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SAT to STL

San Antonio to St Louis Flights

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.

Fare checked before payment All fees shown upfront Transparent cancellation policy 24×7 booking support
Lowest fare₹19,007American Airlines
Fastest3h 48mgate to gate
Options found35flights on this route
Find your flight SAT STL

Available Flights & Fares

Compare fares, timings and baggage. Pick the flight that suits your trip.

Prices in INR
35 flight options

Fares are checked again before payment.

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Sort by
AA
American Airlines
AA-2616
05:00
2026-10-30
San Antonio (SAT)San Antonio International
4H :20 M
1 Stop
DFW · 1h 11m Dallas (DFW), United States
09:20
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
United Airlines
United Airlines
UA-469
05:30
2026-10-30
San Antonio (SAT)San Antonio International
4H :32 M
1 Stop
IAH · 1h 29m Houston (IAH), United States
10:02
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1332
06:37
2026-10-30
San Antonio (SAT)San Antonio International
5H :33 M
1 Stop
ORD · 1h 09m Chicago (ORD), United States
12:10
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1332
06:37
2026-10-30
San Antonio (SAT)San Antonio International
7H :52 M
1 Stop
ORD · 3h 19m Chicago (ORD), United States
14:29
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 1 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
AA
American Airlines
AA-632
07:10
2026-10-30
San Antonio (SAT)San Antonio International
5H :50 M
1 Stop
ORD · 1h 20m Chicago (ORD), United States
13:00
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 3 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
United Airlines
United Airlines
UA-593
09:35
2026-10-30
San Antonio (SAT)San Antonio International
7H :15 M
1 Stop
IAH · 3h 58m Houston (IAH), United States
16:50
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1282
11:45
2026-10-30
San Antonio (SAT)San Antonio International
5H :05 M
1 Stop
IAH · 1h 48m Houston (IAH), United States
16:50
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1282
11:45
2026-10-30
San Antonio (SAT)San Antonio International
6H :53 M
1 Stop
IAH · 3h 38m Houston (IAH), United States
18:38
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 5 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1007
13:52
2026-10-30
San Antonio (SAT)San Antonio International
7H :07 M
1 Stop
DEN · 2h 41m Denver (DEN), United States
20:59
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-404
16:19
2026-10-30
San Antonio (SAT)San Antonio International
6H :07 M
1 Stop
IAH · 2h 55m Houston (IAH), United States
22:26
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-5805
17:30
2026-10-30
San Antonio (SAT)San Antonio International
5H :54 M
1 Stop
ORD · 1h 24m Chicago (ORD), United States
23:24
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 8 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-275
17:57
2026-10-30
San Antonio (SAT)San Antonio International
4H :29 M
1 Stop
IAH · 1h 16m Houston (IAH), United States
22:26
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
AA
American Airlines
AA-4488
18:38
2026-10-30
San Antonio (SAT)San Antonio International
5H :41 M
1 Stop
ORD · 1h 17m Chicago (ORD), United States
00:19
2026-10-31
St Louis (STL)Lambert-St Louis Intl
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
AA
American Airlines
AA-1075
19:54
2026-10-30
San Antonio (SAT)San Antonio International
3H :48 M
1 Stop
DFW · 0h 40m Dallas (DFW), United States
23:42
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Delta Air Lines
Delta Air Lines
DL-1073
05:30
2026-10-30
San Antonio (SAT)San Antonio International
5H :21 M
1 Stop
ATL · 1h 09m Atlanta (ATL), United States
10:51
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1073
05:30
2026-10-30
San Antonio (SAT)San Antonio International
7H :50 M
1 Stop
ATL · 3h 44m Atlanta (ATL), United States
13:20
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-998
07:50
2026-10-30
San Antonio (SAT)San Antonio International
5H :30 M
1 Stop
ATL · 1h 28m Atlanta (ATL), United States
13:20
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1408
13:41
2026-10-30
San Antonio (SAT)San Antonio International
7H :31 M
1 Stop
ATL · 3h 25m Atlanta (ATL), United States
21:12
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-2009
16:29
2026-10-30
San Antonio (SAT)San Antonio International
7H :25 M
1 Stop
ATL · 3h 17m Atlanta (ATL), United States
23:54
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1465
18:20
2026-10-30
San Antonio (SAT)San Antonio International
5H :34 M
1 Stop
ATL · 1h 24m Atlanta (ATL), United States
23:54
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
AA
American Airlines
AA-752
17:43
2026-10-30
San Antonio (SAT)San Antonio International
5H :59 M
1 Stop
DFW · 2h 49m Dallas (DFW), United States
23:42
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 5 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
United Airlines
United Airlines
UA-2158
14:20
2026-10-30
San Antonio (SAT)San Antonio International
4H :18 M
1 Stop
IAH · 1h 03m Houston (IAH), United States
18:38
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 3 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces

Recommended hotels in St Louis

Stay options near the arrival city for the same travel date.

