American: Denver / Houston – Madrid, Spain. $484 (Basic Economy) / $684 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • Sample from Houston
  • November 13th – 20th
    • This is a sample date. See below for more available travel dates

Fare Availability:

  • Valid for travel from late October – early December or January 2025 – February 2025 for Sunday through Wednesday departures and Tuesday through Friday returns. A Sunday stay is required. 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
  • 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:

  • B (Basic Economy)
  • O (Regular Economy)

Sample Routing:

  • IAH – MIA (Miami) – MAD (Madrid) – MIA – IAH

Sample Mileage:

  • Miles Flown: 10.750 miles or 4.5 cents per mile (Basic Economy) / 6.4 cents per mile (Regular Economy)
  • Loyalty Points: 2,855 points
  • Redeemable Miles: 2,855 miles

How to Buy:

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

American: Charlotte – Denver (and vice versa). $157 (Basic Economy) / $315 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • May 25th – 29th
    • This is a sample date. See below for more available travel dates.

Fare Availability:

  • Valid for travel in May for Tuesday, Wednesday and Saturday departures and returns. Availability is extremely limited. Must purchase at least 3 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 Google Flights.
    • Matrix Airfare Search by ITA Software does not show the cheapest fares for American domestic and some international flights because American change the way it sells its fares.

Fare Class:

  • B (Basic Economy)
  • O (Regular Economy)

Sample Routing:

  • CLT – DEN (Denver) – CLT

Sample Mileage:

  • Miles Flown: 2,666 miles or 5.9 cents per mile (Basic Economy) / 11.8 cents per mile (Regular Economy)
  • Loyalty Points: 1,330 points
  • Redeemable Miles: 1,330 miles

How to Buy:

  • Book on American with dates found on Google Flights.

American: Denver / Houston – Bogota, Colombia. Starting $249 (Basic Economy) / $349 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • Sample from Houston
  • September 19th – 24th
    • This is a sample date. See below for more available travel dates.

Fare Availability:

  • Denver: Valid for travel in late September. Availability is limited. . Must purchase at least 21 days in advance of departure.
  • Houston: Valid for travel from September – early October. Availability is limited. . Must purchase at least 21 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
  • 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:

  • B (Basic Economy)
  • O (Regular Economy)

Sample Routing:

  • IAH – DFW (Dallas) – BOG (Bogota) – MIA (Miami) – IAH

Sample Mileage:

  • Miles Flown: 5,140 miles or 5.0 cents per mile (Basic Economy) / 6.8 cents per mile (Regular Economy)
  • Loyalty Points: 1,000 points
  • Redeemable Miles: 1,000 miles

How to Buy:

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

Denver

Houston

American: San Diego / Denver / Houston / Las Vegas – Barcelona, Spain. $451 (Basic Economy) / $631 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • Sample from San Diego
  • April 10th – 17th
    • This is a sample date. See below for more available travel dates

Fare Availability:

  • Valid for travel in April for Sunday through Wednesday departures and Tuesday through Friday returns. A Sunday stay is required. 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 Denver availability, replace SAN with DEN on the Origin field
      • For Houston availability, replace SAN with IAH on the Origin field
      • For Las Vegas availability, replace SAN with LAS  on the Origin field
    • Origin Advanced Routing Code:
      • Routing Codes: aa aa
      • Extension Codes: maxconnect 360
    • Destination:  BCN
    • Return Advanced Routing Code:
      • Routing Codes: aa aa
      • Extension Codes: 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:

  • B (Basic Economy)
  • O (Regular Economy)

Sample Routing:

  • SAN – MIA (Miami)  – BCN (Barcelona) – PHL (Philadelphia) – SAN

Sample Mileage:

  • Miles Flown: 13,223 miles or 3.7 cents per mile (Basic Economy) / 4.8 cents per mile (Regular Economy)
  • Loyalty Points: 2,605 points
  • Redeemable Miles: 2,605 miles

How to Buy:

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

American: San Diego / Denver / Houston / Las Vegas – Madrid, Spain. $453 (Basic Economy) / $633 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • Sample from San Diego
  • April 9th – 16th
    • This is a sample date. See below for more available travel dates

Fare Availability:

  • Valid for travel in April or late September – early December or January 2025 for Sunday through Wednesday departures and Tuesday through Friday returns. A Sunday stay is required. 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 Denver availability, replace SAN with DEN on the Origin field
      • For Houston availability, replace SAN with IAH on the Origin field
      • For Las Vegas availability, replace SAN with LAS  on the Origin field
    • Origin Advanced Routing Code:
      • Routing Codes: aa aa
      • Extension Codes: maxconnect 360
    • Destination:  MAD
    • Return Advanced Routing Code:
      • Routing Codes: aa aa
      • Extension Codes: 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:

  • B (Basic Economy)
  • O (Regular Economy)

Sample Routing:

  • SAN – PHL (Philadelphia) – MAD (Madrid) – CLT (Charlotte) – SAN

Sample Mileage:

  • Miles Flown: 12,201 miles or 3.7 cents per mile (Basic Economy) / 5.1 cents per mile (Regular Economy)
  • Loyalty Points: 2,605 points
  • Redeemable Miles: 2,605 miles

