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Dulles Intl

$144+ Cheap flights from Salt Lake City (SLC) 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — IAD
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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1. Tell us where you want to go
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Cheapflights Tip: The best prices from Salt Lake City to Washington, D.C. Dulles Intl are usually found in January or May, booked 37 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Salt Lake City to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Salt Lake City (SLC) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(Delta)

One-way from

$144
(Hawaiian Airlines)

Popular in

February

Cheapest in

January

Average price

$524

Good round-trip deal

$478 or less

Good one-way deal

$298 or less
Provider with most accurate pricing for Salt Lake City-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Salt Lake City-Washington, D.C. Dulles Intl flights.
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From Salt Lake City to Washington, D.C. Dulles Intl
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One-way flight from Salt Lake City to Washington, D.C. Dulles Intl
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Salt Lake City to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Salt Lake City to Washington, D.C. Dulles Intl.
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Find flight deals from Salt Lake City to Dulles Intl

Cheapest flights from Salt Lake City to Dulles Intl
Explore the most affordable flight options available from Salt Lake City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This Delta deal was found by Cheapflights users on 3/24. 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 5/215:30 pmSLC - IAD
Nonstop3h 58mDelta
Mon 6/27:30 amIAD - SLC
Nonstop4h 36mDelta
Deal found 3/24$269
This Hawaiian Airlines deal was found by Cheapflights users on 3/24. 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 10/2112:15 pmSLC - IAD
1 stop9h 34mHawaiian Airlines
Fri 10/3110:00 amIAD - SLC
1 stop8h 54mHawaiian Airlines
Deal found 3/24$288
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 10/287:30 amSLC - IAD
1 stop8h 25mAlaska Airlines
Tue 11/410:00 amIAD - SLC
1 stop8h 54mAlaska Airlines
Deal found 3/24$289
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/156:51 pmSLC - IAD
2 stops11h 47mAmerican Airlines
Sun 4/206:18 amIAD - SLC
1 stop6h 58mAmerican Airlines
Deal found 3/24$294
This Frontier deal was found by Cheapflights users on 3/24. 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.
Thu 5/225:06 pmSLC - IAD
1 stop10h 49mFrontier
Thu 5/297:25 amIAD - SLC
1 stop11h 17mFrontier
Deal found 3/24$298
This United Airlines deal was found by Cheapflights users on 3/24. 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 4/2212:38 amSLC - IAD
1 stop9h 02mUnited Airlines
Mon 4/285:55 pmIAD - SLC
Nonstop5h 04mUnited Airlines
Deal found 3/24$329
This Southwest deal was found by Cheapflights users on 3/24. 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.
Thu 5/15:10 amSLC - IAD
1 stop6h 15mSouthwest
Mon 5/57:25 amIAD - SLC
2 stops15h 40mSouthwest
Deal found 3/24$364
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/88:14 pmSLC - IAD
3 stops22h 43mMultiple Airlines
Thu 5/1512:49 pmIAD - SLC
2 stops32h 30mMultiple Airlines
Deal found 3/24$440
This Sun Country Air deal was found by Cheapflights users on 3/24. 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.
Fri 7/186:40 pmSLC - IAD
1 stop15h 03mSun Country Air
Sun 7/2712:40 pmIAD - SLC
1 stop7h 02mSun Country Air
Deal found 3/24$460

Cheapflights Fare Finder

Customize your flight search to find flights from Salt Lake City 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 March 25, 2025.
Use the filters below to find and compare flights from Salt Lake City to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Salt Lake City

