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PSS to WBU: distance & flight time
Posadas (Libertador Gral D Jose De San Martin Airport) → Boulder (Boulder Municipal Airport)
5,631 mi
9,063 km · 4,893 nm
11h 30m
estimated nonstop flight time
-3h
time difference · heading northwest
See live PSS→WBU fares Phone-only fares on this route — call free
Flight time details
5,631 miles nonstop takes roughly 11h 30m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- PSS — Libertador Gral D Jose De San Martin Airport · Posadas, Argentina
- WBU — Boulder Municipal Airport · Boulder, 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 PSS
- ENO · Encarnación Airport14 mi away
- AYO · Juan De Ayolas Airport54 mi away
- SRA · Santa Rosa Airport96 mi away
- ELO · El Dorado Airport110 mi away
Near WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Frequently asked questions
How far is PSS from WBU?
The flight distance from Posadas (PSS) to Boulder (WBU) is 5,631 miles (9,063 km, 4,893 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSS to WBU?
A nonstop flight takes about 11h 30m 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 Posadas and Boulder?
Boulder is 3 hours behind Posadas.
What is the cheapest way to fly from PSS to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSS–WBU that never appear on search engines, with no booking fees.