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BFI to MCS: distance & flight time
Seattle (Boeing Field King County International Airport) → Monte Caseros (Monte Caseros Airport)
6,704 mi
10,789 km · 5,825 nm
13h 37m
estimated nonstop flight time
+4h
time difference · heading southeast
See live BFI→MCS fares Phone-only fares on this route — call free
Flight time details
6,704 miles nonstop takes roughly 13h 37m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- MCS — Monte Caseros Airport · Monte Caseros, Argentina
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 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
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
Frequently asked questions
How far is BFI from MCS?
The flight distance from Seattle (BFI) to Monte Caseros (MCS) 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 BFI to MCS?
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 Seattle and Monte Caseros?
Monte Caseros is 4 hours ahead of Seattle.
What is the cheapest way to fly from BFI to MCS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–MCS that never appear on search engines, with no booking fees.