$84+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
Jul 4 — Jul 111
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Carlsbad 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.Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Carlsbad are usually found in March or January, booked 65 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Seattle to Carlsbad
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to CarlsbadExplore 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 June 4, 2026.
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 June 4, 2026.
This Frontier deal was found by Cheapflights users on 6/1. 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 10/1411:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Sat 10/173:16 pm
LAX
- SEA
Nonstop3h 10m
Frontier
Deal found 6/1![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Thu 9/1711:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Sun 9/203:16 pm
LAX
- SEA
Nonstop3h 10m
Frontier
Deal found 6/2![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 6/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Sat 9/2610:07 am
LAX
- SEA
Nonstop2h 53m
Frontier
Deal found 6/2![Frontier logo]()
$122
This Frontier deal was found by Cheapflights users on 6/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Tue 9/2210:07 am
LAX
- SEA
Nonstop2h 53m
Frontier
Deal found 6/2![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Fri 9/1111:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Thu 9/173:16 pm
LAX
- SEA
Nonstop3h 10m
Frontier
Deal found 6/2![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 6/1. 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.
Sat 9/122:15 pm
SEA
- LAX
Nonstop2h 48m
Frontier
Wed 9/1610:07 am
LAX
- SEA
Nonstop2h 53m
Frontier
Deal found 6/1![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 6/1. 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 10/2011:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Wed 10/213:16 pm
LAX
- SEA
Nonstop3h 10m
Frontier
Deal found 6/1![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Tue 9/811:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Sat 9/1210:07 am
LAX
- SEA
Nonstop2h 53m
Frontier
Deal found 6/2![Frontier logo]()
$131
This Priceline deal was found by Cheapflights users on 6/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Tue 11/173:16 pm
LAX
- SEA
Nonstop3h 10m
Frontier
Deal found 6/3![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Wed 10/283:16 pm
LAX
- SEA
Nonstop3h 10m
Frontier
Deal found 6/3![Frontier logo]()
$134
This Super.com deal was found by Cheapflights users on 6/4. 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.
Sat 8/2211:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Mon 8/243:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Deal found 6/4![Frontier logo]()
$137
Best flights from Seattle to CarlsbadDiscover carefully curated flight deals from Seattle to Carlsbad that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 4, 2026.
Discover carefully curated flight deals from Seattle to Carlsbad that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 4, 2026.
This Delta deal was found by Cheapflights users on 5/31. 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 8/267:55 pm
SEA
- LAX
Nonstop2h 50m
Delta
Sun 8/305:51 pm
LAX
- SEA
Nonstop2h 39m
Delta
Deal found 5/31![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 5/31. 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.
Sat 8/222:45 pm
SEA
- LAX
Nonstop2h 47m
Alaska Airlines
Wed 8/269:30 am
LAX
- SEA
Nonstop2h 50m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 5/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:55 am
SEA
- LAX
1 stop5h 35m
Southwest
Wed 9/94:10 pm
LAX
- SEA
1 stop5h 35m
Southwest
Deal found 5/30![Southwest logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:59 pm
SEA
- LAX
1 stop4h 31m
Alaska Airlines
Wed 10/212:06 pm
LAX
- SEA
1 stop4h 50m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 5/31. 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.
Sat 9/55:30 am
SEA
- LAX
1 stop4h 50m
Southwest
Sat 9/55:05 pm
LAX
- SEA
1 stop5h 50m
Southwest
Deal found 5/31![Southwest logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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.
Sat 11/148:00 am
SEA
- LAX
Nonstop2h 52m
Alaska Airlines
Sat 11/219:15 pm
LAX
- SEA
Nonstop2h 49m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 5/31. 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.
