Washington, D.C.

$131+ Cheap flights from Salt Lake City (SLC) to Washington, D.C. (WAS)

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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — WAS
Jul 25 — Aug 11
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Find cheap flights from Salt Lake City to Washington, D.C. with Cheapflights

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”

2. Select your favorite providers

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Cheapflights Tip: The best prices from Salt Lake City to Washington, D.C. are usually found in August or October, booked 49 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Salt Lake City to Washington, D.C.

Cheapest flights from Salt Lake City to Washington, D.C.
Explore the most affordable flight options available from Salt Lake City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 25, 2026.

This Trip.com deal was found by Cheapflights users on 6/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:41 pm
SLC
-
DCA
1 stop19h 10m
Frontier
Sun 7/197:00 am
DCA
-
SLC
1 stop26h 31m
Frontier
Deal found 6/23$308
This Frontier deal was found by Cheapflights users on 6/21. 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.
Sat 8/16:05 am
SLC
-
DCA
1 stop8h 54m
Frontier
Tue 8/47:00 am
DCA
-
SLC
1 stop7h 27m
Frontier
Deal found 6/21$309
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:05 am
SLC
-
IAD
2 stops14h 50m
Frontier
Sun 7/199:50 am
IAD
-
SLC
1 stop25h 36m
Frontier
Deal found 6/23$310
This Frontier deal was found by Cheapflights users on 6/24. 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.
Sun 10/47:25 am
SLC
-
DCA
1 stop12h 33m
Frontier
Thu 10/82:00 pm
DCA
-
SLC
1 stop12h 24m
Frontier
Deal found 6/24$310
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:51 pm
SLC
-
IAD
1 stop16h 13m
Frontier
Mon 9/76:20 am
IAD
-
SLC
2 stops43h 39m
Frontier
Deal found 6/20$312
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:16 am
SLC
-
DCA
1 stop6h 43m
Frontier
Tue 7/217:00 am
DCA
-
SLC
1 stop18h 44m
Frontier
Deal found 6/23$312
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:51 pm
SLC
-
IAD
1 stop16h 13m
Frontier
Fri 8/288:39 pm
IAD
-
SLC
2 stops23h 44m
Frontier
Deal found 6/23$313
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:41 pm
SLC
-
DCA
1 stop19h 10m
Frontier
Thu 7/307:00 am
DCA
-
SLC
1 stop7h 27m
Frontier
Deal found 6/20$313
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/73:41 pm
SLC
-
IAD
2 stops22h 53m
Frontier
Thu 8/139:50 am
IAD
-
SLC
1 stop25h 36m
Frontier
Deal found 6/23$314
This Southwest deal was found by Cheapflights users on 6/24. 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.
Sat 8/156:30 am
SLC
-
DCA
2 stops10h 55m
Southwest
Sat 8/229:25 am
DCA
-
SLC
1 stop9h 25m
Southwest
Deal found 6/24$314
This CheapOair deal was found by Cheapflights users on 6/20. 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 7/210:50 pm
SLC
-
DCA
1 stop21h 09m
Frontier
Sat 7/116:00 pm
DCA
-
SLC
1 stop15h 31m
Frontier
Deal found 6/20$315
This CheapOair deal was found by Cheapflights users on 6/23. 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.
Sat 9/267:49 pm
SLC
-
BWI
1 stop13h 22m
Frontier
Sat 10/312:06 pm
BWI
-
SLC
1 stop8h 48m
Frontier
Deal found 6/23$316

Find flight deals from Salt Lake City to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Salt Lake City (SLC) to Washington, D.C. (WAS). 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 June 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$308
(Trip.com)

One-way from

$131
(Expedia)

Popular in

June

Cheapest in

August

Average price

$446

Good round-trip deal

$429 or less

Good one-way deal

$229 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 Salt Lake City to Washington, D.C. (WAS)
One-way flight from Salt Lake City to Washington, D.C. (WAS)
Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Salt Lake City to Washington, D.C. (WAS).
Price to beat on a one-way flight from Salt Lake City to Washington, D.C. (WAS).

Cheapflights Fare Finder

 
Customize your flight search to find flights from Salt Lake City to Washington, D.C. 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 June 25, 2026.
Use the filters below to find and compare flights from Salt Lake City to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Tue 8/11

