Cheap Flights from San Jose to Seattle / Tacoma International

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Flight deals from San Jose to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from San Jose to Seattle / Tacoma International Airport? If you want to travel next month, return fares start from ر.ق.‏ 635. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Jose to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Jose to Seattle / Tacoma International flights are currently cheapest in July.

Direct flights from San Jose to Seattle / Tacoma International

San Jose to Seattle: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 318
Cheapest month to flySeptember
Average flight time2 hrs, 20 mins
Most popular airlineAlaska Airlines
Average flights per week320

Finding cheap flights from San Jose to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from San Jose to Seattle / Tacoma International is ر.ق.‏ 597. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 20 minutes is the average flight time from San Jose to Seattle / Tacoma International.
Alaska Airlines, Southwest Airlines and Qatar Airways fly direct from San Jose to Seattle / Tacoma International.
As of May 2026, there are 278 flights per week flying from San Jose to Seattle / Tacoma International.
The cheapest month to fly from San Jose to Seattle / Tacoma International is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Jose to Seattle / Tacoma International Airport on Tuesday, 8 September 2026.
Yes – the average flight time is 2 hours and 20 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Seattle / Tacoma International is Alaska Airlines .

Flying from San Jose to Seattle-Tacoma International Airport (SEA): What you need to know

  • Your trip gets off the ground at San Jose's main airport, Norman Y. Mineta San Jose International Airport (SJC). Explore your options for catching a flight from San Jose to Seattle-Tacoma International Airport (SEA) departing from this base.

  • Jump on a direct San Jose to Seattle-Tacoma International Airport flight and you'll be travelling for around 2 hours 15 minutes.

  • San Jose and Seattle (where Seattle-Tacoma International Airport is located) share the UTC-7 timezone. That means you won't need to change your watch when you arrive.

  • With 80 direct weekly flights between the two airports, Norman Y. Mineta San Jose International Airport (SJC) to Seattle-Tacoma International Airport (SEA) is the busiest route. Alaska Airlines operates the earliest flight at 6:15am. If you prefer to make the most of your day before flying, the latest departure from SJC to SEA is with Southwest Airlines at 9:55pm.

  • Give yourself plenty of time to catch your flight from San Jose to SEA. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Taking off during a peak time like public or school holidays? Expect longer queues at check-in and security. To give yourself peace of mind, arrive up to four hours before international flights and two hours before domestic departures.

Airports in San Jose

Norman Y. Mineta San Jose International Airport (SJC)

  • Norman Y. Mineta San Jose International Airport (SJC) offers an easy route to your destination. Nonstop flights from San Jose to Seattle-Tacoma International Airport (SEA) can be booked from this terminal.

  • You'll have your pick of carriers offering direct flights from San Jose to Seattle-Tacoma International Airport departing from SJC. Book your journey with one of these:

  • Alaska Airlines is the airline with the highest passenger demand for flights from SJC to SEA.

  • The carrier with the most reliable on-time arrival rate on this route is Delta Air Lines.

  • Located around 6 kilometres from central San Jose, SJC can be reached in about 10 minutes by car (depending on traffic). The journey by public transport is roughly 45 minutes.

  • Catching an early flight from San Jose to Seattle-Tacoma International Airport? Avoid rushing to the terminal (and catch some extra z's) by staying at one of these stays near Norman Y. Mineta San Jose International Airport:

  • Norman Y. Mineta San Jose International Airport gets high marks for on-time performance. 84.69% of flights that take off from SJC arrive at their destination on time.

  • SJC is located at 1701 Airport Boulevard, Suite B-1130.

About Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • Central Seattle is roughly 18 kilometres from Seattle-Tacoma International Airport. Journey times by cab or car hire will vary based on time of day, so do some research before your trip.

  • If you're travelling on public transport, expect a journey time of around 55 minutes.

How to find the cheapest flights from San Jose to Seattle-Tacoma International Airport (SEA)

  • At the moment, ر.ق.‏ 318 is the lowest price we've found for a one-way ticket from San Jose to Seattle-Tacoma International Airport. The cheapest price for a return flight is ر.ق.‏ 597. Keep in mind fares may change due to availability at the time of booking.

  • To score cheap flights from San Jose to SEA, book your flight ticket one month ahead of your planned departure.

  • June is when you're most likely to land a good deal on a San Jose to Seattle-Tacoma International Airport ticket. If you need to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • Spend less time searching for cheap flight tickets from San Jose to SEA by creating a Price Alert. We'll send you an email or push notification on the app when a new discounted fare appears.

  • Filters make it easier to scoop up a deal on your flight from San Jose to Seattle-Tacoma International Airport. Choose the airlines, flight times and number of stops that work for you. Then sort the results by 'Cheapest' to find the best price quickly.

The best time to fly from San Jose to Seattle-Tacoma International Airport (SEA)

  • May is the quietest month for flights from San Jose to Seattle-Tacoma International Airport (SEA), while July is the most popular. Figure out the best time to visit Seattle based on whether you prefer a laid-back vibe or a lively atmosphere.

  • Lock in a San Jose to SEA flight ticket departing in August if you're eager to experience the city during its warmest month. Expect temperatures in Seattle to range from 12ºC to 28ºC.

  • February has temperatures of between -1ºC and 11ºC. Look for cheap tickets from San Jose to Seattle-Tacoma International Airport around that time if you want to travel in cooler conditions.

More about Seattle

  • When it comes to looking for somewhere to lay your head, you'll find the best places to stay in Seattle right here. Explore these hotels once you've locked in your flight from San Jose to Seattle-Tacoma International Airport:

  • There are so many things to see and do in this city, it can be tricky to know where to start. Pike Place Market, Space Needle and Seattle Skyline are leading attractions which should be on every Seattle itinerary.

Explore more of the United States

  • Seattle has loads to offer, but there are so many other parts of the United States waiting to be explored. Around 209 kilometres south of Seattle, a trip to Portland will keep you busy. Start with leading attractions like Portland Japanese Garden, Voodoo Doughnut and Great Northwest.

  • Vancouver is another favourite destination in the United States and is around 209 kilometres south of Seattle. No journey is complete without dropping by Vancouver Waterfront, Reconstructed HBC Fort Vancouver and Fort Vancouver National Historic Site Garden.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.