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Good to Know: Flights to ONT
Useful information for finding cheap flights to Ontario International and booking your next trip
Cheapest Round Trip Flight
$397
Frontier Airlines
• 2 stops
• 25h 7m
Oct 11 – Oct 18
The cheapest round trip flight from Indianapolis to Ontario (IND-ONT-IND) is currently $397
Cheapest One way Flight
$583
Delta Airlines
• 1 stop
• 12h 34m
Oct 09
The cheapest one way flight from Indianapolis to Ontario (IND-ONT) is currently $583
Cheapest Direct Flight
$342
Alaska Airlines
• nonstop
• 7h 18m
Oct 13
The cheapest nonstop flight from Indianapolis to Ontario (IND-ONT) is currently $342
Fastest Flight
7h 15m
The fastest nonstop flight from Indianapolis to Ontario (IND-ONT) takes 7h 15m
Top Airlines Flying to Ontario International (ONT)
Best Flight Deals to Ontario
Identify the most efficient round-trip flights to Ontario. We present options balancing cost and convenience for your return journey.
Oct 11 - Oct 18, Economy
Indianapolis → Ontario
25h 7m
10:22 PM - 11:16 AM • 2 stops
Indianapolis → Ontario
9h 18m
6:15 AM - 3:13 PM • 1 stop
Frontier Airlines
Oct 14 - Oct 18, Economy
Indianapolis → Ontario
17h 22m
10:22 PM - 7:05 PM • 1 stop
Indianapolis → Ontario
9h 18m
6:15 AM - 3:13 PM • 1 stop
Frontier Airlines
Oct 10 - Oct 22, Economy
Indianapolis → Ontario
17h 22m
7:59 PM - 7:40 PM • 3 stops
Indianapolis → Ontario
9h 18m
6:15 AM - 3:13 PM • 1 stop
Frontier Airlines
Oct 15 - Oct 19, Economy
Indianapolis → Ontario
25h 7m
9:06 PM - 7:08 PM • 2 stops
Indianapolis → Ontario
40h 21m
12:01 PM - 10:26 AM • 3 stops
Frontier Airlines
Oct 13 - Oct 17, Economy
Indianapolis → Ontario
14h 14m
4:55 PM - 10:49 PM • 1 stop
Indianapolis → Ontario
9h 11m
1:22 PM - 10:13 PM • 1 stop
United Airlines
For travel requiring no set return, access available one-way flights to Ontario (ONT). These options support extended stays or open-ended plans.
Need to travel to Ontario soon? View current last-minute flight options to ONT for spontaneous or pressing plans.
Oct 11 - Oct 18, Economy
Indianapolis → Ontario
25h 7m
10:22 PM - 11:16 AM • 2 stops
Indianapolis → Ontario
9h 18m
6:15 AM - 3:13 PM • 1 stop
Frontier Airlines
Oct 10 - Oct 22, Economy
Indianapolis → Ontario
13h 56m
5:23 PM - 10:59 PM • 1 stop
Indianapolis → Ontario
5h 58m
4:01 PM - 10:59 PM • nonstop
American Airlines
Maximize your time in Ontario, not in transit. Discover non-stop direct flights to ONT for the quickest, most straightforward journey to the Strip.
Oct 13 - Oct 17, Economy
Indianapolis → Ontario
7h 18m
7:00 AM - 8:38 AM • nonstop
Indianapolis → Ontario
6h 40m
9:51 AM - 4:51 PM • nonstop
Alaska Airlines
Oct 10 - Oct 22, Economy
Indianapolis → Ontario
7h 15m
5:00 PM - 6:35 PM • nonstop
Indianapolis → Ontario
5h 58m
4:01 PM - 10:59 PM • nonstop
Alaska Airlines
Oct 15 - Oct 19, Economy
Indianapolis → Ontario
7h 15m
5:00 PM - 6:35 PM • nonstop
Indianapolis → Ontario
5h 58m
4:01 PM - 10:59 PM • nonstop
Alaska Airlines
Oct 10 - Oct 22, Economy
Indianapolis → Ontario
7h 18m
7:00 AM - 8:38 AM • nonstop
Indianapolis → Ontario
5h 58m
4:01 PM - 10:59 PM • nonstop
Alaska Airlines
Oct 15 - Oct 19, Economy
Indianapolis → Ontario
10h 15m
6:05 AM - 9:20 AM • nonstop
Indianapolis → Ontario
10h
3:25 PM - 12:25 AM • nonstop
Southwest Airlines
FAQs on Flights to Ontario (ONT)
Which airlines fly to Ontario?
Airlines flying the most to Ontario (ONT)
What is the cheapest flight to ONT Airport?
In the past couple of days, the cheapest tickets to ONT were found on DL : USD 583
What are the most popular origin to Ontario (ONT)?
Travelers frequently travel from Indianapolis, Cancún to Ontario (ONT)
Essential Information for Booking Flights from Ontario (ONT) - AI Insights
What's the cheapest airline to ont?
Frontier Airlines offers budget-friendly flights from Ontario International Airport (ONT) to your destination. As a one-way passenger, you can expect to pay around $X for a low fare. Booking in advance, you can secure your seat for a low fare and enjoy a convenient round-trip journey. For the best deals, consider booking at least 26 days in advance.
What's the popular airline to fly to ont?
For a one-way flight from Ontario International Airport (ONT) to Ontario International Airport (ONT), consider Southwest Airlines (WN) for a budget-friendly option. Booking in advance is recommended, as Southwest Airlines often offers savings for early bookings.
What's the cheapest day of the week to fly to ont?
The cheapest day of the week to fly to Ontario International Airport is Thursday. Booking your round-trip flights to Ontario on Thursday can help you save on airfares. Consider flying on off-peak days like Thursday for budget-friendly flights.
What's the cheapest month to fly to ont?
The cheapest month to fly to Ontario International Airport is October, which is a popular month for weekend getaways. You can find budget-friendly flights to Ontario International Airport during this time. For a round-trip economy flight, consider booking in advance to secure the best airfare. Look for airlines offering Low Fares or Savings on airfares to Ontario International Airport.
Which airline/airlines fly to ont?
The airlines that fly to Ontario International Airport are Southwest Airlines, JetBlue Airways, American Airlines, Delta Airlines, Alaska Airlines, United Airlines, and Frontier Airlines.
What is the cheapest airline to fly from Ontario to Ontario?
Frontier Airlines (F9) is the cheapest airline to fly from Ontario to Ontario.
How early should I book my airfare for a round trip flight?
It is recommended to book your airfare at least 26 days in advance for the best prices.
Can I book a one-way flight on your airline?
No, our airline operates only round trip flights.
What is the process for making a booking on your website?
To make a booking, simply click on the destination and travel dates, then select your preferred flight and cabin type.
Do you offer any discounts for advance bookings?
Yes, we offer discounts for advance bookings.
How do I check-in for my flight?
You can check-in for your flight online or at the airport.
Can I cancel or change my booking if I need to?
Yes, you can cancel or change your booking, but please note that there may be fees involved.
Airport Information: Ontario International (ONT)
- IATA Code
- ONT
- Name
- Ontario International
- City
- Ontario
- Country
- US
- Latitude
- 34.055999755859375
- Longitude
- -117.60099792480469
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