--- title: "Mexico City to St. Augustine cheap flights (MEX to UST) - Expedia" description: "Cheap Flights from Mexico City (MEX) to St. Augustine (UST) start at for one-way and for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.com/lp/flights/mex/ust/mexico-city-to-st-augustine" language: en-US market: US currency: USD prices_as_of: 2026-11-15T17:09:06Z --- # Cheap Flights from Mexico City (MEX) to St. Augustine (UST) ![A historic building with two towers, a fountain, and palm trees.](https://images.trvl-media.com/place/6069639/29b06ac6-d5a9-41e8-8e06-7c06c911493f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ## Popular airlines from Benito Juarez International Airport (MEX) to St. Augustine, FL (UST-Northeast Florida Regional) [American Airlines](https://www.expedia.com/Flights-Search?leg1=from:MEX,to:UST,departure:11/29/2026TANYT&leg2=from:UST,to:MEX,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) [United](https://www.expedia.com/Flights-Search?leg1=from:MEX,to:UST,departure:11/29/2026TANYT&leg2=from:UST,to:MEX,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) [Southwest Airlines](https://www.expedia.com/Flights-Search?leg1=from:MEX,to:UST,departure:11/29/2026TANYT&leg2=from:UST,to:MEX,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) [Delta](https://www.expedia.com/Flights-Search?leg1=from:MEX,to:UST,departure:11/29/2026TANYT&leg2=from:UST,to:MEX,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) [Frontier Airlines](https://www.expedia.com/Flights-Search?leg1=from:MEX,to:UST,departure:11/29/2026TANYT&leg2=from:UST,to:MEX,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) [JetBlue Airways](https://www.expedia.com/Flights-Search?leg1=from:MEX,to:UST,departure:11/29/2026TANYT&leg2=from:UST,to:MEX,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) [Alaska Airlines](https://www.expedia.com/Flights-Search?leg1=from:MEX,to:UST,departure:11/29/2026TANYT&leg2=from:UST,to:MEX,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Book with confidence ### Mexico City to St. Augustine Flights #### The cheapest times to fly from Mexico City to St. Augustine On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Mexico City to St. Augustine are during the month of . You can find some of the cheapest flights from Mexico City to St. Augustine with Expedia's search tool and vast selection of airlines. #### The best time to book a flight from Mexico City to St. Augustine Sunday is one of the best days to book for cheap flights from Mexico City to St. Augustine: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. #### How to find cheap round-trip tickets from Mexico City to St. Augustine Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Mexico City to St. Augustine in 2026\. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Mexico City to St. Augustine flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Mexico City to St. Augustine airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. *\*Terms apply.* *Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages.* ## Frequently Asked Questions ### How much does a flight from Mexico City Intl. Airport (MEX) to Northeast Florida Regional Airport (UST) cost? Secure a cheap one-way flight or cheap return flight from Mexico City Intl. Airport (MEX) to Northeast Florida Regional Airport (UST) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route. ### What is the cheapest month to fly from Mexico City Intl. Airport (MEX) to Northeast Florida Regional Airport (UST)? Planning your trip for is a good way to save, as it's the cheapest month for flights between MEX and UST. You'll often find the lowest fares during off-peak months. ### What is the cheapest airline that flies from Mexico City Intl. Airport (MEX) to Northeast Florida Regional Airport (UST)? Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from MEX to UST. Then, sort your results by "Price (lowest to highest)" to snap up a great deal. ### How many flights per day from Mexico City Intl. Airport (MEX) to Northeast Florida Regional Airport (UST)? There aren't any daily direct flights available from Mexico City Intl. Airport (MEX) to Northeast Florida Regional Airport (UST). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it. ### What day of the week has the most flights from MEX to UST? You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.\* However this can vary from season to season and during public holidays or peak travel times. *\*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.