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Salt Lake City

$149+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SLC
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Salt Lake City are usually found in November or July, booked 36 days in advance, depart on a Tuesday or Saturday and return on a Thursday

Cheap 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 April 23, 2026.

This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:49 pm
IAD
-
SLC
1 stop18h 20m
Multiple Airlines
Wed 7/11:50 pm
SLC
-
IAD
1 stop16h 35m
Multiple Airlines
Deal found 4/21$305
This Orbitz deal was found by Cheapflights users on 4/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:12 am
IAD
-
SLC
1 stop26h 18m
Frontier
Sun 6/79:36 pm
SLC
-
IAD
1 stop13h 10m
Frontier
Deal found 4/20$306
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Wed 5/279:12 am
IAD
-
SLC
1 stop26h 18m
Frontier
Fri 5/299:29 pm
SLC
-
IAD
2 stops10h 43m
Frontier
Deal found 4/22$307
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Tue 6/93:43 pm
IAD
-
SLC
1 stop27h 04m
Frontier
Tue 6/169:20 pm
SLC
-
IAD
2 stops13h 33m
Frontier
Deal found 4/22$309
This Southwest deal was found by Cheapflights users on 4/23. 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.
Tue 5/126:20 am
IAD
-
SLC
1 stop7h 30m
Southwest
Tue 5/191:20 pm
SLC
-
IAD
1 stop8h 20m
Southwest
Deal found 4/23$310
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Sun 5/317:45 am
IAD
-
SLC
2 stops27h 45m
Frontier
Wed 6/31:32 pm
SLC
-
IAD
1 stop16h 40m
Frontier
Deal found 4/22$311
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Thu 6/251:38 pm
IAD
-
SLC
1 stop10h 08m
Frontier
Fri 7/39:20 pm
SLC
-
IAD
2 stops10h 39m
Frontier
Deal found 4/20$312
This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:12 am
IAD
-
SLC
1 stop26h 18m
Frontier
Thu 5/281:32 pm
SLC
-
IAD
1 stop16h 40m
Frontier
Deal found 4/21$314
This Expedia deal was found by Cheapflights users on 4/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/221:31 pm
IAD
-
SLC
1 stop9h 20m
Frontier
Thu 5/281:32 pm
SLC
-
IAD
1 stop16h 40m
Frontier
Deal found 4/20$315
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Tue 6/24:01 pm
IAD
-
SLC
2 stops17h 37m
Frontier
Mon 6/81:32 pm
SLC
-
IAD
1 stop16h 53m
Frontier
Deal found 4/20$318

Find 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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$305
(Expedia)

One-way from

$149
(Super.com)

Popular in

March

Cheapest in

November

Average price

$393

Good round-trip deal

$360 or less

Good one-way deal

$255 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Salt Lake City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Salt Lake City flights.
Search Deals
From Washington, D.C. Dulles Intl to Salt Lake City
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Salt Lake City
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Salt Lake City.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Salt Lake City.
Search Deals

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 April 23, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Fri 9/25

7:15 am-10:02 am

Nonstop4h 47m

Salt Lake City

Sat 10/3

5:50 pm-11:51 pm

Nonstop4h 01m

$329

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Thu 8/6

5:46 pm-12:26 am

1 stop8h 40m

Salt Lake City

Mon 8/10

5:50 pm-11:51 pm

Nonstop4h 01m

$339

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Sat 8/22

7:25 am-10:12 am

Nonstop4h 47m

Salt Lake City

Mon 8/24

7:00 am-4:41 pm

1 stop7h 41m

$339

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Wed 10/7

9:00 am-6:19 pm

1 stop11h 19m

Salt Lake City

Mon 10/12

11:12 am-11:59 pm

1 stop10h 47m

$349

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Tue 5/19

11:15 am-6:12 pm

1 stop8h 57m

Salt Lake City

Tue 5/26

6:00 am-4:31 pm

1 stop8h 31m

$349

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Sat 5/30

5:50 pm-8:46 pm

Nonstop4h 56m

Salt Lake City

Sun 6/7

11:59 pm-6:13 am

Nonstop4h 14m

$362
Quickest round-trip

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Mon 5/11

7:30 am-10:03 am

Nonstop4h 33m

Salt Lake City

Sat 5/16

5:35 pm-11:32 pm

Nonstop3h 57m

$364

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Fri 7/10

5:50 pm-8:46 pm

Nonstop4h 56m

Salt Lake City

Mon 7/13

11:59 pm-6:13 am

Nonstop4h 14m

$385

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Thu 5/21

8:15 am-3:17 pm

1 stop9h 02m

Salt Lake City

Sun 5/24

11:59 pm-6:13 am

Nonstop4h 14m

$391

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Fri 8/7

6:00 am-10:21 am

1 stop6h 21m

Salt Lake City

Tue 8/11

5:50 pm-11:51 pm

Nonstop4h 01m

$404

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 21 resultsSorted by cheapest first
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3

Compare providers for flights from Dulles Intl to Salt Lake City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Salt Lake City in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Salt Lake City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Salt Lake City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Salt Lake City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Salt Lake City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Salt Lake City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

Booking 35 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City (average of $321). Flying from Washington, D.C. Dulles Intl Airport to Salt Lake City in March is currently the most expensive (average of $493). 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 April 23, 2026.

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.

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

The best insider tips for Washington, D.C. Dulles Intl Airport to Salt Lake City flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Salt Lake City trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on SLC and IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 April 23, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines 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.
Southwest
8.0
Very good
4,327 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Southwest
8.0
Very good
4,327 reviews
Southwest
8.0
Very good
4,327 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Delta
7.9
Good
8,438 reviews
Southwest
8.0
Very good
4,327 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
United Airlines
7.4
Good
9,637 reviews
Southwest
8.0
Very good
4,327 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
American Airlines
7.1
Good
11,659 reviews
Southwest
8.0
Very good
4,327 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Frontier
5.7
Fair
2,981 reviews
Southwest
8.0
Very good
4,327 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

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 5 flights from Washington, D.C. Dulles Intl to Salt Lake City per day from 6 different airlines.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Salt Lake City?

    Airlines like Delta and Alaska Airlines fly from Washington, D.C. Dulles Intl Airport to Salt Lake City in about 4h 47m. The time it takes to get you to your destination can typically vary by up to 6h 32m. Washington, D.C. Dulles Intl Airport and Salt Lake City are separated by a distance of 1823 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Frontier, at $153, 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 Alaska Airlines and United Airlines. Frontier is currently priced 61% 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 $116. However, be on the lookout for offers from Southwest and United 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 Lufthansa (87%), United Airlines (85%) or Korean Air (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 $735, our data shows the cheapest flight currently is $144. When looking at the most popular route, (Washington, D.C. Dulles Intl - Salt Lake City), you can expect to pay $210 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City (average of $321). Flying from Washington, D.C. Dulles Intl Airport to Salt Lake City in March is currently the most expensive (average of $493). 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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Alternative routes for Dulles Intl to Salt Lake City

See prices for flight routes from nearby airports that may be better suited for you.
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Dulles Intl to Cedar City flights

Top 6 airlines flying from Dulles Intl to Salt Lake City

Discover the top 6 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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$153Average$248FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$268Average$485FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$269Average$397FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$389FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$276Average$379FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$288Average$378FlexibilityNo cancel feeOn-time71%

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