DTW - ONT

$84 Find Cheap Flights from Detroit to Ontario - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$167
Typical prices: $347-$537
Frontier
Fri 1/12Tue 1/23
DTW - ONT • 2 stops
Cheapest one-way
$84
Typical prices: $192-$328
Frontier
Sat 12/8
DTW - ONT • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Detroit Metropolitan Wayne County Airport and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
7 weeks
in advance
Our data shows that travelers who book at least 7 weeks in advance save around 35% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 21% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Las Vegas Harry Reid Intl (LAS)
Cheapest • Avg $392 (round-trip)
Chicago Midway (MDW)
Shortest trip • 6h 38m (one-way)
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Insights
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Flight Deals

Cheap Flights from Detroit to Ontario (DTW-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Detroit to Ontario

Tue, Jan 12 - Sat, Jan 23
Frontier Logo
3:17 pm - 8:37 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
32h 20m2 stops Dallas/Fort Worth Las Vegas Harry Reid Intl
Frontier Logo
6:09 am - 1:03 amONT  Ontario-DTW Detroit Metropolitan Wayne County
15h 54m1 stop Denver Intl
$167Frontier
Wed, Jan 20 - Wed, Feb 24
Frontier Logo
2:34 pm - 12:41 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
25h 07m2 stops Dallas/Fort Worth Las Vegas Harry Reid Intl
Frontier Logo
6:30 am - 12:58 amONT  Ontario-DTW Detroit Metropolitan Wayne County
15h 28m1 stop Denver Intl
$173Frontier
Tue, Dec 8 - Tue, Dec 15
Alaska Airlines Logo
6:18 pm - 11:13 amDTW  Detroit Metropolitan Wayne County-ONT Ontario
19h 55m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 5:20 pmONT  Ontario-DTW Detroit Metropolitan Wayne County
8h 20m1 stop Seattle/Tacoma Intl
$363Alaska Airlines
Tue, Feb 23 - Wed, Mar 3
Multiple Airlines Logo
7:25 am - 12:05 amDTW  Detroit Metropolitan Wayne County-ONT Ontario
19h 40m1 stop Denver Intl
Multiple Airlines Logo
4:06 pm - 3:44 pmONT  Ontario-DTW Detroit Metropolitan Wayne County
20h 38m1 stop Seattle/Tacoma Intl
$387Multiple Airlines
Tue, Feb 16 - Tue, Feb 23
Southwest Logo
5:55 am - 1:25 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
10h 30m2 stops Denver Intl Las Vegas Harry Reid Intl
Southwest Logo
10:50 am - 10:50 pmONT  Ontario-DTW Detroit Metropolitan Wayne County
9h 00m2 stops Las Vegas Harry Reid Intl Denver Intl
$467Southwest
Tue, Feb 23 - Wed, Mar 3
American Airlines Logo
11:03 am - 6:46 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
10h 43m2 stops Charlotte Douglas Phoenix Sky Harbor Intl
American Airlines Logo
6:10 am - 6:46 pmONT  Ontario-DTW Detroit Metropolitan Wayne County
9h 36m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$468American Airlines
Mon, Jan 18 - Sat, Feb 13
Delta Logo
5:55 pm - 11:57 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
9h 02m1 stop Salt Lake City
Delta Logo
7:00 am - 8:57 pmONT  Ontario-DTW Detroit Metropolitan Wayne County
10h 57m1 stop Seattle/Tacoma Intl
$492Delta
Mon, Jan 18 - Wed, Jan 27
Delta Logo
8:10 pm - 11:57 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
6h 47m1 stop Salt Lake City
Delta Logo
7:05 am - 6:42 pmONT  Ontario-DTW Detroit Metropolitan Wayne County
8h 37m1 stop Atlanta Hartsfield-Jackson
$492Delta
Thu, Dec 17 - Thu, Dec 24
American Airlines Logo
7:31 pm - 11:59 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
7h 28m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 3:50 pmONT  Ontario-DTW Detroit Metropolitan Wayne County
6h 50m1 stop Phoenix Sky Harbor Intl
$495American Airlines
Fri, Jan 8 - Tue, Jan 12
Southwest Logo
2:10 pm - 7:50 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
8h 40m2 stops Chicago Midway Phoenix Sky Harbor Intl
Southwest Logo
9:00 am - 8:15 pmONT  Ontario-DTW Detroit Metropolitan Wayne County
8h 15m2 stops Las Vegas Harry Reid Intl Lambert-St Louis
$503Southwest
Booking Insights

Price, demand and travel trends for Detroit Metropolitan Wayne County Airport to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Detroit Metropolitan Wayne County Airport to Ontario?

Round-trip flights from Detroit Metropolitan Wayne County Airport to Ontario typically range from $347 to $537. The lowest price found in the past 5 days was $167, on Frontier.

