Cheap flights from Tri-Cities to Carlsbad from CA $329

View CA $329 flight on Thu, Jul. 24, 2025Opens in a new window

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Cheap flights from Tri-Cities (PSC) to Carlsbad (SAN)

Prices were available within the past 7 days and start at CA $329 for one-way flights and CA $450 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Jul. 23 - Tue, Jul. 29
PSC
Pasco
SAN
San Diego
CA $450 Roundtrip, found 4 days ago
CA $450
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Jul. 23 from Pasco to San Diego, returning Tue, Jul. 29, priced at CA $450 found 4 days ago
Hawaiian Airlines
Tue, Jul. 22 - Tue, Jul. 29
PSC
Pasco
SAN
San Diego
CA $450 Roundtrip, found 4 days ago
CA $450
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Tue, Jul. 22 from Pasco to San Diego, returning Tue, Jul. 29, priced at CA $450 found 4 days ago
Hawaiian Airlines
Sat, Jul. 26 - Tue, Jul. 29
PSC
Pasco
SAN
San Diego
CA $458 Roundtrip, found 4 days ago
CA $458
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Sat, Jul. 26 from Pasco to San Diego, returning Tue, Jul. 29, priced at CA $458 found 4 days ago
Alaska Airlines
Tue, Jul. 22 - Sat, Aug. 2
PSC
Pasco
SAN
San Diego
CA $481 Roundtrip, found 4 days ago
CA $481
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Jul. 22 from Pasco to San Diego, returning Sat, Aug. 2, priced at CA $481 found 4 days ago
American Airlines
Thu, Jul. 24 - Fri, Aug. 1
PSC
Pasco
SAN
San Diego
CA $569 Roundtrip, found 4 days ago
CA $569
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Jul. 24 from Pasco to San Diego, returning Fri, Aug. 1, priced at CA $569 found 4 days ago
United
Fri, Jul. 25 - Sat, Aug. 2
PSC
Pasco
SAN
San Diego
CA $624 Roundtrip, found 4 days ago
CA $624
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jul. 25 from Pasco to San Diego, returning Sat, Aug. 2, priced at CA $624 found 4 days ago

Find the cheapest month to fly from Pasco (PSC) to San Diego (SAN)

September is typically the cheapest month to fly

From CA $266 - CA $495 per traveller.

Graph displaying average flight prices per month

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