Need help booking?
Unpublished phone-only deals available
TTN to SEA: distance & flight time
Trenton (Trenton Mercer Airport) → Seattle (Seattle Tacoma International Airport)
2,379 mi
3,828 km · 2,067 nm
5h 8m
estimated nonstop flight time
-3h
time difference · heading northwest
See live TTN→SEA fares Phone-only fares on this route — call free
Flight time details
2,379 miles nonstop takes roughly 5h 8m 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
- TTN — Trenton Mercer Airport · Trenton, United States
- SEA — Seattle Tacoma 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 TTN
- PHL · Philadelphia International Airport36 mi away
- EWR · Newark Liberty International Airport44 mi away
- PNE · Northeast Philadelphia Airport17 mi away
- DYL · Doylestown Airport17 mi away
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
Frequently asked questions
How far is TTN from SEA?
The flight distance from Trenton (TTN) to Seattle (SEA) is 2,379 miles (3,828 km, 2,067 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TTN to SEA?
A nonstop flight takes about 5h 8m 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 Trenton and Seattle?
Seattle is 3 hours behind Trenton.
What is the cheapest way to fly from TTN to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TTN–SEA that never appear on search engines, with no booking fees.