$167+ Cheap flights from Dulles Intl (IAD) to Montana
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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BZN
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Cheapest flights from Dulles Intl to MontanaExplore the most affordable flight options available from Dulles Intl to Montana. 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 Dulles Intl to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
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.
Sun 11/16:13 am -
1 stop8h 25m
Sat 11/141:21 pm -
2 stops9h 20m
Deal found 9/10![Delta logo]()
$354
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 11/45:20 pm -
1 stop7h 10m
Wed 11/115:00 am -
1 stop5h 55m
Deal found 9/10![United Airlines logo]()
$359
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 11/142:30 pm -
1 stop7h 07m
Wed 11/186:34 am -
2 stops7h 25m
Deal found 9/10![Delta logo]()
$364
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 10/35:27 pm -
1 stop7h 24m
Sat 10/105:57 pm -
1 stop9h 20m
Deal found 9/11![United Airlines logo]()
$379
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 10/102:43 pm -
1 stop8h 25m
Sat 11/72:23 pm -
1 stop6h 52m
Deal found 9/12![United Airlines logo]()
$379
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 10/176:10 am -
1 stop7h 22m
Tue 10/2012:28 pm -
1 stop8h 24m
Deal found 9/10![United Airlines logo]()
$379
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 10/106:13 am -
1 stop8h 15m
Sat 11/71:08 pm -
2 stops9h 34m
Deal found 9/12![Delta logo]()
$384
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 10/246:05 am -
2 stops8h 18m
Tue 10/272:00 pm -
2 stops7h 16m
Deal found 9/10![Delta logo]()
$389
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 10/2910:57 am -
2 stops11h 18m
Sat 10/3112:58 pm -
2 stops8h 28m
Deal found 9/11![Delta 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.
Sat 10/246:05 am -
2 stops8h 23m
Fri 10/301:08 pm -
2 stops9h 34m
Deal found 9/12![Delta logo]()
$389
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.
Sat 10/101:10 pm -
1 stop8h 02m
Sat 10/1712:53 pm -
1 stop6h 18m
Deal found 9/13![United Airlines logo]()
$394
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.
Sat 10/176:10 am -
1 stop7h 22m
Sat 10/174:15 pm -
1 stop11h 31m
Deal found 9/13![United Airlines logo]()
$394
Best flights from Dulles Intl to MontanaDiscover carefully curated flight deals from Dulles Intl to Montana 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 Dulles Intl to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
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 11/142:30 pm -
1 stop7h 07m
Wed 11/186:34 am -
2 stops7h 25m
Deal found 9/10![Delta logo]()
$364
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 10/242:43 pm -
1 stop8h 25m
Fri 10/306:28 am -
1 stop9h 27m
Deal found 9/12![United Airlines logo]()
$379
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:02 am -
1 stop9h 48m
Tue 11/34:21 pm -
1 stop11h 23m
Deal found 9/13![Alaska Airlines logo]()
$429
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 10/136:13 am -
1 stop8h 15m
Tue 10/201:08 pm -
2 stops9h 34m
Deal found 9/13![Delta logo]()
$384
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.
Sat 10/101:10 pm -
1 stop8h 02m
Sat 10/1712:53 pm -
1 stop6h 18m
Deal found 9/13![United Airlines logo]()
$394
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 10/246:05 am -
2 stops8h 23m
Fri 10/301:08 pm -
2 stops9h 34m
Deal found 9/12![Delta logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 11/35:17 pm -
1 stop18h 22m
Fri 11/136:58 pm -
1 stop8h 46m
Deal found 9/9![Alaska Airlines logo]()
$451
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 9/264:12 pm -
1 stop7h 10m
Wed 9/302:37 pm -
1 stop6h 48m
Deal found 9/10![United Airlines logo]()
$418
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.
Sun 10/46:00 am -
1 stop9h 38m
Wed 10/281:12 pm -
1 stop8h 23m
Deal found 9/11![Delta logo]()
$399
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am -
1 stop9h 46m
Tue 10/271:55 pm -
1 stop8h 04m
Deal found 9/11![Alaska Airlines logo]()
$458
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 10/156:10 am -
1 stop7h 18m
Mon 10/1912:26 pm -
1 stop8h 26m
Deal found 9/14![United Airlines logo]()
$429
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.
Fri 10/236:59 pm -
1 stop6h 58m
Wed 10/286:00 am -
2 stops9h 10m
Deal found 9/12![Delta logo]()
$404
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 10/312:05 pm -
1 stop9h 33m
Wed 11/42:45 pm -
1 stop6h 30m
Deal found 9/10![United Airlines logo]()
$448
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.
Sun 11/86:13 am -
1 stop7h 24m
Sun 11/156:17 pm -
2 stops12h 52m
Deal found 9/10![Delta logo]()
$414
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:02 am -
1 stop9h 48m
Mon 10/267:03 am -
1 stop14h 56m
Deal found 9/13![Alaska Airlines logo]()
$536
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 9/294:12 pm -
1 stop7h 10m
Sat 10/32:37 pm -
1 stop6h 48m
Deal found 9/14![United Airlines logo]()
$449
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 10/136:13 am -
1 stop7h 24m
Tue 10/203:36 pm -
1 stop5h 50m
Deal found 9/13![Delta logo]()
$429
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.
