United States
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IND - ONT

$83 Find Cheap Flights from Indianapolis to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$179
Typical prices: $320-$490
Frontier
Wed 10/31Sat 11/3
IND - ONT • 1 stop
Cheapest one-way
$83
Typical prices: $170-$298
Frontier
Tue 11/6
IND - ONT • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Indianapolis and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 26% compared to booking last minute.
Insights
Insights
When to travel
August
Cheapest • 23% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $320 (round-trip)
Phoenix Sky Harbor Intl (PHX)
Shortest trip • 6h 17m (one-way)
Insights
Insights
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We hope you love your trip to Ontario!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Indianapolis to Ontario (IND-ONT)

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

Recent round-trip flight deals from Indianapolis to Ontario

Sat, Oct 31 - Tue, Nov 3
Frontier Logo
4:03 pm - 11:51 pmIND  Indianapolis-ONT Ontario
10h 48m1 stop Denver Intl
Frontier Logo
6:25 am - 3:08 pmONT  Ontario-IND Indianapolis
5h 43m1 stop Denver Intl
$179Frontier
Wed, Oct 28 - Tue, Nov 3
Frontier Logo
4:03 pm - 11:51 pmIND  Indianapolis-ONT Ontario
10h 48m1 stop Denver Intl
Frontier Logo
6:25 am - 3:08 pmONT  Ontario-IND Indianapolis
5h 43m1 stop Denver Intl
$179Frontier
Tue, Oct 27 - Tue, Nov 3
Multiple Airlines Logo
7:02 am - 1:16 pmIND  Indianapolis-ONT Ontario
9h 14m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
6:25 am - 3:08 pmONT  Ontario-IND Indianapolis
5h 43m1 stop Denver Intl
$285Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
11:25 am - 11:16 amIND  Indianapolis-ONT Ontario
26h 51m3 stops Orlando Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:25 am - 11:22 amONT  Ontario-IND Indianapolis
25h 57m2 stops Denver Intl Minneapolis St Paul
$301Multiple Airlines
Sat, Jan 16 - Sat, Jan 23
Delta Logo
8:00 am - 12:30 pmIND  Indianapolis-ONT Ontario
7h 30m1 stop Salt Lake City
Delta Logo
1:00 pm - 10:57 pmONT  Ontario-IND Indianapolis
6h 57m1 stop Salt Lake City
$377Delta
Sat, Oct 24 - Mon, Oct 26
Delta Logo
7:05 am - 12:36 pmIND  Indianapolis-ONT Ontario
8h 31m1 stop Salt Lake City
Delta Logo
1:35 pm - 11:03 pmONT  Ontario-IND Indianapolis
6h 28m1 stop Salt Lake City
$377Delta
Thu, Dec 24 - Tue, Dec 29
Southwest Logo
6:10 pm - 10:00 pmIND  Indianapolis-ONT Ontario
6h 50m1 stop Houston Hobby
Southwest Logo
9:35 pm - 11:55 amONT  Ontario-IND Indianapolis
11h 20m1 stop Las Vegas Harry Reid Intl
$382Southwest
Thu, Dec 24 - Tue, Dec 29
Southwest Logo
6:10 pm - 10:00 pmIND  Indianapolis-ONT Ontario
6h 50m1 stop Houston Hobby
Southwest Logo
2:00 pm - 1:40 amONT  Ontario-IND Indianapolis
8h 40m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl
$382Southwest
Fri, Oct 30 - Thu, Nov 5
American Airlines Logo
8:14 pm - 11:52 pmIND  Indianapolis-ONT Ontario
6h 38m1 stop Dallas/Fort Worth
American Airlines Logo
1:27 pm - 10:45 pmONT  Ontario-IND Indianapolis
6h 18m1 stop Phoenix Sky Harbor Intl
$392American Airlines
Fri, Nov 20 - Mon, Nov 23
American Airlines Logo
5:35 am - 9:47 amIND  Indianapolis-ONT Ontario
7h 12m1 stop Dallas/Fort Worth
American Airlines Logo
9:20 am - 10:09 pmONT  Ontario-IND Indianapolis
9h 49m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$437American Airlines
Booking Insights

Price, demand and travel trends for Indianapolis 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 Indianapolis to Ontario?

