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LIS to SEA: distance & flight time
Lisbon (Humberto Delgado Airport (Lisbon Portela Airport)) → Seattle (Seattle Tacoma International Airport)
5,202 mi
8,372 km · 4,520 nm
10h 40m
estimated nonstop flight time
-8h
time difference · heading northwest
See live LIS→SEA fares Phone-only fares on this route — call free
Flight time details
5,202 miles nonstop takes roughly 10h 40m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- LIS — Humberto Delgado Airport (Lisbon Portela Airport) · Lisbon, Portugal
- SEA — Seattle Tacoma International Airport · Seattle, United States
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 SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Frequently asked questions
How far is LIS from SEA?
The flight distance from Lisbon (LIS) to Seattle (SEA) is 5,202 miles (8,372 km, 4,520 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LIS to SEA?
A nonstop flight takes about 10h 40m 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 Seattle?
Seattle is 8 hours behind Lisbon.
What is the cheapest way to fly from LIS to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LIS–SEA that never appear on search engines, with no booking fees.