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TTN to IAD: distance & flight time
Trenton (Trenton Mercer Airport) → Washington (Washington Dulles International Airport)
168 mi
270 km · 146 nm
55m
estimated nonstop flight time
Same time
time difference · heading southwest
See live TTN→IAD fares Phone-only fares on this route — call free
Flight time details
168 miles nonstop takes roughly 55m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- TTN — Trenton Mercer Airport · Trenton, United States
- IAD — Washington Dulles International Airport · Washington, 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
Frequently asked questions
How far is TTN from IAD?
The flight distance from Trenton (TTN) to Washington (IAD) is 168 miles (270 km, 146 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TTN to IAD?
A nonstop flight takes about 55m 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 cheapest way to fly from TTN to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TTN–IAD that never appear on search engines, with no booking fees.