HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Jose

$67+ Cheap flights from Seattle to San Jose, CA (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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJC
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 October or January, booked 70 days in advance, depart on a Thursday or Wednesday and return on a Saturday

Cheap flight deals from Seattle to San Jose

Cheapest flights from Seattle to San Jose
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 December 18, 2025.

This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:41 pmSEA - SJC
Nonstop2h 18mAlaska Airlines
Wed 1/73:36 pmSJC - SEA
Nonstop2h 18mAlaska Airlines
Deal found 12/16$295
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:05 amSEA - SJC
Nonstop2h 17mAlaska Airlines
Wed 1/149:05 amSJC - SEA
Nonstop2h 16mAlaska Airlines
Deal found 12/16$323
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:41 pmSEA - SJC
Nonstop2h 18mAlaska Airlines
Tue 1/139:05 amSJC - SEA
Nonstop2h 16mAlaska Airlines
Deal found 12/16$326
This Delta deal was found by Cheapflights users on 12/16. 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 12/267:30 pmSEA - SJC
Nonstop2h 22mDelta
Fri 1/96:25 pmSJC - SEA
Nonstop2h 25mDelta
Deal found 12/16$327
This Southwest deal was found by Cheapflights users on 12/16. 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 12/311:10 pmSEA - SJC
2 stops7h 20mSouthwest
Wed 1/74:20 pmSJC - SEA
Nonstop2h 15mSouthwest
Deal found 12/16$332
This Southwest deal was found by Cheapflights users on 12/16. 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 12/315:05 pmSEA - SJC
Nonstop2h 10mSouthwest
Mon 1/58:00 amSJC - SEA
Nonstop2h 20mSouthwest
Deal found 12/16$333
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/2311:45 amSEA - SJC
1 stop6h 50mDelta
Fri 1/92:30 pmSJC - SEA
Nonstop2h 21mDelta
Deal found 12/16$337
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:40 pmSEA - SJC
Nonstop2h 13mAlaska Airlines
Fri 1/26:15 amSJC - SEA
Nonstop2h 26mAlaska Airlines
Deal found 12/17$361

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$117
(Delta)

One-way from

$67
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$352

Good round-trip deal

$210 or less

Good one-way deal

$156 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-San Jose flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-San Jose flights.
Search Deals
From Seattle/Tacoma Intl to San Jose
Search Deals
One-way flight from Seattle/Tacoma Intl to San Jose
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to San Jose.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to San Jose.
Search Deals

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 December 18, 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

Sat 1/10

3:25 pm-5:40 pm

Nonstop2h 15m

San Jose

Wed 1/14

7:45 am-10:13 am

Nonstop2h 28m

$117

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Fri 1/16

7:55 am-10:10 am

Nonstop2h 15m

San Jose

Sat 1/24

10:45 am-1:05 pm

Nonstop2h 20m

$117

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Wed 1/14

3:25 pm-5:40 pm

Nonstop2h 15m

San Jose

Wed 1/21

7:45 am-10:13 am

Nonstop2h 28m

$117

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Thu 1/22

11:15 am-1:34 pm

Nonstop2h 19m

San Jose

Sat 1/24

9:15 am-2:54 pm

1 stop5h 39m

$127

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Thu 3/19

8:37 am-10:59 am

Nonstop2h 22m

San Jose

Tue 3/24

9:40 am-4:47 pm

1 stop7h 07m

$127

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Thu 2/12

8:35 am-10:55 am

Nonstop2h 20m

San Jose

Sun 2/15

9:15 am-2:44 pm

1 stop5h 29m

$127

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Tue 1/27

9:55 am-2:52 pm

1 stop4h 57m

San Jose

Tue 2/3

11:45 am-2:08 pm

Nonstop2h 23m

$127

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Wed 1/7

10:25 am-4:20 pm

1 stop5h 55m

San Jose

Fri 1/9

11:45 am-2:08 pm

Nonstop2h 23m

$127

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Tue 1/6

3:25 pm-5:40 pm

Nonstop2h 15m

San Jose

Tue 1/20

9:15 am-2:54 pm

1 stop5h 39m

$127

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Thu 1/8

6:05 pm-10:55 pm

1 stop4h 50m

San Jose

Mon 1/12

6:25 pm-8:50 pm

Nonstop2h 25m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 23 results
1
2
3

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-San Jose, California flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-San Jose, California flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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?

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 December 12, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to San Jose, California, you should look to book at least 49 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, January is the cheapest month in which you can book a flight from Seattle to San Jose, California (average of $86). Flying from Seattle to San Jose, California in May is currently the most expensive (average of $137). 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 December 18, 2025.

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 at noon 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 December 13, 2025.

Travelers seeking maximum savings on their Seattle to San Jose, California flight should consider departing on Wednesday 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.

