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Cheap flights from Salt Lake City to Washington, D.C. from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Salt Lake City to Washington, D.C. departing on 12/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Salt Lake City to Washington, D.C.

Cheap round-trip flights

Frontier Logo
8:45 am - 4:59 pmSLC-DCA
6h 14m1 stop
Frontier Logo
7:00 am - 3:37 pmDCA-SLC
10h 37m2 stops
$234Frontier
Find Deal
Tue, Sep 30 - Wed, Oct 1
Frontier Logo
9:45 pm - 9:59 pmSLC-DCA
22h 14m1 stop
Frontier Logo
7:00 am - 4:39 pmDCA-SLC
11h 39m2 stops
$235Frontier
Find Deal
Mon, Oct 6 - Wed, Oct 8
Frontier Logo
8:45 am - 9:59 pmSLC-DCA
11h 14m1 stop
Frontier Logo
1:00 pm - 9:57 pmDCA-SLC
10h 57m2 stops
$236Frontier
Find Deal
Tue, Sep 30 - Thu, Oct 2
Frontier Logo
9:45 pm - 12:10 pmSLC-DCA
12h 25m1 stop
Frontier Logo
7:00 am - 7:32 amDCA-SLC
26h 32m1 stop
$238Frontier
Find Deal
Thu, Sep 25 - Sun, Sep 28
Frontier Logo
8:52 am - 4:59 pmSLC-DCA
6h 07m1 stop
Frontier Logo
6:00 pm - 10:26 pmDCA-SLC
6h 26m1 stop
$240Frontier
Find Deal
Sat, Sep 27 - Tue, Sep 30
Frontier Logo
8:45 am - 9:59 pmSLC-DCA
11h 14m1 stop
Frontier Logo
7:00 am - 2:43 pmDCA-SLC
9h 43m2 stops
$241Frontier
Find Deal
Tue, Sep 30 - Wed, Oct 8
Southwest Logo
6:05 am - 4:00 pmSLC-DCA
7h 55m1 stop
Southwest Logo
8:25 pm - 1:05 amDCA-SLC
6h 40m1 stop
$253Southwest
Find Deal
Wed, Nov 12 - Wed, Nov 26
American Airlines Logo
11:55 am - 11:00 pmSLC-DCA
9h 05m1 stop
American Airlines Logo
5:24 pm - 11:37 pmDCA-SLC
8h 13m1 stop
$289American Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Southwest Logo
1:10 pm - 11:55 pmSLC-DCA
8h 45m2 stops
Southwest Logo
6:00 am - 6:25 pmDCA-SLC
14h 25m2 stops
$290Southwest
Find Deal
Wed, Nov 12 - Wed, Nov 26
Southwest Logo
5:00 am - 4:55 pmSLC-DCA
9h 55m1 stop
Southwest Logo
6:00 am - 10:15 amDCA-SLC
6h 15m1 stop
$294Southwest
Find Deal
Sat, Nov 22 - Fri, Nov 28

Southwest flights from Salt Lake City to Washington, D.C. Reagan-National Airport

Our best Southwest deals on Salt Lake City to Washington, D.C. Reagan-National Airport flight tickets
Southwest
Nov 12
SLC6:05 amSalt Lake City
7h 55m
1 stop
DCA4:00 pmWashington, D.C. Reagan-National
Nov 26
DCA8:25 pmWashington, D.C. Reagan-National
6h 40m
1 stop
SLC1:05 amSalt Lake City
$253
Find similar
Southwest
Nov 12
SLC1:10 pmSalt Lake City
8h 45m
2 stops
DCA11:55 pmWashington, D.C. Reagan-National
Nov 26
DCA6:00 amWashington, D.C. Reagan-National
14h 25m
2 stops
SLC6:25 pmSalt Lake City
$290
Find similar
Southwest
Nov 22
SLC5:00 amSalt Lake City
9h 55m
1 stop
DCA4:55 pmWashington, D.C. Reagan-National
Nov 28
DCA6:00 amWashington, D.C. Reagan-National
6h 15m
1 stop
SLC10:15 amSalt Lake City
$294
Find similar

Frontier flights from Salt Lake City to Washington, D.C. Reagan-National Airport

Our best Frontier deals on Salt Lake City to Washington, D.C. Reagan-National Airport flight tickets
Frontier
Sep 30
SLC8:45 amSalt Lake City
6h 14m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
Oct 1
DCA7:00 amWashington, D.C. Reagan-National
10h 37m
2 stops
SLC3:37 pmSalt Lake City
$234
Find similar
Frontier
Oct 6
SLC9:45 pmSalt Lake City
22h 14m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Oct 8
DCA7:00 amWashington, D.C. Reagan-National
11h 39m
2 stops
SLC4:39 pmSalt Lake City
$235
Find similar
Frontier
Sep 30
SLC8:45 amSalt Lake City
11h 14m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Oct 2
DCA1:00 pmWashington, D.C. Reagan-National
10h 57m
2 stops
SLC9:57 pmSalt Lake City
$236
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Salt Lake City to Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Salt Lake City to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Tue 9/30

