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IAD to RER: distance & flight time
Washington (Washington Dulles International Airport) → Retalhuleu (Retalhuleu Airport)
1,897 mi
3,053 km · 1,648 nm
4h 11m
estimated nonstop flight time
-2h
time difference · heading southwest
See live IAD→RER fares Phone-only fares on this route — call free
Flight time details
1,897 miles nonstop takes roughly 4h 11m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- 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 IAD
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 IAD from RER?
The flight distance from Washington (IAD) to Retalhuleu (RER) is 1,897 miles (3,053 km, 1,648 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to RER?
A nonstop flight takes about 4h 11m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from IAD to RER?
Nonstop service on IAD–RER depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 4h 11m nonstop estimate.
What is the time difference between Washington and Retalhuleu?
Retalhuleu is 2 hours behind Washington.
What is the cheapest way to fly from IAD to RER?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–RER that never appear on search engines, with no booking fees.
Why are some IAD to RER fares phone-only?
Consolidator contracts let us sell certain IAD–RER tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.