San Francisco – Cancun, Mexico. $304 (Basic Economy) / $424 (Regular Economy). Roundtrip, including all Taxes – The Flight Deal

Exciting sale to Cancun!

The fare of $424 is for a standard economy ticket, which includes advance seat selection and a regular-sized carry-on bag.

Delta offers a lower fare at $304, but this is a Basic Economy ticket. Please note that Basic Economy fares do not include options for advance seat selection, changes, or cancellations, and passengers will board last.

Playa, Cancun, Mexico – Photo by Gabriel Flores Romero via Flickr (Creative Commons License, By 2.0)

Sample Travel Date:

• January 25th – 29th, 2026

• This is just ONE SAMPLE travel date; for more options, please refer to the “Fare Availability” and “How to Search for Availability” sections below.

Fare Availability:

• This fare is valid for travel from mid-January 2026 to early March 2026, with departures on Sundays through Wednesdays and returns on Tuesdays through Fridays. Limited availability; tickets must be purchased at least 7 days prior to departure.

• Note: While this fare is valid at the time of posting, if this post is older than two days, the fare may no longer be available.

How to Search for Availability:

• This section is for checking availability only. To purchase tickets, please scroll down to the “How to Buy” section.

• Utilize the Matrix Airfare Search by ITA Software with the following criteria:
  • Origin: SFO
  • Advanced Routing Code:
    • Routing Codes: DL DL
    • Extension Codes: maxconnect 300
      • This instructs Matrix Airfare Search to look for the Basic Economy fare. Use those dates on Delta, and you’ll have the option to upgrade to standard economy fare.
  • Destination: CUN
  • Return Advanced Routing Code:
    • Routing Codes: DL DL
    • Extension Codes: maxconnect 300
  • (Click on the Advanced Codes link to enable advanced routing code input)
  • Select “See calendar of lowest fares”
  • Set duration to “3-10” (This is a sample; you can use any 7-day date range like 3-10, 7-14, etc.)
• Beginner’s Guide to Using Matrix by ITA Software
• How to Read Airfare Rules to Your Benefit

• The Matrix Airfare Search page should look like this once all values are entered:

• Tickets cannot be purchased using Matrix Airfare Search. Follow the instructions in the “How to Buy” section to make a purchase.

Fare Class:

• E (Basic Economy)
• V (Regular Economy)

Elite Qualifying Dollars:

Routing:

• SFO – MEX (Mexico City) – CUN (Cancun) – MEX – SFO

Stopover:

Mileage:

• Miles Flown: 5,346 miles or 5.7 cents per mile (Basic Economy) / 7.9 cents per mile (Regular Economy)
• Redeemable Miles: 1,180 miles

How to Buy:

• Book on Delta using the dates found on Matrix Airfare Search by ITA Software.

Accommodations

• TripAdvisor – one of the top hotel meta-search engines. Find the best hotel prices from over 200 sources.

Car Rentals

• Rental Cars – a leading global car rental agency, featuring all major brands like Hertz, Avis, Budget, Dollar, and Enterprise.

Activities and Tours

• Viator – the largest marketplace for destination activities and tours.

Background Information:

• Visa: Not required for US Citizens. Other nationals should consult the TIMATIC Visa Database.
• Currency: Mexican Peso (MXN) – $1 USD = 18.00 MXN

Tips for using credit cards at international destinations:

For the latest cheap flight deals from San Francisco/Bay Area:

* The Flight Deal earns a commission when you use booking links for accommodations, car rentals, activities, or apply for a credit card through our links. Thank you for your support!

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The Flight Deal does not sell travel products or services. We provide information on third-party travel suppliers and link to their sites. The details in our posts are current at the time of publication. However, we cannot guarantee that suppliers’ offers won’t change or become unavailable. For the most up-to-date info and terms, check their websites.