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Cheap flights from San Jose, California to Seattle from £60

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SEA
7 dic — 14 dic1
1 adult
1 adult, Economy, 0 bags

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 7 novembre 2025.

Round-trip from

£108

One-way from

£60

Popular in

December

Cheapest in

January

Average price

£214
Alaska Airlines
  • Alaska Airlines
  • 1/2-1/2
  • 1 total stop
  • 8h 16m total
  • San Jose to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 10/2
  • 1 total stop
  • 4h 44m total
  • San Jose to Seattle
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Highest demand for flights based on searches. 2% potential increase in price (£3 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from San Jose to Seattle

Enter your travel dates to find the best prices.

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 7 novembre 2025.

ven 5/1212:25SJC - SEA
1 stop6h 15mSouthwest
ven 12/1205:35SEA - SJC
2 stops9h 50mSouthwest
Deal found 5/11£108
mer 3/1214:00SJC - SEA
2 stops7h 50mSouthwest
mer 10/1207:05SEA - SJC
2 stops6h 15mSouthwest
Deal found 6/11£112
ven 12/1212:10SJC - SEA
Nonstop2h 20mSouthwest
lun 15/1208:10SEA - SJC
Nonstop2h 15mSouthwest
Deal found 5/11£120
mer 17/1207:00SJC - SEA
2 stops13h 44mDelta
gio 1/109:25SEA - SJC
Nonstop2h 21mDelta
Deal found 5/11£123
mer 17/1215:11SJC - SEA
1 stop3h 44mAlaska Airlines
lun 5/105:20SEA - SJC
1 stop3h 38mAlaska Airlines
Deal found 4/11£127
gio 27/1113:21SJC - SEA
Nonstop2h 20mAlaska Airlines
lun 8/1207:55SEA - SJC
Nonstop2h 19mAlaska Airlines
Deal found 5/11£128
gio 18/1205:45SJC - SEA
1 stop7h 12mDelta
mer 7/107:25SEA - SJC
2 stops11h 47mDelta
Deal found 5/11£134
gio 18/1214:25SJC - SEA
Nonstop2h 24mDelta
lun 5/115:25SEA - SJC
Nonstop2h 15mDelta
Deal found 5/11£135
gio 4/1214:25SJC - SEA
Nonstop2h 25mDelta
gio 4/1219:50SEA - SJC
Nonstop2h 23mDelta
Deal found 6/11£137
mar 2/1216:35SJC - SEA
Nonstop2h 25mDelta
lun 8/1223:15SEA - SJC
2 stops14h 01mDelta
Deal found 5/11£138
gio 4/1212:25SJC - SEA
1 stop6h 15mSouthwest
dom 7/1205:35SEA - SJC
2 stops9h 50mSouthwest
Deal found 5/11£139

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 7 novembre 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

ven 12/12

06:18-08:45

Nonstop2h 27m

Seattle/Tacoma Intl

mar 16/12

12:45-16:51

1 stop4h 06m

£120

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

gio 27/11

13:21-15:41

Nonstop2h 20m

Seattle/Tacoma Intl

ven 5/12

16:45-18:55

Nonstop2h 10m

£128

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

sab 20/12

19:07-21:26

Nonstop2h 19m

Seattle/Tacoma Intl

mer 7/1

11:35-16:37

1 stop5h 02m

£162

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

ven 5/12

10:15-18:20

2 stops8h 05m

Seattle/Tacoma Intl

mar 9/12

12:10-19:30

2 stops7h 20m

£170

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

ven 12/12

09:04-17:10

1 stop8h 06m

Seattle/Tacoma Intl

dom 14/12

05:25-12:31

1 stop7h 06m

£177

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

gio 4/12

16:50-00:21

1 stop7h 31m

Seattle/Tacoma Intl

dom 7/12

07:10-13:16

1 stop6h 06m

£177

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

gio 20/11

14:10-16:30

Nonstop2h 20m

Seattle/Tacoma Intl

mer 3/12

08:10-10:25

Nonstop2h 15m

£183

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

lun 22/12

06:15-08:41

Nonstop2h 26m

Seattle/Tacoma Intl

gio 25/12

07:05-09:22

Nonstop2h 17m

£185

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

mar 23/12

17:57-20:14

Nonstop2h 17m

Seattle/Tacoma Intl

mer 24/12

05:20-08:58

1 stop3h 38m

£185

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

mer 31/12

16:40-22:55

1 stop6h 15m

Seattle/Tacoma Intl

dom 4/1

07:00-09:10

Nonstop2h 10m

£189

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 23 results
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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, California 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 31 October 2025.

The price you pay for your flight from San Jose, California to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from San Jose, California to Seattle (average of £63). Flying from San Jose, California to Seattle in May is currently the most expensive (average of £105). 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 7 novembre 2025.

It’s typically best to fly out from San Jose, California to Seattle in the afternoon. Doing so could potentially save you 84% on the flight price compared to flying in the morning, which is usually more expensive.

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, California to Seattle flight route?

    The San Jose to Seattle/Tacoma Intl flight path was viewed by 14 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from San Jose, California to Seattle?

    Airlines like Southwest and Alaska Airlines fly from San Jose, California to Seattle in about 6h 15m. The time it takes to get you to your destination can typically vary by up to 45m. Airlines will cover a distance of 697 mi. This flight may include one or multiple stops.

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

    Consider Aeromexico (97%), WestJet (94%) or Scandinavian Airlines (93%) when booking your flight. These represent the most reliable airlines when flying from San Jose, California 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, California to Seattle?

    Currently, January is the cheapest month in which you can book a flight from San Jose, California to Seattle (average of £63). Flying from San Jose, California to Seattle in May is currently the most expensive (average of £105). 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

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Alternative routes for San Jose to Seattle

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

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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.

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