$85+ Cheap flights from Arizona 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IAD
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from Arizona 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.Cheap flight deals from Arizona to Dulles Intl
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Cheapest flights from Arizona to Dulles IntlExplore the most affordable flight options available from Arizona to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Arizona to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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.
Tue 10/1310:43 pm -
Nonstop4h 37m
Sat 10/246:00 am -
Nonstop5h 04m
Deal found 9/12![Frontier logo]()
$150
This Expedia deal was found by Cheapflights users on 9/14. 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.
Wed 10/1410:43 pm -
Nonstop4h 37m
Tue 10/206:00 am -
Nonstop5h 04m
Deal found 9/14![Frontier logo]()
$152
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Fri 10/1610:43 pm -
Nonstop4h 37m
Mon 10/196:00 am -
Nonstop5h 04m
Deal found 9/10![Frontier logo]()
$155
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Wed 10/1410:43 pm -
Nonstop4h 37m
Sat 10/176:00 am -
Nonstop5h 04m
Deal found 9/11![Frontier logo]()
$157
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Sat 10/37:30 am -
1 stop13h 40m
Tue 10/66:00 am -
Nonstop4h 58m
Deal found 9/11![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/610:46 pm -
Nonstop4h 34m
Sat 10/106:00 am -
Nonstop5h 04m
Deal found 9/11![Frontier logo]()
$164
This Frontier deal was found by Cheapflights users on 9/14. 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.
Tue 10/1310:43 pm -
Nonstop4h 37m
Sat 10/176:00 am -
Nonstop5h 04m
Deal found 9/14![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 9/10. 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.
Thu 10/1510:43 pm -
Nonstop4h 37m
Sat 10/176:00 am -
Nonstop5h 04m
Deal found 9/10![Frontier logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Wed 10/2110:43 pm -
Nonstop4h 37m
Mon 10/266:00 am -
Nonstop5h 04m
Deal found 9/10![Frontier logo]()
$168
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:43 pm -
Nonstop4h 37m
Mon 10/266:00 am -
Nonstop5h 04m
Deal found 9/10![Frontier logo]()
$170
This Priceline deal was found by Cheapflights users on 9/14. 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.
Mon 10/512:59 am -
1 stop11h 35m
Tue 10/136:00 am -
Nonstop5h 04m
Deal found 9/14![Frontier logo]()
$172
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:38 pm -
1 stop7h 42m
Tue 10/136:00 am -
1 stop9h 17m
Deal found 9/11![Frontier logo]()
$281
Best flights from Arizona to Dulles IntlDiscover carefully curated flight deals from Arizona to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Arizona to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:46 pm -
1 stop8h 58m
Mon 11/96:46 pm -
1 stop8h 09m
Deal found 9/15![Alaska Airlines logo]()
$258
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 10/811:55 pm -
Nonstop4h 33m
Sat 10/104:02 pm -
1 stop7h 26m
Deal found 9/14![United Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 9/11. 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 10/811:34 pm -
1 stop7h 38m
Tue 10/136:12 pm -
1 stop8h 23m
Deal found 9/11![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/2411:50 pm -
Nonstop4h 33m
Mon 11/25:40 pm -
Nonstop5h 18m
Deal found 9/10![United Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/237:15 am -
1 stop8h 08m
Mon 10/266:42 am -
1 stop8h 23m
Deal found 9/10![American Airlines logo]()
$608
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/296:00 am -
1 stop7h 33m
Mon 11/25:40 pm -
Nonstop5h 18m
Deal found 9/10![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 9/12. 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.
Sat 10/176:00 am -
1 stop8h 10m
Thu 10/226:59 pm -
1 stop7h 45m
Deal found 9/12![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/271:30 pm -
1 stop6h 45m
Thu 10/296:10 am -
1 stop9h 14m
Deal found 9/14![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 9/13. 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 11/2412:30 pm -
1 stop9h 11m
Wed 12/27:26 am -
1 stop7h 42m
Deal found 9/13![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 9/10. 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 10/21:51 pm -
1 stop7h 50m
Wed 10/76:13 am -
1 stop7h 11m
Deal found 9/10![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/1611:55 pm -
Nonstop4h 33m
Wed 11/49:00 am -
Nonstop5h 22m
Deal found 9/10![United Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/103:08 pm -
Nonstop4h 15m
Tue 11/175:46 pm -
Nonstop5h 18m
Deal found 9/14![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 11/181:22 pm -
1 stop8h 08m
Sat 11/217:08 am -
2 stops13h 32m
Deal found 9/10![American Airlines logo]()
$612
This United Airlines deal was found by Cheapflights users on 9/13. 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 11/312:47 pm -
1 stop7h 38m
Fri 11/138:20 am -
Nonstop5h 13m
Deal found 9/13![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 9/12. 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 12/163:03 pm -
1 stop7h 39m
Mon 1/116:10 am -
2 stops8h 44m
Deal found 9/12![Delta logo]()
$522
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/21:40 pm -
1 stop6h 45m
Tue 10/62:47 pm -
1 stop9h 38m
Deal found 9/10![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 9/10. 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 10/11:44 pm -
1 stop7h 57m
Tue 10/66:05 am -
2 stops9h 11m
Deal found 9/10![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/172:05 pm -
Nonstop4h 22m
Mon 10/193:02 pm -
1 stop7h 26m
Deal found 9/11![United Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/226:00 am -
1 stop9h 23m
Tue 10/273:08 pm -
1 stop9h 04m
Deal found 9/10![American Airlines logo]()
$729
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/2411:50 pm -
Nonstop4h 33m
Tue 10/279:00 am -
Nonstop5h 22m
Deal found 9/14![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 9/11. 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 11/62:27 pm -
1 stop8h 15m
Mon 11/910:11 am -
2 stops13h 37m
Deal found 9/11![Delta logo]()
$568
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/142:05 pm -
Nonstop4h 22m
Sat 10/171:10 pm -
1 stop7h 25m
Deal found 9/10![United Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 10/34:42 pm -
2 stops13h 27m
Tue 10/66:05 am -
2 stops9h 11m
Deal found 9/10![Delta logo]()
$584
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/112:15 pm -
1 stop7h 15m
Sat 10/36:00 pm -
Nonstop4h 54m
Deal found 9/11![United Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 9/13. 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.
