$79+ Cheap flights from Seattle to San Jose, CA (SEA - SJC)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJC
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to San Jose with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Seattle/Tacoma Intl to San Jose are usually found in March or August, booked 53 days in advance, depart on a Thursday or Wednesday and return on a Thursday
Cheap flight deals from Seattle to San Jose
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to San JoseExplore the most affordable flight options available from Seattle to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Seattle to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/29. 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.
Thu 11/195:15 am -
2 stops6h 45m
Mon 11/238:45 pm -
Nonstop2h 25m
Deal found 10/29![Southwest logo]()
$149
This Southwest deal was found by Cheapflights users on 10/28. 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.
Thu 11/199:25 am -
1 stop7h 05m
Thu 11/2610:15 am -
1 stop7h 15m
Deal found 10/28![Southwest logo]()
$151
This Southwest deal was found by Cheapflights users on 10/28. 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 11/2411:20 am -
1 stop6h 15m
Fri 11/276:00 am -
Nonstop2h 30m
Deal found 10/28![Southwest logo]()
$154
This Southwest deal was found by Cheapflights users on 10/28. 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 12/228:30 am -
Nonstop2h 15m
Mon 12/289:45 pm -
Nonstop2h 25m
Deal found 10/28![Southwest logo]()
$157
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:13 pm -
1 stop18h 17m
Tue 11/244:15 pm -
1 stop20h 22m
Deal found 10/28![Frontier logo]()
$160
This CheapOair deal was found by Cheapflights users on 10/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:53 pm -
1 stop17h 37m
Mon 11/234:15 pm -
1 stop20h 22m
Deal found 10/26![Frontier logo]()
$162
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:30 am -
Nonstop2h 20m
Sun 11/227:21 am -
Nonstop2h 33m
Deal found 10/29![Delta logo]()
$164
This Southwest deal was found by Cheapflights users on 10/29. 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.
Fri 11/206:30 am -
Nonstop2h 10m
Sun 11/226:00 am -
Nonstop2h 30m
Deal found 10/29![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 10/25. 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 12/15:15 am -
2 stops6h 45m
Fri 12/47:20 am -
1 stop6h 05m
Deal found 10/25![Southwest logo]()
$169
Best flights from Seattle to San JoseDiscover carefully curated flight deals from Seattle to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Seattle to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/27. 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 12/97:15 pm -
Nonstop2h 20m
Tue 12/2210:50 am -
1 stop7h 45m
Deal found 10/27![Southwest logo]()
$154
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:30 am -
Nonstop2h 28m
Mon 11/235:54 pm -
Nonstop2h 24m
Deal found 10/28![Delta logo]()
$161
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:13 am -
1 stop15h 18m
Tue 11/246:15 am -
Nonstop2h 19m
Deal found 10/26![Alaska Airlines logo]()
$210
This Southwest deal was found by Cheapflights users on 10/25. 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 1/1211:25 am -
2 stops7h 40m
Sat 1/162:35 pm -
1 stop6h 05m
Deal found 10/25![Southwest logo]()
$182
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:30 am -
Nonstop2h 28m
Sun 11/227:00 am -
1 stop5h 40m
Deal found 10/28![Delta logo]()
$214
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/129:12 am -
1 stop10h 18m
Sat 12/199:42 pm -
Nonstop2h 17m
Deal found 10/28![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/238:30 am -
Nonstop2h 23m
Mon 12/287:15 am -
Nonstop2h 32m
Deal found 10/26![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 10/26. 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 12/237:15 pm -
Nonstop2h 20m
Mon 12/289:45 pm -
Nonstop2h 25m
Deal found 10/26![Southwest logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:00 pm -
1 stop5h 56m
Sun 12/67:35 pm -
Nonstop2h 19m
Deal found 10/29![Alaska Airlines logo]()
$230
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/43:35 pm -
Nonstop2h 12m
Mon 12/711:22 am -
2 stops6h 51m
Deal found 10/29![Alaska Airlines logo]()
$239
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:21 am -
Nonstop2h 22m
Sun 11/226:15 am -
Nonstop2h 19m
Deal found 10/26![Alaska Airlines logo]()
$247
Last-minute flights from Seattle to San JoseDiscover last-minute flight deals from Seattle to San Jose. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to San Jose. Data last updated October 30, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:53 pm -
Nonstop2h 10m
Wed 11/181:26 pm -
Nonstop2h 15m
Deal found 10/26![Alaska Airlines logo]()
$171
This Southwest deal was found by Cheapflights users on 10/29. 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.