8:45 am-4:59 pm

1 stop6h 14m

Washington, D.C. Reagan-National

Wed 10/1

7:00 am-3:37 pm

2 stops10h 37m

$234

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Mon 10/6

9:45 pm-9:59 pm

1 stop22h 14m

Washington, D.C. Reagan-National

Wed 10/8

7:00 am-4:39 pm

2 stops11h 39m

$235

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Tue 9/30

8:45 am-9:59 pm

1 stop11h 14m

Washington, D.C. Reagan-National

Thu 10/2

1:00 pm-9:57 pm

2 stops10h 57m

$236

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Thu 9/25

9:45 pm-12:10 pm

1 stop12h 25m

Washington, D.C. Reagan-National

Sun 9/28

7:00 am-7:32 am

1 stop26h 32m

$238

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Sat 9/27

8:52 am-4:59 pm

1 stop6h 07m

Washington, D.C. Reagan-National

Tue 9/30

6:00 pm-10:26 pm

1 stop6h 26m

$240

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Tue 9/30

8:45 am-9:59 pm

1 stop11h 14m

Washington, D.C. Reagan-National

Wed 10/8

7:00 am-2:43 pm

2 stops9h 43m

$241

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Wed 11/12

6:05 am-4:00 pm

1 stop7h 55m

Washington, D.C. Reagan-National

Wed 11/26

8:25 pm-1:05 am

1 stop6h 40m

$253

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Sat 12/6

11:55 am-11:00 pm

1 stop9h 05m

Washington, D.C. Reagan-National

Sat 12/13

5:24 pm-11:37 pm

1 stop8h 13m

$289

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Wed 11/12

1:10 pm-11:55 pm

2 stops8h 45m

Washington, D.C. Reagan-National

Wed 11/26

6:00 am-6:25 pm

2 stops14h 25m

$290

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Sat 11/22

5:00 am-4:55 pm

1 stop9h 55m

Washington, D.C. Reagan-National

Fri 11/28

6:00 am-10:15 am

1 stop6h 15m

$294

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Salt Lake City to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of July is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Salt Lake City, with most prices found around $298. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of July, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $302.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Salt Lake City to Washington, D.C. Reagan-National Airport is on a Monday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Monday will often find tickets for as low as $499. Flights from Salt Lake City to Washington, D.C. Reagan-National Airport on a Tuesday will generally be more expensive and average around $699. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Salt Lake City to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the evening. Our users have found flights to Washington, D.C. Reagan-National Airport in the evening for as low as $426. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the morning when prices are around $607.

What is the cheapest Salt Lake City to Washington, D.C. Reagan-National flight route?

Fly from Salt Lake City to Washington, D.C. Reagan-National for the best Salt Lake City - Washington, D.C. Reagan-National flight prices

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Salt Lake City when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $406 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Salt Lake City for as low as $304 on momondo.

What cabin class options are available on Salt Lake City to Washington, D.C. Reagan-National flights?

There are 4 cabin classes available to choose from on Salt Lake City to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Salt Lake City to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of September 2025, prices for Salt Lake City to Washington, D.C. Reagan-National Airport flights are approximately 77% more expensive when compared to flights at the same time last year.

When to book flights from Salt Lake City to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Salt Lake City to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Salt Lake City to Washington, D.C. Reagan-National Airport (SLC to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Salt Lake City to Washington, D.C. Reagan-National Airport

Best Price Found

$578

Fastest flight time

4h 04m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Salt Lake City in the past 72 hours is $578. The best round-trip flight deal from Salt Lake City to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $444.
The fastest flight from Salt Lake City to Washington, D.C. Reagan-National Airport takes 4h 04m
Direct flights go from Salt Lake City to Washington, D.C. Reagan-National Airport every day.
Search flight deals

  • How far is Salt Lake City to Washington, D.C. Reagan-National by plane?

    Salt Lake City and Washington, D.C. Reagan-National are 1840.7 mi apart from one another. By plane, this route typically takes 6h 07m.

  • When did momondo last update prices for flights from Salt Lake City Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Salt Lake City Airport to Washington, D.C. Reagan-National Airport were last updated today.

  • How many operators does momondo search for flights from Salt Lake City Airport to Washington, D.C. Reagan-National Airport?

  • How old do you have to be to fly from Salt Lake City Airport to Washington, D.C. Reagan-National Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Salt Lake City Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Salt Lake City to Washington, D.C. Reagan-National Airport?

  • What is the most popular airline from Salt Lake City to Washington, D.C. Reagan-National Airport?

Best airlines flying from Salt Lake City to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Salt Lake City to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $137Free CancellationRating
5.8
3,172 reviews
Search Frontier flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $290Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
DeltaPriceFrom $329Free CancellationRating
7.9
7,954 reviews
Search Delta flights

  • Delta Flights From Salt Lake City to Washington, D.C. Reagan-National Airport

    Delta is one of the most popular airlines flying from Salt Lake City to Washington, D.C. Reagan-National Airport, operating 7 flights/week on average for this route. A good Delta flight deal for Salt Lake City to Washington, D.C. Reagan-National Airport starts from $329 round-trip, up to an average price of $594. Our users have rated Delta at 7.9/10.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg
Springfield
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Salt Lake City to Washington, D.C.?

Finding the right flight to Washington, D.C. from Salt Lake City is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Salt Lake City to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Salt Lake City on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Salt Lake City to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Salt Lake City.

I’m not ready to book a flight from Salt Lake City to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Salt Lake City and alert you when they change.

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