Sun 12/204:27 pm -
1 stop6h 10m
Mon 12/286:00 am -
1 stop8h 00m
Deal found 9/13![Delta logo]()
$585
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/1312:15 pm -
1 stop7h 15m
Tue 10/206:00 pm -
Nonstop4h 54m
Deal found 9/11![United Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/911:55 pm -
Nonstop4h 33m
Tue 10/1312:55 pm -
Nonstop4h 59m
Deal found 9/11![United Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 10/1711:55 pm -
Nonstop4h 33m
Sat 10/246:00 pm -
Nonstop5h 08m
Deal found 9/12![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 10/18:45 am -
Nonstop4h 28m
Tue 10/66:15 am -
1 stop7h 30m
Deal found 9/12![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/2412:15 pm -
1 stop7h 15m
Sun 9/276:00 pm -
Nonstop4h 54m
Deal found 9/10![United Airlines logo]()
$435
Last-minute flights from Arizona to Dulles IntlDiscover last-minute flight deals from Arizona to Dulles Intl. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Arizona to Dulles Intl. Data last updated September 15, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Sat 10/37:30 am -
1 stop13h 40m
Tue 10/66:00 am -
Nonstop4h 58m
Deal found 9/11![Frontier logo]()
$162
This Priceline deal was found by Cheapflights users on 9/14. 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.
Mon 10/512:59 am -
1 stop11h 35m
Tue 10/136:00 am -
Nonstop5h 04m
Deal found 9/14![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/610:46 pm -
Nonstop4h 34m
Sat 10/106:00 am -
Nonstop5h 04m
Deal found 9/11![Frontier logo]()
$164
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:38 pm -
1 stop7h 42m
Tue 10/136:00 am -
1 stop9h 17m
Deal found 9/11![Frontier logo]()
$281
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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.
Tue 10/1310:43 pm -
Nonstop4h 37m
Sat 10/246:00 am -
Nonstop5h 04m
Deal found 9/12![Frontier logo]()
$150
This Frontier deal was found by Cheapflights users on 9/14. 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.
Tue 10/1310:43 pm -
Nonstop4h 37m
Sat 10/176:00 am -
Nonstop5h 04m
Deal found 9/14![Frontier logo]()
$166
This Expedia deal was found by Cheapflights users on 9/14. 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.
Wed 10/1410:43 pm -
Nonstop4h 37m
Tue 10/206:00 am -
Nonstop5h 04m
Deal found 9/14![Frontier logo]()
$152
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Wed 10/1410:43 pm -
Nonstop4h 37m
Sat 10/176:00 am -
Nonstop5h 04m
Deal found 9/11![Frontier logo]()
$157
This Frontier deal was found by Cheapflights users on 9/10. 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.
Thu 10/1510:43 pm -
Nonstop4h 37m
Sat 10/176:00 am -
Nonstop5h 04m
Deal found 9/10![Frontier logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Fri 10/1610:43 pm -
Nonstop4h 37m
Mon 10/196:00 am -
Nonstop5h 04m
Deal found 9/10![Frontier logo]()
$155
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Wed 10/2110:43 pm -
Nonstop4h 37m
Mon 10/266:00 am -
Nonstop5h 04m
Deal found 9/10![Frontier logo]()
$168
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:43 pm -
Nonstop4h 37m
Mon 10/266:00 am -
Nonstop5h 04m
Deal found 9/10![Frontier logo]()
$170
One-way flights from Arizona to Dulles IntlSearch for one-way flight options from Arizona to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Arizona to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 11/269:47 pm -
Nonstop4h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Wed 11/1112:38 am -
1 stop7h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/169:53 pm -
1 stop16h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/137:20 am -
1 stop14h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/309:43 pm -
1 stop16h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$130
This Mytrip deal was found by Cheapflights users on 9/11. 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 10/1410:06 pm -
1 stop9h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$132
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/145:38 pm -
1 stop8h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$133
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Tue 9/2912:59 am -
1 stop11h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$133
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 11/147:40 am -
Nonstop4h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$134
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 10/510:15 pm -
1 stop9h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$136
This Delta deal was found by Cheapflights users on 9/14. 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 11/115:40 pm -
2 stops13h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$138
This Super.com deal was found by Cheapflights users on 9/11. 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 11/2112:30 pm -
1 stop14h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$172
Find flight deals from Arizona to Dulles Intl
Keep the following information in mind while searching for Arizona to Dulles Intl flight deals. Data was last updated September 15, 2026.
