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Carlsbad

$46+ Cheap flights from Seattle (SEA) to Carlsbad, CA, 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Carlsbad are usually found in January or September, booked 30 days in advance, depart on a Thursday or Friday and return on a Saturday

Cheap flight deals from Seattle to Carlsbad

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$95
(FlightHub)

One-way from

$46
(Cheapflightsfares)

Popular in

November

Cheapest in

January

Average price

$217
Provider with most accurate pricing for Seattle/Tacoma Intl-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Los Angeles flights.
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From Seattle/Tacoma Intl to Carlsbad
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One-way flight from Seattle/Tacoma Intl to Carlsbad
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Highest demand for flights based on searches. 10% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Seattle to Carlsbad

Cheapest flights from Seattle to Carlsbad
Explore the most affordable flight options available from Seattle to Carlsbad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This FlightHub deal was found by Cheapflights users on 3/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2912:30 pmSEA - LAX
1 stop7h 51mSpirit Airlines
Thu 5/13:30 pmLAX - SEA
Nonstop2h 53mSpirit Airlines
Deal found 3/30$95
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2912:30 pmSEA - LAX
1 stop7h 51mMultiple Airlines
Tue 5/65:35 pmLAX - SEA
Nonstop3h 07mMultiple Airlines
Deal found 3/31$97
This Frontier deal was found by Cheapflights users on 3/31. 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.
Sat 5/34:20 pmSEA - LAX
Nonstop2h 45mFrontier
Mon 5/55:35 pmLAX - SEA
Nonstop3h 07mFrontier
Deal found 3/31$99
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/228:00 amSEA - LAX
Nonstop2h 51mAlaska Airlines
Tue 4/295:45 pmLAX - SEA
Nonstop2h 50mAlaska Airlines
Deal found 3/31$177
This Delta deal was found by Cheapflights users on 3/31. 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.
Wed 4/239:25 amSEA - LAX
Nonstop2h 40mDelta
Fri 5/22:10 pmLAX - SEA
Nonstop2h 50mDelta
Deal found 3/31$187
This Southwest deal was found by Cheapflights users on 3/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/291:25 pmSEA - LAX
1 stop6h 50mSouthwest
Sat 5/34:05 pmLAX - SEA
1 stop4h 05mSouthwest
Deal found 3/31$192
This Hawaiian Airlines deal was found by Cheapflights users on 3/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/308:00 amSEA - LAX
Nonstop2h 51mHawaiian Airlines
Sun 5/47:00 amLAX - SEA
Nonstop2h 50mHawaiian Airlines
Deal found 3/31$207
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/37:02 pmSEA - LAX
Nonstop2h 52mAmerican Airlines
Sun 5/47:42 pmLAX - SEA
Nonstop3h 07mAmerican Airlines
Deal found 3/31$209

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Carlsbad 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 31, 2025.
Use the filters below to find and compare flights from Seattle to Carlsbad that are best for you.

Fly from

Seattle

Fly to

Carlsbad

Route

Depart

Return

Price

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 4/29

12:30 pm-8:21 pm

1 stop7h 51m

Los Angeles

Thu 5/1

3:30 pm-6:23 pm

Nonstop2h 53m

$95

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 4/29

12:30 pm-8:21 pm

1 stop7h 51m

Los Angeles

Tue 5/6

5:35 pm-8:42 pm

Nonstop3h 07m

$97

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 5/3

4:20 pm-7:05 pm

Nonstop2h 45m

Los Angeles

Tue 5/6

5:35 pm-8:42 pm

Nonstop3h 07m

$99

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 4/22

8:00 am-10:51 am

Nonstop2h 51m

Los Angeles

Tue 4/29

5:45 pm-8:35 pm

Nonstop2h 50m

$177

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 4/23

5:58 pm-8:45 pm

Nonstop2h 47m

Los Angeles

Sun 4/27

7:00 am-9:58 am

Nonstop2h 58m

$187

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 4/29

1:25 pm-8:15 pm

1 stop6h 50m

Los Angeles

Sat 5/3

4:05 pm-8:10 pm

1 stop4h 05m

$192

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 5/3

7:02 pm-9:54 pm

Nonstop2h 52m

Los Angeles

Sun 5/4

7:42 pm-10:49 pm

Nonstop3h 07m

$209

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 4/29

12:30 pm-8:21 pm

1 stop7h 51m

$46

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 5/6

4:20 pm-7:05 pm

Nonstop2h 45m

$58

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 4/30

8:00 am-10:51 am

Nonstop2h 51m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 16 results
1
2

Best time to book a flight from Seattle to Carlsbad

Have a flexible travel schedule? Discover the best time to fly to Carlsbad 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 Carlsbad

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Carlsbad. Price data was last updated on March 28, 2025.

Booking 30 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Carlsbad. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Carlsbad (average of $246). Flying from Seattle to Carlsbad in June is currently the most expensive (average of $328). 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 C4D?

Find hourly flight availability from Seattle to Carlsbad. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

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

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

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

Travelers seeking maximum savings on their Seattle to Carlsbad 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 Carlsbad

Explore weekly flight availability from Seattle to Carlsbad. 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 31, 2025.

The most flights from SEA to C4D are scheduled on a Monday (124 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (55 on average).

Rainfall in Carlsbad by month

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

In terms of precipitation, rainfall in Carlsbad 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 Carlsbad when rainfall is around 0.0 in.

Temperature in Carlsbad by month

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

If weather is an important factor for your trip to Carlsbad, 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 Carlsbad

Get insights into the airlines that provide service to Carlsbad. 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 Carlsbad. Reviews last updated March 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Seattle to Carlsbad. 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
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Veronica,May 2024

IAD - LAX

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Veronica,May 2024

IAD - LAX

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Veronica,May 2024

IAD - LAX

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Veronica,May 2024

IAD - LAX

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Hawaiian Airlines
7.9
Good
2,344 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Veronica,May 2024

IAD - LAX

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Veronica,May 2024

IAD - LAX

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

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

    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 Carlsbad. 9 airlines have flights from Seattle/Tacoma Intl to Carlsbad on a regular basis. Booking flights from Seattle/Tacoma Intl to Carlsbad should not be difficult; the airport handles an average of 76 outbound flights to Carlsbad per day.

  • How popular is this Seattle to Carlsbad flight route?

    Flights from Seattle/Tacoma Intl to Carlsbad have been viewed 256 times in the past calendar month.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $46. Users have also found prices from $58 and $87 on Frontier and Hawaiian Airlines, respectively.

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

    Before booking your flight to Carlsbad from Seattle, check out the most reliable airlines to get you to your destination on time: Aer Lingus (98%), KLM (97%), Air China( 96%).

  • What are the cheapest flights from Seattle to Carlsbad?

    Looking for the cheapest flight from Seattle to Carlsbad? While on average our users pay $1,102, our data indicates the cheapest price to be $43. The most popular route (Seattle/Tacoma Intl - Los Angeles), is priced around $98.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Seattle to Carlsbad (average of $246). Flying from Seattle to Carlsbad in June is currently the most expensive (average of $328). 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.

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Top 8 airlines flying from Seattle to Carlsbad

Discover the top 8 airlines that operate flights from Seattle to Carlsbad. 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$39Average$141FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$40Average$135FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$78Average$284FlexibilityNo cancel feeOn-time85%
DeltaCheapest$117Average$265FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$136Average$275FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$150Average$320FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$156Average$373FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$157Average$338FlexibilityNo cancel feeOn-time71%
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