Distance From Portland Troutdale Airport to Humberto Delgado Airport (Lisbon Portela Airport), TTD - LIS Distance

The distance from Portland Troutdale Airport (TTD) to Humberto Delgado Airport (Lisbon Portela Airport) (LIS) is 5294 miles or 8519 kilometers or 4597 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.

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How long does it take to travel from Portland ( United States ) to Lisbon ( Portugal )?

A one-way nonstop (direct) flight between Portland and Lisbon takes around 12 hours 10 minutes.

Estimated flight time from Portland Troutdale Airport, Portland, United States to Humberto Delgado Airport (Lisbon Portela Airport), Lisbon, Portugal is 12 hours 10 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 • TTD - LIS

Kilometers		8519 km
Statute Miles		5294 miles
Nautical Miles		4597 nm
Avg. Time of Flight		12 hours 10 minutes

Portland Troutdale Airport to Humberto Delgado Airport (Lisbon Portela Airport) Flight Route Map - TTD to LIS Flight Path

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

Click to see flight route on Google Map between Portland, United States and Lisbon, Portugal. .

Nonstop flight route between Portland, United States and Lisbon, Portugal.

Time Difference Between the Airports • TTD - LIS

Time difference between Portland (United States) and Lisbon (Portugal) is 7 Hours.
Lisbon time is 7 Hours ahead of Portland.

Location	Local Time
Portland (United States)	2026-11-06, 17:37:49 MST
Lisbon (Portugal)	2026-11-07, 00:37:49 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

Portland Troutdale Airport (TTD / KTTD) Portland, United States

Destination

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