
Flights from Seattle to Rialto
Cheapest flights from Seattle
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.

Sat, Aug 23 - Tue, Aug 26
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$140 Roundtrip, just found
$140
Roundtrip
just found

Thu, Jul 31 - Tue, Aug 5
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$143 Roundtrip, found 4 days ago
$143
Roundtrip
found 4 days ago

Sat, Aug 2 - Tue, Aug 5
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$154 Roundtrip, found 4 days ago
$154
Roundtrip
found 4 days ago

Wed, Jul 23 - Tue, Jul 29
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$155 Roundtrip, found 6 hours ago
$155
Roundtrip
found 6 hours ago

Tue, Jul 29 - Tue, Aug 5
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$157 Roundtrip, found 4 days ago
$157
Roundtrip
found 4 days ago

Mon, Sep 15 - Mon, Sep 22
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$159 Roundtrip, found 1 day ago
$159
Roundtrip
found 1 day ago

Sat, Aug 23 - Tue, Aug 26
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$160 Roundtrip, just found
$160
Roundtrip
just found

Tue, Jul 22 - Tue, Jul 29
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$165 Roundtrip, found 6 hours ago
$165
Roundtrip
found 6 hours ago

Sat, Aug 23 - Tue, Aug 26
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$167 Roundtrip, just found
$167
Roundtrip
just found

Sat, Aug 23 - Tue, Aug 26
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$167 Roundtrip, just found
$167
Roundtrip
just found

Sun, Sep 14 - Fri, Sep 19
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$169 Roundtrip, found 1 day ago
$169
Roundtrip
found 1 day ago

Sat, Aug 23 - Tue, Aug 26
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$170 Roundtrip, just found
$170
Roundtrip
just found

Sat, Jul 26 - Tue, Jul 29
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$175 Roundtrip, found 6 hours ago
$175
Roundtrip
found 6 hours ago

Sat, Aug 23 - Tue, Aug 26
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$177 Roundtrip, just found
$177
Roundtrip
just found

Sat, Sep 13 - Sat, Sep 20
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago

Tue, Sep 16 - Mon, Sep 22
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$178 Roundtrip, found 1 day ago
$178
Roundtrip
found 1 day ago

Sat, Aug 23 - Tue, Aug 26
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$182 Roundtrip, just found
$182
Roundtrip
just found

Sat, Aug 2 - Mon, Aug 4
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$183 Roundtrip, found 4 days ago
$183
Roundtrip
found 4 days ago

Fri, Sep 12 - Thu, Sep 18
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$207 Roundtrip, found 1 day ago
$207
Roundtrip
found 1 day ago

Fri, Sep 12 - Thu, Sep 18
PAE
Seattle Paine Field Intl. Airport
ONT
Los Angeles - Ontario Intl.
$306 Roundtrip, found 1 day ago
$306
Roundtrip
found 1 day ago