$267 Cheap flights to Ontario International (ONT) - Fareleaders

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Find Cheap Flights to Los Angeles, 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

$368

DLDelta Airlines• 1 stop • 12h

Jun 25 – Jun 29

The cheapest round trip flight from Lehigh Valley International to Ontario International is currently $368

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Cheapest Direct Flight

$267

WNSouthwest Airlines• nonstop• 3h 40m

Jul 31

The cheapest nonstop flight from Denver International to Ontario International is currently $267

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Fastest Flight

3h 40m

The fastest nonstop flight from Denver International to Ontario International takes 3h 40m

Flight deals to Ontario

Jun 25 - Jun 29, Economy
DL
Allentown → Ontario
12h
6:05 PM - 10:25 PM • 1 stop
DL
Allentown → Ontario
15h 36m
9:53 AM - 10:29 PM • 1 stop
$368
Delta Airlines
Jun 25 - Jun 29, Economy
DL
Allentown → Ontario
12h 37m
6:00 AM - 10:57 AM • 1 stop
DL
Allentown → Ontario
15h 36m
9:53 AM - 10:29 PM • 1 stop
$368
Delta Airlines
Jun 25 - Jun 29, Economy
UA
Allentown → Ontario
12h 31m
5:35 PM - 10:26 PM • 1 stop
UA
Allentown → Ontario
13h 30m
10:15 AM - 9:25 PM • 1 stop
$458
United Airlines
Jun 25 - Jun 29, Economy
DL
Allentown → Ontario
12h
6:05 PM - 10:25 PM • 1 stop
DL
Allentown → Ontario
40h 34m
6:55 PM - 10:29 PM • 2 stops
$915
Delta Airlines
Jun 25 - Jun 29, Economy
DL
Allentown → Ontario
20h 28m
12:57 PM - 10:25 PM • 1 stop
DL
Allentown → Ontario
12h 20m
11:49 AM - 10:29 PM • 1 stop
$1008
Delta Airlines
Jun 25 - Jun 29, Economy
DL
Allentown → Ontario
27h 34m
6:00 AM - 7:54 PM • 1 stop
DL
Allentown → Ontario
18h 32m
10:05 PM - 12:17 PM • 1 stop
$1177
Delta 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 915
What are the most popular origin to Ontario (ONT)?
Travelers frequently travel from Allentown, Denver to Ontario (ONT)

Destination Airport Information

IATA CodeONT
NameOntario International
CityOntario
CountryUS
Latitude34.055999755859375
Longitude-117.60099792480469

Popular Airlines

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

Popular Origin & Destination