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KLS to REX: distance & flight time
Kelso (Southwest Washington Regional Airport) → Reynosa (General Lucio Blanco International Airport)
1,941 mi
3,124 km · 1,687 nm
4h 16m
estimated nonstop flight time
+1h
time difference · heading southeast
See live KLS→REX fares Phone-only fares on this route — call free
Flight time details
1,941 miles nonstop takes roughly 4h 16m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- REX — General Lucio Blanco International Airport · Reynosa, Mexico
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 KLS
- PDX · Portland International Airport39 mi away
- CLS · Chehalis Centralia Airport39 mi away
- HIO · Portland Hillsboro Airport40 mi away
- TTD · Portland Troutdale Airport46 mi away
Near REX
Frequently asked questions
How far is KLS from REX?
The flight distance from Kelso (KLS) to Reynosa (REX) is 1,941 miles (3,124 km, 1,687 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to REX?
A nonstop flight takes about 4h 16m 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 KLS to REX?
Nonstop service on KLS–REX 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 16m nonstop estimate.
What is the time difference between Kelso and Reynosa?
Reynosa is 1 hour ahead of Kelso.
What is the cheapest way to fly from KLS to REX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–REX that never appear on search engines, with no booking fees.
Why are some KLS to REX fares phone-only?
Consolidator contracts let us sell certain KLS–REX 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.