Need help booking?
Unpublished phone-only deals available
SAT to SDU: distance & flight time
San Antonio (San Antonio International Airport) → Rio De Janeiro (Santos Dumont Airport)
5,160 mi
8,304 km · 4,484 nm
10h 35m
estimated nonstop flight time
+2h
time difference · heading southeast
See live SAT→SDU fares Phone-only fares on this route — call free
Flight time details
5,160 miles nonstop takes roughly 10h 35m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- SAT — San Antonio International Airport · San Antonio, United States
- SDU — Santos Dumont Airport · Rio De Janeiro, Brazil
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 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
Near SDU
- GIG · Rio Galeão – Tom Jobim International Airport9 mi away
- QNV · Aeroclube Airport22 mi away
- SNZ · Santa Cruz Air Force Base35 mi away
- CFB · Cabo Frio Airport69 mi away
Frequently asked questions
How far is SAT from SDU?
The flight distance from San Antonio (SAT) to Rio De Janeiro (SDU) is 5,160 miles (8,304 km, 4,484 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SAT to SDU?
A nonstop flight takes about 10h 35m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between San Antonio and Rio De Janeiro?
Rio De Janeiro is 2 hours ahead of San Antonio.
What is the cheapest way to fly from SAT to SDU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SAT–SDU that never appear on search engines, with no booking fees.