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 $248. Other airlines that can offer you cheap pricing are Delta, from $271, and Alaska Airlines, from $285. You may be able to fly from Salt Lake City to Washington, D.C. Dulles Intl Airport for 49% 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 Frontier ($129), Hawaiian Airlines ($138), and Southwest ($146).

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 $1,377, our data shows the cheapest flight currently is $170. When looking at the most popular route, (Salt Lake City - Washington, D.C. Dulles Intl), you can expect to pay $267 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 Lufthansa (85%), United Airlines (82%) or WestJet (80%) 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.

$129+ Flights from Salt Lake City to Washington, D.C. Dulles Intl Airport

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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 Wednesday and return on a Tuesday

Cheap flight deals from Salt Lake City to Dulles Intl

Round-trip from	$248 (Frontier)
One-way from	$129 (Frontier)
Popular in	November
Cheapest in	July
Average price	$332
Good round-trip deal	$361 or less
Good one-way deal	$264 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

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Highest demand for flights based on searches. 11% potential increase in price ($62 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 July 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 July 28, 2025.

Thu 8/147:44 pmSLC - IAD

1 stop8h 50mFrontier

Sat 8/1612:27 pmIAD - SLC

1 stop8h 31mFrontier

Deal found 7/27

$248

Wed 10/15:35 pmSLC - IAD

Nonstop3h 58mDelta

Tue 10/77:10 amIAD - SLC

Nonstop4h 39mDelta

Deal found 7/28

$271

Tue 9/97:25 pmSLC - IAD

1 stop10h 08mAlaska Airlines

Wed 9/109:00 amIAD - SLC

1 stop11h 30mAlaska Airlines

Deal found 7/28

$285

Thu 9/259:54 amSLC - IAD

Nonstop4h 08mUnited Airlines

Sun 9/285:30 pmIAD - SLC

Nonstop4h 57mUnited Airlines

Deal found 7/28

$294

Wed 9/36:40 amSLC - IAD

2 stops10h 11mAmerican Airlines

Mon 9/85:40 pmIAD - SLC

1 stop7h 16mAmerican Airlines

Deal found 7/26

$296

Fri 8/155:25 amSLC - IAD

1 stop5h 55mSouthwest

Tue 8/192:25 pmIAD - SLC

1 stop8h 05mSouthwest

Deal found 7/27

$315

Thu 8/286:48 pmSLC - IAD

1 stop15h 45mSun Country Air

Sun 8/3111:42 amIAD - SLC

1 stop7h 30mSun Country Air

Deal found 7/26

$348

Fri 10/311:13 amSLC - IAD

1 stop11h 10mHawaiian Airlines

Sun 10/126:25 amIAD - SLC

1 stop8h 42mHawaiian Airlines

Deal found 7/27

$355

Fri 8/221:38 pmSLC - IAD

2 stops21h 26mMultiple Airlines

Mon 8/255:40 pmIAD - SLC

3 stops22h 17mMultiple Airlines

Deal found 7/26

$362

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 July 28, 2025.

