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MNZ to BFI: distance & flight time
Manassas (Manassas Regional Airport/Harry P. Davis Field) → Seattle (Boeing Field King County International Airport)
2,304 mi
3,709 km · 2,003 nm
4h 59m
estimated nonstop flight time
-3h
time difference · heading northwest
See live MNZ→BFI fares Phone-only fares on this route — call free
Flight time details
2,304 miles nonstop takes roughly 4h 59m 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
- MNZ — Manassas Regional Airport/Harry P. Davis Field · Manassas, 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 MNZ
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 MNZ from BFI?
The flight distance from Manassas (MNZ) to Seattle (BFI) is 2,304 miles (3,709 km, 2,003 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MNZ to BFI?
A nonstop flight takes about 4h 59m 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 Manassas and Seattle?
Seattle is 3 hours behind Manassas.
What is the cheapest way to fly from MNZ to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MNZ–BFI that never appear on search engines, with no booking fees.