* ### What is the best time to fly from Mexico City Intl. Airport (MEX) to Northeast Florida Regional Airport (UST)? To reach Northeast Florida Regional Airport (UST) on time, opt for a flight that takes off from Mexico City Intl. Airport (MEX) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.\* *\*Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.* ### Is it cheaper to buy a plane ticket from Mexico City Intl. Airport (MEX) to Northeast Florida Regional Airport (UST) last-minute? Booking your flight from MEX to UST right before your journey is usually more expensive. However, if there's some wiggle room with your departure dates and times, you could grab a cheap last-minute fare. ### Is it cheaper to book a MEX to UST flight and hotel package? Opting for a MEX to UST [flight and hotel package](https://www.expedia.com/St-Augustine.d6047864.Destination-Travel-Guides) tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our extensive range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars. ### Can I cancel or change the date of my flight from Mexico City Intl. Airport (MEX) to Northeast Florida Regional Airport (UST)? In most instances, you can reschedule or cancel your MEX to UST flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Double-check [your itinerary](https://www.expedia.com/trips) for the airline's fees and policies on flight changes, or if you want more information, visit our [Customer Service portal](https://www.expedia.com/helpcenter). ## Travel information | Origin airport | Benito Juarez International Airport | | ------------------- | ----------------------------------- | | Destination airport | St. Augustine, FL | | Distance | 1,327 miles away | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Miami (MIA) to St. Augustine (UST)](https://www.expedia.com/lp/flights/mia/ust/miami-to-st-augustine) - [Flights from San Antonio (SAT) to St. Augustine (UST)](https://www.expedia.com/lp/flights/sat/ust/san-antonio-to-st-augustine) - [Flights from Lexington (LEX) to St. Augustine (UST)](https://www.expedia.com/lp/flights/lex/ust/lexington-to-st-augustine) - [Flights from Greensboro (GSO) to St. Augustine (UST)](https://www.expedia.com/lp/flights/gso/ust/greensboro-to-st-augustine) - [Flights from New York (LGA) to St. Augustine (UST)](https://www.expedia.com/lp/flights/lga/ust/new-york-to-st-augustine) - [Flights from Newark Liberty Intl. 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[Flights from Atlantic City (ACY) to St. Augustine (UST)](https://www.expedia.com/lp/flights/acy/ust/atlantic-city-to-st-augustine) - [Flights from Portland (PDX) to St. Augustine (UST)](https://www.expedia.com/lp/flights/pdx/ust/portland-to-st-augustine) - [Flights from Albany (ALB) to St. Augustine (UST)](https://www.expedia.com/lp/flights/alb/ust/albany-to-st-augustine) - [Flights from Minneapolis (MSP) to St. Augustine (UST)](https://www.expedia.com/lp/flights/msp/ust/minneapolis-to-st-augustine) - [Flights from New York (JFK) to St. Augustine (UST)](https://www.expedia.com/lp/flights/jfk/ust/new-york-to-st-augustine) - [Flights from Miami (MIA) to Jacksonville (JAX)](https://www.expedia.com/lp/flights/mia/jax/miami-to-jacksonville) - [Flights from Dallas (DFW) to St. Augustine (UST)](https://www.expedia.com/lp/flights/dfw/ust/dallas-to-st-augustine) - [Flights from Boston (BOS) to Jacksonville (JAX)](https://www.expedia.com/lp/flights/bos/jax/boston-to-jacksonville) - [Flights from Augusta (AGS) to St. Augustine (UST)](https://www.expedia.com/lp/flights/ags/ust/augusta-to-st-augustine) - 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Airport (LAL) to St. Augustine (UST)](https://www.expedia.com/lp/flights/lal/ust/lakeland-intl-airport-to-st-augustine) - [Flights from Kansas City (MCI) to St. Augustine (UST)](https://www.expedia.com/lp/flights/mci/ust/kansas-city-to-st-augustine) - [Flights from Louisville (SDF) to St. Augustine (UST)](https://www.expedia.com/lp/flights/sdf/ust/louisville-to-st-augustine) - [Flights from Pensacola (PNS) to St. Augustine (UST)](https://www.expedia.com/lp/flights/pns/ust/pensacola-to-st-augustine) - [Flights from Naples (APF) to St. Augustine (UST)](https://www.expedia.com/lp/flights/apf/ust/naples-to-st-augustine) - [Flights from Cincinnati (CVG) to St. Augustine (UST)](https://www.expedia.com/lp/flights/cvg/ust/cincinnati-to-st-augustine) - [Flights from Boca Raton (BCT) to St. Augustine (UST)](https://www.expedia.com/lp/flights/bct/ust/boca-raton-to-st-augustine) - [Flights from Fayetteville (XNA) to St. Augustine (UST)](https://www.expedia.com/lp/flights/xna/ust/fayetteville-to-st-augustine) - [Flights from Melbourne (MLB) to St. Augustine (UST)](https://www.expedia.com/lp/flights/mlb/ust/melbourne-to-st-augustine) - [Flights from Venice (VCE) to St. Augustine (UST)](https://www.expedia.com/lp/flights/vce/ust/venice-to-st-augustine) - [Flights from Peoria (PIA) to St. Augustine (UST)](https://www.expedia.com/lp/flights/pia/ust/peoria-to-st-augustine) - [Flights from Raleigh (RDU) to St. Augustine (UST)](https://www.expedia.com/lp/flights/rdu/ust/raleigh-to-st-augustine) - [Flights from Manchester (MHT) to St. Augustine (UST)](https://www.expedia.com/lp/flights/mht/ust/manchester-to-st-augustine) - [Flights from Wilkes-Barre (AVP) to St. Augustine (UST)](https://www.expedia.com/lp/flights/avp/ust/wilkes-barre-to-st-augustine) - [Flights from Seattle (SEA) to St. Augustine (UST)](https://www.expedia.com/lp/flights/sea/ust/seattle-to-st-augustine) - [Flights from Richmond (RIC) to St. Augustine (UST)](https://www.expedia.com/lp/flights/ric/ust/richmond-to-st-augustine) - [Flights from Gulfport (GPT) to St. Augustine (UST)](https://www.expedia.com/lp/flights/gpt/ust/gulfport-to-st-augustine) - [Flights from Kissimmee (ISM) to St. Augustine (UST)](https://www.expedia.com/lp/flights/ism/ust/kissimmee-to-st-augustine) - [Flights from Washington (IAD) to St. Augustine (UST)](https://www.expedia.com/lp/flights/iad/ust/washington-to-st-augustine) - [Flights from Sarasota (SRQ) to St. Augustine (UST)](https://www.expedia.com/lp/flights/srq/ust/sarasota-to-st-augustine) - [Flights from Chicago (ORD) to Jacksonville (JAX)](https://www.expedia.com/lp/flights/ord/jax/chicago-to-jacksonville) - [Flights from Harrisburg (MDT) to St. Augustine (UST)](https://www.expedia.com/lp/flights/mdt/ust/harrisburg-to-st-augustine) - [Flights from Philadelphia (PHL) to St. Augustine (UST)](https://www.expedia.com/lp/flights/phl/ust/philadelphia-to-st-augustine) - [Flights from St. Petersburg (PIE) to St. Augustine (UST)](https://www.expedia.com/lp/flights/pie/ust/st-petersburg-to-st-augustine) - [Flights from Gainesville (GNV) to St. Augustine (UST)](https://www.expedia.com/lp/flights/gnv/ust/gainesville-to-st-augustine) - [Flights from Hartford (BDL) to St. Augustine (UST)](https://www.expedia.com/lp/flights/bdl/ust/hartford-to-st-augustine) - [Flights from Fort Lauderdale (FLL) to St. Augustine (UST)](https://www.expedia.com/lp/flights/fll/ust/fort-lauderdale-to-st-augustine) - [Flights from Washington (DCA) to St. Augustine (UST)](https://www.expedia.com/lp/flights/dca/ust/washington-to-st-augustine) - [Flights from Philadelphia (PHL) to Jacksonville (JAX)](https://www.expedia.com/lp/flights/phl/jax/philadelphia-to-jacksonville) - [Flights from Islip (ISP) to St. Augustine (UST)](https://www.expedia.com/lp/flights/isp/ust/islip-to-st-augustine) - [Flights from Newark Liberty Intl. Airport (EWR) to St. Augustine (UST)](https://www.expedia.com/lp/flights/ewr/ust/newark-liberty-intl-airport-to-st-augustine) - [Flights from Norfolk (ORF) to St. Augustine (UST)](https://www.expedia.com/lp/flights/orf/ust/norfolk-to-st-augustine) - [Flights from Cleveland (CLE) to St. Augustine (UST)](https://www.expedia.com/lp/flights/cle/ust/cleveland-to-st-augustine) - [Flights from Milwaukee (MKE) to St. Augustine (UST)](https://www.expedia.com/lp/flights/mke/ust/milwaukee-to-st-augustine) - [Flights from Detroit (DTW) to St. Augustine (UST)](https://www.expedia.com/lp/flights/dtw/ust/detroit-to-st-augustine) - [Flights from Grand Rapids (GRR) to St. Augustine (UST)](https://www.expedia.com/lp/flights/grr/ust/grand-rapids-to-st-augustine) - [Flights from Houston (IAH) to St. Augustine (UST)](https://www.expedia.com/lp/flights/iah/ust/houston-to-st-augustine) - [Flights from Denver (DEN) to St. Augustine (UST)](https://www.expedia.com/lp/flights/den/ust/denver-to-st-augustine) - [Flights from New York (NYC) to St. Augustine (UST)](https://www.expedia.com/lp/flights/nyc/ust/new-york-to-st-augustine) - [Flights from Nashville (BNA) to St. Augustine (UST)](https://www.expedia.com/lp/flights/bna/ust/nashville-to-st-augustine) - [Flights from Akron (CAK) to St. Augustine (UST)](https://www.expedia.com/lp/flights/cak/ust/akron-to-st-augustine) - [Flights from Indianapolis (IND) to St. Augustine (UST)](https://www.expedia.com/lp/flights/ind/ust/indianapolis-to-st-augustine) - [Flights from Las Vegas (LAS) to St. Augustine (UST)](https://www.expedia.com/lp/flights/las/ust/las-vegas-to-st-augustine) \*Available to One Key members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/mex/ust/mexico-city-to-st-augustine en-US: https://www.expedia.com/lp/flights/mex/ust/mexico-city-to-st-augustine es: https://www.expedia.com/es/lp/vuelos/mex/ust/ciudad-de-mexico-a-st-augustine ar: https://www.expedia.sa/lp/flights/mex/ust/mexico-city-to-st-augustine ```