Find flights
Deals
When to book
FAQs

Cheap flights from San Jose to Seattle from £58

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SEA
20 Aug — 27 Aug1
1 adult

Cheapflights Tip: The best prices from San Jose to Seattle/Tacoma Intl are usually found in January or October, booked 63 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from San Jose to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 August 2025.

Round-trip from

£101

One-way from

£58

Popular in

July

Cheapest in

January

Average price

£212
Delta
  • Delta
  • 17/9-20/9
  • Nonstop
  • 4h 44m total
  • San Jose to Seattle
Search Deals
Hawaiian Airlines
  • Hawaiian Airlines
  • 27/9
  • 1 total stop
  • 4h 26m total
  • San Jose to Seattle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from San Jose to Seattle

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 15 August 2025.

Wed 17/914:25SJC - SEA
Nonstop2h 18mDelta
Sat 20/908:27SEA - SJC
Nonstop2h 26mDelta
Deal found 15/8£101
Tue 30/909:30SJC - SEA
1 stop4h 56mAlaska Airlines
Tue 30/916:50SEA - SJC
Nonstop2h 10mAlaska Airlines
Deal found 15/8£104
Wed 10/909:00SJC - SEA
Nonstop2h 20mAlaska Airlines
Tue 23/905:20SEA - SJC
1 stop3h 33mAlaska Airlines
Deal found 14/8£108
Tue 9/911:43SJC - SEA
1 stop3h 52mAlaska Airlines
Tue 9/918:47SEA - SJC
Nonstop2h 18mAlaska Airlines
Deal found 14/8£111
Wed 10/907:10SJC - SEA
Nonstop2h 15mSouthwest
Sat 13/906:55SEA - SJC
2 stops8h 10mSouthwest
Deal found 14/8£112
Tue 9/911:43SJC - SEA
1 stop3h 52mAlaska Airlines
Wed 10/907:00SEA - SJC
1 stop4h 03mAlaska Airlines
Deal found 15/8£115
Thu 11/907:14SJC - SEA
Nonstop2h 31mDelta
Sat 20/908:27SEA - SJC
Nonstop2h 26mDelta
Deal found 14/8£116
Wed 8/1008:10SJC - SEA
2 stops10h 30mSouthwest
Wed 8/1019:50SEA - SJC
Nonstop2h 15mSouthwest
Deal found 14/8£117
Mon 29/909:00SJC - SEA
Nonstop2h 20mAlaska Airlines
Mon 29/914:51SEA - SJC
1 stop20h 12mAlaska Airlines
Deal found 14/8£117
Wed 10/907:10SJC - SEA
Nonstop2h 15mSouthwest
Thu 11/911:50SEA - SJC
2 stops6h 35mSouthwest
Deal found 14/8£119
Wed 3/917:50SJC - SEA
1 stop5h 00mSouthwest
Thu 4/905:00SEA - SJC
1 stop6h 35mSouthwest
Deal found 13/8£122
Thu 4/907:23SJC - SEA
Nonstop2h 22mDelta
Tue 9/915:15SEA - SJC
Nonstop2h 15mDelta
Deal found 14/8£123

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Jose to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 August 2025.
Use the filters below to find and compare flights from San Jose to Seattle that are best for you.

Fly from

San Jose

Fly to

Seattle

Route

Depart

Return

Price

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 16/9

11:35-13:57

Nonstop2h 22m

Seattle/Tacoma Intl

Tue 23/9

08:27-10:53

Nonstop2h 26m

£101

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 16/9

09:00-11:20

Nonstop2h 20m

Seattle/Tacoma Intl

Tue 23/9

09:42-11:58

Nonstop2h 16m

£101

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 17/9

07:10-09:25

Nonstop2h 15m

Seattle/Tacoma Intl

Sat 20/9

07:55-10:15

Nonstop2h 20m

£101

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 17/9

07:14-09:45

Nonstop2h 31m

Seattle/Tacoma Intl

Sat 27/9

08:27-10:53

Nonstop2h 26m

£101

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 13/9

11:35-13:57

Nonstop2h 22m

Seattle/Tacoma Intl

Tue 16/9

19:50-22:11

Nonstop2h 21m

£101

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 27/9

11:35-13:57

Nonstop2h 22m

Seattle/Tacoma Intl

Sat 27/9

19:50-22:11

Nonstop2h 21m

£101

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 3/9

14:30-16:42

Nonstop2h 12m

Seattle/Tacoma Intl

Sat 6/9

08:35-10:55

Nonstop2h 20m

£101

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 9/9

07:23-09:45

Nonstop2h 22m

Seattle/Tacoma Intl

Wed 10/9

08:35-10:55

Nonstop2h 20m

£101

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 20/9

11:35-13:57

Nonstop2h 22m

Seattle/Tacoma Intl

Sat 27/9

19:50-22:11

Nonstop2h 21m

£101

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 13/9

11:35-13:57

Nonstop2h 22m

Seattle/Tacoma Intl

Tue 23/9

19:50-22:11

Nonstop2h 21m

£101

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 17 results
1
2

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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 8 August 2025.

Booking 55 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.

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

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.

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 15 August 2025.

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.

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 15 August 2025.

The most flights from SJC to SEA are scheduled on a Thursday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).

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?

    Within the past month, 14 users have taken a look at flights from San Jose to Seattle/Tacoma Intl.

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

    Consider Sun Country Air (100%), Horizon Air (100%) or Aeromexico (99%) when booking your flight. These represent the most reliable airlines when flying from San Jose to Seattle.

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

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

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

    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.

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

    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.

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

    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.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell
SeaTac

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Jose to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Seattle flights
San Francisco to Seattle flights
Los Angeles to Portland flights
San Diego to Portland flights
San Francisco to Portland flights
San Diego to Seattle flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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!

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

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.

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

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.

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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.