Which layover airport has the shortest connection time from Detroit to Ontario?

Chicago (MDW) has the shortest average layover time for this route: 1h 10m.

Which layover airport offers the lowest fares from Detroit to Ontario?

Flights via Chicago (MDW) offer the lowest average round-trip price of $360.

Which layover airport has the shortest travel time from Detroit to Ontario?

Flights connecting via Salt Lake City (SLC) have the shortest average one-way travel time: 6h 48m.

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

Frontier is the most popular carrier operating from Detroit to Ontario

Which airport is the most popular layover for flights between Detroit and Ontario?

Chicago (MDW) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Ontario?

Delta, Frontier and Southwest are the top three most popular airlines that fly to Ontario from Detroit according to our data. Delta is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

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

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

As of September 2026, there are 5 operators available to choose from for flights from Detroit to Ontario Airport.

How old do you have to be to fly from Detroit 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 Detroit to Ontario Airport.

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

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$80 Cheap Flights from Detroit to Ontario in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Detroit to Los Angeles

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:35 pm - 10:35 amDTW Detroit Metropolitan Wayne County-ONT Ontario

17h 00m1 stop Denver Intl

11:52 am - 11:51 pmONT Ontario-DTW Detroit Metropolitan Wayne County

8h 59m1 stop Denver Intl

$143Frontier

Tue, Oct 27 - Sat, Oct 31

7:08 am - 11:50 pmDTW Detroit Metropolitan Wayne County-ONT Ontario

19h 42m1 stop Denver Intl

6:25 am - 3:34 pmONT Ontario-DTW Detroit Metropolitan Wayne County

6h 09m1 stop Denver Intl

$163Frontier

Wed, Oct 21 - Tue, Oct 27

7:08 am - 10:29 amDTW Detroit Metropolitan Wayne County-ONT Ontario

6h 21m1 stop Denver Intl

6:02 am - 5:40 amONT Ontario-DTW Detroit Metropolitan Wayne County

20h 38m1 stop Seattle/Tacoma Intl

$337Multiple Airlines

Wed, Oct 14 - Sun, Oct 18

5:30 pm - 10:38 amDTW Detroit Metropolitan Wayne County-ONT Ontario

20h 08m1 stop Seattle/Tacoma Intl

4:16 pm - 4:32 pmONT Ontario-DTW Detroit Metropolitan Wayne County

21h 16m1 stop Seattle/Tacoma Intl

$343Alaska Airlines

Sat, Feb 6 - Mon, Feb 8

7:55 pm - 11:17 amDTW Detroit Metropolitan Wayne County-ONT Ontario

18h 22m1 stop Seattle/Tacoma Intl

7:00 am - 6:26 amONT Ontario-DTW Detroit Metropolitan Wayne County

20h 26m1 stop Seattle/Tacoma Intl

$383Delta

Mon, Dec 14 - Fri, Jan 8

8:45 am - 10:43 pmDTW Detroit Metropolitan Wayne County-ONT Ontario

16h 58m1 stop Seattle/Tacoma Intl

6:00 pm - 1:23 pmONT Ontario-DTW Detroit Metropolitan Wayne County

16h 23m1 stop Seattle/Tacoma Intl

$383Delta

Mon, Oct 19 - Fri, Oct 30

6:00 am - 11:52 amDTW Detroit Metropolitan Wayne County-ONT Ontario

8h 52m1 stop Dallas/Fort Worth

6:12 am - 4:04 pmONT Ontario-DTW Detroit Metropolitan Wayne County

6h 52m1 stop Chicago O'Hare Intl

$437American Airlines

Thu, Dec 10 - Thu, Dec 31

5:40 pm - 10:43 pmDTW Detroit Metropolitan Wayne County-ONT Ontario

8h 03m1 stop Phoenix Sky Harbor Intl

7:34 pm - 9:30 amONT Ontario-DTW Detroit Metropolitan Wayne County

10h 56m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$442American Airlines

Thu, Oct 1 - Mon, Oct 5

6:25 am - 11:55 amDTW Detroit Metropolitan Wayne County-ONT Ontario

8h 30m2 stops Lambert-St Louis Las Vegas Harry Reid Intl

5:05 am - 3:30 pmONT Ontario-DTW Detroit Metropolitan Wayne County

7h 25m2 stops Phoenix Sky Harbor Intl Denver Intl

$447Southwest

Sat, Feb 6 - Mon, Feb 8

3:50 pm - 10:05 pmDTW Detroit Metropolitan Wayne County-ONT Ontario

9h 15m2 stops Denver Intl Phoenix Sky Harbor Intl

7:05 am - 6:50 pmONT Ontario-DTW Detroit Metropolitan Wayne County

8h 45m2 stops Sacramento Intl Denver Intl

$447Southwest

Wed, Oct 21 - Tue, Oct 27

Cheap last minute flights

Enter your travel dates to find the best prices.

