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On average save $240 per traveler
10/08/25
6:27pm
ONT
12h 48m
SFO
10/09/25
7:15am
SJO
10/11/25
1:26am
SJO
5h 34m
Direct
10/11/25
7:00am
ONT
$581
Free cancellation within 83 hours of booking
10/06/25
6:27pm
ONT
12h 48m
SFO
10/07/25
7:15am
SJO
10/12/25
1:26am
SJO
5h 34m
Direct
10/12/25
7:00am
ONT
$581
Free cancellation within 83 hours of booking
10/04/25
11:25pm
ONT
14h 5m
SAL
10/05/25
1:30pm
SJO
11/04/25
2:26am
SJO
4h 34m
Direct
11/04/25
7:00am
ONT
$601
Free cancellation within 83 hours of booking
10/04/25
11:25pm
ONT
11h 50m
SAL
10/05/25
11:15am
SJO
11/04/25
11:59pm
SJO
12h 20m
JFK
11/05/25
12:19pm
ONT
$641
Free cancellation within 83 hours of booking
10/17/25
6:00am
ONT
25h 15m
SFO
10/18/25
7:15am
SJO
10/22/25
8:37am
SJO
14h 16m
SFO
10/22/25
10:53pm
ONT
$675
Free cancellation within 83 hours of booking
10/09/25
11:00pm
ONT
13h 55m
JFK
10/10/25
12:55pm
SJO
10/16/25
1:00pm
SJO
20h 6m
FLL
10/17/25
9:06am
ONT
$681
Free cancellation within 83 hours of booking
Top Deals on flights from Ontario International Airport to San Jose
Los Angeles, US (LAX) - San Jose, CR (SJO)
Aug 23
11:02pm
ONT
14h 18m
CLT
Aug 24
1:20pm
SJO
as low as
$191
Los Angeles, US (LAX) - San Jose, CR (SJO)
Aug 18
11:59pm
ONT
13h 21m
DFW
Aug 19
1:20pm
SJO
as low as
$191
Los Angeles, US (LAX) - San Jose, CR (SJO)
Aug 18
8:01pm
ONT
15h 14m
PHX
MIA
Aug 19
11:15am
SJO
as low as
$191
Los Angeles, US (LAX) - San Jose, CR (SJO)
Aug 20
6:04am
ONT
13h 33m
IAH
Aug 20
7:37pm
SJO
as low as
$209
Los Angeles, US (LAX) - San Jose, CR (SJO)
Sep 2
6:36pm
ONT
12h 39m
SFO
Sep 3
7:15am
SJO
as low as
$209
Los Angeles, US (LAX) - San Jose, CR (SJO)
May 27
10:59pm
ONT
13h 50m
JFK
May 28
12:49pm
SJO
as low as
$247
Los Angeles, US (LAX) - San Jose, CR (SJO)
May 31
6:41pm
ONT
19h 13m
SFO
PTY
Jun 1
1:54pm
SJO
as low as
$310
Los Angeles, US (LAX) - San Jose, CR (SJO)
Apr 28
5:15pm
ONT
18h 40m
SLC
ATL
Apr 29
11:55am
SJO
as low as
$320
Los Angeles, US (LAX) - San Jose, CR (SJO)
May 19
7:05pm
ONT
16h 54m
SEA
ATL
May 20
11:59am
SJO
as low as
$320
Los Angeles, US (LAX) - San Jose, CR (SJO)
Jun 15
11:25pm
ONT
11h 50m
SAL
Jun 16
11:15am
SJO
as low as
$325
Los Angeles, US (LAX) - San Jose, CR (SJO)
Apr 8
5:00am
ONT
16h 20m
DEN
YYZ
Apr 8
9:20pm
SJO
as low as
$553
Los Angeles, US (LAX) - San Jose, CR (SJO)
Apr 6
10:18am
ONT
36h 22m
PDX
MIA
Apr 7
10:40pm
SJO
as low as
$754
Flights to San Jose
Return flights
Flights From San Jose To Ontario International AirportBrowse origins
- Flights
- North America
- United States
- California
- Los Angeles
- Ontario International Airport
Browse destinations
- Flights
- Caribbean
- Costa Rica
- San Jose
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