Find cheap Southwest flights to San Jose
RDU — SJC
Aug 26 — Sep 21
Round-trip
1 adult, Economy
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Cheapest Southwest flights from USA to San JoseExplore the most affordable Southwest flight options available from USA to San Jose. Find the lowest fares with prices last updated on July 27, 2026.
Explore the most affordable Southwest flight options available from USA to San Jose. Find the lowest fares with prices last updated on July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:25 pm
ONT
- SJC
Nonstop1h 10m
Southwest
Sat 8/155:00 pm
SJC
- ONT
Nonstop1h 20m
Southwest
Deal found 7/22![Southwest logo]()
$97
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:30 pm
LAX
- SJC
Nonstop1h 10m
Southwest
Wed 8/261:30 pm
SJC
- LAX
Nonstop1h 20m
Southwest
Deal found 7/22![Southwest logo]()
$97
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:05 pm
LAX
- SJC
Nonstop1h 10m
Southwest
Thu 8/207:30 am
SJC
- LAX
1 stop3h 20m
Southwest
Deal found 7/22![Southwest logo]()
$103
Best Southwest flights from USA to San JoseDiscover carefully curated Southwest flight deals from USA to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
Discover carefully curated Southwest flight deals from USA to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:35 am
ONT
- SJC
Nonstop1h 15m
Southwest
Mon 9/148:10 pm
SJC
- ONT
Nonstop1h 15m
Southwest
Deal found 7/22![Southwest logo]()
$97
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:35 am
ONT
- SJC
Nonstop1h 15m
Southwest
Sat 10/311:30 am
SJC
- ONT
1 stop6h 25m
Southwest
Deal found 7/23![Southwest logo]()
$107
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:30 pm
LAX
- SJC
Nonstop1h 15m
Southwest
Tue 9/154:40 pm
SJC
- LAX
1 stop4h 35m
Southwest
Deal found 7/23![Southwest logo]()
$107
Direct Southwest flights from USA to San JoseExplore non-stop Southwest flight options from USA to San Jose based on user searches, and compare prices and availability for your desired travel dates. Data last updated July 27, 2026.
Explore non-stop Southwest flight options from USA to San Jose based on user searches, and compare prices and availability for your desired travel dates. Data last updated July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:25 pm
ONT
- SJC
Nonstop1h 10m
Southwest
Mon 9/146:30 am
SJC
- ONT
Nonstop1h 20m
Southwest
Deal found 7/24![Southwest logo]()
$97
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:30 pm
LAX
- SJC
Nonstop1h 10m
Southwest
Wed 8/261:30 pm
SJC
- LAX
Nonstop1h 20m
Southwest
Deal found 7/22![Southwest logo]()
$97
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:05 am
ONT
- SJC
Nonstop1h 10m
Southwest
Fri 9/116:30 am
SJC
- ONT
Nonstop1h 20m
Southwest
Deal found 7/22![Southwest logo]()
$112
Last-minute Southwest flights from USA to San JoseDiscover last-minute Southwest flight deals from USA to San Jose. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute Southwest flight deals from USA to San Jose. Data last updated July 27, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:25 pm
ONT
- SJC
Nonstop1h 10m
Southwest
Sat 8/155:00 pm
SJC
- ONT
Nonstop1h 20m
Southwest
Deal found 7/22![Southwest logo]()
$97
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:30 pm
LAX
- SJC
Nonstop1h 10m
Southwest
Wed 8/261:30 pm
SJC
- LAX
Nonstop1h 20m
Southwest
Deal found 7/22![Southwest logo]()
$97
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:05 pm
LAX
- SJC
Nonstop1h 10m
Southwest
Thu 8/207:30 am
SJC
- LAX
1 stop3h 20m
Southwest
Deal found 7/22![Southwest logo]()
$103
One-way Southwest flights to San JoseSearch for one-way Southwest flight options to San Jose. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
Search for one-way Southwest flight options to San Jose. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:45 pm
ONT
- SJC
Nonstop1h 10m
Southwest
Deal found 7/22![Southwest logo]()
$49
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:45 pm
ONT
- SJC
1 stop3h 20m
Southwest
Deal found 7/23![Southwest logo]()
$54
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:25 am
LAX
- SJC
2 stops7h 25m
Southwest
Deal found 7/23![Southwest logo]()
$64
Flights to San Jose with Southwest at a glance
Find detailed information about Southwest flights from USA to San Jose. Explore the options provided by Southwest to plan your journey from USA to San Jose. Data last updated July 27, 2026.
Cheapflights Insights
Find cheap Southwest flights to San Jose
US0-SJC
ONT-SJC
LAX-SJC
How long is the flight to San Jose with Southwest?
On average, Southwest flights from the United States to San Jose take 3 hours 38 minutes. Flights to San Jose from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.
Southwest weekly flight availability to San Jose
The most flights to San Jose operated by Southwest are scheduled on a Monday (86 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (59 on average).
When is the best time to book a flight to San Jose with Southwest?
The best time to book a flight to San Jose with Southwest is 52 days before departure. On average, fares are higher if you book 2 days before departure.
When is the cheapest time to fly to San Jose with Southwest?
Users looking for the cheapest Southwest fares to San Jose should consider flying on Friday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday evenings, when prices are usually at their highest.
FAQs about flights to San Jose with Southwest
Reviews of Southwest
See what Cheapflights users have to say about their Southwest experience.
Overview
Reviews
Southwest
4,229 reviews
Overview
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Recent reviews
10.0
|Jul 2026Good
8.0
|Jun 2026One delay in a 2 layover flight=a good trip. The crew was great.
6.0
|Jun 2026The seats were super cramped and couldn’t move without hitting other passengers
8.0
|Jun 2026The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
10.0
|Jun 2026On time and no problems
1 out of 1410
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