How many flights depart from San Jose, California to Seattle on average per day?

As of September 2026, there are 26 flights per day flying from San Jose, California to Seattle. The most common time of day flights depart is 14:00, with 57% of flights taking off at midday.

How many flights depart from San Jose, California to Seattle on average per week?

As of September 2026, there are 183 flights per week flying from San Jose, California to Seattle. The most common day of the week flights depart is Sun, with 21% of flights taking off on this day.

What is the cheapest airline that flies from San Jose to Seattle/Tacoma Intl?

Alaska Airlines and Southwest are the most popular carriers operating from San Jose to Seattle/Tacoma Intl

When did momondo last update prices for flights from San Jose Airport to Seattle/Tacoma Intl Airport?

Prices for flights from San Jose Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How old do you have to be to fly from San Jose Airport to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Jose Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

R1 283 Cheap Flights from San Jose, California to Seattle in 2026/27

Find the cheapest flights from San Jose, California to Seattle

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

13:31 - 15:44SJC San Jose-SEA Seattle/Tacoma Intl

2h 13mdirect

17:46 - 20:00SEA Seattle/Tacoma Intl-SJC San Jose

2h 14mdirect

R2 468Alaska Airlines

Sat, Oct 24 - Sat, Oct 24

9:55 - 12:10SJC San Jose-SEA Seattle/Tacoma Intl

2h 15mdirect

7:05 - 9:15SEA Seattle/Tacoma Intl-SJC San Jose

2h 10mdirect

R2 550Southwest

Sat, Oct 17 - Tue, Oct 20

18:00 - 23:00SJC San Jose-SEA Seattle/Tacoma Intl

5h 00m1 stop Las Vegas Harry Reid Intl

9:45 - 11:55SEA Seattle/Tacoma Intl-SJC San Jose

2h 10mdirect

R2 647Southwest

Tue, Oct 20 - Sat, Oct 24

6:25 - 11:55SJC San Jose-SEA Seattle/Tacoma Intl

5h 30m1 stop Las Vegas Harry Reid Intl

17:15 - 19:25SEA Seattle/Tacoma Intl-SJC San Jose

2h 10mdirect

R2 712Southwest

Sat, Oct 17 - Sat, Oct 17

9:10 - 17:40SJC San Jose-SEA Seattle/Tacoma Intl

8h 30m2 stops Burbank Bob Hope Oakland

19:25 - 21:40SEA Seattle/Tacoma Intl-SJC San Jose

2h 15mdirect

R2 793Southwest

Sat, Oct 17 - Tue, Oct 20

6:05 - 8:20SJC San Jose-SEA Seattle/Tacoma Intl

2h 15mdirect

20:40 - 8:30SEA Seattle/Tacoma Intl-SJC San Jose

11h 50m1 stop Las Vegas Harry Reid Intl

R2 810Southwest

Thu, Oct 8 - Mon, Oct 12

6:35 - 11:45SJC San Jose-SEA Seattle/Tacoma Intl

5h 10m1 stop Las Vegas Harry Reid Intl

7:40 - 13:55SEA Seattle/Tacoma Intl-SJC San Jose

6h 15m1 stop San Diego

R2 874Southwest

Thu, Oct 15 - Thu, Oct 22

18:00 - 23:00SJC San Jose-SEA Seattle/Tacoma Intl

5h 00m1 stop Las Vegas Harry Reid Intl

5:35 - 12:40SEA Seattle/Tacoma Intl-SJC San Jose

7h 05m2 stops Phoenix Sky Harbor Intl Santa Ana J. Wayne/Orange Cnty

R2 891Southwest

Wed, Oct 14 - Tue, Oct 20

9:10 - 17:40SJC San Jose-SEA Seattle/Tacoma Intl

8h 30m2 stops Burbank Bob Hope Oakland

7:40 - 14:55SEA Seattle/Tacoma Intl-SJC San Jose

7h 15m1 stop San Diego

R2 956Southwest

Sat, Oct 17 - Mon, Oct 19

9:10 - 17:40SJC San Jose-SEA Seattle/Tacoma Intl

8h 30m2 stops Burbank Bob Hope Oakland

5:35 - 12:40SEA Seattle/Tacoma Intl-SJC San Jose

7h 05m2 stops Phoenix Sky Harbor Intl Santa Ana J. Wayne/Orange Cnty

R3 037Southwest

Sat, Oct 17 - Tue, Oct 20

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:17 - 8:32SJC San Jose-SEA Seattle/Tacoma Intl

