Cheap flights from Houston to Carlsbad from CA $96

View CA $96 flight on Tue, Jul. 22, 2025Opens in a new window

Popular airlines from Houston to Carlsbad

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Cheap flights from Houston (HOU) to Carlsbad (SAN)

Prices were available within the past 7 days and start at CA $96 for one-way flights and CA $206 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, Jul. 22 - Tue, Jul. 29
IAH
Houston
SAN
San Diego
CA $206 Roundtrip, found 4 days ago
CA $206
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Tue, Jul. 22 from Houston to San Diego, returning Tue, Jul. 29, priced at CA $206 found 4 days ago
Spirit Airlines
Tue, Jul. 22 - Tue, Jul. 29
IAH
Houston
SAN
San Diego
CA $223 Roundtrip, found 4 days ago
CA $223
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Tue, Jul. 22 from Houston to San Diego, returning Tue, Jul. 29, priced at CA $223 found 4 days ago
Delta
Thu, Sep. 4 - Sun, Sep. 7
IAH
Houston
SAN
San Diego
CA $288 Roundtrip, found 4 days ago
CA $288
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Sep. 4 from Houston to San Diego, returning Sun, Sep. 7, priced at CA $288 found 4 days ago
American Airlines
Thu, Aug. 7 - Sun, Aug. 10
IAH
Houston
SAN
San Diego
CA $305 Roundtrip, found 5 days ago
CA $305
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Aug. 7 from Houston to San Diego, returning Sun, Aug. 10, priced at CA $305 found 5 days ago
Alaska Airlines
Mon, Aug. 4 - Mon, Aug. 11
IAH
Houston
SAN
San Diego
CA $324 Roundtrip, found 4 days ago
CA $324
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Aug. 4 from Houston to San Diego, returning Mon, Aug. 11, priced at CA $324 found 4 days ago
Hawaiian Airlines
Mon, Jul. 21 - Tue, Jul. 29
IAH
Houston
SAN
San Diego
CA $588 Roundtrip, found 4 days ago
CA $588
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Mon, Jul. 21 from Houston to San Diego, returning Tue, Jul. 29, priced at CA $588 found 4 days ago

Find the cheapest month to fly from Houston (HOU) to San Diego (SAN)

August is typically the cheapest month to fly

From CA $101 - CA $306 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.