Salt Lake City

$127+ Cheap flights from Dulles Intl (IAD) to Salt Lake City (SLC)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SLC
ago. 2 — ago. 91
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Salt Lake City are usually found in July or May, booked 19 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Dulles Intl to Salt Lake City

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Salt Lake City (SLC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 28, 2025.

Round-trip from

$271
(Delta)

One-way from

$127
(FlightHub)

Popular in

December

Cheapest in

July

Average price

$359

Good round-trip deal

$312 or less

Good one-way deal

$258 or less
From Washington, D.C. Dulles Intl to Salt Lake City
One-way flight from Washington, D.C. Dulles Intl to Salt Lake City
Highest demand for flights based on searches. 15% potential increase in price ($95 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Salt Lake City.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Salt Lake City.

Find flight deals from Dulles Intl to Salt Lake City

Cheapest flights from Dulles Intl to Salt Lake City
Explore the most affordable flight options available from Dulles Intl to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 28, 2025.

This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/207:05 amIAD - SLC
Nonstop4h 28mDelta
sáb. 9/275:35 pmSLC - IAD
Nonstop3h 58mDelta
Deal found 7/28$271
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/107:00 amIAD - SLC
1 stop9h 35mHawaiian Airlines
mié. 9/178:58 pmSLC - IAD
1 stop8h 35mHawaiian Airlines
Deal found 7/27$272
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/169:00 amIAD - SLC
1 stop11h 30mAlaska Airlines
mar. 9/168:58 pmSLC - IAD
1 stop8h 35mAlaska Airlines
Deal found 7/28$285
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/85:47 pmIAD - SLC
1 stop6h 11mUnited Airlines
lun. 9/227:00 amSLC - IAD
1 stop7h 30mUnited Airlines
Deal found 7/28$286
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/277:44 amIAD - SLC
2 stops10h 42mAmerican Airlines
lun. 9/111:58 pmSLC - IAD
1 stop7h 55mAmerican Airlines
Deal found 7/27$296
This Priceline deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/111:04 amIAD - SLC
1 stop9h 48mFrontier
lun. 8/45:03 pmSLC - IAD
1 stop11h 31mFrontier
Deal found 7/27$299
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/287:35 amIAD - SLC
1 stop7h 05mSouthwest
lun. 9/15:25 amSLC - IAD
1 stop5h 55mSouthwest
Deal found 7/26$304
This Mytrip deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/185:40 pmIAD - SLC
3 stops22h 17mMultiple Airlines
lun. 8/253:02 pmSLC - IAD
3 stops23h 13mMultiple Airlines
Deal found 7/27$323

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Salt Lake City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Salt Lake City that are best for you.

Fly from

Dulles Intl

Fly to

Salt Lake City

Route

Depart

Return

Price

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

sáb. 9/20

7:05 am-9:33 am

Nonstop4h 28m

Salt Lake City

mié. 9/24

5:35 pm-11:33 pm

Nonstop3h 58m

$271

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

mié. 9/10

7:00 am-2:35 pm

1 stop9h 35m

Salt Lake City

mié. 9/17

8:58 pm-7:33 am

1 stop8h 35m

$272

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

mar. 9/16

9:00 am-6:30 pm

1 stop11h 30m

Salt Lake City

mar. 9/16

8:58 pm-7:33 am

1 stop8h 35m

$285

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

lun. 9/8

5:47 pm-9:58 pm

1 stop6h 11m

Salt Lake City

lun. 9/22

7:00 am-4:30 pm

1 stop7h 30m

$286

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

mié. 8/27

7:44 am-4:26 pm

2 stops10h 42m

Salt Lake City

lun. 9/1

11:58 pm-9:53 am

1 stop7h 55m

$296

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

vie. 8/1

11:04 am-6:52 pm

1 stop9h 48m

Salt Lake City

lun. 8/4

5:03 pm-6:34 am

1 stop11h 31m

$299

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

jue. 8/28

7:35 am-12:40 pm

1 stop7h 05m

Salt Lake City

lun. 9/1

5:25 am-1:20 pm

1 stop5h 55m

$304

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

lun. 8/18

5:40 pm-1:57 pm

3 stops22h 17m

Salt Lake City

lun. 8/25

3:02 pm-4:15 pm

3 stops23h 13m

$323

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

sáb. 8/30

8:00 am-10:52 am

1 stop28h 52m

$127

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

lun. 9/22

9:00 am-6:30 pm

1 stop11h 30m

$133

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 15 results
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Best time to book a flight from Dulles Intl to Salt Lake City

Have a flexible travel schedule? Discover the best time to fly to Salt Lake City from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Salt Lake City

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Salt Lake City. Price data was last updated on July 25, 2025.

Booking 19 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.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City (average of $277). Flying from Washington, D.C. Dulles Intl Airport to Salt Lake City in March is currently the most expensive (average of $417). 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.

What is the cheapest time of day to fly from IAD to SLC?

Find hourly flight availability from Dulles Intl to Salt Lake City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 28, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Salt Lake City at noon. Doing so could potentially save you 17% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Salt Lake City?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Salt Lake City. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Salt Lake City flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Salt Lake City

Explore weekly flight availability from Dulles Intl to Salt Lake City. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated julio 28, 2025.

The most flights from IAD to SLC are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Salt Lake City?

Reviews of airlines servicing Salt Lake City

Get insights into the airlines that provide service to Salt Lake City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Salt Lake City. Reviews last updated julio 28, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Washington, D.C. Dulles Intl Airport to Salt Lake City. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
8.0
Very good

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Salt Lake City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Salt Lake City from Washington, D.C. Dulles Intl?

    If you book a flight to Salt Lake City from Washington, D.C. Dulles Intl, you will be flying to Salt Lake City, which is the city’s only airport. Salt Lake City (SLC) is located 5.7 mi from the center of Salt Lake City. There are 4 flights from Washington, D.C. Dulles Intl to Salt Lake City per day from 5 different airlines.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Salt Lake City round-trip?

    Delta, at $271, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Salt Lake City.Alternate airlines to your destination round-trip include Hawaiian Airlines and Alaska Airlines. Delta is currently priced 47% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Salt Lake City one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $127. However, be on the lookout for offers from Hawaiian Airlines and Alaska Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Salt Lake City for a low price.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Salt Lake City?

    Consider Sun Country Air (100%), WestJet (86%) or Delta (84%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Salt Lake City.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Salt Lake City?

    While on average a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City is generally $792, our data shows the cheapest flight currently is $149. When looking at the most popular route, (Washington, D.C. Dulles Intl - Salt Lake City), you can expect to pay $271 for that flight.

  • Can I find deals for flights from Dulles Intl to Salt Lake City that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Salt Lake City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Salt Lake City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Salt Lake City.

  • Can I find deals for business class flights from Dulles Intl to Salt Lake City?

    Yes. Cheapflights offers flight deals from Dulles Intl to Salt Lake City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City (average of $277). Flying from Washington, D.C. Dulles Intl Airport to Salt Lake City in March is currently the most expensive (average of $417). 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.

See more FAQs

Traveling to a place near Salt Lake City?

Book flights to Salt Lake City if you plan to visit one of these locations
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Top 5 airlines flying from Dulles Intl to Salt Lake City

Discover the top 5 airlines that operate flights from Dulles Intl to Salt Lake City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$169Average$250FlexibilityNo cancel feeOn-time62%
DeltaCheapest$269Average$521FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$278Average$471FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$290Average$525FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$291Average$519FlexibilityNo cancel feeOn-time69%

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