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BFI to LLY: distance & flight time
Seattle (Boeing Field King County International Airport) → Mount Holly (South Jersey Regional Airport)
2,387 mi
3,842 km · 2,075 nm
5h 9m
estimated nonstop flight time
+3h
time difference · heading east
See live BFI→LLY fares Phone-only fares on this route — call free
Flight time details
2,387 miles nonstop takes roughly 5h 9m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- LLY — South Jersey Regional Airport · Mount Holly, 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 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 LLY
- PHL · Philadelphia International Airport22 mi away
- PNE · Northeast Philadelphia Airport13 mi away
- WRI · Mc Guire Air Force Base14 mi away
- TTN · Trenton Mercer Airport23 mi away
Frequently asked questions
How far is BFI from LLY?
The flight distance from Seattle (BFI) to Mount Holly (LLY) is 2,387 miles (3,842 km, 2,075 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to LLY?
A nonstop flight takes about 5h 9m 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 Mount Holly?
Mount Holly is 3 hours ahead of Seattle.
What is the cheapest way to fly from BFI to LLY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–LLY that never appear on search engines, with no booking fees.