Need help booking?
Unpublished phone-only deals available
ADT to BFI: distance & flight time
Ada (Ada Regional Airport) → Seattle (Boeing Field King County International Airport)
1,585 mi
2,551 km · 1,378 nm
3h 35m
estimated nonstop flight time
-2h
time difference · heading northwest
See live ADT→BFI fares Phone-only fares on this route — call free
Flight time details
1,585 miles nonstop takes roughly 3h 35m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- ADT — Ada Regional Airport · Ada, 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 ADT
- ADM · Ardmore Municipal Airport40 mi away
- MLC · Mc Alester Regional Airport51 mi away
- TIK · Tinker Air Force Base58 mi away
- OKC · Will Rogers World Airport66 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 ADT from BFI?
The flight distance from Ada (ADT) to Seattle (BFI) is 1,585 miles (2,551 km, 1,378 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ADT to BFI?
A nonstop flight takes about 3h 35m 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 Ada and Seattle?
Seattle is 2 hours behind Ada.
What is the cheapest way to fly from ADT to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ADT–BFI that never appear on search engines, with no booking fees.