What airlines fly to Michigan?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Michigan from Ontario according to our data. Delta is the first choice among our users, with 47% 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.

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

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

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

13 flights are operational weekly from Ontario to Michigan as of August 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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 August 2026, there are 5 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.

$72 Cheap Flights from Ontario to Michigan in 2026

Discover deals from 900+ travel sites with momondo.

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.

6:15 am - 3:26 pmONT Ontario-GRR Grand Rapids Gerald R. Ford Intl

6h 11m1 stop Denver Intl

4:24 pm - 11:47 pmGRR Grand Rapids Gerald R. Ford Intl-ONT Ontario

10h 23m1 stop Denver Intl

$206Frontier

Tue, Sep 22 - Tue, Sep 29

6:00 am - 3:42 pmONT Ontario-GRR Grand Rapids Gerald R. Ford Intl

6h 42m1 stop Denver Intl

4:37 pm - 10:43 amGRR Grand Rapids Gerald R. Ford Intl-ONT Ontario

21h 06m1 stop Denver Intl

$206Frontier

Thu, Oct 15 - Mon, Oct 19

6:01 pm - 8:30 amONT Ontario-ORD Chicago O'Hare Intl

12h 29m2 stops Seattle/Tacoma Intl Minneapolis St Paul

10:50 am - 6:30 pmORD Chicago O'Hare Intl-ONT Ontario

9h 40m1 stop Atlanta Hartsfield-Jackson

$263Delta

Mon, Aug 31 - Sat, Sep 5

10:00 pm - 12:39 pmONT Ontario-MDW Chicago Midway

12h 39m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

6:05 am - 11:05 amMDW Chicago Midway-ONT Ontario

7h 00m1 stop Atlanta Hartsfield-Jackson

$263Delta

Mon, Sep 14 - Wed, Sep 16

8:54 pm - 5:42 amONT Ontario-ORD Chicago O'Hare Intl

6h 48m1 stop Las Vegas Harry Reid Intl

9:00 am - 6:00 pmORD Chicago O'Hare Intl-ONT Ontario

11h 00m1 stop Seattle/Tacoma Intl

$265Multiple Airlines

Mon, Oct 19 - Thu, Oct 22

8:40 am - 7:50 pmONT Ontario-MDW Chicago Midway

9h 10m2 stops Phoenix Sky Harbor Intl Louisville Intl

10:25 am - 12:45 pmMDW Chicago Midway-ONT Ontario

4h 20mnonstop

$266Southwest

Tue, Dec 1 - Sat, Dec 5

6:25 pm - 5:45 amONT Ontario-MDW Chicago Midway

9h 20m1 stop Phoenix Sky Harbor Intl

10:25 am - 12:45 pmMDW Chicago Midway-ONT Ontario

4h 20mnonstop

$266Southwest

Tue, Dec 1 - Sat, Dec 5

5:00 am - 3:00 pmONT Ontario-ORD Chicago O'Hare Intl

8h 00m1 stop Denver Intl

8:06 pm - 10:35 pmORD Chicago O'Hare Intl-ONT Ontario

4h 29mnonstop

$267United Airlines

Wed, Aug 26 - Sat, Aug 29

9:43 pm - 5:35 amONT Ontario-ORD Chicago O'Hare Intl

5h 52m1 stop Las Vegas Harry Reid Intl

6:07 am - 3:05 pmORD Chicago O'Hare Intl-ONT Ontario

10h 58m1 stop Seattle/Tacoma Intl

$267Multiple Airlines

Mon, Nov 16 - Fri, Nov 20

7:00 am - 1:10 pmONT Ontario-ORD Chicago O'Hare Intl

4h 10mnonstop

6:00 am - 12:29 pmORD Chicago O'Hare Intl-ONT Ontario

8h 29m1 stop San Francisco

$268United Airlines

Mon, Nov 2 - Thu, Nov 5

Cheap last minute flights

Enter your travel dates to find the best prices.

