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Cheap flights from Seattle to California from £39

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 — LAX
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Seattle to California

Keep the following information in mind while searching for Seattle to California flight deals. Data was last updated 21 February 2025.

Round-trip from

£67

One-way from

£39

Popular in

April

Cheapest in

January

Average price

£173

Good round-trip deal

£81 or less

Good one-way deal

£43 or less
Frontier
  • Frontier
  • 1/4-15/4
  • Nonstop
  • 5h 48m total
  • Seattle to California
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Delta
  • Delta
  • 13/3
  • Nonstop
  • 2h 53m total
  • Seattle to California
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£16 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to California.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to California.
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Find flight deals from Seattle to California

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

Tue 1/415:06SEA - LAX
Nonstop2h 48mFrontier
Tue 15/416:01LAX - SEA
Nonstop3h 00mFrontier
Deal found 20/2£67
Tue 1/420:04SEA - LAS
1 stop10h 57mSpirit Airlines
Tue 8/406:00LAS - SEA
Nonstop2h 43mSpirit Airlines
Deal found 20/2£69
Fri 14/313:59SEA - ONT
Nonstop2h 43mDelta
Sun 16/305:40ONT - SEA
Nonstop2h 57mDelta
Deal found 21/2£77
Fri 14/307:10SEA - LAX
Nonstop2h 55mDelta
Sun 16/307:00LAX - SEA
Nonstop2h 58mDelta
Deal found 21/2£77
Tue 1/409:48SEA - LAX
1 stop5h 00mSpirit Airlines
Tue 15/412:49LAX - SEA
1 stop22h 46mSpirit Airlines
Deal found 20/2£93
Fri 21/306:15SEA - SFO
Nonstop2h 18mDelta
Sun 23/305:40SFO - SEA
1 stop6h 45mDelta
Deal found 20/2£99
Tue 1/416:16SEA - SFO
1 stop17h 32mFrontier
Wed 2/415:58SFO - SEA
1 stop17h 37mFrontier
Deal found 20/2£100
Thu 13/308:35SEA - SJC
Nonstop2h 21mDelta
Mon 17/311:36SJC - SEA
Nonstop2h 17mDelta
Deal found 21/2£109
Thu 13/305:00SEA - SFO
Nonstop2h 17mUnited Airlines
Fri 21/306:00SFO - SEA
Nonstop2h 27mUnited Airlines
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
Tue 22/415:55SEA - ONT
1 stop5h 45mSouthwest
Fri 25/405:45ONT - SEA
1 stop4h 30mSouthwest
Deal found 19/2£116
Wed 2/405:15SEA - LAX
1 stop6h 05mSouthwest
Sat 5/418:25LAX - SEA
1 stop4h 10mSouthwest
Deal found 21/2£116

Find flights from Seattle to California within your budget

Customise your flight search to find flights from Seattle to California 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

California

Route

Depart

Return

Price

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 1/4

15:06-17:54

Nonstop2h 48m

Los Angeles

Tue 15/4

16:01-19:01

Nonstop3h 00m

£67

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 1/4

20:04-07:01

1 stop10h 57m

Las Vegas Harry Reid Intl

Tue 8/4

06:00-08:43

Nonstop2h 43m

£69

SeattleOntario

SEA - ONT

SEAONT

Seattle/Tacoma Intl

Fri 14/3

13:59-16:42

Nonstop2h 43m

Ontario

Sun 16/3

05:40-08:37

Nonstop2h 57m

£77

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 14/3

07:10-10:05

Nonstop2h 55m

Los Angeles

Sun 16/3

07:00-09:58

Nonstop2h 58m

£77

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 1/4

09:48-14:48

1 stop5h 00m

Los Angeles

Tue 15/4

12:49-11:35

1 stop22h 46m

£93

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 21/3

06:15-08:33

Nonstop2h 18m

San Francisco

Sun 23/3

05:40-12:25

1 stop6h 45m

£99

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 1/4

16:16-09:48

1 stop17h 32m

San Francisco

Wed 2/4

15:58-09:35

1 stop17h 37m

£100

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Thu 13/3

15:30-17:45

Nonstop2h 15m

San Jose

Sat 15/3

17:50-20:15

Nonstop2h 25m

£109

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 13/3

05:00-07:17

Nonstop2h 17m

San Francisco

Fri 21/3

06:00-08:27

Nonstop2h 27m

£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

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 60 results
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Best time to book a flight from Seattle to California

Have a flexible travel schedule? Discover the best time to fly to California 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 California

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

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

Currently, January is the cheapest month in which you can book a flight from Seattle to California (average of £575). Flying from Seattle to California in July is currently the most expensive (average of £811). 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 CA?

Find hourly flight availability from Seattle to California. 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to California as you normally would.

Weekly flight availability from Seattle to California

Explore weekly flight availability from Seattle to California. 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 USCA are scheduled on a Thursday (123 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (38 on average).

Rainfall in California by month

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

In terms of precipitation, rainfall in California ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit California when rainfall is around 0.0 mm.

Temperature in California by month

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

If weather is an important factor for your trip to California, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. 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 California. Reviews last updated 21 February 2025.
Read through reviews of airlines operating flights from Seattle to California, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
4,401 reviews
Check prices

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very Good
4,401 reviews
Southwest
8.1
Very Good
4,401 reviews
Check prices

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very Good
9,697 reviews
Southwest
8.1
Very Good
4,401 reviews
Check prices

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very Good
8,213 reviews
Southwest
8.1
Very Good
4,401 reviews
Check prices

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,316 reviews
Southwest
8.1
Very Good
4,401 reviews
Check prices

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,759 reviews
Southwest
8.1
Very Good
4,401 reviews
Check prices

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Seattle to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to California?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to California.

  • How popular is this Seattle to California flight route?

    Within the past month, 18 users have taken a look at flights from Seattle/Tacoma Intl to California.

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

    £39 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and Spirit Airlines, with prices starting from £47 and £52, respectively.

  • What are the most popular routes from Seattle to California?

    While some choose either Seattle/Tacoma Intl - Oakland or Seattle/Tacoma Intl - Burbank Bob Hope, Seattle/Tacoma Intl - Santa Ana J. Wayne/Orange Cnty is the most popular route from Seattle to California.

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

    No one likes to see their flight delayed. When booking a flight from Seattle to California consider choosing Horizon Air (100%), KLM (94%) or ITA Airways (93%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to California?

    Looking for the cheapest flight from Seattle to California? While on average our users pay £170, our data indicates the cheapest price to be £39. The most popular route (Seattle/Tacoma Intl - Santa Ana J. Wayne/Orange Cnty), is priced around £107.

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

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

  • How can I find direct flights from Seattle to California?

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

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

    Yes. Cheapflights offers flight deals from Seattle to California 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 California?

    Currently, January is the cheapest month in which you can book a flight from Seattle to California (average of £575). Flying from Seattle to California in July is currently the most expensive (average of £811). 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

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Top airline flying from Seattle to California

Discover the top airline that operate flights from Seattle to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest£88Average£180FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

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Yes! Start tracking prices for Seattle to California 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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