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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
$346
United Airlines
• 1 stop
• 13h 20m
Sep 22 – Sep 23
The cheapest round trip flight from Newark to Ontario (EWR-ONT-EWR) is currently $346
Cheapest One way Flight
$638
Southwest Airlines
• 1 stop
• 31h 55m
Sep 23
The cheapest one way flight from Cancún to Ontario (CUN-ONT) is currently $638
Cheapest Direct Flight
$303
Frontier Airlines
• nonstop
• 5h 21m
Nov 08
The cheapest nonstop flight from Dallas to Ontario (DFW-ONT) is currently $303
Fastest Flight
3h 40m
The fastest nonstop flight from Denver to Ontario (DEN-ONT) takes 3h 40m
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.
Sep 22 - Sep 23, Economy
Newark → Ontario
13h 20m
7:50 AM - 12:50 PM • 1 stop
Newark → Ontario
15h 26m
5:00 AM - 5:26 PM • 1 stop
United Airlines
Sep 20 - Sep 27, Economy
Nashville → Ontario
31h 55m
1:49 PM - 4:59 PM • 1 stop
Nashville → Ontario
24h
8:24 PM - 1:04 PM • 1 stop
Frontier Airlines
Mar 10 - Mar 15, Economy
Orlando → Ontario
12h 10m
5:45 PM - 10:15 PM • 1 stop
Orlando → Ontario
7h 30m
10:10 PM - 6:00 AM • nonstop
Southwest Airlines
Mar 10 - Mar 15, Economy
Orlando → Ontario
13h 45m
7:05 AM - 12:30 PM • 1 stop
Orlando → Ontario
12h 39m
1:00 PM - 11:59 PM • 1 stop
Delta Airlines
Mar 11 - Mar 14, Economy
Orlando → Ontario
12h 37m
11:15 AM - 4:12 PM • 1 stop
Orlando → Ontario
10h 38m
12:00 PM - 9:38 PM • 1 stop
Delta 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.
Sep 20 - Sep 27, Economy
Nashville → Ontario
31h 55m
3:14 PM - 10:30 AM • 1 stop
Nashville → Ontario
24h
8:24 PM - 1:04 PM • 1 stop
Frontier Airlines
Sep 19 - Sep 26, Economy
Nashville → Ontario
28h 20m
5:15 AM - 8:15 PM • 1 stop
Nashville → Ontario
22h 5m
11:55 PM - 3:20 PM • 1 stop
Southwest Airlines
Sep 19 - Sep 26, Economy
Nashville → Ontario
40h 10m
5:50 PM - 4:00 PM • 2 stops
Nashville → Ontario
33h 35m
11:55 PM - 10:10 PM • 1 stop
Southwest Airlines
Sep 19 - Sep 26, Economy
Nashville → Ontario
20h 10m
10:05 AM - 8:15 PM • 2 stops
Nashville → Ontario
23h 40m
11:55 PM - 4:15 PM • 2 stops
Southwest Airlines
Sep 19 - Sep 26, Economy
Nashville → Ontario
29h
5:15 AM - 8:55 PM • 2 stops
Nashville → Ontario
23h 40m
11:55 PM - 4:15 PM • 2 stops
Southwest 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.
Nov 08 - Nov 24, Economy
Dallas → Ontario
5h 21m
5:47 PM - 7:08 PM • nonstop
Dallas → Ontario
5h 14m
12:59 AM - 6:13 AM • nonstop
Frontier Airlines
Sep 19 - Sep 26, Economy
Nashville → Ontario
6h 45m
12:25 PM - 2:30 PM • nonstop
Nashville → Ontario
5h 55m
8:45 AM - 2:40 PM • nonstop
Southwest Airlines
Oct 02 - Oct 09, Economy
Denver → Ontario
3h 40m
6:20 PM - 7:40 PM • nonstop
Denver → Ontario
3h 35m
11:20 AM - 2:35 PM • nonstop
Southwest Airlines
Oct 02 - Oct 09, Economy
Denver → Ontario
3h 45m
1:00 PM - 2:25 PM • nonstop
Denver → Ontario
3h 35m
11:20 AM - 2:35 PM • nonstop
Southwest Airlines
Oct 02 - Oct 09, Economy
Denver → Ontario
3h 45m
8:30 AM - 9:55 AM • nonstop
Denver → Ontario
3h 40m
7:55 PM - 11:15 PM • 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 AS : USD 782
What are the most popular origin to Ontario (ONT)?
