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MCS to BFI: distance & flight time
Monte Caseros (Monte Caseros Airport) → Seattle (Boeing Field King County International Airport)
6,704 mi
10,789 km · 5,825 nm
13h 37m
estimated nonstop flight time
-4h
time difference · heading northwest
See live MCS→BFI fares Phone-only fares on this route — call free
Flight time details
6,704 miles nonstop takes roughly 13h 37m 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
- BFI — Boeing Field King County 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 BFI
- SEA · Seattle Tacoma International Airport6 mi away
- RNT · Renton Municipal Airport5 mi away
- PWT · Bremerton National Airport22 mi away
- TIW · Tacoma Narrows Airport22 mi away
Frequently asked questions
How far is MCS from BFI?
The flight distance from Monte Caseros (MCS) to Seattle (BFI) is 6,704 miles (10,789 km, 5,825 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MCS to BFI?
A nonstop flight takes about 13h 37m 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 BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MCS–BFI that never appear on search engines, with no booking fees.