How does KAYAK find such low prices on flights from Washington to San Jose?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to San Jose.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to San Jose?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Jose from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to San Jose?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Jose with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to San Jose?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Jose from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$79 CHEAP FLIGHTS from Washington to San Jose

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Cheap Flights from Washington to San Jose

Cheap flights from Washington to San Jose with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Last minute

Direct

Mon, Nov 2 - Thu, Nov 5

11:20 am - 5:20 pmSEA Seattle/Tacoma Intl-SJC San Jose

6h 00m1 stop Long Beach Municipal

7:10 pm - 1:20 amSJC San Jose-SEA Seattle/Tacoma Intl

6h 10m1 stop Las Vegas Harry Reid Intl

$157Southwest

Tue, Nov 24 - Fri, Nov 27

11:20 am - 5:35 pmSEA Seattle/Tacoma Intl-SJC San Jose

6h 15m1 stop Long Beach Municipal

7:10 pm - 1:20 amSJC San Jose-SEA Seattle/Tacoma Intl

6h 10m1 stop Las Vegas Harry Reid Intl

$157Southwest

Tue, Nov 24 - Wed, Nov 25

10:12 am - 3:39 pmSEA Seattle/Tacoma Intl-SJC San Jose

5h 27m1 stop Los Angeles

7:00 am - 3:10 pmSJC San Jose-SEA Seattle/Tacoma Intl

8h 10m1 stop Los Angeles

$157Delta

Sat, Oct 31 - Sat, Oct 31

7:15 am - 12:47 pmSEA Seattle/Tacoma Intl-SJC San Jose

5h 32m1 stop Salt Lake City

5:10 pm - 10:05 pmSJC San Jose-SEA Seattle/Tacoma Intl

4h 55m1 stop Salt Lake City

$157Delta

Thu, Jan 7 - Tue, Jan 12

6:01 am - 12:08 pmSEA Seattle/Tacoma Intl-SJC San Jose

6h 07m1 stop Phoenix Sky Harbor Intl

6:15 am - 2:52 pmSJC San Jose-SEA Seattle/Tacoma Intl

8h 37m1 stop Phoenix Sky Harbor Intl

$159American Airlines

Wed, Nov 4 - Mon, Nov 9

1:41 pm - 3:51 pmSEA Seattle/Tacoma Intl-SJC San Jose

2h 10mnonstop

8:03 am - 10:18 amSJC San Jose-SEA Seattle/Tacoma Intl

2h 15mnonstop

$161Alaska Airlines

Fri, Oct 30 - Fri, Oct 30

7:18 am - 9:41 amSEA Seattle/Tacoma Intl-SJC San Jose

2h 23mnonstop

1:31 pm - 3:44 pmSJC San Jose-SEA Seattle/Tacoma Intl

2h 13mnonstop

$165Alaska Airlines

Thu, Oct 29 - Sun, Nov 1

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

$177Frontier

Thu, Oct 29 - Sun, Nov 1

8:09 pm - 8:12 pmSEA Seattle/Tacoma Intl-SJC San Jose

24h 03m1 stop Los Angeles

9:07 pm - 6:33 pmSJC San Jose-SEA Seattle/Tacoma Intl

21h 26m1 stop Los Angeles

$180Frontier

Mon, Dec 7 - Tue, Jan 5

6:20 am - 12:15 pmSEA Seattle/Tacoma Intl-SJC San Jose

5h 55m1 stop Phoenix Sky Harbor Intl

6:00 am - 2:03 pmSJC San Jose-SEA Seattle/Tacoma Intl

8h 03m1 stop Phoenix Sky Harbor Intl

$221American Airlines

Thu, Oct 15 - Mon, Oct 19

8:00 pm - 8:07 pmSEA Seattle/Tacoma Intl-SJC San Jose

24h 07m1 stop Los Angeles

2:15 pm - 6:45 pmSJC San Jose-SEA Seattle/Tacoma Intl

28h 30m1 stop Los Angeles

$337Frontier

