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IAD to SLC: distance & flight time
Washington (Washington Dulles International Airport) → Salt Lake City (Salt Lake City International Airport)
1,823 mi
2,934 km · 1,584 nm
4h 3m
estimated nonstop flight time
-2h
time difference · heading west
See live IAD→SLC fares Phone-only fares on this route — call free
Flight time details
1,823 miles nonstop takes roughly 4h 3m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- SLC — Salt Lake City International Airport · Salt Lake City, 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 SLC
- HIF · Hill Air Force Base23 mi away
- OGD · Ogden Hinckley Airport28 mi away
- PVU · Provo Municipal Airport42 mi away
- BMC · Brigham City Regional Airport53 mi away
Frequently asked questions
How far is IAD from SLC?
The flight distance from Washington (IAD) to Salt Lake City (SLC) is 1,823 miles (2,934 km, 1,584 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to SLC?
A nonstop flight takes about 4h 3m 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 Salt Lake City?
Salt Lake City is 2 hours behind Washington.
What is the cheapest way to fly from IAD to SLC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–SLC that never appear on search engines, with no booking fees.