Thu 11/195:15 am -
2 stops6h 45m
Mon 11/238:45 pm -
Nonstop2h 25m
Deal found 10/29![Southwest logo]()
$149
This Southwest deal was found by Cheapflights users on 10/28. 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.
Thu 11/199:25 am -
1 stop7h 05m
Thu 11/2610:15 am -
1 stop7h 15m
Deal found 10/28![Southwest logo]()
$151
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:53 pm -
Nonstop2h 10m
Tue 11/246:15 am -
Nonstop2h 19m
Deal found 10/26![Alaska Airlines logo]()
$157
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:13 pm -
1 stop18h 17m
Tue 11/244:15 pm -
1 stop20h 22m
Deal found 10/28![Frontier logo]()
$160
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:30 am -
Nonstop2h 20m
Sun 11/227:21 am -
Nonstop2h 33m
Deal found 10/29![Delta logo]()
$164
This CheapOair deal was found by Cheapflights users on 10/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:53 pm -
1 stop17h 37m
Mon 11/234:15 pm -
1 stop20h 22m
Deal found 10/26![Frontier logo]()
$162
This Southwest deal was found by Cheapflights users on 10/29. 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.
Fri 11/206:30 am -
Nonstop2h 10m
Sun 11/226:00 am -
Nonstop2h 30m
Deal found 10/29![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 10/28. 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 11/2411:20 am -
1 stop6h 15m
Fri 11/276:00 am -
Nonstop2h 30m
Deal found 10/28![Southwest logo]()
$154
One-way flights from Seattle to San JoseSearch for one-way flight options from Seattle to San Jose. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Seattle to San Jose. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/28. 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.
Thu 12/248:05 am -
Nonstop2h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$79
This Southwest deal was found by Cheapflights users on 10/27. 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 11/235:15 am -
2 stops7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$81
This Super.com deal was found by Cheapflights users on 10/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:53 pm -
1 stop17h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$83
This Southwest deal was found by Cheapflights users on 10/29. 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.
Thu 12/3110:35 am -
1 stop9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$84
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/216:25 pm -
1 stop22h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$85
This Southwest deal was found by Cheapflights users on 10/29. 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 11/2411:20 am -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$89
This CheapOair deal was found by Cheapflights users on 10/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/46:25 pm -
1 stop17h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$90
This Southwest deal was found by Cheapflights users on 10/27. 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.
