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.

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).

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 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 $208. On average you can expect to pay $880. The most popular route, (Salt Lake City - Washington, D.C. Dulles Intl), can usually be booked for $200.

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 (83%), WestJet (78%).

What are the most popular airlines that fly from Utah to Washington, D.C. Dulles Intl Airport?

The most popular airlines flying from Utah to Washington, D.C. Dulles Intl Airport are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

How far in advance should I book a flight from Utah to Washington, D.C. Dulles Intl Airport?

To save on the cost of your flight from Utah to Washington, D.C. Dulles Intl Airport, book at least 21 days before your planned departure. Booking around this time can save you about 100% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $270 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $528.

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

July is one of the best times of the year to fly to Washington, D.C. Dulles Intl Airport from Utah. Prices for July average $440 per person but you can even find prices for as low as $200. The most expensive prices can be found in the month of November. Opting for a July flight can save you 57% on your journey compared to booking in November

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.

$123+ Cheap Flights from Utah to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Utah to Dulles Intl

Round-trip from	$206 (Priceline)
One-way from	$123 (Frontier)
Popular in	November
Cheapest in	July
Average price	$387
Good round-trip deal	$333 or less
Good one-way deal	$149 or less

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. 17% potential increase in price ($90 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).

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Average for round-trip flights in August 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 August 17, 2025.

Thu 10/238:58 pmSLC - IAD

1 stop10h 11mFrontier

Mon 10/2710:04 amIAD - SLC

1 stop12h 00mFrontier

Deal found 8/15

$206

Wed 9/101:42 pmSLC - IAD

2 stops17h 35mFrontier

Thu 9/1110:17 amIAD - SLC

1 stop7h 28mFrontier

Deal found 8/15

$207

Thu 9/114:30 pmSLC - IAD

1 stop14h 47mFrontier

Mon 10/1310:04 amIAD - SLC

1 stop12h 00mFrontier

Deal found 8/17

$217

Thu 9/44:30 pmSLC - IAD

1 stop14h 47mFrontier

Sun 9/710:17 amIAD - SLC

1 stop7h 28mFrontier

Deal found 8/16

$218

Tue 8/268:00 amSLC - IAD

2 stops11h 39mFrontier

Sun 9/710:17 amIAD - SLC

1 stop7h 28mFrontier

Deal found 8/15

$221

Fri 9/54:02 pmSLC - IAD

2 stops18h 00mFrontier

Mon 9/81:55 pmIAD - SLC

2 stops12h 19mFrontier

Deal found 8/15

$227

Fri 9/268:44 pmSLC - IAD

2 stops13h 18mFrontier

Mon 9/291:55 pmIAD - SLC

2 stops12h 19mFrontier

Deal found 8/15

$230

Fri 9/56:45 amSLC - IAD

2 stops15h 30mFrontier

Sun 9/710:09 pmIAD - SLC

2 stops15h 02mFrontier

Deal found 8/15

$231

Wed 10/18:58 pmSLC - IAD

1 stop8h 35mMultiple Airlines

Sun 10/510:17 amIAD - SLC

1 stop7h 28mMultiple Airlines

Deal found 8/15

$232

Mon 10/206:30 amSLC - IAD

2 stops15h 41mFrontier

Fri 10/2410:11 amIAD - SLC

1 stop11h 53mFrontier

Deal found 8/16

$236

Wed 9/108:45 amSLC - IAD

2 stops22h 32mFrontier

Mon 9/151:55 pmIAD - SLC

2 stops12h 19mFrontier

Deal found 8/15

$237

Tue 10/2811:30 amSGU - IAD

1 stop7h 09mUnited Airlines

Sat 11/16:48 amIAD - SGU

1 stop11h 12mUnited Airlines

Deal found 8/16

$278

Best flights from Utah to Dulles Intl
Discover carefully curated flight deals from Utah to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2025.

