IAD - SLC

$156 Find Cheap Flights from Washington Dulles Airport to Salt Lake City - Compare and Save

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Everything you should know

Cheapest round-trip
$334
Typical prices: $355-$577
Frontier
Sat 10/6Sat 10/13
IAD - SLC • 1 stop
Cheapest non-stop
$359
Typical prices: $362-$593
Delta
Sun 10/21Thu 10/25
IAD - SLC • Non-stop
Nonstop flights
Every day
You can fly direct with Delta and United Airlines. Average duration is 4h 49m
Direct flights
+1
Direct flights
+1
When to book
6 weeks
in advance
Our data shows that travelers who book at least 6 weeks in advance save around 40% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 12% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Las Vegas Harry Reid Intl (LAS)
Cheapest • Avg $236 (round-trip)
Denver Intl (DEN)
Shortest trip • 6h 41m (one-way)
Insights
Insights
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We hope you love your trip to Salt Lake City!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Dulles Intl to Salt Lake City (IAD-SLC)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Salt Lake City

Tue, Oct 6 - Tue, Oct 13
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
Frontier Logo
11:36 am - 6:20 amSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
16h 44m2 stops Denver Intl Las Vegas Harry Reid Intl
$334Frontier
Mon, Oct 26 - Sat, Oct 31
Frontier Logo
9:06 pm - 3:21 pmIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
20h 15m2 stops Atlanta Hartsfield-Jackson Denver Intl
Frontier Logo
8:00 am - 11:43 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
13h 43m2 stops Denver Intl Atlanta Hartsfield-Jackson
$335Frontier
Sat, Oct 31 - Wed, Nov 4
American Airlines Logo
6:15 am - 11:51 amIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
7h 36m1 stop Charlotte Douglas
American Airlines Logo
5:00 am - 3:48 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
8h 48m1 stop Dallas/Fort Worth
$337American Airlines
Wed, Nov 11 - Tue, Nov 17
American Airlines Logo
4:39 pm - 11:50 pmIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
9h 11m1 stop Dallas/Fort Worth
American Airlines Logo
1:57 pm - 11:30 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
7h 33m1 stop Dallas/Fort Worth
$337American Airlines
Sat, Oct 24 - Thu, Oct 29
Multiple Airlines Logo
6:00 am - 1:02 pmIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
9h 02m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:53 am - 5:50 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
7h 57m1 stop San Diego
$340Multiple Airlines
Fri, Oct 30 - Wed, Nov 18
Multiple Airlines Logo
12:31 pm - 5:59 pmIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
7h 28m1 stop Dallas/Fort Worth
Multiple Airlines Logo
7:38 am - 5:40 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
8h 02m1 stop San Diego
$342Multiple Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
6:00 pm - 8:56 pmIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
4h 56mnonstop
United Airlines Logo
10:05 am - 4:08 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
4h 03mnonstop
$359United Airlines
Fri, Jan 8 - Tue, Jan 12
United Airlines Logo
5:45 pm - 8:53 pmIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
5h 08mnonstop
United Airlines Logo
10:00 am - 4:08 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
4h 08mnonstop
$359United Airlines
Sat, Oct 3 - Tue, Oct 6
Delta Logo
7:00 am - 9:34 amIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
4h 34mnonstop
Delta Logo
5:35 pm - 11:35 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
4h 00mnonstop
$359Delta
Fri, Dec 11 - Wed, Dec 16
Delta Logo
7:00 am - 9:54 amIAD  Washington, D.C. Dulles Intl-SLC Salt Lake City
4h 54mnonstop
Delta Logo
5:51 pm - 11:47 pmSLC  Salt Lake City-IAD Washington, D.C. Dulles Intl
3h 56mnonstop
$359Delta
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Salt Lake City flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Salt Lake City with more confidence.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Salt Lake City?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Salt Lake City start at $334. Prices are below average for this route right now, with typical round-trip fares ranging from $355 to $577. The lowest price found in the past 5 days was $334 on Frontier.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Salt Lake City?

Tuesday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Salt Lake City, it is 10% cheaper than the average day. Sunday is the most expensive day with flight prices 11% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • September is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Salt Lake City at $388 round-trip.
  • March ($527) and December ($500) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 35% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. Dulles Intl Airport to Salt Lake City the cheapest?

Flights from Washington, D.C. Dulles Intl Airport to Salt Lake City are cheapest 6 weeks before departure. Booking in this window typically costs about 40% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Expert advice

Expert advice for your flight from Dulles Intl to Salt Lake City

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines, Delta and IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Harriet Baskas

Harriet Baskas

Expert on SLC

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Key details for Washington, D.C. Dulles Intl Airport to Salt Lake City flights

Low season

October

Cheapest flight

$154
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Washington, D.C. Dulles Intl Airport to Salt Lake City

When to book flights from Dulles Intl to Salt Lake City

Are your dates flexible? Find out the best times to travel from Dulles Intl to Salt Lake City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Salt Lake City flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines offer extra legroom and free seat selection on Washington, D.C. Dulles Intl Airport to Salt Lake City flights?

    Among airlines operating Washington, D.C. Dulles Intl Airport to Salt Lake City flights:

    • Delta: offers extra legroom; offers free seat selection
    • United Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Washington, D.C. Dulles Intl Airport to Salt Lake City?

    2 airlines operate flights between Washington, D.C. Dulles Intl Airport and Salt Lake City. The airlines offering nonstop flights on this route include:

    • Delta
    • United Airlines

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Salt Lake City?

    Flights from Washington, D.C. Dulles Intl Airport to Salt Lake City usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Salt Lake City (SLC).

