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Dulles Intl

$119+ Cheap flights from Utah to Dulles Intl (IAD)

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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — IAD
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Utah to Dulles Intl

Cheapest flights from Utah to Dulles Intl
Explore the most affordable flight options available from Utah to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/2. 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.
Mon 12/2911:59 pmSLC - IAD
Nonstop3h 53mUnited Airlines
Mon 1/55:55 pmIAD - SLC
Nonstop5h 02mUnited Airlines
Deal found 12/2$269
This eDestinos deal was found by Cheapflights users on 12/3. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:25 pmSLC - IAD
2 stops41h 51mFrontier
Thu 1/15:35 amIAD - SLC
2 stops33h 19mFrontier
Deal found 12/3$274
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Thu 12/2511:59 pmSLC - IAD
Nonstop3h 53mUnited Airlines
Thu 1/82:24 pmIAD - SLC
1 stop6h 50mUnited Airlines
Deal found 12/3$279
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Wed 12/315:10 amSLC - IAD
1 stop6h 06mUnited Airlines
Wed 1/75:44 pmIAD - SLC
Nonstop5h 02mUnited Airlines
Deal found 12/3$293
This United Airlines deal was found by Cheapflights users on 12/4. 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.
Fri 12/265:10 amSLC - IAD
1 stop6h 06mUnited Airlines
Fri 1/26:30 amIAD - SLC
1 stop7h 16mUnited Airlines
Deal found 12/4$303
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Fri 12/1911:59 pmSLC - IAD
Nonstop3h 53mUnited Airlines
Mon 1/55:55 pmIAD - SLC
Nonstop5h 02mUnited Airlines
Deal found 12/3$304
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/258:58 pmSLC - IAD
2 stops12h 40mFrontier
Thu 1/89:59 pmIAD - SLC
1 stop21h 22mFrontier
Deal found 12/3$309
This Southwest deal was found by Cheapflights users on 12/1. 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.
Wed 12/315:30 amSLC - IAD
1 stop8h 15mSouthwest
Wed 1/74:30 pmIAD - SLC
1 stop7h 55mSouthwest
Deal found 12/1$320
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Tue 12/2311:59 pmSLC - IAD
Nonstop3h 53mUnited Airlines
Sat 1/35:20 pmIAD - SLC
1 stop6h 55mUnited Airlines
Deal found 12/3$328
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Sat 12/1312:07 pmSGU - IAD
1 stop7h 15mUnited Airlines
Sat 1/108:15 amIAD - SGU
1 stop6h 58mUnited Airlines
Deal found 12/3$358
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Sat 12/1311:00 amSGU - IAD
1 stop9h 28mAmerican Airlines
Sat 1/1011:34 amIAD - SGU
2 stops11h 48mAmerican Airlines
Deal found 12/3$364
This Delta deal was found by Cheapflights users on 12/3. 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.
Sat 12/137:15 pmSGU - IAD
2 stops11h 56mDelta
Sat 1/108:00 amIAD - SGU
2 stops12h 32mDelta
Deal found 12/3$369

Find flight deals from Utah to Dulles Intl

Keep the following information in mind while searching for Utah to Dulles Intl flight deals. Data was last updated December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$257
(American Airlines)

One-way from

$119
(Kiwi.com)

Popular in

November

Cheapest in

July

Average price

$444

Good round-trip deal

$369 or less

Good one-way deal

$273 or less
Provider with most accurate pricing for Salt Lake City-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Salt Lake City-Washington, D.C. (WAS) flights.
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From Utah to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Utah to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 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 Utah to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Utah to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Utah to Dulles Intl 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 December 4, 2025.
Use the filters below to find and compare flights from Utah to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Utah

