Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.
SATDENSat, 03 Oct
Fare checked before payment No hidden charges Transparent cancellation policy 24×7 booking support
Lowest fareUS$134Delta Air Lines
Fastest2h 20mgate to gate
Options found46flights on this route
Find your flightSAT → DEN
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Prices in USD
46 flight options
Fares are checked again before payment.
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Fare RulesNon-refundable fare. Final rules are verified before booking.
United Airlines
UA-469
05:30
2026-10-03
San Antonio (SAT)San Antonio International
6H :42 M
1 Stop
IAH
· 3h 02m Houston (IAH), United States
11:12
2026-10-03
Denver (DEN)Denver International
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$174
Flight DetailsSAT to DEN - 6H :42 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
United Airlines
UA-469
05:30
2026-10-03
San Antonio (SAT)San Antonio International
7H :39 M
1 Stop
IAH
· 3h 59m Houston (IAH), United States
12:09
2026-10-03
Denver (DEN)Denver International
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$174
Flight DetailsSAT to DEN - 7H :39 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
United Airlines
UA-410
07:35
2026-10-03
San Antonio (SAT)San Antonio International
4H :37 M
1 Stop
IAH
· 0h 45m Houston (IAH), United States
11:12
2026-10-03
Denver (DEN)Denver International
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$174
Flight DetailsSAT to DEN - 4H :37 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
No flights match the selected filters. Clear filters or open full search.
Today's Airfare Highlights
Selected flight highlights for 03 Oct 2026.
Lowest fare$134Delta Air Lines06:35
Earliest departure$164American Airlines05:00
Shortest duration$164United Airlines09:00
Night
00:00-05:59
$164American Airlines at 05:00Morning
06:00-11:59
$134Delta Air Lines at 06:35Afternoon
12:00-17:59
$154Delta Air Lines at 12:29Evening
18:00-23:59
$164American Airlines at 19:05
Departure & Arrival Airport Details
San Antonio (SAT)
San Antonio International
United States
GMT -6
Latitude: 29.533700942993164
Longitude: -98.46980285644531
Denver (DEN)
Denver International
United States
GMT -7
Latitude: 39.861698150635
Longitude: -104.672996521
Distance: San Antonio (SAT), United States to Denver (DEN), United States - 1,279.94 km
Flights shown for 03 Oct 2026. View all flights opens the complete search result.
Fares and hotel rates usually run higher around these dates. Booking earlier — or shifting a day or two — often costs less.
Busiest periods: Summer travel (15 Jun – 31 Aug), Holiday season (18 Dec – 02 Jan).
12OctColumbus DayMonday · in 30 daysPeak
12OctColumbus DayMonday · in 30 daysPeak
12OctIndigenous Peoples' DayMonday · in 30 daysPeak
11NovVeterans DayWednesday · in 60 days
26NovThanksgiving DayThursday · in 75 days
25DecChristmas DayFriday · in 104 days
Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here — check the exact date for your travel year.
Compare your journey
How to travel San Antonio to Denver
Every option we can actually book for you, compared on price and journey time.
Connecting flight₹12,813Longer — includes a stop42 options
Air distance is about 1,280 km. 4 airlines operate this route.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from San Antonio to Denver
Compare fares, stops, baggage and refundability across the airlines flying this route.
UN
United Airlines Flights
from $16420 flights
Fares from
$164
Non-stop
4 in these results
Departures
20 — compare timings in the list above
AM
American Airlines Flights
from $16418 flights
Fares from
$164
Non-stop
None in these results
Departures
18 — compare timings in the list above
DE
Delta Air Lines Flights
from $1347 flights
Fares from
$134
Non-stop
None in these results
Departures
7 — compare timings in the list above
Route Overview & Flight Facts
Fastest flight duration
2h 20m · United Airlines
First departure of the day
05:00 · American Airlines
Last departure of the day
19:05 · American Airlines
Options in this snapshot
46
Direct / non-stop options
4
Airport codes
San Antonio–SAT, Denver–DEN
Fares and timings are indicative — the exact price is confirmed with the airline when you search.
Flight Schedule, Timings & Airfare Insights
Daily Flight Schedule & Travel Duration
Around 46 flights appear in the dated route snapshot, including 4 non-stop options. Departures run through the day — the first flight leaves around 05:00 and the last around 19:05. The fastest flight takes about 2h 20m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Morning from $134, Afternoon from $154, Night from $164, Evening from $164. These observations do not predict the cheapest departure window on other dates.
