Flight
Driving
Billings to San Antonio
Updated: 28 May 2026
The journey from Billings to San Antonio covers approximately 1,600 miles. You will travel south on I-25, then through various highways to reach I-35 in Texas. This is a long, multi-day drive, typically taking 25 to 27 hours. Alternatively, you can fly from Billings Logan International to San Antonio International Airport.
Total Distance: 2,570 km driving distance, 1,900 km air distance.
Fastest Way
Flying is the fastest method, taking 4.5 hours.
Cheapest Way
Driving is cheaper for groups, while flying is much faster.
Compare Billings to San Antonio Routes
|
Direct
|
Direct
|
|
|---|---|---|
| Duration | 4 hours 30 mins | 26 hours |
| Avg Price | $350-$650 | $350-$450 in fuel |
| Operator | American Airlines | Personal Vehicle |
| Route | BIL to SAT airport. | I-25 to I-35. |
| Tip | American Airlines offers convenient connections to SAT. | Plan for at least two overnight stops. |
Travel Tips
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TrafficSan Antonio traffic is heavy; avoid driving during rush hours.
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Overnight StopsPlan to stay in Denver and Dallas.
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ParkingParking in San Antonio is expensive; look for hotels with included parking.
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WeatherSan Antonio is hot and humid; pack light clothing.
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BookingBook your flight and hotel well in advance.
Safety Tips
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Desert DrivingCheck your car's fluids and tires before the long drive.
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Emergency SuppliesCarry extra water and a first-aid kit in your vehicle.
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SpeedingState patrols are very active on I-35.
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FatigueDo not drive while tired; the long, straight roads can be hypnotic.
People Also Ask
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Is the drive scenic?Yes, the route through the Rockies and the Texas plains is beautiful.
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Are there trains?No, there is no direct passenger rail service from Billings to San Antonio.
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What is the best stop?Dallas is a great place to break the drive.
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Is I-35 safe?Yes, it is a major interstate, but be mindful of traffic.
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How long is the flight?The flight time is approximately 4.5 hours.
Quick Info
- From Billings, Montana, United States
- To San Antonio, Texas, United States
-
Modes
Best Time to Travel
Spring or autumn to avoid the summer heat of Texas.
Things to Do in San Antonio
1
The Alamo
A historic mission and site of the famous battle.
2
River Walk
A beautiful network of walkways along the San Antonio River.
3
San Antonio Missions National Historical Park
A UNESCO World Heritage site.
4
Tower of the Americas
A famous tower offering panoramic views of the city.
Tags
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