$138+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BZN
Nov 12 — Nov 191
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 October 13, 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 October 13, 2026.
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Fri 11/62:05 pm -
1 stop9h 33m
Sat 11/142:45 pm -
1 stop6h 30m
Deal found 10/9![United Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 10/12. 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.
Thu 11/512:30 pm -
2 stops12h 00m
Mon 11/91:21 pm -
1 stop8h 26m
Deal found 10/12![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Fri 11/64:10 pm -
1 stop8h 20m
Fri 11/132:42 pm -
1 stop6h 33m
Deal found 10/9![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 10/12. 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.
Thu 11/56:13 am -
1 stop8h 15m
Mon 11/91:07 pm -
1 stop8h 40m
Deal found 10/12![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 10/13. 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.
Fri 12/47:26 am -
2 stops12h 13m
Sat 12/126:19 pm -
2 stops12h 57m
Deal found 10/13![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 10/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:48 am -
2 stops10h 52m
Wed 11/181:23 pm -
1 stop8h 07m
Deal found 10/12![American Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 10/13. 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.
Sat 11/712:30 pm -
2 stops11h 55m
Sat 11/1412:58 pm -
2 stops8h 23m
Deal found 10/13![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 10/11. 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 11/56:11 am -
1 stop7h 34m
Thu 11/1212:48 pm -
1 stop6h 22m
Deal found 10/11![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 10/9. 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 11/16:13 am -
1 stop8h 25m
Sat 11/146:19 pm -
2 stops12h 50m
Deal found 10/9![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 10/9. 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.
Tue 12/157:00 am -
1 stop9h 35m
Tue 12/2211:59 am -
1 stop9h 54m
Deal found 10/9![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 10/10. 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 11/46:13 am -
1 stop8h 21m
Tue 11/101:19 pm -
1 stop8h 28m
Deal found 10/10![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 10/11. 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 11/66:13 am -
1 stop8h 15m
Fri 11/131:07 pm -
2 stops9h 34m
Deal found 10/11![Delta logo]()
$402
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 October 13, 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 October 13, 2026.
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Fri 11/62:05 pm -
1 stop9h 33m
Sat 11/142:45 pm -
1 stop6h 30m
Deal found 10/9![United Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 10/9. 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.
Fri 1/87:30 am -
2 stops12h 13m
Sat 1/161:10 pm -
1 stop8h 36m
Deal found 10/9![Delta logo]()
$374
This American Airlines deal was found by Cheapflights users on 10/8. 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 2/189:15 am -
2 stops12h 14m
Mon 2/221:37 pm -
1 stop7h 11m
Deal found 10/8![American Airlines logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 10/10. 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.
Sat 1/235:30 pm -
1 stop18h 21m
Mon 2/82:52 pm -
2 stops23h 35m
Deal found 10/10![Alaska Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/304:10 pm -
1 stop7h 28m
Sun 11/12:45 pm -
1 stop6h 30m
Deal found 10/8![United Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 10/13. 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.
Fri 12/47:26 am -
2 stops12h 13m
Sat 12/126:19 pm -
2 stops12h 57m
Deal found 10/13![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 10/8. 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 1/2110:36 am -
2 stops12h 34m
Sun 1/246:46 am -
2 stops9h 58m
Deal found 10/8![American Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 10/11. 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 11/66:13 am -
1 stop8h 15m
Sat 11/141:07 pm -
2 stops9h 34m
Deal found 10/11![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 10/11. 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 1/3012:43 pm -
1 stop7h 54m
Sat 2/69:45 am -
1 stop7h 51m
Deal found 10/11![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 10/9. 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.
Thu 1/77:05 am -
1 stop9h 28m
Tue 1/122:00 pm -
1 stop8h 20m
Deal found 10/9![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Fri 11/64:10 pm -
1 stop7h 37m
Mon 11/92:37 pm -
1 stop6h 38m
Deal found 10/12![United Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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.
Fri 11/137:46 am -
1 stop10h 44m
Sat 11/214:41 pm -
1 stop10h 59m
Deal found 10/9![Alaska Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 10/10. 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.
