Dulles Intl

$127+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — IAD
Apr 29 — May 61
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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 March 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/269:29 pm
SLC
-
IAD
2 stops10h 43m
Frontier
Wed 6/31:31 pm
IAD
-
SLC
1 stop9h 20m
Frontier
Deal found 3/28$252
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:36 pm
SLC
-
IAD
1 stop13h 10m
Frontier
Wed 5/2011:12 am
IAD
-
SLC
2 stops36h 47m
Frontier
Deal found 3/26$254
This Expedia deal was found by Cheapflights users on 3/26. 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 4/249:29 pm
SLC
-
IAD
1 stop7h 58m
Multiple Airlines
Mon 4/277:10 am
IAD
-
SLC
1 stop9h 31m
Multiple Airlines
Deal found 3/26$255
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/79:36 pm
SLC
-
IAD
1 stop13h 10m
Frontier
Wed 5/137:40 am
IAD
-
SLC
2 stops17h 39m
Frontier
Deal found 3/28$256
This Southwest deal was found by Cheapflights users on 3/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:45 am
SLC
-
IAD
1 stop7h 05m
Southwest
Sat 4/255:50 am
IAD
-
SLC
2 stops9h 55m
Southwest
Deal found 3/25$257
This Super.com deal was found by Cheapflights users on 3/27. 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.
Fri 4/103:46 pm
SLC
-
IAD
1 stop6h 50m
Frontier
Sun 4/122:24 pm
IAD
-
SLC
1 stop24h 28m
Frontier
Deal found 3/27$258
This Expedia deal was found by Cheapflights users on 3/26. 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 4/249:29 pm
SLC
-
IAD
1 stop7h 58m
Multiple Airlines
Fri 5/16:47 pm
IAD
-
SLC
1 stop20h 02m
Multiple Airlines
Deal found 3/26$260
This Super.com deal was found by Cheapflights users on 3/29. 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 4/239:59 pm
SLC
-
IAD
1 stop12h 12m
Frontier
Wed 5/135:07 pm
IAD
-
SLC
1 stop30h 52m
Frontier
Deal found 3/29$261
This Super.com deal was found by Cheapflights users on 3/27. 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 4/91:47 pm
SLC
-
IAD
1 stop20h 23m
Frontier
Sun 4/129:55 am
IAD
-
SLC
1 stop28h 57m
Frontier
Deal found 3/27$263
This Expedia deal was found by Cheapflights users on 3/27. 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 4/203:00 pm
SLC
-
IAD
1 stop24h 22m
Multiple Airlines
Sat 4/258:12 am
IAD
-
SLC
1 stop14h 22m
Multiple Airlines
Deal found 3/27$266
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/238:52 pm
SLC
-
IAD
2 stops9h 30m
Frontier
Mon 4/278:17 am
IAD
-
SLC
1 stop14h 17m
Frontier
Deal found 3/27$267
This Frontier deal was found by Cheapflights users on 3/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:59 pm
SLC
-
IAD
1 stop12h 47m
Frontier
Sun 4/191:26 pm
IAD
-
SLC
1 stop9h 08m
Frontier
Deal found 3/25$270

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 March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$252
(Kiwi.com)

One-way from

$127
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$396

Good round-trip deal

$309 or less

Good one-way deal

$338 or less
Provider with most accurate pricing for Salt Lake City-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Salt Lake City-Washington, D.C. (WAS) flights.
From Utah to Washington, D.C. Dulles Intl
One-way flight from Utah to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Utah to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Utah to Washington, D.C. Dulles Intl.

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 March 30, 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

Thu 4/16

11:30 am-12:20 am

2 stops10h 50m

Washington, D.C. Dulles Intl

Sat 4/18

5:50 am-1:45 pm

2 stops9h 55m

$285
Quickest round-trip

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Sat 4/25

5:50 pm-11:44 pm

Nonstop3h 54m

Washington, D.C. Dulles Intl

Sat 5/2

7:20 am-10:04 am

Nonstop4h 44m

$329

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 7/15

11:59 pm-6:13 am

Nonstop4h 14m

Washington, D.C. Dulles Intl

Wed 7/22

6:10 am-11:38 am

1 stop7h 28m

$339

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Mon 5/4

5:50 pm-11:44 pm

Nonstop3h 54m

Washington, D.C. Dulles Intl

Tue 5/12

5:21 pm-10:15 pm

1 stop6h 54m

$339

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 4/16

6:00 am-4:15 pm

1 stop8h 15m

Washington, D.C. Dulles Intl

Sat 4/18

7:20 am-10:04 am

Nonstop4h 44m

$339

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 4/23

11:25 pm-9:15 am

1 stop7h 50m

Washington, D.C. Dulles Intl

Sat 4/25

5:15 pm-10:13 pm

1 stop6h 58m

$349

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 7/1

11:50 pm-10:20 am

1 stop8h 30m

Washington, D.C. Dulles Intl

Mon 7/6

8:27 am-1:50 pm

1 stop7h 23m

$349

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 4/21

1:20 pm-11:40 pm

1 stop8h 20m

Washington, D.C. Dulles Intl

Tue 5/12

6:20 am-5:45 pm

2 stops13h 25m

$354

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Sat 6/20

11:59 pm-6:13 am

Nonstop4h 14m

Washington, D.C. Dulles Intl

Sat 6/27

5:50 pm-8:46 pm

Nonstop4h 56m

$363

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 5/12

8:20 am-4:36 pm

1 stop6h 16m

Washington, D.C. Dulles Intl

Wed 5/20

7:30 am-10:03 am

Nonstop4h 33m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 40 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, February is the cheapest month in which you can book a flight from Utah to Washington, D.C. Dulles Intl Airport (average of $178). Flying from Utah to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $277). 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 March 30, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 12% 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 March 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. Friday at noon 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 March 30, 2026.

The most flights from USUT to IAD are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

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

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 54m. Southwest provides one of the quickest options available for as low as $329. 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 Breeze Airways, with whom users have recently found tickets for as low as $94. However, be on the lookout for offers from Southwest and United Airlines, 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?

  • 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 (86%), Lufthansa (82%), Delta (78%).

  • 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 $199. On average you can expect to pay $446. The most popular route, (Salt Lake City - Washington, D.C. Dulles Intl), can usually be booked for $255.

  • 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, February is the cheapest month in which you can book a flight from Utah to Washington, D.C. Dulles Intl Airport (average of $178). Flying from Utah to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $277). 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
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
Cordova
Manassas

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.

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 March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$125Average$187FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$178Average$258FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$269Average$487FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$374FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$384FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$288Average$359FlexibilityNo cancel feeOn-time63%

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