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.
HRLSATSat, 03 Oct
Fare checked before payment No hidden charges Transparent cancellation policy 24×7 booking support
Lowest fareUS$163United Airlines
Fastest3h 28mgate to gate
Options found40flights on this route
Find your flightHRL → SAT
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Prices in USD
40 flight options
Fares are checked again before payment.
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La Quinta Inn & Suites by Wyndham San Antonio Medical Ctr NW
4431 Horizon Hill Blvd, 78229
Room availability is checked live
$77per night+ taxes if applicable
1 Night • 3 Star
3.0Very GoodLive availability
Best Western SeaWorld San Antonio
1605 West Loop 1604 South ,
Room availability is checked live
$76per night+ taxes if applicable
1 Night • 3 Star
AA
American Airlines
AA-3818
05:51
2026-10-03
Harlingen (HRL)Valley International
4H :10 M
1 Stop
DFW
· 1h 10m Dallas (DFW), United States
10:01
2026-10-03
San Antonio (SAT)San Antonio International
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 2 Pieces
$604
Flight DetailsHRL to SAT - 4H :10 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
AA
American Airlines
AA-3818
05:51
2026-10-03
Harlingen (HRL)Valley International
6H :00 M
1 Stop
DFW
· 3h 01m Dallas (DFW), United States
11:51
2026-10-03
San Antonio (SAT)San Antonio International
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 2 Pieces
$604
Flight DetailsHRL to SAT - 6H :00 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
AA
American Airlines
AA-3473
10:45
2026-10-03
Harlingen (HRL)Valley International
4H :52 M
1 Stop
DFW
· 2h 00m Dallas (DFW), United States
15:37
2026-10-03
San Antonio (SAT)San Antonio International
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 2 Pieces
$604
Flight DetailsHRL to SAT - 4H :52 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
AA
American Airlines
AA-3816
15:35
2026-10-03
Harlingen (HRL)Valley International
4H :15 M
1 Stop
DFW
· 1h 23m Dallas (DFW), United States
19:50
2026-10-03
San Antonio (SAT)San Antonio International
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 2 Pieces
$604
Flight DetailsHRL to SAT - 4H :15 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 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$163United Airlines05:05
Earliest departure$163United Airlines05:05
Shortest duration$223United Airlines07:15
Night
00:00-05:59
$163United Airlines at 05:05Morning
06:00-11:59
$223United Airlines at 07:15Afternoon
12:00-17:59
$223United Airlines at 14:00Evening
18:00-23:59
No optionOpen full search for more
Departure & Arrival Airport Details
Harlingen (HRL)
Valley International
United States
GMT -6
Latitude: 26.228500366210938
Longitude: -97.65440368652344
San Antonio (SAT)
San Antonio International
United States
GMT -6
Latitude: 29.533700942993164
Longitude: -98.46980285644531
Distance: Harlingen (HRL), United States to San Antonio (SAT), United States - 376.15 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 29 daysPeak
12OctColumbus DayMonday · in 29 daysPeak
12OctIndigenous Peoples' DayMonday · in 29 daysPeak
11NovVeterans DayWednesday · in 59 days
26NovThanksgiving DayThursday · in 74 days
25DecChristmas DayFriday · in 103 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 Harlingen to San Antonio
Every option we can actually book for you, compared on price and journey time.
OptionFromJourney timeAvailability
Connecting flight₹15,582Longer — includes a stop40 options
Air distance is about 376 km. FlyX does not currently sell a bus on this pair. 2 airlines operate this route.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from Harlingen to San Antonio
Compare fares, stops, baggage and refundability across the airlines flying this route.
AM
American Airlines Flights
from $39921 flights
Fares from
$399
Non-stop
None in these results
Departures
21 — compare timings in the list above
UN
United Airlines Flights
from $16319 flights
Fares from
$163
Non-stop
None in these results
Departures
19 — compare timings in the list above
Route Overview & Flight Facts
Fastest flight duration
3h 28m · United Airlines
First departure of the day
05:05 · United Airlines
Last departure of the day
17:28 · American Airlines
Options in this snapshot
40
Airport codes
Harlingen–HRL, San Antonio–SAT
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 40 flights appear in the dated route snapshot. Departures run through the day — the first flight leaves around 05:05 and the last around 17:28. The fastest flight takes about 3h 28m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Night from $163, Morning from $223, Afternoon from $223. 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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Choose one-way or round-trip, pick your dates and travellers in the search form above.
2
Compare search results
Sort or filter the Harlingen–San Antonio results by price, departure time, stops and airline.
3
Open the fare choices
Check baggage allowance and refundability for each fare type before continuing.
4
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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 Harlingen to San Antonio 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.
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Frequently Asked Questions
Is it worth booking Harlingen to San Antonio 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 Harlingen to San Antonio, Saturday shows the lowest fare at $163. That is an observed snapshot for these dates, not a rule that holds every week.
How far is Harlingen from San Antonio by air?
The direct air distance between Harlingen (HRL) and San Antonio (SAT) is about 376 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from HRL to SAT?
Not for the dates currently loaded - every Harlingen to San Antonio option showing right now has at least one stop. Non-stop service can differ by season and by day, so it is worth checking nearby dates before you decide.
Which airlines fly Harlingen to San Antonio?
American Airlines and United Airlines 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 Harlingen to San Antonio?
Every option currently loaded has at least one stop, and the shortest total journey time is about 3h 28m including the layover. Non-stop service on this route can vary by season and by day.
What is the cheapest Harlingen to San Antonio flight fare?
The lowest fare showing on Harlingen to San Antonio for the dates currently loaded is $163. Fares on the same dates run up to $1,133, 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 Harlingen to San Antonio flights depart?
For the dates currently loaded the first departure is around 05:05 and the last is around 17:28, local time at Harlingen. 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 HRL–SAT, 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 HRL to SAT 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: 376.15 km.
Before you book
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Continue to Booking opens the verified fare choices, including baggage and refundability, before review.
Lowest Harlingen to San Antonio airfare today, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare Today
$163
03/10/2026
United Airlines
05:05
Cheapest Airfare Within 30 Days
$160
13/10/2026
United Airlines
05:05
Cheapest Airfare Within 90 Days
$155
12/12/2026
United Airlines
05:05
Book Harlingen to San Antonio Flight Tickets on FlyX
Planning to fly from Harlingen to San Antonio? 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.
Harlingen to San Antonio Flight Distance, Duration and Time
The aerial distance between Harlingen and San Antonio is approximately 376 KM. The flight duration ranges from 3H :28 M up to 18H :13 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
Harlingen to San Antonio Flight Schedule and Timing
Around 40 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from Harlingen at 05:05, while the last night flight leaves at 17:28. Flights depart from Valley International and land at San Antonio International.
Flight Route Details & Analysis
Flight Details
Information
Route
Harlingen to San Antonio
Aerial Distance
376 KM
Flight Duration
3H :28 M - 18H :13 M
Airport Codes
Harlingen - HRL, San Antonio - SAT
Total Flights Available
40 flights (0 direct)
First Flight Departure
Departs at 05:05
Last Flight Departure
Departs at 17:28
Early Morning Flights (12 AM - 8 AM)
24 direct/indirect flights
Morning Flights (8 AM - 12 PM)
5 direct/indirect flights
Afternoon Flights (12 PM - 4 PM)
8 direct/indirect flights
Evening Flights (4 PM - 8 PM)
3 direct/indirect flights
Night Flights (8 PM - 12 AM)
0 direct/indirect flights
Airport Information & Terminals
HRL: Harlingen airport. Harlingen 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.
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.
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Valley International