$182+ Cheap flights from Salt Lake City (SLC) to Dulles Intl (IAD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — IAD
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Salt Lake City to Dulles Intl with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Salt Lake City to Washington, D.C. Dulles Intl are usually found in March or February, booked 82 days in advance, depart on a Friday or Wednesday and return on a Tuesday
Cheap flight deals from Salt Lake City to Dulles Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Salt Lake City to Dulles IntlExplore the most affordable flight options available from Salt Lake City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Salt Lake City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:23 pm -
1 stop30h 47m
Sun 11/221:09 pm -
1 stop10h 02m
Deal found 10/21![Frontier logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:54 pm -
1 stop14h 42m
Sun 11/1512:31 pm -
1 stop7h 28m
Deal found 10/23![Frontier logo]()
$348
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1711:35 pm -
1 stop7h 41m
Mon 1/47:15 am -
Nonstop4h 54m
Deal found 10/22![Delta logo]()
$349
This Cheapflightsfares deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:56 pm -
1 stop29h 14m
Fri 11/271:09 pm -
1 stop10h 02m
Deal found 10/23![Frontier logo]()
$350
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:00 am -
1 stop14h 30m
Tue 11/107:18 am -
1 stop10h 37m
Deal found 10/22![American Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:23 pm -
1 stop30h 47m
Fri 11/271:09 pm -
1 stop10h 02m
Deal found 10/24![Frontier logo]()
$352
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:28 am -
2 stops24h 08m
Wed 11/259:56 pm -
1 stop12h 01m
Deal found 10/21![Frontier logo]()
$353
This Expedia deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:10 am -
2 stops13h 33m
Mon 11/166:46 pm -
1 stop19h 14m
Deal found 10/23![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:56 pm -
2 stops21h 05m
Fri 11/271:09 pm -
1 stop10h 02m
Deal found 10/22![Frontier logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:56 pm -
1 stop29h 14m
Fri 11/271:09 pm -
1 stop10h 02m
Deal found 10/24![Frontier logo]()
$356
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/174:16 pm -
2 stops17h 20m
Wed 11/259:56 pm -
1 stop12h 01m
Deal found 10/21![Frontier logo]()
$358
This Delta deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1611:59 pm -
1 stop9h 50m
Fri 1/85:27 pm -
1 stop6h 47m
Deal found 10/24![Delta logo]()
$359
Best flights from Salt Lake City to Dulles IntlDiscover carefully curated flight deals from Salt Lake City to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Salt Lake City to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Delta deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:45 pm -
Nonstop3h 56m
Thu 12/314:30 pm -
1 stop9h 01m
Deal found 10/24![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:20 pm -
1 stop7h 24m
Wed 12/210:10 am -
1 stop7h 11m
Deal found 10/24![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/216:00 am -
1 stop8h 30m
Fri 1/297:15 am -
Nonstop4h 54m
Deal found 10/23![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:51 pm -
Nonstop3h 56m
Mon 12/147:26 am -
1 stop8h 51m
Deal found 10/22![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:27 pm -
1 stop6h 09m
Tue 12/157:00 am -
Nonstop4h 54m
Deal found 10/24![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:00 am -
1 stop8h 23m
Sat 1/95:26 pm -
1 stop6h 48m
Deal found 10/24![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/223:40 pm -
1 stop5h 53m
Sat 1/212:36 pm -
1 stop9h 27m
Deal found 10/23![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/25:50 pm -
Nonstop3h 56m
Sun 3/77:15 am -
Nonstop4h 54m
Deal found 10/20![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/101:40 pm -
1 stop7h 22m
Sat 2/137:05 am -
1 stop11h 32m
Deal found 10/20![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:16 pm -
1 stop6h 05m
Tue 11/247:00 am -
Nonstop4h 52m
Deal found 10/22![Delta logo]()
$429
Last-minute flights from Salt Lake City to Dulles IntlDiscover last-minute flight deals from Salt Lake City to Dulles Intl. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Salt Lake City to Dulles Intl. Data last updated October 25, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:28 am -
1 stop18h 52m
Sun 11/221:09 pm -
1 stop25h 50m
Deal found 10/20![Frontier logo]()
$349
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:00 am -
1 stop14h 30m
Tue 11/107:18 am -
1 stop10h 37m
Deal found 10/22![American Airlines logo]()
$351
This Expedia deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:10 am -
