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Dulles Intl

$135+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — IAD
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find 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 October 16, 2025.

This Delta deal was found by Cheapflights users on 10/16. 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.
Wed 11/126:05 pmSLC - IAD
Nonstop3h 53mDelta
Wed 11/197:10 amIAD - SLC
Nonstop4h 48mDelta
Deal found 10/16$269
This Trip.com deal was found by Cheapflights users on 10/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:05 amSLC - IAD
2 stops14h 06mFrontier
Wed 11/198:40 amIAD - SLC
2 stops13h 20mFrontier
Deal found 10/14$277
This Delta deal was found by Cheapflights users on 10/16. 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.
Fri 11/142:15 pmSLC - IAD
1 stop6h 48mDelta
Sun 11/167:10 amIAD - SLC
Nonstop4h 48mDelta
Deal found 10/16$279
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Fri 11/147:17 amSLC - IAD
1 stop7h 56mHawaiian Airlines
Sun 11/167:43 amIAD - SLC
1 stop8h 46mHawaiian Airlines
Deal found 10/16$282
This United Airlines deal was found by Cheapflights users on 10/14. 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 12/1512:28 amSLC - IAD
2 stops9h 26mUnited Airlines
Wed 1/75:44 pmIAD - SLC
Nonstop5h 02mUnited Airlines
Deal found 10/14$284
This Cheapflightsfares deal was found by Cheapflights users on 10/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:17 amSLC - IAD
1 stop7h 56mAlaska Airlines
Thu 11/137:43 amIAD - SLC
1 stop8h 46mAlaska Airlines
Deal found 10/15$286
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/2010:09 amSLC - IAD
Nonstop3h 58mUnited Airlines
Mon 11/245:55 pmIAD - SLC
Nonstop5h 00mUnited Airlines
Deal found 10/13$292
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/1110:09 amSLC - IAD
Nonstop3h 58mUnited Airlines
Fri 11/145:55 pmIAD - SLC
Nonstop5h 00mUnited Airlines
Deal found 10/14$293
This Southwest deal was found by Cheapflights users on 10/15. 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 11/126:30 amSLC - IAD
2 stops13h 30mSouthwest
Sat 11/153:55 pmIAD - SLC
1 stop6h 20mSouthwest
Deal found 10/15$294
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/86:00 amSLC - IAD
2 stops11h 21mAmerican Airlines
Tue 11/117:55 amIAD - SLC
2 stops11h 45mAmerican Airlines
Deal found 10/15$299
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/1310:09 amSLC - IAD
Nonstop3h 58mUnited Airlines
Sun 11/166:30 amIAD - SLC
1 stop7h 15mUnited Airlines
Deal found 10/14$301
This United Airlines deal was found by Cheapflights users on 10/15. 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 10/185:18 amSGU - IAD
1 stop6h 10mUnited Airlines
Fri 10/247:00 amIAD - SGU
1 stop11h 06mUnited Airlines
Deal found 10/15$443

Cheap 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(Delta)

One-way from

$135
(Delta)

Popular in

November

Cheapest in

July

Average price

$358

Good round-trip deal

$178 or less

Good one-way deal

$313 or less
Provider with most accurate pricing for Salt Lake City-Washington, D.C. (WAS) flight deals.
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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. 15% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Utah to Washington, D.C. Dulles Intl.
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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 October 16, 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

Wed 11/12

10:09 am-4:07 pm

Nonstop3h 58m

Washington, D.C. Dulles Intl

Wed 11/19

5:55 pm-8:55 pm

Nonstop5h 00m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Sat 12/6

5:33 pm-11:29 pm

Nonstop3h 56m

Washington, D.C. Dulles Intl

Sat 12/13

7:05 am-9:56 am

Nonstop4h 51m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 11/13

6:05 pm-11:58 pm

Nonstop3h 53m

Washington, D.C. Dulles Intl

Thu 11/20

7:10 am-9:58 am

Nonstop4h 48m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 11/13

7:17 am-5:13 pm

1 stop7h 56m

Washington, D.C. Dulles Intl

Mon 11/17

7:43 am-2:29 pm

1 stop8h 46m

$289

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 11/12

2:15 pm-11:03 pm

1 stop6h 48m

Washington, D.C. Dulles Intl

Wed 11/19

11:50 am-4:40 pm

1 stop6h 50m

$289

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 11/18

6:05 pm-11:58 pm

Nonstop3h 53m

Washington, D.C. Dulles Intl

Sun 12/7

7:05 am-9:56 am

Nonstop4h 51m

$304

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 12/19

5:45 am-5:30 pm

1 stop9h 45m

Washington, D.C. Dulles Intl

Sat 1/3

7:45 pm-12:35 am

1 stop6h 50m

$309

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 10/30

7:13 pm-5:13 pm

1 stop20h 00m

Washington, D.C. Dulles Intl

Mon 11/3

5:40 pm-11:32 am

1 stop19h 52m

$338

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Mon 11/24

1:59 pm-11:52 pm

1 stop7h 53m

Washington, D.C. Dulles Intl

Thu 12/4

7:05 am-9:56 am

Nonstop4h 51m

$344

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 12/11

7:12 pm-5:30 pm

1 stop20h 18m

Washington, D.C. Dulles Intl

Sun 12/14

5:37 pm-12:00 pm

2 stops20h 23m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 32 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 $348). 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 October 16, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 24% 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 October 12, 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 October 16, 2025.

The most flights from USUT to IAD are scheduled on a Monday (6 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 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 56m. United 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 cheapest airlines to fly from Utah to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $135. However, be on the lookout for offers from Alaska Airlines and Southwest, as they are both options that can get you from Utah to Washington, D.C. Dulles Intl Airport for a low price.

  • 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 Moab Canyonlands Field - 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: Lufthansa (95%), Delta (87%), Korean Air (86%).

  • 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 $175. On average you can expect to pay $442. The most popular route, (Salt Lake City - Washington, D.C. Dulles Intl), can usually be booked for $269.

  • 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 $348). 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
Arlington
Tysons
Springfield
Silver Spring
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf

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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 Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
Los Angeles to Reagan-National flights
Boston to Dulles Intl flights
O'Hare Intl to Reagan-National flights
O'Hare Intl to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Los Angeles to Dulles Intl flights
O'Hare Intl to Baltimore flights
Boston to Reagan-National flights
Los Angeles to Baltimore flights
Boston to Baltimore flights
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Atlanta to Baltimore flights
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Atlanta to Reagan-National flights
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San Francisco to Baltimore flights
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Detroit to Dulles Intl flights
Denver to Baltimore flights
Denver to Dulles Intl flights
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Orlando to Reagan-National flights
Tampa to Dulles Intl flights
Detroit to Baltimore flights
San Francisco to Dulles Intl flights
Hobby to Reagan-National flights
Orlando to Dulles Intl flights
Minneapolis to Dulles Intl flights
Denver to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
Seattle to Baltimore flights
Tampa to Baltimore flights
Midway to Dulles Intl flights
Austin to Dulles Intl flights
Miami to Reagan-National flights
Minneapolis to Reagan-National flights
Midway to Baltimore flights
Providence to Dulles Intl flights
Miami to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Fort Lauderdale to Baltimore flights
Orlando to Baltimore flights
John F Kennedy Intl to Reagan-National flights
Tampa to Reagan-National flights
George Bush Intcntl to Dulles Intl flights
George Bush Intcntl to Baltimore flights
LaGuardia 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$229FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$171Average$254FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$269Average$408FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$487FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$513FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$288Average$416FlexibilityNo cancel feeOn-time63%

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