Cheap Flights from Houston to Carlsbad

View €128 flight on Fri, 24 Oct 2025Opens in a new window

Popular airlines from Houston to Carlsbad

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Cheap flights from Houston to Carlsbad (HOU-SAN)

Prices were available within the past 7 days and start at €128 for one-way flights and €207 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 30 Aug - Sat, 6 Sep
IAH
Houston
SAN
San Diego
€207 Return, found 21 hours ago
€207
Return
found 21 hours ago
Select American Airlines flight, departing Sat, 30 Aug from Houston to San Diego, returning Sat, 6 Sep, priced at €207 found 21 hours ago
American Airlines
Sat, 30 Aug - Sat, 6 Sep
IAH
Houston
CLD
Carlsbad
€232 Return, found 21 hours ago
€232
Return
found 21 hours ago
Select American Airlines flight, departing Sat, 30 Aug from Houston to Carlsbad, returning Sat, 6 Sep, priced at €232 found 21 hours ago
American Airlines
Sat, 30 Aug - Sat, 6 Sep
IAH
Houston
SAN
San Diego
€232 Return, found 21 hours ago
€232
Return
found 21 hours ago
Select American Airlines flight, departing Sat, 30 Aug from Houston to San Diego, returning Sat, 6 Sep, priced at €232 found 21 hours ago
American Airlines
Sat, 30 Aug - Sat, 6 Sep
IAH
Houston
SAN
San Diego
€239 Return, found 21 hours ago
€239
Return
found 21 hours ago
Select American Airlines flight, departing Sat, 30 Aug from Houston to San Diego, returning Sat, 6 Sep, priced at €239 found 21 hours ago
Delta
Sat, 30 Aug - Sat, 6 Sep
IAH
Houston
SAN
San Diego
€249 Return, found 21 hours ago
€249
Return
found 21 hours ago
Select Delta flight, departing Sat, 30 Aug from Houston to San Diego, returning Sat, 6 Sep, priced at €249 found 21 hours ago
United
Sat, 23 Aug - Sat, 30 Aug
IAH
Houston
SAN
San Diego
€313 Return, found 3 days ago
€313
Return
found 3 days ago
Select United flight, departing Sat, 23 Aug from Houston to San Diego, returning Sat, 30 Aug, priced at €313 found 3 days ago

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

September is typically the cheapest month to fly

From €79 - €218 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.