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$79+ 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
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 October, booked 87 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 junio 12, 2025.

Round-trip from

$157
(Delta)

One-way from

$79
(Delta)

Popular in

August

Cheapest in

January

Average price

$273

Good round-trip deal

$220 or less

Good one-way deal

$136 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. 3% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/411:32 amSJC - SEA
Nonstop2h 18mDelta
mié. 8/68:20 amSEA - SJC
Nonstop2h 23mDelta
Deal found 6/11$157
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/86:00 amSJC - SEA
1 stop9h 03mSpirit Airlines
sáb. 7/125:30 pmSEA - SJC
1 stop6h 24mSpirit Airlines
Deal found 6/10$158
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/209:00 amSJC - SEA
Nonstop2h 18mAlaska Airlines
mié. 8/271:42 pmSEA - SJC
1 stop6h 47mAlaska Airlines
Deal found 6/11$167
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/47:05 amSJC - SEA
Nonstop2h 15mSouthwest
jue. 8/75:15 amSEA - SJC
2 stops7h 05mSouthwest
Deal found 6/10$172
This Agoda.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 Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/297:03 amSJC - SEA
Nonstop2h 12mHawaiian Airlines
mar. 9/99:42 amSEA - SJC
Nonstop2h 15mHawaiian Airlines
Deal found 6/10$184
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/226:30 amSJC - SEA
1 stop9h 55mMultiple Airlines
mié. 7/307:00 amSEA - SJC
Nonstop2h 08mMultiple Airlines
Deal found 6/10$198
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/512:17 pmSJC - SEA
1 stop7h 22mFrontier
dom. 9/78:34 pmSEA - SJC
1 stop14h 58mFrontier
Deal found 6/10$200

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 junio 12, 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

lun. 8/4

2:32 pm-4:44 pm

Nonstop2h 12m

Seattle/Tacoma Intl

jue. 8/7

2:35 pm-4:52 pm

Nonstop2h 17m

$157

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

mar. 7/8

6:00 am-3:03 pm

1 stop9h 03m

Seattle/Tacoma Intl

sáb. 7/12

5:30 pm-11:54 pm

1 stop6h 24m

$158

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

mié. 8/20

9:00 am-11:18 am

Nonstop2h 18m

Seattle/Tacoma Intl

mié. 8/27

1:42 pm-8:29 pm

1 stop6h 47m

$167

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

lun. 8/4

7:05 am-9:20 am

Nonstop2h 15m

Seattle/Tacoma Intl

jue. 8/7

5:15 am-12:20 pm

2 stops7h 05m

$172

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

mar. 7/29

7:03 am-9:15 am

Nonstop2h 12m

Seattle/Tacoma Intl

mar. 9/9

9:42 am-11:57 am

Nonstop2h 15m

$184

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

mar. 7/22

6:30 am-4:25 pm

1 stop9h 55m

Seattle/Tacoma Intl

mié. 7/30

7:00 am-9:08 am

Nonstop2h 08m

$198

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

vie. 9/5

12:17 pm-7:39 pm

1 stop7h 22m

Seattle/Tacoma Intl

dom. 9/7

8:34 pm-11:32 am

1 stop14h 58m

$200

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

mar. 9/2

7:23 am-9:45 am

Nonstop2h 22m

$79

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

mar. 9/2

6:00 am-2:43 pm

1 stop8h 43m

$80

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

lun. 9/8

1:00 pm-8:24 pm

1 stop7h 24m

$82

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 15 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 June 9, 2025.

The best time to book flights from San Jose to Seattle is 87 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 July is currently the most expensive (average of $391). 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 junio 12, 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 23% 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 June 8, 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. Sunday afternoons 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 junio 12, 2025.

The most flights from SJC to SEA are scheduled on a Thursday (51 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 junio 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from San Jose to Seattle have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 27 flights from San Jose (SJC) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from San Jose are available from 8 different airlines, which means you should have some options if you want to compare airfare deals. 2h 07m 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 42 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 $157, 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 Spirit Airlines and Alaska Airlines - these airlines can fly you to your destination from $158 and $167, respectively. Delta is priced at 36% 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 Delta. According to our data, you can fly for as low as $79. Users have also found prices from $80 and $82 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%), Scandinavian Airlines (100%), Aeromexico (97%).

  • 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 $725. The most popular route, (San Jose - Seattle/Tacoma Intl), can usually be booked for $142.

  • 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 July is currently the most expensive (average of $391). 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 San Jose?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from San Jose to Seattle

Discover the top 8 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$68Average$179FlexibilityNo cancel feeOn-time65%
FrontierCheapest$100Average$219FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$108Average$243FlexibilityNo cancel feeOn-time85%
DeltaCheapest$123Average$223FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$137Average$276FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$138Average$242FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$198Average$317FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$202Average$537FlexibilityNo cancel feeOn-time69%

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