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RER to WBU: distance & flight time
Retalhuleu (Retalhuleu Airport) → Boulder (Boulder Municipal Airport)
1,944 mi
3,128 km · 1,689 nm
4h 17m
estimated nonstop flight time
Same time
time difference · heading north
See live RER→WBU fares Phone-only fares on this route — call free
Flight time details
1,944 miles nonstop takes roughly 4h 17m gate to gate, flying north. 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
- RER — Retalhuleu Airport · Retalhuleu, Guatemala
- 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 RER
- AAZ · Quezaltenango Airport27 mi away
- TAP · Tapachula International Airport49 mi away
- AQB · Santa Cruz del Quiche Airport50 mi away
- GSJ · San José Airport70 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 RER from WBU?
The flight distance from Retalhuleu (RER) to Boulder (WBU) is 1,944 miles (3,128 km, 1,689 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RER to WBU?
A nonstop flight takes about 4h 17m 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 RER to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RER–WBU that never appear on search engines, with no booking fees.