10:37 am - 4:46 pmDTW Detroit Metropolitan Wayne County-ONT Ontario

9h 09m1 stop Dallas/Fort Worth

11:52 am - 11:51 pmONT Ontario-DTW Detroit Metropolitan Wayne County

8h 59m1 stop Denver Intl

$275Frontier

Tue, Sep 15 - Wed, Oct 28

12:33 pm - 5:48 pmDTW Detroit Metropolitan Wayne County-ONT Ontario

8h 15m1 stop Houston George Bush Intcntl

5:07 pm - 4:55 amONT Ontario-DTW Detroit Metropolitan Wayne County

8h 48m1 stop Las Vegas Harry Reid Intl

$340Frontier

Mon, Sep 14 - Sat, Nov 14

7:08 am - 10:30 amDTW Detroit Metropolitan Wayne County-ONT Ontario

6h 22m1 stop Denver Intl

4:50 pm - 5:22 amONT Ontario-DTW Detroit Metropolitan Wayne County

33h 32m2 stops Boise Air Term. Gowen Fld Seattle/Tacoma Intl

$508Multiple Airlines

Tue, Sep 15 - Wed, Sep 30

5:39 pm - 11:24 pmDTW Detroit Metropolitan Wayne County-ONT Ontario

8h 45m1 stop Seattle/Tacoma Intl

6:15 am - 3:28 pmONT Ontario-DTW Detroit Metropolitan Wayne County

6h 13m1 stop Denver Intl

$722Multiple Airlines

Fri, Sep 18 - Sun, Sep 20

8:01 am - 1:25 pmDTW Detroit Metropolitan Wayne County-ONT Ontario

8h 24m1 stop Dallas/Fort Worth

7:20 am - 7:01 pmONT Ontario-DTW Detroit Metropolitan Wayne County

8h 41m1 stop Dallas/Fort Worth

$822American Airlines

Tue, Sep 15 - Fri, Sep 18

8:00 am - 6:17 pmDTW Detroit Metropolitan Wayne County-ONT Ontario

13h 17m1 stop Phoenix Sky Harbor Intl

6:15 am - 9:38 pmONT Ontario-DTW Detroit Metropolitan Wayne County

12h 23m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

$825American Airlines

Tue, Sep 15 - Tue, Sep 22

7:34 am - 8:01 pmDTW Detroit Metropolitan Wayne County-ONT Ontario

15h 27m2 stops Chicago O'Hare Intl San Francisco

6:00 am - 8:25 pmONT Ontario-DTW Detroit Metropolitan Wayne County

11h 25m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$874United Airlines

Tue, Sep 15 - Tue, Sep 22

9:15 am - 8:01 pmDTW Detroit Metropolitan Wayne County-ONT Ontario

13h 46m2 stops Chicago O'Hare Intl San Francisco

1:56 pm - 6:06 pmONT Ontario-DTW Detroit Metropolitan Wayne County

25h 10m1 stop San Francisco

$889United Airlines

Tue, Sep 15 - Tue, Sep 22

5:55 am - 11:25 amDTW Detroit Metropolitan Wayne County-ONT Ontario

8h 30m2 stops Nashville Intl Las Vegas Harry Reid Intl

10:15 am - 10:00 pmONT Ontario-DTW Detroit Metropolitan Wayne County

8h 45m2 stops Phoenix Sky Harbor Intl Denver Intl

$1,063Southwest

Fri, Sep 18 - Sat, Sep 19

7:00 am - 12:40 pmDTW Detroit Metropolitan Wayne County-ONT Ontario

8h 40m2 stops Denver Intl Las Vegas Harry Reid Intl

12:35 pm - 11:45 pmONT Ontario-DTW Detroit Metropolitan Wayne County

8h 10m2 stops Las Vegas Harry Reid Intl Denver Intl

$1,063Southwest

Tue, Sep 15 - Thu, Sep 17

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Frontier flights from Detroit to Ontario

