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Cheap flights from Seattle to San Jose, California from £86

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJC
29 Jul — 5 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to San Jose

Enter your travel dates to find the best prices.

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 29 June 2026.

Wed 29/720:30
SEA
-
SJC
Nonstop2h 18m
Delta
Tue 4/811:37
SJC
-
SEA
Nonstop2h 23m
Delta
Deal found 25/6£119
Wed 19/808:30
SEA
-
SJC
1 stop5h 45m
Southwest
Sat 22/816:45
SJC
-
SEA
Nonstop2h 10m
Southwest
Deal found 28/6£126
Wed 5/808:30
SEA
-
SJC
1 stop7h 55m
Southwest
Tue 11/816:40
SJC
-
SEA
1 stop6h 45m
Southwest
Deal found 25/6£134
Sat 22/806:00
SEA
-
SJC
3 stops10h 40m
Southwest
Wed 26/806:35
SJC
-
SEA
Nonstop2h 10m
Southwest
Deal found 25/6£135
Wed 19/814:42
SEA
-
SJC
Nonstop2h 14m
Alaska Airlines
Thu 20/806:17
SJC
-
SEA
Nonstop2h 15m
Alaska Airlines
Deal found 28/6£138
Sat 15/808:25
SEA
-
SJC
Nonstop2h 27m
Delta
Mon 17/817:50
SJC
-
SEA
Nonstop2h 20m
Delta
Deal found 25/6£145
Sat 25/717:50
SEA
-
SJC
Nonstop2h 24m
Delta
Tue 28/720:59
SJC
-
SEA
Nonstop2h 24m
Delta
Deal found 29/6£149
Sat 15/816:35
SEA
-
SJC
Nonstop2h 20m
Southwest
Mon 17/809:05
SJC
-
SEA
2 stops8h 30m
Southwest
Deal found 26/6£150

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 29 June 2026.

Round-trip from

£119

One-way from

£86

Popular in

February

Cheapest in

October

Average price

£220
Delta
  • Delta
  • 29/7-4/8
  • Nonstop
  • 4h 41m total
  • Seattle to San Jose
Search Deals
Delta
  • Delta
  • 20/8
  • Nonstop
  • 2h 26m total
  • Seattle to San Jose
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 29 June 2026.
Use the filters below to find and compare flights from Seattle to San Jose that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Sat 10/10

08:25-10:50

Nonstop2h 25m

San Jose

Sat 10/10

17:42-20:08

Nonstop2h 26m

£119

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Thu 8/10

08:25-10:50

Nonstop2h 25m

San Jose

Sat 10/10

07:21-09:50

Nonstop2h 29m

£138

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Sat 1/8

08:30-10:55

Nonstop2h 25m

San Jose

Sun 2/8

20:59-23:23

Nonstop2h 24m

£161

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Sat 29/8

05:00-11:55

1 stop6h 55m

San Jose

Sun 30/8

07:30-09:40

Nonstop2h 10m

£168

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Thu 30/7

07:15-12:35

1 stop5h 20m

San Jose

Sat 1/8

17:50-20:08

Nonstop2h 18m

£168

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Thu 16/7

06:45-08:55

Nonstop2h 10m

San Jose

Tue 21/7

16:30-00:45

2 stops8h 15m

£172

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Thu 23/7

19:10-07:50

2 stops12h 40m

San Jose

Sat 25/7

16:25-00:40

1 stop8h 15m

£184

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Tue 4/8

07:12-18:00

2 stops10h 48m

San Jose

Wed 5/8

14:16-16:27

Nonstop2h 11m

£199

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Thu 16/7

14:18-16:32

Nonstop2h 14m

San Jose

Sun 19/7

08:20-10:31

Nonstop2h 11m

£202

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Mon 16/11

07:00-11:55

1 stop4h 55m

San Jose

Sun 22/11

07:00-13:00

1 stop6h 00m

£202

Flights are sorted by cheapest return flights first.

Deals found on 25/6

Showing 1-10 of 22 resultsSorted by cheapest first
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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 return 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?

To ensure you get the cheapest price possible for a flight from Seattle to San Jose, California, you should look to book at least 61 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, October is the cheapest month in which you can book a flight from Seattle to San Jose, California (average of £159). Flying from Seattle to San Jose, California in February is currently the most expensive (average of £259). 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 29 June 2026.

When flying from Seattle to San Jose, California, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 71% versus a flight in the evening.

How much does it cost for a return flight from Seattle to San Jose, California?

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.

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

    Flights from Seattle/Tacoma Intl to San Jose have been viewed 3 times in the past calendar month.

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

    A quick flight from Seattle to San Jose, California can take about 2h 25m. Delta provides one of the quickest options available for as low as £119. There are 697 mi between Seattle and San Jose, California. Generally, flights for this route are direct.

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

    Consider Horizon Air (100%), Aeromexico (97%) or WestJet (95%) when booking your flight. These represent the most reliable airlines when flying from Seattle to San Jose, California.

  • 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 holiday 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, October is the cheapest month in which you can book a flight from Seattle to San Jose, California (average of £159). Flying from Seattle to San Jose, California in February is currently the most expensive (average of £259). 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

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How does Cheapflights help users find flights from Seattle to San Jose?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to San Jose. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Seattle to San Jose?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to San Jose.

Can Cheapflights find flights from Seattle to San Jose with no change fees?

Certainly. Search results for flights to San Jose from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to San Jose become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Jose from Seattle today and book when prices fit your budget.

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