HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$124+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — IAD
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Utah to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1111:17 am
SLC
-
IAD
1 stop27h 45m
Frontier
Tue 3/177:00 am
IAD
-
SLC
2 stops26h 55m
Frontier
Deal found 1/21$227
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:20 am
SLC
-
IAD
2 stops25h 35m
Frontier
Mon 2/910:50 am
IAD
-
SLC
1 stop12h 49m
Frontier
Deal found 1/21$246
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Wed 1/287:30 pm
SLC
-
IAD
2 stops36h 25m
Frontier
Mon 2/210:50 am
IAD
-
SLC
1 stop12h 49m
Frontier
Deal found 1/20$263
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 2/2610:37 pm
SLC
-
IAD
2 stops15h 47m
Frontier
Mon 3/210:20 am
IAD
-
SLC
1 stop12h 11m
Frontier
Deal found 1/20$266
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 2/279:59 pm
SLC
-
IAD
2 stops9h 35m
Frontier
Mon 3/210:20 am
IAD
-
SLC
1 stop12h 11m
Frontier
Deal found 1/20$267
This Delta deal was found by Cheapflights users on 1/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:55 pm
SLC
-
IAD
Nonstop3h 51m
Delta
Mon 2/237:05 am
IAD
-
SLC
Nonstop4h 57m
Delta
Deal found 1/22$269
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/85:01 pm
SLC
-
IAD
1 stop14h 54m
Frontier
Sat 2/2110:29 am
IAD
-
SLC
2 stops24h 15m
Frontier
Deal found 1/21$270
This Expedia deal was found by Cheapflights users on 1/21. 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.
Thu 2/57:14 am
SLC
-
IAD
1 stop7h 50m
Multiple Airlines
Mon 2/910:50 am
IAD
-
SLC
1 stop12h 49m
Multiple Airlines
Deal found 1/21$275
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:20 am
SLC
-
IAD
1 stop9h 00m
Alaska Airlines
Tue 3/107:05 am
IAD
-
SLC
1 stop9h 21m
Alaska Airlines
Deal found 1/21$277
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Sat 2/284:20 pm
SLC
-
IAD
2 stops16h 10m
Frontier
Mon 3/210:20 am
IAD
-
SLC
1 stop12h 11m
Frontier
Deal found 1/20$278
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:20 am
SLC
-
IAD
1 stop9h 00m
Alaska Airlines
Sat 2/287:05 am
IAD
-
SLC
1 stop9h 21m
Alaska Airlines
Deal found 1/20$283
This Delta deal was found by Cheapflights users on 1/20. 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 3/48:50 am
SGU
-
IAD
2 stops13h 05m
Delta
Mon 3/92:15 pm
IAD
-
SGU
2 stops9h 38m
Delta
Deal found 1/20$309

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 January 22, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$227
(Kiwi.com)

One-way from

$124
(Kiwi.com)

Popular in

February

Cheapest in

July

Average price

$358

Good round-trip deal

$198 or less

Good one-way deal

$230 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 ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 22, 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

Utah

Fly to

Dulles Intl

Route

Depart

Return

Price

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 2/20

7:30 am-4:05 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Sat 2/21

5:43 pm-8:50 pm

Nonstop5h 07m

$275

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 3/3

6:20 am-5:20 pm

1 stop9h 00m

Washington, D.C. Dulles Intl

Tue 3/10

7:05 am-2:26 pm

1 stop9h 21m

$277

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 2/19

5:55 pm-11:46 pm

Nonstop3h 51m

Washington, D.C. Dulles Intl

Mon 2/23

2:17 pm-9:00 pm

1 stop8h 43m

$279

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 2/25

6:20 am-5:20 pm

1 stop9h 00m

Washington, D.C. Dulles Intl

Sun 3/1

7:05 am-2:26 pm

1 stop9h 21m

$283

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 2/13

5:55 pm-11:46 pm

Nonstop3h 51m

Washington, D.C. Dulles Intl

Sun 2/15

7:05 am-10:02 am

Nonstop4h 57m

$289

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 4/24

3:37 pm-5:50 am

1 stop12h 13m

Washington, D.C. Dulles Intl

Tue 4/28

7:10 am-2:41 pm

1 stop9h 31m

$289

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

Tue 3/3

2:17 pm-9:00 pm

1 stop8h 43m

$299

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Mon 4/13

6:00 am-4:28 pm

1 stop8h 28m

Washington, D.C. Dulles Intl

Sun 4/19

7:20 am-10:04 am

Nonstop4h 44m

$299

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 5/9

5:15 pm-10:05 pm

1 stop6h 50m

$299

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 3/13

2:07 pm-11:41 pm

1 stop7h 34m

Washington, D.C. Dulles Intl

Mon 3/16

7:20 am-10:05 am

Nonstop4h 45m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 37 results
1
2
3
4

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 $279). 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 January 22, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 23% 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 January 17, 2026.

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. 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 January 22, 2026.

The most flights from USUT to IAD are scheduled on a Wednesday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 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. United Airlines provides one of the quickest options available for as low as $279. 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 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: Korean Air (96%), Aeromexico (96%), Delta (93%).

  • 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 $168. On average you can expect to pay $376. 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, 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 $279). 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
Silver Spring
Hanover
Herndon
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Utah to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Reagan-National flights
Boston to Baltimore flights
Dallas/Fort Worth to Dulles Intl flights
Los Angeles to Baltimore flights
Los Angeles to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
O'Hare Intl to Dulles Intl flights
O'Hare Intl to Baltimore flights
Seattle to Reagan-National flights
Boston to Dulles Intl flights
Boston to Reagan-National flights
San Francisco to Reagan-National flights
San Francisco to Dulles Intl flights
O'Hare Intl to Reagan-National flights
Atlanta to Reagan-National flights
Dallas/Fort Worth to Baltimore flights
Atlanta to Dulles Intl flights
Hobby to Baltimore flights
San Francisco to Baltimore flights
Denver to Baltimore flights
Seattle to Dulles Intl flights
Atlanta to Baltimore flights
Tampa to Dulles Intl flights
Hobby to Reagan-National flights
Orlando to Dulles Intl flights
Hobby to Dulles Intl flights
Tampa to Reagan-National flights
Detroit to Dulles Intl flights
Denver to Dulles Intl flights
Orlando to Reagan-National flights
Fort Lauderdale to Baltimore flights
Denver to Reagan-National flights
LaGuardia to Reagan-National flights
Detroit to Reagan-National flights
George Bush Intcntl to Reagan-National flights
Minneapolis to Reagan-National flights
Seattle to Baltimore flights
George Bush Intcntl to Dulles Intl flights
Orlando to Baltimore flights
Tampa to Baltimore flights
Detroit to Baltimore flights
Miami to Dulles Intl flights
Midway to Dulles Intl flights
Ontario to Dulles Intl flights
Austin to Dulles Intl flights
Sky Harbor Intl to Dulles Intl flights
San Diego to Dulles Intl flights
Charlotte to Baltimore flights
John F Kennedy Intl to Dulles Intl flights
George Bush Intcntl to Baltimore 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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$187FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$178Average$258FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$269Average$387FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$386FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$407FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$288Average$416FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2026 Cheapflights