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

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

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

10 flights are operational weekly from Michigan to Ontario as of June 2026. The most popular departure day for this route is Fri, with 30% of flights per week taking off on this day.

What airlines fly to Ontario?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Ontario from Michigan according to our data. Delta is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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 41m 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 June 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.

$108 Cheap Flights from Michigan to Ontario in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Michigan to Los Angeles

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:57 pm - 10:04 am

ORD

ONT

14h 07m

1 stop

6:00 am - 8:52 pm

ONT

ORD

12h 52m

1 stop

$218Frontier

Tue, Jul 14 - Tue, Jul 21

2:41 pm - 11:55 pm

ORD

ONT

11h 14m

1 stop

7:56 pm - 1:36 pm

ONT

ORD

15h 40m

1 stop

$220Frontier

Wed, Aug 19 - Tue, Aug 25

8:06 pm - 10:35 pm

ORD

ONT

4h 29mnonstop

7:00 am - 1:10 pm

ONT

ORD

4h 10mnonstop

$239United Airlines

Wed, Aug 19 - Tue, Aug 25

6:00 pm - 8:10 pm

MDW

ONT

4h 10mnonstop

11:55 pm - 5:45 am

ONT

MDW

3h 50mnonstop

$239Southwest

Sat, Aug 15 - Sat, Aug 22

6:00 am - 12:30 pm

MDW

ONT

8h 30m

1 stop

11:55 pm - 5:45 am

ONT

MDW

3h 50mnonstop

$249Southwest

Wed, Aug 19 - Tue, Aug 25

5:29 pm - 10:59 pm

GRR

ONT

8h 30m

1 stop

10:29 am - 10:52 pm

ONT

GRR

9h 23m

1 stop

$323American Airlines

Tue, Aug 25 - Wed, Sep 2

7:35 pm - 7:32 am

SBN

ONT

38h 57m

2 stops

5:08 pm - 1:03 pm

ONT

SBN

16h 55m

1 stop

$327Multiple Airlines

Mon, Jul 20 - Wed, Aug 5

7:35 pm - 7:32 am

SBN

ONT

38h 57m

2 stops

5:08 pm - 1:03 pm

ONT

SBN

16h 55m

1 stop

$338Multiple Airlines

Mon, Jul 27 - Wed, Aug 12

6:32 pm - 10:35 pm

FNT

ONT

7h 03m

1 stop

7:00 am - 5:57 pm

ONT

FNT

7h 57m

1 stop

$349United Airlines

Fri, Aug 28 - Sun, Aug 30

6:00 am - 12:03 pm

AZO

ONT

9h 03m

2 stops

12:59 pm - 12:41 am

ONT

AZO

8h 42m

2 stops

$349American Airlines

Wed, Aug 26 - Wed, Sep 2

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

Frontier flights from Michigan to Ontario

Our best Frontier deals on Michigan to Ontario flight tickets

Frontier

Jul 14

ORD9:57 pmChicago O'Hare Intl

14h 07m

1 stop

ONT10:04 amOntario

Jul 21

ONT6:00 amOntario

12h 52m

1 stop

ORD8:52 pmChicago O'Hare Intl

$218

Frontier

Aug 19

ORD2:41 pmChicago O'Hare Intl

11h 14m

1 stop

ONT11:55 pmOntario

Aug 25

ONT7:56 pmOntario

15h 40m

1 stop

ORD1:36 pmChicago O'Hare Intl

$220

Frontier

Aug 11

ORD9:57 pmChicago O'Hare Intl

14h 07m

1 stop

ONT10:04 amOntario

Aug 15

ONT10:49 amOntario

8h 03m

1 stop

ORD8:52 pmChicago O'Hare Intl

$221

Delta flights from Michigan to Ontario

Our best Delta deals on Michigan to Ontario flight tickets

Delta

Aug 26

ORD1:59 pmChicago O'Hare Intl

11h 35m

2 stops

ONT11:34 pmOntario

Sep 1

ONT11:56 amOntario

9h 33m

1 stop

ORD11:29 pmChicago O'Hare Intl

$264

Delta

Aug 19

ORD6:00 amChicago O'Hare Intl

8h 16m

2 stops

ONT12:16 pmOntario

Aug 25

ONT6:20 amOntario

13h 10m

2 stops

ORD9:30 pmChicago O'Hare Intl

$269

Delta

Jul 14

ORD7:45 amChicago O'Hare Intl

6h 25m

1 stop

ONT12:10 pmOntario

Jul 22

ONT1:00 pmOntario

6h 29m

1 stop

ORD9:29 pmChicago O'Hare Intl

$279

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 7/14

9:57 pm-10:04 am

1 stop14h 07m

Ontario

Tue 7/21

6:00 am-8:52 pm

1 stop12h 52m

