The cheapest times to fly from UTP to SFO are

  • January 29th to February 25th
  • March 19th to April 1st
  • May 14th to July 8th (except the week of June 25th)
  • August 27th to December 9th (except the weeks of September 10th, September 17th, and November 26th)

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 UTP to SFO is early November. Prices can be as high as $3066 for Tuesday flights during early May, or as low as $1228 for Monday flights around early November.


When to Fly to San Francisco

Flying from Utapao (UTP) to San Francisco, CA (SFO) will usually cost between $1292 to $1978 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $1283. Due to high demand the most expensive time to fly is early May, with an average price of $1860. Planning your trip to low-cost times can easily save you $577 on economy flights and even more on first-class flights. Generally, any price below $1388 can be considered a good price for a round-trip UTP to SFO flight.

See below for a graph of average weekly prices for the UTP to SFO route. All prices are for round-trip tickets in USD.

UTP to SFO Flight Prices

Compared to other flights, the UTP to SFO flight is slightly more expensive than the average and costs less than the average flight leaving from Pattaya City. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to depart and return on this flight. Tuesdays are the most expensive days to fly to San Francisco, and Sundays are the most expensive days to return to Pattaya City. Selecting flights on the least expensive days could save you up to $182 (11%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $1390. Return trip prices are from the SFO to UTP flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from UTP to SFO can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 15 hour 19 minutes may not be realistic.


Flight Hacking UTP to SFO

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from UTP to SFO — but Champion Traveler does!

Hack #1: Chiang Mai (UTP > CNX > SFO)

  • Price for both tickets: $826
  • Average savings: $562 (40.49%)

See UTP to KUL flights

Hack #2: Kuala Lumpur (UTP > KUL > SFO)

  • Price for both tickets: $946
  • Average savings: $443 (31.88%)

See UTP to CNX flights

Hack #3: Phuket (UTP > HKT > SFO)

  • Price for both tickets: $1041
  • Average savings: $348 (25.04%)

See UTP to HKT flights


Flight Questions Answered

Still have questions about flying from UTP to SFO? We’ve got answers.

Which airlines fly this route?

You can find 12 major airlines flying this route most often: Bangkok Airways, Cathay Dragon, Cathay Pacific, China Airlines, China Southern, Delta, Emirates, EVA Air, Singapore Airlines, Turkish Airlines, United, Xiamen, and potentially more during busy seasons.

How far away is it from San Francisco International Airport to U-Tapao Pattaya International Airport?

The distance between the two airports is roughly 7966 miles or 12820 kilometers.

How long does it take to fly from UTP to SFO?

The real-world flight time for a nonstop UTP to SFO flight is about 15 hour 19 minutes.

How many flights go between Utapao and San Francisco, CA?

It depends on the day of the week and the date, but a typical day might have around 12 available flights from UTP to SFO.


Airport Location Info


Departing Airport

Origination code UTP
Origination airport name U-Tapao Pattaya International Airport
City Utapao
Country Thailand
Latitude 12.7
Longitude 101

Return Airport

Destination code SFO
Destination airport name San Francisco International Airport
City San Francisco, CA
Country the United States
Latitude 37.6
Longitude -122.4


Other Resources

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.