Salt Lake City International Airport
4 miles (6.4 km) from the city centre. 28.2 million passengers in 2025
| How | Route | Cost |
|---|---|---|
| Train | TRAX Green Line light rail from the airport station to downtown Salt Lake City | $2.50 one way |
Flights from IAD to SLC
2 airlines fly nonstop from Washington Dulles International Airport to Salt Lake City International Airport. Washington Dulles International Airport (Washington, D.C.) to Salt Lake City International Airport (Salt Lake City).
- Distance
- 1,824 mi
- Nonstop flight
- Varies
- Time difference
- −2h
- Nonstop airlines
- 2
Fares from IAD to SLC
Checking today’s fares with the airlines.
Nonstop flights
| Airline | From | To |
|---|---|---|
| Delta Air Lines | IAD Washington Dulles International Airport | SLC Salt Lake City International Airport |
| United Airlines | IAD Washington Dulles International Airport | SLC Salt Lake City International Airport |
Nonstop service as of October 2026. Airlines change schedules seasonally.
Getting from the airport into Salt Lake City
Before you go
Domestic travel: a REAL ID-compliant license or other acceptable ID, such as a US passport, is required to board flights within the US.
Salt Lake City is 2 hours behind Washington, D.C.. Salt Lake City uses the US dollar (USD).
Read the Salt Lake City guide: when to go, weather, airports and tips
Frequently asked questions
How long is the flight from IAD to SLC?
Nonstop flight times vary by airline and season; flights with a connection take longer.
Which airlines fly nonstop from IAD to SLC?
As of October 2026, Delta Air Lines and United Airlines fly this route nonstop.
How far is SLC from IAD?
About 1,824 miles (2,935 km) between the airports.
What is the time difference?
Salt Lake City is 2 hours behind Washington, D.C..
What ID do I need to fly to Salt Lake City?
Domestic travel: a REAL ID-compliant license or other acceptable ID, such as a US passport, is required to board flights within the US.
How do I get from Salt Lake City International Airport into Salt Lake City?
TRAX Green Line light rail from the airport station to downtown Salt Lake City, $2.50 one way.
Related pages
Sources
Information checked in October 2026. Schedules, fares and entry rules change, so confirm with the airline or the official source before you travel.