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Dulles Intl

$145+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — IAD
Jun 25 — Jul 21
Thu 6/25
Thu 7/2
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 May 26, 2026.

This Gotogate deal was found by Cheapflights users on 5/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:47 pm
SLC
-
IAD
1 stop16h 33m
Frontier
Sun 8/29:50 am
IAD
-
SLC
1 stop25h 36m
Frontier
Deal found 5/24$288
This Expedia deal was found by Cheapflights users on 5/21. 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.
Mon 6/221:50 pm
SLC
-
IAD
1 stop16h 35m
Frontier
Sun 6/289:55 am
IAD
-
SLC
1 stop25h 40m
Frontier
Deal found 5/21$290
This Super.com deal was found by Cheapflights users on 5/24. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/111:50 pm
SLC
-
IAD
1 stop16h 35m
Frontier
Sun 6/149:55 am
IAD
-
SLC
1 stop25h 40m
Frontier
Deal found 5/24$291
This Booking.com deal was found by Cheapflights users on 5/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/41:32 pm
SLC
-
IAD
1 stop16h 40m
Frontier
Sun 6/79:12 am
IAD
-
SLC
1 stop26h 18m
Frontier
Deal found 5/21$292
This Trip.com deal was found by Cheapflights users on 5/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:50 pm
SLC
-
IAD
1 stop16h 35m
Frontier
Fri 7/109:50 am
IAD
-
SLC
1 stop25h 36m
Frontier
Deal found 5/26$297
This Trip.com deal was found by Cheapflights users on 5/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/61:32 pm
SLC
-
IAD
1 stop16h 40m
Frontier
Wed 7/229:50 am
IAD
-
SLC
1 stop25h 36m
Frontier
Deal found 5/23$299
This Gotogate deal was found by Cheapflights users on 5/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:50 pm
SLC
-
IAD
1 stop16h 35m
Frontier
Mon 6/299:55 am
IAD
-
SLC
1 stop25h 40m
Frontier
Deal found 5/21$300
This Super.com deal was found by Cheapflights users on 5/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:50 pm
SLC
-
IAD
1 stop16h 35m
Frontier
Wed 7/159:50 am
IAD
-
SLC
1 stop25h 36m
Frontier
Deal found 5/25$302
This Expedia deal was found by Cheapflights users on 5/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:47 pm
SLC
-
IAD
1 stop16h 33m
Frontier
Sun 7/129:50 am
IAD
-
SLC
1 stop25h 36m
Frontier
Deal found 5/26$304
This Expedia deal was found by Cheapflights users on 5/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:32 pm
SLC
-
IAD
1 stop16h 40m
Frontier
Sat 7/119:30 am
IAD
-
SLC
1 stop25h 56m
Frontier
Deal found 5/22$305
This Delta deal was found by Cheapflights users on 5/25. 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 8/265:40 pm
SLC
-
IAD
Nonstop3h 59m
Delta
Wed 9/27:00 am
IAD
-
SLC
Nonstop4h 39m
Delta
Deal found 5/25$309
This Trip.com deal was found by Cheapflights users on 5/24. 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.
Fri 7/31:50 pm
SLC
-
IAD
1 stop16h 35m
Frontier
Sat 7/119:30 am
IAD
-
SLC
1 stop25h 56m
Frontier
Deal found 5/24$310

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 May 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$288
(Gotogate)

One-way from

$145
(Super.com)

Popular in

April

Cheapest in

August

Average price

$384

Good round-trip deal

$298 or less

Good one-way deal

$204 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.
Search Deals
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. 4% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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.
Search Deals

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 May 26, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 7/8

11:35 pm-9:26 am

1 stop7h 51m

Washington, D.C. Dulles Intl

Wed 7/15

6:00 am-10:21 am

1 stop6h 21m

$329

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 8/20

6:00 am-4:38 pm

1 stop8h 38m

Washington, D.C. Dulles Intl

Tue 8/25

3:03 pm-9:37 pm

1 stop8h 34m

$339

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 7/7

11:35 pm-9:26 am

1 stop7h 51m

Washington, D.C. Dulles Intl

Tue 7/14

7:15 am-9:54 am

Nonstop4h 39m

$364

Saint GeorgeWashington, D.C.

