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Cheap flights from Seattle to San Jose from $77

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to San Jose departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to San Jose (SEA-SJC)

Cheap round-trip flights

Delta Logo
7:50 pm - 10:11 pmSEA-SJC
2h 21mnonstop
Delta Logo
11:35 am - 1:57 pmSJC-SEA
2h 22mnonstop
$137Delta
Find Deal
ter, set 16 - qua, set 17
Alaska Airlines Logo
12:00 pm - 2:21 pmSEA-SJC
2h 21mnonstop
Alaska Airlines Logo
4:58 pm - 9:24 pmSJC-SEA
4h 26m1 stop
$141Alaska Airlines
Find Deal
qua, set 17 - qua, set 17
Alaska Airlines Logo
7:00 am - 11:03 amSEA-SJC
4h 03m1 stop
Alaska Airlines Logo
12:52 pm - 3:09 pmSJC-SEA
2h 17mnonstop
$147Alaska Airlines
Find Deal
ter, set 9 - ter, set 16
Southwest Logo
10:10 am - 4:35 pmSEA-SJC
6h 25m2 stops
Southwest Logo
7:10 am - 9:25 amSJC-SEA
2h 15mnonstop
$152Southwest
Find Deal
ter, set 16 - qua, set 24
Delta Logo
8:35 am - 10:55 amSEA-SJC
2h 20mnonstop
Delta Logo
7:14 am - 9:45 amSJC-SEA
2h 31mnonstop
$157Delta
Find Deal
qua, set 10 - qui, set 11
Southwest Logo
6:45 am - 11:45 amSEA-SJC
5h 00m1 stop
Southwest Logo
11:55 am - 2:10 pmSJC-SEA
2h 15mnonstop
$167Southwest
Find Deal
ter, set 9 - qua, set 10
Hawaiian Airlines Logo
5:20 am - 8:53 amSEA-SJC
3h 33m1 stop
Hawaiian Airlines Logo
4:58 pm - 9:24 pmSJC-SEA
4h 26m1 stop
$176Hawaiian Airlines
Find Deal
qui, set 18 - sáb, set 20
Frontier Logo
6:12 am - 1:14 pmSEA-SJC
7h 02m1 stop
Frontier Logo
12:26 pm - 12:30 amSJC-SEA
12h 04m1 stop
$179Frontier
Find Deal
qui, out 2 - dom, out 5
Frontier Logo
7:00 am - 11:26 amSEA-SJC
28h 26m1 stop
Frontier Logo
12:26 pm - 12:30 amSJC-SEA
12h 04m1 stop
$185Frontier
Find Deal
sáb, set 13 - dom, set 14
Hawaiian Airlines Logo
4:59 pm - 10:43 pmSEA-SJC
5h 44m1 stop
Hawaiian Airlines Logo
4:58 pm - 9:24 pmSJC-SEA
4h 26m1 stop
$186Hawaiian Airlines
Find Deal
sex, set 12 - sáb, set 13

Frontier flights from Seattle to San Jose

Our best Frontier deals on Seattle to San Jose flight tickets
Frontier
Oct 2
SEA6:12 amSeattle/Tacoma Intl
7h 02m
1 stop
SJC1:14 pmSan Jose
Oct 5
SJC12:26 pmSan Jose
12h 04m
1 stop
SEA12:30 amSeattle/Tacoma Intl
$179
Find similar
Frontier
Sep 13
SEA7:00 amSeattle/Tacoma Intl
28h 26m
1 stop
SJC11:26 amSan Jose
Sep 14
SJC12:26 pmSan Jose
12h 04m
1 stop
SEA12:30 amSeattle/Tacoma Intl
$185
Find similar
Frontier
Aug 23
SEA12:40 pmSeattle/Tacoma Intl
22h 36m
1 stop
SJC11:16 amSan Jose
Aug 25
SJC12:01 pmSan Jose
12h 33m
1 stop
SEA12:34 amSeattle/Tacoma Intl
$195
Find similar

Alaska Airlines flights from Seattle to San Jose

Our best Alaska Airlines deals on Seattle to San Jose flight tickets
Alaska Airlines
Sep 17
SEA12:00 pmSeattle/Tacoma Intl
2h 21m
SJC2:21 pmSan Jose
Sep 17
SJC4:58 pmSan Jose
4h 26m
1 stop
SEA9:24 pmSeattle/Tacoma Intl
$141
Find similar
Alaska Airlines
Sep 9
SEA7:00 amSeattle/Tacoma Intl
4h 03m
1 stop
SJC11:03 amSan Jose
Sep 16
SJC12:52 pmSan Jose
2h 17m
SEA3:09 pmSeattle/Tacoma Intl
$147
Find similar
Alaska Airlines
Sep 17
SEA7:00 amSeattle/Tacoma Intl
4h 03m
1 stop
SJC11:03 amSan Jose
Sep 30
SJC8:00 amSan Jose
6h 26m
1 stop
SEA2:26 pmSeattle/Tacoma Intl
$156
Find similar

momondo Fare Finder

 
Customize 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, momondo users made 832,500 searches. Data last updated agosto 19, 2025.
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