Fri 10/108:59 pmSLC - IAD

1 stop13h 00mFrontier

Mon 10/1310:04 amIAD - SLC

1 stop12h 00mFrontier

Deal found 8/16

$217

Mon 9/87:25 pmSLC - IAD

1 stop10h 08mMultiple Airlines

Thu 9/1810:17 amIAD - SLC

1 stop7h 28mMultiple Airlines

Deal found 8/16

$232

Tue 10/2811:30 amSGU - IAD

1 stop7h 09mUnited Airlines

Sat 11/16:48 amIAD - SGU

1 stop11h 12mUnited Airlines

Deal found 8/16

$278

Tue 12/911:25 amSGU - IAD

1 stop8h 49mAmerican Airlines

Sat 12/1311:30 amIAD - SGU

1 stop8h 07mAmerican Airlines

Deal found 8/16

$279

Thu 9/114:30 pmSLC - IAD

1 stop14h 47mFrontier

Mon 10/1310:04 amIAD - SLC

1 stop12h 00mFrontier

Deal found 8/16

$217

Wed 9/171:35 pmSLC - IAD

1 stop8h 48mMultiple Airlines

Sun 9/2110:17 amIAD - SLC

1 stop7h 28mMultiple Airlines

Deal found 8/16

$232

Thu 9/44:30 pmSLC - IAD

1 stop14h 47mFrontier

Sun 9/710:17 amIAD - SLC

1 stop7h 28mFrontier

Deal found 8/16

$218

Wed 9/248:58 pmSLC - IAD

1 stop8h 35mMultiple Airlines

Sun 9/2810:17 amIAD - SLC

1 stop7h 28mMultiple Airlines

Deal found 8/16

$232

Thu 9/183:20 pmSLC - IAD

2 stops15h 57mFrontier

Mon 9/221:55 pmIAD - SLC

2 stops12h 19mFrontier

Deal found 8/16

$227

Fri 10/38:58 pmSLC - IAD

1 stop8h 35mMultiple Airlines

Sun 10/510:17 amIAD - SLC

1 stop7h 28mMultiple Airlines

Deal found 8/15

$232

Fri 10/34:02 pmSLC - IAD

2 stops18h 00mFrontier

Mon 10/61:55 pmIAD - SLC

2 stops12h 19mFrontier

Deal found 8/17

$227

Sat 11/88:00 amSLC - IAD

2 stops13h 55mFrontier

Thu 11/139:52 pmIAD - SLC

2 stops15h 43mFrontier

Deal found 8/16

$231

Last-minute flights from Utah to Dulles Intl
Discover last-minute flight deals from Utah to Dulles Intl. Data last updated August 17, 2025 and is based on user searches.

Fri 8/229:11 pmSLC - IAD

1 stop7h 19mFrontier

Mon 8/256:10 amIAD - SLC

2 stops15h 12mFrontier

Deal found 8/15

$279

Fri 8/229:11 pmSLC - IAD

1 stop7h 19mMultiple Airlines

Mon 8/259:00 amIAD - SLC

1 stop11h 30mMultiple Airlines

Deal found 8/15

$357

Tue 8/268:00 amSLC - IAD

2 stops11h 39mFrontier

Sun 9/710:17 amIAD - SLC

1 stop7h 28mFrontier

Deal found 8/15

$221

Tue 8/2610:00 amSLC - IAD

Nonstop4h 08mUnited Airlines

Sun 9/75:55 pmIAD - SLC

Nonstop4h 57mUnited Airlines

Deal found 8/15

$349

Tue 8/267:00 amSLC - IAD

1 stop8h 09mMultiple Airlines

Sun 9/710:17 amIAD - SLC

1 stop7h 28mMultiple Airlines

Deal found 8/15

$356

Wed 8/278:00 amSLC - IAD

2 stops11h 39mMultiple Airlines

Tue 9/97:00 amIAD - SLC

1 stop9h 35mMultiple Airlines

Deal found 8/17

$303

Wed 8/2710:00 amSLC - IAD

Nonstop4h 08mUnited Airlines

Tue 9/96:35 amIAD - SLC

1 stop7h 04mUnited Airlines

Deal found 8/17

$359

Mon 9/15:18 amSGU - IAD

2 stops13h 54mUnited Airlines

Fri 9/510:20 pmIAD - SGU

2 stops16h 51mUnited Airlines

Deal found 8/17

$692

Thu 9/44:30 pmSLC - IAD

1 stop14h 47mFrontier

Sun 9/710:17 amIAD - SLC

1 stop7h 28mFrontier

Deal found 8/17

$218

Fri 9/54:02 pmSLC - IAD

2 stops18h 00mFrontier

Mon 9/81:55 pmIAD - SLC

2 stops12h 19mFrontier

Deal found 8/15

$227

Fri 9/56:45 amSLC - IAD

2 stops15h 30mFrontier

Sun 9/710:09 pmIAD - SLC

2 stops15h 02mFrontier

Deal found 8/15

$231

Mon 9/87:25 pmSLC - IAD

1 stop10h 08mMultiple Airlines

Thu 9/1810:17 amIAD - SLC

1 stop7h 28mMultiple Airlines

Deal found 8/16

$232

One-way flights from Utah to Dulles Intl
Search for one-way flight options from Utah to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 17, 2025.