2:27 pm - 12:18 amONT Ontario-ORD Chicago O'Hare Intl

7h 51m1 stop Dallas/Fort Worth

6:59 am - 12:03 pmORD Chicago O'Hare Intl-ONT Ontario

7h 04m1 stop Phoenix Sky Harbor Intl

$277American Airlines

Fri, Aug 14 - Tue, Aug 18

6:08 am - 2:50 pmONT Ontario-ORD Chicago O'Hare Intl

6h 42m1 stop San Francisco

3:56 pm - 8:53 pmORD Chicago O'Hare Intl-ONT Ontario

6h 57m1 stop Denver Intl

$277United Airlines

Thu, Aug 13 - Sat, Aug 15

1:18 pm - 9:29 pmONT Ontario-ORD Chicago O'Hare Intl

6h 11m1 stop Denver Intl

4:00 pm - 10:59 pmORD Chicago O'Hare Intl-ONT Ontario

8h 59m1 stop San Francisco

$277United Airlines

Fri, Aug 14 - Mon, Aug 17

6:00 am - 8:52 pmONT Ontario-ORD Chicago O'Hare Intl

12h 52m1 stop Denver Intl

2:41 pm - 11:50 pmORD Chicago O'Hare Intl-ONT Ontario

11h 09m1 stop Denver Intl

$282Frontier

Sat, Aug 15 - Sat, Aug 22

6:00 am - 8:52 pmONT Ontario-ORD Chicago O'Hare Intl

12h 52m1 stop Denver Intl

2:41 pm - 11:50 pmORD Chicago O'Hare Intl-ONT Ontario

11h 09m1 stop Denver Intl

$282Frontier

Sat, Aug 15 - Wed, Aug 19

9:43 am - 6:19 pmONT Ontario-ORD Chicago O'Hare Intl

6h 36m1 stop Salt Lake City

3:51 pm - 11:34 pmORD Chicago O'Hare Intl-ONT Ontario

9h 43m2 stops Minneapolis St Paul Salt Lake City

$282Delta

Fri, Aug 14 - Mon, Aug 17

1:06 pm - 9:33 pmONT Ontario-ORD Chicago O'Hare Intl

6h 27m1 stop Salt Lake City

8:28 am - 4:24 pmORD Chicago O'Hare Intl-ONT Ontario

9h 56m2 stops Minneapolis St Paul Salt Lake City

$282Delta

Fri, Aug 14 - Sat, Aug 15

4:07 pm - 12:28 amONT Ontario-ORD Chicago O'Hare Intl

6h 21m1 stop Phoenix Sky Harbor Intl

6:59 am - 12:03 pmORD Chicago O'Hare Intl-ONT Ontario

7h 04m1 stop Phoenix Sky Harbor Intl

$377American Airlines

Mon, Aug 17 - Thu, Aug 20

12:50 pm - 11:20 pmONT Ontario-MDW Chicago Midway

8h 30m1 stop Austin Bergstrom

7:10 am - 1:25 pmMDW Chicago Midway-ONT Ontario

8h 15m1 stop Phoenix Sky Harbor Intl

$417Southwest

Fri, Aug 14 - Mon, Aug 17

12:50 pm - 11:20 pmONT Ontario-MDW Chicago Midway

8h 30m2 stops Austin Bergstrom Dallas Love Field

7:10 am - 1:25 pmMDW Chicago Midway-ONT Ontario

8h 15m1 stop Phoenix Sky Harbor Intl

$422Southwest

Fri, Aug 14 - Mon, Aug 17

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United Airlines flights from Ontario to Michigan

