How popular is this Salt Lake City to Washington, D.C. flight route?

This flight path from Salt Lake City to Washington, D.C. was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

Flying on Spirit Airlines is currently your cheapest option to Washington, D.C., with prices starting at $124. Additional round-trip tickets that might be worth considering are offered by Frontier and JetBlue, with the lowest prices starting at $226 and $263, respectively. Users have found that Spirit Airlines is 72% 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?

$55 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Hawaiian Airlines, with prices starting from $119 and $140, respectively.

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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 most popular routes from Salt Lake City to Washington, D.C.?

When deciding which route to take from Salt Lake City to Washington, D.C. consider Salt Lake City - Washington, D.C. Reagan-National, Salt Lake City - Washington, D.C. Dulles Intl or Salt Lake City - Baltimore/Washington as they are the most popular.

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 $311, our data indicates the cheapest price to be $138. The most popular route (Salt Lake City - Washington, D.C. Reagan-National), is priced around $239.

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

Consider KLM (90%), Southwest (86%) or Delta (78%) when booking your flight. These represent the most reliable airlines when flying from Salt Lake City to Washington, D.C..

What are the most popular airlines that fly from Salt Lake City to Washington, D.C.?

The most popular airlines flying from Salt Lake City to Washington, D.C. are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

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

Departing on a Monday is a good option for securing a great price. You can expect to save up to 35% when planning your travel around this day of the week.

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

Travelers have found it’s best to book a flight 21 days in advance to save up to 132% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 21 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Salt Lake City to Washington, D.C. 1-2 weeks in advance for as low as $270, or $471 for flights within the next 24 hours.

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

Our data shows that July tends to be the cheapest month to fly to Washington, D.C. from Salt Lake City. Users have commonly found prices around $443 for the month, but tickets can be as low as $200. Due to multiple factors, prepare for potentially higher prices in November.

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 6 flights from Salt Lake City to Washington, D.C. per day from 7 different airlines.

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.

$55+ Flights from Salt Lake City to Washington, D.C.

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

Airfare is below average for this route at the moment. Salt Lake City to Washington, D.C. flights typically cost between $296 and $542 in August. The cheapest round-trip price found within the last 3 days was $124 on Spirit Airlines (Aug 19-Aug 21).

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Find cheap flights from Salt Lake City to Washington, D.C. with Cheapflights

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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 July or September, booked 20 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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

Round-trip from	$124 (CheapOair)
One-way from	$55 (CheapOair)
Popular in	November
Cheapest in	July
Average price	$333
Good round-trip deal	$314 or less
Good one-way deal	$174 or less

From Salt Lake City to Washington, D.C. (WAS)

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One-way flight from Salt Lake City to Washington, D.C. (WAS)

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Highest demand for flights based on searches. 18% potential increase in price ($98 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($23 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. (WAS).

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Price to beat on a one-way flight from Salt Lake City to Washington, D.C. (WAS).

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Find 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 July 31, 2025.