Mon 11/167:00 am -
1 stop7h 05m
Wed 12/21:31 pm -
1 stop8h 05m
Deal found 10/10![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/236:35 am -
1 stop9h 06m
Tue 10/276:30 am -
1 stop7h 14m
Deal found 10/8![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 10/10. 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 11/86:00 am -
1 stop9h 19m
Wed 12/21:31 pm -
1 stop8h 05m
Deal found 10/10![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 10/8. 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 1/217:05 am -
1 stop9h 28m
Sun 1/246:00 am -
1 stop5h 48m
Deal found 10/8![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Tue 10/275:20 pm -
1 stop7h 10m
Sat 10/3110:30 am -
1 stop7h 00m
Deal found 10/12![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 10/9. 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.
Tue 12/812:00 pm -
1 stop10h 02m
Fri 12/111:19 pm -
1 stop8h 28m
Deal found 10/9![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/11. 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 10/274:10 pm -
1 stop7h 41m
Sat 10/316:14 am -
1 stop7h 30m
Deal found 10/11![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 10/11. 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 1/307:15 am -
1 stop7h 21m
Sun 2/712:50 pm -
1 stop8h 56m
Deal found 10/11![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Thu 10/292:05 pm -
1 stop9h 42m
Mon 11/22:37 pm -
1 stop6h 36m
Deal found 10/13![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 10/9. 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.
Tue 12/156:00 am -
2 stops10h 35m
Tue 12/2211:59 am -
1 stop9h 54m
Deal found 10/9![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 10/10. 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 10/10![United Airlines logo]()
$488
This Delta deal was found by Cheapflights users on 10/12. 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.
Thu 1/710:05 am -
2 stops11h 43m
Mon 1/1112:58 pm -
1 stop8h 48m
Deal found 10/12![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 10/11. 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 11/1012:01 pm -
1 stop9h 56m
Tue 11/176:18 pm -
2 stops12h 51m
Deal found 10/11![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Thu 1/72:11 pm -
1 stop9h 04m
Mon 1/112:38 pm -
1 stop6h 48m
Deal found 10/9![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 10/9. 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 12/67:00 am -
1 stop7h 39m
Sat 12/126:25 pm -
2 stops12h 51m
Deal found 10/9![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Fri 11/64:10 pm -
1 stop8h 20m
Tue 11/105:00 am -
1 stop5h 55m
Deal found 10/9![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 10/9. 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.
Thu 11/56:05 am -
2 stops8h 29m
Fri 11/136:18 pm -
2 stops15h 00m
Deal found 10/9![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Wed 1/62:11 pm -
1 stop9h 21m
Sat 1/92:27 pm -
1 stop6h 59m
Deal found 10/9![United Airlines logo]()
$499
Last-minute flights from Dulles Intl to MontanaDiscover last-minute flight deals from Dulles Intl to Montana. Data last updated October 13, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Montana. Data last updated October 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/8. 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 10/3012:30 pm -
2 stops11h 59m
Sun 11/16:27 pm -
2 stops13h 43m
Deal found 10/8![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 10/9. 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 11/16:13 am -
1 stop8h 25m
Sat 11/146:19 pm -
2 stops12h 50m
Deal found 10/9![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 10/10. 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 11/46:13 am -
1 stop8h 21m
Tue 11/101:19 pm -
1 stop8h 28m
Deal found 10/10![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 10/12. 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.
Thu 11/512:30 pm -
2 stops12h 00m
Mon 11/91:21 pm -
1 stop8h 26m
Deal found 10/12![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 10/12. 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.
