The cheapest times to fly from SFO to VTE are

  • February 12th to April 22nd
  • August 20th to December 2nd

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 SFO to VTE is early September. Prices can be as high as $1820 for Saturday flights during mid December, or as low as $654 for Wednesday flights around early September.


When to Fly to Vientiane

Flying from San Francisco, CA (SFO) to Vientiane (VTE) will usually cost between $789 to $1475 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $790. Due to high demand the most expensive time to fly is mid December, with an average price of $1591. Planning your trip to low-cost times can easily save you $801 on economy flights and even more on first-class flights. Generally, any price below $982 can be considered a good price for a round-trip SFO to VTE flight.

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

SFO to VTE Flight Prices

Compared to other flights, the SFO to VTE flight is priced close to the average and costs less than the average flight leaving from San Francisco. The average price per mile (for a direct flight) is $0.08, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly to Vientiane, and Sundays are the most expensive days to return to San Francisco. Selecting flights on the least expensive days could save you up to $337 (21%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $981. Return trip prices are from the VTE to SFO 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 SFO to VTE can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 14 hour 41 minutes may not be realistic.


Flight Hacking SFO to VTE

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 SFO to VTE — but Champion Traveler does!

Hack #1: Bangkok (SFO > BKK > VTE)

  • Price for both tickets: $837
  • Average savings: $145 (14.77%)

See SFO to BKK flights

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

  • Price for both tickets: $876
  • Average savings: $107 (10.85%)

See SFO to KUL flights

Hack #3: Hanoi (SFO > HAN > VTE)

  • Price for both tickets: $923
  • Average savings: $60 (6.06%)

See SFO to HAN flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 29 major airlines flying this route most often: Alaska, American, Asiana, Austrian, Bangkok Airways, Cathay Dragon, Cathay Pacific, China Airlines, China Eastern, China Southern, Delta, Emirates, Ethiopian, Etihad, EVA Air, Hainan, Hong Kong Airlines, JAL, Korean Air, Lao Airlines, Lufthansa, Qatar Airways, Sichuan Airlines, Singapore Airlines, SWISS, THAI, United, Vietnam Airlines, Xiamen, and potentially more during busy seasons.

How far away is it from Wattay International Airport to San Francisco International Airport?

The distance between the two airports is roughly 7610 miles or 12247 kilometers.

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

The real-world flight time for a nonstop SFO to VTE flight is about 14 hour 41 minutes.

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

It depends on the day of the week and the date, but a typical day might have around 67 available flights from SFO to VTE.


Airport Location Info


Departing Airport

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

Return Airport

Destination code VTE
Destination airport name Wattay International Airport
City Vientiane
Country Laos
Latitude 18
Longitude 102.6


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.