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Cheap flights from Salt Lake City to Washington, D.C. from $163

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 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Salt Lake City to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:38 pm - 6:20 amSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
14h 42m1 stop Las Vegas Harry Reid Intl
Frontier Logo
9:04 pm - 3:21 pmIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
20h 17m2 stops Atlanta Hartsfield-Jackson Denver Intl
$314Frontier
Sat, Sep 26 - Sun, Sep 27
Frontier Logo
2:51 pm - 6:20 amSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
13h 29m1 stop Las Vegas Harry Reid Intl
Frontier Logo
1:38 pm - 7:00 pmIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
7h 22m1 stop Dallas/Fort Worth
$315Frontier
Thu, Oct 22 - Sat, Oct 24
Frontier Logo
1:38 pm - 6:20 amSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
14h 42m1 stop Las Vegas Harry Reid Intl
Frontier Logo
6:00 am - 12:43 pmIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
8h 43m1 stop Las Vegas Harry Reid Intl
$315Frontier
Wed, Sep 16 - Sun, Sep 20
United Airlines Logo
9:45 am - 4:04 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
4h 19mnonstop
United Airlines Logo
6:00 pm - 8:56 pmIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
4h 56mnonstop
$339United Airlines
Sat, Oct 24 - Sun, Nov 22
United Airlines Logo
9:21 am - 3:40 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
4h 19mnonstop
United Airlines Logo
6:00 pm - 8:56 pmIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
4h 56mnonstop
$339United Airlines
Mon, Aug 31 - Mon, Nov 2
Delta Logo
2:10 pm - 8:09 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
3h 59mnonstop
Delta Logo
7:00 am - 9:49 amIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
4h 49mnonstop
$339Delta
Sat, Nov 7 - Wed, Nov 11
Delta Logo
5:40 pm - 11:43 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
4h 03mnonstop
Delta Logo
7:00 am - 9:34 amIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
4h 34mnonstop
$339Delta
Fri, Oct 2 - Sun, Oct 4
Delta Logo
2:10 pm - 8:14 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
4h 04mnonstop
Delta Logo
7:00 am - 9:34 amIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
4h 34mnonstop
$339Delta
Sat, Oct 3 - Mon, Oct 5
American Airlines Logo
8:25 am - 6:19 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
7h 54m1 stop Dallas/Fort Worth
American Airlines Logo
7:14 am - 1:07 pmIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
7h 53m1 stop Dallas/Fort Worth
$359American Airlines
Thu, Nov 12 - Sun, Nov 15
American Airlines Logo
7:00 am - 6:23 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
9h 23m1 stop Dallas/Fort Worth
American Airlines Logo
6:42 am - 1:00 pmIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
8h 18m1 stop Dallas/Fort Worth
$359American Airlines
Sat, Oct 17 - Wed, Oct 21

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Delta flights from Salt Lake City to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Salt Lake City to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Sep 25
SLC5:40 pmSalt Lake City
4h 03m
IAD11:43 pmWashington, D.C. Dulles Intl
Sep 30
IAD7:00 amWashington, D.C. Dulles Intl
4h 34m
SLC9:34 amSalt Lake City
$339
Delta
Oct 2
SLC11:35 amSalt Lake City
9h 21m
1 stop
IAD10:56 pmWashington, D.C. Dulles Intl
Oct 6
IAD6:13 amWashington, D.C. Dulles Intl
4h 37m
SLC8:50 amSalt Lake City
$349
Delta
Sep 5
SLC11:35 pmSalt Lake City
8h 29m
1 stop
IAD10:04 amWashington, D.C. Dulles Intl
Sep 11
IAD3:15 pmWashington, D.C. Dulles Intl
7h 52m
1 stop
SLC9:07 pmSalt Lake City
$359