Sat 10/242:43 pm -
1 stop8h 39m
Wed 10/282:45 pm -
1 stop6h 30m
Deal found 9/13![United Airlines logo]()
$468
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 10/146:13 am -
1 stop7h 24m
Wed 10/213:36 pm -
1 stop5h 50m
Deal found 9/14![Delta logo]()
$429
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:17 pm -
1 stop25h 02m
Sat 11/144:59 pm -
1 stop10h 45m
Deal found 9/10![Alaska Airlines logo]()
$571
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 1/302:25 pm -
1 stop9h 13m
Wed 2/38:40 am -
1 stop8h 25m
Deal found 9/14![United Airlines logo]()
$468
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.
Tue 9/296:47 pm -
1 stop6h 32m
Fri 10/302:00 pm -
1 stop7h 26m
Deal found 9/11![Delta logo]()
$434
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 9/292:43 pm -
1 stop8h 27m
Tue 10/62:28 pm -
1 stop6h 57m
Deal found 9/11![United Airlines logo]()
$471
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 10/38:08 am -
2 stops11h 45m
Sat 10/106:16 am -
1 stop5h 32m
Deal found 9/10![Delta logo]()
$434
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.
Wed 1/66:10 am -
2 stops8h 19m
Tue 1/121:29 pm -
1 stop8h 04m
Deal found 9/11![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 11/26:11 am -
1 stop7h 34m
Sun 11/152:37 pm -
1 stop6h 38m
Deal found 9/9![United Airlines logo]()
$479
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 1/302:25 pm -
1 stop8h 34m
Wed 2/32:30 pm -
1 stop6h 43m
Deal found 9/14![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 9/9. 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 10/257:05 am -
1 stop9h 53m
Sun 11/81:12 pm -
2 stops8h 14m
Deal found 9/9![Delta logo]()
$444
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 10/32:43 pm -
1 stop8h 53m
Sat 10/1012:26 pm -
1 stop6h 45m
Deal found 9/11![United Airlines logo]()
$489
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.
Wed 11/412:20 pm -
2 stops9h 55m
Wed 11/1112:58 pm -
2 stops8h 23m
Deal found 9/10![Delta logo]()
$459
Last-minute flights from Dulles Intl to MontanaDiscover last-minute flight deals from Dulles Intl to Montana. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Montana. Data last updated September 15, 2026 and is based on user searches.
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 10/35:27 pm -
1 stop7h 24m
Sat 10/105:57 pm -
1 stop9h 20m
Deal found 9/11![United Airlines logo]()
$379
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.
Sat 10/36:10 am -
1 stop8h 22m
Sat 10/178:25 am -
1 stop9h 41m
Deal found 9/11![Delta logo]()
$399
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 10/102:43 pm -
1 stop8h 25m
Sat 11/72:23 pm -
1 stop6h 52m
Deal found 9/12![United Airlines logo]()
$379
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 10/106:13 am -
1 stop8h 15m
Sat 11/71:08 pm -
2 stops9h 34m
Deal found 9/12![Delta logo]()
$384
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.
Sat 10/101:10 pm -
1 stop8h 02m
Sat 10/1712:53 pm -
1 stop6h 18m
Deal found 9/13![United Airlines logo]()
$394
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 10/136:05 am -
2 stops8h 23m
Tue 10/201:08 pm -
2 stops9h 34m
Deal found 9/13![Delta logo]()
$402
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 10/146:10 am -
1 stop7h 22m
Tue 10/2012:28 pm -
1 stop8h 24m
Deal found 9/14![United Airlines logo]()
$399
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 10/176:10 am -
1 stop7h 22m
Tue 10/2012:28 pm -
1 stop8h 24m
Deal found 9/10![United Airlines logo]()
$379
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.
Sat 10/176:10 am -
1 stop7h 22m
Sat 10/174:15 pm -
1 stop11h 31m
Deal found 9/13![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.
Sat 10/246:05 am -
2 stops8h 18m
Tue 10/272:00 pm -
2 stops7h 16m
Deal found 9/10![Delta 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.
Sat 10/246:05 am -
2 stops8h 23m
Fri 10/301:08 pm -
2 stops9h 34m
Deal found 9/12![Delta logo]()
$389
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 10/296:13 am -
1 stop8h 05m
Sat 10/316:30 am -
2 stops11h 44m
Deal found 9/11![Delta logo]()
$384
One-way flights from Dulles Intl to MontanaSearch for one-way flight options from Dulles Intl to Montana. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Dulles Intl to Montana. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
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 11/38:05 am -
3 stops51h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$167
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 10/146:35 am -
1 stop10h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$190
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.
Sat 10/247:02 am -
1 stop9h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Alaska Airlines logo]()
$200
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 10/36:10 am -
1 stop7h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$200
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:03 am -
1 stop10h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$205
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 10/312:25 pm -
2 stops12h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$205
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:17 pm -
1 stop18h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Alaska Airlines logo]()
$215
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 10/148:13 am -
2 stops14h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$215
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.
