Cheap flights from San Antonio to Denver

Choose between Southwest Airlines, United Airlines, or Frontier Airlines to find the best price

Travelers usually depart from San Antonio International, San Antonio, San Antonio Train Station, San Antonio-Probandt & King Roger, or San Antonio-Turimex Internacional when they travel from San Antonio to Denver. Book your trip to arrive at Denver International, Denver Union Station, or Denver Greyhound station. The distance between San Antonio and Denver is 1281 km. The most popular airlines for this route are Southwest Airlines, United Airlines, Frontier Airlines, American Airlines, and Delta Air Lines. San Antonio and Denver have 211 direct flights per week.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights45242449-3237

Fly direct with

Frontier Airlines on Mondays, Wednesdays, Fridays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Southwest Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from San Antonio to Denver

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
Southwest AirlinesSWAWNNoUnknownNo
United AirlinesUALUAYesUnknownNo
Frontier AirlinesFFTF9NoUnknownNo
American AirlinesAALAAYesUnknownNo
Delta Air LinesDALDLYesUnknownNo

Frequently asked questions

How long does it take to travel from San Antonio to Denver?

A one-way nonstop (direct) flight between San Antonio and Denver takes around 2.3 hours.

What is the flight distance between San Antonio and Denver?

The flight distance between San Antonio and Denver is 1281 km.

What airlines offer nonstop (direct) flights between San Antonio and Denver?

Several carriers operate flights between San Antonio and Denver. Airlines offering nonstop (direct) flights include Southwest Airlines, Frontier Airlines, United Airlines.

What are the most popular routes to and from San Antonio?

Travelers frequently search for route combinations, such as San Antonio and McCarran International, Miami International, Orlando International, Denver International, San Francisco International, Phoenix Sky Harbor International, Minneapolis–Saint Paul International, Philadelphia International, Salt Lake City International, Charlotte Douglas International, Nashville International.

What are the most popular routes to and from Denver?

Travelers frequently search for route combinations, such as Denver and Los Angeles International, McCarran International, Miami International, Dallas/Fort Worth International, George Bush Intercontinental, Phoenix Sky Harbor International, O Hare International, Minneapolis–Saint Paul International, Austin–Bergstrom International, Detroit Metropolitan, Sacramento International.

What airports are near San Antonio?

The main airport in San Antonio is San Antonio International. It is also served by Austin–Bergstrom International, San Antonio International, Nuevo Laredo International, Laredo International, Killeen–Fort Hood Regional, Corpus Christi International, Piedras Negras International, Easterwood, Del Rio International, Victoria Regional.

What airports are near Denver?

The main airport in Denver is Rocky Mountain Metropolitan Airport. It is also served by Colorado Springs, Laramie Regional, Pueblo Memorial, Cheyenne Regional, Eagle County Regional.

What buses and trains depart from San Antonio?

A number of bus and train companies depart from San Antonio, including Greyhound.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Antonio and Denver?

What is Virtual Interlining and how do I use it?

Which airlines fly between San Antonio and Denver?

When's the best time to travel between San Antonio and Denver?

What flights operate between San Antonio and Denver?

How many airports are there near San Antonio?

How many airports are there near Denver?

Is it possible to reach San Antonio by bus or train?

What time do nonstop (direct) flights between San Antonio and Denver depart?

What time do nonstop (direct) flights between San Antonio and Denver arrive?

What time do flights between San Antonio and Denver depart?

What time do flights between San Antonio and Denver arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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