Plan to arrive at SEA at least two hours before your flight. Use SEA Spot Saver for free security screening appointments to reduce wait times.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $127 (Delta) |
One-way from | $68 (Southwest) |
Popular in | December |
Cheapest in | January |
Average price | $282 |
Good round-trip deal | $184 or less |
Good one-way deal | $101 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Wed 1/28
5:52 pm-8:04 pm
Nonstop2h 12m
San Jose
Sat 1/31
6:02 pm-8:20 pm
Nonstop2h 18m
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Thu 12/4
12:45 pm-6:18 pm
1 stop5h 33m
San Jose
Sun 12/7
7:00 am-2:44 pm
1 stop7h 44m
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Wed 1/28
2:59 pm-5:08 pm
Nonstop2h 09m
San Jose
Sun 2/1
6:15 am-8:36 am
Nonstop2h 21m
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Fri 1/16
7:55 am-10:10 am
Nonstop2h 15m
San Jose
Sun 1/18
7:00 am-9:15 am
Nonstop2h 15m
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Fri 1/16
7:30 am-9:48 am
Nonstop2h 18m
San Jose
Sat 1/17
1:59 pm-8:35 pm
1 stop6h 36m
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Sat 12/13
12:45 pm-4:51 pm
1 stop4h 06m
San Jose
Sun 12/14
6:18 am-8:45 am
Nonstop2h 27m
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Fri 1/16
12:30 pm-2:42 pm
Nonstop2h 12m
San Jose
Mon 1/19
9:05 am-11:21 am
Nonstop2h 16m
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Mon 12/15
11:30 am-1:50 pm
Nonstop2h 20m
San Jose
Thu 12/18
6:15 am-8:41 am
Nonstop2h 26m
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Wed 12/24
5:20 am-8:58 am
1 stop3h 38m
San Jose
Mon 1/5
5:55 pm-12:41 am
1 stop6h 46m
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Tue 1/20
11:35 am-4:37 pm
1 stop5h 02m
San Jose
Fri 1/23
1:59 pm-6:43 pm
1 stop4h 44m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Seattle to San Jose, California, you should look to book at least 49 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, January is the cheapest month in which you can book a flight from Seattle to San Jose, California (average of $87). Flying from Seattle to San Jose, California in May is currently the most expensive (average of $137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
One of the essential ways to save on airfare from Seattle to San Jose, California is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 4% on airfare.
Travelers seeking maximum savings on their Seattle to San Jose, California flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Crew
Comfort
Boarding
Entertainment
Food
Overall
Reviews
Anonymous,Sep 2025
SEA - MKE
Crew
Comfort
Boarding
Entertainment
Food
Overall
Reviews
Anonymous,Sep 2025
SEA - MKE
Crew
Comfort
Boarding
Entertainment
Food
Overall
Reviews
Anonymous,Sep 2025
SEA - MKE
Crew
Comfort
Boarding
Entertainment
Food
Overall
Reviews
Anonymous,Sep 2025
SEA - MKE
Crew
Comfort
Boarding
Entertainment
Food
Overall
Reviews
Anonymous,Sep 2025
SEA - MKE
Crew
Comfort
Boarding
Entertainment
Food
Overall
Reviews
Anonymous,Sep 2025
SEA - MKE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$237 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$108 | Average$226 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$110 | Average$227 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$128 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$136 | Average$226 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$137 | Average$292 | FlexibilityNo cancel fee | On-time75% |