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San Clemente

$74+ Cheap flights from Seattle (SEA) to San Clemente, CA

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to San Clemente are usually found in January or September, booked 30 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Seattle to San Clemente

Keep the following information in mind while searching for Seattle to San Clemente flight deals. Data was last updated June 12, 2025.

Round-trip from

$121
(Cheapflightsfares)

One-way from

$74
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$242
From Seattle/Tacoma Intl to San Clemente
Search Deals
One-way flight from Seattle/Tacoma Intl to San Clemente
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Seattle to San Clemente

Cheapest flights from Seattle to San Clemente
Explore the most affordable flight options available from Seattle to San Clemente. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/69:39 pmSEA - LAX
Nonstop2h 49mFrontier
Sun 9/149:17 amLAX - SEA
Nonstop2h 56mFrontier
Deal found 6/12$121
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/13:58 pmSEA - LAX
1 stop5h 25mSpirit Airlines
Wed 7/96:00 amLAX - SEA
1 stop10h 25mSpirit Airlines
Deal found 6/10$130
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Fri 7/410:49 amSEA - LAX
Nonstop2h 49mMultiple Airlines
Wed 7/96:00 amLAX - SEA
1 stop10h 25mMultiple Airlines
Deal found 6/11$138
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/266:45 amSEA - LAX
Nonstop2h 55mUnited Airlines
Tue 7/297:25 pmLAX - SEA
Nonstop2h 51mUnited Airlines
Deal found 6/10$177
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:00 amSEA - LAX
1 stop6h 15mSouthwest
Sat 8/167:00 pmLAX - SEA
1 stop4h 10mSouthwest
Deal found 6/10$182
This Delta deal was found by Cheapflights users on 6/9. 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.
Thu 8/147:55 pmSEA - LAX
Nonstop2h 53mDelta
Sun 8/177:40 pmLAX - SEA
Nonstop2h 45mDelta
Deal found 6/9$197
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 8/154:59 pmSEA - LAX
1 stop5h 01mAlaska Airlines
Sun 8/247:00 amLAX - SEA
1 stop7h 26mAlaska Airlines
Deal found 6/10$216
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/108:00 amSEA - LAX
Nonstop3h 01mAmerican Airlines
Tue 7/1511:05 amLAX - SEA
Nonstop2h 55mAmerican Airlines
Deal found 6/11$228
This Trip.com deal was found by Cheapflights users on 6/10. 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.
Tue 7/11:55 pmSEA - LAX
Nonstop2h 42mHawaiian Airlines
Wed 7/97:00 amLAX - SEA
Nonstop2h 47mHawaiian Airlines
Deal found 6/10$230

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to San Clemente 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 June 12, 2025.
Use the filters below to find and compare flights from Seattle to San Clemente that are best for you.

Fly from

Seattle

Fly to

San Clemente

Route

Depart

Return

Price

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 9/6

9:39 pm-12:28 am

Nonstop2h 49m

Los Angeles

Sun 9/14

9:17 am-12:13 pm

Nonstop2h 56m

$121

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 7/1

3:58 pm-9:23 pm

1 stop5h 25m

Los Angeles

Wed 7/9

6:00 am-4:25 pm

1 stop10h 25m

$122

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 7/4

10:49 am-1:38 pm

Nonstop2h 49m

Los Angeles

Wed 7/9

6:00 am-4:25 pm

1 stop10h 25m

$138

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 7/26

6:45 am-9:40 am

Nonstop2h 55m

Los Angeles

Tue 7/29

7:25 pm-10:16 pm

Nonstop2h 51m

$177

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 8/13

7:00 am-1:15 pm

1 stop6h 15m

Los Angeles

Sat 8/16

7:00 pm-11:10 pm

1 stop4h 10m

$182

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Thu 8/14

10:15 am-1:09 pm

Nonstop2h 54m

Los Angeles

Fri 8/22

9:40 pm-12:21 am

Nonstop2h 41m

$197

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 8/15

4:59 pm-10:00 pm

1 stop5h 01m

Los Angeles

Sun 8/24

7:00 am-2:26 pm

1 stop7h 26m

$216

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 7/1

1:55 pm-4:37 pm

Nonstop2h 42m

Los Angeles

Wed 7/9

7:00 am-9:47 am

Nonstop2h 47m

$230

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Mon 8/25

6:11 pm-9:03 pm

Nonstop2h 52m

$74

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 7/9

5:30 pm-10:50 pm

1 stop5h 20m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results
1
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Best time to book a flight from Seattle to San Clemente

Have a flexible travel schedule? Discover the best time to fly to San Clemente from Seattle 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 Seattle to San Clemente

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to San Clemente. Price data was last updated on June 9, 2025.