Sun 11/28:49 pmSLC - IAD

2 stops17h 45mFrontier

Deal found 8/14

$123

Fri 9/268:44 pmSLC - IAD

2 stops19h 40mFrontier

Deal found 8/15

$126

Sun 9/218:23 pmSLC - IAD

2 stops14h 32mFrontier

Deal found 8/15

$127

Wed 11/512:39 pmSLC - IAD

2 stops33h 32mMultiple Airlines

Deal found 8/15

$128

Sun 10/1910:05 pmSLC - IAD

2 stops14h 20mFrontier

Deal found 8/17

$130

Thu 10/168:58 pmSLC - IAD

1 stop10h 11mFrontier

Deal found 8/15

$131

Wed 10/225:34 pmSLC - IAD

2 stops20h 05mFrontier

Deal found 8/16

$132

Thu 10/238:58 pmSLC - IAD

1 stop10h 11mFrontier

Deal found 8/16

$133

Wed 10/16:05 pmSLC - IAD

2 stops22h 19mFrontier

Deal found 8/16

$134

Wed 9/249:29 amSLC - IAD

2 stops30h 55mMultiple Airlines

Deal found 8/15

$136

Wed 12/34:24 pmSLC - IAD

2 stops24h 43mMultiple Airlines

Deal found 8/16

$137

Tue 8/268:00 amSLC - IAD

2 stops11h 39mFrontier

Deal found 8/16

$138

Cheapflights Fare Finder

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

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 10/10

8:59 pm-11:59 am

1 stop13h 00m

Washington, D.C. Dulles Intl

Mon 10/13

10:04 am-8:04 pm

1 stop12h 00m

$217

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 9/11

4:30 pm-9:17 am

1 stop14h 47m

Washington, D.C. Dulles Intl

Mon 10/13

10:04 am-8:04 pm

1 stop12h 00m

$217

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 9/4

4:30 pm-9:17 am

1 stop14h 47m

Washington, D.C. Dulles Intl

Sun 9/7

10:17 am-3:45 pm

1 stop7h 28m

$218

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 9/18

3:20 pm-9:17 am

2 stops15h 57m

Washington, D.C. Dulles Intl

Mon 9/22

1:55 pm-12:14 am

2 stops12h 19m

$227

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 10/3

4:02 pm-12:02 pm

2 stops18h 00m

Washington, D.C. Dulles Intl

Mon 10/6

1:55 pm-12:14 am

2 stops12h 19m

$227

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Sat 11/8

8:00 am-11:55 pm

2 stops13h 55m

Washington, D.C. Dulles Intl

Thu 11/13

9:52 pm-11:35 am

2 stops15h 43m

$231

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Mon 9/8

7:25 pm-7:33 am

1 stop10h 08m

Washington, D.C. Dulles Intl

Thu 9/18

10:17 am-3:45 pm

1 stop7h 28m

$232

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 9/17

1:35 pm-12:23 am

1 stop8h 48m

Washington, D.C. Dulles Intl

Sun 9/21

10:17 am-3:45 pm

1 stop7h 28m

$232

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 9/24

8:58 pm-7:33 am

1 stop8h 35m

Washington, D.C. Dulles Intl

Sun 9/28

10:17 am-3:45 pm

1 stop7h 28m

$232

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 10/3

8:58 pm-7:33 am

1 stop8h 35m

Washington, D.C. Dulles Intl

Sun 10/5

10:17 am-3:45 pm

1 stop7h 28m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 33 results

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, July is the cheapest month in which you can book a flight from Utah to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Utah to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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?

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

The most flights from USUT to IAD are scheduled on a Sunday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

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 (86%), Lufthansa (83%), WestJet (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 $208. On average you can expect to pay $880. The most popular route, (Salt Lake City - Washington, D.C. Dulles Intl), can usually be booked for $200.
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, July is the cheapest month in which you can book a flight from Utah to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Utah to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

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Tysons

Silver Spring

Springfield

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Towson

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Fairfax

Manassas

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National Harbor

Dundalk

Waldorf

Bowie

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Utah to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$124	Average$190	FlexibilityNo cancel fee	On-time62%
Breeze Airways	Cheapest$167	Average$257	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$168	Average$431	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$269	Average$421	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$271	Average$508	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$290	Average$508	FlexibilityNo cancel fee	On-time63%

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$123+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.

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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 August 17, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Utah to Dulles Intl

Cheapest flights from Utah to Dulles IntlExplore 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 August 17, 2025.

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 August 17, 2025.

Cheapflights Fare Finder

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

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.

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?

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 August 17, 2025.

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 August 17, 2025.

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 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?

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

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

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

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Alternative routes for Utah to Dulles Intl

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Top 6 airlines flying from Utah to Dulles Intl

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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 August 17, 2025.