Search hotels
AA
American Airlines
AA-1916
15:09
2026-10-30
San Antonio (SAT)San Antonio International
5H :48 M
1 Stop
ORD · 1h 24m Chicago (ORD), United States
20:57
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 4 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
AA
American Airlines
AA-752
17:43
2026-10-30
San Antonio (SAT)San Antonio International
4H :16 M
1 Stop
DFW · 1h 07m Dallas (DFW), United States
21:59
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
AA
American Airlines
AA-2934
18:00
2026-10-30
San Antonio (SAT)San Antonio International
5H :59 M
1 Stop
CLT · 1h 00m Charlotte (CLT), United States
23:59
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
AA
American Airlines
AA-2759
10:36
2026-10-30
San Antonio (SAT)San Antonio International
3H :54 M
1 Stop
DFW · 0h 47m Dallas (DFW), United States
14:30
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 4 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
No flights match the selected filters. Clear filters or open full search.

Airfare Highlights

From flights departing on Fri, 30 Oct 2026.

Lowest fare ₹19,007 American Airlines 05:00
Earliest departure ₹19,007 American Airlines 05:00
Shortest duration ₹19,007 American Airlines 19:54
Night 00:00-05:59 ₹19,007 American Airlines at 05:00
Morning 06:00-11:59 ₹19,007 United Airlines at 06:37
Afternoon 12:00-17:59 ₹19,007 United Airlines at 13:52
Evening 18:00-23:59 ₹19,007 American Airlines at 18:38

Departure & Arrival Airport Details

San Antonio (SAT)

San Antonio International

United States

GMT -6

Latitude: 29.533700942993164

Longitude: -98.46980285644531

St Louis (STL)

Lambert-St Louis Intl

United States

GMT -6

Latitude: 38.748697

Longitude: -90.370003

Distance: San Antonio (SAT), United States to St Louis (STL), United States - 1,265.88 km
Flights shown for 30 Oct 2026. View all flights opens the complete search result.
Route forecast

Weather in San Antonio and St Louis

Live forecast for both cities, 12 Oct to 15 Oct.

Departure city

San Antonio

Thu, 15 Oct
29°CCloudyLow 23°
92% humidity 3 km/h wind 8.6 mm rain
  • Mon30° / 21°
  • Tue31° / 24°
  • Wed31° / 25°
Arrival city

St Louis

Thu, 15 Oct
28°CClear skyLow 20°
72% humidity 12 km/h wind 0.2 mm rain
  • Mon24° / 15°
  • Tue30° / 17°
  • Wed28° / 18°

Forecast data from MET Norway, CC BY 4.0.

Smart travel dates

Holidays and peak dates for St Louis

Fares and hotel rates usually run higher around these dates. Booking earlier or moving your trip by a day or two often costs less.

Busiest periods: Summer travel (15 Jun – 31 Aug), Holiday season (18 Dec – 02 Jan).

  • 12OctColumbus DayMonday
  • 12OctColumbus DayMonday
  • 12OctIndigenous Peoples' DayMonday
  • 11NovVeterans DayWednesday
  • 26NovThanksgiving DayThursday
  • 25DecChristmas DayFriday

Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here, so check the exact date for your travel year.

Compare your journey

How to travel San Antonio to St Louis

Ways to make this trip that you can book on FlyX, compared by price and journey time.

OptionFromJourney timeAvailabilityAction
Connecting flight₹19,007Longer, includes a stop35 options

Air distance is about 1,266 km. 3 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 St Louis

Compare fares, stops, baggage and refundability across the airlines flying this route.

United Airlines Flights

from ₹19,00715 flights
Fares from
₹19,007
Non-stop
None in these results
Departures
15 in the list above

American Airlines Flights

from ₹19,00710 flights
Fares from
₹19,007
Non-stop
None in these results
Departures
10 in the list above

Delta Air Lines Flights

from ₹19,77610 flights
Fares from
₹19,776
Non-stop
None in these results
Departures
10 in the list above

Route Overview & Flight Facts

Fastest flight duration3h 48m · American Airlines
First departure of the day05:00 · American Airlines
Last departure of the day19:54 · American Airlines
Flight options found35
Airport codesSan Antonio–SAT, St Louis–STL

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

The search for Fri, 30 Oct found 35 flight options. The first flight leaves around 05:00 and the last around 19:54. The fastest flight takes about 3h 48m.

Morning vs Evening Departure Fares

Lowest fare by departure window: Night from ₹19,007, Morning from ₹19,007, Afternoon from ₹19,007, Evening from ₹19,007. 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 change with airline seat availability.

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. 1
    Enter your travel details

    Choose one-way or round-trip, pick your dates and travellers in the search form above.

  2. 2
    Compare search results

    Sort or filter the San Antonio–St Louis results by price, departure time, stops and airline.

