The cheapest times to fly from TWF to SJC are

  • January 8th to March 4th (except the week of February 5th)
  • April 9th to June 3rd (except the weeks of May 7th and May 14th)
  • June 25th to July 15th (except the week of July 2nd)
  • October 8th 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 TWF to SJC is early December. Prices can be as high as $1148 for Sunday flights during early to mid August, or as low as $230 for Tuesday flights around early December.


When to Fly to San Jose

Flying from Twin Falls, ID (TWF) to San Jose, CA (SJC) will usually cost between $240 to $524 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $256. Due to high demand the most expensive time to fly is early to mid August, with an average price of $1148. Planning your trip to low-cost times can easily save you $892 on economy flights and even more on first-class flights. Generally, any price below $308 can be considered a good price for a round-trip TWF to SJC flight.

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

TWF to SJC Flight Prices

Compared to other flights, the TWF to SJC flight is much cheaper than the average and costs much less than the average flight leaving from Twin Falls. The average price per mile (for a direct flight) is $0.36, which is a bit above 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 $102 (27%) 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 $275. Return trip prices are from the SJC to TWF 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 TWF to SJC can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 1 hour 56 minutes may not 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 not usually a nonstop flight from TWF to SJC while comparing.

Destination alternative #1: Sacramento International Airport (SMF) in Sacramento, CA

  • 94 miles (151 km) away from SJC
  • Usually 2.60% less expensive than SJC
  • 1-layover flights available

See TWF to SMF flights


Flight Questions Answered

Still have questions about flying from TWF to SJC? We’ve got answers.

Which airlines fly this route?

You can find 2 major airlines flying this route most often: Alaska, Delta, and potentially more during busy seasons.

How far away is it from Norman Y. Mineta San Jose International Airport to Joslin Field – Magic Valley Regional Airport?

The distance between the two airports is roughly 529 miles or 851 kilometers.

How long does it take to fly from TWF to SJC?

The real-world flight time for a nonstop TWF to SJC flight is about 1 hour 56 minutes.

How many flights go between Twin Falls, ID and San Jose, CA?

It depends on the day of the week and the date, but a typical day might have around 11 available flights from TWF to SJC.


Airport Location Info


Departing Airport

Origination code TWF
Origination airport name Joslin Field – Magic Valley Regional Airport
City Twin Falls, ID
Country the United States
Latitude 42.5
Longitude -114.5

Return Airport

Destination code SJC
Destination airport name Norman Y. Mineta San Jose International Airport
City San Jose, CA
Country the United States
Latitude 37.4
Longitude -121.9


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.