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Everything you should know
Flight Deals
Cheap Flights from Seattle to San Jose (SEA-SJC)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to San Jose that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.
Recent round-trip flight deals from Seattle to San Jose
Sat, Dec 5 - Fri, Dec 11
12:05 pm - 7:15 pmSEA Seattle/Tacoma Intl-SJC San Jose
7h 10m1 stop Las Vegas Harry Reid Intl
12:50 pm - 3:05 pmSJC San Jose-SEA Seattle/Tacoma Intl
2h 15mnonstop
$147Southwest
Mon, Dec 7 - Mon, Dec 7
8:05 am - 10:20 amSEA Seattle/Tacoma Intl-SJC San Jose
2h 15mnonstop
1:40 pm - 10:50 pmSJC San Jose-SEA Seattle/Tacoma Intl
9h 10m1 stop Denver Intl
$147Southwest
Thu, Nov 19 - Mon, Nov 23
5:15 am - 12:00 pmSEA Seattle/Tacoma Intl-SJC San Jose
6h 45m2 stops Sacramento Intl Los Angeles
8:45 pm - 11:10 pmSJC San Jose-SEA Seattle/Tacoma Intl
2h 25mnonstop
$149Southwest
Thu, Nov 19 - Tue, Nov 24
7:21 am - 9:43 amSEA Seattle/Tacoma Intl-SJC San Jose
2h 22mnonstop
6:15 am - 8:34 amSJC San Jose-SEA Seattle/Tacoma Intl
2h 19mnonstop
$151Alaska Airlines
Thu, Jan 7 - Tue, Jan 12
6:00 am - 12:08 pmSEA Seattle/Tacoma Intl-SJC San Jose
6h 08m1 stop Phoenix Sky Harbor Intl
12:58 pm - 8:53 pmSJC San Jose-SEA Seattle/Tacoma Intl
7h 55m1 stop Phoenix Sky Harbor Intl
$159American Airlines
Thu, Nov 19 - Tue, Nov 24
9:13 pm - 3:30 pmSEA Seattle/Tacoma Intl-SJC San Jose
18h 17m1 stop Las Vegas Harry Reid Intl
4:15 pm - 12:37 pmSJC San Jose-SEA Seattle/Tacoma Intl
20h 22m1 stop Las Vegas Harry Reid Intl
$160Frontier
Sat, Nov 21 - Mon, Nov 23
5:45 pm - 8:07 pmSEA Seattle/Tacoma Intl-SJC San Jose
2h 22mnonstop
7:21 am - 9:54 amSJC San Jose-SEA Seattle/Tacoma Intl
2h 33mnonstop
$161Delta
Thu, Nov 19 - Tue, Nov 24
8:30 am - 10:50 amSEA Seattle/Tacoma Intl-SJC San Jose
2h 20mnonstop
7:25 pm - 9:50 pmSJC San Jose-SEA Seattle/Tacoma Intl
2h 25mnonstop
$161Delta
Sun, Nov 22 - Tue, Dec 1
8:27 pm - 10:40 pmSEA Seattle/Tacoma Intl-SJC San Jose
2h 13mnonstop
6:15 am - 8:34 amSJC San Jose-SEA Seattle/Tacoma Intl
2h 19mnonstop
$164Alaska Airlines
Tue, Dec 29 - Fri, Jan 1
7:10 am - 9:28 amSEA Seattle/Tacoma Intl-SJC San Jose
2h 18mnonstop
6:15 am - 8:35 amSJC San Jose-SEA Seattle/Tacoma Intl
2h 20mnonstop
$167Alaska Airlines
Recent one-way flight deals from Seattle to San Jose
Tue, Dec 22
9:41 pm - 11:59 pmSEA Seattle/Tacoma Intl-SJC San Jose
2h 18mnonstop
$79Alaska Airlines
Sat, Jan 30
8:19 pm - 10:30 pmSEA Seattle/Tacoma Intl-SJC San Jose
2h 11mnonstop
$79Alaska Airlines
Sat, Jan 16
7:50 pm - 10:12 pmSEA Seattle/Tacoma Intl-SJC San Jose
2h 22mnonstop
$79Delta
Mon, Dec 21
7:50 pm - 10:15 pmSEA Seattle/Tacoma Intl-SJC San Jose
2h 25mnonstop
$79Delta
Fri, Dec 18
11:20 am - 5:35 pmSEA Seattle/Tacoma Intl-SJC San Jose
6h 15m1 stop Long Beach Municipal
$79Southwest
Thu, Dec 17
7:55 am - 3:20 pmSEA Seattle/Tacoma Intl-SJC San Jose
7h 25m1 stop San Diego
$79Southwest
Tue, Dec 29
7:10 am - 9:28 amSEA Seattle/Tacoma Intl-SJC San Jose