  • Which airlines include bags at no extra cost on Washington, D.C. Dulles Intl Airport to Salt Lake City flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Delta: a cabin bag and a checked bag in Economy Class
    • United Airlines: a cabin bag and a checked bag in First Class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Salt Lake City?

    Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Salt Lake City:

    • Economy Class
    • First Class

  • How much can I save by taking a layover when flying from Washington, D.C. Dulles Intl Airport to Salt Lake City?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $236 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $456 for nonstop.

  • What is the standard checked-bag allowance on flights from Washington, D.C. Dulles Intl Airport to Salt Lake City?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Washington, D.C. Dulles Intl Airport to Salt Lake City?

    The Boeing 737-900 family is used most often on this route, operated mainly by Delta. Other aircraft seen on the route include Airbus A321neo variants.

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Salt Lake City pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to Salt Lake City most commonly connect through:

    • Denver Intl (DEN) - 51% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 13% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 10% of one-stop connections
    • Charlotte Douglas (CLT) - 7% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Salt Lake City?

    Yes. Being flexible with your travel dates can save you up to 19% on the Washington, D.C. Dulles Intl Airport to Salt Lake City route. Tuesday is the cheapest departure day at $397 round-trip on average, while Sunday is the most expensive at $489, a difference of $92. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Washington, D.C. Dulles Intl Airport to Salt Lake City spread across the day?

    Morning is the busiest departure period on Washington, D.C. Dulles Intl Airport to Salt Lake City flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

  • What popular places can I visit in Salt Lake City?

    Some of the most popular sights in Salt Lake City are Salt Palace Convention Center, The University of Utah and Vivint Smart Home Arena. These are among the most viewed places in Salt Lake City on KAYAK.

  • What are the earliest and latest flights from Washington, D.C. Dulles Intl Airport to Salt Lake City?

    These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to Salt Lake City:

    • Earliest: departs at 6:13 am and lands at 11:02 am
    • Latest: departs at 6:00 pm and lands at 10:49 pm.

    The flight takes about 4h 49m.

  • How expensive are last-minute Washington, D.C. Dulles Intl Airport to Salt Lake City flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 36% above the route average of $439. Book 6 weeks before departure for the lowest fares.

  • How long is a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City?

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Salt Lake City takes 4h 49m, covering 1,823 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Salt Lake City?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to Salt Lake City changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $337 to $2,091. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Salt Lake City looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Salt Lake City are currently lower than usual. Average one-way flight prices are about $194, which is 39% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to Salt Lake City?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 6h 41m, compared with 7h 04m via Chicago O'Hare Intl (ORD) and 7h 22m via Dallas/Fort Worth (DFW).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Salt Lake City?

    Salt Lake City is 2 hours behind Washington, D.C. Dulles Intl Airport (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Salt Lake City Airport (SLC)?

    Salt Lake City Airport (SLC) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:
    • Fox
    • Hertz
    • Dollar
    • NU Car
    • Thrifty

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Salt Lake City flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Salt Lake City range from $355 to $577, with an average of $439 over the past 12 months. Anything below $355 counts as a good deal.

  • Which airlines offer Wi-Fi on Washington, D.C. Dulles Intl Airport to Salt Lake City flights?

    Two airlines offer in-flight Wi-Fi on Washington, D.C. Dulles Intl Airport to Salt Lake City flights:

    • • Delta
    • • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Washington, D.C. Dulles Intl Airport to Salt Lake City flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $397 - about $92 less than Sunday (19% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 6 weeks before you fly. On this route, that window historically saves about 40% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Salt Lake City trip for September. Fares historically average $388 round-trip in that month - typically $139 less than the most expensive month, which is March (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Las Vegas Harry Reid Intl Airport (LAS) can be cheaper than flying direct. The cheapest layover option averages $236 round-trip on this route - about $220 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Salt Lake City Airport.
    - Radisson Hotel Salt Lake City Airport
    - DoubleTree by Hilton Hotel Salt Lake City Airport
    - La Quinta Inn & Suites by Wyndham Salt Lake City Airport

Prefer to fly direct from Washington Dulles Airport to Salt Lake City?

 
Find which airlines fly direct from Washington, D.C. Dulles Intl Airport to Salt Lake City Airport, which days they fly and book direct flights.

Direct departures

Washington, D.C. Dulles Intl to Salt Lake City

Monday

Delta,United Airlines

Delta,United Airlines

Tuesday

Delta,United Airlines

Delta,United Airlines

Wednesday

Delta,United Airlines

Delta,United Airlines

Thursday

Delta,United Airlines

Delta,United Airlines

Friday

Delta,United Airlines

Delta,United Airlines

Saturday

Delta,United Airlines

Delta,United Airlines

Sunday

Delta,United Airlines

Delta,United Airlines

See more direct flights

Direct returns

Salt Lake City to Washington, D.C. Dulles Intl

Monday

Delta,United Airlines

Delta,United Airlines

Tuesday

Delta,United Airlines

Delta,United Airlines

Wednesday

Delta,United Airlines

Delta,United Airlines

Thursday

Delta,United Airlines

Delta,United Airlines

Friday

Delta,United Airlines

Delta,United Airlines

Saturday

Delta,United Airlines

Delta,United Airlines

Sunday

Delta,United Airlines

Delta,United Airlines

See more direct flights

More options for your flight from Dulles Intl to Salt Lake City

Complete your trip to Salt Lake City with a hotel stay or car rental

Car rentals in Salt Lake City
Hotels in Salt Lake City
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