Fly to

Dulles Intl

Route

Depart

Return

Price

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 5/21

5:30 pm-11:28 pm

Nonstop3h 58m

Washington, D.C. Dulles Intl

Sun 6/1

7:30 am-10:06 am

Nonstop4h 36m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 4/15

6:51 pm-8:38 am

2 stops11h 47m

Washington, D.C. Dulles Intl

Sun 4/20

6:18 am-11:16 am

1 stop6h 58m

$294

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 5/22

5:06 pm-5:55 am

1 stop10h 49m

Washington, D.C. Dulles Intl

Fri 5/30

7:25 am-4:42 pm

1 stop11h 17m

$298

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 4/10

7:30 am-5:59 pm

1 stop8h 29m

Washington, D.C. Dulles Intl

Tue 4/15

7:00 am-1:51 pm

1 stop8h 51m

$313

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 4/22

12:38 am-11:40 am

1 stop9h 02m

Washington, D.C. Dulles Intl

Mon 4/28

5:55 pm-8:59 pm

Nonstop5h 04m

$329

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 5/1

5:10 am-1:25 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Mon 5/5

7:25 am-9:05 pm

2 stops15h 40m

$364

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 5/8

8:14 pm-8:57 pm

3 stops22h 43m

Washington, D.C. Dulles Intl

Thu 5/15

12:49 pm-7:19 pm

2 stops32h 30m

$440

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 7/18

6:40 pm-11:43 am

1 stop15h 03m

Washington, D.C. Dulles Intl

Sun 7/27

12:40 pm-5:42 pm

1 stop7h 02m

$460

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 6/24

7:12 pm-7:27 am

1 stop10h 15m

Washington, D.C. Dulles Intl

Tue 7/22

6:30 am-2:44 pm

1 stop10h 14m

$555

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 5/7

12:57 pm-11:58 pm

1 stop9h 01m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 18 results
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Compare providers for flights from Salt Lake City to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Salt Lake City to Dulles Intl in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Salt Lake City-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Salt Lake City-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Salt Lake City-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Salt Lake City-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Salt Lake City-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Salt Lake City to Dulles Intl

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

How far ahead should I book a flight from Salt Lake City to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Salt Lake City to Dulles Intl. Price data was last updated on March 21, 2025.

Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from Salt Lake City to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Salt Lake City to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Salt Lake City to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $387). 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 SLC to IAD?

Find hourly flight availability from Salt Lake City 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 March 25, 2025.

It’s optimal to fly from Salt Lake City to Washington, D.C. Dulles Intl Airport at noon. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Salt Lake City to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Salt Lake City to Dulles Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Salt Lake City to Washington, D.C. Dulles Intl Airport flight should consider departing on Saturday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Salt Lake City to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Salt Lake City 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 March 25, 2025.

The most flights from SLC to IAD are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 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 March 25, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Salt Lake City to Washington, D.C.. 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
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

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
Alaska Airlines
8.0
Very good
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

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
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

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
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

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
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

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
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

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 Salt Lake City 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 airport do you fly from for flights from Salt Lake City to Washington, D.C. Dulles Intl?

    Located just 5.7 mi from the city center, Salt Lake City is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Salt Lake City. Booking flights from Salt Lake City (SLC) to Washington, D.C. Dulles Intl should be relatively easy as there are 3 daily outbound flights to Washington, D.C. Dulles Intl from 5 different airlines.

  • What are the cheapest airlines flying from Salt Lake City to Washington, D.C. Dulles Intl Airport round-trip?

    Cheapflights users have booked flights from Salt Lake City to Washington, D.C. Dulles Intl Airport round-trip from $269. Other airlines that can offer you cheap pricing are American Airlines, from $294, and Frontier, from $298. You may be able to fly from Salt Lake City to Washington, D.C. Dulles Intl Airport for 52% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from Salt Lake City to Washington, D.C. Dulles Intl Airport are Hawaiian Airlines ($144), Sun Country Air ($150), and Frontier ($155).

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

    No one likes to see their flight delayed. When booking a flight from Salt Lake City to Washington, D.C. Dulles Intl Airport consider choosing United Airlines (92%), Aeromexico (81%) or KLM (77%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Salt Lake City to Washington, D.C. Dulles Intl Airport is generally $625, our data shows the cheapest flight currently is $213. When looking at the most popular route, (Salt Lake City - Washington, D.C. Dulles Intl), you can expect to pay $269 for that flight.

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

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

  • How can I find direct flights from Salt Lake City to Dulles Intl?

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

  • Can I find deals for business class flights from Salt Lake City to Dulles Intl?

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

    Currently, August is the cheapest month in which you can book a flight from Salt Lake City to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Salt Lake City to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $387). 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 Salt Lake City?

Book flights to Salt Lake City if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Woodbridge
Gaithersburg
Fredericksburg
Linthicum Heights
Silver Spring
Falls Church
Laurel
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Herndon
Sterling
Bowie
Gettysburg
National Harbor
Oxon Hill

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Top 5 airlines flying from Salt Lake City to Dulles Intl

Discover the top 5 airlines that operate flights from Salt Lake City 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$91Average$290FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$196Average$441FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$392Average$553FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$416Average$533FlexibilityNo cancel feeOn-time63%
DeltaCheapest$476Average$598FlexibilityNo cancel feeOn-timeN/A
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