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ATY to LIS: distance & flight time
Watertown (Watertown Regional Airport) → Lisbon (Humberto Delgado Airport (Lisbon Portela Airport))
4,320 mi
6,953 km · 3,754 nm
8h 56m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ATY→LIS fares Phone-only fares on this route — call free
Flight time details
4,320 miles nonstop takes roughly 8h 56m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- ATY — Watertown Regional Airport · Watertown, 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 ATY
- HON · Huron Regional Airport64 mi away
- ABR · Aberdeen Regional Airport72 mi away
- MHE · Mitchell Municipal Airport90 mi away
- FSD · Joe Foss Field Airport94 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 ATY from LIS?
The flight distance from Watertown (ATY) to Lisbon (LIS) is 4,320 miles (6,953 km, 3,754 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATY to LIS?
A nonstop flight takes about 8h 56m 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 Watertown and Lisbon?
Lisbon is 6 hours ahead of Watertown.
What is the cheapest way to fly from ATY to LIS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATY–LIS that never appear on search engines, with no booking fees.