2h 15mdirect

17:46 - 20:00SEA Seattle/Tacoma Intl-SJC San Jose

2h 14mdirect

R6 967Alaska Airlines

Thu, Sep 24 - Wed, Oct 14

11:56 - 18:51SJC San Jose-SEA Seattle/Tacoma Intl

6h 55m1 stop Portland

17:46 - 20:00SEA Seattle/Tacoma Intl-SJC San Jose

2h 14mdirect

R7 129Alaska Airlines

Fri, Sep 25 - Wed, Oct 14

6:17 - 8:32SJC San Jose-SEA Seattle/Tacoma Intl

2h 15mdirect

7:18 - 9:41SEA Seattle/Tacoma Intl-SJC San Jose

2h 23mdirect

R7 211Alaska Airlines

Thu, Sep 24 - Thu, Oct 15

14:40 - 18:51SJC San Jose-SEA Seattle/Tacoma Intl

4h 11m1 stop Portland

7:18 - 9:41SEA Seattle/Tacoma Intl-SJC San Jose

2h 23mdirect

R7 373Alaska Airlines

Fri, Sep 25 - Sat, Oct 17

8:02 - 10:19SJC San Jose-SEA Seattle/Tacoma Intl

2h 17mdirect

15:48 - 18:01SEA Seattle/Tacoma Intl-SJC San Jose

2h 13mdirect

R7 438Alaska Airlines

Thu, Sep 24 - Fri, Oct 16

20:53 - 23:16SJC San Jose-SEA Seattle/Tacoma Intl

2h 23mdirect

9:45 - 17:38SEA Seattle/Tacoma Intl-SJC San Jose

7h 53m1 stop Los Angeles Los Angeles

R7 698Delta

Fri, Sep 25 - Tue, Oct 13

19:45 - 22:00SJC San Jose-SEA Seattle/Tacoma Intl

2h 15mdirect

20:48 - 22:59SEA Seattle/Tacoma Intl-SJC San Jose

2h 11mdirect

R7 730Alaska Airlines

Fri, Sep 25 - Tue, Oct 6

6:17 - 8:32SJC San Jose-SEA Seattle/Tacoma Intl

2h 15mdirect

12:15 - 22:27SEA Seattle/Tacoma Intl-SJC San Jose

10h 12m2 stops Pasco Tri Cities Portland

R7 779Alaska Airlines

Sat, Sep 26 - Sat, Sep 26

14:56 - 22:05SJC San Jose-SEA Seattle/Tacoma Intl

7h 09m1 stop Los Angeles Los Angeles

9:45 - 17:38SEA Seattle/Tacoma Intl-SJC San Jose

7h 53m1 stop Los Angeles Los Angeles

R7 860Delta

Fri, Sep 25 - Thu, Oct 15

14:13 - 16:28SJC San Jose-SEA Seattle/Tacoma Intl

2h 15mdirect

20:00 - 9:02SEA Seattle/Tacoma Intl-SJC San Jose

13h 02m2 stops Pasco Tri Cities Portland

R7 876Alaska Airlines

Tue, Sep 22 - Tue, Sep 22

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Alaska Airlines flights from San Jose, California to Seattle

Our best Alaska Airlines deals on San Jose, California to Seattle flight tickets

Alaska Airlines

Oct 24

SJC13:31San Jose

2h 13m

SEA15:44Seattle/Tacoma Intl

Oct 24

SEA17:46Seattle/Tacoma Intl

2h 14m

SJC20:00San Jose

R2 468

Alaska Airlines

Oct 21

SJC13:31San Jose

2h 13m

SEA15:44Seattle/Tacoma Intl

Oct 21

SEA17:46Seattle/Tacoma Intl

2h 14m

SJC20:00San Jose

R3 183

Alaska Airlines

Oct 10

SJC13:31San Jose

2h 13m

SEA15:44Seattle/Tacoma Intl

Oct 10

SEA20:48Seattle/Tacoma Intl

2h 11m

SJC22:59San Jose

R3 199

Southwest flights from San Jose, California to Seattle

Our best Southwest deals on San Jose, California to Seattle flight tickets

Southwest

Oct 17

SJC9:55San Jose

2h 15m

SEA12:10Seattle/Tacoma Intl

Oct 20

SEA7:05Seattle/Tacoma Intl

2h 10m

SJC9:15San Jose

R2 550

Southwest

Oct 20

SJC18:00San Jose

5h 00m

1 stop

SEA23:00Seattle/Tacoma Intl

Oct 24

SEA9:45Seattle/Tacoma Intl

2h 10m

SJC11:55San Jose

R2 647

Southwest

Oct 17

SJC6:25San Jose

5h 30m

1 stop

SEA11:55Seattle/Tacoma Intl

Oct 22

SEA7:15Seattle/Tacoma Intl

2h 10m

SJC9:25San Jose

R2 712

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JoseSeattle

SJC San Jose - SEA Seattle/Tacoma Intl

SJCSEA

San Jose

Sat 24/10

13:31-15:44

Nonstop2h 13m

Seattle/Tacoma Intl

Sat 24/10

17:46-20:00

Nonstop2h 14m

R2 468

Fastest return journey

San JoseSeattle

SJC San Jose - SEA Seattle/Tacoma Intl

SJCSEA

San Jose

Sat 17/10

9:55-12:10

Nonstop2h 15m

Seattle/Tacoma Intl

Tue 20/10

7:05-9:15

Nonstop2h 10m

R2 550

San JoseSeattle

SJC San Jose - SEA Seattle/Tacoma Intl

SJCSEA

San Jose

Tue 20/10

18:00-23:00

1 stop5h 00m

Seattle/Tacoma Intl

Sat 24/10

9:45-11:55

Nonstop2h 10m

R2 647

San JoseSeattle

SJC San Jose - SEA Seattle/Tacoma Intl

SJCSEA

San Jose

Sat 17/10

6:25-11:55

1 stop5h 30m

Seattle/Tacoma Intl

Sat 17/10

17:15-19:25

Nonstop2h 10m

R2 712

San JoseSeattle

SJC San Jose - SEA Seattle/Tacoma Intl

SJCSEA

San Jose

Sat 17/10

9:10-17:40

2 stops8h 30m

Seattle/Tacoma Intl

Tue 20/10

19:25-21:40

Nonstop2h 15m

R2 793

San JoseSeattle

SJC San Jose - SEA Seattle/Tacoma Intl

SJCSEA

San Jose

Thu 8/10

6:05-8:20

Nonstop2h 15m

Seattle/Tacoma Intl

Mon 12/10

20:40-8:30

1 stop11h 50m

R2 810

San JoseSeattle

SJC San Jose - SEA Seattle/Tacoma Intl

SJCSEA

San Jose

Thu 15/10

6:35-11:45

1 stop5h 10m

Seattle/Tacoma Intl

Thu 22/10

7:40-13:55

1 stop6h 15m

R2 874

San JoseSeattle

SJC San Jose - SEA Seattle/Tacoma Intl

SJCSEA

San Jose

Wed 14/10

18:00-23:00

1 stop5h 00m

Seattle/Tacoma Intl

Tue 20/10

5:35-12:40

2 stops7h 05m

R2 891

San JoseSeattle

SJC San Jose - SEA Seattle/Tacoma Intl

SJCSEA

San Jose

Sat 17/10

9:10-17:40

2 stops8h 30m

Seattle/Tacoma Intl

Mon 19/10

7:40-14:55

1 stop7h 15m

R2 956

San JoseSeattle

SJC San Jose - SEA Seattle/Tacoma Intl

SJCSEA

San Jose

Sat 17/10

9:10-17:40

2 stops8h 30m

Seattle/Tacoma Intl

Tue 20/10

5:35-12:40

2 stops7h 05m

R3 037

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Jose, California to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between San Jose, California and Seattle?

Prices are currently low for flights on this route.

Typical prices usually range from R3 216 to R6 301.
The lowest price recently found on this route was R2 468.

What is the cheapest month to fly to Seattle?

The cheapest month to fly to Seattle from San Jose, California is in January. Flight prices, which tend to average around R3 086, are often lower during this time because this is during the off-season. If you aren’t able to travel to Seattle during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of R4 109.

What is the cheapest San Jose to Seattle/Tacoma Intl flight route?

Fly from San Jose to Seattle/Tacoma Intl for the best San Jose - Seattle/Tacoma Intl flight prices

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

You are more likely to see cheaper flights to Seattle from San Jose, California when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around R4 597 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from San Jose, California for as low as R3 248 on momondo.

What cabin class options are available on San Jose, California to Seattle flights?

There is only 1 cabin class available to choose from on San Jose, California to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Jose, California to Seattle flight prices changed over time?

As of September 2026, prices for San Jose, California to Seattle flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from San Jose, California to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from San Jose, California to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap San Jose, California to Seattle (SJC to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Jose, California to Seattle

Best price found	R1 283
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from San Jose, California in the past 72 hours is R1 283. The best return flight deal from San Jose, California to Seattle found on momondo in the last 72 hours is R2 468.

Direct flights go from San Jose, California to Seattle every day.

There is 1 airport in Seattle. From San Jose, California there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

Frequently asked questions about flying from San Jose, California to Seattle

How far is San Jose to Seattle/Tacoma Intl by plane?
San Jose and Seattle/Tacoma Intl are 1142,5 km apart from one another.
When did momondo last update prices for flights from San Jose Airport to Seattle/Tacoma Intl Airport?
Prices for flights from San Jose Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How old do you have to be to fly from San Jose Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Jose Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from San Jose, California to Seattle?
momondo data reveals that the most frequently booked plane model on the route from San Jose, California to Seattle is Boeing 737-800 Passenger/BBJ2 (winglets), representing 32,25% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 24,61%, Boeing 737 at 10,95%, and Boeing 737-700 at 4,51%.

Lynnwood

Why use momondo?

Why should I use momondo to find a flight deal from San Jose to Seattle?

Finding the right flight to Seattle from San Jose is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from San Jose to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from San Jose with this policy.

How can momondo help me find flights from San Jose to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Jose to Seattle.

I’m not ready to book a flight from San Jose to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from San Jose. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.