Dulles Intl

$137+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — IAD
Apr 8 — Apr 151
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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 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$240
(CheapOair)

One-way from

$137
(Trip.com)

Popular in

November

Cheapest in

April

Average price

$303

Good round-trip deal

$408 or less

Good one-way deal

$124 or less
Provider with most accurate pricing for Salt Lake City-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Salt Lake City-Washington, D.C. (WAS) flights.
From Utah to Washington, D.C. Dulles Intl
One-way flight from Utah to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 18% potential increase in price ($101 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Utah to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Utah to Washington, D.C. Dulles Intl.

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 3, 2025.

This CheapOair deal was found by Cheapflights users on 4/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/15:37 pmSLC - IAD
1 stop10h 54mFrontier
Thu 5/87:45 amIAD - SLC
1 stop29h 48mFrontier
Deal found 4/1$240
This Delta deal was found by Cheapflights users on 4/2. 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 4/235:40 pmSLC - IAD
Nonstop3h 51mDelta
Mon 4/287:35 amIAD - SLC
Nonstop4h 43mDelta
Deal found 4/2$269
This Travelocity deal was found by Cheapflights users on 4/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/15:37 pmSLC - IAD
1 stop10h 54mMultiple Airlines
Fri 5/97:00 amIAD - SLC
1 stop11h 00mMultiple Airlines
Deal found 4/2$274
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Tue 9/167:00 amSLC - IAD
1 stop7h 23mUnited Airlines
Sat 9/205:50 pmIAD - SLC
Nonstop4h 57mUnited Airlines
Deal found 4/2$275
This Hawaiian Airlines deal was found by Cheapflights users on 4/1. 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.
Thu 5/297:33 pmSLC - IAD
1 stop10h 03mHawaiian Airlines
Mon 6/26:30 amIAD - SLC
1 stop10h 12mHawaiian Airlines
Deal found 4/1$288
This American Airlines deal was found by Cheapflights users on 4/2. 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 9/42:11 pmSLC - IAD
1 stop6h 19mAmerican Airlines
Mon 9/87:09 amIAD - SLC
1 stop8h 53mAmerican Airlines
Deal found 4/2$289
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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 4/223:30 pmSLC - IAD
1 stop14h 13mAlaska Airlines
Sun 4/276:30 amIAD - SLC
1 stop10h 06mAlaska Airlines
Deal found 4/2$313
This Southwest deal was found by Cheapflights users on 4/1. 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 8/209:10 amSLC - IAD
2 stops10h 55mSouthwest
Wed 8/275:45 amIAD - SLC
1 stop6h 05mSouthwest
Deal found 4/1$364
This Delta deal was found by Cheapflights users on 4/2. 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 4/123:27 pmSGU - IAD
1 stop6h 23mDelta
Tue 4/157:35 amIAD - SGU
1 stop9h 17mDelta
Deal found 4/2$630
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Sat 6/145:05 amSGU - IAD
1 stop6h 22mUnited Airlines
Sat 6/215:36 pmIAD - SGU
1 stop7h 20mUnited Airlines
Deal found 4/2$700
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Sat 4/121:26 pmSGU - IAD
2 stops8h 30mAmerican Airlines
Tue 4/155:00 amIAD - SGU
2 stops9h 56mAmerican Airlines
Deal found 4/2$793

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 3, 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

Thu 5/1

5:37 pm-6:31 am

1 stop10h 54m

Washington, D.C. Dulles Intl

Thu 5/8

7:45 am-11:33 am

1 stop29h 48m

$240

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 4/23

11:59 pm-5:58 am

Nonstop3h 59m

Washington, D.C. Dulles Intl

Sat 4/26

5:55 pm-8:59 pm

Nonstop5h 04m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 5/1

5:37 pm-6:31 am

1 stop10h 54m

Washington, D.C. Dulles Intl

Fri 5/9

7:00 am-4:00 pm

1 stop11h 00m

$274

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 9/4

6:00 am-4:29 pm

1 stop8h 29m

Washington, D.C. Dulles Intl

Mon 9/8

7:30 am-10:25 am

Nonstop4h 55m

$279

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 5/29

7:33 pm-7:36 am

1 stop10h 03m

Washington, D.C. Dulles Intl

Mon 6/2

6:30 am-2:42 pm

1 stop10h 12m

$288

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 9/4

2:11 pm-10:30 pm

1 stop6h 19m

Washington, D.C. Dulles Intl

Mon 9/8

7:09 am-2:02 pm

1 stop8h 53m

$289

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 4/22

3:30 pm-7:43 am

1 stop14h 13m

Washington, D.C. Dulles Intl

Sun 4/27

6:30 am-2:36 pm

1 stop10h 06m

$313

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 8/20

9:10 am-10:05 pm

2 stops10h 55m

Washington, D.C. Dulles Intl

Wed 8/27

5:45 am-9:50 am

1 stop6h 05m

$364

Saint GeorgeWashington, D.C.

SGU - IAD

SGUIAD

Saint George

Sat 6/14

5:05 am-1:27 pm

1 stop6h 22m

Washington, D.C. Dulles Intl

Sat 6/21

5:36 pm-10:56 pm

1 stop7h 20m

$700

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 6/4

5:03 pm-5:58 am

1 stop10h 55m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 20 results
1
2

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 $383). 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 3, 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 3, 2025.

The most flights from USUT to IAD are scheduled on a Monday (3 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 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 3, 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.

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
8.0
Very good

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 Frontier, with whom users have recently found tickets for as low as $137. However, be on the lookout for offers from Alaska Airlines 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?

  • 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 (94%), Aeromexico (72%), Delta (72%).

  • 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 $682. 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, 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 $383). 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
Arlington
Alexandria
Fairfax
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Fredericksburg
Woodbridge
Gaithersburg
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Falls Church
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National Harbor
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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.

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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$91Average$290FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$165Average$249FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$196Average$458FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$278Average$475FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$416Average$533FlexibilityNo cancel feeOn-time63%
DeltaCheapest$469Average$601FlexibilityNo cancel feeOn-timeN/A

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