Frontier flights from Salt Lake City to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Salt Lake City to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Oct 16
SLC2:51 pmSalt Lake City
13h 29m
1 stop
IAD6:20 amWashington, D.C. Dulles Intl
Oct 18
IAD9:16 pmWashington, D.C. Dulles Intl
25h 17m
2 stops
SLC8:33 pmSalt Lake City
$313
Frontier
Sep 26
SLC1:38 pmSalt Lake City
14h 42m
1 stop
IAD6:20 amWashington, D.C. Dulles Intl
Sep 27
IAD9:04 pmWashington, D.C. Dulles Intl
20h 17m
2 stops
SLC3:21 pmSalt Lake City
$314
Frontier
Sep 27
SLC8:24 pmSalt Lake City
7h 56m
1 stop
IAD6:20 amWashington, D.C. Dulles Intl
Sep 30
IAD6:00 amWashington, D.C. Dulles Intl
8h 43m
1 stop
SLC12:43 pmSalt Lake City
$315

momondo Fare Finder

 
Customize your flight search to find flights from Salt Lake City to Washington, D.C. Dulles Intl 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 August 8, 2026.
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

Cheapest round-trip

Salt Lake CityWashington, D.C.

SLC Salt Lake City - IAD Washington, D.C. Dulles Intl

SLCIAD

Salt Lake City

Sat 9/26

1:38 pm-6:20 am

1 stop14h 42m

Washington, D.C. Dulles Intl

Sun 9/27

9:04 pm-3:21 pm

2 stops20h 17m

$314

Salt Lake CityWashington, D.C.

SLC Salt Lake City - IAD Washington, D.C. Dulles Intl

SLCIAD

Salt Lake City

Thu 10/22

2:51 pm-6:20 am

1 stop13h 29m

Washington, D.C. Dulles Intl

Sat 10/24

1:38 pm-7:00 pm

1 stop7h 22m

$315

Salt Lake CityWashington, D.C.

SLC Salt Lake City - IAD Washington, D.C. Dulles Intl

SLCIAD

Salt Lake City

Wed 9/16

1:38 pm-6:20 am

1 stop14h 42m

Washington, D.C. Dulles Intl

Sun 9/20

6:00 am-12:43 pm

1 stop8h 43m

$315

Salt Lake CityWashington, D.C.

SLC Salt Lake City - IAD Washington, D.C. Dulles Intl

SLCIAD

Salt Lake City

Sat 10/24

9:45 am-4:04 pm

Nonstop4h 19m

Washington, D.C. Dulles Intl

Sun 11/22

6:00 pm-8:56 pm

Nonstop4h 56m

$339

Salt Lake CityWashington, D.C.

SLC Salt Lake City - IAD Washington, D.C. Dulles Intl

SLCIAD

Salt Lake City

Mon 8/31

9:21 am-3:40 pm

Nonstop4h 19m

Washington, D.C. Dulles Intl

Mon 11/2

6:00 pm-8:56 pm

Nonstop4h 56m

$339

Salt Lake CityWashington, D.C.

SLC Salt Lake City - IAD Washington, D.C. Dulles Intl

SLCIAD

Salt Lake City

Sat 11/7

2:10 pm-8:09 pm

Nonstop3h 59m

Washington, D.C. Dulles Intl

Wed 11/11

7:00 am-9:49 am

Nonstop4h 49m

$339
Quickest round-trip

Salt Lake CityWashington, D.C.

SLC Salt Lake City - IAD Washington, D.C. Dulles Intl

SLCIAD

Salt Lake City

Fri 10/2

5:40 pm-11:43 pm

Nonstop4h 03m

Washington, D.C. Dulles Intl

Sun 10/4

7:00 am-9:34 am

Nonstop4h 34m

$339

Salt Lake CityWashington, D.C.

SLC Salt Lake City - IAD Washington, D.C. Dulles Intl

SLCIAD

Salt Lake City

Sat 10/3

2:10 pm-8:14 pm

Nonstop4h 04m

Washington, D.C. Dulles Intl

Mon 10/5

7:00 am-9:34 am

Nonstop4h 34m

$339

Salt Lake CityWashington, D.C.