Round-trip flights from Indianapolis to Ontario typically range from $320 to $490. The lowest price found in the past 5 days was $179, on Frontier.

What's the cheapest day of the week to fly from Indianapolis to Ontario?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Indianapolis to Ontario. It’s 24% cheaper than the average day, while Wednesday is the most expensive, with prices 10% higher.

What’s the cheapest month to fly from Indianapolis to Ontario?

•August is the cheapest month to fly from Indianapolis to Ontario at $318 round-trip.
•January ($571) and June ($504) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 79% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Indianapolis to Ontario the cheapest?

Flights from Indianapolis to Ontario are cheapest 3 weeks before departure. Booking in this window typically costs about 26% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Indianapolis to Ontario flights

Low season

September

Cheapest flight

$83
Beat the crowds with an average 64% drop in travelers.
The most popular month to fly with an average 3% increase in travelers.
One-way flight from Indianapolis to Ontario

When to book flights from Indianapolis to Ontario

Are your dates flexible? Find out the best times to travel from Indianapolis 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 Indianapolis 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 Indianapolis to Ontario?

    Only Economy Class is available on flights from Indianapolis to Ontario.

  • How long is a flight from Indianapolis to Ontario?

    A nonstop flight from Indianapolis to Ontario takes 00m, covering 1,763 miles.

  • Do I need a passport to fly from Indianapolis 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 Indianapolis to Ontario flight?

    Round-trip flights from Indianapolis to Ontario range from $320 to $490, with an average of $416 over the past 12 months. Anything below $320 counts as a good deal.

  • How expensive are last-minute Indianapolis to Ontario flights?

    Last-minute fares on this route (booked within two weeks of departure) run 20% above the $416 route average. Book 3 weeks before departure for the lowest fares.

  • Have flight prices from Indianapolis 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 $179 to $1,451. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Indianapolis to Ontario looking right now?

    One-way fares from Indianapolis to Ontario are currently lower than usual. Average one-way flight prices are about $195, which is 16% 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 starting from around $18 for economy cars. Top options include:

    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • Which airports can I use when flying from Indianapolis to Ontario?

    Flights from Indianapolis to Ontario usually depart from Indianapolis (IND) and arrive at Ontario (ONT).

  • Which airports do connecting flights from Indianapolis to Ontario pass through?

    One-stop flights from Indianapolis to Ontario most commonly connect through:

    • Denver Intl (DEN) - 65% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 13% of one-stop connections
    • Dallas/Fort Worth (DFW) - 8% of one-stop connections
    • Salt Lake City (SLC) - 6% of one-stop connections

  • Can I save money by using flexible dates for flights from Indianapolis to Ontario?

    Yes. Flexible dates can save you up to 31% on flights from Indianapolis to Ontario. Monday is the cheapest departure day at $320 round-trip on average, while Wednesday is the most expensive at $461, a difference of $141.

    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 Indianapolis to Ontario?

    Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 6h 17m, compared with 6h 17m via Nashville Intl (BNA) and 6h 44m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between Indianapolis and Ontario?

    Ontario is 3 hours behind Indianapolis (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 Indianapolis 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 Wednesday. On this route, Monday flights average $320, about $141 less than Wednesday fares (31% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 3 weeks before you fly. On this route, that window historically saves about 26% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Indianapolis to Ontario trip for August. Fares historically average $318 round-trip in that month - typically $253 less than the most expensive month, which is January (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
    • La Quinta Inn & Suites by Wyndham Ontario Airport
    • Ontario Airport Inn

More options for your flight from Indianapolis to Ontario

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

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario