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Cheap flights from Seattle to San Jose from £56

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJC
26 Jan — 2 Feb1
1 adult

Cheap 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 21 January 2025.

Round-trip from

£110

One-way from

£56

Popular in

December

Cheapest in

August

Average price

£194
Alaska Airlines
  • Alaska Airlines
  • 1/3-8/3
  • 1 total stop
  • 12h 28m total
  • Seattle to San Jose
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Alaska Airlines
  • Alaska Airlines
  • 25/2
  • Nonstop
  • 2h 09m total
  • Seattle to San Jose
Search Deals
High demand for flights, 12% potential price rise
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Best time to find cheap flights, 2% potential price drop
Search Deals
Average for round-trip flights in January 2025
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Find flight deals from Seattle to San Jose

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 21 January 2025.

Sat 1/320:44SEA - SJC
1 stop10h 15mMultiple Airlines
Sat 8/313:00SJC - SEA
Nonstop2h 13mMultiple Airlines
Deal found 20/1£110
Wed 19/315:30SEA - SJC
Nonstop2h 15mDelta
Wed 26/306:25SJC - SEA
Nonstop2h 26mDelta
Deal found 20/1£112
Sat 1/309:51SEA - SJC
Nonstop2h 14mAlaska Airlines
Sat 8/313:00SJC - SEA
Nonstop2h 13mAlaska Airlines
Deal found 20/1£123
Sat 1/305:15SEA - SJC
2 stops11h 11mSpirit Airlines
Sat 8/319:54SJC - SEA
1 stop14h 52mSpirit Airlines
Deal found 20/1£126
Fri 21/214:00SEA - SJC
Nonstop2h 15mSouthwest
Sun 23/207:55SJC - SEA
Nonstop2h 15mSouthwest
Deal found 21/1£157
Tue 18/215:24SEA - SJC
2 stops22h 20mUnited Airlines
Tue 25/215:54SJC - SEA
1 stop17h 55mUnited Airlines
Deal found 21/1£358

Find flights from Seattle to San Jose within your budget

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 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Sat 1/3

20:44-06:59

1 stop10h 15m

San Jose

Sat 8/3

13:00-15:13

Nonstop2h 13m

£110

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Wed 19/3

10:00-12:08

Nonstop2h 08m

San Jose

Tue 25/3

08:10-10:25

Nonstop2h 15m

£112

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Wed 19/2

11:25-13:43

Nonstop2h 18m

San Jose

Sat 22/2

06:25-08:55

Nonstop2h 30m

£120

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Sat 1/3

05:15-16:26

2 stops11h 11m

San Jose

Sat 8/3

19:54-10:46

1 stop14h 52m

£126

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Fri 21/2

14:00-16:15

Nonstop2h 15m

San Jose

Sun 23/2

07:55-10:10

Nonstop2h 15m

£157

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Tue 18/2

15:24-13:44

2 stops22h 20m

San Jose

Tue 25/2

15:54-09:49

1 stop17h 55m

£358

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Tue 25/2

17:19-19:28

Nonstop2h 09m

£56

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Tue 11/3

05:45-12:25

2 stops6h 40m

£69

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Tue 18/2

15:20-17:35

Nonstop2h 15m

£73

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Tue 1/4

07:15-21:25

2 stops14h 10m

£239

Flights are sorted by cheapest return flights first.

Deals found on 21/1

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.

Travel insights for flights from Seattle to San Jose

Get recent, data-driven insights about flights from Seattle to San Jose including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Seattle to San Jose. Price data was last updated on 17 January 2025.

The best time to book flights from Seattle to San Jose is 43 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 Seattle to San Jose?

Currently, November is the cheapest month in which you can book a flight from Seattle to San Jose (average of £505). Flying from Seattle to San Jose in July is currently the most expensive (average of £768). 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 21 January 2025.

When flying from Seattle to San Jose, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Seattle to San Jose

Explore weekly flight availability from Seattle to San Jose. 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 21 January 2025.

The most flights from SEA to SJC are scheduled on a Monday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

Rainfall in San Jose by month

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

In terms of precipitation, rainfall in San Jose ranges from 0.0 - 79.0 inches per month. January is typically the wettest month, when rainfall can reach 79.0 mm. July is typically the driest time to visit San Jose when rainfall is around 0.0 mm.

Temperature in San Jose by month

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

If weather is an important factor for your trip to San Jose, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.0 C).

Reviews of airlines servicing San Jose

Get insights into the airlines that provide service to San Jose. 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 San Jose. Reviews last updated 21 January 2025.
Read reviews from past customers who have flown Delta, Southwest and United Airlines from Seattle to San Jose. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
4,659 reviews
Check prices

Boarding

8.2

Entertainment

7.7

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very Good
4,659 reviews
Southwest
8.1
Very Good
4,659 reviews
Check prices

Boarding

8.2

Entertainment

7.7

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very Good
9,706 reviews
Southwest
8.1
Very Good
4,659 reviews
Check prices

Boarding

8.2

Entertainment

7.7

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very Good
8,521 reviews
Southwest
8.1
Very Good
4,659 reviews
Check prices

Boarding

8.2

Entertainment

7.7

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,982 reviews
Southwest
8.1
Very Good
4,659 reviews
Check prices

Boarding

8.2

Entertainment

7.7

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Spirit Airlines
6.3
Okay
8,113 reviews
Southwest
8.1
Very Good
4,659 reviews
Check prices

Boarding

8.2

Entertainment

7.7

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

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 flight route?

    This flight path from Seattle/Tacoma Intl to San Jose was viewed by 3 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 Seattle to San Jose round-trip?

    Alaska Airlines, at £112, was found to be the cheapest airline from Seattle to San Jose.Alternate airlines flying return to your destination include Delta and Spirit Airlines. Alaska Airlines is currently priced 42% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as £56. However, be on the lookout for offers from Southwest and Delta, as they are both options that can get you from Seattle to San Jose for a low price.

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

    Consider Horizon Air (100%), Aeromexico (94%) or WestJet (90%) when booking your flight. These represent the most reliable airlines when flying from Seattle to San Jose.

  • 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?

    Currently, November is the cheapest month in which you can book a flight from Seattle to San Jose (average of £505). Flying from Seattle to San Jose in July is currently the most expensive (average of £768). 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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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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