Our best United Airlines deals on Ontario to Michigan flight tickets

United Airlines

Aug 26

ONT5:00 amOntario

8h 00m

1 stop

ORD3:00 pmChicago O'Hare Intl

Aug 29

ORD8:06 pmChicago O'Hare Intl

4h 29m

ONT10:35 pmOntario

$267

United Airlines

Nov 13

ONT7:00 amOntario

4h 10m

ORD1:10 pmChicago O'Hare Intl

Nov 15

ORD6:00 amChicago O'Hare Intl

8h 29m

1 stop

ONT12:29 pmOntario

$270

United Airlines

Sep 16

ONT1:18 pmOntario

6h 42m

1 stop

ORD10:00 pmChicago O'Hare Intl

Sep 18

ORD8:33 pmChicago O'Hare Intl

4h 26m

ONT10:59 pmOntario

$271

Frontier flights from Ontario to Michigan

Our best Frontier deals on Ontario to Michigan flight tickets

Frontier

Sep 22

ONT6:15 amOntario

6h 11m

1 stop

GRR3:26 pmGrand Rapids Gerald R. Ford Intl

Sep 26

GRR4:24 pmGrand Rapids Gerald R. Ford Intl

10h 23m

1 stop

ONT11:47 pmOntario

$206

Frontier

Sep 10

ONT6:15 amOntario

25h 47m

1 stop

GRR11:02 amGrand Rapids Gerald R. Ford Intl

Sep 19

GRR4:24 pmGrand Rapids Gerald R. Ford Intl

21h 06m

1 stop

ONT10:30 amOntario

$207

Frontier

Sep 15

ONT5:44 pmOntario

8h 11m

1 stop

DTW4:55 amDetroit Metropolitan Wayne County

Sep 16

DTW7:08 amDetroit Metropolitan Wayne County

6h 22m

1 stop

ONT10:30 amOntario

$223

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioGrand Rapids

ONT Ontario - GRR Grand Rapids Gerald R. Ford Intl

ONTGRR

Ontario

Tue 9/22

6:15 am-3:26 pm

1 stop6h 11m

Grand Rapids Gerald R. Ford Intl

Tue 9/29

4:24 pm-11:47 pm

1 stop10h 23m

$206

OntarioGrand Rapids

ONT Ontario - GRR Grand Rapids Gerald R. Ford Intl

ONTGRR

Ontario

Thu 10/15

6:00 am-3:42 pm

1 stop6h 42m

Grand Rapids Gerald R. Ford Intl

Mon 10/19

4:37 pm-10:43 am

1 stop21h 06m

$206

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Mon 8/31

6:01 pm-8:30 am

2 stops12h 29m

Chicago O'Hare Intl

Sat 9/5

10:50 am-6:30 pm

1 stop9h 40m

$263

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Mon 9/14

10:00 pm-12:39 pm

2 stops12h 39m

Chicago Midway

Wed 9/16

6:05 am-11:05 am

1 stop7h 00m

$263

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Mon 10/19

8:54 pm-5:42 am

1 stop6h 48m

Chicago O'Hare Intl

Thu 10/22

9:00 am-6:00 pm

1 stop11h 00m

$265

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Tue 12/1

8:40 am-7:50 pm

2 stops9h 10m

Chicago Midway

Sat 12/5

10:25 am-12:45 pm

Nonstop4h 20m

$266

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Tue 12/1

6:25 pm-5:45 am

1 stop9h 20m

Chicago Midway

Sat 12/5

10:25 am-12:45 pm

Nonstop4h 20m

$266

Quickest round-trip

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Wed 8/26

5:00 am-3:00 pm

1 stop8h 00m

Chicago O'Hare Intl

Sat 8/29

8:06 pm-10:35 pm

Nonstop4h 29m

$267

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Mon 11/16

9:43 pm-5:35 am

1 stop5h 52m

Chicago O'Hare Intl

Fri 11/20

6:07 am-3:05 pm

1 stop10h 58m

$267

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Mon 11/2

7:00 am-1:10 pm

Nonstop4h 10m

Chicago O'Hare Intl

Thu 11/5

6:00 am-12:29 pm

1 stop8h 29m

$268

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 October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $366.

How far in advance should I book a flight from Ontario 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 $443 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 $331 on momondo.

Can stopping save me money on Ontario to Michigan flights?

You could potentially save up to 11% 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

Frequently asked questions about flying from Ontario to Michigan

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 August 2026, there are 5 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
Frontier	PriceFrom $126	Free Cancellation	Rating 5.6 2,701 reviews	Search Frontier flights
Delta	PriceFrom $277	Free Cancellation	Rating 7.8 8,505 reviews	Search Delta flights
United Airlines	PriceFrom $279	Free Cancellation	Rating 7.4 10,111 reviews	Search United Airlines flights
Southwest	PriceFrom $288	Free Cancellation	Rating 8.0 4,218 reviews	Search Southwest flights
American Airlines	PriceFrom $296	Free Cancellation	Rating 7.1 11,911 reviews	Search American Airlines 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.