Cheap flights from San Jose to Seattle from $69
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 to Seattle departing on 7/9. 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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How to get the cheapest flight ticket from San Jose 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?
In general, January is the cheapest month to fly from San Jose to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $214. If you don’t want to visit Seattle in January, then you should wait until October to fly from San Jose, when ticket prices are also cheap, with an average price of $215.
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 is on a Friday. momondo users have found tickets for Friday departures for as low as $310. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from San Jose because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $413.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from San Jose in the evening is the least expensive time of day to depart. momondo users have found prices as low as $276 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $358. 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 when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $246 when searching 13 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from San Jose for as low as $192 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.
What is the cheapest airline that flies from San Jose to Seattle/Tacoma Intl?
Spirit Airlines, Delta, and American Airlines are the most popular carriers operating from San Jose to Seattle/Tacoma Intl
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 according to our data. Alaska Airlines is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 9 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Jose to Seattle on average per day?
As of June 2025, there are 27 flights per day flying from San Jose to Seattle. The most common time of day flights depart is 12:00PM, with 49% of flights taking off in the afternoon.
How many flights depart from San Jose to Seattle on average per week?
193 flights are operational weekly from San Jose to Seattle as of June 2025. The most popular departure day for this route is Thu, with 26% of flights per week taking off on this day.
When to book flights from San Jose to Seattle
Cheap San Jose to Seattle (SJC to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Jose to Seattle
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 07m.
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 June 2025, there are 8 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 to Seattle?
Based on momondo bookings for flights between San Jose and Seattle, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 21.71% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 15.91%, Boeing 737 MAX 9 with 10.57%, and Boeing 737 with 9.31%.
What is the most popular airline from San Jose to Seattle?
momondo data reveals that the most frequently booked airline on the route from San Jose to Seattle is Alaska Airlines, representing 56% of all bookings. The subsequent popular airlines are Delta at 20%, Southwest at 17%, and Hawaiian Airlines at 4%.
Best airlines flying from San Jose to Seattle
Compare and see reviews for airlines that fly from San Jose to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $68 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $100 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $108 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $123 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $137 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $138 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $202 | Free Cancellation | Rating 7.4 8,790 reviews |
Delta Flights From San Jose to Seattle
Delta flies from San Jose to Seattle around 20 times per week, with 7,946 momondo users rating the airline 8.0/10. The cheapest Delta deal from San Jose to Seattle in the last 72 hours was $123 (round-trip), much lower than the average airfare cost of $223 for Delta flights on this route.
Alaska Airlines Flights From San Jose to Seattle
Across 10,000 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from San Jose to Seattle about 7 times each week, with ticket deals ranging from $137 to $276. Price data is based on momondo searches in the last 72 hours.
Traveling to a place near Seattle?
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Why should I use momondo to find a flight deal from San Jose to Seattle?
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.