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.
$79+ Cheap flights from Seattle to San Jose (SEA - SJC)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJC
Jun 17 — Jun 241
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 September or August, booked 87 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap 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 June 12, 2025.
Round-trip from | $156 (Cheapflightsfares) |
|---|---|
One-way from | $79 (Alaska Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $269 |
Good round-trip deal | $162 or less |
Good one-way deal | $82 or less |
Find flight deals from Seattle to San Jose
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 June 12, 2025.
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 June 12, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Wed 7/95:30 pmSEA - SJC
1 stop6h 24mSpirit Airlines
Sat 7/126:30 amSJC - SEA
1 stop9h 55mSpirit Airlines
Deal found 6/11![Spirit Airlines logo]()
$156
This Delta deal was found by Cheapflights users on 6/10. 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.
Fri 8/2211:25 amSEA - SJC
Nonstop2h 24mDelta
Sun 8/247:23 amSJC - SEA
Nonstop2h 22mDelta
Deal found 6/10![Delta logo]()
$157
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/44:50 pmSEA - SJC
Nonstop2h 10mHawaiian Airlines
Mon 9/81:00 pmSJC - SEA
1 stop5h 25mHawaiian Airlines
Deal found 6/10![Hawaiian Airlines logo]()
$159
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/269:42 amSEA - SJC
Nonstop2h 15mAlaska Airlines
Tue 8/263:00 pmSJC - SEA
1 stop5h 24mAlaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$161
This Kissandfly.com deal was found by Cheapflights users on 6/12. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/77:00 amSEA - SJC
Nonstop2h 08mMultiple Airlines
Mon 8/117:03 amSJC - SEA
Nonstop2h 12mMultiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$162
This Southwest deal was found by Cheapflights users on 6/9. 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 9/125:45 pmSEA - SJC
Nonstop2h 15mSouthwest
Mon 9/153:50 pmSJC - SEA
2 stops7h 45mSouthwest
Deal found 6/9![Southwest logo]()
$172
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/273:11 pmSEA - SJC
1 stop22h 06mFrontier
Sun 8/37:00 pmSJC - SEA
1 stop19h 06mFrontier
Deal found 6/12![Frontier logo]()
$291
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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Seattle to San Jose that are best for you.
Fly from
Seattle
Fly to
San Jose
Route
Depart
Return
Price
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Wed 7/9
5:30 pm-11:54 pm
1 stop6h 24m
San Jose
Sat 7/12
6:30 am-4:25 pm
1 stop9h 55m
$156
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Fri 8/22
11:25 am-1:49 pm
Nonstop2h 24m
San Jose
Sun 8/24
7:23 am-9:45 am
Nonstop2h 22m
$157
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Thu 8/7
7:00 am-9:08 am
Nonstop2h 08m
San Jose
Mon 8/11
7:03 am-9:15 am
Nonstop2h 12m
$159
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Tue 8/26
9:42 am-11:57 am
Nonstop2h 15m
San Jose
Tue 8/26
3:00 pm-8:24 pm
1 stop5h 24m
$161
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Wed 8/6
9:55 am-12:15 pm
Nonstop2h 20m
San Jose
Mon 8/11
3:50 pm-11:35 pm
2 stops7h 45m
$172
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Thu 7/31
9:55 am-12:09 pm
Nonstop2h 14m
San Jose
Mon 8/4
6:11 pm-8:18 pm
Nonstop2h 07m
$181
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Sun 7/27
3:11 pm-1:17 pm
1 stop22h 06m
San Jose
Sun 8/3
7:00 pm-2:06 pm
1 stop19h 06m
$291
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Fri 8/15
6:36 pm-8:51 pm
Nonstop2h 15m
$79
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Thu 9/4
5:20 am-8:53 am
1 stop3h 33m
$80
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Wed 8/20
4:10 pm-9:15 pm
1 stop5h 05m
$88
Showing 1-10 of 14 results
The best insider tips for Seattle to San Jose flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to San Jose trip
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.
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?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to San Jose. Price data was last updated on June 9, 2025.
The price you pay for your flight from Seattle to San Jose may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Seattle to San Jose?
Currently, September is the cheapest month in which you can book a flight from Seattle to San Jose (average of $255). Flying from Seattle to San Jose in June is currently the most expensive (average of $344). 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 June 12, 2025.
One of the essential ways to save on airfare from Seattle to San Jose 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?
Use this chart to determine the cheapest time to fly round-trip from Seattle to San Jose. Price data was last updated on June 8, 2025.
Travelers seeking maximum savings on their Seattle to San Jose flight should consider departing on Friday 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.
Weekly flight availability from Seattle to San Jose
Explore weekly flight availability from Seattle to San Jose. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.
The most flights from SEA to SJC are scheduled on a Thursday (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).
Rainfall in San Jose by month
Plan your trip to San Jose by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Jose ranges from 0.0 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. July is typically the driest time to visit San Jose when rainfall is around 0.0 in.
Temperature in San Jose by month
Plan your trip to San Jose by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Jose, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).
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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Seattle to San Jose by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Boarding
8.1
Entertainment
7.1
Overall
8.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2024
SEA - LAS
Food
7.1
Boarding
8.1
Entertainment
7.1
Overall
8.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2024
SEA - LAS
Food
7.1
Boarding
8.1
Entertainment
7.1
Overall
8.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2024
SEA - LAS
Food
7.1
Boarding
8.1
Entertainment
7.1
Overall
8.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2024
SEA - LAS
Food
7.1
Boarding
8.1
Entertainment
7.1
Overall
8.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2024
SEA - LAS
Food
7.1
Boarding
8.1
Entertainment
7.1
Overall
8.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2024
SEA - LAS
Related info for your journey
Find useful and relevant information for your journey from Seattle to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to San Jose
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Seattle to San Jose
Discover the top 6 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 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$69 | Average$226 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$78 | Average$243 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$122 | Average$223 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$128 | Average$219 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$134 | Average$270 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$135 | Average$236 | FlexibilityNo cancel fee | On-time63% |