Thu, Oct 15 - Mon, Oct 19

8:00 pm - 8:07 pmSEA Seattle/Tacoma Intl-SJC San Jose

24h 07m1 stop Los Angeles

2:15 pm - 6:45 pmSJC San Jose-SEA Seattle/Tacoma Intl

28h 30m1 stop Los Angeles

$337Frontier

Thu, Oct 15 - Tue, Nov 10

8:48 pm - 10:59 pmSEA Seattle/Tacoma Intl-SJC San Jose

2h 11mnonstop

10:39 am - 12:56 pmSJC San Jose-SEA Seattle/Tacoma Intl

2h 17mnonstop

$411Alaska Airlines

Thu, Oct 15 - Tue, Nov 10

8:40 am - 12:35 pmSEA Seattle/Tacoma Intl-SJC San Jose

3h 55m1 stop Portland

4:47 pm - 7:02 pmSJC San Jose-SEA Seattle/Tacoma Intl

2h 15mnonstop

$421Alaska Airlines

Thu, Oct 15 - Tue, Nov 10

9:45 pm - 11:55 pmSEA Seattle/Tacoma Intl-SJC San Jose

2h 10mnonstop

11:55 am - 10:50 pmSJC San Jose-SEA Seattle/Tacoma Intl

10h 55m2 stops Ontario Denver Intl

$426Southwest

Sat, Oct 10 - Sat, Nov 7

11:44 am - 6:36 pmSEA Seattle/Tacoma Intl-SJC San Jose

6h 52m1 stop Phoenix Sky Harbor Intl

8:03 am - 10:18 amSJC San Jose-SEA Seattle/Tacoma Intl

2h 15mnonstop

$435American Airlines

Thu, Oct 15 - Tue, Nov 10

7:40 am - 2:55 pmSEA Seattle/Tacoma Intl-SJC San Jose

7h 15m1 stop San Diego

7:55 am - 4:00 pmSJC San Jose-SEA Seattle/Tacoma Intl

8h 05m2 stops Los Angeles Oakland

$436Southwest

Sat, Oct 10 - Sat, Nov 7

11:44 am - 6:36 pmSEA Seattle/Tacoma Intl-SJC San Jose

6h 52m1 stop Phoenix Sky Harbor Intl

8:03 am - 10:18 amSJC San Jose-SEA Seattle/Tacoma Intl

2h 15mnonstop

$437American Airlines

Sat, Oct 10 - Sat, Nov 7

2:45 pm - 5:02 pmSEA Seattle/Tacoma Intl-SJC San Jose

2h 17mnonstop

2:37 pm - 4:59 pmSJC San Jose-SEA Seattle/Tacoma Intl

2h 22mnonstop

$516Delta

Mon, Oct 12 - Thu, Oct 15

8:49 pm - 11:00 pmSEA Seattle/Tacoma Intl-SJC San Jose

2h 11mnonstop

7:31 am - 10:00 amSJC San Jose-SEA Seattle/Tacoma Intl

2h 29mnonstop

$532Delta

Low season	January
High season	May
Cheapest flight	$79

Best time to beat the crowds with an average 2% drop in price.

Most popular time to fly with an average 2% increase in price.

Flight from Seattle to San Jose

Verified travelerFlew with Alaska Airlines-Jul 2026

Super easy to park in the Economy Lot #1 and take the shuttle to the terminal.

GeraldFlew with Delta-Mar 2026

Flights earlier in the day are better - less chance of stacking delays. Much better than SFO flights, They're terrible in August (fog).

Verified travelerFlew with Alaska Airlines-Aug 2024

The airport is busy and a mess with construction. There is a train to take so account for extra time.

How does KAYAK find such low prices on flights from Washington to San Jose?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to San Jose.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to San Jose?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Jose from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to San Jose?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Jose with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to San Jose?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Jose from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.