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 65% 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 American 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.

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

The most flights from IAD to SLC are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

In terms of precipitation, rainfall in Salt Lake City ranges from 0.6 - 2.0 inches per month. April is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Salt Lake City when rainfall is around 0.6 in.

If weather is an important factor for your trip to Salt Lake City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 $590, our data shows the cheapest flight currently is $269. When looking at the most popular route, (Washington, D.C. Dulles Intl - Salt Lake City), you can expect to pay $224 for that flight.

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

Consider United Airlines (85%), Lufthansa (85%) or Aeromexico (82%) 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 most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Salt Lake City?

When booking a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City, you may want to consider flying on Delta, United Airlines or Southwest as they are the most popular for this route.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Salt Lake City flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Salt Lake City flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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

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.

$150+ Flights from Washington, D.C. Dulles Intl Airport to Salt Lake City

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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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 77 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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 December 12, 2025.

Wed 12/311:57 pmIAD - SLC

1 stop9h 49mAmerican Airlines

Sat 1/105:30 amSLC - IAD

1 stop9h 01mAmerican Airlines

Deal found 12/10

$289

Wed 12/315:55 pmIAD - SLC

Nonstop5h 02mUnited Airlines

Mon 1/57:15 amSLC - IAD

1 stop8h 15mUnited Airlines

Deal found 12/9

$297

Wed 12/244:00 pmIAD - SLC

1 stop6h 55mUnited Airlines

Wed 12/311:19 pmSLC - IAD

1 stop8h 30mUnited Airlines

Deal found 12/10

$324

Wed 12/315:55 pmIAD - SLC

Nonstop5h 02mUnited Airlines

Sat 1/1010:10 amSLC - IAD

1 stop7h 11mUnited Airlines

Deal found 12/9

$369

Wed 12/172:16 pmIAD - SLC

1 stop8h 03mAmerican Airlines

Sat 2/75:30 amSLC - IAD

1 stop9h 01mAmerican Airlines

Deal found 12/10

$384

Best flights from Dulles Intl to Salt Lake City
Discover carefully curated flight deals from Dulles Intl to Salt Lake City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Wed 4/155:55 pmIAD - SLC

Nonstop5h 06mUnited Airlines

Sun 4/199:37 amSLC - IAD

Nonstop4h 13mUnited Airlines

Deal found 12/10

$269

Tue 2/107:05 amIAD - SLC

Nonstop4h 57mDelta

Sat 2/145:55 pmSLC - IAD

Nonstop3h 51mDelta

Deal found 12/8

$269

Fri 2/277:05 amIAD - SLC

1 stop9h 21mAlaska Airlines

Mon 3/26:52 pmSLC - IAD

1 stop20h 35mAlaska Airlines

Deal found 12/11

$289

Mon 2/95:44 pmIAD - SLC

Nonstop5h 02mUnited Airlines

Sat 2/147:30 amSLC - IAD

1 stop6h 35mUnited Airlines

Deal found 12/10

$275

Mon 1/197:05 amIAD - SLC

Nonstop4h 57mDelta

Mon 2/211:20 pmSLC - IAD

1 stop7h 53mDelta

Deal found 12/9

$279

Sat 1/312:24 pmIAD - SLC

1 stop6h 50mUnited Airlines

Tue 2/310:05 amSLC - IAD

Nonstop3h 54mUnited Airlines

Deal found 12/10

$279

Sat 2/75:26 pmIAD - SLC

1 stop6h 25mDelta

Sat 2/145:55 pmSLC - IAD

Nonstop3h 51mDelta

Deal found 12/9

$279

Wed 1/286:03 amIAD - SLC

1 stop8h 12mUnited Airlines

Wed 2/410:05 amSLC - IAD

Nonstop3h 54mUnited Airlines

Deal found 12/10

$279

Sat 5/25:00 pmIAD - SLC

1 stop7h 05mDelta

Tue 5/125:50 pmSLC - IAD

Nonstop4h 01mDelta

Deal found 12/9

$279

Tue 3/172:07 pmIAD - SLC

1 stop9h 57mDelta

Tue 3/246:00 amSLC - IAD

1 stop8h 40mDelta

Deal found 12/9

$289

Sat 1/175:27 pmIAD - SLC

1 stop6h 37mDelta

Tue 2/32:07 pmSLC - IAD

1 stop7h 50mDelta

Deal found 12/9

$289

Sat 1/175:27 pmIAD - SLC

1 stop6h 37mDelta

Fri 1/302:07 pmSLC - IAD

1 stop7h 50mDelta

Deal found 12/9

$289

Last-minute flights from Dulles Intl to Salt Lake City
Discover last-minute flight deals from Dulles Intl to Salt Lake City. Data last updated December 12, 2025 and is based on user searches.

