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COT to IAD: distance & flight time
Cotulla (Cotulla-La Salle County Airport) → Washington (Washington Dulles International Airport)
1,440 mi
2,318 km · 1,252 nm
3h 36m
estimated nonstop flight time
+1h
time difference · heading northeast
See live COT→IAD fares Phone-only fares on this route — call free
Flight time details
1,440 miles nonstop takes roughly 3h 36m gate to gate, flying northeast. 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
- COT — Cotulla-La Salle County Airport · Cotulla, United States
- IAD — Washington Dulles International Airport · Washington, 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 COT
- UVA · Garner Field61 mi away
- LRD · Laredo International Airport65 mi away
- NLD · Quetzalcóatl International Airport73 mi away
- SKF · Lackland Air Force Base75 mi away
Frequently asked questions
How far is COT from IAD?
The flight distance from Cotulla (COT) to Washington (IAD) is 1,440 miles (2,318 km, 1,252 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COT to IAD?
A nonstop flight takes about 3h 36m 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 Cotulla and Washington?
Washington is 1 hour ahead of Cotulla.
What is the cheapest way to fly from COT to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COT–IAD that never appear on search engines, with no booking fees.