SLC Salt Lake City - IAD Washington, D.C. Dulles Intl

SLCIAD

Salt Lake City

Thu 11/12

8:25 am-6:19 pm

1 stop7h 54m

Washington, D.C. Dulles Intl

Sun 11/15

7:14 am-1:07 pm

1 stop7h 53m

$359

Salt Lake CityWashington, D.C.

SLC Salt Lake City - IAD Washington, D.C. Dulles Intl

SLCIAD

Salt Lake City

Sat 10/17

7:00 am-6:23 pm

1 stop9h 23m

Washington, D.C. Dulles Intl

Wed 10/21

6:42 am-1:00 pm

1 stop8h 18m

$359

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Salt Lake City to Washington, D.C. Dulles Intl 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 typical price of a round-trip flight between Salt Lake City and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $372 to $564.
The lowest price recently found on this route was $313.

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

In general, March is the cheapest month to fly from Salt Lake City to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $314. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $328.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $412. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Salt Lake City to Washington, D.C. Dulles Intl Airport for around $579.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Salt Lake City in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $432 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $657 on average. Flights to Washington, D.C. Dulles Intl Airport from Salt Lake City at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Salt Lake City to Washington, D.C. Dulles Intl flight route?

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

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl 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. Dulles Intl Airport for around $390 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Salt Lake City for as low as $324 on momondo.

What cabin class options are available on Salt Lake City to Washington, D.C. Dulles Intl Airport flights?

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

Can stopping save me money on Salt Lake City to Washington, D.C. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Salt Lake City to Washington, D.C. Dulles Intl Airport.

How have Salt Lake City to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of August 2026, prices for Salt Lake City to Washington, D.C. Dulles Intl Airport flights are approximately 15% cheaper when compared to flights at the same time last year.

When to book flights from Salt Lake City to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Salt Lake City to Washington, D.C. Dulles Intl 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. Dulles Intl Airport (SLC to IAD) flight deals and tips

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

Best Price Found

$308

Fastest flight time

3h 52m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Salt Lake City in the past 72 hours is $308. The best round-trip flight deal from Salt Lake City to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $389.
The fastest flight from Salt Lake City to Washington, D.C. Dulles Intl Airport takes 3h 52m
Direct flights go from Salt Lake City to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Salt Lake City to Washington, D.C. Dulles Intl Airport

  • How far is Salt Lake City to Washington, D.C. Dulles Intl by plane?

    There are 1817.6 mi between Salt Lake City and Washington, D.C. Dulles Intl. Flights usually cover this in 3h 52m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Salt Lake City Airport to Washington, D.C. Dulles Intl Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Salt Lake City Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

  • What is the most popular airline from Salt Lake City to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Salt Lake City to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Salt Lake City to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $269Free CancellationRating
7.4
10,086 reviews
Search United Airlines flights
DeltaPriceFrom $269Free CancellationRating
7.8
8,502 reviews
Search Delta flights
SouthwestPriceFrom $285Free CancellationRating
8.0
4,216 reviews
Search Southwest flights

  • Delta Flights From Salt Lake City to Washington, D.C. Dulles Intl Airport

    Delta operates around 6 flights from Salt Lake City to Washington, D.C. Dulles Intl Airport every week. The average price of these flights found in the last 72 hours has been $421, but momondo users have found Delta deals from Salt Lake City to Washington, D.C. Dulles Intl Airport from as low as $269 round-trip. Delta has been scored 7.8/10 in 8,502 reviews.

  • United Airlines Flights From Salt Lake City to Washington, D.C. Dulles Intl Airport

    United Airlines (7.4/10 from 10,086 reviews) operates around 4 flights from Salt Lake City to Washington, D.C. Dulles Intl Airport in any given week. The average United Airlines airfare for this route is around $386, with deals from around $269 rare but found on momondo. Referenced prices are for round-trip Salt Lake City to Washington, D.C. Dulles Intl Airport flight searches in the last 72 hours.

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

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

Why use momondo?

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

It is quick and easy to find Salt Lake City to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Flights from Salt Lake City to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Yes momondo offers price alerts on flights to Washington, D.C. from Salt Lake City. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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