$139 Cheap United flights Seattle (SEA) to Carlsbad (CLD)

View $139 flight on Tue, Apr 14, 2026Opens in a new window

$139 Cheap United flights Seattle (SEA) to Carlsbad (CLD)

Prices were available within the past 7 days and start at $139 for one-way flights and $549 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Apr 12 - Thu, Apr 16
SEA
Seattle
CLD
Carlsbad
$549 Roundtrip, found 3 days ago
$549
Roundtrip
found 3 days ago
Select United flight, departing Sun, Apr 12 from Seattle to Carlsbad, returning Thu, Apr 16, priced at $549 found 3 days ago

Alternative airports near Carlsbad

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Diego Intl. SAN. Cheapest option available. Average driving time to city center is 38 minutes. Flights from $154
SAN
San Diego Intl.
Cheapest
Average driving time to city center38 min
Flights from $154
Flights from Seattle (SEA) to Carlsbad (CLD)
Origin airport
Seattle - Tacoma Intl.
Destination airport
McClellan-Palomar
Airlines serving
American Airlines
Popular airline
American Airlines
Distance
1637 km