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Cheap flights from Seattle to California from £67

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
21 Jul — 28 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to California

Enter your travel dates to find the best prices.

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 June 2026.

Tue 14/710:34
SEA
-
LAX
Nonstop3h 00m
Frontier
Tue 21/715:04
LAX
-
SEA
Nonstop2h 47m
Frontier
Deal found 18/6£118
Sat 18/711:45
SEA
-
SJC
Nonstop2h 30m
Delta
Sat 15/820:53
SJC
-
SEA
Nonstop2h 26m
Delta
Deal found 20/6£119
Wed 15/721:43
SEA
-
SJC
Nonstop2h 16m
Alaska Airlines
Wed 22/708:20
SJC
-
SEA
Nonstop2h 11m
Alaska Airlines
Deal found 18/6£122
Wed 29/712:45
SEA
-
SJC
1 stop4h 55m
Southwest
Tue 4/806:35
SJC
-
SEA
Nonstop2h 10m
Southwest
Deal found 16/6£123
Sat 11/710:34
SEA
-
LAX
Nonstop3h 00m
Frontier
Tue 21/715:04
LAX
-
SEA
Nonstop2h 47m
Frontier
Deal found 19/6£125
Tue 14/707:03
SEA
-
SFO
Nonstop2h 17m
Alaska Airlines
Wed 22/707:03
SFO
-
SEA
Nonstop2h 10m
Alaska Airlines
Deal found 19/6£125
Wed 15/707:30
SEA
-
SJC
Nonstop2h 15m
Southwest
Tue 21/709:55
SJC
-
SEA
1 stop6h 55m
Southwest
Deal found 16/6£126
Wed 12/814:22
SEA
-
LAX
1 stop9h 49m
Frontier
Wed 19/815:04
LAX
-
SEA
Nonstop2h 47m
Frontier
Deal found 20/6£128
Sat 10/1021:25
SEA
-
SFO
Nonstop2h 16m
Delta
Tue 13/1010:31
SFO
-
SEA
Nonstop2h 24m
Delta
Deal found 18/6£128
Sat 15/807:00
SEA
-
SFO
Nonstop2h 17m
United Airlines
Mon 17/821:07
SFO
-
SEA
Nonstop2h 19m
United Airlines
Deal found 19/6£128
Mon 24/814:40
SEA
-
SJC
Nonstop2h 22m
Delta
Sat 29/814:40
SJC
-
SEA
Nonstop2h 14m
Delta
Deal found 20/6£128
Sat 15/807:20
SEA
-
SFO
Nonstop2h 16m
Delta
Mon 17/806:20
SFO
-
SEA
Nonstop2h 11m
Delta
Deal found 20/6£129

Find 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 June 2026.

Round-trip from

£118

One-way from

£67

Popular in

July

Cheapest in

March

Average price

£215

Good round-trip deal

£198 or less

Good one-way deal

£241 or less
Frontier
  • Frontier
  • 14/7-21/7
  • Nonstop
  • 5h 47m total
  • Seattle to California
Search Deals
Southwest
  • Southwest
  • 8/7
  • 1 total stop
  • 8h 45m total
  • Seattle to California
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to California.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to California.
Search Deals

Cheapflights Fare Finder

 
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 June 2026.
Use the filters below to find and compare flights from Seattle to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Sat 19/9

08:25-10:52

Nonstop2h 27m

San Jose

Sat 19/9

17:45-20:14

Nonstop2h 29m

£119

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 14/7

15:05-22:35

1 stop7h 30m

San Francisco

Wed 22/7

10:50-16:50

1 stop6h 00m

£134

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 29/7

06:15-15:00

1 stop8h 45m

San Francisco

Tue 4/8

15:05-21:00

1 stop5h 55m

£134

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 14/7

06:15-15:00

1 stop8h 45m

San Francisco

Tue 14/7

17:20-00:45

2 stops7h 25m

£134

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Sat 19/9

15:30-20:45

1 stop5h 15m

San Diego

Sat 26/9

12:40-18:44

1 stop6h 04m

£141

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Fri 21/8

19:55-22:49

Nonstop2h 54m

San Diego

Sun 23/8

19:02-22:05

Nonstop3h 03m

£141

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 4/8

08:15-11:05

Nonstop2h 50m

San Diego

Tue 11/8

12:45-20:15

1 stop7h 30m

£141

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 14/7

16:45-23:00

1 stop6h 15m

San Diego

Wed 22/7

13:55-16:50

Nonstop2h 55m

£141

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Fri 18/9

15:54-22:28

1 stop6h 34m

San Diego

Sat 26/9

13:24-18:44

1 stop5h 20m

£142

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Wed 2/9

05:55-11:45

2 stops5h 50m

San Diego

Wed 9/9

16:10-21:45

2 stops5h 35m

£149

Flights are sorted by cheapest return flights first.

Deals found on 17/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to California

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 £166). Flying from Seattle to California in June is currently the most expensive (average of £233). 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 June 2026.

A simple way to save on the total cost of your ticket is to fly from Seattle to California in the afternoon. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight in the evening.

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 June 2026.

The most flights from SEA to USCA are scheduled on a Friday (102 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (47 on average).

How much does it cost for a return flight from Seattle to California?

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

To ensure you get the cheapest price possible for a flight from Seattle to California, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 June 2026.
See what other customers who have flown with Alaska Airlines and Frontier from Seattle to California have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,553 reviews
Check prices

Entertainment

7.0

Comfort

7.8

Overall

7.9

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,553 reviews
Alaska Airlines
7.9
Good
12,553 reviews
Check prices

Entertainment

7.0

Comfort

7.8

Overall

7.9

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Frontier
5.6
Fair
2,876 reviews
Alaska Airlines
7.9
Good
12,553 reviews
Check prices

Entertainment

7.0

Comfort

7.8

Overall

7.9

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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, 4 users have taken a look at flights from Seattle/Tacoma Intl to California.

  • How long is the flight from Seattle to California?

    Airlines like Southwest, Delta, and United Airlines fly from Seattle to California in about 2h 15m. The time it takes to get you to your destination can typically vary by up to 3h. There are 697 mi between Seattle and California. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    £33 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from £55 and £63, respectively.

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

    While some choose either Seattle/Tacoma Intl - Los Angeles Los Angeles or Seattle/Tacoma Intl - Santa Ana J. Wayne/Orange Cnty, Seattle/Tacoma Intl - Las Vegas Harry Reid Intl 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 Air China (98%), Copa Airlines (96%) or Virgin Australia (96%) as they are the most reliable in getting you off to your destination on time.

  • 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 £166). Flying from Seattle to California in June is currently the most expensive (average of £233). 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.

Top 2 airlines flying from Seattle to California

Discover the top 2 airlines 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 June 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£61Average£81FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapest£135Average£211FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

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 California?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to California from Seattle today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to California for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Seattle to California with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

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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