Cheap flights from San Diego to Houston
from 196 US$
From 257 USD — compare hundreds of airlines
The cheapest month is usually 2026-08 · 196 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from San Diego to Houston, a about 2,092 km route (around 3h 7m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Copa Airlines, United Airlines, Southwest Airlines operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly San Diego to Houston?
It's usually 2026-08, from 196 USD. Use the price calendar to compare other dates.
How long is the flight from San Diego to Houston?
A nonstop flight takes about 3h 7m and covers around 2,092 km. Connecting itineraries take longer.
Are there direct flights from San Diego to Houston?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from San Diego to Houston?
Copa Airlines, United Airlines, Southwest Airlines operate this route, among others. Compare them all in the results.
When should I book San Diego–Houston flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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