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
Airports
SEA

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.

Read more about SEABy Brandon Schultz
SJC

For quick city access from SJC, use the Airport Flyer bus to connect with BART or CalTrain for easy transit to San Francisco or other Bay Area locations.

Read more about SJCBy Daniel Scheffler
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on SJC

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

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 December 18, 2025.
Read through reviews of airlines operating flights from Seattle to San Jose, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,478 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
11,478 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Southwest
7.9
Good
4,250 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Hawaiian Airlines
7.8
Good
2,820 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Spirit Airlines
6.3
Okay
8,190 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

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.

  • What airports do I use to fly from Seattle to San Jose?

    To fly from Seattle to San Jose, you need to book a flight from Seattle/Tacoma Intl (SEA) to San Jose (SJC). Nonstop flights to San Jose from Seattle/Tacoma Intl take 2h 05m on average. When it comes time to book airfare, you have a few options: there are 15 outbound flights from Seattle/Tacoma Intl to San Jose offered by 6 different airlines.

  • How popular is this Seattle to San Jose, California flight route?

    Flights from Seattle/Tacoma Intl to San Jose have been viewed 26 times in the past calendar month.

  • How long is the flight from Seattle to San Jose, California?

    Airlines like Delta and Southwest fly from Seattle to San Jose, California in about 2h 15m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 697 mi. All flights are typically nonstop.

  • What are the cheapest airlines flying from Seattle to San Jose, California round-trip?

    Spirit Airlines, at $65, was found to be the cheapest airline from Seattle to San Jose, California.Alternate airlines to your destination round-trip include Hawaiian Airlines and Delta. Users have found that Spirit Airlines is 73% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Seattle to San Jose, California one-way?

    One-way options have recently been found by users for as low as $33 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $53 and Delta from $58 one-way.

  • What are the most reliable airlines from Seattle to San Jose, California?

    The top 3 most reliable airlines when flying from Seattle to San Jose, California are WestJet (93%), Virgin Atlantic (92%) and SkyWest Airlines (90%).

  • What are the cheapest flights from Seattle to San Jose, California?

    While on average a flight from Seattle to San Jose, California is generally $523, our data shows the cheapest flight currently is $58. When looking at the most popular route, (Seattle/Tacoma Intl - San Jose), you can expect to pay $107 for that flight.

  • Can I find deals for flights from Seattle to San Jose that include hotel bookings?

    Yes. In addition to deals on Seattle to San Jose flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to San Jose?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to San Jose.

  • Can I find deals for business class flights from Seattle to San Jose?

    Yes. Cheapflights offers flight deals from Seattle to San Jose by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to San Jose, California?

    Currently, January is the cheapest month in which you can book a flight from Seattle to San Jose, California (average of $86). Flying from Seattle to San Jose, California in May is currently the most expensive (average of $137). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to San Jose

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Los Angeles flights
Seattle to Las Vegas flights
Seattle to San Diego flights
Seattle to Ontario flights
Portland to Los Angeles flights
Seattle to Santa Ana flights
Seattle to San Francisco flights
Portland to Las Vegas flights
Seattle to Palm Springs flights
Everett to San Diego flights
Everett to Los Angeles flights
Everett to San Francisco flights
Everett to Las Vegas flights
Seattle to Burbank flights
Portland to San Diego flights
Portland to Ontario flights
Portland to Palm Springs flights
Portland to San Francisco flights
Portland to Santa Ana flights
Portland to Burbank flights
Everett to Santa Ana flights
Portland to San Jose flights
Seattle to Long Beach flights
Spokane to Los Angeles flights
Seattle to Reno flights
Seattle to Sacramento flights
Spokane to Las Vegas flights
Spokane to San Diego flights
Seattle to San Luis Obispo flights
Seattle to Oakland flights
Portland to Oakland flights
Spokane to San Francisco flights
Portland to Reno flights
Seattle to Santa Barbara flights
Portland to Long Beach flights
Portland to Sacramento flights
Spokane to Santa Ana flights
Spokane to Ontario flights
Seattle to Monterey flights
Pasco to Las Vegas flights
Seattle to Fresno flights
Pasco to Los Angeles flights
Bellingham to Las Vegas flights
Seattle to Santa Rosa flights
Portland to San Luis Obispo flights
Pasco to San Francisco flights
Spokane to Sacramento flights
Spokane to Palm Springs flights
Spokane to Long Beach flights

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$88Average$237FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$93Average$238FlexibilityNo cancel feeOn-time65%
DeltaCheapest$111Average$225FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$133Average$217FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$134Average$287FlexibilityNo cancel feeOn-time75%
FrontierCheapest$166Average$211FlexibilityNo cancel feeOn-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.