2h 18mnonstop
$79Alaska Airlines
Tue, Nov 24
11:20 am - 5:35 pmSEA Seattle/Tacoma Intl-SJC San Jose
6h 15m1 stop Long Beach Municipal
$79Southwest
Fri, Jan 8
6:00 am - 12:08 pmSEA Seattle/Tacoma Intl-SJC San Jose
6h 08m1 stop Phoenix Sky Harbor Intl
$80American Airlines
Sun, Dec 6
9:09 pm - 3:03 pmSEA Seattle/Tacoma Intl-SJC San Jose
17h 54m1 stop Las Vegas Harry Reid Intl
$80Frontier
Recent last minute flight deals from Seattle to San Jose
Sat, Nov 7 - Mon, Nov 9
7:48 pm - 8:12 pmSEA Seattle/Tacoma Intl-SJC San Jose
24h 24m1 stop Los Angeles
9:07 pm - 6:33 pmSJC San Jose-SEA Seattle/Tacoma Intl
21h 26m1 stop Los Angeles
$318Frontier
Thu, Nov 5 - Thu, Nov 12
9:13 pm - 1:46 pmSEA Seattle/Tacoma Intl-SJC San Jose
16h 33m1 stop Las Vegas Harry Reid Intl
9:07 pm - 6:33 pmSJC San Jose-SEA Seattle/Tacoma Intl
21h 26m1 stop Los Angeles
$338Frontier
Wed, Nov 4 - Fri, Nov 6
7:48 pm - 8:12 pmSEA Seattle/Tacoma Intl-SJC San Jose
24h 24m1 stop Los Angeles
9:07 pm - 6:33 pmSJC San Jose-SEA Seattle/Tacoma Intl
21h 26m1 stop Los Angeles
$340Frontier
Wed, Nov 4 - Wed, Nov 11
4:38 pm - 6:47 pmSEA Seattle/Tacoma Intl-SJC San Jose
2h 09mnonstop
1:26 pm - 3:41 pmSJC San Jose-SEA Seattle/Tacoma Intl
2h 15mnonstop
$575Alaska Airlines
Thu, Nov 5 - Thu, Nov 12
7:21 am - 9:43 amSEA Seattle/Tacoma Intl-SJC San Jose
2h 22mnonstop
1:26 pm - 3:41 pmSJC San Jose-SEA Seattle/Tacoma Intl
2h 15mnonstop
$575Alaska Airlines
Sat, Nov 7 - Tue, Nov 17
10:56 am - 1:16 pmSEA Seattle/Tacoma Intl-SJC San Jose
2h 20mnonstop
8:03 am - 10:18 amSJC San Jose-SEA Seattle/Tacoma Intl
2h 15mnonstop
$575Alaska Airlines
Wed, Nov 4 - Wed, Nov 11
2:05 pm - 7:50 pmSEA Seattle/Tacoma Intl-SJC San Jose
5h 45m1 stop Las Vegas Harry Reid Intl
5:20 pm - 7:40 pmSJC San Jose-SEA Seattle/Tacoma Intl
2h 20mnonstop
$595Southwest
Wed, Nov 4 - Fri, Nov 6
8:25 am - 10:50 amSEA Seattle/Tacoma Intl-SJC San Jose
2h 25mnonstop
7:31 am - 10:00 amSJC San Jose-SEA Seattle/Tacoma Intl
2h 29mnonstop
$598Delta
Tue, Nov 3 - Thu, Nov 5
5:30 pm - 7:49 pmSEA Seattle/Tacoma Intl-SJC San Jose
2h 19mnonstop
7:31 am - 10:00 amSJC San Jose-SEA Seattle/Tacoma Intl
2h 29mnonstop
$598Delta
Sun, Nov 8 - Sat, Nov 14
7:55 am - 2:25 pmSEA Seattle/Tacoma Intl-SJC San Jose
6h 30m1 stop San Diego
2:25 pm - 8:35 pmSJC San Jose-SEA Seattle/Tacoma Intl
6h 10m1 stop Las Vegas Harry Reid Intl
$605Southwest
Recent direct flight deals from Seattle to San Jose
Thu, Nov 19 - Tue, Nov 24
7:21 am - 9:43 amSEA Seattle/Tacoma Intl-SJC San Jose
2h 22mnonstop
6:15 am - 8:34 amSJC San Jose-SEA Seattle/Tacoma Intl
2h 19mnonstop
$151Alaska Airlines
Tue, Dec 22 - Mon, Dec 28
8:30 am - 10:45 amSEA Seattle/Tacoma Intl-SJC San Jose
2h 15mnonstop
9:45 pm - 12:10 amSJC San Jose-SEA Seattle/Tacoma Intl
2h 25mnonstop
$157Southwest
Tue, Dec 22 - Wed, Dec 30
8:30 am - 10:45 amSEA Seattle/Tacoma Intl-SJC San Jose
2h 15mnonstop
9:45 pm - 12:10 amSJC San Jose-SEA Seattle/Tacoma Intl
2h 25mnonstop
$157Southwest
