Which layover airport offers the lowest fares from San Jose, California to Seattle?

Flights via Denver (DEN) offer the lowest average round-trip price of $171.

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

143 flights are operational weekly from San Jose, California to Seattle as of November 2025. The most popular departure day for this route is Thu, with 31% of flights per week taking off on this day.

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

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

Which airport is the most popular layover for flights between San Jose, California and Seattle?

Denver (DEN) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from San Jose, California to Seattle?

Flights connecting via Las Vegas (LAS) have the shortest average one-way travel time: 12h 49m.

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

As of November 2025, there are 20 flights per day flying from San Jose, California to Seattle. The most common time of day flights depart is 7:00AM, with 63% of flights taking off at noon.

Which layover airport has the shortest connection time from San Jose, California to Seattle?

Las Vegas (LAS) has the shortest average layover time for this route: 5h 29m.

What airlines fly to Seattle?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Seattle from San Jose, California according to our data. Alaska Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 8 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

Which airlines fly direct from San Jose to Seattle?

There are a good number of airlines that offer daily direct flights from San Jose to Seattle. Among them, Delta Airlines is the most popular one with multiple flights offered daily. All flights depart from Norman Y. Mineta San Jose International Airport (SJC) and land at Seattle–Tacoma International Airport (SEA). With Delta Airlines you get some amazing amenities such as wireless internet to facilitate your browsing, a personal device for your entertainment, a power outlet in case your devices run out of juice, and snacks to keep you satiated during your flight. Alaska Airlines is another airline offering cheap flights from San Jose to Seattle.

What are the benefits of the different airports in San Jose and Seattle?

Other than, Norman Y. Mineta San Jose International Airport there are two more airports around San Jose from which you can board your flight. These two airports include Oakland International Airport, which is just under 40min away from San Jose via road, and San Francisco International Airport which is a 1h drive away. Both of these airports have some amazing amenities including a separate security line for those passengers traveling in business class. Other amenities include lounges where passengers can relax as they await their San Jose to Seattle flights. Oakland International Airport is particularly known for its wheelchair accessibility with passengers even encouraged to ask the staff around in case they need any special services. Another benefit of flying via Oakland International Airport is that you are set to experience less traffic. The airport handles a relatively lower number of passengers every year compared to other airports so the queues are usually shorter.

What is the best way to get in and out of airports in San Jose and Seattle?

There are plenty of ways to get to Norman Y. Mineta San Jose International Airport for your direct flights from San Jose to Seattle, it just depends on your budget as well as the level of convenience you’re looking for. If you’re planning to prioritize convenience over budget, you could take a taxi to the airport as there are plenty of cab operators that service that route. That would be the most convenient way to get to the airport if you don’t want to miss your one-way flights from San Jose to Seattle. Alternatively, you could also choose to take a train to the airport if you’re looking to save on costs or want to keep your carbon footprint at a minimum. Other options include airport shuttles and rental cars. If you’re looking for the best way to get to the Seattle city center from Seattle–Tacoma International Airport after your flights from San Jose to Seattle, a rental car is a really good option worth considering. They are convenient and you don’t have to go too far to get one as there are rental shops in the airport. The train offers a more budget-friendly option so you don’t have to worry about the huge costs if you’re traveling on a budget. Which cities can you get to from Seattle-Tacoma International Airport? Just from the name of the airport, it is easy to tell which cities are closest to the airport. Downtown Seattle is a few miles north of the airport while Tacoma is located on the southwest side. Both these cities are easily accessible from the airport via either road or train with the drive being around 20min and a train ride just under an hour. Other smaller cities that can be easily accessed from Seattle Tacoma International Airport include Arlington, Granite Falls, and Graham.

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 refresh daily.

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

As of November 2025, there are 7 operators available to choose from for flights from San Jose Airport to Seattle/Tacoma Intl Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 license 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.