Travelers frequently travel from Austin, Nashville, Denver, Dallas, Newark, Orlando, 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 traveling alone, you can find affordable airfare options with this airline. Booking at least 50 days in advance can help you secure the cheapest flights.
What's the popular airline to fly to ont?
For a one-way premium economy flight from Ontario International Airport (ONT) to Ontario International Airport (ONT), it is recommended to book with Southwest Airlines (WN) for enhanced comfort with more legroom and amenities. You can find budget-friendly airfares and airfares on fareleaders.com, a leading airfare comparison platform. Cheap airline tickets can be found by searching for the cheapest flights and airfares on the web.
What's the cheapest day of the week to fly to ont?
The cheapest day to fly to Ontario International Airport is Wednesday. Flying on this day can help you save on airfares. You can find budget-friendly flights to Ontario International Airport by booking in advance, ideally 50 days prior to your trip. This can lead to savings on airfares, making your travel more affordable.
What's the cheapest month to fly to ont?
The cheapest month to fly to Ontario International Airport is November, as it tends to have lower airfares compared to other months. Booking your flight in advance, with at least 50 days prior to your trip, can help you secure affordable Premium Economy fares. You can expect to find budget-friendly flights to Ontario during these periods.
Which airline/airlines fly to ont?
Frontier Airlines, American Airlines, United Airlines, Southwest Airlines, Sun Country Airlines, WestJet Airlines, Hawaiian Airlines, Alaska Airlines, Delta Airlines, and JetBlue Airways offer flights to Ontario International Airport.
What is the cheapest airline to fly from Ontario to Ontario?
Frontier Airlines (F9) offers the cheapest airline options for your trip.
How far in advance can I book an airline ticket for a one-way trip?
You can book an airline ticket for a one-way trip up to 50 days in advance.
What is the difference between Premium Economy and other cabin types?
Premium Economy offers enhanced comfort with more legroom and amenities.
Can I book a flight for a weekend getaway?
Yes, you can book a flight for a weekend getaway on our website.
How do I find the best airfares for my travel dates?
You can find the best airfares for your travel dates by using our airfare comparison tool.
What is the process for booking an airline ticket on your website?
To book an airline ticket on our website, simply enter your travel dates and destinations.
Can I search for flights by destination or airport code?
Yes, you can search for flights by destination or airport code on our website.
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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Flights from Atlanta (ATL)
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to Ontario (ONT)
Flights from Phoenix (PHX)
to Ontario (ONT)
Flights from New York (LGA)
to Ontario (ONT)
Flights from New York (LGA)
to Ontario (ONT)
Flights from Houston (IAH)
to Ontario (ONT)
Flights from Houston (IAH)
to Ontario (ONT)
Flights from Denver (DEN)
to Ontario (ONT)
Flights from Denver (DEN)
to Ontario (ONT)
Flights from Kansas City (MCI)
to Ontario (ONT)
Flights from Kansas City (MCI)
to Ontario (ONT)
Flights from Baltimore (BWI)
to Ontario (ONT)
Flights from Baltimore (BWI)
to Ontario (ONT)
Flights from New York (JFK)
to Ontario (ONT)
Flights from Cleveland (CLE)
to Ontario (ONT)
Flights from Cleveland (CLE)
to Ontario (ONT)
Flights from Orlando (MCO)
to Ontario (ONT)
Flights from Orlando (MCO)
to Ontario (ONT)
Flights from Seattle (SEA)
to Ontario (ONT)
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