2 stops13h 33m
Mon 11/166:46 pm -
1 stop19h 14m
Deal found 10/23![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:54 pm -
1 stop14h 42m
Sun 11/1512:31 pm -
1 stop7h 28m
Deal found 10/23![Frontier logo]()
$348
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/174:16 pm -
2 stops17h 20m
Wed 11/259:56 pm -
1 stop12h 01m
Deal found 10/21![Frontier logo]()
$358
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:28 am -
2 stops24h 08m
Wed 11/259:56 pm -
1 stop12h 01m
Deal found 10/21![Frontier logo]()
$353
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:28 am -
2 stops24h 08m
Wed 11/2512:53 pm -
1 stop7h 23m
Deal found 10/21![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:23 pm -
1 stop30h 47m
Sun 11/221:09 pm -
1 stop10h 02m
Deal found 10/21![Frontier logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:23 pm -
1 stop30h 47m
Fri 11/271:09 pm -
1 stop10h 02m
Deal found 10/24![Frontier logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:56 pm -
2 stops21h 05m
Fri 11/271:09 pm -
1 stop10h 02m
Deal found 10/22![Frontier logo]()
$355
This Cheapflightsfares deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:56 pm -
1 stop29h 14m
Fri 11/271:09 pm -
1 stop10h 02m
Deal found 10/23![Frontier logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:56 pm -
1 stop29h 14m
Fri 11/271:09 pm -
1 stop10h 02m
Deal found 10/24![Frontier logo]()
$356
One-way flights from Salt Lake City to Dulles IntlSearch for one-way flight options from Salt Lake City to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Salt Lake City to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Super.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:52 am -
1 stop10h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$182
This Cheapflightsfares deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/282:51 pm -
1 stop13h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$184
This Orbitz deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1112:05 pm -
1 stop27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Alaska Airlines logo]()
$185
This Frontier deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:54 pm -
1 stop13h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$186
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:18 am -
1 stop10h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/197:49 pm -
2 stops32h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:46 am -
2 stops45h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/256:00 am -
2 stops11h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$202
This Frontier deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:46 am -
2 stops21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$207
This Priceline deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:40 pm -
1 stop9h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Alaska Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2410:33 am -
1 stop31h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2910:42 am -
1 stop30h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$214
Find flight deals from Salt Lake City to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Salt Lake City (SLC) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $347 (Kiwi.com) |
One-way from | $182 (Super.com) |
Popular in | June |
Cheapest in | March |
Average price | $443 |
Good round-trip deal | $519 or less |
Good one-way deal | $338 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Salt Lake City to Dulles Intl 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, Cheapflights users made 7,457,451 searches. Data last updated October 25, 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
Cheapest round-trip
Salt Lake CityWashington, D.C.
SLC Salt Lake City - IAD Washington, D.C. Dulles Intl
SLCIAD
Salt Lake City
Sun 1/10
6:03 pm-5:50 pm
1 stop21h 47m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$235
Salt Lake CityWashington, D.C.
SLC Salt Lake City - IAD Washington, D.C. Dulles Intl
SLCIAD
Salt Lake City
Sun 2/28
7:12 pm-5:31 am
1 stop8h 19m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$289
Salt Lake CityWashington, D.C.
SLC Salt Lake City - IAD Washington, D.C. Dulles Intl
SLCIAD
Salt Lake City
Sun 11/8
7:38 am-5:40 pm
1 stop8h 02m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$289
Salt Lake CityWashington, D.C.
SLC Salt Lake City - IAD Washington, D.C. Dulles Intl
SLCIAD
Salt Lake City
Thu 1/7
10:00 am-4:08 pm
Nonstop4h 08m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$294
Quickest round-trip
Salt Lake CityWashington, D.C.