$78 Cheap Flights from San Jose to Seattle in 2025/26

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9:05 am - 11:21 amSJC-SEA

2h 16mnonstop

7:30 am - 9:48 amSEA-SJC

2h 18mnonstop

$137Alaska Airlines

Find Deal

Fri, Jan 16 - Mon, Jan 19

11:00 am - 1:19 pmSJC-SEA

2h 19mnonstop

5:02 pm - 10:59 pmSEA-SJC

5h 57m1 stop

$141Alaska Airlines

Find Deal

Sun, Feb 1 - Sun, Feb 1

4:40 pm - 10:55 pmSJC-SEA

6h 15m1 stop

5:35 am - 3:25 pmSEA-SJC

9h 50m2 stops

$142Southwest

Find Deal

Thu, Dec 4 - Sun, Dec 7

6:15 am - 8:36 amSJC-SEA

2h 21mnonstop

3:35 pm - 7:27 pmSEA-SJC

3h 52m1 stop

$145Alaska Airlines

Find Deal

Fri, Jan 30 - Mon, Feb 2

11:16 am - 1:35 pmSJC-SEA

2h 19mnonstop

8:48 pm - 10:59 pmSEA-SJC

2h 11mnonstop

$146Alaska Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

7:45 am - 11:33 amSJC-SEA

3h 48m1 stop

7:30 am - 9:48 amSEA-SJC

2h 18mnonstop

$147Alaska Airlines

Find Deal

Fri, Feb 6 - Sun, Feb 8

12:10 pm - 2:30 pmSJC-SEA

2h 20mnonstop

8:10 am - 10:25 amSEA-SJC

2h 15mnonstop

$157Southwest

Find Deal

Fri, Dec 12 - Mon, Dec 15

1:15 pm - 7:22 pmSJC-SEA

6h 07m1 stop

2:29 pm - 10:49 pmSEA-SJC

8h 20m1 stop

$159American Airlines

Find Deal

Fri, Feb 6 - Sun, Feb 8

7:00 am - 8:44 pmSJC-SEA

13h 44m2 stops

9:25 am - 11:46 amSEA-SJC

2h 21mnonstop

$161Delta

Find Deal

Wed, Dec 17 - Thu, Jan 1

7:00 am - 6:26 pmSJC-SEA

11h 26m2 stops

7:15 am - 2:52 pmSEA-SJC

7h 37m1 stop

$166Delta

Find Deal

Wed, Dec 17 - Wed, Jan 7

Alaska Airlines flights from San Jose, California to Seattle

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

Alaska Airlines

Jan 16

SJC9:05 amSan Jose

2h 16m

SEA11:21 amSeattle/Tacoma Intl

Jan 19

SEA7:30 amSeattle/Tacoma Intl

2h 18m

SJC9:48 amSan Jose

$137

Find similar

Alaska Airlines

Feb 1

SJC11:00 amSan Jose

2h 19m

SEA1:19 pmSeattle/Tacoma Intl

Feb 1

SEA5:02 pmSeattle/Tacoma Intl

5h 57m

1 stop

SJC10:59 pmSan Jose

$141

Find similar

Alaska Airlines

Jan 30

SJC6:15 amSan Jose

2h 21m

SEA8:36 amSeattle/Tacoma Intl

Feb 2

SEA3:35 pmSeattle/Tacoma Intl

3h 52m

1 stop

SJC7:27 pmSan Jose

$145

Find similar

American Airlines flights from San Jose, California to Seattle

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

American Airlines

Feb 6

SJC1:15 pmSan Jose

6h 07m

1 stop

SEA7:22 pmSeattle/Tacoma Intl

Feb 8

SEA2:29 pmSeattle/Tacoma Intl

8h 20m

1 stop

SJC10:49 pmSan Jose

$159

Find similar

American Airlines

Nov 13

SJC6:10 amSan Jose

7h 58m

1 stop

SEA2:08 pmSeattle/Tacoma Intl

Nov 16

SEA6:30 amSeattle/Tacoma Intl

5h 46m

1 stop

SJC12:16 pmSan Jose

$650

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momondo Fare Finder

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

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Fly to

Route

Depart

Return

Price

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Fri 1/16

9:05 am-11:21 am

Nonstop2h 16m

Seattle/Tacoma Intl

Mon 1/19

7:30 am-9:48 am

Nonstop2h 18m

$137

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sun 2/1

11:00 am-1:19 pm

Nonstop2h 19m

Seattle/Tacoma Intl

Sun 2/1

5:02 pm-10:59 pm

1 stop5h 57m

$141

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Thu 12/4

4:40 pm-10:55 pm

1 stop6h 15m

Seattle/Tacoma Intl

Sun 12/7

5:35 am-3:25 pm

2 stops9h 50m

$142

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Fri 1/30

6:15 am-8:36 am

Nonstop2h 21m

Seattle/Tacoma Intl

Mon 2/2

3:35 pm-7:27 pm

1 stop3h 52m

$145

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 12/3

11:16 am-1:35 pm

Nonstop2h 19m

Seattle/Tacoma Intl

Sun 12/7

8:48 pm-10:59 pm

Nonstop2h 11m

$146

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Fri 2/6

7:45 am-11:33 am

1 stop3h 48m

Seattle/Tacoma Intl

Sun 2/8

7:30 am-9:48 am

Nonstop2h 18m

$147

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Fri 12/12

12:10 pm-2:30 pm

Nonstop2h 20m

Seattle/Tacoma Intl

Mon 12/15

8:10 am-10:25 am

Nonstop2h 15m

$157

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Fri 2/6

1:15 pm-7:22 pm

1 stop6h 07m

Seattle/Tacoma Intl

Sun 2/8

2:29 pm-10:49 pm

1 stop8h 20m

$159

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 12/17

7:00 am-8:44 pm

2 stops13h 44m

Seattle/Tacoma Intl

Thu 1/1

9:25 am-11:46 am

Nonstop2h 21m

$161

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 12/17

7:00 am-6:26 pm

2 stops11h 26m

Seattle/Tacoma Intl

Wed 1/7

7:15 am-2:52 pm

1 stop7h 37m

$166

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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

Layovers

Other information

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from San Jose, California to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $212. If you don’t want to visit Seattle in January, then you should wait until February to fly from San Jose, California, when ticket prices are also cheap, with an average price of $213.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from San Jose, California is on a Saturday. momondo users have found tickets for Saturday departures for as low as $303. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from San Jose, California because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $436.

