$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 3 days ago
$154
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Jan 22 from Seattle to San Diego, returning Thu, Jan 29, priced at $154 found 3 days ago
Frontier Airlines
Sat, Apr 4 - Thu, Apr 9
SEA
Seattle
SAN
San Diego
$175 Roundtrip, found 3 days ago
$175
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Apr 4 from Seattle to San Diego, returning Thu, Apr 9, priced at $175 found 3 days 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 $287
CLD
McClellan-Palomar
Average driving time to city center38 min
Flights from $287
Flights from Seattle (SEA) to San Diego (SAN)
Origin airport
Seattle - Tacoma Intl.
Destination airport
San Diego Intl.
Distance
1681 km
Average flight time
2 hours 46 mins