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Cheap flights from San Jose, California to Seattle from £59

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SEA
14 Nov — 21 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from San Jose to Seattle/Tacoma Intl are usually found in January or February, booked 60 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 October 2025.

Round-trip from

£103

One-way from

£59

Popular in

December

Cheapest in

January

Average price

£186
Delta
  • Delta
  • 6/11-13/11
  • 1 total stop
  • 9h 10m total
  • San Jose to Seattle
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Delta
  • Delta
  • 10/11
  • Nonstop
  • 2h 25m total
  • San Jose to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£5 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in October 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 15 October 2025.

Thu 6/1111:35SJC - SEA
Nonstop2h 28mDelta
Tue 11/1111:15SEA - SJC
1 stop4h 50mDelta
Deal found 14/10£103
Wed 12/1116:40SJC - SEA
1 stop6h 15mSouthwest
Sat 15/1109:10SEA - SJC
2 stops8h 55mSouthwest
Deal found 14/10£107
Tue 16/1215:11SJC - SEA
1 stop5h 38mAlaska Airlines
Wed 24/1207:05SEA - SJC
Nonstop2h 17mAlaska Airlines
Deal found 14/10£110
Thu 18/1207:15SJC - SEA
Nonstop2h 30mDelta
Thu 25/1209:25SEA - SJC
Nonstop2h 21mDelta
Deal found 14/10£112
Fri 14/1107:05SJC - SEA
Nonstop2h 41mDelta
Sun 16/1123:15SEA - SJC
2 stops13h 10mDelta
Deal found 14/10£113
Fri 7/1107:15SJC - SEA
Nonstop2h 30mDelta
Sat 8/1119:50SEA - SJC
Nonstop2h 18mDelta
Deal found 13/10£118
Thu 6/1108:00SJC - SEA
Nonstop2h 20mSouthwest
Sun 9/1107:10SEA - SJC
Nonstop2h 15mSouthwest
Deal found 13/10£119
Thu 25/1216:05SJC - SEA
1 stop6h 25mSouthwest
Tue 30/1219:55SEA - SJC
1 stop12h 10mSouthwest
Deal found 12/10£122
Mon 17/1114:57SJC - SEA
1 stop3h 51mAlaska Airlines
Tue 18/1105:20SEA - SJC
1 stop3h 35mAlaska Airlines
Deal found 13/10£125
Fri 7/1107:15SJC - SEA
Nonstop2h 30mDelta
Sun 9/1108:35SEA - SJC
Nonstop2h 21mDelta
Deal found 13/10£125
Thu 18/1219:15SJC - SEA
Nonstop2h 15mSouthwest
Tue 23/1207:00SEA - SJC
Nonstop2h 10mSouthwest
Deal found 14/10£127

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 October 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

Fri 12/12

07:40-14:39

1 stop6h 59m

Seattle/Tacoma Intl

Thu 18/12

07:05-09:22

Nonstop2h 17m

£103

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Fri 12/12

06:18-08:45

Nonstop2h 27m

Seattle/Tacoma Intl

Sun 14/12

12:45-17:37

1 stop4h 52m

£103

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 18/11

10:15-18:20

2 stops8h 05m

Seattle/Tacoma Intl

Sun 23/11

20:40-22:50

Nonstop2h 10m

£107

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 9/12

15:11-18:55

1 stop3h 44m

Seattle/Tacoma Intl

Sat 20/12

21:41-23:59

Nonstop2h 18m

£110

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Fri 14/11

07:00-14:44

1 stop7h 44m

Seattle/Tacoma Intl

Sun 16/11

10:25-12:51

Nonstop2h 26m

£118

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Fri 7/11

07:15-09:45

Nonstop2h 30m

Seattle/Tacoma Intl

Mon 10/11

19:12-23:52

1 stop4h 40m

£118

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Thu 6/11

11:15-16:54

1 stop5h 39m

Seattle/Tacoma Intl

Sun 16/11

10:25-12:51

Nonstop2h 26m

£118

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Thu 11/12

06:18-08:45

Nonstop2h 27m

Seattle/Tacoma Intl

Fri 19/12

07:05-09:22

Nonstop2h 17m

£118

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Fri 12/12

06:18-08:45

Nonstop2h 27m

Seattle/Tacoma Intl

Fri 19/12

07:05-09:22

Nonstop2h 17m

£118

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Mon 17/11

14:57-18:48

1 stop3h 51m

Seattle/Tacoma Intl

Tue 18/11

05:20-08:55

1 stop3h 35m

£125

Flights are sorted by cheapest return flights first.

Deals found on 13/10

Showing 1-10 of 24 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 10 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, September is the cheapest month in which you can book a flight from San Jose, California to Seattle (average of £80). Flying from San Jose, California to Seattle in May is currently the most expensive (average of £103). 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 October 2025.

It’s typically best to fly out from San Jose, California to Seattle in the afternoon. Doing so could potentially save you 67% 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 Delta, Alaska Airlines, and Southwest fly from San Jose, California to Seattle in about 2h 27m. The time it takes to get you to your destination can typically vary by up to 5h 38m. 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%), Scandinavian Airlines (96%) or SkyWest Airlines (91%) 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, September is the cheapest month in which you can book a flight from San Jose, California to Seattle (average of £80). Flying from San Jose, California to Seattle in May is currently the most expensive (average of £103). 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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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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