HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Clemente

$45+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to San Clemente with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Thursday or Friday and return on a Thursday

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 March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$72
(Kiwi.com)

One-way from

$45
(Cheapflightsfares)

Popular in

April

Cheapest in

January

Average price

$217
Provider with most accurate pricing for Seattle/Tacoma Intl-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Los Angeles flights.
Search Deals
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. 8% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Wed 3/268:04 pmSEA - LAX
Nonstop2h 48mMultiple Airlines
Mon 3/314:01 pmLAX - SEA
Nonstop3h 00mMultiple Airlines
Deal found 3/2$72
This Cheapflightsfares deal was found by Cheapflights users on 3/3. 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 3/157:57 pmSEA - LAX
Nonstop2h 48mSpirit Airlines
Tue 3/184:04 pmLAX - SEA
Nonstop2h 58mSpirit Airlines
Deal found 3/3$75
This Frontier deal was found by Cheapflights users on 3/3. 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.
Wed 4/93:06 pmSEA - LAX
Nonstop2h 48mFrontier
Tue 4/154:01 pmLAX - SEA
Nonstop3h 00mFrontier
Deal found 3/3$79
This Delta deal was found by Cheapflights users on 3/2. 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.
Wed 4/232:00 pmSEA - LAX
Nonstop2h 45mDelta
Fri 4/255:51 pmLAX - SEA
Nonstop2h 54mDelta
Deal found 3/2$167
This Alaska Airlines deal was found by Cheapflights users on 3/2. 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.
Tue 4/15:45 pmSEA - LAX
1 stop4h 32mAlaska Airlines
Tue 4/89:00 amLAX - SEA
1 stop7h 02mAlaska Airlines
Deal found 3/2$176
This Southwest deal was found by Cheapflights users on 3/2. 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.
Fri 4/254:30 pmSEA - LAX
1 stop5h 50mSouthwest
Tue 4/294:50 pmLAX - SEA
1 stop4h 10mSouthwest
Deal found 3/2$182

Find flights from Seattle to San Clemente within your budget

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 March 3, 2025.

Fly from

Seattle

Fly to

San Clemente

Route

Depart

Return

Price

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 3/26

8:04 pm-10:52 pm

Nonstop2h 48m

Los Angeles

Mon 3/31

4:01 pm-7:01 pm

Nonstop3h 00m

$72

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 3/15

7:57 pm-10:45 pm

Nonstop2h 48m

Los Angeles

Tue 3/18

4:04 pm-7:02 pm

Nonstop2h 58m

$75

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 4/9

3:06 pm-5:54 pm

Nonstop2h 48m

Los Angeles

Tue 4/15

4:01 pm-7:01 pm

Nonstop3h 00m

$79

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 4/23

9:25 am-12:05 pm

Nonstop2h 40m

Los Angeles

Sun 4/27

7:00 am-9:58 am

Nonstop2h 58m

$167

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 4/23

11:30 am-6:12 pm

1 stop6h 42m

Los Angeles

Sat 4/26

6:00 am-11:32 am

1 stop5h 32m

$172

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 4/25

4:30 pm-10:20 pm

1 stop5h 50m

Los Angeles

Tue 4/29

4:50 pm-9:00 pm

1 stop4h 10m

$182

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 3/28

6:53 pm-9:35 pm

Nonstop2h 42m

$45

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 3/26

9:48 am-3:50 pm

1 stop6h 02m

$46

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 3/25

7:59 pm-10:49 pm

Nonstop2h 50m

$77

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 4/30

8:00 am-12:56 pm

1 stop4h 56m

$88

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 15 results
1
2

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.

Travel insights for flights from Seattle to San Clemente

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

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 February 28, 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 $344). 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 March 3, 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 Tuesday 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 March 3, 2025.

The most flights from SEA to CL3 are scheduled on a Monday (112 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (58 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 March 3, 2025.
To help decide which airline to fly from Seattle to San Clemente, see what other customers have to say about Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,333 reviews
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,710 reviews
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,068 reviews
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Hawaiian Airlines
7.9
Good
2,319 reviews
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,679 reviews
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 79 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 263 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 $45. 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: SAUDIA (96%), Air China (96%), Aer Lingus (95%).

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

    Looking at all options, your cheapest flight can be booked for $40. While the most popular route (Seattle/Tacoma Intl - Los Angeles) can be booked for $70 on average our data indicates $701 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 $344). 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.

Alternative routes for Seattle to San Clemente

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Las Vegas flights
Seattle to Los Angeles flights
Seattle to San Diego flights
Seattle to San Francisco flights
Portland to Los Angeles flights
Seattle to Santa Ana flights
Seattle to Ontario flights
Portland to Las Vegas flights
Seattle to Palm Springs flights
Seattle to San Jose flights
Everett to Las Vegas flights
Seattle to Burbank flights
Everett to Los Angeles flights
Portland to San Diego flights
Portland to Burbank flights
Portland to Ontario flights
Seattle to Sacramento flights
Portland to Santa Ana flights
Seattle to Oakland flights
Portland to Palm Springs flights
Everett to San Francisco flights
Everett to San Diego flights
Seattle to Reno flights
Portland to San Francisco flights
Everett to Santa Ana flights
Portland to San Jose flights
Portland to Oakland flights
Portland to Sacramento flights
Seattle to Fresno flights
Seattle to Long Beach flights
Spokane to San Diego flights
Seattle to Santa Barbara flights
Spokane to Los Angeles flights
Seattle to San Luis Obispo flights
Portland to Reno flights
Spokane to Las Vegas flights
Seattle to Santa Rosa flights
Pasco to Las Vegas flights
Bellingham to Las Vegas flights
Pasco to San Francisco flights
Seattle to Monterey flights
Pasco to Los Angeles flights
Spokane to San Francisco flights
Everett to San Jose flights
Portland to Santa Barbara flights
Portland to San Luis Obispo flights
Spokane to Santa Ana flights
Portland to Long Beach flights
Portland to Fresno flights
Spokane to Ontario flights

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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$138FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$40Average$141FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$104Average$345FlexibilityNo cancel feeOn-time85%
DeltaCheapest$117Average$269FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$135Average$274FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$156Average$333FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$156Average$404FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$157Average$375FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.