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MGY to BFI: distance & flight time
Dayton (Dayton-Wright Brothers Airport) → Seattle (Boeing Field King County International Airport)
1,962 mi
3,158 km · 1,705 nm
4h 19m
estimated nonstop flight time
-3h
time difference · heading northwest
See live MGY→BFI fares Phone-only fares on this route — call free
Flight time details
1,962 miles nonstop takes roughly 4h 19m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- MGY — Dayton-Wright Brothers Airport · Dayton, United States
- 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 MGY
- FFO · Wright-Patterson Air Force Base19 mi away
- DAY · James M Cox Dayton International Airport22 mi away
- HAO · Butler Co Regional Airport - Hogan Field22 mi away
- ILN · Wilmington Airpark26 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 MGY from BFI?
The flight distance from Dayton (MGY) to Seattle (BFI) is 1,962 miles (3,158 km, 1,705 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MGY to BFI?
A nonstop flight takes about 4h 19m 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 Dayton and Seattle?
Seattle is 3 hours behind Dayton.
What is the cheapest way to fly from MGY to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MGY–BFI that never appear on search engines, with no booking fees.