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WBU to IAS: distance & flight time
Boulder (Boulder Municipal Airport) → Iasi (Iaşi Airport)
5,750 mi
9,254 km · 4,997 nm
11h 45m
estimated nonstop flight time
+9h
time difference · heading northeast
See live WBU→IAS fares Phone-only fares on this route — call free
Flight time details
5,750 miles nonstop takes roughly 11h 45m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, United States
- IAS — Iaşi Airport · Iasi, Romania
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 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
Near IAS
- BZY · Bălți International Airport46 mi away
- BCM · Bacău Airport56 mi away
- KIV · Chişinău International Airport64 mi away
- SCV · Suceava Stefan cel Mare Airport69 mi away
Frequently asked questions
How far is WBU from IAS?
The flight distance from Boulder (WBU) to Iasi (IAS) is 5,750 miles (9,254 km, 4,997 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to IAS?
A nonstop flight takes about 11h 45m 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 Iasi?
Iasi is 9 hours ahead of Boulder.
What is the cheapest way to fly from WBU to IAS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–IAS that never appear on search engines, with no booking fees.