Need help booking?
Unpublished phone-only deals available
AST to SEA: distance & flight time
Astoria (Astoria Regional Airport) → Seattle (Seattle Tacoma International Airport)
116 mi
187 km · 101 nm
46m
estimated nonstop flight time
Same time
time difference · heading northeast
See live AST→SEA fares Phone-only fares on this route — call free
Flight time details
116 miles nonstop takes roughly 46m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- AST — Astoria Regional Airport · Astoria, 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 AST
- KLS · Southwest Washington Regional Airport47 mi away
- OTK · Tillamook Airport51 mi away
- HQM · Bowerman Airport56 mi away
- CLS · Chehalis Centralia Airport56 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 AST from SEA?
The flight distance from Astoria (AST) to Seattle (SEA) is 116 miles (187 km, 101 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AST to SEA?
A nonstop flight takes about 46m 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 cheapest way to fly from AST to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AST–SEA that never appear on search engines, with no booking fees.