The cheapest times to fly from IAH to SFO are
- January 8th to March 4th
- April 23rd to May 6th
- August 6th to November 18th
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from IAH to SFO is late August to early September. Prices can be as high as $884 for Sunday flights during mid May, or as low as $284 for Tuesday flights around late August to early September.
When to Fly to San Francisco
Flying from Houston, TX (IAH) to San Francisco, CA (SFO) will usually cost between $313 to $474 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late August to early September with an average ticket price of $314. Due to high demand the most expensive time to fly is mid May, with an average price of $460. Planning your trip to low-cost times can easily save you $146 on economy flights and even more on first-class flights. Generally, any price below $354 can be considered a good price for a round-trip IAH to SFO flight.
See below for a graph of average weekly prices for the IAH to SFO route. All prices are for round-trip tickets in USD.
Compared to other flights, the IAH to SFO flight is much cheaper than the average and costs much less than the average flight leaving from Houston. The average price per mile (for a direct flight) is $0.13, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $61 (15%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $341. Return trip prices are from the SFO to IAH flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from IAH to SFO can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 3 hour 55 minutes may be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from IAH to SFO while comparing.
- 86 miles (138 km) away from SFO
- Usually 8.35% less expensive than SFO
- Nonstop flights available
Flight Questions Answered
Still have questions about flying from IAH to SFO? We’ve got answers.
Which airlines fly this route?
You can find 6 major airlines flying this route most often: Alaska, American, Delta, Frontier, Qantas, United, and potentially more during busy seasons.
How far away is it from San Francisco International Airport to George Bush Intercontinental/Houston Airport?
The distance between the two airports is roughly 1632 miles or 2626 kilometers.
How long does it take to fly from IAH to SFO?
The real-world flight time for a nonstop IAH to SFO flight is about 3 hour 55 minutes.
How many flights go between Houston, TX and San Francisco, CA?
It depends on the day of the week and the date, but a typical day might have around 51 available flights from IAH to SFO.
Airport Location Info
|Origination airport name||George Bush Intercontinental/Houston Airport|
|Country||the United States|
|Destination airport name||San Francisco International Airport|
|City||San Francisco, CA|
|Country||the United States|
Late and Early Flight Data
Flights from IAH to SFO tend to depart later than the average flight. According to our recently updated data, 33% of flights departed 5 or more minutes late, and 10% of flights left 5 or more minutes early. On average you can expect to leave SFO heading for IAH about 14 minutes late. This does significantly impact arrival time, as the average landing time in San Francisco, CA is about 3 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:
- United: 14 minutes late
- Some airlines not reporting
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.