Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Seattle to San Jose from £55

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 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJC
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Seattle to San Jose

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to San Jose (SJC). 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 21 February 2025.

Round-trip from

£109

One-way from

£55

Popular in

December

Cheapest in

August

Average price

£222
Delta
  • Delta
  • 13/3-15/3
  • Nonstop
  • 4h 40m total
  • Seattle to San Jose
Search Deals
Delta
  • Delta
  • 13/3
  • 1 total stop
  • 7h 40m total
  • Seattle to San Jose
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Seattle to San Jose

Cheapest flights from Seattle to San Jose
Explore the most affordable flight options available from Seattle to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Thu 13/307:10SEA - SJC
1 stop5h 21mDelta
Mon 24/317:10SJC - SEA
1 stop6h 59mDelta
Deal found 20/2£109
Tue 1/405:45SEA - SJC
2 stops6h 40mSouthwest
Fri 4/417:40SJC - SEA
1 stop6h 50mSouthwest
Deal found 19/2£112
Wed 12/312:00SEA - SJC
Nonstop2h 11mHawaiian Airlines
Wed 12/320:46SJC - SEA
Nonstop2h 14mHawaiian Airlines
Deal found 20/2£135
Sat 23/807:00SEA - SJC
Nonstop2h 12mAlaska Airlines
Sat 23/811:55SJC - SEA
Nonstop2h 11mAlaska Airlines
Deal found 19/2£167
Wed 16/414:30SEA - SJC
2 stops23h 39mMultiple Airlines
Tue 22/406:15SJC - SEA
2 stops13h 46mMultiple Airlines
Deal found 20/2£171
Wed 2/419:17SEA - SJC
1 stop16h 25mUnited Airlines
Mon 7/418:27SJC - SEA
1 stop15h 20mUnited Airlines
Deal found 20/2£337

Find flights from Seattle to San Jose within your budget

Customise your flight search to find flights from Seattle to San Jose 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 21 February 2025.

Fly from

Seattle

Fly to

San Jose

Route

Depart

Return

Price

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Thu 13/3

05:30-12:18

1 stop6h 48m

San Jose

Wed 26/3

07:00-12:36

1 stop5h 36m

£109

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Tue 1/4

05:45-12:25

2 stops6h 40m

San Jose

Fri 4/4

17:40-00:30

1 stop6h 50m

£112

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Sat 8/3

09:51-12:05

Nonstop2h 14m

San Jose

Tue 18/3

20:46-23:00

Nonstop2h 14m

£132

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Wed 12/3

12:00-14:11

Nonstop2h 11m

San Jose

Wed 12/3

20:46-23:00

Nonstop2h 14m

£135

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Wed 16/4

14:30-14:09

2 stops23h 39m

San Jose

Tue 22/4

06:15-20:01

2 stops13h 46m

£171

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Wed 2/4

19:17-11:42

1 stop16h 25m

San Jose

Mon 7/4

18:27-09:47

1 stop15h 20m

£337

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Thu 13/3

07:10-14:50

1 stop7h 40m

£55

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Tue 8/4

10:10-18:10

2 stops8h 00m

£59

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Wed 21/5

20:30-22:38

Nonstop2h 08m

£63

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Mon 21/4

21:15-13:11

1 stop15h 56m

£93

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 11 results
1
2

Best time to book a flight from Seattle to San Jose

Have a flexible travel schedule? Discover the best time to fly to San Jose from Seattle 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.

Travel insights for flights from Seattle to San Jose

Get recent, data-driven insights about flights from Seattle to San Jose including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Seattle to San Jose. Price data was last updated on 14 February 2025.

The best time to book flights from Seattle to San Jose is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Seattle to San Jose (average of £505). Flying from Seattle to San Jose in July is currently the most expensive (average of £768). 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 SEA to SJC?

Find hourly flight availability from Seattle to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

When flying from Seattle to San Jose, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Seattle to San Jose

Explore weekly flight availability from Seattle to San Jose. 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 21 February 2025.

The most flights from SEA to SJC are scheduled on a Wednesday (44 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in San Jose by month

Plan your trip to San Jose by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Jose ranges from 0.0 - 79.0 inches per month. January is typically the wettest month, when rainfall can reach 79.0 mm. July is typically the driest time to visit San Jose when rainfall is around 0.0 mm.

Temperature in San Jose by month

Plan your trip to San Jose by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Jose, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.0 C).

Reviews of airlines servicing San Jose

Get insights into the airlines that provide service to San Jose. 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 San Jose. Reviews last updated 21 February 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Seattle to San Jose. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
4,406 reviews
Check prices

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very Good
4,406 reviews
Southwest
8.1
Very Good
4,406 reviews
Check prices

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very Good
9,696 reviews
Southwest
8.1
Very Good
4,406 reviews
Check prices

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very Good
8,217 reviews
Southwest
8.1
Very Good
4,406 reviews
Check prices

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very Good
4,406 reviews
Check prices

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,761 reviews
Southwest
8.1
Very Good
4,406 reviews
Check prices

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Seattle to San Jose. 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 Seattle to San Jose flight route?

    This flight path from Seattle/Tacoma Intl to San Jose was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Delta, at £109, was found to be the cheapest airline from Seattle to San Jose.Alternate airlines flying return to your destination include Southwest and Alaska Airlines. Delta is currently priced 43% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as £55. However, be on the lookout for offers from Southwest and Hawaiian Airlines, as they are both options that can get you from Seattle to San Jose for a low price.

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

    Consider Virgin Atlantic (96%), Air France (95%) or China Eastern (95%) when booking your flight. These represent the most reliable airlines when flying from Seattle to San Jose.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to San Jose 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 Seattle to San Jose?

    Currently, November is the cheapest month in which you can book a flight from Seattle to San Jose (average of £505). Flying from Seattle to San Jose in July is currently the most expensive (average of £768). 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

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.

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 Seattle to San Jose?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to San Jose. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to San Jose.

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

Certainly. Search results for flights to San Jose from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Jose from Seattle today and book when prices fit your budget.

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.