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SLM to SEA: distance & flight time
Salamanca (Salamanca Airport) → Seattle (Seattle Tacoma International Airport)
5,208 mi
8,381 km · 4,526 nm
10h 41m
estimated nonstop flight time
-9h
time difference · heading northwest
See live SLM→SEA fares Phone-only fares on this route — call free
Flight time details
5,208 miles nonstop takes roughly 10h 41m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- SLM — Salamanca Airport · Salamanca, Spain
- 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 SLM
- VLL · Valladolid Airport62 mi away
- MAD · Adolfo Suárez Madrid–Barajas Airport107 mi away
- BGC · Bragança Airport88 mi away
- ECV · Cuatro Vientos Airport99 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 SLM from SEA?
The flight distance from Salamanca (SLM) to Seattle (SEA) is 5,208 miles (8,381 km, 4,526 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SLM to SEA?
A nonstop flight takes about 10h 41m 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 Salamanca and Seattle?
Seattle is 9 hours behind Salamanca.
What is the cheapest way to fly from SLM to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SLM–SEA that never appear on search engines, with no booking fees.