Question 1

How popular is this San Jose to Seattle flight route?

Accepted Answer

Within the past month, 13 users have taken a look at flights from San Jose to Seattle/Tacoma Intl.

Question 2

What are the cheapest airlines flying from San Jose to Seattle round-trip?

Accepted Answer

Currently priced at £114, Delta will fly you from San Jose to Seattle and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Southwest - these airlines can fly you to your destination from £117 and £125, respectively. These flights start at 36% lower than the current average price 3 months from now.

Question 3

What are the cheapest airlines to fly from San Jose to Seattle one-way?

Accepted Answer

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at £57. Hawaiian Airlines flights start at £59 while deals on Alaska Airlines start at £64 one-way.

Question 4

How far ahead should I book a flight from San Jose to Seattle?

Accepted Answer

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Jose to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 5

What is the cheapest month to book a flight from San Jose to Seattle?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from San Jose to Seattle (average of £622). Flying from San Jose to Seattle in July is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 6

What is the cheapest day to fly from San Jose to Seattle?

Accepted Answer

Travellers seeking maximum savings on their San Jose to Seattle flight should consider departing on Sunday evenings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

Weekly flight availability from San Jose to Seattle

Accepted Answer

The most flights from SJC to SEA are scheduled on a Tuesday (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

Question 8

E

Accepted Answer

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Question 9

E

Accepted Answer

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Question 10

What are the cheapest flights from San Jose to Seattle?

Accepted Answer

The cheapest flight price from San Jose to Seattle is £55. On average you can expect to pay £392. The most popular route, (San Jose - Seattle/Tacoma Intl), can usually be booked for £206.

Question 11

What are the most reliable airlines from San Jose to Seattle?

Accepted Answer

Consider Horizon Air (100%), Scandinavian Airlines (100%) or Aeromexico (95%) when booking your flight. These represent the most reliable airlines when flying from San Jose to Seattle.

Question 12

What is the cheapest day to fly round-trip from San Jose to Seattle?

Accepted Answer

Flights from San Jose to Seattle are found to be more expensive on Tuesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

Question 13

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

Accepted Answer

Users have found that booking a flight from San Jose to Seattle at least 36 days early can save you up to 178% on average compared to booking a flight this week. If booking 36 days before your flight isn’t an option for you, users have found flights from San Jose to Seattle for as little as £236 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £405 for flights departing within the next 3 days.

Question 14

What is the cheapest month to fly from San Jose to Seattle?

Accepted Answer

Our data shows that January tends to be the cheapest month to fly to Seattle from San Jose. Users have commonly found prices around £180 for the month, but tickets can be as low as £97. Due to multiple factors, prepare for potentially higher prices in June.

Question 15

What is the cheapest time of day to fly from SJC to SEA?

Accepted Answer

It’s typically best to fly out from San Jose to Seattle in the evening. Doing so could potentially save you 48% on the flight price compared to flying in the morning, which is usually more expensive.

Question 16

Can I find deals for flights from San Jose to Seattle that include hotel bookings?

Accepted Answer

Yes. In addition to deals on San Jose to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 17

How can I find direct flights from San Jose to Seattle?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Seattle.

Question 18

Can I find deals for business class flights from San Jose to Seattle?

Accepted Answer

Yes. Cheapflights offers flight deals from San Jose to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 19

How does Cheapflights help users find flights from San Jose to Seattle?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from San Jose today with Cheapflights!

Question 20

Why should you use Cheapflights to find cheap flight tickets from San Jose to Seattle?

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from San Jose.

Question 21

Can Cheapflights find flights from San Jose to Seattle with no change fees?

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Jose to Seattle, users can toggle the no change fees filter when performing a flight search.

Question 22

Can Cheapflights notify me if prices for flights from San Jose to Seattle become cheaper?

Accepted Answer

Yes! Start tracking prices for San Jose to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	£114
One-way from	£57
Popular in	June
Cheapest in	January
Average price	£196
Good round-trip deal	£599 or less
Good one-way deal	£101 or less

Cheap flights from San Jose to Seattle from £57

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from San Jose to Seattle/Tacoma Intl are usually found in January or October, booked 87 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from San Jose to Seattle

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Find flight deals from San Jose to Seattle

Cheapest flights from San Jose to SeattleExplore the most affordable flight options available from San Jose to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

Explore the most affordable flight options available from San Jose to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

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

Best time to book a flight from San Jose to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from San Jose with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Jose to Seattle

How far ahead should I book a flight from San Jose to Seattle?

Use this chart to determine the optimal time to book a return flight from San Jose to Seattle. Price data was last updated on 27 June 2025.

What is the cheapest month to book a flight from San Jose to Seattle?

What is the cheapest time of day to fly from SJC to SEA?

Find hourly flight availability from San Jose to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 July 2025.

Weekly flight availability from San Jose to Seattle

Explore weekly flight availability from San Jose to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 2 July 2025.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 2 July 2025.

Get a feel of what it's like to fly with Alaska Airlines, Southwest, andDelta from San Jose to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Jose to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How popular is this San Jose to Seattle flight route?

What are the cheapest airlines flying from San Jose to Seattle round-trip?

What are the cheapest airlines to fly from San Jose to Seattle one-way?

What are the most reliable airlines from San Jose to Seattle?

What are the cheapest flights from San Jose to Seattle?

Can I find deals for flights from San Jose to Seattle that include hotel bookings?

How can I find direct flights from San Jose to Seattle?

Can I find deals for business class flights from San Jose to Seattle?

What is the cheapest month to book a flight from San Jose to Seattle?

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How does Cheapflights help users find flights from San Jose to Seattle?

Why should you use Cheapflights to find cheap flight tickets from San Jose to Seattle?

Can Cheapflights find flights from San Jose to Seattle with no change fees?

Can Cheapflights notify me if prices for flights from San Jose to Seattle become cheaper?

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Cheapest flights from San Jose to Seattle
Explore the most affordable flight options available from San Jose to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.