Question 1

How popular is this Seattle to San Jose flight route?

Accepted Answer

This flight path from Seattle/Tacoma Intl to San Jose was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 2

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

Accepted Answer

Delta, at £116, was found to be the cheapest airline from Seattle to San Jose.Alternate airlines flying return to your destination include Alaska Airlines and Southwest. Delta is currently priced 35% below the average price you’ll pay for this route.

Question 3

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

Accepted Answer

The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as £58. However, be on the lookout for offers from Hawaiian Airlines and Southwest, as they are both options that can get you from Seattle to San Jose for a low price.

Question 4

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

Accepted Answer

The best time to book flights from Seattle to San Jose is 49 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.

Question 5

What is the cheapest month to book a flight from Seattle to San Jose?

Accepted Answer

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.

Question 6

What is the cheapest day to fly from Seattle to San Jose?

Accepted Answer

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

Question 7

Weekly flight availability from Seattle to San Jose

Accepted Answer

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

Question 8

E

Accepted Answer

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.

Question 9

E

Accepted Answer

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).

Question 10

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

Accepted Answer

Consider Scandinavian Airlines (100%), China Eastern (93%) or Horizon Air (92%) when booking your flight. These represent the most reliable airlines when flying from Seattle to San Jose.

Question 11

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

Accepted Answer

To save on the cost of your flight from Seattle to San Jose, book at least 50 days before your planned departure. Booking around this time can save you about 246% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £302 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £403.

Question 12

What is the cheapest month to fly from Seattle to San Jose?

Accepted Answer

September is one of the best times of the year to fly to San Jose from Seattle. Prices for September average £180 per person but you can even find prices for as low as £84. The most expensive prices can be found in the month of December. Opting for a September flight can save you 21% on your journey compared to booking in December

Question 13

What is the cheapest time of day to fly from SEA to SJC?

Accepted Answer

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.

Question 14

Can I find deals for flights from Seattle to San Jose that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Seattle to San Jose flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 15

How can I find direct flights from Seattle to San Jose?

Accepted Answer

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.

Question 16

Can I find deals for business class flights from Seattle to San Jose?

Accepted Answer

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.

Question 17

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

Accepted Answer

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.

Question 18

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

Accepted Answer

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.

Question 19

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

Accepted Answer

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.

Question 20

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

Accepted Answer

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.

Round-trip from	£116
One-way from	£58
Popular in	December
Cheapest in	September
Average price	£198

Cheap flights from Seattle to San Jose from £58

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Seattle to San JoseExplore 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 13 June 2025.

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 13 June 2025.

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Use the filters below to find and compare flights from Seattle to San Jose that are best for you.

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.

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?

Use this chart to determine the optimal time to book a return flight from Seattle to San Jose. Price data was last updated on 9 June 2025.

What is the cheapest month to book a flight from Seattle to San Jose?

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 13 June 2025.

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 13 June 2025.

Rainfall in San Jose by month

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

Temperature in San Jose by month

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

Reviews of airlines servicing San Jose

Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta 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.

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?

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

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

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

Can I find deals for flights from Seattle to San Jose that include hotel bookings?

How can I find direct flights from Seattle to San Jose?

Can I find deals for business class flights from Seattle to San Jose?

What is the cheapest month to book a flight from Seattle to San Jose?

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Alternative routes for Seattle to San Jose

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

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

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

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

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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 13 June 2025.