Sat 8/296:00 am
SEA
- LAX
1 stop4h 00m
Southwest
Sat 8/2911:05 am
LAX
- SEA
2 stops8h 25m
Southwest
Deal found 5/31![Southwest logo]()
$282
This Southwest deal was found by Cheapflights users on 6/2. 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 9/1112:55 pm
SEA
- LAX
2 stops7h 55m
Southwest
Sat 9/126:30 am
LAX
- SEA
1 stop5h 20m
Southwest
Deal found 6/2![Southwest logo]()
$312
This Southwest deal was found by Cheapflights users on 5/31. 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.
Mon 7/276:45 am
SEA
- LAX
1 stop6h 10m
Southwest
Sun 8/26:00 am
LAX
- SEA
1 stop4h 20m
Southwest
Deal found 5/31![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 5/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/295:00 am
SEA
- LAX
1 stop6h 35m
Southwest
Mon 7/66:20 am
LAX
- SEA
1 stop6h 35m
Southwest
Deal found 5/30![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 6/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:35 am
SEA
- LAX
1 stop6h 10m
Southwest
Thu 7/166:20 pm
LAX
- SEA
1 stop6h 35m
Southwest
Deal found 6/3![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 5/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:30 am
SEA
- LAX
2 stops9h 00m
Southwest
Fri 7/37:55 pm
LAX
- SEA
1 stop4h 10m
Southwest
Deal found 5/30![Southwest logo]()
$331
Last-minute flights from Seattle to CarlsbadDiscover last-minute flight deals from Seattle to Carlsbad. Data last updated June 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Carlsbad. Data last updated June 4, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 6/1. 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.
Mon 6/2911:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Mon 8/313:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Deal found 6/1![Frontier logo]()
$172
This Kissandfly.com deal was found by Cheapflights users on 5/31. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/211:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Mon 7/63:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 5/31![Frontier logo]()
$166
This Kissandfly.com deal was found by Cheapflights users on 6/4. 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.
Thu 7/2310:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Sun 7/263:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/4![Frontier logo]()
$178
This Orbitz deal was found by Cheapflights users on 6/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:06 pm
SEA
- LAX
1 stop21h 44m
Frontier
Tue 9/13:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Deal found 6/2![Frontier logo]()
$179
This Super.com deal was found by Cheapflights users on 6/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3110:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Mon 8/33:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/3![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Fri 7/3110:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Tue 8/46:30 am
LAX
- SEA
1 stop28h 09m
Frontier
Deal found 6/2![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3110:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Sun 8/23:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/3![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Fri 7/3110:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Wed 8/51:56 pm
LAX
- SEA
2 stops20h 43m
Frontier
Deal found 6/2![Frontier logo]()
$180
This Expedia deal was found by Cheapflights users on 6/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3110:34 am
SEA
- LAX
Nonstop3h 00m
Multiple Airlines
Fri 8/219:26 am
LAX
- SEA
1 stop5h 27m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$188
One-way flights from Seattle to CarlsbadSearch for one-way flight options from Seattle to Carlsbad. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
Search for one-way flight options from Seattle to Carlsbad. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:12 pm
SEA
- LAX
1 stop13h 13m
Frontier
Deal found 6/3![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:06 pm
SEA
- LAX
1 stop29h 05m
Frontier
Deal found 6/3![Frontier logo]()
$85
This Super.com deal was found by Cheapflights users on 6/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/3![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 6/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/2![Frontier logo]()
$89
This Frontier deal was found by Cheapflights users on 6/1. 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 8/2011:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/1![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Tue 9/17:41 pm
SEA
- LAX
1 stop13h 17m
Frontier
Deal found 6/2![Frontier logo]()
$92
This Frontier deal was found by Cheapflights users on 6/1. 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.
Sun 8/2311:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/1![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Mon 8/108:53 pm
SEA
- LAX
1 stop23h 10m
Frontier
Deal found 6/2![Frontier logo]()
$97
This iWofly deal was found by Cheapflights users on 6/1. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:20 pm
SEA
- LAX
Nonstop2h 50m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$99
Find flight deals from Seattle to Carlsbad
Keep the following information in mind while searching for Seattle to Carlsbad flight deals. Data was last updated June 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $123 (CheapOair) |
One-way from | $84 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $265 |
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 June 4, 2026.