What's the cheapest day of the week to fly from Detroit Metropolitan Wayne County Airport to Ontario?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Detroit Metropolitan Wayne County Airport to Ontario. It’s 18% cheaper than the average day, while Sunday is the most expensive, with prices 11% higher.

What’s the cheapest month to fly from Detroit Metropolitan Wayne County Airport to Ontario?

•January is the cheapest month to fly from Detroit Metropolitan Wayne County Airport to Ontario at $346 round-trip.
•November ($554) and June ($512) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 60% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Detroit Metropolitan Wayne County Airport to Ontario the cheapest?

Flights from Detroit Metropolitan Wayne County Airport to Ontario are cheapest 7 weeks before departure. Booking in this window typically costs about 35% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Detroit Metropolitan Wayne County Airport to Ontario flights

Low season

April

Cheapest flight

$84
Beat the crowds with an average 22% drop in travelers.
The most popular month to fly with an average 23% increase in travelers.
One-way flight from Detroit Metropolitan Wayne County Airport to Ontario

When to book flights from Detroit to Ontario

Are your dates flexible? Find out the best times to travel from Detroit to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Detroit Metropolitan Wayne County Airport to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Detroit Metropolitan Wayne County Airport to Ontario?

    Four cabin classes are available on flights from Detroit Metropolitan Wayne County Airport to Ontario:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Detroit Metropolitan Wayne County Airport to Ontario?

    A nonstop flight from Detroit Metropolitan Wayne County Airport to Ontario takes about 00m, covering 1,929 miles.

  • Do I need a passport to fly from Detroit Metropolitan Wayne County Airport to Ontario?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Detroit Metropolitan Wayne County Airport to Ontario flight?

    Round-trip flights from Detroit Metropolitan Wayne County Airport to Ontario range from $347 to $537, with an average of $436 over the past 12 months. Anything below $347 counts as a good deal.

  • How expensive are last-minute Detroit Metropolitan Wayne County Airport to Ontario flights?

    Last-minute fares on this route (booked within two weeks of departure) run 21% above the $436 route average. Book 7 weeks before departure for the lowest fares.

  • Have flight prices from Detroit Metropolitan Wayne County Airport to Ontario changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $167 to $1,648. That means the highest observed fare was about 10x higher than the lowest one.

  • How are flight prices from Detroit Metropolitan Wayne County Airport to Ontario looking right now?

    One-way fares from Detroit Metropolitan Wayne County Airport to Ontario are currently lower than usual. Average one-way flight prices are about $225, which is 8% below the typical average for this route.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates averaging $60 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Alamo
    • Dollar

  • Which airports can I use when flying from Detroit Metropolitan Wayne County Airport to Ontario?

    Flights from Detroit Metropolitan Wayne County Airport to Ontario usually depart from Detroit Metropolitan Wayne County (DTW) and arrive at Ontario (ONT).

  • Which airports do connecting flights from Detroit Metropolitan Wayne County Airport to Ontario pass through?

    One-stop flights from Detroit Metropolitan Wayne County Airport to Ontario most commonly connect through:

    • Denver Intl (DEN) - 42% of one-stop connections
    • Salt Lake City (SLC) - 20% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 19% of one-stop connections
    • Chicago Midway (MDW) - 8% of one-stop connections

  • Can I save money by using flexible dates for flights from Detroit Metropolitan Wayne County Airport to Ontario?

    Yes. Flexible dates can save you up to 27% on flights from Detroit Metropolitan Wayne County Airport to Ontario. Monday is the cheapest departure day at $360 round-trip on average, while Sunday is the most expensive at $488, a difference of $128.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Detroit Metropolitan Wayne County Airport to Ontario?

    Flying via Chicago Midway (MDW) gives the shortest average 1-stop total travel time at 6h 38m, compared with 6h 59m via Phoenix Sky Harbor Intl (PHX) and 7h 03m via Salt Lake City (SLC).

  • What is the time difference between Detroit Metropolitan Wayne County Airport and Ontario?

    Ontario is 3 hours behind Detroit Metropolitan Wayne County Airport (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

Your guide to booking Detroit Metropolitan Wayne County Airport to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Sunday. On this route, Monday flights average $360, about $128 less than Sunday fares (26% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 7 weeks before you fly. On this route, that window historically saves about 35% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Detroit Metropolitan Wayne County Airport to Ontario trip for January. Fares historically average $346 round-trip in that month - typically $208 less than the most expensive month, which is November (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

    • Azure Hotel & Suites, Trademark Collection by Wyndham
    • Ontario Airport Inn
    • Holiday Inn Ontario Airport By IHG

More options for your flight from Detroit to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario