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FNL to LIS: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Lisbon (Humberto Delgado Airport (Lisbon Portela Airport))
4,821 mi
7,759 km · 4,189 nm
9h 55m
estimated nonstop flight time
+7h
time difference · heading northeast
See live FNL→LIS fares Phone-only fares on this route — call free
Flight time details
4,821 miles nonstop takes roughly 9h 55m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- FNL — Northern Colorado Regional Airport · Fort Collins, United States
- LIS — Humberto Delgado Airport (Lisbon Portela Airport) · Lisbon, Portugal
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 FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 mi away
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
Frequently asked questions
How far is FNL from LIS?
The flight distance from Fort Collins (FNL) to Lisbon (LIS) is 4,821 miles (7,759 km, 4,189 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to LIS?
A nonstop flight takes about 9h 55m 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 Fort Collins and Lisbon?
Lisbon is 7 hours ahead of Fort Collins.
What is the cheapest way to fly from FNL to LIS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–LIS that never appear on search engines, with no booking fees.