Thu 8/147:44 pmSLC - IAD

1 stop8h 50mFrontier

Sat 8/1612:27 pmIAD - SLC

1 stop8h 31mFrontier

Deal found 7/27

$248

Wed 10/15:35 pmSLC - IAD

Nonstop3h 58mDelta

Tue 10/77:10 amIAD - SLC

Nonstop4h 39mDelta

Deal found 7/28

$271

Tue 9/97:25 pmSLC - IAD

1 stop10h 08mAlaska Airlines

Wed 9/109:00 amIAD - SLC

1 stop11h 30mAlaska Airlines

Deal found 7/28

$285

Thu 9/259:54 amSLC - IAD

Nonstop4h 08mUnited Airlines

Sun 9/285:30 pmIAD - SLC

Nonstop4h 57mUnited Airlines

Deal found 7/28

$294

Wed 9/36:40 amSLC - IAD

2 stops10h 11mAmerican Airlines

Mon 9/85:40 pmIAD - SLC

1 stop7h 16mAmerican Airlines

Deal found 7/26

$296

Wed 8/279:10 amSLC - IAD

2 stops10h 55mSouthwest

Wed 9/35:45 amIAD - SLC

1 stop6h 05mSouthwest

Deal found 7/28

$336

Thu 8/286:48 pmSLC - IAD

1 stop15h 45mSun Country Air

Sun 8/3111:42 amIAD - SLC

1 stop7h 30mSun Country Air

Deal found 7/26

$348

Fri 10/311:13 amSLC - IAD

1 stop11h 10mHawaiian Airlines

Sun 10/126:25 amIAD - SLC

1 stop8h 42mHawaiian Airlines

Deal found 7/27

$355

Fri 8/221:38 pmSLC - IAD

2 stops21h 26mMultiple Airlines

Mon 8/255:40 pmIAD - SLC

3 stops22h 17mMultiple Airlines

Deal found 7/26

$362

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 July 28, 2025 and is based on user searches.

Mon 8/45:03 pmSLC - IAD

1 stop11h 31mFrontier

Fri 8/811:04 amIAD - SLC

1 stop9h 54mFrontier

Deal found 7/26

$258

Mon 8/41:00 pmSLC - IAD

Nonstop4h 08mUnited Airlines

Fri 8/810:34 pmIAD - SLC

1 stop13h 04mUnited Airlines

Deal found 7/26

$740

Tue 8/57:12 pmSLC - IAD

1 stop10h 15mAlaska Airlines

Fri 8/86:30 amIAD - SLC

1 stop10h 14mAlaska Airlines

Deal found 7/28

$633

Wed 8/68:44 pmSLC - IAD

1 stop8h 43mMultiple Airlines

Sat 8/912:27 pmIAD - SLC

1 stop8h 31mMultiple Airlines

Deal found 7/26

$398

Wed 8/611:58 pmSLC - IAD

1 stop6h 44mAmerican Airlines

Sun 8/106:34 amIAD - SLC

1 stop7h 29mAmerican Airlines

Deal found 7/26

$464

Thu 8/75:45 pmSLC - IAD

Nonstop3h 57mDelta

Tue 8/127:30 amIAD - SLC

Nonstop4h 30mDelta

Deal found 7/26

$374

Thu 8/79:35 amSLC - IAD

2 stops11h 15mSouthwest

Sun 8/107:40 amIAD - SLC

1 stop8h 50mSouthwest

Deal found 7/26

$544

Thu 8/147:44 pmSLC - IAD

1 stop8h 50mFrontier

Sat 8/1612:27 pmIAD - SLC

1 stop8h 31mFrontier

Deal found 7/27

$248

Mon 8/185:35 pmSLC - IAD

Nonstop3h 57mDelta

Sat 8/307:30 amIAD - SLC

Nonstop4h 30mDelta

Deal found 7/27

$271

Thu 8/211:12 pmSLC - IAD

1 stop8h 43mUnited Airlines

Tue 8/265:55 pmIAD - SLC

Nonstop4h 57mUnited Airlines

Deal found 7/27

$281

Thu 8/2112:11 pmSLC - IAD

2 stops9h 48mAmerican Airlines

Mon 8/254:36 pmIAD - SLC

1 stop7h 58mAmerican Airlines

Deal found 7/27

$296

Fri 8/221:38 pmSLC - IAD

2 stops21h 26mMultiple Airlines

Mon 8/255:40 pmIAD - SLC

3 stops22h 17mMultiple Airlines

Deal found 7/26

$362

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 July 28, 2025.

