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 $124. Other airlines that can offer you cheap pricing are United Airlines, from $269, and Delta, from $270. You may be able to fly from Salt Lake City to Washington, D.C. Dulles Intl Airport for 74% less than the average price by searching for these airlines.

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

The most flights from SLC to IAD are scheduled on a Tuesday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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 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 $548, 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 $182 for that flight.

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%), WestJet (89%) or Lufthansa (88%) as they are the most reliable in getting you off to your destination on time.

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

American Airlines, Delta and Frontier are the most popular airlines when flying from Salt Lake City to Washington, D.C. Dulles Intl Airport.

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

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Flights from Salt Lake City to Washington, D.C. Dulles Intl Airport lean towards being more expensive in November. Prices are generally better when you fly from Salt Lake City to Washington, D.C. Dulles Intl Airport in July, with the cheapest ticket starting at $200.

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 5 daily outbound flights to Washington, D.C. Dulles Intl from 5 different airlines.

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.

$144+ Cheap Flights from Salt Lake City to Washington, D.C. Dulles Intl Airport

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Salt Lake City to Washington, D.C. Dulles Intl are usually found in July or June, booked 37 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

Cheap flight deals from Salt Lake City to Dulles Intl

Round-trip from	$233 (Frontier)
One-way from	$144 (Hawaiian Airlines)
Popular in	February
Cheapest in	July
Average price	$390
Good round-trip deal	$325 or less
Good one-way deal	$318 or less

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

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($66 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).

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Average for round-trip flights in September 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 September 11, 2025.

Fri 10/248:59 pmSLC - IAD

1 stop13h 00mFrontier

Mon 10/2710:04 amIAD - SLC

1 stop12h 00mFrontier

Deal found 9/11

$233

Thu 10/305:35 amSLC - IAD

1 stop5h 25mSouthwest

Mon 11/35:45 pmIAD - SLC

1 stop6h 30mSouthwest

Deal found 9/11

$234

Fri 10/108:59 pmSLC - IAD

1 stop13h 00mFrontier

Mon 10/2010:04 amIAD - SLC

1 stop12h 00mFrontier

Deal found 9/10

$236

Wed 10/2912:40 pmSLC - IAD

1 stop8h 25mSouthwest

Sun 11/25:05 amIAD - SLC

1 stop6h 25mSouthwest

Deal found 9/11

$239

Thu 10/168:58 pmSLC - IAD

1 stop10h 11mFrontier

Mon 10/2010:04 amIAD - SLC

1 stop12h 00mFrontier

Deal found 9/10

$241

Sun 11/212:15 pmSLC - IAD

1 stop9h 15mSouthwest

Tue 11/44:40 pmIAD - SLC

1 stop7h 40mSouthwest

Deal found 9/10

$245

Fri 11/74:00 pmSLC - IAD

1 stop5h 30mSouthwest

Tue 11/117:40 amIAD - SLC

2 stops15h 15mSouthwest

Deal found 9/11

$247

Thu 10/24:30 pmSLC - IAD

1 stop14h 47mFrontier

Sat 10/1112:54 pmIAD - SLC

2 stops20h 38mFrontier

Deal found 9/10

$249

Thu 10/238:58 pmSLC - IAD

1 stop10h 11mFrontier

Mon 10/277:30 pmIAD - SLC

2 stops18h 10mFrontier

Deal found 9/11

$250

Thu 10/24:30 pmSLC - IAD

1 stop14h 47mFrontier

Mon 10/139:28 pmIAD - SLC

2 stops22h 49mFrontier

Deal found 9/10

$255

Thu 10/235:35 amSLC - IAD

1 stop5h 25mSouthwest

Sat 10/256:40 amIAD - SLC

1 stop7h 55mSouthwest

Deal found 9/9

$256

Wed 9/248:45 amSLC - IAD

2 stops22h 32mFrontier

Sat 9/271:02 pmIAD - SLC

2 stops23h 12mFrontier

Deal found 9/10

$257

Best flights from Salt Lake City to Dulles Intl
Discover carefully curated flight deals from Salt Lake City to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Tue 10/285:40 pmSLC - IAD

