Search Flights to Ontario (ONT)

Good to Know: Flights to ONT

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

Cheapest Round Trip Flight

$740

UAUnited Airlinesβ€’ 1 stop β€’

Sep 16 – Sep 18

The cheapest round trip flight from Outagamie County Airport to Ontario International is currently $740

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Cheapest One way Flight

$257

UAUnited Airlinesβ€’ 2 stopsβ€’ 37h 26m

Sep 16

The cheapest one way flight from Los Cabos International to Ontario International is currently $257

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Cheapest Direct Flight

$409

DLDelta Airlinesβ€’ nonstopβ€’ 8h 47m

Sep 16

The cheapest nonstop flight from Baltimore/Washington International Thurgood Marsha to Ontario International is currently $409

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Fastest Flight

5h 18m

The fastest nonstop flight from Dallas Fort Worth International to Ontario International takes 5h 18m

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 16 - Sep 18, Economy
UA
Appletonl β†’ Ontario
- β€’ 1 stop
UA
Appletonl β†’ Ontario
- β€’ 1 stop
$740
United Airlines
Sep 16 - Sep 18, Economy
UA
Appletonl β†’ Ontario
25h 52m
- β€’ 2 stops
UA
Appletonl β†’ Ontario
12h 39m
- β€’ 2 stops
$952
United Airlines
Sep 16 - Sep 18, Economy
DL
Appletonl β†’ Ontario
20h 22m
7:00 AM - 3:57 PM β€’ 2 stops
DL
Appletonl β†’ Ontario
14h 5m
11:55 AM - 10:40 PM β€’ 1 stop
$1001
Delta Airlines
Sep 16 - Sep 18, Economy
DL
Appletonl β†’ Ontario
16h 45m
7:00 AM - 7:15 PM β€’ 2 stops
DL
Appletonl β†’ Ontario
14h 5m
11:55 AM - 10:40 PM β€’ 1 stop
$1001
Delta Airlines
Sep 16 - Sep 18, Economy
DL
Appletonl β†’ Ontario
16h 45m
7:00 AM - 7:15 PM β€’ 2 stops
DL
Appletonl β†’ Ontario
18h 57m
7:05 AM - 8:42 PM β€’ 2 stops
$1004
Delta Airlines
Sep 16 - Sep 18, Economy
DL
Appletonl β†’ Ontario
20h 22m
7:00 AM - 3:57 PM β€’ 2 stops
DL
Appletonl β†’ Ontario
17h 8m
10:00 PM - 10:28 AM β€’ 2 stops
$1004
Delta Airlines

Compare & Book Cheapest 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.

Destination Airport Information

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

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