Tue 8/193:02 pmSLC - BWI

1 stop12h 13mSpirit Airlines

Thu 8/218:09 amBWI - SLC

1 stop7h 48mSpirit Airlines

Deal found 7/29

$124

Tue 8/193:02 pmSLC - BWI

1 stop12h 13mMultiple Airlines

Sun 8/246:42 pmBWI - SLC

1 stop7h 37mMultiple Airlines

Deal found 7/29

$188

Wed 8/138:05 amSLC - DCA

1 stop6h 54mFrontier

Wed 8/207:00 amDCA - SLC

1 stop6h 52mFrontier

Deal found 7/28

$226

Thu 8/77:44 pmSLC - IAD

1 stop8h 50mFrontier

Sat 8/912:27 pmIAD - SLC

1 stop8h 31mFrontier

Deal found 7/28

$248

Sun 11/2310:36 pmSLC - DCA

1 stop7h 28mJetBlue

Thu 11/2712:35 pmDCA - SLC

1 stop11h 06mJetBlue

Deal found 7/31

$263

Wed 9/245:35 pmSLC - IAD

Nonstop3h 58mDelta

Sun 9/287:05 amIAD - SLC

Nonstop4h 28mDelta

Deal found 7/30

$271

Thu 8/2810:54 amSLC - DCA

1 stop9h 05mMultiple Airlines

Wed 9/39:59 amDCA - SLC

1 stop11h 12mMultiple Airlines

Deal found 7/29

$280

Tue 9/98:58 pmSLC - IAD

1 stop8h 35mAlaska Airlines

Wed 9/109:00 amIAD - SLC

1 stop11h 30mAlaska Airlines

Deal found 7/29

$285

Fri 10/317:00 amSLC - IAD

1 stop7h 16mUnited Airlines

Thu 11/136:30 amIAD - SLC

1 stop7h 15mUnited Airlines

Deal found 7/29

$286

Thu 9/186:18 pmSLC - IAD

1 stop16h 05mMultiple Airlines

Sun 9/2110:17 amIAD - SLC

1 stop7h 28mMultiple Airlines

Deal found 7/31

$287

Thu 8/2811:58 pmSLC - IAD

1 stop6h 41mAmerican Airlines

Wed 9/35:40 pmIAD - SLC

1 stop7h 16mAmerican Airlines

Deal found 7/29

$289

Thu 8/284:01 pmSLC - DCA

1 stop7h 04mAmerican Airlines

Wed 9/312:25 pmDCA - SLC

1 stop6h 44mAmerican Airlines

Deal found 7/29

$290

Best flights from Salt Lake City to Washington, D.C.
Discover carefully curated flight deals from Salt Lake City to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Tue 8/193:02 pmSLC - BWI

1 stop12h 13mSpirit Airlines

Thu 8/218:09 amBWI - SLC

1 stop7h 48mSpirit Airlines

Deal found 7/29

$124

Tue 8/193:02 pmSLC - BWI

1 stop12h 13mMultiple Airlines

Sun 8/246:42 pmBWI - SLC

1 stop7h 37mMultiple Airlines

Deal found 7/29

$188

Wed 8/138:05 amSLC - DCA

1 stop6h 54mFrontier

Wed 8/207:00 amDCA - SLC

1 stop6h 52mFrontier

Deal found 7/28

$226

Sun 11/2310:36 pmSLC - DCA

1 stop7h 28mJetBlue

Thu 11/2712:35 pmDCA - SLC

1 stop11h 06mJetBlue

Deal found 7/31

$263

Wed 9/245:35 pmSLC - IAD

Nonstop3h 58mDelta

Sun 9/287:05 amIAD - SLC

Nonstop4h 28mDelta

Deal found 7/30

$271

Tue 9/98:58 pmSLC - IAD

1 stop8h 35mAlaska Airlines

Wed 9/109:00 amIAD - SLC

1 stop11h 30mAlaska Airlines

Deal found 7/29

$285

Fri 10/317:00 amSLC - IAD

1 stop7h 16mUnited Airlines

Thu 11/136:30 amIAD - SLC

1 stop7h 15mUnited Airlines

Deal found 7/29

$286

Thu 8/2811:58 pmSLC - IAD

1 stop6h 41mAmerican Airlines

Wed 9/35:40 pmIAD - SLC

1 stop7h 16mAmerican Airlines

Deal found 7/29

$289

Fri 8/225:00 amSLC - DCA

1 stop8h 10mSouthwest

Mon 8/254:40 pmDCA - SLC

2 stops8h 40mSouthwest

Deal found 7/31

$296

Fri 11/77:17 amSLC - IAD

1 stop7h 56mHawaiian Airlines

Sun 11/97:43 amIAD - SLC

1 stop8h 46mHawaiian Airlines

Deal found 7/30

$346

Thu 8/147:44 pmSLC - IAD

1 stop8h 50mFrontier

Sat 8/1612:27 pmIAD - SLC

1 stop8h 31mFrontier

Deal found 7/30

$248

Thu 8/2810:54 amSLC - DCA

1 stop9h 05mMultiple Airlines

Wed 9/39:59 amDCA - SLC

1 stop11h 12mMultiple Airlines

Deal found 7/29

$280

Last-minute flights from Salt Lake City to Washington, D.C.
Discover last-minute flight deals from Salt Lake City to Washington, D.C.. Data last updated July 31, 2025 and is based on user searches.