  3. 3
    Open the fare choices

    Check baggage allowance and refundability for each fare type before continuing.

  4. 4
    Review the final price

    Review the refreshed supplier fare, coupon saving and selected payment-method fee before you pay.

  5. 5
    Pay securely

    UPI, cards, net banking and wallets supported; payment and ticket issuance have separate statuses. If issuance is pending, follow the booking status; the confirmed ticket is sent after issuance.

Why Book Your Flight with FlyX?

Compare the available San Antonio to St Louis 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.

Payment confirmation and ticket issuance are separate steps. If your booking is awaiting a PNR or ticket, follow its status and contact FlyX support when you need help. Your issued ticket contains the airline reference and itinerary. Change and cancellation charges depend on the purchased fare and any separately disclosed service fee.

Fare checked before paymentCoupon eligibility checkedBooking status trackingBooking support

Exclusive Flight Offers & Promo Coupons

Coupon codeOfferMax saving
FLYX20Up to 20% Off on Flights₹1,500

Check coupon eligibility and the final discount on the review page before you pay. View full terms.

Frequently Asked Questions

Is it worth booking San Antonio to St Louis 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. On the San Antonio to St Louis dates shown on this page, the lowest fare is on a Friday at ₹19,007. This can change from week to week.

How far is San Antonio from St Louis by air?

The direct air distance between San Antonio (SAT) and St Louis (STL) is about 1,266 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 STL?

Not on the dates shown here. Every San Antonio to St Louis option on this page has at least one stop. Non-stop service can differ by season and by day, so check nearby dates before you decide.

Which airlines fly San Antonio to St Louis?

United Airlines, American Airlines and Delta Air Lines are listed on this route for the dates shown here. 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 St Louis?

Every option on this page has at least one stop, and the shortest total journey time is about 3h 48m including the layover. Non-stop service on this route can vary by season and by day.

What is the cheapest San Antonio to St Louis flight fare?

The lowest San Antonio to St Louis fare on this page is ₹19,007. Fares on the same dates run up to ₹44,356, depending on airline, timing and fare type. Airline prices change often, so search your dates for the current fare.

What time do San Antonio to St Louis flights depart?

On the dates shown here, the first departure is around 05:00 and the last around 19:54, 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–STL, 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.

Fares shown are for departures on .

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.

For payment, ticket issuance or a change request, see FlyX support. About FlyX.

United States travel guide for Indian travellers

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.

Read the United States travel guide

What to Expect When Booking Your Flight

The SAT to STL 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: 1,265.88 km.

Before you book

Compare nearby dates

The date strip opens the complete search result for the route and selected date.

Use filters

Shortlist by price, stops, departure time and refundable fare preference.

Check fare choices

Continue to Booking opens the verified fare choices, including baggage and refundability, before review.

Lowest San Antonio to St Louis airfare, in 30 days and in 90 days

Cheapest FareFareDateAirlineDeparture
Lowest Airfare ₹19,007 30/10/2026 American Airlines 05:00
Cheapest Airfare Within 30 Days ₹18,627 07/11/2026 American Airlines 05:00
Cheapest Airfare Within 90 Days ₹18,057 06/01/2027 American Airlines 05:00

Book San Antonio to St Louis Flight Tickets on FlyX

FlyX lists each San Antonio to St Louis flight in these results with its fare, departure time, stops, layover airport and baggage, so you can compare air tickets side by side. To find a cheap ticket, sort by price and check what baggage the fare includes. The fare is checked with the airline again before you pay.

San Antonio to St Louis Flight Distance, Duration and Time

The aerial distance between San Antonio and St Louis is about 1,266 KM. In these results, journey times range from 3h 48m to 8h 1m. Flights with a layover take longer because the total includes the connection time.

San Antonio to St Louis Flight Schedule and Timing

The search for these dates returned 35 flight options. The first departure from San Antonio is at 05:00 and the last is at 19:54. Flights leave from San Antonio International and land at Lambert-St Louis Intl.

Flight Route Details & Analysis

Flight DetailsInformation
RouteSan Antonio to St Louis
Aerial Distance1,266 KM
Flight Duration3h 48m - 8h 1m
Airport CodesSan Antonio - SAT, St Louis - STL
Total Flights Available35 flights0 direct35 with layovers
First Flight DepartureDeparts at 05:00
Last Flight DepartureDeparts at 19:54
Early Morning Flights (12 AM - 8 AM)10 flights0 direct10 with layovers
Morning Flights (8 AM - 12 PM)8 flights0 direct8 with layovers
Afternoon Flights (12 PM - 4 PM)6 flights0 direct6 with layovers
Evening Flights (4 PM - 8 PM)11 flights0 direct11 with layovers
Night Flights (8 PM - 12 AM)No flights in this time slot

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.

STL: St. Louis airport. St. Louis 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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