How to Buy:

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

United: Orlando – Denver (and vice versa). $198 (Basic Economy) / $268 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • April 19th – 23rd
    • This is a sample date. See below for more available travel dates

Fare Availability:

  • Valid for travel from April – early May. 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: MCO
    • Origin Advanced Routing Code:
      • Routing Codes: ua
      • Extension Codes:
        • 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 the option to upgrade to the regular economy fare.
    • Destination:  SFO
    • Return Advanced Routing Code:
      • Routing Codes: ua
      • Extension Codes:
    • (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:

  • N (Basic Economy)
  • G (Regular Economy)

Elite Qualifying Dollars:

Sample Routing:

  • MCO – DEN (Denver) – MCO

Sample Mileage:

  • Miles Flown: 3,088 miles
  • Redeemable Miles: 1,014 miles

How to Buy:

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

United / All Nippon Airways: Denver / Houston – Ho Chi Minh City, Vietnam. Starting $972. Roundtrip, including all Taxes

Sample Travel Date:

  • Sample from Houston
  • May 1st – 8th
    • This is a sample date. See below for more available travel dates.

Fare Availability:

  • Denver: Valid for travel from mid April – mid May for Monday through Thursday departures and returns. Availability is limited. Must purchase at least 14 days in advance of departure.
  • Houston: Valid for travel from late April – early May for Monday through Thursday departures and returns. Availability is limited. Must purchase at least 14 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
  • 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:

  • IAH – HND (Tokyo – Haneda) – SGN (Ho Chi Minh City) – NRT (Tokyo – Narita) – IAH (Houston)

Sample Mileage:

  • Miles Flown: 18,694 miles or 5.2 cents per mile
  • Redeemable Miles: 4,280 miles

How to Buy:

  • Support us by using our Priceline link to book with dates found on Matrix Airfare Search by ITA Software .

Denver

Houston

The Shorthaul – Southwest: Minneapolis – Denver (and vice versa). $92. Roundtrip, including all Taxes

Sample Travel Date:

  • March 21st – 25th
    • This is a sample date. See below for more available travel dates.

Fare Availability:

  • Valid for travel in late March. 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:

Sample Routing:

  • MSP – DEN (Denver) – MSP

Sample Mileage:

  • Miles Flown: 1,356 miles

How to Buy:

American: Orlando / Denver / Houston / Kansas City / Las Vegas / San Diego – Malaga, Spain. $470 (Basic Economy) / $650 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • Sample from Orlando
  • April 16th – 23rd
    • This is a sample date. See below for more available travel dates

Fare Availability:

  • Valid for travel from February – early March or mid April. Availability is extremely limited – just a few scattered dates per month A Sunday stay is required. Must purchase at least 14 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: MCO
      • For Denver availability, replace MCO with DEN on the Origin field
      • For Houston availability, replace MCO with IAH on the Origin field
      • For Kansas City availability, replace MCO with MCI  on the Origin field
      • For Las Vegas availability, replace MCO with LAS on the Origin field
      • For San Diego availability, replace MCO with SAN  on the Origin field
    • Origin Advanced Routing Code:
      • Routing Codes: aa+
      • Extension Codes: maxconnect 360
    • Destination:  AGP
    • Return Advanced Routing Code:
      • Routing Codes: aa+
      • Extension Codes: 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:

  • B (Basic Economy)
  • O (Regular Economy)

Sample Routing:

  • MCO – MIA (Miami) – MAD (Madrid) – AGP (Malaga) – MAD (Madrid) –  MIA – MCO

Sample Mileage:

  • Miles Flown: 9,746 miles or 4.8 cents per mile (Basic Economy) / 6.7 cents per mile (Regular Economy)
  • Loyalty Points: 2,605 points
  • Redeemable Miles: 2,605 miles

How to Buy:

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

American: San Diego / Denver / Houston / Las Vegas – Madrid, Spain. $451 (Basic Economy) / $631 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • Sample from San Diego
  • February 13th – 20th
    • This is a sample date. See below for more available travel dates

Fare Availability:

  • Valid for travel until early March or mid April for Sunday through Wednesday departures and Tuesday through Friday returns. A Sunday stay is required. 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 Denver availability, replace SAN with DEN on the Origin field
      • For Houston availability, replace SAN with IAH on the Origin field
      • For Las Vegas availability, replace SAN with LAS  on the Origin field
    • Origin Advanced Routing Code:
      • Routing Codes: aa aa
      • Extension Codes: maxconnect 360
    • Destination:  MAD
    • Return Advanced Routing Code:
      • Routing Codes: aa aa
      • Extension Codes: 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:

  • B (Basic Economy)
  • O (Regular Economy)

Sample Routing:

  • SAN – CLT (Charlotte) – MAD (Madrid) – CLT – SAN

Sample Mileage:

  • Miles Flown: 12,336 miles or 3.7 cents per mile (Basic Economy) / 5.1 cents per mile (Regular Economy)
  • Loyalty Points: 2,605 points
  • Redeemable Miles: 2,605 miles

How to Buy:

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