Need help booking?
Unpublished phone-only deals available
ILD to ISN: distance & flight time
Lleida (Lleida-Alguaire Airport) → Williston (Sloulin Field International Airport)
4,700 mi
7,565 km · 4,085 nm
9h 41m
estimated nonstop flight time
-7h
time difference · heading northwest
See live ILD→ISN fares Phone-only fares on this route — call free
Flight time details
4,700 miles nonstop takes roughly 9h 41m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- ILD — Lleida-Alguaire Airport · Lleida, Spain
- ISN — Sloulin Field International Airport · Williston, 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 ILD
- BCN · Barcelona International Airport85 mi away
- HSK · Huesca/Pirineos Airport50 mi away
- REU · Reus Air Base52 mi away
- LEU · Pirineus - la Seu d'Urgel Airport62 mi away
Near ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Frequently asked questions
How far is ILD from ISN?
The flight distance from Lleida (ILD) to Williston (ISN) is 4,700 miles (7,565 km, 4,085 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ILD to ISN?
A nonstop flight takes about 9h 41m 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 Lleida and Williston?
Williston is 7 hours behind Lleida.
What is the cheapest way to fly from ILD to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ILD–ISN that never appear on search engines, with no booking fees.