Use the filters below to find and compare flights from Seattle to Carlsbad that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattleLos Angeles
SEA - LAX
SEALAX
Seattle/Tacoma Intl
Wed 8/26
7:55 pm-10:45 pm
Nonstop2h 50m
Los Angeles Los Angeles
Sun 8/30
5:51 pm-8:30 pm
Nonstop2h 39m
$217
SeattleLos Angeles
SEA - LAX
SEALAX
Seattle/Tacoma Intl
Sat 8/22
2:45 pm-5:32 pm
Nonstop2h 47m
Los Angeles Los Angeles
Wed 8/26
9:30 am-12:20 pm
Nonstop2h 50m
$217
SeattleLos Angeles
SEA - LAX
SEALAX
Seattle/Tacoma Intl
Wed 9/9
5:55 am-11:30 am
1 stop5h 35m
Los Angeles Los Angeles
Wed 9/9
4:10 pm-9:45 pm
1 stop5h 35m
$237
SeattleLos Angeles
SEA - LAX
SEALAX
Seattle/Tacoma Intl
Tue 10/20
3:59 pm-8:30 pm
1 stop4h 31m
Los Angeles Los Angeles
Wed 10/21
2:06 pm-6:56 pm
1 stop4h 50m
$237
SeattleLos Angeles
SEA - LAX
SEALAX
Seattle/Tacoma Intl
Sat 9/5
5:30 am-10:20 am
1 stop4h 50m
Los Angeles Los Angeles
Sat 9/5
5:05 pm-10:55 pm
1 stop5h 50m
$237
SeattleLos Angeles
SEA - LAX
SEALAX
Seattle/Tacoma Intl
Sat 11/14
8:00 am-10:52 am
Nonstop2h 52m
Los Angeles Los Angeles
Sat 11/21
9:15 pm-12:04 am
Nonstop2h 49m
$262
SeattleLos Angeles
SEA - LAX
SEALAX
Seattle/Tacoma Intl
Sat 8/29
6:00 am-10:00 am
1 stop4h 00m
Los Angeles Los Angeles
Sat 8/29
11:05 am-7:30 pm
2 stops8h 25m
$282
SeattleLos Angeles
SEA - LAX
SEALAX
Seattle/Tacoma Intl
Fri 9/11
12:55 pm-8:50 pm
2 stops7h 55m
Los Angeles Los Angeles
Sat 9/12
6:30 am-11:50 am
1 stop5h 20m
$312
SeattleLos Angeles
SEA - LAX
SEALAX
Seattle/Tacoma Intl
Mon 7/27
6:45 am-12:55 pm
1 stop6h 10m
Los Angeles Los Angeles
Sun 8/2
6:00 am-10:20 am
1 stop4h 20m
$327
SeattleLos Angeles
SEA - LAX
SEALAX
Seattle/Tacoma Intl
Mon 6/29
5:00 am-11:35 am
1 stop6h 35m
Los Angeles Los Angeles
Mon 7/6
6:20 am-12:55 pm
1 stop6h 35m
$327
Showing 1-10 of 23 resultsSorted by cheapest first
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.
SEA-LAX
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
SEA-C4D
SEA-LAX
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 June 4, 2026.
One of the essential ways to save on airfare from Seattle to Carlsbad is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 7% on airfare.
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 June 4, 2026.
The most flights from SEA to C4D are scheduled on a Thursday (99 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (22 on average).
How much does it cost to fly round-trip from Seattle to Carlsbad?
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 May 30, 2026.
Travelers seeking maximum savings on their Seattle to Carlsbad flight should consider departing on Monday afternoons 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.
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 June 4, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines from Seattle to Carlsbad by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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.
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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 June 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$44 | Average$200 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$283 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$110 | Average$280 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$119 | Average$260 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$124 | Average$314 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$136 | Average$238 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$292 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$185 | Average$503 | FlexibilityNo cancel fee | On-time71% |