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Cheap flights from San Jose 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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SEA
25 Feb — 4 Mar1
1 adult

The best prices from San Jose to Seattle/Tacoma Intl are usually found in January or October, booked 60 days in advance, depart on a Tuesday or Thursday 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 20 February 2025.

Round-trip from

£109

One-way from

£59

Popular in

August

Cheapest in

January

Average price

£192
Alaska Airlines
  • Alaska Airlines
  • 13/3-21/3
  • Nonstop
  • 4h 23m total
  • San Jose to Seattle
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Southwest
  • Southwest
  • 26/4
  • 2 total stops
  • 8h 35m total
  • San Jose to Seattle
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£2 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 February 2025
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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 20 February 2025.

Thu 13/317:11SJC - SEA
1 stop6h 02mDelta
Mon 17/311:50SEA - SJC
1 stop7h 09mDelta
Deal found 20/2£109
Fri 14/306:40SJC - SEA
Nonstop2h 15mSouthwest
Mon 17/307:00SEA - SJC
Nonstop2h 05mSouthwest
Deal found 20/2£117
Wed 12/310:00SJC - SEA
Nonstop2h 12mHawaiian Airlines
Thu 13/312:00SEA - SJC
Nonstop2h 11mHawaiian Airlines
Deal found 19/2£129
Tue 18/309:03SJC - SEA
1 stop7h 51mAlaska Airlines
Tue 25/313:56SEA - SJC
1 stop6h 21mAlaska Airlines
Deal found 19/2£140

Find flights from San Jose to Seattle within your budget

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 20 February 2025.

Fly from

San Jose

Fly to

Seattle

Route

Depart

Return

Price

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Thu 13/3

17:11-23:13

1 stop6h 02m

Seattle/Tacoma Intl

Mon 17/3

11:50-18:59

1 stop7h 09m

£109

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Fri 14/3

06:40-08:55

Nonstop2h 15m

Seattle/Tacoma Intl

Mon 17/3

07:00-09:05

Nonstop2h 05m

£117

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 12/3

10:00-12:12

Nonstop2h 12m

Seattle/Tacoma Intl

Thu 13/3

12:00-14:11

Nonstop2h 11m

£129

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 18/3

06:15-11:54

1 stop5h 39m

Seattle/Tacoma Intl

Wed 26/3

13:56-20:17

1 stop6h 21m

£140

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 26/4

12:50-21:25

2 stops8h 35m

£59

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 21/5

21:09-23:23

Nonstop2h 14m

£63

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Thu 1/5

06:29-08:55

Nonstop2h 26m

£71

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Fri 18/4

16:52-23:59

1 stop7h 07m

£117

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 25/3

08:30-00:55

2 stops16h 25m

£209

Flights are sorted by cheapest return flights first.

Deals found on 19/2

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.

Travel insights for flights from San Jose to Seattle

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

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 14 February 2025.

Booking 60 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 20 February 2025.

It’s typically best to fly out from San Jose to Seattle in the morning. Doing so could potentially save you 60% on the flight price compared to flying at midday, 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 20 February 2025.

The most flights from SJC to SEA are scheduled on a Wednesday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in Seattle by month

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

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.

Temperature in Seattle by month

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

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).

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 20 February 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from San Jose to Seattle have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
4,411 reviews
Check prices

Entertainment

7.6

Crew

8.7

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Southwest
8.1
Very Good
4,411 reviews
Southwest
8.1
Very Good
4,411 reviews
Check prices

Entertainment

7.6

Crew

8.7

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Alaska Airlines
8.0
Very Good
9,691 reviews
Southwest
8.1
Very Good
4,411 reviews
Check prices

Entertainment

7.6

Crew

8.7

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Delta
8.0
Very Good
8,236 reviews
Southwest
8.1
Very Good
4,411 reviews
Check prices

Entertainment

7.6

Crew

8.7

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very Good
4,411 reviews
Check prices

Entertainment

7.6

Crew

8.7

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

United Airlines
7.4
Good
8,771 reviews
Southwest
8.1
Very Good
4,411 reviews
Check prices

Entertainment

7.6

Crew

8.7

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early 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?

    Within the past month, 15 users have taken a look at flights from San Jose to Seattle/Tacoma Intl.

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

    Currently priced at £109, Alaska Airlines will fly you from San Jose to Seattle and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Delta - these airlines can fly you to your destination from £117 and £125, respectively. These flights start at 45% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at £59. Alaska Airlines flights start at £63 while deals on Delta start at £79 one-way.

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

    Consider Horizon Air (100%), Aeromexico (99%) or China Eastern (98%) 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 San Jose?

Book flights to San Jose if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell

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Alternative routes for San Jose to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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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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