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LIS to YSM: distance & flight time
Lisbon (Humberto Delgado Airport (Lisbon Portela Airport)) → Fort Smith (Fort Smith Airport)
4,344 mi
6,990 km · 3,775 nm
8h 59m
estimated nonstop flight time
-7h
time difference · heading northwest
See live LIS→YSM fares Phone-only fares on this route — call free
Flight time details
4,344 miles nonstop takes roughly 8h 59m 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
- LIS — Humberto Delgado Airport (Lisbon Portela Airport) · Lisbon, Portugal
- YSM — Fort Smith Airport · Fort Smith, Canada
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 LIS
- AVR · Alverca Air Base9 mi away
- CAT · Cascais Airport12 mi away
- QLR · Monte Real Air Base74 mi away
- BYJ · Beja Airport / Airbase81 mi away
Near YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 mi away
Frequently asked questions
How far is LIS from YSM?
The flight distance from Lisbon (LIS) to Fort Smith (YSM) is 4,344 miles (6,990 km, 3,775 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LIS to YSM?
A nonstop flight takes about 8h 59m 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 Lisbon and Fort Smith?
Fort Smith is 7 hours behind Lisbon.
What is the cheapest way to fly from LIS to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LIS–YSM that never appear on search engines, with no booking fees.