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Cheap Flights to Ontario (ONT)

Looking for a cheap last-minute deal or the best round-trip flight to Ontario? Find the biggest savings on one-way and round-trip tickets right here.

Good to know

Useful information for finding cheap flights to Ontario International and booking your next trip

Cheapest Round Trip Flight

$560

DL Delta Airlines • 1 stop • 17h 5m

Jun 25 – Jun 28

The cheapest round trip flight from John F Kennedy International to Ontario International is currently $560

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Cheapest One way Flight

$152

DL Delta Airlines • 1 stop • 14h 1m

Jun 26

The cheapest one way flight from Miami International to Ontario International is currently $152

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Cheapest Direct Flight

$71

WN Southwest Airlines • nonstop • 1h 45m

Jul 30

The cheapest nonstop flight from McCarran International to Ontario International is currently $71

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Fastest Flight

1h 40m

The fastest nonstop flight from McCarran International to Ontario International takes 1h 40m

Flight deals to Ontario

Jun 25 - Jun 28, Economy
DL
New York → Ontario
17h 5m
12:29 PM - 7:54 PM • 1 stop
DL
New York → Ontario
12h 23m
1:15 PM - 11:58 PM • 1 stop
$560
Delta Airlines
Jun 25 - Jun 28, Economy
DL
New York → Ontario
15h 25m
1:29 PM - 7:54 PM • 1 stop
DL
New York → Ontario
12h 23m
1:15 PM - 11:58 PM • 1 stop
$560
Delta Airlines
Jun 25 - Jun 28, Economy
DL
New York → Ontario
17h 4m
7:05 AM - 2:29 PM • 1 stop
DL
New York → Ontario
12h 39m
6:00 AM - 4:59 PM • 1 stop
$560
Delta Airlines
Jun 25 - Jun 28, Economy
DL
New York → Ontario
13h 23m
11:25 AM - 4:28 PM • 1 stop
DL
New York → Ontario
16h 41m
11:25 AM - 12:26 AM • 1 stop
$560
Delta Airlines
Jun 25 - Jun 28, Economy
DL
New York → Ontario
13h 52m
6:45 AM - 12:17 PM • 1 stop
DL
New York → Ontario
13h 20m
7:05 AM - 6:05 PM • 1 stop
$560
Delta Airlines
Jun 25 - Jun 28, Economy
AS
New York → Ontario
17h 26m
7:00 AM - 2:46 PM • 1 stop
AS
New York → Ontario
15h 29m
7:00 AM - 7:29 PM • 1 stop
$679
Alaska Airlines

Facts to know while booking 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 152
What are the most popular origin to Ontario (ONT)?
Travelers frequently travel from New York, Las Vegas, Miami to Ontario (ONT)

Destination Airport Information

IATA Code ONT
Name Ontario International
City Ontario
Country US
Latitude 34.055999755859375
Longitude -117.60099792480469

Popular Airlines

Southwest Airlines-WN
Delta Airline, DL
Alaska Airlines -AS
United Airlines, UA
American Airlines, AA
Hawaiian Airlines-HA
Spirit Airlines-NK

Popular Origin & Destination

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