7:00 am-7:10 pm

2 stops10h 10m

Washington, D.C. Reagan-National

Tue 8/18

3:50 pm-10:30 pm

2 stops8h 40m

$319
Quickest round-trip

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 8/27

5:40 pm-11:39 pm

Nonstop3h 59m

Washington, D.C. Dulles Intl

Mon 8/31

7:00 am-9:39 am

Nonstop4h 39m

$329

Salt Lake CityBaltimore

SLC - BWI

SLCBWI

Salt Lake City

Tue 10/13

11:55 pm-6:00 am

Nonstop4h 05m

Baltimore/Washington

Sat 10/17

7:10 am-10:11 am

Nonstop5h 01m

$329

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 9/3

7:15 pm-5:25 am

1 stop8h 10m

Washington, D.C. Dulles Intl

Mon 9/7

6:00 pm-8:58 pm

Nonstop4h 58m

$339

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 8/5

9:20 am-3:31 pm

Nonstop4h 11m

Washington, D.C. Dulles Intl

Tue 8/11

3:40 pm-10:59 pm

1 stop9h 19m

$339

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Tue 8/18

7:00 am-7:10 pm

2 stops10h 10m

Washington, D.C. Reagan-National

Thu 8/20

4:55 pm-11:25 pm

2 stops8h 30m

$339

Salt Lake CityBaltimore

SLC - BWI

SLCBWI

Salt Lake City

Thu 8/6

11:49 pm-6:20 am

Nonstop4h 31m

Baltimore/Washington

Mon 8/17

7:39 am-10:15 am

Nonstop4h 36m

$355

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 7/9

11:50 pm-10:23 am

1 stop8h 33m

Washington, D.C. Dulles Intl

Tue 7/21

7:15 am-9:54 am

Nonstop4h 39m

$374

Salt Lake CityBaltimore

SLC - BWI

SLCBWI

Salt Lake City

Thu 8/6

7:20 pm-6:30 am

1 stop9h 10m

Baltimore/Washington

Thu 8/13

5:20 pm-11:00 pm

1 stop7h 40m

$375

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 9/11

7:06 am-6:14 pm

1 stop9h 08m

Washington, D.C. Dulles Intl

Sun 9/20

7:00 am-2:38 pm

1 stop9h 38m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from Salt Lake City to Washington, D.C.

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 Washington, D.C. in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 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. 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. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Salt Lake City-Washington, D.C. 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. 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. 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 Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

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

Currently, February is the cheapest month in which you can book a flight from Salt Lake City to Washington, D.C. (average of $116). Flying from Salt Lake City to Washington, D.C. in January is currently the most expensive (average of $180). 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 WAS?

Find hourly flight availability from Salt Lake City to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 25, 2026.

It’s typically best to fly out from Salt Lake City to Washington, D.C. in the afternoon. Doing so could potentially save you 12% on the flight price compared to flying in the morning, which is usually more expensive.

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

Explore weekly flight availability from Salt Lake City to Washington, D.C.. 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 June 25, 2026.

The most flights from SLC to WAS are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Salt Lake City to Washington, D.C.?

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

Booking 76 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.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Use this chart to determine the cheapest time to fly round-trip from Salt Lake City to Washington, D.C.. Price data was last updated on June 20, 2026.

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

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Salt Lake City to Washington, D.C. trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on SLC and IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated June 25, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Salt Lake City to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Related info for your journey

Find useful and relevant information for your journey from Salt Lake City to Washington, D.C.. 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.?

    If you book a flight to Washington, D.C. from Salt Lake City, you will be flying from Salt Lake City, which is the city’s only airport. Salt Lake City (SLC) is located 5.7 mi from the center of Salt Lake City. There are 5 flights from Salt Lake City to Washington, D.C. per day from 6 different airlines.

  • How long is the flight from Salt Lake City to Washington, D.C.?

    For as low as $329, Southwest can have you in Washington, D.C. from Salt Lake City in 3h 59m. There are 1823 mi between Salt Lake City and Washington, D.C.. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Frontier is currently your cheapest option to Washington, D.C., with prices starting at $125. Additional round-trip tickets that might be worth considering are offered by Southwest and United Airlines, with the lowest prices starting at $217 and $269, respectively. Users have found that Frontier is 67% cheaper than the other options available to this destination.

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

    $92 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on JetBlue and Southwest, with prices starting from $141 and $144, respectively.

  • What are the most popular routes from Salt Lake City to Washington, D.C.?

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

    Consider Lufthansa (94%), United Airlines (93%) or Delta (87%) when booking your flight. These represent the most reliable airlines when flying from Salt Lake City to Washington, D.C..

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

    Looking for the cheapest flight from Salt Lake City to Washington, D.C.? While on average our users pay $502, our data indicates the cheapest price to be $149. The most popular route (Salt Lake City - Washington, D.C. Dulles Intl), is priced around $329.

  • Can I find deals for flights from Salt Lake City to Washington, D.C. that include hotel bookings?

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

  • How can I find direct flights from Salt Lake City to Washington, D.C.?

    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 Washington, D.C..

  • Can I find deals for business class flights from Salt Lake City to Washington, D.C.?

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

    Currently, February is the cheapest month in which you can book a flight from Salt Lake City to Washington, D.C. (average of $116). Flying from Salt Lake City to Washington, D.C. in January is currently the most expensive (average of $180). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Laurel
Fredericksburg
Hanover
Manassas
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Salt Lake City to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Salt Lake City to Washington, D.C.

Discover the top 6 airlines that operate flights from Salt Lake City to Washington, D.C.. 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 June 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$125Average$242FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$217Average$398FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$269Average$406FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$451FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$418FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$296Average$452FlexibilityNo cancel feeOn-time62%

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