Distance From Fort Smith Airport to Humberto Delgado Airport (Lisbon Portela Airport), YSM - LIS Distance

The distance from Fort Smith Airport (YSM) to Humberto Delgado Airport (Lisbon Portela Airport) (LIS) is 4344 miles or 6991 kilometers or 3772 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

---

How long does it take to travel from Fort Smith ( Canada ) to Lisbon ( Portugal )?

A one-way nonstop (direct) flight between Fort Smith and Lisbon takes around 9 hours 59 minutes.

Estimated flight time from Fort Smith Airport, Fort Smith, Canada to Humberto Delgado Airport (Lisbon Portela Airport), Lisbon, Portugal is 9 hours 59 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • YSM - LIS

Kilometers		6991 km
Statute Miles		4344 miles
Nautical Miles		3772 nm
Avg. Time of Flight		9 hours 59 minutes

Fort Smith Airport to Humberto Delgado Airport (Lisbon Portela Airport) Flight Route Map - YSM to LIS Flight Path

Location of Fort Smith Airport & Humberto Delgado Airport (Lisbon Portela Airport) is given below.
Click the map to view Fort Smith to Lisbon nonstop flight path and travel direction.

Click to see flight route on Google Map between Fort Smith, Canada and Lisbon, Portugal. .

Nonstop flight route between Fort Smith, Canada and Lisbon, Portugal.

Time Difference Between the Airports • YSM - LIS

Time difference between Fort Smith (Canada) and Lisbon (Portugal) is 7 Hours.
Lisbon time is 7 Hours ahead of Fort Smith.

Location	Local Time
Fort Smith (Canada)	2026-10-31, 22:27:17 MST
Lisbon (Portugal)	2026-11-01, 05:27:17 WET

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Fort Smith Airport (YSM / CYSM) Fort Smith, Canada

Destination

Humberto Delgado Airport (Lisbon Portela Airport) (LIS / LPPT) Lisbon, Portugal