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$66+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from California to Seattle

Keep the following information in mind while searching for California to Seattle flight deals. Data was last updated July 31, 2025.

Round-trip from

$104
(CheapOair)

One-way from

$66
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$266

Good round-trip deal

$183 or less

Good one-way deal

$109 or less
From California to Seattle/Tacoma Intl
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One-way flight from California to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 17% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from California to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from California to Seattle/Tacoma Intl.
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Find 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 July 31, 2025.

This CheapOair deal was found by Cheapflights users on 7/29. 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.
Thu 8/2811:48 amLAS - SEA
Nonstop2h 52mFrontier
Thu 9/44:36 pmSEA - LAS
Nonstop2h 39mFrontier
Deal found 7/29$104
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Tue 8/267:04 pmLAS - SEA
Nonstop2h 45mHawaiian Airlines
Tue 9/26:50 pmSEA - LAS
Nonstop2h 38mHawaiian Airlines
Deal found 7/29$122
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Thu 9/41:38 pmLAS - SEA
1 stop6h 46mMultiple Airlines
Sun 9/71:22 pmSEA - LAS
Nonstop2h 42mMultiple Airlines
Deal found 7/29$128
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:14 amSJC - SEA
Nonstop2h 31mDelta
Tue 9/233:15 pmSEA - SJC
Nonstop2h 15mDelta
Deal found 7/31$137
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/39:30 amSJC - SEA
1 stop6h 05mAlaska Airlines
Wed 9/36:47 pmSEA - SJC
Nonstop2h 18mAlaska Airlines
Deal found 7/30$141
This Frontier deal was found by Cheapflights users on 7/31. 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 8/219:40 amONT - SEA
Nonstop2h 45mFrontier
Tue 8/268:42 pmSEA - ONT
Nonstop2h 42mFrontier
Deal found 7/31$141
This CheapOair deal was found by Cheapflights users on 7/28. 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.
Sat 8/91:40 pmLAS - SEA
Nonstop2h 45mSpirit Airlines
Tue 8/125:30 pmSEA - LAS
Nonstop2h 28mSpirit Airlines
Deal found 7/28$142
This Kissandfly.com deal was found by Cheapflights users on 7/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:06 amSJC - SEA
Nonstop2h 23mMultiple Airlines
Tue 9/3012:00 pmSEA - SJC
Nonstop2h 21mMultiple Airlines
Deal found 7/29$142
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/69:45 amLAS - SEA
Nonstop2h 49mAlaska Airlines
Sat 9/63:59 pmSEA - LAS
Nonstop2h 39mAlaska Airlines
Deal found 7/29$143
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/309:55 amLAS - SEA
Nonstop2h 40mDelta
Tue 9/210:05 amSEA - LAS
Nonstop2h 44mDelta
Deal found 7/31$149
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/134:58 pmSJC - SEA
1 stop4h 26mHawaiian Airlines
Sat 9/209:00 amSEA - SJC
Nonstop2h 16mHawaiian Airlines
Deal found 7/30$149
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:00 amSFO - SEA
Nonstop2h 07mAlaska Airlines
Mon 9/155:47 pmSEA - SFO
1 stop5h 42mAlaska Airlines
Deal found 7/31$149

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 July 31, 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 8/28

11:48 am-2:40 pm

Nonstop2h 52m

Seattle/Tacoma Intl

Sun 8/31

3:25 pm-6:10 pm

Nonstop2h 45m

$104

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 8/26

7:04 pm-9:49 pm

Nonstop2h 45m

Seattle/Tacoma Intl

Tue 9/2

6:50 pm-9:28 pm

Nonstop2h 38m

$122

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 9/4

1:38 pm-8:24 pm

1 stop6h 46m

Seattle/Tacoma Intl

Sun 9/7

1:22 pm-4:04 pm

Nonstop2h 42m

$128

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 9/16

7:14 am-9:45 am

Nonstop2h 31m

Seattle/Tacoma Intl

Tue 9/23

3:15 pm-5:30 pm

Nonstop2h 15m

$137

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 9/3

9:30 am-3:35 pm

1 stop6h 05m

Seattle/Tacoma Intl

Wed 9/3

6:47 pm-9:05 pm

Nonstop2h 18m

$141

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Thu 8/21

9:40 am-12:25 pm

Nonstop2h 45m

Seattle/Tacoma Intl

Tue 8/26

8:42 pm-11:24 pm

Nonstop2h 42m

$141

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 8/9

1:40 pm-4:25 pm

Nonstop2h 45m

Seattle/Tacoma Intl

Tue 8/12

5:30 pm-7:58 pm

Nonstop2h 28m

$142

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 9/6

9:45 am-12:34 pm

Nonstop2h 49m

Seattle/Tacoma Intl

Sat 9/6

3:59 pm-6:38 pm

Nonstop2h 39m

$143

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 8/30

9:55 am-12:35 pm

Nonstop2h 40m

Seattle/Tacoma Intl

Sun 9/7

10:05 am-12:49 pm

Nonstop2h 44m

$149

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 9/13

4:58 pm-9:24 pm

1 stop4h 26m

Seattle/Tacoma Intl

Sat 9/20

9:00 am-11:16 am

Nonstop2h 16m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 $238). Flying from California to Seattle in June is currently the most expensive (average of $389). 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 July 31, 2025.

When flying from California to Seattle, 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 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 July 31, 2025.

The most flights from USCA to SEA are scheduled on a Thursday (137 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (51 on average).

How much does it cost to fly round-trip from California to Seattle?

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 July 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from California to Seattle by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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 320 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 to fly from California to Seattle one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $66. Alaska Airlines flights start at $70 while deals on Spirit Airlines start at $72 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, San Francisco - Seattle/Tacoma Intl and Ontario - 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: KLM (99%), China Eastern (97%), WestJet (92%).

  • What are the cheapest flights from California to Seattle?

    On average you can expect to pay $1,061 for a flight from California to Seattle. The cheapest flight overall is $90 while the most popular route, (Los Angeles - Seattle/Tacoma Intl) is currently priced at $111.

  • 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 $238). Flying from California to Seattle in June is currently the most expensive (average of $389). 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
SeaTac
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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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Charlotte to Seattle flights
Milwaukee to Seattle flights
Burbank to Portland flights
Newark to Portland flights
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Midway to Seattle flights
Indianapolis to Seattle flights
Cleveland to Seattle flights
San Antonio to Seattle flights
Dulles Intl to Portland flights

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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$43Average$178FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$64Average$156FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$90Average$267FlexibilityNo cancel feeOn-time85%
DeltaCheapest$109Average$252FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$113Average$387FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$118Average$339FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$133Average$260FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$137Average$267FlexibilityNo cancel feeOn-time63%

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