Cheap flights from Houston to San Francisco
from 151 US$
From 192 USD — compare hundreds of airlines
The cheapest month is usually 2026-10 · 151 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Houston to San Francisco, a about 2,642 km route (around 3h 48m 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 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 Houston to San Francisco?
It's usually 2026-10, from 151 USD. Use the price calendar to compare other dates.
How long is the flight from Houston to San Francisco?
A nonstop flight takes about 3h 48m and covers around 2,642 km. Connecting itineraries take longer.
Are there direct flights from Houston to San Francisco?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Houston to San Francisco?
Copa Airlines, United Airlines operate this route, among others. Compare them all in the results.
When should I book Houston–San Francisco 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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Houston → San Francisco · Live fares from 100+ sites — free, with no hidden fees.