Fly to

Dulles Intl

Route

Depart

Return

Price

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 2/26

6:20 am-5:20 pm

1 stop9h 00m

Washington, D.C. Dulles Intl

Mon 3/2

7:05 am-2:26 pm

1 stop9h 21m

$264

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 2/25

5:55 pm-11:46 pm

Nonstop3h 51m

Washington, D.C. Dulles Intl

Sun 3/1

7:05 am-10:02 am

Nonstop4h 57m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 2/25

11:35 am-9:55 pm

1 stop8h 20m

Washington, D.C. Dulles Intl

Sat 2/28

5:05 am-1:55 pm

2 stops10h 50m

$274

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Sat 1/17

7:35 am-6:29 pm

1 stop8h 54m

Washington, D.C. Dulles Intl

Sat 1/24

5:44 pm-8:46 pm

Nonstop5h 02m

$275

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 1/15

10:05 am-3:59 pm

Nonstop3h 54m

Washington, D.C. Dulles Intl

Sun 1/18

2:24 pm-7:14 pm

1 stop6h 50m

$279

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 2/26

5:55 pm-11:46 pm

Nonstop3h 51m

Washington, D.C. Dulles Intl

Mon 3/2

7:05 am-10:02 am

Nonstop4h 57m

$279

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 1/8

5:55 pm-11:48 pm

Nonstop3h 53m

Washington, D.C. Dulles Intl

Tue 1/13

7:05 am-10:02 am

Nonstop4h 57m

$279

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 1/16

3:25 pm-11:37 pm

1 stop6h 12m

Washington, D.C. Dulles Intl

Mon 1/19

7:05 am-10:02 am

Nonstop4h 57m

$279

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 1/7

7:55 am-11:10 pm

1 stop13h 15m

Washington, D.C. Dulles Intl

Tue 1/13

7:05 am-10:02 am

Nonstop4h 57m

$282

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 1/16

7:35 am-6:29 pm

1 stop8h 54m

Washington, D.C. Dulles Intl

Mon 1/19

12:35 pm-5:08 pm

1 stop6h 33m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 36 results
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Best time to book a flight from Utah to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Utah 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 Utah to Washington, D.C. Dulles Intl Airport

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

Currently, January is the cheapest month in which you can book a flight from Utah to Washington, D.C. Dulles Intl Airport (average of $165). Flying from Utah to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $294). 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 UT to IAD?

Find hourly flight availability from Utah to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 27% on flights from Utah to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Utah to Dulles Intl. Price data was last updated on November 29, 2025.

Travelers seeking maximum savings on their Utah to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Utah to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Utah to Dulles Intl. 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 December 4, 2025.

The most flights from USUT to IAD are scheduled on a Wednesday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

Find useful and relevant information for your journey from Utah to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from Utah to Washington, D.C. Dulles Intl Airport can take about 3h 51m. Alaska Airlines provides one of the quickest options available for as low as $269. Utah and Washington, D.C. Dulles Intl Airport 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 most popular routes from Utah to Washington, D.C. Dulles Intl Airport?

    When deciding which route to take from Utah to Washington, D.C. Dulles Intl Airport consider Salt Lake City - Washington, D.C. Dulles Intl, Saint George - Washington, D.C. Dulles Intl or Vernal Regional - Washington, D.C. Dulles Intl as they are the most popular.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Utah to Washington, D.C. Dulles Intl Airport on time: United Airlines (95%), Lufthansa (95%), Korean Air (87%).

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

    The cheapest flight price from Utah to Washington, D.C. Dulles Intl Airport is $189. On average you can expect to pay $475. The most popular route, (Salt Lake City - Washington, D.C. Dulles Intl), can usually be booked for $217.

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

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

  • How can I find direct flights from Utah to Dulles Intl?

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

  • Can I find deals for business class flights from Utah to Dulles Intl?

    Yes. Cheapflights offers flight deals from Utah to Dulles Intl 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 Utah to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Utah to Washington, D.C. Dulles Intl Airport (average of $165). Flying from Utah to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $294). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Utah to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Baltimore flights
Los Angeles to Reagan-National flights
Dallas/Fort Worth to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Los Angeles to Baltimore flights
Boston to Baltimore flights
Los Angeles to Dulles Intl flights
Boston to Dulles Intl flights
Atlanta to Baltimore flights
San Francisco to Dulles Intl flights
Atlanta to Reagan-National flights
O'Hare Intl to Baltimore flights
Boston to Reagan-National flights
San Francisco to Reagan-National flights
Atlanta to Dulles Intl flights
Hobby to Baltimore flights
Seattle to Dulles Intl flights
Hobby to Dulles Intl flights
O'Hare Intl to Dulles Intl flights
O'Hare Intl to Reagan-National flights
Tampa to Dulles Intl flights
San Francisco to Baltimore flights
Orlando to Dulles Intl flights
Orlando to Reagan-National flights
Minneapolis to Dulles Intl flights
LaGuardia to Reagan-National flights
Hobby to Reagan-National flights
Seattle to Reagan-National flights
Denver to Baltimore flights
Fort Lauderdale to Baltimore flights
Denver to Dulles Intl flights
John F Kennedy Intl to Reagan-National flights
Austin to Dulles Intl flights
Fort Lauderdale to Dulles Intl flights
George Bush Intcntl to Baltimore flights
John F Kennedy Intl to Dulles Intl flights
Miami to Baltimore flights
Charlotte to Baltimore flights
Tampa to Reagan-National flights
Orlando to Baltimore flights
Minneapolis to Baltimore flights
George Bush Intcntl to Dulles Intl flights
Charlotte to Dulles Intl flights
Miami to Dulles Intl flights
Detroit to Baltimore flights
Miami to Reagan-National flights
Detroit to Dulles Intl flights
Minneapolis to Reagan-National flights
San Diego to Dulles Intl flights
Fort Lauderdale to Reagan-National flights

Top 6 airlines flying from Utah to Dulles Intl

Discover the top 6 airlines that operate flights from Utah to Dulles Intl. 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$175Average$257FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$185Average$229FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$269Average$396FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$421FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$513FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$288Average$416FlexibilityNo cancel feeOn-time63%

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