HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$78+ Cheap flights from San Jose to Seattle (SJC - SEA)

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SEA
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Jose to Seattle 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 San Jose to Seattle/Tacoma Intl are usually found in October or January, booked 63 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from San Jose to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Seattle (SEA). 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 August 1, 2025.

Round-trip from

$137
(Delta)

One-way from

$78
(Alaska Airlines)

Popular in

July

Cheapest in

October

Average price

$273

Good round-trip deal

$225 or less

Good one-way deal

$109 or less
From San Jose to Seattle/Tacoma Intl
Search Deals
One-way flight from San Jose to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals
Price to beat on a round-trip flight from San Jose to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from San Jose to Seattle/Tacoma Intl.
Search Deals

Find flight deals from San Jose to Seattle

Cheapest flights from San Jose to Seattle
Explore the most affordable flight options available from San Jose to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This Delta deal was found by Cheapflights users on 8/1. 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 9/311:35 amSJC - SEA
Nonstop2h 18mDelta
Tue 9/911:25 amSEA - SJC
Nonstop2h 24mDelta
Deal found 8/1$137
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 9/39:30 amSJC - SEA
1 stop6h 05mAlaska Airlines
Wed 9/36:47 pmSEA - SJC
Nonstop2h 18mAlaska Airlines
Deal found 7/30$141
This Trip.com deal was found by Cheapflights users on 7/30. 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.
Sat 9/134:58 pmSJC - SEA
1 stop4h 26mHawaiian Airlines
Sat 9/209:00 amSEA - SJC
Nonstop2h 16mHawaiian Airlines
Deal found 7/30$149
This Southwest deal was found by Cheapflights users on 7/30. 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 8/207:10 amSJC - SEA
Nonstop2h 15mSouthwest
Sat 8/239:50 amSEA - SJC
2 stops7h 50mSouthwest
Deal found 7/30$152
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1612:44 pmSJC - SEA
1 stop8h 16mAmerican Airlines
Wed 10/226:30 amSEA - SJC
1 stop5h 55mAmerican Airlines
Deal found 8/1$178
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/134:58 pmSJC - SEA
1 stop4h 26mMultiple Airlines
Sat 9/207:00 amSEA - SJC
1 stop28h 26mMultiple Airlines
Deal found 7/30$179
This FlightHub deal was found by Cheapflights users on 8/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1412:26 pmSJC - SEA
1 stop12h 04mFrontier
Sat 9/207:00 amSEA - SJC
1 stop28h 26mFrontier
Deal found 8/1$195

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose to Seattle 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 August 1, 2025.
Use the filters below to find and compare flights from San Jose to Seattle that are best for you.

Fly from

San Jose

Fly to

Seattle

Route

Depart

Return

Price

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 9/3

11:35 am-1:53 pm

Nonstop2h 18m

Seattle/Tacoma Intl

Tue 9/9

11:25 am-1:49 pm

Nonstop2h 24m

$137

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 9/3

9:30 am-3:35 pm

1 stop6h 05m

Seattle/Tacoma Intl

Wed 9/3

6:47 pm-9:05 pm

Nonstop2h 18m

$141

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 9/13

4:58 pm-9:24 pm

1 stop4h 26m

Seattle/Tacoma Intl

Sat 9/20

9:00 am-11:16 am

Nonstop2h 16m

$149

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 8/20

7:10 am-9:25 am

Nonstop2h 15m

Seattle/Tacoma Intl

Sat 8/23

9:50 am-5:40 pm

2 stops7h 50m

$152

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Thu 10/16

12:44 pm-9:00 pm

1 stop8h 16m

Seattle/Tacoma Intl

Wed 10/22

6:30 am-12:25 pm

1 stop5h 55m

$178

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 9/13

4:58 pm-9:24 pm

1 stop4h 26m

Seattle/Tacoma Intl

Sat 9/20

7:00 am-11:26 am

1 stop28h 26m

$179

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sun 9/14

12:26 pm-12:30 am

1 stop12h 04m

Seattle/Tacoma Intl

Sat 9/20

7:00 am-11:26 am

1 stop28h 26m

$195

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 9/2

9:30 am-2:26 pm

1 stop4h 56m

$78

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 12/3

6:04 am-1:42 pm

1 stop7h 38m

$80

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sun 8/24

8:00 am-10:17 am

Nonstop2h 17m

$83

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 14 results
1
2

The best insider tips for San Jose to Seattle 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 San Jose to Seattle trip
Airports
SJC

SJC offers free Wi-Fi throughout the airport, making it easy to stay connected while waiting for your flight.

Read more about SJCby Daniel Scheffler
SEA

Use the Link light rail from SEA to downtown Seattle for a cost-effective and convenient 40-minute journey.

Read more about SEAby Brandon Schultz
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

Best time to book a flight from San Jose to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from San Jose 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 San Jose to Seattle

How far ahead should I book a flight from San Jose to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from San Jose to Seattle. Price data was last updated on July 25, 2025.

The best time to book flights from San Jose to Seattle is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from San Jose to Seattle (average of $238). Flying from San Jose to Seattle in June is currently the most expensive (average of $389). 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 SJC to SEA?

Find hourly flight availability from San Jose to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

A simple way to save on the total cost of your ticket is to fly from San Jose to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from San Jose to Seattle?

Use this chart to determine the cheapest time to fly round-trip from San Jose to Seattle. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their San Jose to Seattle flight should consider departing on Friday evenings 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 San Jose to Seattle

Explore weekly flight availability from San Jose to Seattle. 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 August 1, 2025.

The most flights from SJC to SEA are scheduled on a Friday (56 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated August 1, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from San Jose to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Related info for your journey

Find useful and relevant information for your journey from San Jose to Seattle. 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 San Jose to Seattle?

    If you wish to fly to Seattle from San Jose, then you need to book flights from San Jose to Seattle/Tacoma Intl. There are 39 flights from San Jose (SJC) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from San Jose are available from 7 different airlines, which means you should have some options if you want to compare airfare deals. 2h 08m is how long a nonstop flight from San Jose to Seattle/Tacoma Intl typically takes.

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

    This flight path from San Jose to Seattle/Tacoma Intl was viewed by 65 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at $137, Delta will fly you from San Jose to Seattle and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Hawaiian Airlines - these airlines can fly you to your destination from $141 and $149, respectively. Delta is priced at 44% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $78. Users have also found prices from $80 and $83 on American Airlines and Hawaiian Airlines, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Jose to Seattle on time: Horizon Air (100%), Aeromexico (97%), Scandinavian Airlines (93%).

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

    The cheapest flight price from San Jose to Seattle is $73. On average you can expect to pay $868. The most popular route, (San Jose - Seattle/Tacoma Intl), can usually be booked for $131.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Jose to Seattle 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 San Jose to Seattle?

    Currently, January is the cheapest month in which you can book a flight from San Jose to Seattle (average of $238). Flying from San Jose to Seattle in June is currently the most expensive (average of $389). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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 San Jose to Seattle

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

Top 7 airlines flying from San Jose to Seattle

Discover the top 7 airlines that operate flights from San Jose to Seattle. 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$64Average$180FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$108Average$264FlexibilityNo cancel feeOn-time85%
FrontierCheapest$112Average$234FlexibilityNo cancel feeOn-time62%
DeltaCheapest$116Average$228FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$136Average$275FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$138Average$245FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$202Average$537FlexibilityNo cancel feeOn-time69%

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.