Tue 8/58:55 pmSLC - BWI

1 stop17h 36mFrontier

Wed 8/135:26 pmBWI - SLC

1 stop21h 43mFrontier

Deal found 7/30

$289

Wed 8/62:05 pmSLC - DCA

1 stop19h 59mFrontier

Tue 8/121:00 pmDCA - SLC

1 stop12h 10mFrontier

Deal found 7/30

$245

Wed 8/65:45 pmSLC - IAD

Nonstop3h 57mDelta

Wed 8/137:30 amIAD - SLC

Nonstop4h 30mDelta

Deal found 7/30

$374

Wed 8/610:30 amSLC - DCA

Nonstop4h 16mDelta

Wed 8/135:20 pmDCA - SLC

Nonstop4h 40mDelta

Deal found 7/30

$414

Thu 8/77:44 pmSLC - IAD

1 stop8h 50mFrontier

Sat 8/912:27 pmIAD - SLC

1 stop8h 31mFrontier

Deal found 7/28

$248

Thu 8/79:34 amSLC - BWI

1 stop28h 57mMultiple Airlines

Mon 8/115:45 amBWI - SLC

1 stop10h 03mMultiple Airlines

Deal found 7/28

$255

Thu 8/71:00 pmSLC - IAD

Nonstop4h 08mUnited Airlines

Mon 8/113:56 pmIAD - SLC

1 stop8h 04mUnited Airlines

Deal found 7/31

$439

Thu 8/77:44 pmSLC - IAD

1 stop8h 50mFrontier

Sat 8/912:27 pmIAD - SLC

1 stop8h 31mFrontier

Deal found 7/30

$248

Fri 8/82:43 pmSLC - BWI

1 stop7h 06mSpirit Airlines

Thu 8/148:09 amBWI - SLC

1 stop7h 48mSpirit Airlines

Deal found 7/30

$244

Fri 8/85:45 amSLC - DCA

2 stops10h 55mSouthwest

Thu 8/146:00 amDCA - SLC

1 stop6h 15mSouthwest

Deal found 7/30

$439

Sat 8/95:30 amSLC - IAD

1 stop7h 30mSouthwest

Sat 8/167:00 amIAD - SLC

2 stops9h 10mSouthwest

Deal found 7/28

$499

Sun 8/1011:58 pmSLC - IAD

1 stop7h 55mAmerican Airlines

Sat 8/166:27 amIAD - SLC

2 stops11h 59mAmerican Airlines

Deal found 7/30

$419

One-way flights from Salt Lake City to Washington, D.C.
Search for one-way flight options from Salt Lake City to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Tue 8/193:02 pmSLC - BWI

