The cheapest times to fly from ASU to SAN are

  • January 22nd to February 11th (except the week of January 29th)
  • February 26th to June 3rd (except the week of April 2nd)
  • October 8th to November 25th

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 ASU to SAN is early May. Prices can be as high as $2230 for Sunday flights during early January, or as low as $1106 for Tuesday flights around early May.


When to Fly to San Diego

Flying from Asuncion (ASU) to San Diego, CA (SAN) will usually cost between $1107 to $1707 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early May with an average ticket price of $1172. Due to high demand the most expensive time to fly is early January, with an average price of $1890. Planning your trip to low-cost times can easily save you $718 on economy flights and even more on first-class flights. Generally, any price below $1372 can be considered a good price for a round-trip ASU to SAN flight.

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

ASU to SAN Flight Prices

Compared to other flights, the ASU to SAN flight is slightly more expensive than the average and costs about as much as the average flight leaving from Asuncion. The average price per mile (for a direct flight) is $0.15, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to SAN, and Wednesday the cheapest day to fly back into ASU. 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 $113 (8%) 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 $1335. Return trip prices are from the SAN to ASU 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 ASU to SAN can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 11 hour 4 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 ASU to SAN while comparing.

Destination alternative #1: Los Angeles International Airport (LAX) in Los Angeles, CA

  • 109 miles (175 km) away from SAN
  • Usually 43.84% less expensive than SAN
  • 1-layover flights available

See ASU to LAX flights


Flight Hacking ASU to SAN

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 ASU to SAN — but Champion Traveler does!

Hack #1: Orlando, FL (ASU > MCO > SAN)

  • Price for both tickets: $940
  • Average savings: $433 (31.52%)

See ASU to LAX flights

Hack #2: Los Angeles, CA (ASU > LAX > SAN)

  • Price for both tickets: $950
  • Average savings: $423 (30.79%)

See ASU to MCO flights

Hack #3: Miami, FL (ASU > MIA > SAN)

  • Price for both tickets: $1002
  • Average savings: $370 (26.97%)

See ASU to MIA flights


Flight Questions Answered

Still have questions about flying from ASU to SAN? We’ve got answers.

Which airlines fly this route?

You can find 8 major airlines flying this route most often: Aeromexico, Alaska, American, Avianca, COPA, Delta, LATAM, United, and potentially more during busy seasons.

How far away is it from San Diego International Airport to Silvio Pettirossi International Airport?

The distance between the two airports is roughly 5607 miles or 9024 kilometers.

How long does it take to fly from ASU to SAN?

The real-world flight time for a nonstop ASU to SAN flight is about 11 hour 4 minutes.

How many flights go between Asuncion and San Diego, CA?

It depends on the day of the week and the date, but a typical day might have around 13 available flights from ASU to SAN.


Airport Location Info


Departing Airport

Origination code ASU
Origination airport name Silvio Pettirossi International Airport
City Asuncion
Country Paraguay
Latitude -25.2
Longitude -57.5

Return Airport

Destination code SAN
Destination airport name San Diego International Airport
City San Diego, CA
Country the United States
Latitude 32.7
Longitude -117.2


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.