Nonstop3h 53mDelta

Sat 11/16:15 amIAD - SLC

Nonstop4h 36mDelta

Deal found 9/10

$269

Wed 10/2910:09 amSLC - IAD

Nonstop3h 58mUnited Airlines

Sun 11/25:55 pmIAD - SLC

Nonstop5h 00mUnited Airlines

Deal found 9/11

$269

Thu 10/307:13 pmSLC - IAD

1 stop20h 00mAlaska Airlines

Sun 11/27:43 amIAD - SLC

1 stop8h 46mAlaska Airlines

Deal found 9/9

$312

Sat 2/145:50 pmSLC - IAD

Nonstop4h 00mDelta

Mon 2/167:15 amIAD - SLC

Nonstop5h 00mDelta

Deal found 9/9

$269

Fri 10/311:50 pmSLC - IAD

1 stop9h 08mUnited Airlines

Fri 11/75:55 pmIAD - SLC

Nonstop5h 00mUnited Airlines

Deal found 9/10

$279

Fri 11/75:40 pmSLC - IAD

Nonstop3h 53mDelta

Tue 11/117:10 amIAD - SLC

Nonstop4h 48mDelta

Deal found 9/9

$269

Sat 10/1112:39 pmSLC - IAD

1 stop6h 45mUnited Airlines

Sat 10/186:01 amIAD - SLC

1 stop8h 05mUnited Airlines

Deal found 9/9

$303

Wed 10/291:55 pmSLC - IAD

1 stop7h 44mDelta

Tue 11/47:05 amIAD - SLC

1 stop8h 59mDelta

Deal found 9/10

$289

Last-minute flights from Salt Lake City to Dulles Intl
Discover last-minute flight deals from Salt Lake City to Dulles Intl. Data last updated September 11, 2025 and is based on user searches.

Wed 9/248:45 amSLC - IAD

2 stops22h 32mFrontier

Sat 9/271:02 pmIAD - SLC

2 stops23h 12mFrontier

Deal found 9/10

$257

Fri 9/268:32 pmSLC - IAD

2 stops13h 30mFrontier

Sun 9/2810:17 amIAD - SLC

1 stop7h 28mFrontier

Deal found 9/11

$244

Wed 10/11:42 pmSLC - IAD

2 stops21h 13mFrontier

Sun 10/510:17 amIAD - SLC

1 stop7h 28mFrontier

Deal found 9/10

$259

Thu 10/24:30 pmSLC - IAD

1 stop14h 47mFrontier

Sat 10/1112:54 pmIAD - SLC

2 stops20h 38mFrontier

Deal found 9/10

$249

Thu 10/24:30 pmSLC - IAD

1 stop14h 47mFrontier

Mon 10/139:28 pmIAD - SLC

2 stops22h 49mFrontier

Deal found 9/10

$255

Fri 10/108:59 pmSLC - IAD

1 stop13h 00mFrontier

Mon 10/2010:04 amIAD - SLC

1 stop12h 00mFrontier

Deal found 9/10

$236

Thu 10/168:58 pmSLC - IAD

1 stop10h 11mFrontier

Mon 10/2010:04 amIAD - SLC

1 stop12h 00mFrontier

Deal found 9/10

$241

Thu 10/238:58 pmSLC - IAD

1 stop10h 11mFrontier

Mon 10/277:30 pmIAD - SLC

2 stops18h 10mFrontier

Deal found 9/11

$250

Fri 10/248:59 pmSLC - IAD

1 stop13h 00mFrontier

Mon 10/2710:04 amIAD - SLC

1 stop12h 00mFrontier

Deal found 9/11

$233

Wed 10/2912:40 pmSLC - IAD

1 stop8h 25mSouthwest

Sun 11/25:05 amIAD - SLC

1 stop6h 25mSouthwest

Deal found 9/11

$239

Thu 10/305:35 amSLC - IAD

1 stop5h 25mSouthwest

Mon 11/35:45 pmIAD - SLC

1 stop6h 30mSouthwest

Deal found 9/11

$234

One-way flights from Salt Lake City to Dulles Intl
Search for one-way flight options from Salt Lake City to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Fri 2/67:30 amSLC - IAD

