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$145+ Cheap flights from Dulles Intl (IAD) to Utah

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SLC
Nov 20 — Nov 271
Thu 11/20
Thu 11/27
1 adult, Economy
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Find flight deals from Dulles Intl to Utah

Cheapest flights from Dulles Intl to Utah
Explore the most affordable flight options available from Dulles Intl to Utah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 21, 2025.

This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:08 pmIAD - SLC
1 stop8h 46mAmerican Airlines
Sun 12/1411:52 amSLC - IAD
1 stop8h 51mAmerican Airlines
Deal found 10/20$273
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:00 amIAD - SLC
1 stop16h 48mAmerican Airlines
Sat 12/612:46 amSLC - IAD
1 stop5h 58mAmerican Airlines
Deal found 10/20$275
This Southwest deal was found by Cheapflights users on 10/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:45 pmIAD - SLC
1 stop6h 30mSouthwest
Fri 1/236:40 amSLC - IAD
1 stop7h 10mSouthwest
Deal found 10/20$277
This Delta deal was found by Cheapflights users on 10/20. 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.
Sat 11/157:10 amIAD - SLC
Nonstop4h 48mDelta
Sat 11/221:59 pmSLC - IAD
1 stop7h 53mDelta
Deal found 10/20$279
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:00 amIAD - SLC
1 stop19h 55mAmerican Airlines
Mon 12/88:20 amSLC - IAD
2 stops12h 48mAmerican Airlines
Deal found 10/20$280
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/2012:50 pmIAD - SLC
1 stop6h 35mMultiple Airlines
Tue 12/26:23 pmSLC - IAD
2 stops18h 06mMultiple Airlines
Deal found 10/20$282
This Delta deal was found by Cheapflights users on 10/19. 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 12/57:05 amIAD - SGU
1 stop9h 38mDelta
Sat 12/137:15 pmSGU - IAD
2 stops11h 56mDelta
Deal found 10/19$284
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Fri 12/52:16 pmIAD - SGU
2 stops11h 52mAmerican Airlines
Sat 12/1312:15 pmSGU - IAD
2 stops9h 46mAmerican Airlines
Deal found 10/19$289
This Southwest deal was found by Cheapflights users on 10/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:50 pmIAD - SLC
1 stop7h 40mSouthwest
Sun 11/165:00 amSLC - IAD
1 stop6h 10mSouthwest
Deal found 10/21$289
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Sun 11/165:55 pmIAD - SLC
Nonstop5h 00mUnited Airlines
Sun 11/231:00 pmSLC - IAD
1 stop8h 15mUnited Airlines
Deal found 10/19$292
This Delta deal was found by Cheapflights users on 10/19. 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.
Sun 11/25:15 amIAD - SLC
Nonstop4h 36mDelta
Sun 11/96:05 pmSLC - IAD
Nonstop3h 53mDelta
Deal found 10/19$294
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 11/206:44 amIAD - SLC
2 stops10h 43mAmerican Airlines
Wed 12/310:59 amSLC - IAD
2 stops10h 00mAmerican Airlines
Deal found 10/19$299

Cheap flight deals from Dulles Intl to Utah

Keep the following information in mind while searching for Dulles Intl to Utah flight deals. Data was last updated October 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$273
(American Airlines)

One-way from

$145
(Southwest)

Popular in

December

Cheapest in

October

Average price

$381

Good round-trip deal

$192 or less

Good one-way deal

$129 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Salt Lake City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Salt Lake City flights.
Search Deals
From Washington, D.C. Dulles Intl to Utah
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Utah
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Utah.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Utah.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Utah 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 21, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Utah that are best for you.

