
Flights from Ontario
Cheapest flights from Ontario
These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 28 - Mon, Aug 4
ONT
Los Angeles - Ontario Intl.
SFO
San Francisco Intl.
$48 Roundtrip, found 6 hours ago
$48
Roundtrip
found 6 hours ago

Sun, Aug 17 - Mon, Aug 18
SNA
John Wayne
LAS
Harry Reid Intl.
$66 Roundtrip, found 2 days ago
$66
Roundtrip
found 2 days ago

Wed, Nov 12 - Wed, Nov 19
ONT
Los Angeles - Ontario Intl.
LAS
Harry Reid Intl.
$68 Roundtrip, found 4 days ago
$68
Roundtrip
found 4 days ago

Mon, Jul 14 - Mon, Jul 21
SNA
John Wayne
SFO
San Francisco Intl.
$84 Roundtrip, found 3 days ago
$84
Roundtrip
found 3 days ago

Fri, Jul 18 - Fri, Jul 18
ONT
Los Angeles - Ontario Intl.
DEN
Denver Intl.
$103 Roundtrip, found 21 hours ago
$103
Roundtrip
found 21 hours ago

Tue, Sep 23 - Sat, Oct 4
SNA
John Wayne
DEN
Denver Intl.
$108 Roundtrip, found 3 days ago
$108
Roundtrip
found 3 days ago

Thu, Aug 21 - Sat, Aug 23
ONT
Los Angeles - Ontario Intl.
DFW
Dallas-Fort Worth Intl.
$114 Roundtrip, found 1 day ago
$114
Roundtrip
found 1 day ago

Sat, Jul 12 - Tue, Jul 15
ONT
Los Angeles - Ontario Intl.
PHX
Sky Harbor Intl.
$125 Roundtrip, found 4 days ago
$125
Roundtrip
found 4 days ago

Tue, Aug 5 - Tue, Aug 19
ONT
Los Angeles - Ontario Intl.
SEA
Seattle - Tacoma Intl.
$130 Roundtrip, found 2 days ago
$130
Roundtrip
found 2 days ago

Tue, Oct 28 - Sat, Nov 1
SNA
John Wayne
ORD
O'Hare Intl.
$179 Roundtrip, found 6 days ago
$179
Roundtrip
found 6 days ago

Tue, Aug 19 - Tue, Aug 26
SNA
John Wayne
SEA
Seattle - Tacoma Intl.
$187 Roundtrip, found 2 days ago
$187
Roundtrip
found 2 days ago

Mon, Aug 18 - Sat, Aug 23
SNA
John Wayne
EWR
Newark Liberty Intl. Airport
$195 Roundtrip, found 1 day ago
$195
Roundtrip
found 1 day ago

Tue, Oct 21 - Mon, Oct 27
LGB
Long Beach Municipal
SLC
Salt Lake City Intl.
$197 Roundtrip, found 2 days ago
$197
Roundtrip
found 2 days ago

Sat, Sep 6 - Sat, Sep 20
SNA
John Wayne
SLC
Salt Lake City Intl.
$202 Roundtrip, found 5 hours ago
$202
Roundtrip
found 5 hours ago

Tue, Aug 19 - Tue, Aug 26
SNA
John Wayne
PAE
Seattle Paine Field Intl. Airport
$216 Roundtrip, found 2 days ago
$216
Roundtrip
found 2 days ago

Fri, Aug 8 - Tue, Aug 12
ONT
Los Angeles - Ontario Intl.
ORD
O'Hare Intl.
$219 Roundtrip, found 2 days ago
$219
Roundtrip
found 2 days ago

Sat, Sep 13 - Tue, Sep 16
ONT
Los Angeles - Ontario Intl.
DAL
Love Field
$237 Roundtrip, found 4 hours ago
$237
Roundtrip
found 4 hours ago

Sun, Dec 14 - Mon, Dec 22
ONT
Los Angeles - Ontario Intl.
SLC
Salt Lake City Intl.
$239 Roundtrip, found 5 days ago
$239
Roundtrip
found 5 days ago

Fri, Aug 8 - Mon, Aug 11
ONT
Los Angeles - Ontario Intl.
PAE
Seattle Paine Field Intl. Airport
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago

Wed, Oct 1 - Wed, Oct 8
ONT
Los Angeles - Ontario Intl.
JFK
John F. Kennedy Intl.
$267 Roundtrip, found 3 days ago
$267
Roundtrip
found 3 days ago