Round-trip from | $150 (Cheapflightsfares) |
|---|---|
One-way from | $85 (Cheapflightsfares) |
Popular in | March |
Cheapest in | December |
Average price | $456 |
Good round-trip deal | $511 or less |
Good one-way deal | $248 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Arizona 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 September 15, 2026.
Use the filters below to find and compare flights from Arizona to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TucsonWashington, D.C.
TUS Tucson - IAD Washington, D.C. Dulles Intl
TUSIAD
Tucson
Tue 12/29
6:20 am-4:07 pm
1 stop7h 47m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$133
Las VegasWashington, D.C.
LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl
LASIAD
Las Vegas Harry Reid Intl
Thu 11/12
11:45 pm-7:07 am
Nonstop4h 22m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$145
Las VegasWashington, D.C.
LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl
LASIAD
Las Vegas Harry Reid Intl
Mon 11/9
11:45 pm-7:07 am
Nonstop4h 22m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$145
Las VegasWashington, D.C.
LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl
LASIAD
Las Vegas Harry Reid Intl
Sat 11/7
7:00 am-5:40 pm
1 stop7h 40m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$155
Las VegasWashington, D.C.
LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl
LASIAD
Las Vegas Harry Reid Intl
Thu 10/15
11:34 pm-10:12 am
1 stop7h 38m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$155
Las VegasWashington, D.C.
LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl
LASIAD
Las Vegas Harry Reid Intl
Mon 10/5
7:49 pm-5:17 am
1 stop6h 28m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$155
Las VegasWashington, D.C.
LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl
LASIAD
Las Vegas Harry Reid Intl
Thu 10/29
6:00 am-4:28 pm
1 stop7h 28m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$155
Las VegasWashington, D.C.
LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl
LASIAD
Las Vegas Harry Reid Intl
Mon 11/2
11:37 pm-11:50 am
1 stop9h 13m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$155
Las VegasWashington, D.C.
LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl
LASIAD
Las Vegas Harry Reid Intl
Sat 10/17
6:00 am-5:10 pm
1 stop8h 10m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$165
Las VegasWashington, D.C.
LAS Las Vegas Harry Reid Intl - IAD Washington, D.C. Dulles Intl
LASIAD
Las Vegas Harry Reid Intl
Thu 10/8
6:00 am-4:01 pm
1 stop7h 01m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$183
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Arizona to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Arizona with our price prediction graph.
LAS-IAD
TUS-IAD
PHX-IAD
FLG-IAD
YUM-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 Arizona to Washington, D.C. Dulles Intl Airport
USAZ-IAD
LAS-IAD
TUS-IAD
PHX-IAD
FLG-IAD
What is the cheapest month to book a flight from Arizona to Washington, D.C. Dulles Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Arizona to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Arizona to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $642). 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 AZ to IAD?
Find hourly flight availability from Arizona 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 September 15, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 29% on flights from Arizona to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the evening.
Weekly flight availability from Arizona to Washington, D.C. Dulles Intl Airport
Explore weekly flight availability from Arizona to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2026.
The most flights from USAZ to IAD are scheduled on a Thursday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Arizona to Washington, D.C. Dulles Intl Airport?
Airfare is below average for this route at the moment.
Arizona to Washington, D.C. Dulles Intl Airport flights typically cost between $359 and $636 in October.The cheapest round-trip price found within the last 5 days was $281 on Frontier (Oct 8-Oct 13).
How far ahead should I book a flight from Arizona to Washington, D.C. Dulles Intl Airport?
To ensure you get the cheapest price possible for a flight from Arizona to Washington, D.C. Dulles Intl Airport, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Arizona to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Arizona to Dulles Intl. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Arizona to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Arizona 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
Arlington
Owings Mills
Lanham
Tysons
Woodbridge
Reston
Chantilly
Herndon
Hyattsville
Rockville
Fredericksburg
Falls Church
Sterling
Hanover
Laurel
Springfield
Oxon Hill
Clinton
Hunt Valley
Browse thousands of different options on Cheapflights for your next 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 September 15, 2026.
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Arizona and Dulles Intl flights
Browse other Arizona and Dulles Intl flight options. Last updated on September 15, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Arizona to Dulles Intl flights
Consider these flights traveling from Arizona to Dulles Intl.
Top 5 airlines flying from Arizona to Dulles Intl
Discover the top 5 airlines that operate flights from Arizona 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 September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$287 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$187 | Average$380 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$269 | Average$562 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$356 | Average$523 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$362 | Average$560 | FlexibilityNo cancel fee | On-time63% |