Thu 8/287:34 pmSLC - IAD

1 stop8h 56mFrontier

Deal found 7/27

$129

Fri 9/121:35 pmSLC - IAD

1 stop8h 48mHawaiian Airlines

Deal found 7/28

$138

Wed 10/2212:40 pmSLC - IAD

1 stop8h 25mSouthwest

Deal found 7/27

$146

Sat 8/2311:58 pmSLC - IAD

1 stop6h 44mAmerican Airlines

Deal found 7/27

$167

Thu 9/183:34 pmSLC - IAD

2 stops18h 49mMultiple Airlines

Deal found 7/25

$173

Sat 8/236:00 pmSLC - IAD

1 stop9h 22mUnited Airlines

Deal found 7/25

$197

Thu 8/286:48 pmSLC - IAD

1 stop15h 45mSun Country Air

Deal found 7/26

$198

Sat 9/1310:38 amSLC - IAD

2 stops18h 55mAlaska Airlines

Deal found 7/28

$215

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

Thu 8/14

7:44 pm-6:34 am

1 stop8h 50m

Washington, D.C. Dulles Intl

Sat 8/16

12:27 pm-6:58 pm

1 stop8h 31m

$248

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 10/1

5:35 pm-11:33 pm

Nonstop3h 58m

Washington, D.C. Dulles Intl

Tue 10/7

7:10 am-9:49 am

Nonstop4h 39m

$271

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 9/9

7:25 pm-7:33 am

1 stop10h 08m

Washington, D.C. Dulles Intl

Wed 9/10

9:00 am-6:30 pm

1 stop11h 30m

$285

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 9/25

9:54 am-4:02 pm

Nonstop4h 08m

Washington, D.C. Dulles Intl

Sun 9/28

5:30 pm-8:27 pm

Nonstop4h 57m

$294

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 9/3

6:40 am-6:51 pm

2 stops10h 11m

Washington, D.C. Dulles Intl

Mon 9/8

5:40 pm-10:56 pm

1 stop7h 16m

$296

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 8/15

5:25 am-1:20 pm

1 stop5h 55m

Washington, D.C. Dulles Intl

Tue 8/19

2:25 pm-8:30 pm

1 stop8h 05m

$315

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 8/28

6:48 pm-12:33 pm

1 stop15h 45m

Washington, D.C. Dulles Intl

Sun 8/31

11:42 am-5:12 pm

1 stop7h 30m

$348

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 10/3

11:13 am-12:23 am

1 stop11h 10m

Washington, D.C. Dulles Intl

Sun 10/12

6:25 am-1:07 pm

1 stop8h 42m

$355

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 8/22

1:38 pm-1:04 pm

2 stops21h 26m

Washington, D.C. Dulles Intl

Mon 8/25

5:40 pm-1:57 pm

3 stops22h 17m

$362

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 8/28

7:34 pm-6:30 am

1 stop8h 56m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 17 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

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 $309). 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 36% 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.

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 Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Southwest

8.0

Very good

4,237 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Delta

8.0

Very good

7,971 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Hawaiian Airlines

7.8

Good

2,604 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

United Airlines

7.4

Good

8,893 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.
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 $248. Other airlines that can offer you cheap pricing are Delta, from $271, and Alaska Airlines, from $285. You may be able to fly from Salt Lake City to Washington, D.C. Dulles Intl Airport for 49% 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 Frontier ($129), Hawaiian Airlines ($138), and Southwest ($146).
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 Lufthansa (85%), United Airlines (82%) or WestJet (80%) 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 $1,377, our data shows the cheapest flight currently is $170. When looking at the most popular route, (Salt Lake City - Washington, D.C. Dulles Intl), you can expect to pay $267 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 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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Top 5 airlines flying from Salt Lake City to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$143	Average$215	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$168	Average$430	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$269	Average$463	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$271	Average$517	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$290	Average$508	FlexibilityNo cancel fee	On-time63%

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$129+ 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 8/28. 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 Wednesday 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 July 28, 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 July 28, 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?

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 July 25, 2025.

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?

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 July 28, 2025.

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 July 20, 2025.

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 Alaska Airlines, Southwest, and Delta 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.

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

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

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

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

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

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

How can I 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?

What is the cheapest month to book a flight from Salt Lake City 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 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 July 28, 2025.