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WBU to PSS: distance & flight time

Boulder (Boulder Municipal Airport) → Posadas (Libertador Gral D Jose De San Martin Airport)

5,631 mi
9,063 km · 4,893 nm
11h 30m
estimated nonstop flight time
+3h
time difference · heading southeast
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Flight time details

5,631 miles nonstop takes roughly 11h 30m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is WBU from PSS?

The flight distance from Boulder (WBU) to Posadas (PSS) 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 WBU to PSS?

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 Boulder and Posadas?

Posadas is 3 hours ahead of Boulder.

What is the cheapest way to fly from WBU to PSS?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–PSS that never appear on search engines, with no booking fees.
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