The price you pay for your flight from Seattle to San Clemente may vary depending on when you book. For the best chance of a lower fare, look to book 30 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to San Clemente (average of $246). Flying from Seattle to San Clemente in March is currently the most expensive (average of $327). 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 CL3?

Find hourly flight availability from Seattle to San Clemente. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

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

What is the cheapest day to fly from Seattle to San Clemente?

Use this chart to determine the cheapest time to fly round-trip from Seattle to San Clemente. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Seattle to San Clemente

Explore weekly flight availability from Seattle to San Clemente. 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 June 12, 2025.

The most flights from SEA to CL3 are scheduled on a Thursday (139 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (53 on average).

Rainfall in San Clemente by month

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

In terms of precipitation, rainfall in San Clemente ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit San Clemente when rainfall is around 0.0 in.

Temperature in San Clemente by month

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

If weather is an important factor for your trip to San Clemente, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Clemente

Get insights into the airlines that provide service to San Clemente. 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 San Clemente. Reviews last updated June 12, 2025.
To help decide which airline to fly from Seattle to San Clemente, see what other customers have to say about Alaska Airlines, Southwest and Delta. 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
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

ZLO - LAX

I liked flying Alaska. One exception; On the flight from Manzanillo to LA the air conditioner was producing too much cold air that kept me cold during the flight.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

ZLO - LAX

I liked flying Alaska. One exception; On the flight from Manzanillo to LA the air conditioner was producing too much cold air that kept me cold during the flight.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

ZLO - LAX

I liked flying Alaska. One exception; On the flight from Manzanillo to LA the air conditioner was producing too much cold air that kept me cold during the flight.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

ZLO - LAX

I liked flying Alaska. One exception; On the flight from Manzanillo to LA the air conditioner was producing too much cold air that kept me cold during the flight.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

ZLO - LAX

I liked flying Alaska. One exception; On the flight from Manzanillo to LA the air conditioner was producing too much cold air that kept me cold during the flight.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

ZLO - LAX

I liked flying Alaska. One exception; On the flight from Manzanillo to LA the air conditioner was producing too much cold air that kept me cold during the flight.

Related info for your journey

Find useful and relevant information for your journey from Seattle to San Clemente. 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 San Clemente?

    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 San Clemente. 9 airlines have flights from Seattle/Tacoma Intl to San Clemente on a regular basis. Booking flights from Seattle/Tacoma Intl to San Clemente should not be difficult; the airport handles an average of 83 outbound flights to San Clemente per day.

  • How popular is this Seattle to San Clemente flight route?

    This flight path from Seattle/Tacoma Intl to San Clemente was viewed by 251 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 Seattle to San Clemente one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $74. However, be on the lookout for offers from Spirit Airlines and Hawaiian Airlines, as they are both options that can get you from Seattle to San Clemente for a low price.

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

    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 Seattle to San Clemente on time: Horizon Air (100%), EL AL (97%), SkyWest Airlines (97%).

  • What are the cheapest flights from Seattle to San Clemente?

    Looking at all options, your cheapest flight can be booked for $79. While the most popular route (Seattle/Tacoma Intl - Los Angeles) can be booked for $126 on average our data indicates $1,244 when flying from Seattle to San Clemente.

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

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

  • How can I find direct flights from Seattle to San Clemente?

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

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

    Yes. Cheapflights offers flight deals from Seattle to San Clemente 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 San Clemente?

    Currently, January is the cheapest month in which you can book a flight from Seattle to San Clemente (average of $246). Flying from Seattle to San Clemente in March is currently the most expensive (average of $327). 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

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Top 8 airlines flying from Seattle to San Clemente

Discover the top 8 airlines that operate flights from Seattle to San Clemente. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$40Average$134FlexibilityNo cancel feeOn-time65%
FrontierCheapest$44Average$148FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$90Average$264FlexibilityNo cancel feeOn-time85%
DeltaCheapest$117Average$261FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$136Average$292FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$148Average$294FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$157Average$383FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$194Average$351FlexibilityNo cancel feeOn-time63%

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