SLC Salt Lake City - IAD Washington, D.C. Dulles Intl
SLCIAD
Salt Lake City
Wed 12/16
5:51 pm-11:47 pm
Nonstop3h 56m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$329
Salt Lake CityWashington, D.C.
SLC Salt Lake City - IAD Washington, D.C. Dulles Intl
SLCIAD
Salt Lake City
Mon 1/11
10:00 am-4:08 pm
Nonstop4h 08m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$329
Salt Lake CityWashington, D.C.
SLC Salt Lake City - IAD Washington, D.C. Dulles Intl
SLCIAD
Salt Lake City
Wed 12/9
5:51 pm-11:47 pm
Nonstop3h 56m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$329
Salt Lake CityWashington, D.C.
SLC Salt Lake City - IAD Washington, D.C. Dulles Intl
SLCIAD
Salt Lake City
Sun 12/27
4:45 pm-12:38 am
1 stop5h 53m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$339
Salt Lake CityWashington, D.C.
SLC Salt Lake City - IAD Washington, D.C. Dulles Intl
SLCIAD
Salt Lake City
Tue 12/22
5:45 pm-11:41 pm
Nonstop3h 56m
Washington, D.C. Dulles Intl
Thu 12/31
4:30 pm-11:31 pm
1 stop9h 01m
$349
Salt Lake CityWashington, D.C.
SLC Salt Lake City - IAD Washington, D.C. Dulles Intl
SLCIAD
Salt Lake City
Thu 1/21
6:00 am-4:30 pm
1 stop8h 30m
Washington, D.C. Dulles Intl
Fri 1/29
7:15 am-10:09 am
Nonstop4h 54m
$349
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Salt Lake City to Dulles Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Salt Lake City to Dulles Intl in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Salt Lake City-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Salt Lake City-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Salt Lake City-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Salt Lake City-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Salt Lake City-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Salt Lake City to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Salt Lake City with our price prediction graph.
SLC-IAD
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. Dulles Intl Airport
Prices
Airlines
How far ahead should I book a flight from Salt Lake City to Washington, D.C. Dulles Intl Airport?
Booking 81 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. Dulles Intl Airport. 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. Dulles Intl Airport?
Currently, March is the cheapest month in which you can book a flight from Salt Lake City to Washington, D.C. Dulles Intl Airport (average of $314). Flying from Salt Lake City to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $516). 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 IAD?
Find hourly flight availability from Salt Lake City to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 25, 2026.
It’s optimal to fly from Salt Lake City to Washington, D.C. Dulles Intl Airport in the afternoon. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight at noon.
What is the cheapest day to fly from Salt Lake City to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Salt Lake City to Dulles Intl. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their Salt Lake City to Washington, D.C. Dulles Intl Airport flight should consider departing on Sunday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Salt Lake City to Washington, D.C. Dulles Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Salt Lake City to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated October 25, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Salt Lake City to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.4
Food
7.0
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.4
Food
7.0
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.4
Food
7.0
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.4
Food
7.0
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.4
Food
7.0
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
Find useful and relevant information for your journey from Salt Lake City to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Chantilly
Woodbridge
Arlington
Owings Mills
Lanham
Sterling
Reston
Herndon
Hyattsville
Rockville
Springfield
Fredericksburg
Falls Church
Tysons
Towson
Oxon Hill
Laurel
Clinton
Hunt Valley
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Complete your trip
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Other flights to Dulles Intl
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Search flights from Salt Lake City to Dulles Intl by cabin class
Find flights from Salt Lake City to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Salt Lake City and Dulles Intl flights
Browse other Salt Lake City and Dulles Intl flight options. Last updated on October 25, 2026.
Other flights from Salt Lake City
Browse through other flights departing from Salt Lake City. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Salt Lake City to Dulles Intl
Discover the top 4 airlines that operate flights from Salt Lake City to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$125 | Average$345 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$269 | Average$447 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$279 | Average$404 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$582 | FlexibilityNo cancel fee | On-time63% |