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SIR to RER: distance & flight time
Sion (Sion Airport) → Retalhuleu (Retalhuleu Airport)
5,917 mi
9,523 km · 5,142 nm
12h 4m
estimated nonstop flight time
-8h
time difference · heading west
See live SIR→RER fares Phone-only fares on this route — call free
Flight time details
5,917 miles nonstop takes roughly 12h 4m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- RER — Retalhuleu Airport · Retalhuleu, Guatemala
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 SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
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
Frequently asked questions
How far is SIR from RER?
The flight distance from Sion (SIR) to Retalhuleu (RER) is 5,917 miles (9,523 km, 5,142 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to RER?
A nonstop flight takes about 12h 4m 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 Sion and Retalhuleu?
Retalhuleu is 8 hours behind Sion.
What is the cheapest way to fly from SIR to RER?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–RER that never appear on search engines, with no booking fees.