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$74+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Jose to Seattle/Tacoma Intl are usually found in January or February, booked 88 days in advance, depart on a Saturday or Thursday and return on a Thursday

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 September 17, 2025.

Round-trip from

$137
(Delta)

One-way from

$74
(Cheapflightsfares)

Popular in

July

Cheapest in

January

Average price

$283

Good round-trip deal

$222 or less

Good one-way deal

$108 or less
From San Jose to Seattle/Tacoma Intl
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One-way flight from San Jose to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 8% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from San Jose to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from San Jose to Seattle/Tacoma Intl.
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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 September 17, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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.
Sat 10/112:21 pmSJC - SEA
Nonstop2h 21mDelta
Wed 10/151:37 pmSEA - SJC
Nonstop2h 20mDelta
Deal found 9/15$137
This Delta deal was found by Cheapflights users on 9/16. 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.
Thu 12/117:45 pmSJC - SEA
Nonstop2h 28mDelta
Thu 1/812:00 pmSEA - SJC
1 stop6h 51mDelta
Deal found 9/16$141
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:45 pmSJC - SEA
Nonstop2h 23mAlaska Airlines
Wed 10/295:20 amSEA - SJC
1 stop3h 35mAlaska Airlines
Deal found 9/16$142
This KAYAK deal was found by Cheapflights users on 9/16. 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.
Sat 11/16:18 pmSJC - SEA
Nonstop2h 22mAlaska Airlines
Sun 11/211:30 amSEA - SJC
Nonstop2h 15mAlaska Airlines
Deal found 9/16$143
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2912:25 pmSJC - SEA
1 stop12h 05mFrontier
Thu 10/26:12 amSEA - SJC
1 stop7h 02mFrontier
Deal found 9/15$144
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Sat 11/15:20 pmSJC - SEA
Nonstop2h 19mHawaiian Airlines
Mon 11/34:40 pmSEA - SJC
Nonstop2h 13mHawaiian Airlines
Deal found 9/17$145
This Kissandfly.com deal was found by Cheapflights users on 9/15. 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.
Sat 10/255:45 pmSJC - SEA
Nonstop2h 15mMultiple Airlines
Mon 10/278:49 pmSEA - SJC
Nonstop2h 10mMultiple Airlines
Deal found 9/15$146
This Delta deal was found by Cheapflights users on 9/15. 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 10/1611:35 amSJC - SEA
Nonstop2h 28mDelta
Wed 10/228:35 amSEA - SJC
Nonstop2h 16mDelta
Deal found 9/15$147
This Trip.com deal was found by Cheapflights users on 9/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:25 pmSJC - SEA
1 stop12h 05mMultiple Airlines
Tue 10/77:30 pmSEA - SJC
Nonstop2h 12mMultiple Airlines
Deal found 9/16$149
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:25 pmSJC - SEA
1 stop12h 05mMultiple Airlines
Wed 10/89:28 amSEA - SJC
Nonstop2h 18mMultiple Airlines
Deal found 9/15$151
This Southwest deal was found by Cheapflights users on 9/16. 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.
Sat 10/256:20 pmSJC - SEA
Nonstop2h 15mSouthwest
Wed 10/297:10 amSEA - SJC
2 stops8h 50mSouthwest
Deal found 9/16$152
This Trip.com deal was found by Cheapflights users on 9/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:14 pmSJC - SEA
1 stop10h 16mMultiple Airlines
Thu 10/97:05 amSEA - SJC
Nonstop2h 18mMultiple Airlines
Deal found 9/16$154

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 September 17, 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

Sat 11/15

7:15 am-9:56 am

Nonstop2h 41m

Seattle/Tacoma Intl

Sat 11/22

7:54 pm-10:17 pm

Nonstop2h 23m

$137

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 10/25

4:37 pm-7:00 pm

Nonstop2h 23m

Seattle/Tacoma Intl

Sat 11/1

7:50 pm-10:08 pm

Nonstop2h 18m

$137

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 3/3

2:15 pm-4:34 pm

Nonstop2h 19m

Seattle/Tacoma Intl

Wed 3/4

8:35 am-11:00 am

Nonstop2h 25m

$137

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 10/25

5:45 pm-8:00 pm

Nonstop2h 15m

Seattle/Tacoma Intl

Sat 11/1

5:20 am-8:55 am

1 stop3h 35m

$147

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 11/1

5:20 pm-7:39 pm

Nonstop2h 19m

Seattle/Tacoma Intl

Mon 11/3

4:40 pm-6:53 pm

Nonstop2h 13m

$147

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 12/9

7:45 pm-10:13 pm

Nonstop2h 28m

Seattle/Tacoma Intl

Mon 1/5

11:15 am-1:37 pm

Nonstop2h 22m

$147

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 3/3

7:30 am-11:38 am

1 stop4h 08m

Seattle/Tacoma Intl

Wed 3/4

8:00 am-12:15 pm

1 stop4h 15m

$156

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Fri 12/12

6:18 am-8:45 am

Nonstop2h 27m

Seattle/Tacoma Intl

Sat 12/13

8:48 pm-10:59 pm

Nonstop2h 11m

$157

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 10/7

8:00 am-2:35 pm

1 stop6h 35m

Seattle/Tacoma Intl

Thu 10/9

7:05 am-9:23 am

Nonstop2h 18m

$157

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 10/28

8:10 am-10:34 am

Nonstop2h 24m

Seattle/Tacoma Intl

Sun 11/2

8:49 pm-10:59 pm

Nonstop2h 10m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 24 results
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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 September 12, 2025.

The best time to book flights from San Jose to Seattle is 88 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 $387). 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 September 17, 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 24% 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 September 14, 2025.

Travelers seeking maximum savings on their San Jose to Seattle flight should consider departing on Thursday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 17, 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

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,729 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Spirit Airlines
6.3
Okay
8,023 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 33 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 15m 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 54 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Airlines like Delta and Hawaiian Airlines fly from San Jose to Seattle in about 2h 15m. The time it takes to get you to your destination is usually consistent. The distance from San Jose to Seattle is about 697 mi. Most flights are nonstop.

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

    Currently priced at $64, Spirit Airlines will fly you from San Jose to Seattle and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Hawaiian Airlines - these airlines can fly you to your destination from $100 and $108, respectively. Spirit Airlines is priced at 74% 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 Southwest. According to our data, you can fly for as low as $78. Users have also found prices from $78 and $79 on Alaska Airlines and Delta, 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: Sun Country Air (100%), Horizon Air (100%), Aeromexico (98%).

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

    The cheapest flight price from San Jose to Seattle is $78. On average you can expect to pay $496. The most popular route, (San Jose - Seattle/Tacoma Intl), can usually be booked for $105.

  • 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 $387). 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
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$64Average$192FlexibilityNo cancel feeOn-time65%
FrontierCheapest$100Average$254FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$108Average$258FlexibilityNo cancel feeOn-time85%
DeltaCheapest$114Average$226FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$135Average$243FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$146Average$281FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$202Average$485FlexibilityNo cancel feeOn-time69%

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