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Everything you should know
Flight Deals
Cheap Flights from San José to Seattle (SJO-SEA)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San José to Seattle 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 San José to Seattle
Fri, Dec 4 - Thu, Mar 4
2:00 pm - 12:59 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
12h 59m1 stop Miami
9:14 pm - 11:28 amSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
12h 14m1 stop Miami
$566American Airlines
Wed, Dec 9 - Mon, Mar 8
8:45 am - 8:47 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
14h 02m2 stops Houston George Bush Intcntl San Francisco
7:32 pm - 1:22 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
15h 50m2 stops San Francisco Houston George Bush Intcntl
$569United Airlines
Thu, Dec 24 - Thu, Dec 31
8:40 am - 6:52 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
12h 12m1 stop Los Angeles
12:15 pm - 7:15 amSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
17h 00m1 stop Los Angeles
$569Delta
Tue, Dec 22 - Thu, Dec 31
8:40 am - 10:12 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
15h 32m1 stop Los Angeles
2:00 pm - 7:15 amSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
15h 15m1 stop Los Angeles
$569Delta
Thu, Jan 21 - Sun, Jan 24
8:45 am - 9:17 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
14h 32m2 stops Houston George Bush Intcntl Denver Intl
7:00 am - 6:16 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
9h 16m1 stop Houston George Bush Intcntl
$569United Airlines
Tue, Feb 23 - Sun, Feb 28
1:41 am - 1:57 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
14h 16m1 stop Los Angeles
6:05 am - 12:21 amSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
16h 16m1 stop Los Angeles
$578Alaska Airlines
Thu, May 6 - Fri, May 14
2:08 pm - 11:28 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
10h 20m1 stop Dallas/Fort Worth
5:00 pm - 1:22 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
19h 22m1 stop Dallas/Fort Worth
$578American Airlines
Tue, Feb 23 - Sun, Feb 28
1:41 am - 1:57 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
14h 16m1 stop Los Angeles
8:47 am - 12:21 amSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
13h 34m2 stops Portland Los Angeles
$583Alaska Airlines
Fri, May 7 - Sun, May 16
1:10 pm - 1:15 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
13h 05m2 stops Houston Hobby Phoenix Sky Harbor Intl
5:00 am - 7:00 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
13h 00m2 stops Sacramento Intl Houston Hobby
$614Southwest
Wed, Nov 25 - Wed, Dec 2
2:10 pm - 1:10 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
13h 00m2 stops Houston Hobby Phoenix Sky Harbor Intl
2:05 pm - 1:15 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
21h 10m2 stops Las Vegas Harry Reid Intl Orlando
$738Southwest
Recent one-way flight deals from San José to Seattle
Tue, Dec 15
2:00 pm - 12:59 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
12h 59m1 stop Miami
$276American Airlines
Tue, Dec 15
3:54 pm - 11:19 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
21h 25m2 stops Miami Dallas/Fort Worth
$280American Airlines
Thu, Mar 18
3:00 pm - 11:10 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
21h 10m1 stop Guadalajara Miguel Hidal
$302Multiple Airlines
Wed, Mar 10
1:45 am - 8:51 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
33h 06m1 stop Los Angeles
$315Alaska Airlines
Wed, Mar 10
1:45 am - 11:00 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
23h 15m2 stops Los Angeles Portland
$316Alaska Airlines
Thu, Dec 10
3:00 pm - 10:10 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
21h 10m1 stop Guadalajara Miguel Hidal
$330Multiple Airlines
Fri, Dec 4
2:25 pm - 9:21 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
32h 56m3 stops Houston George Bush Intcntl Los Angeles Denver Intl
$341United Airlines
Sat, Dec 5
6:40 am - 8:47 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
16h 07m2 stops Los Angeles San Francisco
$341United Airlines
Tue, Feb 23
2:49 pm - 9:32 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
20h 43m1 stop Dallas/Fort Worth
$345American Airlines
Wed, Dec 23
2:10 pm - 1:10 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
13h 00m2 stops Houston Hobby Phoenix Sky Harbor Intl
$392Southwest
Recent last minute flight deals from San José to Seattle
Sat, Nov 14 - Sat, Nov 28
8:45 am - 7:17 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
12h 32m1 stop Houston George Bush Intcntl
5:05 am - 10:00 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
14h 55m1 stop Denver Intl
$587United Airlines
Sat, Nov 14 - Sat, Nov 28
8:45 am - 9:50 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
15h 05m2 stops Houston George Bush Intcntl Los Angeles
4:39 pm - 6:25 amSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
11h 46m1 stop Los Angeles
