Direct (nonstop) flights from Salt Lake City to Dulles

2 airlines fly nonstop from Salt Lake City International (SLC) to Washington Dulles International (IAD). It's 1,828 miles (2,942 km), about 3h 59m in the air. Operated by Delta Air Lines, United Airlines.

SLC
Salt Lake City International
🇺🇸 Salt Lake City, USA
IAD
Washington Dulles International
🇺🇸 Dulles, USA
Flight Time
3h 59m
Distance
1,828 mi
2,942 km
CO₂/pax
309 kg
−29 kg vs. layover
Airlines
2
Delta Air Lines +1
Time Diff
+2h
Operated by Delta Air Lines Delta Air Lines United Airlines United Airlines

Route data last updated: May 29, 2026

Airlines with non-stop flights

Delta Air Lines DL Delta Air Lines
Route
SLC → IAD
Flight Time
3h 59m
Distance
1,828 mi
United Airlines UA United Airlines
Route
SLC → IAD
Flight Time
3h 59m
Distance
1,828 mi

Alternative Routes

Other ways to fly from Salt Lake City to Dulles with one stop · direct emits 309 kg CO₂ per passenger

SLC CMH (Columbus) IAD
Leg 1: 3h 23m (1,529 mi) Leg 2: 1h 24m (299 mi) Total: ~4h 47m 🍃 338 kg CO₂ (+9% vs. direct)
Leg 1
SLC → CMH
3h 23m · 1,529 mi
View SLC to CMH flights →
Leg 2
CMH → IAD
1h 24m · 299 mi
View CMH to IAD flights →
SLC CLE (Cleveland) IAD
Leg 1: 3h 31m (1,566 mi) Leg 2: 1h 19m (287 mi) Total: ~4h 50m 🍃 343 kg CO₂ (+11% vs. direct)
Leg 1
SLC → CLE
3h 31m · 1,566 mi
View SLC to CLE flights →
Leg 2
CLE → IAD
1h 19m · 287 mi
View CLE to IAD flights →
SLC PIT (Pittsburgh) IAD
Leg 1: 3h 42m (1,658 mi) Leg 2: 1h 8m (183 mi) Total: ~4h 50m 🍃 339 kg CO₂ (+10% vs. direct)
Leg 1
SLC → PIT
3h 42m · 1,658 mi
View SLC to PIT flights →
Leg 2
PIT → IAD
1h 8m · 183 mi
View PIT to IAD flights →
SLC IND (Indianapolis) IAD
Leg 1: 3h 7m (1,355 mi) Leg 2: 1h 44m (476 mi) Total: ~4h 51m 🍃 342 kg CO₂ (+11% vs. direct)
Leg 1
SLC → IND
3h 7m · 1,355 mi
View SLC to IND flights →
Leg 2
IND → IAD
1h 44m · 476 mi
View IND to IAD flights →
SLC CVG (Cincinnati) IAD
Leg 1: 3h 18m (1,450 mi) Leg 2: 1h 34m (388 mi) Total: ~4h 52m 🍃 342 kg CO₂ (+11% vs. direct)
Leg 1
SLC → CVG
3h 18m · 1,450 mi
View SLC to CVG flights →
Leg 2
CVG → IAD
1h 34m · 388 mi
View CVG to IAD flights →

Frequently Asked Questions

How long is the direct flight from Salt Lake City to Dulles?

A nonstop flight from Salt Lake City (SLC) to Dulles (IAD) takes approximately 3 hours and 59 minutes. The distance is 1,828 miles (2,942 km).

Which airlines fly nonstop from Salt Lake City to Dulles?

2 airlines: Delta Air Lines, United Airlines.

Is there a nonstop flight from Salt Lake City to Dulles?

Yes. 2 airlines: Delta Air Lines, United Airlines.

How far is Salt Lake City from Dulles?

The flight distance from Salt Lake City to Dulles is 1,828 miles (2,942 km), measured as the great-circle (shortest air) distance.

What type of aircraft flies from Salt Lake City to Dulles?

At 3h 59m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from Salt Lake City to Dulles?

Roughly 309 kg CO2 per passenger one-way. That's about the same as driving 1,545 km.

Is the return flight from Dulles to Salt Lake City also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Salt Lake City to Dulles?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Salt Lake City International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.