Sample Travel Date:

  • Sample from San Diego
  • September 24th – October 1st
    • This is a sample date. See below for more available travel dates

Fare Availability:

  • Charlotte / Denver / Las Vegas / Orlando / San Diego: Valid for travel from late September – mid November or January 2026 – March 2026 for Sunday through Wednesday departures and Tuesday through Friday returns.  Availability is limited. Must purchase at least 7 days in advance of departure
  • Kansas City: Valid for travel from late September – mid November or March 2026 for Sunday through Wednesday departures and Tuesday through Friday returns.  Availability is limited. Must purchase at least 7 days in advance of departure
  • Note: This fare is valid at the time of posting. If this post is more than two days old, the fare is most likely gone.

How to Search for Availability:

  • This is just to search for availability. To buy your tickets, scroll down to “How to Buy” section of this post
  • Use Matrix Airfare Search by ITA Software and use the following search criteria:
    • Origin: SAN
      • For Charlotte availability, replace SAN with CLT on the Origin field
      • For Denver availability, replace SAN with DEN on the Origin field
      • For Las Vegas availability, replace SAN with LAS on the Origin field
      • For Kansas City availability, replace SAN with MCI on the Origin field
      • For Orlando availability, replace SAN with MCO on the Origin field
    • Origin Advanced Routing Code:
      • Routing Codes: ua ua
      • Extension Codes:
        • Charlotte / Las Vegas: f .. LLX86LGT ; maxconnect 360
        • Denver: f .. LL280LGT ; maxconnect 360
        • Kansas City / Orlando /  San Diego: f .. LLX26LGT ; maxconnect 360
          • This is instructing Matrix Airfare Search by ITA Software to search for the Basic Economy fare. Use those dates on United and you will be presented with an option to upgrade to a regular economy fare.
    • Destination:  BCN
    • Return Advanced Routing Code:
      • Routing Codes: ua ua
      • Extension Codes:
        • Charlotte / Las Vegas: f .. LLX86LGT ; maxconnect 360
        • Denver: f .. LL280LGT ; maxconnect 360
        • Kansas City / Orlando / San Diego: f .. LLX26LGT ; maxconnect 360
    • (Click on Advanced Codes link to enable advanced routing code input)
    • Select “See calendar of lowest fares”
    • Duration “3-10” (This is just a sample, you can use any 7 day date range like 3-10, 7-14 etc)
  • Beginner’s Guide on How to Use Matrix by ITA Software
  • How to Read Airfare Rules and Use It to Your Advantage
  • The Matrix Airfare Search by ITA Software search page should be like below when all values are inputted
  • You cannot buy tickets using Matrix Airfare Search by ITA Software. To buy, follow our instructions in the “How to Buy” section below.

Fare Class:

Elite Qualifying Dollars:

Sample Routing:

  • SAN – EWR (Newark) – BCN (Barcelona) – EWR – SAN

Sample Mileage:

  • Miles Flown: 12,510 miles or 3.9 cents per mile (Basic Economy) / 5.5 cents per mile (Regular Economy)
  • Redeemable Miles: 2,855 miles

How to Buy:

  • Book on United with dates found on Matrix Airfare Search by ITA Software.