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SEP to AST: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Astoria (Astoria Regional Airport)
1,668 mi
2,684 km · 1,449 nm
3h 44m
estimated nonstop flight time
-2h
time difference · heading northwest
See live SEP→AST fares Phone-only fares on this route — call free
Flight time details
1,668 miles nonstop takes roughly 3h 44m 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
- SEP — Stephenville Clark Regional Airport · Stephenville, United States
- AST — Astoria Regional Airport · Astoria, 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Near AST
- KLS · Southwest Washington Regional Airport47 mi away
- OTK · Tillamook Airport51 mi away
- HQM · Bowerman Airport56 mi away
- CLS · Chehalis Centralia Airport56 mi away
Frequently asked questions
How far is SEP from AST?
The flight distance from Stephenville (SEP) to Astoria (AST) is 1,668 miles (2,684 km, 1,449 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to AST?
A nonstop flight takes about 3h 44m 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 Stephenville and Astoria?
Astoria is 2 hours behind Stephenville.
What is the cheapest way to fly from SEP to AST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–AST that never appear on search engines, with no booking fees.