Our best Frontier deals on Detroit to Ontario flight tickets

Frontier

Oct 27

DTW8:35 pmDetroit Metropolitan Wayne County

17h 00m

1 stop

ONT10:35 amOntario

Oct 31

ONT11:52 amOntario

8h 59m

1 stop

DTW11:51 pmDetroit Metropolitan Wayne County

$143

Frontier

Oct 21

DTW7:08 amDetroit Metropolitan Wayne County

19h 42m

1 stop

ONT11:50 pmOntario

Oct 27

ONT6:25 amOntario

6h 09m

1 stop

DTW3:34 pmDetroit Metropolitan Wayne County

$163

Frontier

Nov 14

DTW7:00 amDetroit Metropolitan Wayne County

6h 42m

1 stop

ONT10:42 amOntario

Nov 17

ONT6:25 amOntario

6h 09m

1 stop

DTW3:34 pmDetroit Metropolitan Wayne County

$168

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Tue 10/27

8:35 pm-10:35 am

1 stop17h 00m

Ontario

Sat 10/31

11:52 am-11:51 pm

1 stop8h 59m

$143

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Wed 10/21

7:08 am-11:50 pm

1 stop19h 42m

Ontario

Tue 10/27

6:25 am-3:34 pm

1 stop6h 09m

$163

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Wed 10/14

7:08 am-10:29 am

1 stop6h 21m

Ontario

Sun 10/18

6:02 am-5:40 am

1 stop20h 38m

$337

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Sat 2/6

5:30 pm-10:38 am

1 stop20h 08m

Ontario

Mon 2/8

4:16 pm-4:32 pm

1 stop21h 16m

$343

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Mon 12/14

7:55 pm-11:17 am

1 stop18h 22m

Ontario

Fri 1/8

7:00 am-6:26 am

1 stop20h 26m

$383

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Mon 10/19

8:45 am-10:43 pm

1 stop16h 58m

Ontario

Fri 10/30

6:00 pm-1:23 pm

1 stop16h 23m

$383

Quickest round-trip

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Thu 12/10

6:00 am-11:52 am

1 stop8h 52m

Ontario

Thu 12/31

6:12 am-4:04 pm

1 stop6h 52m

$437

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Thu 10/1

5:40 pm-10:43 pm

1 stop8h 03m

Ontario

Mon 10/5

7:34 pm-9:30 am

2 stops10h 56m

$442

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Sat 2/6

6:25 am-11:55 am

2 stops8h 30m

Ontario

Mon 2/8

5:05 am-3:30 pm

2 stops7h 25m

$447

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Wed 10/21

3:50 pm-10:05 pm

2 stops9h 15m

Ontario

Tue 10/27

7:05 am-6:50 pm

2 stops8h 45m

$447

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 Detroit 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

Layovers

What is the cheapest month to fly to Ontario?

In general, January is the cheapest month to fly from Detroit to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $358. If you aren’t able to travel during the month of January, then book flights to Ontario from Detroit during July instead. Flights to Ontario in July, while not as cheap as those in January, still average around $387.

How far in advance should I book a flight from Detroit to Ontario?

You are more likely to see cheaper flights to Ontario from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $456 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Detroit for as low as $369 on momondo.

Can stopping save me money on Detroit to Ontario flights?

You could potentially save up to 29% on your flight if you consider stops on a Detroit to Ontario flight.

When to book flights from Detroit to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Detroit to Ontario (DTT to ONT) flight deals and tips

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

Best Price Found	$80
Fastest flight time	6h 15m
Direct flights	None

The best one-way flight to Ontario from Detroit in the past 72 hours is $80. The best round-trip flight deal from Detroit to Ontario found on momondo in the last 72 hours is $143.

The fastest flight from Detroit to Ontario takes 6h 15m

There are no direct flights from Detroit to Ontario. There are no popular flight routes from Detroit to Ontario.

Search flight deals

Frequently asked questions about flying from Detroit to Ontario

How far is Detroit to Ontario by plane?
The straight-line distance from Detroit to Ontario is 1947.2 mi. Flights usually cover this in 6h 15m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Detroit to Ontario Airport?
Prices for flights from Detroit to Ontario Airport were last updated today.
How many operators does momondo search for flights from Detroit to Ontario Airport?
As of September 2026, there are 5 operators available to choose from for flights from Detroit to Ontario Airport.
How old do you have to be to fly from Detroit 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 Detroit to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Detroit to Ontario?
momondo data reveals that the most frequently booked airline on the route from Detroit to Ontario is Delta, representing 40% of all bookings. The subsequent popular airlines are Southwest at 33% and American Airlines at 26%.

Best airlines flying from Detroit to Ontario

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $201	Free Cancellation	Rating 5.6 2,607 reviews	Search Frontier flights
American Airlines	PriceFrom $296	Free Cancellation	Rating 7.1 12,050 reviews	Search American Airlines flights
United Airlines	PriceFrom $344	Free Cancellation	Rating 7.4 10,206 reviews	Search United Airlines flights
Delta	PriceFrom $346	Free Cancellation	Rating 7.8 8,563 reviews	Search Delta flights
Southwest	PriceFrom $353	Free Cancellation	Rating 8.0 4,192 reviews	Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Detroit to Ontario for you.

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

Flights from Detroit to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Detroit to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Detroit and alert you when they change.

An easier way to manage your Ontario trip

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Cheap flights from Detroit to Los Angeles from $80

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Los Angeles departing on 11/18. 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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Frontier flights from Detroit to Ontario

Our best Frontier deals on Detroit to Ontario flight tickets

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

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How to get the cheapest flight ticket from Detroit to Ontario

What is the cheapest month to fly to Ontario?

How far in advance should I book a flight from Detroit to Ontario?

Can stopping save me money on Detroit to Ontario flights?

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

What airlines fly to Ontario?

Which airport is the most popular layover for flights between Detroit and Ontario?

Which layover airport offers the lowest fares from Detroit to Ontario?

Which layover airport has the shortest travel time from Detroit to Ontario?

Which layover airport has the shortest connection time from Detroit to Ontario?

When to book flights from Detroit to Ontario

Cheap Detroit to Ontario (DTT to ONT) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Detroit to Ontario

Best airlines flying from Detroit to Ontario

Compare and see reviews for airlines that fly from Detroit 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.

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