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RND to SEA: distance & flight time
San Antonio (Randolph Air Force Base) → Seattle (Seattle Tacoma International Airport)
1,781 mi
2,866 km · 1,548 nm
3h 58m
estimated nonstop flight time
-2h
time difference · heading northwest
See live RND→SEA fares Phone-only fares on this route — call free
Flight time details
1,781 miles nonstop takes roughly 3h 58m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- RND — Randolph Air Force Base · San Antonio, United States
- SEA — Seattle Tacoma International Airport · Seattle, 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 RND
- SAT · San Antonio International Airport11 mi away
- SSF · Stinson Municipal Airport18 mi away
- AUS · Austin Bergstrom International Airport59 mi away
- SKF · Lackland Air Force Base21 mi away
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Frequently asked questions
How far is RND from SEA?
The flight distance from San Antonio (RND) to Seattle (SEA) is 1,781 miles (2,866 km, 1,548 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RND to SEA?
A nonstop flight takes about 3h 58m 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 Seattle?
Seattle is 2 hours behind San Antonio.
What is the cheapest way to fly from RND to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RND–SEA that never appear on search engines, with no booking fees.