$218

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 8/19

2:41 pm-11:55 pm

1 stop11h 14m

Ontario

Tue 8/25

7:56 pm-1:36 pm

1 stop15h 40m

$220

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 8/19

8:06 pm-10:35 pm

Nonstop4h 29m

Ontario

Tue 8/25

7:00 am-1:10 pm

Nonstop4h 10m

$239

Quickest round-trip

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Sat 8/15

6:00 pm-8:10 pm

Nonstop4h 10m

Ontario

Sat 8/22

11:55 pm-5:45 am

Nonstop3h 50m

$239

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 8/19

6:00 am-12:30 pm

1 stop8h 30m

Ontario

Tue 8/25

11:55 pm-5:45 am

Nonstop3h 50m

$249

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Tue 8/25

5:29 pm-10:59 pm

1 stop8h 30m

Ontario

Wed 9/2

10:29 am-10:52 pm

1 stop9h 23m

$323

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Mon 7/20

7:35 pm-7:32 am

2 stops38h 57m

Ontario

Wed 8/5

5:08 pm-1:03 pm

1 stop16h 55m

$327

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Mon 7/27

7:35 pm-7:32 am

2 stops38h 57m

Ontario

Wed 8/12

5:08 pm-1:03 pm

1 stop16h 55m

$338

FlintOntario

FNT - ONT

FNTONT

Flint Bishop

Fri 8/28

6:32 pm-10:35 pm

1 stop7h 03m

Ontario

Sun 8/30

7:00 am-5:57 pm

1 stop7h 57m

$349

KalamazooOntario

AZO - ONT

AZOONT

Kalamazoo Intl

Wed 8/26

6:00 am-12:03 pm

2 stops9h 03m

Ontario

Wed 9/2

12:59 pm-12:41 am

2 stops8h 42m

$349

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 January instead. Flights to Ontario in January, while not as cheap as those in November, still average around $138.

Can stopping save me money on Michigan to Ontario flights?

You could potentially save up to 32% 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

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 June 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 5.6 2,861 reviews	Search Frontier flights
Delta	PriceFrom $277	Free Cancellation	Rating 7.8 8,451 reviews	Search Delta flights
American Airlines	PriceFrom $299	Free Cancellation	Rating 7.1 11,779 reviews	Search American Airlines flights
Southwest	PriceFrom $324	Free Cancellation	Rating 7.9 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $346	Free Cancellation	Rating 7.4 9,896 reviews	Search United Airlines 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Mon 7/27

Mon 8/3

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Michigan

Complete your trip

Feeling lucky

Cheap flights from Michigan to Los Angeles from $108

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 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Michigan to Los Angeles

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Frontier flights from Michigan to Ontario

Our best Frontier deals on Michigan to Ontario flight tickets

Delta flights from Michigan to Ontario

Our best Delta deals on Michigan to Ontario flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Michigan to Ontario that are best for you.

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Michigan to Ontario

What is the cheapest month to fly to Ontario?

Can stopping save me money on Michigan to Ontario flights?

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

Direct flights

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.

Find better results for your trip to the United States

Airports servicing California

Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Los Angeles

List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Michigan

According to popular flight searches on momondo this year

Complete your trip to Los Angeles

Explore popular destinations other users love

According to popular flight searches on momondo this year