Fri 12/2510:35 am -
1 stop9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$94
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:30 am -
Nonstop2h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Delta logo]()
$96
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/222:50 pm -
Nonstop2h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:52 pm -
1 stop24h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$100
Find flight deals from Seattle to San Jose
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to San Jose (SJC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $149 (Southwest) |
One-way from | $79 (Southwest) |
Popular in | February |
Cheapest in | March |
Average price | $253 |
Good round-trip deal | $202 or less |
Good one-way deal | $138 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to San Jose that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Seattle to San Jose that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleSan Jose
SEA Seattle/Tacoma Intl - SJC San Jose
SEASJC
Seattle/Tacoma Intl
Tue 12/22
8:30 am-10:45 am
Nonstop2h 15m
San Jose
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
SeattleSan Jose
SEA Seattle/Tacoma Intl - SJC San Jose
SEASJC
Seattle/Tacoma Intl
Fri 12/11
8:44 am-10:58 am
Nonstop2h 14m
San Jose
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
SeattleSan Jose
SEA Seattle/Tacoma Intl - SJC San Jose
SEASJC
Seattle/Tacoma Intl
Sat 12/5
8:55 am-4:50 pm
2 stops7h 55m
San Jose
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$81
SeattleSan Jose
SEA Seattle/Tacoma Intl - SJC San Jose
SEASJC
Seattle/Tacoma Intl
Thu 12/31
10:35 am-8:05 pm
1 stop9h 30m
San Jose
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$84
SeattleSan Jose
SEA Seattle/Tacoma Intl - SJC San Jose
SEASJC
Seattle/Tacoma Intl
Tue 11/24
11:20 am-5:35 pm
1 stop6h 15m
San Jose
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
SeattleSan Jose
SEA Seattle/Tacoma Intl - SJC San Jose
SEASJC
Seattle/Tacoma Intl
Thu 11/26
11:30 am-6:35 pm
1 stop7h 05m
San Jose
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
SeattleSan Jose
SEA Seattle/Tacoma Intl - SJC San Jose
SEASJC
Seattle/Tacoma Intl
Tue 11/24
12:31 pm-5:16 pm
1 stop4h 45m
San Jose
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
SeattleSan Jose
SEA Seattle/Tacoma Intl - SJC San Jose
SEASJC
Seattle/Tacoma Intl
Mon 11/30
11:30 am-6:52 pm
1 stop7h 22m
San Jose
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
SeattleSan Jose
SEA Seattle/Tacoma Intl - SJC San Jose
SEASJC
Seattle/Tacoma Intl
Sun 1/17
8:47 am-1:44 pm
1 stop4h 57m
San Jose
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
SeattleSan Jose
SEA Seattle/Tacoma Intl - SJC San Jose
SEASJC
Seattle/Tacoma Intl
Wed 12/9
7:15 pm-9:35 pm
Nonstop2h 20m
San Jose
Tue 12/22
10:50 am-6:35 pm
1 stop7h 45m
$154
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Seattle to San Jose
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to San Jose in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-San Jose, California flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-San Jose, California flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-San Jose, California flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-San Jose, California flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-San Jose, California flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to San Jose
Have a flexible travel schedule? Discover the best time to fly to San Jose from Seattle with our price prediction graph.
SEA-SJC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to San Jose
How far ahead should I book a flight from Seattle to San Jose, California?
To ensure you get the cheapest price possible for a flight from Seattle to San Jose, California, you should look to book at least 52 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.
What is the cheapest month to book a flight from Seattle to San Jose, California?
Currently, March is the cheapest month in which you can book a flight from Seattle to San Jose, California (average of $245). Flying from Seattle to San Jose, California in February is currently the most expensive (average of $348). 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.
What is the cheapest time of day to fly from SEA to SJC?
Find hourly flight availability from Seattle to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
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 in the evening could potentially save you up to 8% on airfare.
What is the cheapest day to fly from Seattle to San Jose, California?
Use this chart to determine the cheapest time to fly round-trip from Seattle to San Jose. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their Seattle to San Jose, California flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Seattle to San Jose flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to San Jose trip
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Reviews of airlines servicing San Jose
Get insights into the airlines that provide service to San Jose. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Jose. Reviews last updated October 30, 2026.
Read through reviews of airlines operating flights from Seattle to San Jose, such as Alaska Airlines,Southwest, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2025
PDX - SJC
Overall
7.9
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2025
PDX - SJC
Overall
7.9
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2025
PDX - SJC
Overall
7.9
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2025
PDX - SJC
Overall
7.9
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Aug 2025
PDX - SJC
Related info for your journey
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Seattle and San Jose flights
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Top 4 airlines flying from Seattle to San Jose
Discover the top 4 airlines that operate flights from Seattle to San Jose. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$96 | Average$253 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$112 | Average$278 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$120 | Average$298 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$254 | Average$293 | FlexibilityNo cancel fee | On-time85% |