Tue 1/67:33 amIAD - SLC

1 stop15h 44mAlaska Airlines

Mon 1/123:40 pmSLC - IAD

1 stop22h 46mAlaska Airlines

Deal found 12/11

$285

Wed 1/75:30 pmIAD - SLC

1 stop6h 35mSouthwest

Tue 1/136:15 amSLC - IAD

1 stop8h 35mSouthwest

Deal found 12/9

$289

Thu 1/85:44 pmIAD - SLC

Nonstop5h 02mUnited Airlines

Thu 1/1510:05 amSLC - IAD

Nonstop3h 54mUnited Airlines

Deal found 12/9

$269

Thu 1/89:59 pmIAD - SLC

1 stop21h 22mFrontier

Sun 1/116:40 amSLC - IAD

2 stops12h 16mFrontier

Deal found 12/10

$276

Sat 1/175:44 pmIAD - SLC

Nonstop5h 02mUnited Airlines

Tue 1/206:30 amSLC - IAD

1 stop7h 44mUnited Airlines

Deal found 12/11

$293

Sun 1/1811:00 amIAD - SLC

1 stop8h 10mMultiple Airlines

Fri 1/237:14 amSLC - IAD

1 stop7h 50mMultiple Airlines

Deal found 12/11

$270

Mon 1/196:00 amIAD - SLC

1 stop8h 12mDelta

Fri 1/305:55 pmSLC - IAD

Nonstop3h 53mDelta

Deal found 12/9

$279

Fri 1/3010:50 amIAD - SLC

1 stop12h 49mMultiple Airlines

Fri 2/66:16 pmSLC - IAD

1 stop20h 48mMultiple Airlines

Deal found 12/10

$282

Sat 1/312:24 pmIAD - SLC

1 stop6h 50mUnited Airlines

Tue 2/36:30 amSLC - IAD

1 stop7h 44mUnited Airlines

Deal found 12/9

$284

Sat 1/313:45 pmIAD - SLC

1 stop6h 45mSouthwest

Tue 2/311:30 amSLC - IAD

2 stops8h 25mSouthwest

Deal found 12/9

$294

One-way flights from Dulles Intl to Salt Lake City
Search for one-way flight options from Dulles Intl to Salt Lake City. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Tue 2/175:30 amIAD - SLC

2 stops10h 05mSouthwest

Deal found 12/8

$150

Fri 6/512:49 pmIAD - SLC

1 stop6h 43mSun Country Air

Deal found 12/9

$153

Mon 2/168:15 amIAD - SLC

2 stops29h 46mFrontier

Deal found 12/10

$154

Wed 1/75:26 pmIAD - SLC

1 stop6h 40mDelta

Deal found 12/9

$155

Mon 3/98:09 amIAD - SLC

2 stops28h 45mFrontier

Deal found 12/10

$156

Mon 3/25:20 pmIAD - SLC

3 stops21h 02mMultiple Airlines

Deal found 12/8

$157

Mon 2/25:33 pmIAD - SLC

3 stops22h 56mMultiple Airlines

Deal found 12/10

$158

Tue 1/278:00 amIAD - SLC

2 stops28h 49mMultiple Airlines

Deal found 12/8

$159

Wed 1/281:08 pmIAD - SLC

2 stops11h 00mAmerican Airlines

Deal found 12/11

$160

Mon 2/165:02 pmIAD - SLC

3 stops30h 47mMultiple Airlines

Deal found 12/10

$161

Tue 1/66:00 amIAD - SLC

3 stops34h 37mMultiple Airlines

Deal found 12/10

$162

Sun 4/129:58 pmIAD - SLC

2 stops28h 10mFrontier

Deal found 12/10

$163

Find flight deals from Dulles Intl to Salt Lake City

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$269 (United Airlines)
One-way from	$150 (Southwest)
Popular in	March
Cheapest in	November
Average price	$541
Good round-trip deal	$358 or less
Good one-way deal	$334 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. 18% potential increase in price ($102 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

