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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 10/23. 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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Cheap round-trip flights

Frontier Logo
6:30 am - 11:22 pmSLC-IAD
14h 52m2 stops
Frontier Logo
6:00 am - 7:00 pmIAD-SLC
15h 00m2 stops
$234Frontier
Find Deal
Mon, Oct 27 - Fri, Oct 31
Frontier Logo
9:45 pm - 12:55 pmSLC-IAD
13h 10m2 stops
Frontier Logo
12:54 pm - 7:32 amIAD-SLC
20h 38m2 stops
$238Frontier
Find Deal
Thu, Oct 2 - Sat, Oct 11
Delta Logo
5:40 pm - 11:33 pmSLC-IAD
3h 53mnonstop
Delta Logo
6:15 am - 8:51 amIAD-SLC
4h 36mnonstop
$269Delta
Find Deal
Tue, Oct 28 - Tue, Nov 4
Delta Logo
5:40 pm - 11:33 pmSLC-IAD
3h 53mnonstop
Delta Logo
6:55 am - 2:10 pmIAD-SLC
9h 15m1 stop
$279Delta
Find Deal
Tue, Oct 28 - Sat, Nov 15
Southwest Logo
8:55 am - 10:10 pmSLC-IAD
11h 15m2 stops
Southwest Logo
7:40 am - 12:35 pmIAD-SLC
6h 55m1 stop
$282Southwest
Find Deal
Wed, Nov 12 - Wed, Nov 19
Southwest Logo
5:25 am - 4:00 pmSLC-IAD
8h 35m1 stop
Southwest Logo
3:50 pm - 9:20 pmIAD-SLC
7h 30m1 stop
$283Southwest
Find Deal
Wed, Oct 29 - Fri, Oct 31
American Airlines Logo
12:18 pm - 10:51 pmSLC-IAD
8h 33m1 stop
American Airlines Logo
6:04 am - 12:37 pmIAD-SLC
8h 33m1 stop
$290American Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
United Airlines Logo
10:09 am - 4:07 pmSLC-IAD
3h 58mnonstop
United Airlines Logo
5:55 pm - 8:55 pmIAD-SLC
5h 00mnonstop
$291United Airlines
Find Deal
Mon, Nov 10 - Fri, Nov 21
United Airlines Logo
1:10 pm - 11:51 pmSLC-IAD
8h 41m1 stop
United Airlines Logo
5:30 pm - 8:27 pmIAD-SLC
4h 57mnonstop
$292United Airlines
Find Deal
Fri, Oct 10 - Tue, Oct 14
American Airlines Logo
12:18 pm - 10:51 pmSLC-IAD
8h 33m1 stop
American Airlines Logo
7:55 am - 3:33 pmIAD-SLC
9h 38m2 stops
$294American Airlines
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Tue, Oct 28 - Tue, Nov 4

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
Oct 28
SLC5:40 pmSalt Lake City
3h 53m
IAD11:33 pmWashington, D.C. Dulles Intl
Nov 4
IAD6:15 amWashington, D.C. Dulles Intl
4h 36m
SLC8:51 amSalt Lake City
$269
Find similar
Delta
Oct 28
SLC5:40 pmSalt Lake City
3h 53m
IAD11:33 pmWashington, D.C. Dulles Intl
Nov 15
IAD6:55 amWashington, D.C. Dulles Intl
9h 15m
1 stop
SLC2:10 pmSalt Lake City
$279
Find similar
Delta
Oct 28
SLC6:00 amSalt Lake City
8h 29m
1 stop
IAD4:29 pmWashington, D.C. Dulles Intl
Nov 12
IAD11:50 amWashington, D.C. Dulles Intl
6h 50m
1 stop
SLC4:40 pmSalt Lake City
$289
Find similar