Sat 10/106:13 am -
1 stop7h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$215
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:01 am -
2 stops10h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![American Airlines logo]()
$220
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:39 pm -
1 stop19h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Alaska Airlines logo]()
$225
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:52 am -
1 stop9h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![American Airlines logo]()
$225
Find flight deals from Dulles Intl to Montana
Keep the following information in mind while searching for Dulles Intl to Montana flight deals. Data was last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $354 (Delta) |
One-way from | $167 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $500 |
Good round-trip deal | $344 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Montana 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 Washington, D.C. Dulles Intl Airport to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Missoula
IAD Washington, D.C. Dulles Intl - MSO Missoula Johnson-Bell Field
IADMSO
Washington, D.C. Dulles Intl
Wed 10/14
6:35 am-3:19 pm
1 stop10h 44m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$190
Washington, D.C.Missoula
IAD Washington, D.C. Dulles Intl - MSO Missoula Johnson-Bell Field
IADMSO
Washington, D.C. Dulles Intl
Sat 10/3
6:10 am-11:32 am
1 stop7h 22m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$200
Washington, D.C.Missoula
IAD Washington, D.C. Dulles Intl - MSO Missoula Johnson-Bell Field
IADMSO
Washington, D.C. Dulles Intl
Sat 10/3
12:25 pm-11:13 pm
2 stops12h 48m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$205
Washington, D.C.Kalispell
IAD Washington, D.C. Dulles Intl - FCA Kalispell Glacier Park
IADFCA
Washington, D.C. Dulles Intl
Fri 10/23
6:10 am-11:28 am
1 stop7h 18m
Kalispell Glacier Park
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$205
Washington, D.C.Bozeman
IAD Washington, D.C. Dulles Intl - BZN Bozeman Gallatin Field
IADBZN
Washington, D.C. Dulles Intl
Tue 11/3
5:17 pm-9:39 am
1 stop18h 22m
Bozeman Gallatin Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$215
Washington, D.C.Kalispell
IAD Washington, D.C. Dulles Intl - FCA Kalispell Glacier Park
IADFCA
Washington, D.C. Dulles Intl
Wed 9/30
6:10 am-1:25 pm
1 stop9h 15m
Kalispell Glacier Park
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$215
Washington, D.C.Kalispell
IAD Washington, D.C. Dulles Intl - FCA Kalispell Glacier Park
IADFCA
Washington, D.C. Dulles Intl
Sat 10/10
6:13 am-11:37 am
1 stop7h 24m
Kalispell Glacier Park
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$215
Washington, D.C.Bozeman
IAD Washington, D.C. Dulles Intl - BZN Bozeman Gallatin Field
IADBZN
Washington, D.C. Dulles Intl
Fri 11/20
6:39 pm-11:52 am
1 stop19h 13m
Bozeman Gallatin Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$225
Washington, D.C.Billings
IAD Washington, D.C. Dulles Intl - BIL Billings Logan Intl
IADBIL
Washington, D.C. Dulles Intl
Sat 10/10
4:12 pm-9:10 pm
1 stop6h 58m
Billings Logan Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$244
Washington, D.C.Missoula
IAD Washington, D.C. Dulles Intl - MSO Missoula Johnson-Bell Field
IADMSO
Washington, D.C. Dulles Intl
Thu 10/15
6:10 am-11:32 am
1 stop7h 22m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$265
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from Dulles Intl with our price prediction graph.
IAD-BIL
IAD-HLN
IAD-MSO
IAD-BZN
IAD-GTF
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 Washington, D.C. Dulles Intl Airport to Montana
IAD-USMT
IAD-BIL
IAD-HLN
IAD-MSO
IAD-BZN
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Montana?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Montana (average of $366). Flying from Washington, D.C. Dulles Intl Airport to Montana in December is currently the most expensive (average of $682). 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 IAD to MT?
Find hourly flight availability from Dulles Intl to Montana. 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.
When flying from Washington, D.C. Dulles Intl Airport to Montana, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Montana?
Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to Montana flights typically cost between $439 and $622 in October.The cheapest round-trip price found within the last 5 days was $389 on Delta (Oct 24-Oct 27).
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Montana?
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Montana may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Montana
Get insights into the airlines that provide service to Montana. 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 Montana. Reviews last updated September 15, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from Washington, D.C. Dulles Intl Airport to Montana to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
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Alternative routes for Dulles Intl to Montana
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Dulles Intl and Montana flights
Browse other Dulles Intl and Montana flight options. Last updated on September 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Dulles Intl to Montana flights
Consider these flights traveling from Dulles Intl to Montana.
Top 5 airlines flying from Dulles Intl to Montana
Discover the top 5 airlines that operate flights from Dulles Intl to Montana. 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$248 | Average$493 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$278 | Average$463 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$280 | Average$547 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$519 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$289 | Average$418 | FlexibilityNo cancel fee | On-timeN/A |