Fri, Nov 20 - Mon, Nov 23
12:35 pm - 2:55 pmSEA Seattle/Tacoma Intl-SJC San Jose
2h 20mnonstop
8:45 pm - 11:10 pmSJC San Jose-SEA Seattle/Tacoma Intl
2h 25mnonstop
$157Southwest
Thu, Nov 19 - Tue, Nov 24
8:30 am - 10:50 amSEA Seattle/Tacoma Intl-SJC San Jose
2h 20mnonstop
7:25 pm - 9:50 pmSJC San Jose-SEA Seattle/Tacoma Intl
2h 25mnonstop
$161Delta
Sat, Nov 21 - Mon, Nov 23
5:45 pm - 8:07 pmSEA Seattle/Tacoma Intl-SJC San Jose
2h 22mnonstop
7:21 am - 9:54 amSJC San Jose-SEA Seattle/Tacoma Intl
2h 33mnonstop
$161Delta
Sun, Nov 22 - Tue, Dec 1
8:27 pm - 10:40 pmSEA Seattle/Tacoma Intl-SJC San Jose
2h 13mnonstop
6:15 am - 8:34 amSJC San Jose-SEA Seattle/Tacoma Intl
2h 19mnonstop
$164Alaska Airlines
Tue, Dec 29 - Tue, Dec 29
7:10 am - 9:28 amSEA Seattle/Tacoma Intl-SJC San Jose
2h 18mnonstop
9:42 pm - 11:59 pmSJC San Jose-SEA Seattle/Tacoma Intl
2h 17mnonstop
$167Alaska Airlines
Wed, Jan 13 - Mon, Jan 18
2:57 pm - 5:06 pmSEA Seattle/Tacoma Intl-SJC San Jose
2h 09mnonstop
7:00 am - 9:15 amSJC San Jose-SEA Seattle/Tacoma Intl
2h 15mnonstop
$357American Airlines
Thu, Nov 12 - Tue, Nov 17
4:38 pm - 6:47 pmSEA Seattle/Tacoma Intl-SJC San Jose
2h 09mnonstop
4:47 pm - 7:02 pmSJC San Jose-SEA Seattle/Tacoma Intl
2h 15mnonstop
$593American Airlines
Booking Insights
Price, demand and travel trends for Seattle to San Jose flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.
Prices
Airlines
Layovers
More
How much is a round-trip flight from Seattle to San Jose?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Seattle to San Jose departing in december.What's the cheapest day of the week to fly from Seattle to San Jose?
Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Seattle to San Jose. It’s 7% cheaper than the average day, while Monday is the most expensive, with prices 34% higher.
What’s the cheapest month to fly from Seattle to San Jose?
KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Seattle to San Jose, removes the top 0.1% to account for outliers and then takes the median of all values for each month.•October is the cheapest month to fly from Seattle to San Jose at $227 round-trip.
•February ($350) and November ($302) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 54% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
Round-trip flights from Seattle to San Jose typically range from $200 to $427. The lowest price found in the past 5 days was $147, on Southwest.
Which airline is the cheapest to fly from Seattle to San Jose?
Southwest ($147) and Alaska Airlines ($151) are the cheapest airlines to fly round-trip from Seattle to San Jose according to KAYAK data over the last 5 days.
Which airline offers the most nonstop flights between Seattle and San Jose?
Alaska Airlines and Delta offer the most frequent nonstop flights from Seattle to San Jose, at 35 and 27 flights per week respectively. Southwest is another good option, operating 14 flights per week. Based on KAYAK flight data over the last 3 months.