Cheapest Airfare & Best Time to Book
Search your travel dates to compare current fares — prices update continuously with airline inventory.
One-Way vs Round-Trip Fare Comparison
Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.
Online Web Check-In & Boarding Pass
Check the operating airline’s opening time and check-in deadline for each sector. Seat charges and availability depend on your fare. Use the airline reference and the links on Web Check-in.
How to Book Cheap Flights on FlyX
1
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2
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3
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4
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5
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Why Book Your Flight with FlyX?
Compare the available San Antonio to Denver options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.
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Frequently Asked Questions
Is it worth booking San Antonio to Denver flights in advance?
There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. Across the dates currently loaded for San Antonio to Denver, Saturday shows the lowest fare at $134. That is an observed snapshot for these dates, not a rule that holds every week.
How far is San Antonio from Denver by air?
The direct air distance between San Antonio (SAT) and Denver (DEN) is about 1,280 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from SAT to DEN?
Yes. 4 non-stop flights are showing on San Antonio to Denver for the dates currently loaded. Use the Stops filter to see only those.
Which airlines fly San Antonio to Denver?
United Airlines, American Airlines and Delta Air Lines are showing on this route for the dates currently loaded. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.
How long is the flight from San Antonio to Denver?
The quickest non-stop San Antonio to Denver flight currently loaded takes about 2h 20m. Across the non-stop options showing, block time ranges from 2h 20m to 2h 29m. Journeys with a stop take longer, since the total includes the layover.
What is the cheapest San Antonio to Denver flight fare?
The lowest fare showing on San Antonio to Denver for the dates currently loaded is $134. Fares on the same dates run up to $555, depending on airline, timing and fare type. Airline pricing moves continuously, so treat this as a dated observation rather than a fixed price.
What time do San Antonio to Denver flights depart?
For the dates currently loaded the first departure is around 05:00 and the last is around 19:05, local time at San Antonio. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.
Why does the price change after clicking Book Now?
Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay - if it has moved, you see the new figure before any payment.
Before you book this route
Check the airport codes SAT–DEN, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.
Where these fares come from
The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price — run a search to see what is available for your own dates.
Last checked .
Check official travel requirements
Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.
Planning more than the flight? Our United States guide covers the visa process for Indian passport holders, best time to go, how long to plan for, and which places are worth the days you have. Long-haul city breaks and national parks.
The SAT to DEN cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.
Approx route distance: 1,279.94 km.
Before you book
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Lowest San Antonio to Denver airfare today, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare Today
$134
03/10/2026
Delta Air Lines
06:35
Cheapest Airfare Within 30 Days
$131
12/10/2026
Delta Air Lines
06:35
Cheapest Airfare Within 90 Days
$127
11/12/2026
Delta Air Lines
06:35
Book San Antonio to Denver Flight Tickets on FlyX
Planning to fly from San Antonio to Denver? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.
San Antonio to Denver Flight Distance, Duration and Time
The aerial distance between San Antonio and Denver is approximately 1,280 KM. The flight duration ranges from 2H :20 M up to 18H :36 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
San Antonio to Denver Flight Schedule and Timing
Around 46 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from San Antonio at 05:00, while the last night flight leaves at 19:05. Flights depart from San Antonio International and land at Denver International.
Flight Route Details & Analysis
Flight Details
Information
Route
San Antonio to Denver
Aerial Distance
1,280 KM
Flight Duration
2H :20 M - 18H :36 M
Airport Codes
San Antonio - SAT, Denver - DEN
Total Flights Available
46 flights (4 direct)
First Flight Departure
Departs at 05:00
Last Flight Departure
Departs at 19:05
Early Morning Flights (12 AM - 8 AM)
16 direct/indirect flights
Morning Flights (8 AM - 12 PM)
13 direct/indirect flights
Afternoon Flights (12 PM - 4 PM)
8 direct/indirect flights
Evening Flights (4 PM - 8 PM)
9 direct/indirect flights
Night Flights (8 PM - 12 AM)
0 direct/indirect flights
Airport Information & Terminals
SAT: San Antonio airport. San Antonio airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
DEN: Denver airport. Denver airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
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San Antonio International