 20

DTW10:27 pmDetroit Metropolitan Wayne County

28h 28m

1 stop

ONT11:55 pmOntario

Apr 23

ONT12:59 amOntario

6h 59m

1 stop

DTW10:58 amDetroit Metropolitan Wayne County

$162

Frontier

Apr 24

GRR8:48 pmGrand Rapids Gerald R. Ford Intl

6h 07m

1 stop

ONT11:55 pmOntario

Apr 30

ONT12:59 amOntario

16h 04m

1 stop

GRR8:03 pmGrand Rapids Gerald R. Ford Intl

$167

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Mon 5/4

10:05 am-4:38 pm

1 stop9h 33m

Ontario

Tue 5/5

10:50 am-11:59 pm

1 stop10h 09m

$160

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Mon 4/20

10:27 pm-11:55 pm

1 stop28h 28m

Ontario

Thu 4/23

12:59 am-10:58 am

1 stop6h 59m

$162

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Tue 4/21

6:38 pm-10:31 pm

1 stop6h 53m

Ontario

Tue 4/28

5:10 am-2:37 pm

1 stop6h 27m

$269

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Tue 4/21

10:27 am-6:24 pm

2 stops10h 57m

Ontario

Tue 4/28

10:26 pm-10:49 am

1 stop9h 23m

$274

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Tue 4/21

4:00 pm-9:50 pm

1 stop8h 50m

Ontario

Tue 4/28

11:55 pm-12:10 pm

1 stop9h 15m

$275

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Thu 5/14

10:26 pm-7:49 am

1 stop12h 23m

Ontario

Tue 5/19

8:06 pm-8:46 am

2 stops33h 40m

$303

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 4/15

6:16 pm-4:38 pm

1 stop24h 22m

Ontario

Sun 4/26

9:29 pm-3:17 pm

2 stops39h 48m

$319

Quickest round-trip

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Tue 4/28

11:00 am-1:15 pm

Nonstop4h 15m

Ontario

Tue 5/5

11:55 pm-5:40 am

Nonstop3h 45m

$329

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Wed 5/20

3:34 pm-10:35 pm

1 stop10h 01m

Ontario

Sun 5/24

6:30 am-7:06 pm

1 stop9h 36m

$365

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Fri 4/10

4:55 pm-10:36 pm

1 stop8h 41m

Ontario

Mon 4/13

7:35 pm-11:57 am

2 stops13h 22m

$399

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

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Other information

What is the cheapest month to fly to Ontario?

In general, September 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 $198. If you aren’t able to travel during the month of September, then book flights to Ontario from Michigan during August instead. Flights to Ontario in August, while not as cheap as those in September, still average around $296.

Can stopping save me money on Michigan to Ontario flights?

You could potentially save up to 28% 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).

Search flight deals

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 March 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 $149	Free Cancellation	Rating 5.7 3,015 reviews	Search Frontier flights
American Airlines	PriceFrom $269	Free Cancellation	Rating 7.1 11,499 reviews	Search American Airlines flights
Delta	PriceFrom $277	Free Cancellation	Rating 7.9 8,339 reviews	Search Delta flights
United Airlines	PriceFrom $317	Free Cancellation	Rating 7.4 9,489 reviews	Search United Airlines flights
Southwest	PriceFrom $324	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 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 $77

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 4/14. 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

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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

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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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