Route guide · 697 miles
Cheap Flights from San Jose to Seattle
SJC → SEA · Nonstop 1h 55m · Live round-trip fares
Plenty of travelers price out San Jose to Seattle every day — here's how to beat the average fare. Nonstops run about 1h 55m, and the calendar matters more than the airline. Aim to book 2–4 weeks ahead, stay flexible on the day of the week, and set a free alert so a price drop never slips past you.
Live fares for SJC → SEA are updating. Use the search below for real-time prices.
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Updated daily
Flight time
1h 55m
Nonstop, typical
Distance
697 mi
SJC → SEA
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
3
American Airlines, Alaska Airlines & more
Nonstop flights from San Jose to Seattle
Nonstop service links San Jose and Seattle directly — flights are flown by American Airlines, Alaska Airlines, Southwest Airlines. Expect roughly 1h 55m in the air. If a nonstop is what you want, don't wait too long: booking 2–4 weeks ahead is when these seats are priced most kindly.
Booking insights: San Jose → Seattle
- Distance: 697 miles · nonstop flight time: 1h 55m.
- Rule of thumb for this route: the sweet spot is usually 2–4 weeks before departure.
- Midweek departures (Tue–Thu) are consistently cheaper than weekend flights.
- Set a free Airfare Deal alert instead of checking daily — the best fares can sell out in hours.
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Flying from San Jose to Seattle: what you need to know
The flight
San Jose to Seattle covers 697 miles, and a nonstop gets it done in about 1h 55m. That's long enough to settle in with a coffee and a downloaded show, short enough that a connection rarely makes sense — a layover usually doubles your travel day to save very little.
Airlines on this route
American Airlines, Alaska Airlines and Southwest Airlines fly this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from San Jose (SJC)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our San Jose airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Seattle (SEA)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Seattle airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Seattle to San Jose fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 697 miles, booking 2–4 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Get to the airport two hours before departure; security, not the flight, is the part that runs late.
- If you're traveling with only a carry-on, you can skip the bag-drop line entirely with mobile check-in.
- Download the airline's app before you fly; gate changes and delays show up there first.
- Nonstop time on this route is about 1h 55m — a one-stop itinerary needs to be a lot cheaper to be worth the extra hours.
- Tuesday and Wednesday departures are typically the cheapest days on domestic routes.
San Jose to Seattle flight FAQs
How long is the flight from SJC to SEA?
Plan on about 1h 55m in the air for a nonstop from San Jose to Seattle — the route runs roughly 697 miles. Connecting flights typically add 2–4 hours.
Are there nonstop flights from San Jose to Seattle?
Yes — look for American Airlines, Alaska Airlines, Southwest Airlines on this route. Nonstop seats are usually priced best 2–4 weeks before departure.
What is the cheapest month to fly from San Jose to Seattle?
Travelers usually find the gentlest prices away from peak periods — think post-holiday January and the early-fall weeks. Midweek dates inside those windows are cheaper still.
How much are last minute flights from SJC to SEA?
Last-minute flights from SJC to SEA (booked within 7 days of departure) typically cost noticeably more than fares booked 2–4 weeks out. Booking early is the smarter move.
What is a good round-trip deal from San Jose to Seattle?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from San Jose to Seattle?
The main carriers on this route are American Airlines, Alaska Airlines, Southwest Airlines. Comparing all of them on the live search below usually surfaces the lowest fare for your dates.
How early should I get to San Jose airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
More cheap flights from San Jose
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