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ASU to SEA: distance & flight time
Asuncion (Silvio Pettirossi International Airport) → Seattle (Seattle Tacoma International Airport)
6,431 mi
10,349 km · 5,588 nm
13h 5m
estimated nonstop flight time
-4h
time difference · heading northwest
See live ASU→SEA fares Phone-only fares on this route — call free
Flight time details
6,431 miles nonstop takes roughly 13h 5m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time set-back when reading arrival times on your ticket.
The two airports
- ASU — Silvio Pettirossi International Airport · Asuncion, Paraguay
- 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 ASU
- FMA · Formosa Airport80 mi away
- CIO · Teniente Col Carmelo Peralta Airport124 mi away
- PIL · Carlos Miguel Gimenez Airport124 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 ASU from SEA?
The flight distance from Asuncion (ASU) to Seattle (SEA) is 6,431 miles (10,349 km, 5,588 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASU to SEA?
A nonstop flight takes about 13h 5m 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 Asuncion and Seattle?
Seattle is 4 hours behind Asuncion.
What is the cheapest way to fly from ASU to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASU–SEA that never appear on search engines, with no booking fees.