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

Our best American Airlines deals on Salt Lake City to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Oct 30
SLC12:18 pmSalt Lake City
8h 33m
1 stop
IAD10:51 pmWashington, D.C. Dulles Intl
Nov 6
IAD6:04 amWashington, D.C. Dulles Intl
8h 33m
1 stop
SLC12:37 pmSalt Lake City
$290
Find similar
American Airlines
Oct 28
SLC12:18 pmSalt Lake City
8h 33m
1 stop
IAD10:51 pmWashington, D.C. Dulles Intl
Nov 4
IAD7:55 amWashington, D.C. Dulles Intl
9h 38m
2 stops
SLC3:33 pmSalt Lake City
$294
Find similar
American Airlines
Oct 28
SLC5:25 amSalt Lake City
11h 29m
2 stops
IAD6:54 pmWashington, D.C. Dulles Intl
Nov 1
IAD6:34 amWashington, D.C. Dulles Intl
14h 51m
2 stops
SLC7:25 pmSalt Lake City
$299
Find similar

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 September 17, 2025.
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

Mon 10/27

6:30 am-11:22 pm

2 stops14h 52m

Washington, D.C. Dulles Intl

Fri 10/31

6:00 am-7:00 pm

2 stops15h 00m

$234

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 10/2

9:45 pm-12:55 pm

2 stops13h 10m

Washington, D.C. Dulles Intl

Sat 10/11

12:54 pm-7:32 am

2 stops20h 38m

$238

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

Tue 11/4

6:15 am-8:51 am

Nonstop4h 36m

$269

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 11/15

6:55 am-2:10 pm

1 stop9h 15m

$279

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 11/12

8:55 am-10:10 pm

2 stops11h 15m

Washington, D.C. Dulles Intl

Wed 11/19

7:40 am-12:35 pm

1 stop6h 55m

$282

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 10/29

5:25 am-4:00 pm

1 stop8h 35m

Washington, D.C. Dulles Intl

Fri 10/31

3:50 pm-9:20 pm

1 stop7h 30m

$283

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 10/30

12:18 pm-10:51 pm

1 stop8h 33m

Washington, D.C. Dulles Intl

Thu 11/6

6:04 am-12:37 pm

1 stop8h 33m

$290

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Mon 11/10

10:09 am-4:07 pm

Nonstop3h 58m

Washington, D.C. Dulles Intl

Fri 11/21

5:55 pm-8:55 pm

Nonstop5h 00m

$291

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 10/10

1:10 pm-11:51 pm

1 stop8h 41m

Washington, D.C. Dulles Intl

Tue 10/14

5:30 pm-8:27 pm

Nonstop4h 57m

$292

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 10/28

12:18 pm-10:51 pm

1 stop8h 33m

Washington, D.C. Dulles Intl

Tue 11/4

7:55 am-3:33 pm

2 stops9h 38m

$294

Flights are sorted by cheapest round-trip flights 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. 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 cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, July 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 $319. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $319.

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

Our data shows that Tuesday 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 $404. 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 $640.

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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $422 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $562 on average. Flights to Washington, D.C. Dulles Intl Airport from Salt Lake City in the morning 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 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 $470 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 $323 on momondo.

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

There are 4 cabin classes available to choose from on Salt Lake City to Washington, D.C. Dulles Intl 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?

You could potentially save up to 26% on your flight if you consider stops on a Salt Lake City to Washington, D.C. Dulles Intl Airport flight.

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

As of September 2025, prices for Salt Lake City to Washington, D.C. Dulles Intl Airport flights are approximately 35% 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

$318

Fastest flight time

3h 53m

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 $318. 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 $338.
The fastest flight from Salt Lake City to Washington, D.C. Dulles Intl Airport takes 3h 53m
Direct flights go from Salt Lake City to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • 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 53m, 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
FrontierPriceFrom $124Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $270Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $288Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

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

    Delta operates around 7 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 $499, but momondo users have found Delta deals from Salt Lake City to Washington, D.C. Dulles Intl Airport from as low as $270 round-trip. Delta has been scored 7.9/10 in 7,961 reviews.

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

    United Airlines (7.4/10 from 8,926 reviews) operates around 11 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 $427, 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
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg

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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