Fly from

Dulles Intl

Fly to

Utah

Route

Depart

Return

Price

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Fri 11/21

7:10 am-9:58 am

Nonstop4h 48m

Salt Lake City

Tue 12/2

11:35 pm-9:11 am

1 stop7h 36m

$279

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Mon 3/23

2:12 pm-9:26 pm

1 stop9h 14m

Salt Lake City

Sat 3/28

11:25 pm-5:23 am

Nonstop3h 58m

$279

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Sat 1/24

7:00 am-12:50 pm

1 stop7h 50m

Salt Lake City

Tue 1/27

5:50 pm-11:50 pm

Nonstop4h 00m

$279

Washington, D.C.Saint George

IAD - SGU

IADSGU

Washington, D.C. Dulles Intl

Fri 12/5

7:05 am-2:43 pm

1 stop9h 38m

Saint George

Sat 12/13

7:15 pm-9:11 am

2 stops11h 56m

$284

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Fri 2/27

5:10 am-11:05 am

1 stop7h 55m

Salt Lake City

Tue 3/3

6:25 am-9:55 pm

2 stops13h 30m

$288

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Tue 11/25

2:25 pm-8:40 pm

1 stop8h 15m

Salt Lake City

Tue 12/2

12:46 pm-9:18 pm

1 stop6h 32m

$289

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Wed 2/4

9:05 am-2:40 pm

1 stop7h 35m

Salt Lake City

Sun 2/8

6:40 am-3:50 pm

1 stop7h 10m

$289

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Sat 1/24

10:05 am-5:45 pm

1 stop9h 40m

Salt Lake City

Fri 1/30

1:50 pm-11:35 pm

1 stop7h 45m

$289

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Sat 11/15

9:00 am-4:13 pm

1 stop9h 13m

Salt Lake City

Sat 11/22

1:59 pm-11:52 pm

1 stop7h 53m

$289

Washington, D.C.Salt Lake City

IAD - SLC

IADSLC

Washington, D.C. Dulles Intl

Sat 11/8

6:15 am-8:51 am

Nonstop4h 36m

Salt Lake City

Mon 11/10

6:05 pm-11:58 pm

Nonstop3h 53m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 45 results
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Best time to book a flight from Dulles Intl to Utah

Have a flexible travel schedule? Discover the best time to fly to Utah from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Utah

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Utah?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Utah (average of $160). Flying from Washington, D.C. Dulles Intl Airport to Utah in March is currently the most expensive (average of $421). 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 IAD to UT?

Find hourly flight availability from Dulles Intl to Utah. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 21, 2025.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Utah in the morning. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Utah

Explore weekly flight availability from Dulles Intl to Utah. 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 21, 2025.

The most flights from IAD to USUT are scheduled on a Monday (6 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Utah

Get insights into the airlines that provide service to Utah. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Utah. Reviews last updated October 21, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Washington, D.C. Dulles Intl Airport to Utah have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,978 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,991 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,023 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,130 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Utah. 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 Washington, D.C. Dulles Intl Airport to Utah?

    Departing from Washington, D.C. Dulles Intl Airport to Utah will take you 4h 48m. Airlines will cover a distance of 1823 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Utah one-way?

    $145 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $150 and $285, respectively.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Utah?

    The most popular flight routes from Washington, D.C. Dulles Intl Airport to Utah are Washington, D.C. Dulles Intl - Salt Lake City, Washington, D.C. Dulles Intl - Saint George and Washington, D.C. Dulles Intl - Moab Canyonlands Field.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Utah?

    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 Washington, D.C. Dulles Intl Airport to Utah on time: Aeromexico (100%), Delta (97%), Korean Air (97%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Utah?

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Utah is $134. On average you can expect to pay $751. The most popular route, (Washington, D.C. Dulles Intl - Salt Lake City), can usually be booked for $194.

  • Can I find deals for flights from Dulles Intl to Utah that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Utah flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Utah?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Utah.

  • Can I find deals for business class flights from Dulles Intl to Utah?

    Yes. Cheapflights offers flight deals from Dulles Intl to Utah 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 Washington, D.C. Dulles Intl Airport to Utah?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Utah (average of $160). Flying from Washington, D.C. Dulles Intl Airport to Utah in March is currently the most expensive (average of $421). 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

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Alternative routes for Dulles Intl to Utah

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Dulles Intl to Utah

Discover the top 7 airlines that operate flights from Dulles Intl to Utah. 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$161Average$241FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$177Average$255FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$269Average$535FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$500FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$278Average$448FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$290Average$517FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$320Average$485FlexibilityNo cancel feeOn-time75%

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