Track economy fares on the IAH → SAN route and get alerts when prices drop.
From
Houston
IAH
To
San Diego
SAN
Route Intelligence: Houston → San Diego
Flight Duration
3 hr 21 min (Direct)
Price Guidance
A good deal is under $250 roundtrip. Standard fare is $350–$500+.
Peak Season
Jun-Aug
Top Airlines
United Airlines
Booking Tip
Book 1-3 months in advance for the best domestic fares.
Track Houston → San Diego Fares
Set your target price and FlightKitten will scan this route twice daily. The instant economy fares drop below your budget, you'll get an email with the price, airline, and a direct booking link.
A good deal is under $250 roundtrip. Standard fare is $350–$500+.
Tracking
FlightKitten scans 220+ airlines 2× daily
220+
Airlines Monitored
2×
Daily Scanning
AI
Deal Briefings
7-Day
Free Trial
Premium Cabin
Prefer business class on this route?
CEOFLIGHTSon board with your vision
Everyone deserves comfort at an affordable price. CEOFLIGHTS Personal Travel Managers find you the best business class fares and handle every detail of your journey.
Trading the Gulf Coast for Southern California's Pacific shores takes 3 hours and 22 minutes across 1,303 miles. United Airlines and Southwest connect Houston directly with San Diego International Airport (SAN).
San Diego is celebrated for its year-round Mediterranean climate, world-famous beaches, and laid-back surf culture. Wander through the Spanish Renaissance buildings and lush gardens of Balboa Park, watch sea lions bask at La Jolla Cove, or stroll the boardwalk from Pacific Beach to Mission Beach. Savor fresh local fish tacos in Barrio Logan and dine on handmade pasta under patio lights in Little Italy.
Economy roundtrips under $150 represent fantastic value on this route, with standard fares averaging $230 to $350. Summer is peak season for beach lovers, though September and October offer warm ocean water and smaller crowds. Book 4 to 6 weeks ahead for the best savings.
How much are flights from Houston to San Diego in 2026?
Flight prices from Houston (IAH) to San Diego (SAN) vary significantly depending on the season, day of the week, and how far in advance you book. A good deal is under $250 roundtrip. Standard fare is $350–$500+. Popular carriers on this route include United Airlines. FlightKitten eliminates the guesswork by monitoring 220+ airlines twice daily and alerting you the moment economy fares hit your target price.
How does FlightKitten track Houston to San Diego fares?
FlightKitten is an economy flight price monitoring platform that scans 220+ airlines twice every day for economy fares on the IAH to SAN route. When you set a target price, FlightKitten continuously monitors this route and sends an email alert the moment fares drop below your budget. Each alert includes the exact fare, airline, dates, and an AI-powered briefing that explains whether the deal is genuinely good compared to historical pricing on this route. No more obsessive price checking — set your budget and let FlightKitten do the watching. Learn more about how FlightKitten tracking works.
Pro tip: Book 1-3 months in advance for the best domestic fares.
Looking for business class on this route? CEOFLIGHTS pairs you with a Personal Travel Manager who finds affordable business class fares and handles every detail of your journey. Alternatively, BestBusinessClass.com offers free expert quotes with real savings.