1 stop8h 25mHawaiian Airlines

Deal found 9/10

$144

Mon 11/245:00 amSLC - IAD

1 stop6h 10mSouthwest

Deal found 9/10

$145

Thu 2/125:30 amSLC - IAD

1 stop10h 50mSouthwest

Deal found 9/10

$146

Tue 1/206:15 amSLC - IAD

1 stop8h 35mSouthwest

Deal found 9/10

$147

Wed 10/85:34 pmSLC - IAD

2 stops27h 55mFrontier

Deal found 9/11

$148

Sun 11/167:13 pmSLC - IAD

1 stop20h 00mAlaska Airlines

Deal found 9/10

$150

Thu 11/278:08 amSLC - IAD

2 stops13h 51mFrontier

Deal found 9/10

$151

Tue 10/289:20 amSLC - IAD

2 stops11h 45mSouthwest

Deal found 9/11

$152

Mon 10/69:45 pmSLC - IAD

2 stops20h 01mFrontier

Deal found 9/9

$153

Sun 12/145:00 amSLC - IAD

1 stop6h 10mSouthwest

Deal found 9/10

$154

Mon 10/138:13 pmSLC - IAD

2 stops45h 33mMultiple Airlines

Deal found 9/9

$155

Sun 10/128:58 pmSLC - IAD

1 stop10h 11mFrontier

Deal found 9/11

$156

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 10/28

5:40 pm-11:33 pm

Nonstop3h 53m

Washington, D.C. Dulles Intl

Sat 11/1

6:15 am-8:51 am

Nonstop4h 36m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 10/29

10:09 am-4:07 pm

Nonstop3h 58m

Washington, D.C. Dulles Intl

Sun 11/2

5:55 pm-8:55 pm

Nonstop5h 00m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Sat 2/14

5:50 pm-11:50 pm

Nonstop4h 00m

Washington, D.C. Dulles Intl

Mon 2/16

7:15 am-10:15 am

Nonstop5h 00m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 11/7

5:40 pm-11:33 pm

Nonstop3h 53m

Washington, D.C. Dulles Intl

Tue 11/11

7:10 am-9:58 am

Nonstop4h 48m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 10/31

1:50 pm-12:58 am

1 stop9h 08m

Washington, D.C. Dulles Intl

Fri 11/7

5:55 pm-8:55 pm

Nonstop5h 00m

$279

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 10/29

1:55 pm-11:39 pm

1 stop7h 44m

Washington, D.C. Dulles Intl

Tue 11/4

7:05 am-2:04 pm

1 stop8h 59m

$289

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Sat 10/11

12:39 pm-9:24 pm

1 stop6h 45m

Washington, D.C. Dulles Intl

Sat 10/18

6:01 am-12:06 pm

1 stop8h 05m

$303

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 10/30

7:13 pm-5:13 pm

1 stop20h 00m

Washington, D.C. Dulles Intl

Sun 11/2

7:43 am-2:29 pm

1 stop8h 46m

$312

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Sat 11/1

7:17 am-5:13 pm

1 stop7h 56m

$144

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 11/11

7:17 am-5:13 pm

1 stop7h 56m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 20 results

The best insider tips for Salt Lake City to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Salt Lake City to Washington, D.C. Dulles Intl Airport trip

Airports

SLC

After security, enjoy local dining at The Plaza, featuring Utah craft beer and Mexican tacos.

IAD

Use the Silver Line Metro for a cheap, 40-minute ride to downtown D.C. from IAD.

Our travel experts

Ramsey Qubein

Expert on SLC and IAD

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

Prices

Airlines

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

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 $292). Flying from Salt Lake City 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 SLC to IAD?

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 27% 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?

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

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Salt Lake City to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,248 reviews

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

4,248 reviews

Southwest

8.0

Very good

4,248 reviews

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

8.0

Very good

7,960 reviews

Southwest

8.0

Very good

4,248 reviews

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

8,937 reviews

Southwest

8.0

Very good

4,248 reviews

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

10,000 reviews

Southwest

8.0

Very good

4,248 reviews

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

3,177 reviews

Southwest

8.0

Very good

4,248 reviews

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

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 5 daily outbound flights to Washington, D.C. Dulles Intl from 5 different airlines.
How long is the flight from Salt Lake City to Washington, D.C. Dulles Intl Airport?
There are many flights that can get you from Salt Lake City to Washington, D.C. Dulles Intl Airport in 3h 53m. Fly via Delta or United Airlines to get the fastest option. Airlines will cover a distance of 1823 mi. Most flights are nonstop.
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 $124. Other airlines that can offer you cheap pricing are United Airlines, from $269, and Delta, from $270. You may be able to fly from Salt Lake City to Washington, D.C. Dulles Intl Airport for 74% less than the average price by searching for these airlines.
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%), WestJet (89%) or Lufthansa (88%) 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 $548, 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 $182 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 $292). Flying from Salt Lake City 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.

See more FAQs

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Top 5 airlines flying from Salt Lake City to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$124	Average$220	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$269	Average$437	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$270	Average$500	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$288	Average$484	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$288	Average$508	FlexibilityNo cancel fee	On-time63%

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$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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Salt Lake City to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Salt Lake City to Washington, D.C. Dulles Intl are usually found in July or June, booked 37 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

Cheap flight deals from Salt Lake City to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Salt Lake City to Dulles Intl

Cheapest flights from Salt Lake City to Dulles IntlExplore 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 September 11, 2025.

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 September 11, 2025.

Cheapflights Fare Finder

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.

The best insider tips for Salt Lake City to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Salt Lake City to Washington, D.C. Dulles Intl Airport trip

Airports

SLC

IAD

Our travel experts

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.

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?

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

What is the cheapest time of day to fly from SLC to IAD?

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

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

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Salt Lake City to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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Alternative routes for Salt Lake City to Dulles Intl

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Top 5 airlines flying from Salt Lake City to Dulles Intl

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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 September 11, 2025.