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

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

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Wed 4/15

5:55 pm-9:01 pm

Nonstop5h 06m

Salt Lake City

Sun 4/19

9:37 am-3:50 pm

Nonstop4h 13m

$269

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Tue 2/10

7:05 am-10:02 am

Nonstop4h 57m

Salt Lake City

Sat 2/14

5:55 pm-11:46 pm

Nonstop3h 51m

$269

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Mon 2/9

5:44 pm-8:46 pm

Nonstop5h 02m

Salt Lake City

Sat 2/14

7:30 am-4:05 pm

1 stop6h 35m

$275

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Mon 1/19

7:05 am-10:02 am

Nonstop4h 57m

Salt Lake City

Mon 2/2

11:20 pm-9:13 am

1 stop7h 53m

$279

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Sat 1/31

2:24 pm-7:14 pm

1 stop6h 50m

Salt Lake City

Tue 2/3

10:05 am-3:59 pm

Nonstop3h 54m

$279

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Sat 2/7

5:26 pm-9:51 pm

1 stop6h 25m

Salt Lake City

Sat 2/14

5:55 pm-11:46 pm

Nonstop3h 51m

$279

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Wed 1/28

6:03 am-12:15 pm

1 stop8h 12m

Salt Lake City

Wed 2/4

10:05 am-3:59 pm

Nonstop3h 54m

$279

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Sat 5/2

5:00 pm-10:05 pm

1 stop7h 05m

Salt Lake City

Tue 5/12

5:50 pm-11:51 pm

Nonstop4h 01m

$279

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Fri 2/27

7:05 am-2:26 pm

1 stop9h 21m

Salt Lake City

Mon 3/2

6:52 pm-5:27 pm

1 stop20h 35m

$289

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Tue 3/17

2:07 pm-10:04 pm

1 stop9h 57m

Salt Lake City

Tue 3/24

6:00 am-4:40 pm

1 stop8h 40m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 22 results

Compare providers for flights from Dulles Intl to Salt Lake City

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
JustAirTicket	Price 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Salt Lake City flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

Prices

Airlines

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

Booking 77 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City (average of $158). Flying from Washington, D.C. Dulles Intl Airport to Salt Lake City in March is currently the most expensive (average of $297). 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?

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Salt Lake City in the morning. Doing so could potentially save you 16% on the flight price compared to flying in the evening, which is usually more expensive.

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

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Salt Lake City trip

Airports

IAD

Check-in at IAD can be crowded in the afternoon. Arrive early to navigate the busy check-in area smoothly.

SLC

Use the TRAX light rail for quick access to downtown SLC from the airport. It's convenient and cost-effective.

Our travel experts

Ramsey Qubein

Expert on SLC and IAD

Reviews of airlines servicing Salt Lake City

Read reviews from past customers who have flown Southwest, Delta, and United 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

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,253 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,008 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,095 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,050 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,084 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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 2 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 United Airlines and Delta fly from Washington, D.C. Dulles Intl Airport to Salt Lake City in about 4h 57m. The time it takes to get you to your destination is usually consistent. Washington, D.C. Dulles Intl Airport and Salt Lake City are separated by a distance of 1823 mi. Most flights are nonstop.
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 65% 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 American 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 United Airlines (85%), Lufthansa (85%) or Aeromexico (82%) 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 $590, our data shows the cheapest flight currently is $269. When looking at the most popular route, (Washington, D.C. Dulles Intl - Salt Lake City), you can expect to pay $224 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City (average of $158). Flying from Washington, D.C. Dulles Intl Airport to Salt Lake City in March is currently the most expensive (average of $297). 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

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Top 6 airlines flying from Dulles Intl to Salt Lake City

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$177	Average$255	FlexibilityNo cancel fee	On-time62%
Alaska Airlines	Cheapest$268	Average$485	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$269	Average$436	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$269	Average$447	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$288	Average$463	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$290	Average$525	FlexibilityNo cancel fee	On-time63%

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$150+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Salt Lake City with Cheapflights

1. Tell us where you want to go

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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 77 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Dulles Intl to Salt Lake City

Cheapest flights from Dulles Intl to Salt Lake CityExplore 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 December 12, 2025.

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 December 12, 2025.

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Best time to book a flight from Dulles Intl to Salt Lake City

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

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

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Weekly flight availability 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

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Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Salt Lake City trip

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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?

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

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

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What are the most reliable airlines 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?

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

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

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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 December 12, 2025.