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IAD to PHL: distance & flight time
Washington (Washington Dulles International Airport) → Philadelphia (Philadelphia International Airport)
134 mi
216 km · 117 nm
49m
estimated nonstop flight time
Same time
time difference · heading northeast
See live IAD→PHL fares Phone-only fares on this route — call free
Flight time details
134 miles nonstop takes roughly 49m gate to gate, flying northeast. 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
- IAD — Washington Dulles International Airport · Washington, United States
- PHL — Philadelphia International Airport · Philadelphia, 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 IAD
Near PHL
- BBX · Wings Field18 mi away
- PNE · Northeast Philadelphia Airport19 mi away
- LLY · South Jersey Regional Airport22 mi away
- NXX · Willow Grove Naval Air Station/Joint Reserve Base23 mi away
Frequently asked questions
How far is IAD from PHL?
The flight distance from Washington (IAD) to Philadelphia (PHL) is 134 miles (216 km, 117 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to PHL?
A nonstop flight takes about 49m 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 IAD to PHL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–PHL that never appear on search engines, with no booking fees.