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WBU to SAT: distance & flight time
Boulder (Boulder Municipal Airport) → San Antonio (San Antonio International Airport)
820 mi
1,320 km · 713 nm
2h 15m
estimated nonstop flight time
+1h
time difference · heading southeast
See live WBU→SAT fares Phone-only fares on this route — call free
Flight time details
820 miles nonstop takes roughly 2h 15m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, United States
- SAT — San Antonio International Airport · San Antonio, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Near SAT
- RND · Randolph Air Force Base11 mi away
- SKF · Lackland Air Force Base12 mi away
- SSF · Stinson Municipal Airport14 mi away
- AUS · Austin Bergstrom International Airport66 mi away
Frequently asked questions
How far is WBU from SAT?
The flight distance from Boulder (WBU) to San Antonio (SAT) is 820 miles (1,320 km, 713 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to SAT?
A nonstop flight takes about 2h 15m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from WBU to SAT?
Nonstop service on WBU–SAT depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 2h 15m nonstop estimate.
What is the time difference between Boulder and San Antonio?
San Antonio is 1 hour ahead of Boulder.
What is the cheapest way to fly from WBU to SAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–SAT that never appear on search engines, with no booking fees.
Why are some WBU to SAT fares phone-only?
Consolidator contracts let us sell certain WBU–SAT tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.