1 stop12h 13mSpirit Airlines

Deal found 7/29

$55

Wed 8/138:05 amSLC - BWI

1 stop6h 26mFrontier

Deal found 7/31

$119

Wed 9/241:42 pmSLC - DCA

1 stop6h 17mFrontier

Deal found 7/29

$124

Fri 8/293:02 pmSLC - IAD

1 stop13h 28mMultiple Airlines

Deal found 7/29

$127

Thu 8/287:34 pmSLC - IAD

1 stop8h 56mFrontier

Deal found 7/30

$128

Tue 8/261:35 pmSLC - IAD

1 stop8h 45mHawaiian Airlines

Deal found 7/30

$140

Sun 11/2310:36 pmSLC - DCA

1 stop9h 21mJetBlue

Deal found 7/29

$142

Wed 1/1410:35 amSLC - DCA

1 stop8h 35mHawaiian Airlines

Deal found 7/30

$145

Sat 8/305:30 amSLC - IAD

1 stop7h 30mSouthwest

Deal found 7/31

$146

Wed 1/76:25 amSLC - DCA

1 stop8h 10mSouthwest

Deal found 7/30

$146

Tue 1/206:49 pmSLC - IAD

1 stop20h 36mAlaska Airlines

Deal found 7/30

$151

Sat 8/2311:58 pmSLC - IAD

1 stop6h 44mAmerican Airlines

Deal found 7/30

$168

Cheapflights Fare Finder

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

Salt Lake CityBaltimore

SLC - BWI

SLCBWI

Salt Lake City

Tue 8/19

3:02 pm-5:15 am

1 stop12h 13m

Baltimore/Washington

Thu 8/21

8:09 am-1:57 pm

1 stop7h 48m

$124

Salt Lake CityBaltimore

SLC - BWI

SLCBWI

Salt Lake City

Tue 8/19

3:02 pm-5:15 am

1 stop12h 13m

Baltimore/Washington

Sun 8/24

6:42 pm-12:19 am

1 stop7h 37m

$188

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Wed 8/13

8:05 am-4:59 pm

1 stop6h 54m

Washington, D.C. Reagan-National

Wed 8/20

7:00 am-11:52 am

1 stop6h 52m

$226

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 - DCA

SLCDCA

Salt Lake City

Sun 11/23

10:36 pm-8:04 am

1 stop7h 28m

Washington, D.C. Reagan-National

Thu 11/27

12:35 pm-9:41 pm

1 stop11h 06m

$263

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 9/24

5:35 pm-11:33 pm

Nonstop3h 58m

Washington, D.C. Dulles Intl

Sun 9/28

7:05 am-9:33 am

Nonstop4h 28m

$271

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Thu 8/28

10:54 am-9:59 pm

1 stop9h 05m

Washington, D.C. Reagan-National

Wed 9/3

9:59 am-7:11 pm

1 stop11h 12m

$280

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 9/9

8:58 pm-7:33 am

1 stop8h 35m

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

Fri 10/31

7:00 am-4:16 pm

1 stop7h 16m

Washington, D.C. Dulles Intl

Thu 11/13

6:30 am-11:45 am

1 stop7h 15m

$286

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 9/18

6:18 pm-12:23 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sun 9/21

10:17 am-3:45 pm

1 stop7h 28m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 35 results

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

Cheapflights partnered with top experts to bring you the best recommendations for your Salt Lake City to Washington, D.C. trip

Airports

SLC

Check in at SLC's main terminal before heading through the expanded security checkpoint. Enjoy local dining options like craft beer and tacos at The Plaza.

IAD

Use the Washington Metro Silver line for a cost-effective trip to Dulles, taking less than 40 minutes to reach the airport from the city.

Our travel experts

Ramsey Qubein

Expert on SLC and IAD

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.

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

Booking 20 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 month to book a flight from Salt Lake City to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Salt Lake City to Washington, D.C. (average of $241). Flying from Salt Lake City to Washington, D.C. in March is currently the most expensive (average of $290). 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?

It’s typically best to fly out from Salt Lake City to Washington, D.C. at noon. Doing so could potentially save you 35% on the flight price compared to flying in the morning, which is usually more expensive.

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

Travelers seeking maximum savings on their Salt Lake City to Washington, D.C. 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.

The most flights from SLC to WAS are scheduled on a Wednesday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.

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

4,246 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

7,981 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

2,611 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

8,900 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.?
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 6 flights from Salt Lake City to Washington, D.C. per day from 7 different airlines.
How popular is this Salt Lake City to Washington, D.C. flight route?
This flight path from Salt Lake City to Washington, D.C. was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines flying from Salt Lake City to Washington, D.C. round-trip?
Flying on Spirit Airlines is currently your cheapest option to Washington, D.C., with prices starting at $124. Additional round-trip tickets that might be worth considering are offered by Frontier and JetBlue, with the lowest prices starting at $226 and $263, respectively. Users have found that Spirit Airlines is 72% 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?
$55 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Hawaiian Airlines, with prices starting from $119 and $140, respectively.
What are the most popular routes from Salt Lake City to Washington, D.C.?
When deciding which route to take from Salt Lake City to Washington, D.C. consider Salt Lake City - Washington, D.C. Reagan-National, Salt Lake City - Washington, D.C. Dulles Intl or Salt Lake City - Baltimore/Washington as they are the most popular.
What are the most reliable airlines from Salt Lake City to Washington, D.C.?
Consider KLM (90%), Southwest (86%) or Delta (78%) 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 $311, our data indicates the cheapest price to be $138. The most popular route (Salt Lake City - Washington, D.C. Reagan-National), is priced around $239.
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, August is the cheapest month in which you can book a flight from Salt Lake City to Washington, D.C. (average of $241). Flying from Salt Lake City to Washington, D.C. in March is currently the most expensive (average of $290). 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

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Silver Spring

Fredericksburg

Gaithersburg

Towson

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Top 7 airlines flying from Salt Lake City to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$112	Average$187	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$137	Average$233	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$168	Average$490	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$262	Average$301	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$269	Average$513	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$271	Average$522	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$290	Average$488	FlexibilityNo cancel fee	On-time63%

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$55+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Salt Lake City to Washington, D.C. are usually found in July or September, booked 20 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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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 July 31, 2025.

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 July 31, 2025.

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Best time to book a flight from Salt Lake City to Washington, D.C.

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Everything you need to know about your flight from Salt Lake City to Washington, D.C.

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

Use this chart to determine the optimal time to book a round-trip flight from Salt Lake City to Washington, D.C.. 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.?

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 July 31, 2025.

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 July 27, 2025.

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

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Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.

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.

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Top 7 airlines flying from Salt Lake City to Washington, D.C.

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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 July 31, 2025.