$80 Cheap Frontier Airlines flights Seattle (SEA) to San Diego (SAN)

View $80 flight on Sat, Apr 4, 2026Opens in a new window

$80 Cheap Frontier Airlines flights Seattle (SEA) to San Diego (SAN)

Prices were available within the past 7 days and start at $80 for one-way flights and $154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Jan 22 - Thu, Jan 29
SEA
Seattle
SAN
San Diego
$154 Roundtrip, found 1 day ago
$154
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Jan 22 from Seattle to San Diego, returning Thu, Jan 29, priced at $154 found 1 day ago
Frontier Airlines
Sat, Apr 4 - Thu, Apr 9
SEA
Seattle
SAN
San Diego
$175 Roundtrip, found 1 day ago
$175
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Apr 4 from Seattle to San Diego, returning Thu, Apr 9, priced at $175 found 1 day ago

Find the cheapest month to fly from Seattle (SEA) to San Diego (SAN)

January is typically the cheapest month to fly

From $87 - $157 per traveler.

Alternative airports near San Diego

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

Select flight to McClellan-Palomar CLD. Average driving time to city center is 38 minutes. Flights from $397
CLD
McClellan-Palomar
Average driving time to city center38 min
Flights from $397

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
1681 km
Average flight time
2 hours 46 mins

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