What’s the most popular layover airport when flying from Seattle to San Jose?
KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.Las Vegas Harry Reid Intl (LAS) is the most popular layover for the Seattle to San Jose route. 60% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via LAS.
What is the cheapest layover airport when flying from Seattle to San Jose?
Flights via Las Vegas Harry Reid Intl (LAS) offer the most affordable fares, with an average round-trip price of $300. Based on KAYAK data over the past 3 months.
Which route with a layover is the fastest from Seattle to San Jose?
Phoenix Sky Harbor Intl (PHX) offers the shortest 1-stop connection from Seattle to San Jose at 7h 24m one-way, 5h 07m longer than the 2h 17m direct flight. Based on KAYAK data over the past 3 months.
When flying from Seattle to San Jose which airport offers the shortest layover?
Phoenix Sky Harbor Intl (PHX) had the shortest average connection time for Seattle to San Jose layovers at 4h 53m over the past 3 months.
How many nonstop flights run daily between Seattle and San Jose?
There are 10 to 12 flights per day from Seattle to San Jose, about 78 flights per week. Monday has the most departures, with 15% of weekly flights.
What time of day do most flights depart from Seattle to San Jose?
Based on KAYAK flight schedules for the upcoming 3 months.Most nonstop flights from Seattle to San Jose depart in the morning, accounting for 46% of nonstop departures. Around 5 flights are scheduled in that window over the next three months.
Expert advice
Expert advice for your flight from Seattle to San Jose
AI-powered summary based on content written by travel experts. AI can make mistakes.
Our travel experts
Key details for Seattle to San Jose flights
Low season | October |
|---|---|
High season | March |
Cheapest flight | $79 |
When to book flights from Seattle to San Jose
Are your dates flexible? Find out the best times to travel from Seattle to San Jose based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Flights from Seattle to San Jose: the best tips from KAYAK users' own experiences
Insights shared by verified travelers who flew the route from Seattle to San Jose
Your Seattle to San Jose flight questions, answered
Find helpful answers about this route, including flight times, airports, airlines and booking tips.
Your guide to booking Seattle to San Jose flights
Get tips on when to book, when to fly and what to know before your trip.Prefer to fly direct from Seattle to San Jose?
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Seattle/Tacoma Intl to San Jose.
Direct departures
Seattle/Tacoma Intl to San Jose
Monday
Alaska Airlines,Delta,Southwest
Alaska Airlines,Delta, +1 more
Tuesday
Alaska Airlines,Delta,Southwest
Alaska Airlines,Delta, +1 more
Wednesday
Alaska Airlines,Delta,Southwest
Alaska Airlines,Delta, +1 more
Thursday
Alaska Airlines,Delta,Southwest
Alaska Airlines,Delta, +1 more
Friday
Alaska Airlines,Delta,Southwest
Alaska Airlines,Delta, +1 more
Saturday
Alaska Airlines,Delta,Southwest
Alaska Airlines,Delta, +1 more
Sunday
Alaska Airlines,Delta,Southwest
Alaska Airlines,Delta, +1 more
Direct returns
San Jose to Seattle/Tacoma Intl
Monday
Alaska Airlines,Delta,Southwest
Alaska Airlines,Delta, +1 more
Tuesday
Alaska Airlines,Delta,Southwest
Alaska Airlines,Delta, +1 more
Wednesday
Alaska Airlines,Delta,Southwest
Alaska Airlines,Delta, +1 more
Thursday
Alaska Airlines,Delta,Southwest
Alaska Airlines,Delta, +1 more
Friday
Alaska Airlines,Delta,Southwest
Alaska Airlines,Delta, +1 more
Saturday
Alaska Airlines,Delta,Southwest
Alaska Airlines,Delta, +1 more
Sunday
Alaska Airlines,Delta,Southwest
Alaska Airlines,Delta, +1 more
More options for your flight from Seattle to San Jose
Complete your trip to San Jose with a hotel stay or car rental
Other airlines flying from Seattle to San Jose
Flights from the other most popular airlines that fly from Seattle to San Jose according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.
Information on your arrival and departure airports
Cabin class types available on flights from Seattle to San Jose
Cabin classes available on flights from Seattle to San Jose. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Find direct flights to and from Seattle and San Jose
Flights from domestic origins to San Jose
More flights to San Jose. Prices are the lowest found on KAYAK in the last 7 days. Price and availability is not guaranteed.
Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.