
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $277 (Alaska Airlines) |
One-way from | $145 (Alaska Airlines) |
Popular in | March |
Cheapest in | November |
Average price | $383 |
Good round-trip deal | $359 or less |
Good one-way deal | $256 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Salt Lake City
IAD - SLC
IADSLC
Washington, D.C. Dulles Intl
Tue 3/10
5:10 pm-10:15 pm
1 stop7h 05m
Salt Lake City
Mon 3/16
11:40 pm-5:38 am
Nonstop3h 58m
Washington, D.C.Salt Lake City
IAD - SLC
IADSLC
Washington, D.C. Dulles Intl
Mon 3/16
7:05 am-2:26 pm
1 stop9h 21m
Salt Lake City
Mon 3/16
6:52 pm-5:27 pm
1 stop20h 35m
Washington, D.C.Salt Lake City
IAD - SLC
IADSLC
Washington, D.C. Dulles Intl
Thu 2/19
6:27 pm-9:31 pm
1 stop29h 04m
Salt Lake City
Thu 2/26
6:20 am-5:20 pm
1 stop9h 00m
Washington, D.C.Salt Lake City
IAD - SLC
IADSLC
Washington, D.C. Dulles Intl
Tue 3/10
12:14 pm-7:49 pm
1 stop9h 35m
Salt Lake City
Mon 3/16
11:25 pm-9:10 am
1 stop7h 45m
Washington, D.C.Salt Lake City
IAD - SLC
IADSLC
Washington, D.C. Dulles Intl
Wed 2/18
7:05 am-10:02 am
Nonstop4h 57m
Salt Lake City
Mon 3/2
11:20 pm-9:13 am
1 stop7h 53m
Washington, D.C.Salt Lake City
IAD - SLC
IADSLC
Washington, D.C. Dulles Intl
Sat 2/21
5:13 pm-10:15 pm
1 stop7h 02m
Salt Lake City
Thu 2/26
5:55 pm-11:46 pm
Nonstop3h 51m
Washington, D.C.Salt Lake City
IAD - SLC
IADSLC
Washington, D.C. Dulles Intl
Thu 3/12
6:27 pm-5:18 pm
1 stop24h 51m
Salt Lake City
Mon 3/16
6:20 am-5:40 am
1 stop21h 20m
Washington, D.C.Salt Lake City
IAD - SLC
IADSLC
Washington, D.C. Dulles Intl
Sat 2/21
5:13 pm-10:15 pm
1 stop7h 02m
Salt Lake City
Fri 2/27
11:20 pm-9:54 am
1 stop8h 34m
Washington, D.C.Salt Lake City
IAD - SLC
IADSLC
Washington, D.C. Dulles Intl
Tue 2/24
7:05 am-10:02 am
Nonstop4h 57m
Salt Lake City
Thu 2/26
5:55 pm-11:46 pm
Nonstop3h 51m
Washington, D.C.Salt Lake City
IAD - SLC
IADSLC
Washington, D.C. Dulles Intl
Sat 3/7
6:20 pm-10:22 pm
1 stop30h 02m
Salt Lake City
Thu 3/12
6:20 am-5:20 pm
1 stop9h 00m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Salt Lake City. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City (average of $167). Flying from Washington, D.C. Dulles Intl Airport to Salt Lake City in March is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Salt Lake City as you normally would.
Boarding
Overall
Entertainment
Comfort
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Overall
Entertainment
Comfort
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Overall
Entertainment
Comfort
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Overall
Entertainment
Comfort
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Overall
Entertainment
Comfort
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Overall
Entertainment
Comfort
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$153 | Average$254 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$485 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$269 | Average$408 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$269 | Average$414 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$276 | Average$492 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$288 | Average$372 | FlexibilityNo cancel fee | On-time71% |