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Cheap flights from Seattle to San Jose, California from £63

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJC
28 Apr — 5 May1
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 March 2026.

Wed 3/618:25
SEA
-
SJC
Nonstop2h 15m
Southwest
Tue 9/606:35
SJC
-
SEA
Nonstop2h 15m
Southwest
Deal found 26/3£124
Wed 29/411:40
SEA
-
SJC
1 stop7h 27m
Delta
Tue 5/515:40
SJC
-
SEA
Nonstop2h 25m
Delta
Deal found 25/3£132
Wed 22/407:50
SEA
-
SJC
Nonstop2h 15m
Southwest
Wed 29/416:30
SJC
-
SEA
2 stops7h 05m
Southwest
Deal found 26/3£136
Wed 22/420:15
SEA
-
SJC
Nonstop2h 20m
Alaska Airlines
Mon 27/421:42
SJC
-
SEA
Nonstop2h 17m
Alaska Airlines
Deal found 25/3£137
Wed 29/407:35
SEA
-
SJC
1 stop7h 33m
Delta
Wed 6/506:45
SJC
-
SEA
1 stop5h 52m
Delta
Deal found 25/3£139
Tue 12/506:50
SEA
-
SJC
1 stop7h 40m
Southwest
Tue 12/516:30
SJC
-
SEA
2 stops7h 25m
Southwest
Deal found 25/3£144
Sat 25/407:35
SEA
-
SJC
1 stop5h 43m
Delta
Tue 28/418:32
SJC
-
SEA
Nonstop2h 28m
Delta
Deal found 26/3£145
Wed 29/406:50
SEA
-
SJC
2 stops6h 55m
Southwest
Tue 12/515:00
SJC
-
SEA
2 stops7h 55m
Southwest
Deal found 25/3£147
Wed 29/406:50
SEA
-
SJC
2 stops6h 55m
Southwest
Sat 9/511:15
SJC
-
SEA
Nonstop2h 15m
Southwest
Deal found 25/3£149
Thu 30/419:50
SEA
-
SJC
Nonstop2h 25m
Delta
Sat 2/518:32
SJC
-
SEA
Nonstop2h 28m
Delta
Deal found 26/3£150
Thu 23/408:30
SEA
-
SJC
Nonstop2h 25m
Delta
Mon 27/418:32
SJC
-
SEA
Nonstop2h 28m
Delta
Deal found 25/3£151

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 March 2026.

Round-trip from

£124

One-way from

£63

Popular in

February

Cheapest in

October

Average price

£204
Southwest
  • Southwest
  • 3/6-9/6
  • Nonstop
  • 4h 30m total
  • Seattle to San Jose
Search Deals
Delta
  • Delta
  • 20/5
  • Nonstop
  • 2h 26m total
  • Seattle to San Jose
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 March 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

Tue 2/6

07:50-10:05

Nonstop2h 15m

San Jose

Mon 8/6

17:00-23:50

2 stops6h 50m

£149
Fastest return journey

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Mon 1/6

17:45-20:03

Nonstop2h 18m

San Jose

Sat 13/6

20:44-23:10

Nonstop2h 26m

£172

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Tue 5/5

21:24-11:17

1 stop13h 53m

San Jose

Wed 6/5

14:44-17:00

Nonstop2h 16m

£174

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Mon 1/6

17:45-20:03

Nonstop2h 18m

San Jose

Sat 6/6

20:50-23:20

Nonstop2h 30m

£180

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Sat 23/5

11:45-14:11

Nonstop2h 26m

San Jose

Mon 25/5

07:36-10:05

Nonstop2h 29m

£180

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Tue 2/6

17:45-20:03

Nonstop2h 18m

San Jose

Fri 12/6

16:30-22:19

1 stop5h 49m

£182

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Sat 9/5

12:55-19:04

1 stop6h 09m

San Jose

Sat 16/5

14:34-16:51

Nonstop2h 17m

£190

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Mon 11/5

07:20-14:25

2 stops7h 05m

San Jose

Wed 20/5

06:20-08:40

Nonstop2h 20m

£199

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Sat 11/7

05:30-10:50

1 stop5h 20m

San Jose

Wed 15/7

19:20-21:30

Nonstop2h 10m

£201

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Mon 1/6

06:30-12:15

1 stop5h 45m

San Jose

Sat 13/6

16:25-00:35

1 stop8h 10m

£202

Flights are sorted by cheapest return flights first.

Deals found on 26/3

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?

Use this chart to determine the optimal time to book a return flight from Seattle to San Jose. Price data was last updated on 13 March 2026.

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 £62). Flying from Seattle to San Jose, California in June is currently the most expensive (average of £99). 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 March 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 68% versus a flight in the afternoon.

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 15m. Southwest provides one of the quickest options available for as low as £124. There are 697 mi between Seattle and San Jose, California. Both multi-stop and direct flights can be found to your destination and back.

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

    Consider United Airlines (100%), American Airlines (91%) or Aeromexico (90%) 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, January is the cheapest month in which you can book a flight from Seattle to San Jose, California (average of £62). Flying from Seattle to San Jose, California in June is currently the most expensive (average of £99). 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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