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SEA to LLY: distance & flight time
Seattle (Seattle Tacoma International Airport) → Mount Holly (South Jersey Regional Airport)
2,388 mi
3,843 km · 2,075 nm
5h 9m
estimated nonstop flight time
+3h
time difference · heading east
See live SEA→LLY fares Phone-only fares on this route — call free
Flight time details
2,388 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
- SEA — Seattle Tacoma 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 SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 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 SEA from LLY?
The flight distance from Seattle (SEA) to Mount Holly (LLY) is 2,388 miles (3,843 km, 2,075 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA 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 SEA to LLY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–LLY that never appear on search engines, with no booking fees.