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IAD to PHX: distance & flight time
Washington (Washington Dulles International Airport) → Phoenix (Phoenix Sky Harbor International Airport)
1,952 mi
3,142 km · 1,696 nm
4h 18m
estimated nonstop flight time
-3h
time difference · heading west
See live IAD→PHX fares Phone-only fares on this route — call free
Flight time details
1,952 miles nonstop takes roughly 4h 18m gate to gate, flying west. 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
- IAD — Washington Dulles International Airport · Washington, United States
- PHX — Phoenix Sky Harbor International Airport · Phoenix, 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 PHX
- SCF · Scottsdale Airport14 mi away
- MSC · Falcon Field16 mi away
- DVT · Phoenix Deer Valley Airport18 mi away
- GYR · Phoenix Goodyear Airport21 mi away
Frequently asked questions
How far is IAD from PHX?
The flight distance from Washington (IAD) to Phoenix (PHX) is 1,952 miles (3,142 km, 1,696 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to PHX?
A nonstop flight takes about 4h 18m 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 Washington and Phoenix?
Phoenix is 3 hours behind Washington.
What is the cheapest way to fly from IAD to PHX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–PHX that never appear on search engines, with no booking fees.