$591United Airlines
Sat, Nov 14 - Sat, Nov 28
2:07 pm - 10:03 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
21h 56m1 stop Charlotte Douglas
5:10 am - 10:47 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
15h 37m1 stop Dallas/Fort Worth
$641American Airlines
Sat, Nov 14 - Sat, Nov 28
6:40 am - 4:12 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
11h 32m1 stop Los Angeles
4:39 pm - 6:25 amSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
11h 46m1 stop Los Angeles
$641United Airlines
Sat, Nov 14 - Sat, Nov 28
6:20 am - 9:59 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
17h 39m2 stops Miami Philadelphia
5:10 am - 10:47 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
15h 37m1 stop Dallas/Fort Worth
$646American Airlines
Thu, Nov 12 - Mon, Nov 30
9:40 am - 12:59 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
17h 19m1 stop San Francisco
12:20 pm - 8:39 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
30h 19m2 stops Los Angeles Houston George Bush Intcntl
$706United Airlines
Thu, Nov 12 - Mon, Nov 30
4:15 pm - 10:10 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
19h 55m1 stop Guadalajara Miguel Hidal
7:45 am - 10:30 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
12h 45m1 stop Toronto Pearson Intl
$754Multiple Airlines
Sat, Nov 14 - Sat, Nov 21
5:35 am - 9:12 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
17h 37m1 stop Los Angeles
6:00 am - 11:15 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
15h 15m1 stop Los Angeles
$759Multiple Airlines
Sat, Nov 14 - Sat, Nov 28
6:20 am - 10:11 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
17h 51m2 stops Miami Dallas/Fort Worth
11:36 pm - 2:51 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
13h 15m2 stops Chicago O'Hare Intl Miami
$769American Airlines
Sat, Nov 14 - Sat, Nov 28
5:35 am - 7:28 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
15h 53m2 stops Guatemala City La Aurora Los Angeles
6:00 am - 11:15 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
15h 15m2 stops Los Angeles Guatemala City La Aurora
$780Multiple Airlines
Booking Insights
Price, demand and travel trends for San José to Seattle flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.
Prices
Airlines
Layovers
How much is a round-trip flight from San José to Seattle?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San José to Seattle departing in february.What's the cheapest day of the week to fly from San José to Seattle?
Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from San José to Seattle. It’s 5% cheaper than the average day, while Sunday is the most expensive, with prices 4% higher.
What’s the cheapest month to fly from San José to Seattle?
KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from San José to Seattle, removes the top 0.1% to account for outliers and then takes the median of all values for each month.•February is the cheapest month to fly from San José to Seattle at $490 round-trip.
•June ($697) and July ($656) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 42% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
Round-trip flights from San José to Seattle typically range from $530 to $717. The lowest price found in the past 5 days was $565, on Alaska Airlines.
What’s the most popular layover airport when flying from San José to Seattle?
KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.Los Angeles (LAX) is the most popular layover for the San José to Seattle route. 32% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via LAX.
What is the cheapest layover airport when flying from San José to Seattle?
Flights via Chicago O'Hare Intl (ORD) offer the most affordable fares, with an average round-trip price of $437. Based on KAYAK data over the past 3 months.
Key details for San José to Seattle flights
Low season | March |
|---|---|
High season | June |
Cheapest flight | $276 |
When to book flights from San José to Seattle
Are your dates flexible? Find out the best times to travel from San José to Seattle 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.
Your San José to Seattle flight questions, answered
Find helpful answers about this route, including flight times, airports, airlines and booking tips.
Your guide to booking San José to Seattle flights
Get tips on when to book, when to fly and what to know before your trip.More options for your flight from San José to Seattle
Complete your trip to Seattle with a hotel stay or car rental
Information on your arrival and departure airports
Cabin class types available on flights from San José to Seattle
Cabin classes available on flights from San José to Seattle. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Find direct flights to and from San José and Seattle
Flights from domestic origins to Seattle
More flights to Seattle. 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.