Domestic route
Cheap flights from Houston to San Francisco
George Bush Intercontinental Airport (IAH) to San Francisco International Airport (SFO). 1,633 miles, 3h 55m nonstop.
IAH to SFO at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 1,633 milesgreat-circle
- Typical flight time
- 3h 55mnonstop, gate to gate
- Nonstop airlines
- DLUAWNAS5 airlinesDelta, United, Southwest
- Nonstop flights per day
- 25all airlines combined
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Wednesday19% less than Sunday
- Time difference
- 2h behindSan Francisco vs Houston
Houston to San Francisco
Round trips from $107
Per traveler, taxes and fees included. Lowest fare we found departs Tue, Jan 5.
Cheapest month: January 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppHouston to San Francisco fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Houston to San Francisco
5 airlines fly nonstop with 25 departures a day combined, plus 3 more with one stop.
- UAUnited AirlinesStar AllianceNonstop · 11 flights a day · first checked bag from $40
- ASAlaska AirlinesoneworldNonstop · 7 flights a day · first checked bag from $35
- NKSpirit AirlinesLow-costNonstop · 3 flights a day · first checked bag from $55
- DLDelta Air LinesSkyTeamNonstop · 2 flights a day · first checked bag from $35
- WNSouthwest AirlinesLow-costNonstop · 2 flights a day · first checked bag from $35
- AAAmerican AirlinesoneworldConnecting via DFW, PHX, LAX · first checked bag from $40
- F9Frontier AirlinesLow-costConnecting via DEN, LAS, PHX · first checked bag from $55
- B6JetBlueConnecting via LAX · first checked bag from $40
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Phoenix (PHX)AAF92 airlines
- Los Angeles (LAX)AAB62 airlines
- Dallas (DFW)AA1 airline
- Denver (DEN)F91 airline
- Las Vegas (LAS)F91 airline
Which airport should I use?
Houston has 2 airports and San Francisco has 3 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.
Other departure airports near Houston
Tips for this route
- Delta, United, Southwest and Alaska all fly IAH to SFO nonstop, so compare the total with bags before picking the lowest base fare: the difference between a basic and a standard economy ticket is often less than one checked bag each way.
- January 2027 is the cheapest month to fly over the next six months, with round trips from $107; September 2026 is the most expensive at $156 and up, a difference of $49 per traveler.
- Departing on a Wednesday averages 19% less than a Sunday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks.
- San Francisco is 2 hours behind Houston. A morning departure lands in San Francisco with most of the day left; an evening flight arrives close to local dinner time.
Destination guide
San Francisco: Fog, hills and the Golden Gate
San Francisco packs cable cars, the Golden Gate Bridge, Alcatraz and world-class food into 49 square miles. SFO is the main gateway; Oakland and San Jose are handy alternatives with lower fares on many routes.
Best time to visit: September and October are the warmest, clearest months. Spring (April–May) is green and mild. Summer fog ('Karl') keeps the coast cool; winter is rainy but inexpensive.
Flying the other way? San Francisco to HoustonFares, airlines and tips for SFO to IAH.Ready to compare live fares?
See every airline on IAH–SFO side by side with bags and seat rules spelled out.
Search Houston to San FranciscoHouston to San Francisco: common questions
How long is the flight from Houston to San Francisco?
A nonstop flight from Houston (IAH) to San Francisco (SFO) takes about 3h 55m gate to gate, covering 1,633 miles. Connecting itineraries add the layover, typically 1 to 3 hours more in total.
Which airlines fly nonstop from IAH to SFO?
Delta Air Lines, United Airlines, Southwest Airlines, Alaska Airlines and Spirit Airlines operate nonstop flights from Houston (IAH) to San Francisco (SFO), with 25 nonstop departures a day between them. One-stop options connect through PHX, LAX and DFW.
What is the cheapest month to fly from Houston to San Francisco?
Over the next six months, January 2027 has the lowest round-trip fares from Houston (IAH) to San Francisco (SFO), starting at $107 per traveler including taxes and fees. Within any month, Wednesday departures average the lowest prices.
How far in advance should I book Houston to San Francisco flights?
Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Houston and San Francisco?
San Francisco is 2 hours behind Houston. IAH is on America/Chicago time and SFO on America/Los Angeles time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.
More flights from Houston
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- Seattle to San FranciscoSEA → SFOfrom $80
- Honolulu to San FranciscoHNL → SFOfrom $243
- Vancouver to San FranciscoYVR → SFOfrom $107
- London to San FranciscoLHR → SFOfrom $513
- Paris to San FranciscoCDG → SFOfrom $508