Cheap Flights from Washington D.C. to Salt Lake City from US$82

Frequently Asked Questions

• What are the cheapest flights from Washington D.C. to Salt Lake City (WAS-SLC)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$82 on Cheapest nonstop routes (e.g. IAD to SLC on Thu, Jul 16), while Frontier Airlines offers Cheapest nonstop round-trips from US$263 departing on Sun, Jun 21 and returning on Sat, Jun 27.

• Which airlines offer direct flights from Washington D.C. to Salt Lake City?

  At the moment, you can catch a nonstop flight from Washington D.C. to Salt Lake City with the following airlines, including: Delta Air Lines United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Washington D.C. to Salt Lake City?

  It takes about 4 hours 56 minutes to fly from Washington D.C. to Salt Lake City.

• When is the best time to book flights from Washington D.C. to Salt Lake City?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to Salt Lake City is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Washington D.C. to Salt Lake City?

  Based on Trip.com data in the past 4 weeks, there is 19 flight per week flying from Washington D.C. to Salt Lake City. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL432 (07:20)

• How can I find the best deals on flights from Washington D.C. to Salt Lake City?

  To find best deals on flights from Washington D.C. to Salt Lake City, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Jul 16, with one-way flights priced at just US$82.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Salt Lake City travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Washington D.C. (WAS) to Salt Lake City (SLC) the cheapest?

  The cheapest months to fly from Washington D.C. to Salt Lake City is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Washington D.C. to Salt Lake City on?

  After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Washington D.C. to Salt Lake City on June 29, 2026 with Frontier Airlines, with prices starting at US$127.

• Which airports can I fly to for Salt Lake City from Washington D.C.?

  You can land at any one of the following hubs in Salt Lake City, with Dulles International Airport to Salt Lake City International Airport (IAD-SLC) is by far the most common option on this route: Salt Lake City International Airport (SLC).

• Is there any time difference between Washington D.C. and Salt Lake City?

  The time difference between Salt Lake City and Washington D.C. is 2h.

• How do I change or cancel my ticket from Washington D.C. to Salt Lake City?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.