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

Flying to Seattle from San Jose, California in the evening is the least expensive time of day to depart. momondo users have found prices as low as $298 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $368. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 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 $254 when searching weeks out. 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 $196 on momondo.

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

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

Can stopping save me money on San Jose, California to Seattle flights?

No. A direct flight is the cheapest option for a flight between San Jose, California to Seattle.

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

As of November 2025, prices for San Jose, California to Seattle flights are approximately 7% cheaper 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 round-trip 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	$136
Fastest flight time	2h 11m
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 $136. The best round-trip flight deal from San Jose, California to Seattle found on momondo in the last 72 hours is $235.

The fastest flight from San Jose, California to Seattle takes 2h 11m

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

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

Search flight deals

How far is San Jose to Seattle/Tacoma Intl by plane?
A flight from San Jose to Seattle/Tacoma Intl will travel around 709.9 mi. A reasonable flight in good conditions will take 2h 13m.
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 refresh daily.
How many operators does momondo search for flights from San Jose Airport to Seattle/Tacoma Intl Airport?
As of November 2025, there are 7 operators available to choose from for flights from San Jose Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from San Jose Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 license 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?
Based on momondo bookings for flights between San Jose, California and Seattle, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 22.63% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 16.57%, Boeing 737-700 Passenger/BBJ1 (winglets) with 8.35%, and Boeing 737 MAX 9 with 7.95%.
What is the most popular airline from San Jose, California to Seattle?
momondo data reveals that the most frequently booked airline on the route from San Jose, California to Seattle is Alaska Airlines, representing 49% of all bookings. The subsequent popular airlines are Delta at 21%, Southwest at 20%, and Hawaiian Airlines at 8%.

Best airlines flying from San Jose, California to Seattle

Compare and see reviews for airlines that fly from San Jose, California to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $75	Free Cancellation	Rating 6.3 8,119 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $108	Free Cancellation	Rating 7.8 2,804 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $112	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
Frontier	PriceFrom $115	Free Cancellation	Rating 5.8 3,115 reviews	Search Frontier flights
Southwest	PriceFrom $136	Free Cancellation	Rating 8.0 4,240 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $152	Free Cancellation	Rating 8.0 11,245 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $191	Free Cancellation	Rating 7.4 9,004 reviews	Search United Airlines flights

Southwest Flights From San Jose, California to Seattle
Southwest flies from San Jose, California to Seattle around 18 times per week, with 4,240 momondo users rating the airline 8.0/10. The cheapest Southwest deal from San Jose, California to Seattle in the last 72 hours was $136 (round-trip), much lower than the average airfare cost of $244 for Southwest flights on this route.
Alaska Airlines Flights From San Jose, California to Seattle
Across 11,245 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from San Jose, California to Seattle about 13 times each week, with ticket deals ranging from $152 to $289. Price data is based on momondo searches in the last 72 hours.

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We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Jose to Seattle for you.

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

All flight searches from San Jose to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for San Jose to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for San Jose to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from San Jose, California to Seattle from $78

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose, California to Seattle departing on 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Alaska Airlines flights from San Jose, California to Seattle

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

See travel insights to Seattle from

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

What is the cheapest month to fly to Seattle?

What is the cheapest day to depart on your flight to Seattle?

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

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 to Seattle?

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

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

Can stopping save me money on San Jose, California to Seattle flights?

No. A direct flight is the cheapest option for a flight between San Jose, California to Seattle.

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

As of November 2025, prices for San Jose, California to Seattle flights are approximately 7% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to Seattle?

Which airport is the most popular layover for flights between San Jose, California and Seattle?

Denver (DEN) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from San Jose, California to Seattle?

Flights via Denver (DEN) offer the lowest average round-trip price of $171.

Which layover airport has the shortest travel time from San Jose, California to Seattle?

Flights connecting via Las Vegas (LAS) have the shortest average one-way travel time: 12h 49m.

Which layover airport has the shortest connection time from San Jose, California to Seattle?

Las Vegas (LAS) has the shortest average layover time for this route: 5h 29m.

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

As of November 2025, there are 20 flights per day flying from San Jose, California to Seattle. The most common time of day flights depart is 7:00AM, with 63% of flights taking off at noon.

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

143 flights are operational weekly from San Jose, California to Seattle as of November 2025. The most popular departure day for this route is Thu, with 31% of flights per week taking off on this day.

When to book flights from San Jose, California to Seattle

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

Fastest flight time

Direct flights

Airports in Seattle

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

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

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

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

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

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

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

Best airlines flying from San Jose, California to Seattle

Compare and see reviews for airlines that fly from San Jose, California to Seattle with momondo

Southwest Flights From San Jose, California to Seattle

Alaska Airlines Flights From San Jose, California to Seattle

Traveling to a place near Seattle?

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States