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Dulles Intl

$150+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — IAD
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap 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 April 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$238
(Frontier)

One-way from

$150
(Alaska Airlines)

Popular in

November

Cheapest in

September

Average price

$418

Good round-trip deal

$324 or less

Good one-way deal

$223 or less
Provider with most accurate pricing for Salt Lake City-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Salt Lake City-Washington, D.C. (WAS) flights.
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From Utah to Washington, D.C. Dulles Intl
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One-way flight from Utah to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 15% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Utah to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Utah to Washington, D.C. Dulles Intl.
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Find 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 April 30, 2025.

This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/15:03 pmSLC - IAD
1 stop10h 55mFrontier
Thu 6/57:40 amIAD - SLC
1 stop11h 01mFrontier
Deal found 4/29$238
This Orbitz deal was found by Cheapflights users on 4/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:36 pmSLC - IAD
1 stop13h 31mMultiple Airlines
Wed 6/46:30 amIAD - SLC
1 stop10h 12mMultiple Airlines
Deal found 4/28$254
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/251:00 pmSLC - IAD
Nonstop4h 08mUnited Airlines
Sun 7/278:15 amIAD - SLC
Nonstop4h 51mUnited Airlines
Deal found 4/28$269
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/235:30 pmSLC - IAD
Nonstop3h 58mDelta
Mon 5/266:00 amIAD - SLC
1 stop6h 15mDelta
Deal found 4/28$279
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/207:33 pmSLC - IAD
1 stop10h 03mHawaiian Airlines
Mon 5/266:30 amIAD - SLC
1 stop10h 12mHawaiian Airlines
Deal found 4/29$288
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/178:47 amSLC - IAD
2 stops11h 52mAmerican Airlines
Mon 6/306:55 amIAD - SLC
1 stop7h 06mAmerican Airlines
Deal found 4/29$294
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1312:57 pmSLC - IAD
1 stop9h 01mAlaska Airlines
Tue 5/276:30 amIAD - SLC
1 stop10h 12mAlaska Airlines
Deal found 4/28$313
This Sun Country Air deal was found by Cheapflights users on 4/28. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/156:12 pmSLC - IAD
1 stop15h 31mSun Country Air
Fri 6/2012:16 pmIAD - SLC
1 stop6h 26mSun Country Air
Deal found 4/28$405
This Southwest deal was found by Cheapflights users on 4/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:15 amSLC - IAD
2 stops10h 45mSouthwest
Wed 10/227:40 amIAD - SLC
2 stops11h 30mSouthwest
Deal found 4/27$414
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1111:23 amSGU - IAD
1 stop9h 16mAmerican Airlines
Tue 6/1711:50 amIAD - SGU
1 stop8h 44mAmerican Airlines
Deal found 4/29$440
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2111:02 amSGU - IAD
1 stop8h 12mUnited Airlines
Wed 5/288:15 amIAD - SGU
1 stop9h 32mUnited Airlines
Deal found 4/29$459

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 April 30, 2025.
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

Sun 6/1

5:03 pm-5:58 am

1 stop10h 55m

Washington, D.C. Dulles Intl

Thu 6/5

7:40 am-4:41 pm

1 stop11h 01m

$238

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 5/28

6:36 pm-10:07 am

1 stop13h 31m

Washington, D.C. Dulles Intl

Wed 6/4

6:30 am-2:42 pm

1 stop10h 12m

$254

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 7/25

1:00 pm-7:08 pm

Nonstop4h 08m

Washington, D.C. Dulles Intl

Sun 7/27

8:15 am-11:06 am

Nonstop4h 51m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 5/23

5:30 pm-11:28 pm

Nonstop3h 58m

Washington, D.C. Dulles Intl

Mon 5/26

6:00 am-10:15 am

1 stop6h 15m

$279

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 5/20

8:33 pm-7:36 am

1 stop9h 03m

Washington, D.C. Dulles Intl

Mon 5/26

6:30 am-2:42 pm

1 stop10h 12m

$288

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 6/17

8:47 am-10:39 pm

2 stops11h 52m

Washington, D.C. Dulles Intl

Mon 6/30

6:55 am-12:01 pm

1 stop7h 06m

$294

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 5/13

12:57 pm-11:58 pm

1 stop9h 01m

Washington, D.C. Dulles Intl

Tue 5/27

6:30 am-2:42 pm

1 stop10h 12m

$313

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Sun 6/15

6:12 pm-11:43 am

1 stop15h 31m

Washington, D.C. Dulles Intl

Fri 6/20

12:16 pm-4:42 pm

1 stop6h 26m

$405

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 10/17

6:15 am-7:00 pm

2 stops10h 45m

Washington, D.C. Dulles Intl

Wed 10/22

7:40 am-5:10 pm

2 stops11h 30m

$414

Saint GeorgeWashington, D.C.

SGU - IAD

SGUIAD

Saint George

Wed 6/11

11:23 am-10:39 pm

1 stop9h 16m

Washington, D.C. Dulles Intl

Tue 6/17

11:50 am-6:34 pm

1 stop8h 44m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 22 results
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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, August is the cheapest month in which you can book a flight from Utah to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Utah to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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 April 30, 2025.

When flying from Utah to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 30, 2025.

The most flights from USUT to IAD are scheduled on a Monday (3 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated April 30, 2025.
Read through reviews of airlines operating flights from Utah to Washington, D.C., such as Alaska Airlines, Southwest and Delta. 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.
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $150. However, be on the lookout for offers from Frontier and Sun Country Air, 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: United Airlines (90%), Aeromexico (83%), Delta (73%).

  • 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 $504. The most popular route, (Salt Lake City - Washington, D.C. Dulles Intl), can usually be booked for $249.

  • 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, August is the cheapest month in which you can book a flight from Utah to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Utah to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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 Utah?

Book flights to Utah if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
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Falls Church
Laurel
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National Harbor
Oxon Hill

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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.
Los Angeles to Reagan-National flights
Dallas/Fort Worth to Dulles Intl flights
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Los Angeles to Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
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Hobby to Reagan-National flights
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Orlando to Reagan-National flights
Tampa to Dulles Intl flights
Denver to Baltimore flights
San Diego to Reagan-National flights
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Fort Lauderdale to Baltimore flights
Midway to Baltimore flights
Tampa to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
Minneapolis to Dulles Intl flights
Denver to Dulles Intl flights
John F Kennedy Intl to Reagan-National flights
Hobby to Dulles Intl flights
LaGuardia to Reagan-National flights
Salt Lake City to Dulles Intl flights
George Bush Intcntl to Baltimore flights
Sky Harbor Intl to Dulles Intl flights
Midway to Dulles Intl flights
Portland to Reagan-National flights
Sky Harbor Intl to Reagan-National flights
Miami to Baltimore flights
Burbank to Baltimore flights
Minneapolis to Reagan-National 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$124Average$300FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$165Average$254FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$196Average$431FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$463FlexibilityNo cancel feeOn-time69%
DeltaCheapest$289Average$596FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$388Average$518FlexibilityNo cancel feeOn-time63%

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