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Dulles Intl

$165+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — IAD
ago. 27 — sep. 31
jue. 8/27
jue. 9/3
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 julio 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
vie. 8/281:51 pm
SLC
-
IAD
1 stop16h 13m
Frontier
sáb. 9/58:59 am
IAD
-
SLC
1 stop26h 27m
Frontier
Deal found 7/28$297
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/297:49 pm
SLC
-
IAD
1 stop14h 46m
Frontier
lun. 11/29:16 pm
IAD
-
SLC
2 stops25h 17m
Frontier
Deal found 7/23$314
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/118:16 am
SLC
-
IAD
2 stops22h 04m
Frontier
dom. 8/169:50 am
IAD
-
SLC
1 stop25h 36m
Frontier
Deal found 7/23$316
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
mar. 8/257:08 pm
SLC
-
IAD
2 stops20h 06m
Frontier
sáb. 8/298:59 am
IAD
-
SLC
1 stop26h 27m
Frontier
Deal found 7/27$325
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
jue. 9/31:51 pm
SLC
-
IAD
1 stop16h 13m
Frontier
jue. 10/297:00 am
IAD
-
SLC
2 stops13h 54m
Frontier
Deal found 7/26$326
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/118:16 am
SLC
-
IAD
2 stops22h 04m
Frontier
vie. 8/149:50 am
IAD
-
SLC
1 stop25h 36m
Frontier
Deal found 7/23$327
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
jue. 8/201:51 pm
SLC
-
IAD
1 stop16h 13m
Frontier
lun. 8/248:59 am
IAD
-
SLC
2 stops24h 32m
Frontier
Deal found 7/26$328
This SmartFares deal was found by Cheapflights users on 7/24. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/45:40 pm
SLC
-
IAD
Nonstop3h 59m
Delta
mar. 9/157:00 am
IAD
-
SLC
Nonstop4h 34m
Delta
Deal found 7/24$329
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/41:51 pm
SLC
-
IAD
1 stop16h 13m
Frontier
mar. 9/159:04 pm
IAD
-
SLC
2 stops28h 55m
Frontier
Deal found 7/24$331
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/94:16 pm
SLC
-
IAD
2 stops23h 02m
Frontier
mié. 9/164:36 pm
IAD
-
SLC
1 stop27h 21m
Frontier
Deal found 7/24$336
This Frontier deal was found by Cheapflights users on 7/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/178:24 pm
SLC
-
IAD
1 stop7h 56m
Frontier
mar. 9/226:00 am
IAD
-
SLC
1 stop8h 43m
Frontier
Deal found 7/28$338
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/2711:56 am
SGU
-
IAD
1 stop10h 20m
United Airlines
dom. 8/309:00 am
IAD
-
SGU
1 stop9h 15m
United Airlines
Deal found 7/27$479

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 julio 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$297
(Kiwi.com)

One-way from

$165
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$367

Good round-trip deal

$372 or less

Good one-way deal

$174 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. 5% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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.
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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 julio 28, 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

mar. 8/25

4:15 pm-12:44 am

1 stop6h 29m

Washington, D.C. Dulles Intl

sáb. 8/29

6:00 pm-8:58 pm

Nonstop4h 58m

$349

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

lun. 11/2

4:17 pm-12:30 am

1 stop6h 13m

Washington, D.C. Dulles Intl

mar. 11/10

6:05 am-11:38 am

1 stop7h 33m

$359

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

sáb. 10/17

7:45 am-8:03 pm

1 stop10h 18m

Washington, D.C. Dulles Intl

mié. 10/21

6:13 am-8:50 am

Nonstop4h 37m

$369

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

jue. 10/22

11:28 am-10:49 pm

1 stop9h 21m

Washington, D.C. Dulles Intl

mié. 10/28

6:13 am-8:50 am

Nonstop4h 37m

$369

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

mar. 8/11

5:40 pm-11:39 pm

Nonstop3h 59m

Washington, D.C. Dulles Intl

sáb. 8/22

5:47 pm-11:47 pm

1 stop8h 00m

$384

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

mié. 8/26

5:40 pm-11:39 pm

Nonstop3h 59m

Washington, D.C. Dulles Intl

mié. 9/2

5:25 pm-10:10 pm

1 stop6h 45m

$409

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

jue. 10/8

5:35 pm-11:35 pm

Nonstop4h 00m

Washington, D.C. Dulles Intl

dom. 10/11

6:05 am-10:14 am

1 stop6h 09m

$409
Quickest round-trip

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

jue. 9/10

5:40 pm-11:43 pm

Nonstop4h 03m

Washington, D.C. Dulles Intl

dom. 9/13

7:00 am-9:34 am

Nonstop4h 34m

$419

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

jue. 10/22

6:05 am-4:30 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

mié. 10/28

7:02 am-11:01 pm

2 stops17h 59m

$426

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

sáb. 11/21

5:50 pm-11:46 pm

Nonstop3h 56m

Washington, D.C. Dulles Intl

mar. 12/1

7:15 am-10:09 am

Nonstop4h 54m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 41 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 $298). Flying from Utah to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $483). 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 julio 28, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 28% on flights from Utah to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the evening.

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

Airfare is below average for this route at the moment.
Utah to Washington, D.C. Dulles Intl Airport flights typically cost between $361 and $546 in August.
The cheapest round-trip price found within the last 5 days was $297 on Frontier (Aug 28-Sep 5).

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 75 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 July 25, 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. Wednesday 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 29m. United Airlines provides one of the quickest options available for as low as $349. 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 $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 (91%), Korean Air (82%).

  • 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 $198. On average you can expect to pay $518. The most popular route, (Salt Lake City - Washington, D.C. Dulles Intl), can usually be booked for $339.

  • 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 $298). Flying from Utah to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $483). 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
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Sterling
Clinton
Hunt Valley
Cordova
Woodbridge

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.
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Atlanta to Dulles Intl flights
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Seattle to Baltimore flights
Miami to Reagan-National flights
Hobby to Reagan-National flights
Minneapolis to Reagan-National flights
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Orlando to Reagan-National flights
Midway to Dulles Intl flights
Minneapolis to Dulles Intl flights
Denver to Baltimore flights
Charlotte to Baltimore flights
Tampa to Reagan-National flights
Hobby to Dulles Intl flights
George Bush Intcntl to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Ontario to Dulles Intl flights
Austin to Dulles Intl flights
Minneapolis to Baltimore flights
Denver to Reagan-National flights
Fort Lauderdale to Dulles Intl flights
Detroit to Reagan-National flights
Sky Harbor Intl to Dulles Intl flights
Detroit to Baltimore flights

Top 4 airlines flying from Utah to Dulles Intl

Discover the top 4 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 julio 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$178Average$268FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$269Average$387FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$423FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$285Average$382FlexibilityNo cancel feeOn-time63%

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