Cheap flights from San Antonio, TX to Denver, CO

Flights starting at $70. Choose between American Airlines, Linear Air, or United Airlines to find the best price.

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Cheapest one-way trip

$70

Cheapest nonstop round-trip

$70

Cheapest round-trip

$113

Average round-trip

$235

Includes rare itinerary

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One-way trips

Updated:

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Round trips

San Antonio SATDenver DEN

Frontier Airlines

$147

Updated:

796 miles
Distance
Duration
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Travelers usually depart from San Antonio International, San Antonio, San Antonio, TX Train Station, San Antonio-Patton Tareyton Tempo, or San Antonio-Pearl when they travel from San Antonio to Denver. Book your trip to arrive at Denver International, Denver Union Station, Centennial Airport, or Rocky Mountain Metropolitan Airport. The distance between San Antonio and Denver is 1281 km. The most popular airlines for this route are American Airlines, Linear Air, United Airlines, JetBlue Airways, and Frontier Airlines. San Antonio and Denver have 401 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights4443345
Fly direct with

Frontier Airlines on Tuesdays, Thursdays, and Sundays.

United 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 bookingOnline check-in available
American AirlinesAALAAYesNo
Linear Air O2YesNo
United AirlinesUALUAYesNo
JetBlue AirwaysJBUB6YesOpens 24 days before flight
Closes 2 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

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 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 Las Vegas, Mexico City, Orlando, Guadalajara, San Diego, Atlanta, Phoenix, Los Angeles, Washington, D.C., Cancún, Chicago, Raleigh, Salt Lake City, San José del Cabo, Philadelphia, New Orleans, San Juan, Paris, New York, Monterrey.
What are the most popular routes to and from Denver?
Travelers frequently search for route combinations, such as Denver and Chicago, Dallas, Minneapolis, Los Angeles, Washington, D.C., Houston, Orlando, San Francisco, Atlanta, Las Vegas, Austin, Phoenix, Philadelphia, San Diego, Miami, New York, Tampa, Detroit, Seattle, Salt Lake City.
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, Piedras Negras International, Laredo International, Corpus Christi International, Nuevo Laredo International, Easterwood, Victoria Regional, Del Rio International, Killeen–Fort Hood Regional.
What airports are near Denver?
The main airport in Denver is Denver International. It is also served by Colorado Springs, Laramie Regional, Cheyenne Regional, Eagle County Regional, Pueblo Memorial.
What buses and trains depart from San Antonio?
A number of bus and train companies depart from San Antonio, including Amtrak train, Greyhound.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Antonio and Denver?
Yes, it's possible to combine different modes of transport between San Antonio and Denver thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between San Antonio and Denver can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
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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