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$40+ Cheap flights from California to Seattle (SEA)

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from California to Seattle

Cheapest flights from California to Seattle
Explore the most affordable flight options available from California to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This CheapOair deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:36 pmLAX - SEA
Nonstop3h 06mFrontier
Sun 1/41:25 pmSEA - LAX
1 stop26h 49mFrontier
Deal found 12/16$122
This Super.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:36 pmLAX - SEA
Nonstop3h 06mFrontier
Thu 1/155:43 pmSEA - LAX
Nonstop2h 48mFrontier
Deal found 12/15$137
This Frontier deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:36 pmLAX - SEA
Nonstop3h 06mFrontier
Thu 1/810:19 amSEA - LAX
Nonstop2h 44mFrontier
Deal found 12/16$153
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/221:11 pmLAX - SEA
1 stop21h 00mFrontier
Thu 1/16:00 amSEA - LAX
Nonstop2h 46mFrontier
Deal found 12/15$154
This Frontier deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:36 pmLAX - SEA
Nonstop3h 06mFrontier
Fri 1/95:38 pmSEA - LAX
Nonstop2h 46mFrontier
Deal found 12/16$158
This Frontier deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:56 amLAS - SEA
1 stop4h 58mFrontier
Thu 1/87:23 pmSEA - LAS
Nonstop2h 37mFrontier
Deal found 12/17$160
This Frontier deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:56 amLAS - SEA
1 stop4h 58mFrontier
Tue 1/67:13 pmSEA - LAS
Nonstop2h 37mFrontier
Deal found 12/17$161
This Expedia deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:17 pmONT - SEA
1 stop19h 34mFrontier
Mon 1/511:06 amSEA - ONT
Nonstop2h 36mFrontier
Deal found 12/15$161
This CheapOair deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:00 pmLAS - SEA
1 stop18h 54mFrontier
Thu 1/89:23 pmSEA - LAS
Nonstop2h 36mFrontier
Deal found 12/16$162
This Frontier deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:45 pmONT - SEA
Nonstop2h 53mFrontier
Mon 1/511:06 amSEA - ONT
Nonstop2h 36mFrontier
Deal found 12/15$162
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/221:11 pmLAX - SEA
1 stop21h 00mFrontier
Thu 1/155:43 pmSEA - LAX
Nonstop2h 48mFrontier
Deal found 12/15$164
This Expedia deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:09 pmLAX - SEA
1 stop20h 45mFrontier
Thu 1/810:19 amSEA - LAX
Nonstop2h 44mFrontier
Deal found 12/17$165

Find flight deals from California to Seattle

Keep the following information in mind while searching for California to Seattle flight deals. Data was last updated December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$55
(Kiwi.com)

One-way from

$40
(Priceline)

Popular in

December

Cheapest in

January

Average price

$272

Good round-trip deal

$119 or less

Good one-way deal

$102 or less
Provider with most accurate pricing for Los Angeles-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Seattle/Tacoma Intl flights.
Search Deals
From California to Seattle/Tacoma Intl
Search Deals
One-way flight from California to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from California to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from California to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from California 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 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from California to Seattle that are best for you.

Fly from

California

Fly to

Seattle

Route

Depart

Return

Price

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 1/8

6:15 am-9:04 am

Nonstop2h 49m

Seattle/Tacoma Intl

Sun 1/11

9:23 pm-11:59 pm

Nonstop2h 36m

$55

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 2/26

4:33 pm-7:25 pm

Nonstop2h 52m

Seattle/Tacoma Intl

Sun 3/1

9:23 pm-11:57 pm

Nonstop2h 34m

$56

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 2/11

12:05 pm-2:57 pm

Nonstop2h 52m

Seattle/Tacoma Intl

Sun 2/15

9:23 pm-11:57 pm

Nonstop2h 34m

$78

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 2/12

11:05 am-1:59 pm

Nonstop2h 54m

Seattle/Tacoma Intl

Mon 2/16

7:20 am-9:56 am

Nonstop2h 36m

$97

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 1/9

4:51 pm-7:47 pm

Nonstop2h 56m

Seattle/Tacoma Intl

Sun 1/11

10:19 am-4:43 pm

1 stop6h 24m

$99

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 2/19

9:12 am-8:08 pm

1 stop10h 56m

Seattle/Tacoma Intl

Sun 2/22

10:03 am-12:58 pm

Nonstop2h 55m

$104

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 1/15

7:50 am-1:30 pm

1 stop5h 40m

Seattle/Tacoma Intl

Mon 1/19

6:20 am-8:50 am

Nonstop2h 30m

$107

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 1/13

11:00 am-1:54 pm

Nonstop2h 54m

Seattle/Tacoma Intl

Tue 2/3

12:25 pm-3:00 pm

Nonstop2h 35m

$107

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 1/14

5:40 pm-8:32 pm

Nonstop2h 52m

Seattle/Tacoma Intl

Wed 1/21

7:20 am-9:55 am

Nonstop2h 35m

$107

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 1/7

10:07 am-1:01 pm

Nonstop2h 54m

Seattle/Tacoma Intl

Wed 1/7

4:43 pm-7:13 pm

Nonstop2h 30m

$111

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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

Have a flexible travel schedule? Discover the best time to fly to Seattle from California with our price prediction graph.
Estimated round-trip 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 California to Seattle

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

Currently, January is the cheapest month in which you can book a flight from California to Seattle (average of $38). Flying from California to Seattle in July is currently the most expensive (average of $131). 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 CA to SEA?

Find hourly flight availability from California 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 December 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 11% on flights from California to Seattle by exploring options for tickets in the afternoon.

What is the cheapest day to fly from California to Seattle?

Use this chart to determine the cheapest time to fly round-trip from California to Seattle. Price data was last updated on December 13, 2025.

Travelers seeking maximum savings on their California to Seattle flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from California to Seattle

Explore weekly flight availability from California 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 December 18, 2025.

The most flights from USCA to SEA are scheduled on a Tuesday (102 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Related info for your journey

Find useful and relevant information for your journey from California to Seattle. 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 into for flights to Seattle from California?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from California. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How popular is this California to Seattle flight route?

    The California to Seattle/Tacoma Intl flight path was viewed by 336 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 California to Seattle?

    Airlines like Frontier, Delta, and Alaska Airlines fly from California to Seattle in about 2h 49m. The time it takes to get you to your destination is usually consistent. The distance from California to Seattle is about 866 mi. Generally, flights for this route are nonstop.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $34. Frontier flights start at $37 while deals on Southwest start at $52 one-way.

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

    The most popular flight routes from California to Seattle are Los Angeles - Seattle/Tacoma Intl, Ontario - Seattle/Tacoma Intl and San Francisco - Seattle/Tacoma Intl.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from California to Seattle on time: Air New Zealand (96%), Virgin Australia (96%), Avianca (96%).

  • What are the cheapest flights from California to Seattle?

    On average you can expect to pay $915 for a flight from California to Seattle. The cheapest flight overall is $72 while the most popular route, (Los Angeles - Seattle/Tacoma Intl) is currently priced at $77.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from California to Seattle (average of $38). Flying from California to Seattle in July is currently the most expensive (average of $131). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for California to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from California to Seattle

Discover the top 8 airlines that operate flights from California to Seattle. 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 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$44Average$205FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$64Average$175FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$98Average$265FlexibilityNo cancel feeOn-time85%
DeltaCheapest$110Average$243FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$117Average$268FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$124Average$285FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$135Average$276FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$177Average$389FlexibilityNo cancel feeOn-time71%

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