SGU - IAD

SGUIAD

Saint George

Tue 8/18

10:55 am-7:23 pm

1 stop6h 28m

Washington, D.C. Dulles Intl

Sat 8/22

6:15 am-11:55 am

1 stop7h 40m

$370

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 8/4

5:40 pm-11:39 pm

Nonstop3h 59m

Washington, D.C. Dulles Intl

Tue 8/11

11:44 am-4:12 pm

1 stop6h 28m

$374

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 6/18

11:59 pm-6:13 am

Nonstop4h 14m

Washington, D.C. Dulles Intl

Sun 6/21

6:10 am-11:30 am

1 stop7h 20m

$451
Quickest round-trip

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Sat 6/6

5:35 pm-11:32 pm

Nonstop3h 57m

Washington, D.C. Dulles Intl

Tue 6/9

7:15 am-9:52 am

Nonstop4h 37m

$459

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 6/3

6:00 am-4:31 pm

1 stop8h 31m

Washington, D.C. Dulles Intl

Sat 6/6

7:30 am-10:03 am

Nonstop4h 33m

$469

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Sat 7/18

8:00 am-7:02 pm

1 stop9h 02m

Washington, D.C. Dulles Intl

Wed 7/22

8:35 am-4:55 pm

1 stop10h 20m

$509

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Mon 6/1

11:59 pm-6:13 am

Nonstop4h 14m

Washington, D.C. Dulles Intl

Wed 6/10

5:50 pm-8:46 pm

Nonstop4h 56m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/24

Showing 1-10 of 36 resultsSorted by cheapest first
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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, June is the cheapest month in which you can book a flight from Utah to Washington, D.C. Dulles Intl Airport (average of $125). Flying from Utah to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $269). 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 May 26, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 6% on flights from Utah to Washington, D.C. Dulles Intl Airport by exploring options for tickets at noon.

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 May 26, 2026.

The most flights from USUT to IAD are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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

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

The best time to book flights from Utah to Washington, D.C. Dulles Intl Airport is 77 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 May 23, 2026.

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

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 6h 28m. Delta provides one of the quickest options available for as low as $370. Utah and Washington, D.C. Dulles Intl Airport are separated by a distance of 1957 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 Breeze Airways, with whom users have recently found tickets for as low as $124. However, be on the lookout for offers from Frontier 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 (97%), United Airlines (90%), Delta (83%).

  • 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 $149. On average you can expect to pay $414. The most popular route, (Salt Lake City - Washington, D.C. Dulles Intl), can usually be booked for $309.

  • 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, June is the cheapest month in which you can book a flight from Utah to Washington, D.C. Dulles Intl Airport (average of $125). Flying from Utah to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $269). 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
Tysons
Owings Mills
Springfield
Arlington
Reston
Herndon
Fredericksburg
Rockville
Hyattsville
Manassas
Hanover
Chantilly
Laurel
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley

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 Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
Los Angeles to Reagan-National flights
Dallas/Fort Worth to Reagan-National flights
Los Angeles to Dulles Intl flights
Seattle to Dulles Intl flights
Atlanta to Dulles Intl flights
Hobby to Baltimore flights
Seattle to Reagan-National flights
Atlanta to Baltimore flights
Los Angeles to Baltimore flights
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Boston to Baltimore flights
Boston to Reagan-National flights
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Hobby to Reagan-National flights
Boston to Dulles Intl flights
San Francisco to Reagan-National flights
George Bush Intcntl to Baltimore flights
Atlanta to Reagan-National flights
San Francisco to Baltimore flights
Denver to Dulles Intl flights
Orlando to Dulles Intl flights
Denver to Baltimore flights
O'Hare Intl to Baltimore flights
Orlando to Baltimore flights
Tampa to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Tampa to Baltimore flights
George Bush Intcntl to Dulles Intl flights
O'Hare Intl to Reagan-National flights
Minneapolis to Dulles Intl flights
Orlando to Reagan-National flights
O'Hare Intl to Dulles Intl flights
Seattle to Baltimore flights
Detroit to Baltimore flights
Portland to Dulles Intl flights
San Diego to Dulles Intl flights
Austin to Dulles Intl flights
Sky Harbor Intl to Dulles Intl flights
Minneapolis to Reagan-National flights
Denver to Reagan-National flights
Minneapolis to Baltimore flights
Miami to Reagan-National flights
Tampa to Reagan-National flights
Midway to Dulles Intl flights
Salt Lake City to Dulles Intl flights
John F Kennedy Intl to Dulles Intl flights
Fort Lauderdale to Dulles Intl flights
Ontario to Dulles Intl 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 May 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$125Average$220FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$178Average$268FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$269Average$367FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$406FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$384FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$288Average$359FlexibilityNo cancel feeOn-time63%

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