Houston to San Diego
IAHSAN
Fly from Houston to San Diego starting at USD 140 with Frontier Airlines.
Best fare available on Jun 24, 2026.
Limited seats. Better plans. Book before it's gone.
Houston to San Diego cheapest flights this week
Houston to San Diego monthly flight fare trend
May
from USD 144
Jun
from USD 140
Jul
No flights
Aug
No flights
Sep
No flights
Oct
No flights
Airport Details
Origin
Houston
George Bush Intercontinental Houston Airport (IAH)
Houston, IAH
Zone
Chicago
Elev
97 ft
Destination
San Diego
San Diego International Airport (SAN)
San Diego, SAN
Zone
Los Angeles
Elev
17 ft
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