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MCS to SEA: distance & flight time
Monte Caseros (Monte Caseros Airport) → Seattle (Seattle Tacoma International Airport)
6,701 mi
10,783 km · 5,823 nm
13h 36m
estimated nonstop flight time
-4h
time difference · heading northwest
See live MCS→SEA fares Phone-only fares on this route — call free
Flight time details
6,701 miles nonstop takes roughly 13h 36m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time set-back when reading arrival times on your ticket.
The two airports
- MCS — Monte Caseros Airport · Monte Caseros, Argentina
- 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 MCS
- UZU · Curuzu Cuatia Airport40 mi away
- URG · Rubem Berta Airport49 mi away
- AOL · Paso De Los Libres Airport50 mi away
- ATI · Artigas International Airport68 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 MCS from SEA?
The flight distance from Monte Caseros (MCS) to Seattle (SEA) is 6,701 miles (10,783 km, 5,823 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MCS to SEA?
A nonstop flight takes about 13h 36m 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 Monte Caseros and Seattle?
Seattle is 4 hours behind Monte Caseros.
What is the cheapest way to fly from MCS to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MCS–SEA that never appear on search engines, with no booking fees.