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

ter 9/16

7:50 pm-10:11 pm

Nonstop2h 21m

San Jose

qua 9/17

11:35 am-1:57 pm

Nonstop2h 22m

$137

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

qua 9/17

12:00 pm-2:21 pm

Nonstop2h 21m

San Jose

qua 9/17

4:58 pm-9:24 pm

1 stop4h 26m

$141

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

ter 9/9

7:00 am-11:03 am

1 stop4h 03m

San Jose

ter 9/16

12:52 pm-3:09 pm

Nonstop2h 17m

$147

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

ter 9/16

10:10 am-4:35 pm

2 stops6h 25m

San Jose

qua 9/24

7:10 am-9:25 am

Nonstop2h 15m

$152

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

qua 9/10

8:35 am-10:55 am

Nonstop2h 20m

San Jose

qui 9/11

7:14 am-9:45 am

Nonstop2h 31m

$157

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

ter 9/9

6:45 am-11:45 am

1 stop5h 00m

San Jose

qua 9/10

11:55 am-2:10 pm

Nonstop2h 15m

$167

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

qui 9/18

5:20 am-8:53 am

1 stop3h 33m

San Jose

sáb 9/20

4:58 pm-9:24 pm

1 stop4h 26m

$176

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

qui 10/2

6:12 am-1:14 pm

1 stop7h 02m

San Jose

dom 10/5

12:26 pm-12:30 am

1 stop12h 04m

$179

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

sáb 9/13

7:00 am-11:26 am

1 stop28h 26m

San Jose

dom 9/14

12:26 pm-12:30 am

1 stop12h 04m

$185

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

sex 9/12

4:59 pm-10:43 pm

1 stop5h 44m

San Jose

sáb 9/13

4:58 pm-9:24 pm

1 stop4h 26m

$186

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Jose from

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

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

What is the cheapest month to fly to San Jose?

In general, September is the cheapest month to fly from Seattle to San Jose. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $211. If you aren’t able to travel to San Jose during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $216.

What is the cheapest day to depart on your flight to San Jose?

The cheapest day to depart on your flight to San Jose is on a Friday when prices can be found for as low as $242. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Jose on Monday is $385.

What is the cheapest time of day to depart on your flight to San Jose?

Our most recent data shows that the best time of day to fly to San Jose is in the evening. Flights from Seattle to San Jose during this time can be as low as $252. In contrast, the most expensive time of day to depart to San Jose is in the morning when prices are around $266.

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

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

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

You are more likely to see cheaper flights to San Jose from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to San Jose for around $247 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Jose from Seattle for as low as $170 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to San Jose flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to San Jose flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of August 2025, prices for Seattle to San Jose flights are approximately 23% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to San Jose

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

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

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

Best Price Found

$77

Fastest flight time

2h 05m

Direct flights

Every day

Airports in San Jose

1 airport
The best one-way flight to San Jose from Seattle in the past 72 hours is $77. The best round-trip flight deal from Seattle to San Jose found on momondo in the last 72 hours is $137.
The fastest flight from Seattle to San Jose takes 2h 05m
Direct flights go from Seattle to San Jose every day.
There is 1 airport near San Jose: San Jose (SJC)
Search flight deals

  • How far is Seattle/Tacoma Intl to San Jose by plane?

    Seattle/Tacoma Intl and San Jose are 709.9 mi apart from one another. In terms of flight time, this usually takes a little over 2h 05m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to San Jose Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to San Jose Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to San Jose Airport.

  • What documentation or ID do you need to fly to San Jose Airport?

    The travel and health documents you'll need for your trip to San Jose Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Jose Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to San Jose?

  • What is the most popular airline from Seattle to San Jose?

Best airlines flying from Seattle to San Jose

Compare and see reviews for airlines that fly from Seattle to San Jose with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $69Free CancellationRating
6.3
8,037 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $88Free CancellationRating
7.8
2,665 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $112Free CancellationRating
7.9
7,981 reviews
Search Delta flights
FrontierPriceFrom $128Free CancellationRating
5.8
3,211 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $132Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $133Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

  • Alaska Airlines Flights From Seattle to San Jose

    The lowest priced Alaska Airlines flight from Seattle to San Jose from the last 72 hours was $132. Generally, Alaska Airlines has 7 flights on this route every week with an average price of $281. Alaska Airlines is rated 8.0/10 by our users.

  • Southwest Flights From Seattle to San Jose

    The best Southwest deal for Seattle to San Jose flight tickets found on momondo in the last 72 hours was $133, round-trip. It should be noted that an average Southwest flight deal for this route in this time was higher, at $225 round-trip. Southwest operates 15 flights out of Seattle into San Jose in an average week, so prices vary by time and availability. 4,246 Southwest reviews by users on momondo have scored the airline at 8.0/10.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Jose from Seattle.

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

Flights from Seattle to San Jose with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Jose from Seattle.

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

Price alerts on flights to San Jose from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your San Jose trip

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dom 8/24
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