To San Jose

Cheap Flights from Seattle to San Jose

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RatePunk searches hundreds of travel sites at once for deals on flights to San Jose

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Seattle to San Jose

Explore current cheapest deals departing from Seattle to San Jose

Round trip

Sort by: Cheapest

July 22 - July 28

Cheapest

SEA - San Jose

$164

$138

Round trip

July 15 - July 21

Cheapest

SEA - San Jose

$169

$138

Round trip

September 2 - September 9

Cheapest

SEA - San Jose

$151

$138

Round trip

October 20 - October 27

Cheapest

Best

SEA - San Jose

$201

$138

Round trip

July 15 - July 22

SEA - San Jose

$169

$139

Round trip

July 22 - July 29

SEA - San Jose

$164

$139

Round trip

August 26 - August 31

SEA - San Jose

$169

$151

Round trip

July 14 - July 21

Earliest

SEA - San Jose

$169

$157

Round trip

July 15 - July 29

SEA - San Jose

$153

$157

Round trip

August 5 - August 11

SEA - San Jose

$160

$157

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Seattle to San Jose

Right now, only 9% of recent fares for flights from Seattle to San Jose are classified as a good price. Current fares are above the typical level for this route, which typically range from $119–$229, with a median of $157. New deals appear almost daily, so setting up a price alert can help you find cheap flights from Seattle to San Jose as they become available.

A typical journey from Seattle to San Jose takes about 4h 22m, including connections. This route covers a distance of 1122 km, making it a short-haul flight.

For travelers wondering when is the cheapest time to fly from Seattle to San Jose, the data shows that December, November, and October are typically the most affordable months. During these months, the median fare is consistently $129, offering a better value compared to other times of the year.

When flying from Seattle to San Jose, almost all itineraries are non-stop, with direct flights from Seattle to San Jose making up 76.9% of recent fares. For the remaining itineraries that do include connections, travelers typically encounter one stopover.

How much is a round trip from Seattle to San Jose

Regular price: $133 - $289

Prices for flights from Seattle to San Jose are currently within the regular range.

The regular price range for flights from Seattle to San Jose is between $133 and $289. The current lowest deal is $138 with Alaska Airlines, Inc. for travel from Jul 22-Jul 28.

now $138

Low $133

High $289

The cheapest time to fly from Seattle to San Jose

The cheapest month to fly from Seattle to San Jose is January, with a median price of $129. The most expensive month is April, with a median price of $204. Prices are generally lower from January to December.

January

Cheapest

Flights from $129

April

Most Expensive

Flights from $204

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seattle to San Jose

Alaska Airlines, Inc.

Last-minute flights going from Seattle to San Jose

Fri, Jun 19

⌛ Last-Minute

SEA - San Jose

Seattle (SEA) - San Jose (SJC)

Hawaiian Airlines

$427

$362

One-way

Sun, Jun 21

⌛ Last-Minute

SEA - San Jose

Seattle (SEA) - San Jose (SJC)

Frontier Airlines

$427

$344

One-way

Wed, Jul 1

⌛ Last-Minute

SEA - San Jose

Seattle (SEA) - San Jose (SJC)

Alaska Airlines, Inc.

$284

$268

One-way

Thu, Jul 2

⌛ Last-Minute

PAE - San Jose

Everett (PAE) - San Jose (SJC)

Alaska Airlines, Inc.

$366

$299

One-way

Tue, Jul 7

⌛ Last-Minute

SEA - San Jose

Seattle (SEA) - San Jose (SJC)

Alaska Airlines, Inc.

$284

$248

One-way

Tue, Jul 7

⌛ Last-Minute

SEA - San Jose

Seattle (SEA) - San Jose (SJC)

Alaska Airlines, Inc.

$275

$267

One-way

Biggest price drops on these dates for flights from Seattle to San Jose

2 nights

Jun 21 - Jun 23

$427 → $344

19%

2 nights

Aug 8 - Aug 10

$303 → $224

26%

3 nights

Sep 15 - Sep 18

$366 → $287

21%

2 nights

Jul 2 - Jul 4

$366 → $299

18%

Popular Airports to fly from Seattle to San Jose

Seattle - San Jose route insights

💸 Price insights

Recent fares are $138.

Recent fares from Seattle to San Jose are near the typical level, with 9% considered good deals.

📅 Best time to fly

Fly in December for deals.

Historically, the cheapest months to fly from Seattle to San Jose are December, November, and October.

⏱️ Flight duration

Direct flights take 4h 22m.

The typical flight duration from Seattle to San Jose is 4 hours 22 minutes.

✈️ Airlines & availability

Frequent deals are available.

Deals for flights from Seattle to San Jose are frequent, with over 1 deal per day.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights.

Alaska Airlines, Inc. provides direct flights from Seattle to San Jose.

🎯 Booking tip

Consider booking in advance for savings.

The lowest prices are often found by booking 90 days before departure.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International is a major airport for flights from Seattle to San Jose.

📍 ~18 km from Seattle city center (reachable by car or train)

💸 Flights from ~$138

Boeing Field (BFI)

Boeing Field offers an alternative departure point for flights from Seattle to San Jose.

📍 ~8 km from Seattle city center (reachable by car)

💸 Flights from ~$642

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base provides another option for flights from Seattle to San Jose.

📍 ~3 km from Seattle city center (reachable by car)

💸 Flights from ~$743

San Jose main airports to arrive at

San Jose International (SJC)

Cheapest

San Jose International Airport is a convenient arrival point for travelers heading to San Jose.

📍 ~5 km from San Jose city center (reachable by car)

💸 Flights from ~$138

Airports nearby San Jose used as alternative

San Francisco International (SFO)

Consider San Francisco International for its extensive international and long-haul domestic flight network.

📍 ~55 km from San Jose (reachable by car, Caltrain, BART)

💸 Flights from ~$138

Oakland International (OAK)

Oakland International is a major hub for low-cost carriers and often less crowded than SFO.

📍 ~51 km from San Jose (reachable by car)

💸 Flights from ~$138

Monterey Regional (MRY)

Monterey Regional offers a stress-free terminal and short security wait times for regional travel.

📍 ~84 km from San Jose (reachable by car)

💸 Flights from ~$198

Sacramento International (SMF)

Cheapest

Sacramento International is a reliable alternative with a wide variety of domestic carriers and destinations.

📍 ~153 km from San Jose (reachable by car)

💸 Flights from ~$128

Stockton Metropolitan (SCK)

Stockton Metropolitan can be an alternative for specific low-cost regional routes.

📍 ~89 km from San Jose (reachable by car)

💸 Flights from ~$236

Business & First Class Flight Deals to San Jose

41% AI deal score

$1,077

Frequently Asked Questions About Flights to San Jose

Historically, the optimal booking window for flights from Seattle to San Jose is typically between 28 and 59 days before departure. During this period, the average price observed was around $150. Booking within 0-6 days of departure, however, saw average prices rise significantly to $348. For those planning further ahead, booking 60+ days out had an average price of $219, indicating that prices tend to increase again beyond the sweet spot.

Across the trailing quarter, a good price for a flight from Seattle to San Jose is considered to be $119 or less. The median price for this route was $157. Prices can go up, with 75% of fares being $229 or less. Travelers aiming for the best value should target fares at or below the $119 threshold.

Historically, the trailing 270 days show that December, November, and October are typically the cheapest months to fly from Seattle to San Jose, with a median price of $129 for each. The annual median price for this route is $157. While December is listed as one of the cheapest, it also represents the most expensive month based on the median price observed.

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