Cheap flights from Las Vegas to San Diego from CA $34

View CA $34 flight on Wed, Aug. 20, 2025Opens in a new window

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Cheap flights from Las Vegas (LAS) to San Diego (SAN)

Prices were available within the past 7 days and start at CA $34 for one-way flights and CA $67 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, Aug. 26 - Wed, Aug. 27
LAS
Las Vegas
SAN
San Diego
CA $67 Roundtrip, found 5 hours ago
CA $67
Roundtrip
found 5 hours ago
Select Spirit Airlines flight, departing Tue, Aug. 26 from Las Vegas to San Diego, returning Wed, Aug. 27, priced at CA $67 found 5 hours ago
Spirit Airlines
Fri, Aug. 8 - Sun, Aug. 10
LAS
Las Vegas
SAN
San Diego
CA $73 Roundtrip, found 5 days ago
CA $73
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Fri, Aug. 8 from Las Vegas to San Diego, returning Sun, Aug. 10, priced at CA $73 found 5 days ago
Delta
Tue, Aug. 26 - Wed, Aug. 27
LAS
Las Vegas
SAN
San Diego
CA $101 Roundtrip, found 5 hours ago
CA $101
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Aug. 26 from Las Vegas to San Diego, returning Wed, Aug. 27, priced at CA $101 found 5 hours ago
Alaska Airlines
Sat, Aug. 16 - Wed, Aug. 20
LAS
Las Vegas
SAN
San Diego
CA $127 Roundtrip, found 2 days ago
CA $127
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Aug. 16 from Las Vegas to San Diego, returning Wed, Aug. 20, priced at CA $127 found 2 days ago
Hawaiian Airlines
Wed, Aug. 13 - Sun, Aug. 17
LAS
Las Vegas
SAN
San Diego
CA $189 Roundtrip, found 9 hours ago
CA $189
Roundtrip
found 9 hours ago
Select Hawaiian Airlines flight, departing Wed, Aug. 13 from Las Vegas to San Diego, returning Sun, Aug. 17, priced at CA $189 found 9 hours ago
American Airlines
Sat, Aug. 16 - Wed, Aug. 20
LAS
Las Vegas
CLD
Carlsbad
CA $219 Roundtrip, found 2 days ago
CA $219
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Aug. 16 from Las Vegas to Carlsbad, returning Wed, Aug. 20, priced at CA $219 found 2 days ago

Find the cheapest month to fly from Las Vegas (LAS) to San Diego (SAN)

September is typically the cheapest month to fly

From CA $54 - CA $85 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.