Thu 11/56:13 am -
1 stop8h 15m
Mon 11/91:07 pm -
1 stop8h 40m
Deal found 10/12![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/11. 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 11/56:11 am -
1 stop7h 34m
Thu 11/1212:48 pm -
1 stop6h 22m
Deal found 10/11![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Fri 11/62:05 pm -
1 stop9h 33m
Sat 11/142:45 pm -
1 stop6h 30m
Deal found 10/9![United Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Fri 11/64:10 pm -
1 stop8h 20m
Fri 11/132:42 pm -
1 stop6h 33m
Deal found 10/9![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 10/11. 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 11/66:13 am -
1 stop8h 15m
Fri 11/131:07 pm -
2 stops9h 34m
Deal found 10/11![Delta logo]()
$402
This American Airlines deal was found by Cheapflights users on 10/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:48 am -
2 stops10h 52m
Wed 11/181:23 pm -
1 stop8h 07m
Deal found 10/12![American Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 10/13. 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.
Sat 11/1411:10 am -
2 stops10h 27m
Wed 11/185:35 am -
2 stops12h 35m
Deal found 10/13![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 10/12. 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.
Mon 11/166:58 pm -
1 stop7h 01m
Thu 12/32:41 pm -
1 stop8h 00m
Deal found 10/12![Delta logo]()
$399
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 October 13, 2026.
Search for one-way flight options from Dulles Intl to Montana. Find affordable one-way fares based on user searches. Data last updated October 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 11/1812:31 pm -
2 stops23h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:06 pm -
3 stops47h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:06 pm -
2 stops23h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 10/11. 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 11/36:07 pm -
3 stops40h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$172
This Priceline deal was found by Cheapflights users on 10/10. 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.
Wed 11/47:46 am -
1 stop8h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Alaska Airlines logo]()
$200
This United Airlines deal was found by Cheapflights users on 10/11. 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 1/3012:43 pm -
1 stop7h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![United Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 11/186:07 pm -
3 stops42h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:07 pm -
2 stops16h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$202
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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 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 10/12![Alaska Airlines logo]()
$205
This Delta deal was found by Cheapflights users on 10/9. 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.
Fri 12/115:14 pm -
2 stops9h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Delta logo]()
$205
This Delta deal was found by Cheapflights users on 10/8. 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 11/1812:32 pm -
2 stops9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Delta logo]()
$206
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Fri 11/136:10 am -
1 stop9h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![United Airlines logo]()
$208
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 October 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $368 (Delta) |
One-way from | $138 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $518 |
Good one-way deal | $523 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 October 13, 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.Kalispell
IAD Washington, D.C. Dulles Intl - FCA Kalispell Glacier Park
IADFCA
Washington, D.C. Dulles Intl
Tue 12/1
12:06 pm-9:28 am
3 stops47h 22m
Kalispell Glacier Park
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$145
Washington, D.C.Missoula
IAD Washington, D.C. Dulles Intl - MSO Missoula Johnson-Bell Field
IADMSO
Washington, D.C. Dulles Intl
Sat 1/30
12:43 pm-6:37 pm
1 stop7h 54m
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
Fri 12/11
5:14 pm-12:37 am
2 stops9h 23m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$205
Washington, D.C.Missoula
IAD Washington, D.C. Dulles Intl - MSO Missoula Johnson-Bell Field
IADMSO
Washington, D.C. Dulles Intl
Mon 1/4
6:45 am-1:33 pm
1 stop8h 48m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$205
Washington, D.C.Billings
IAD Washington, D.C. Dulles Intl - BIL Billings Logan Intl
IADBIL
Washington, D.C. Dulles Intl
Wed 11/18
12:32 pm-7:37 pm
2 stops9h 05m
Billings Logan Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$206
Washington, D.C.Great Falls
IAD Washington, D.C. Dulles Intl - GTF Great Falls
IADGTF
Washington, D.C. Dulles Intl
Fri 11/13
6:10 am-1:49 pm
1 stop9h 39m
Great Falls
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$208
Washington, D.C.Great Falls
IAD Washington, D.C. Dulles Intl - GTF Great Falls
IADGTF
Washington, D.C. Dulles Intl
Fri 11/13
10:11 am-10:30 pm
2 stops14h 19m
Great Falls
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$214
Quickest round-trip
Washington, D.C.Kalispell
IAD Washington, D.C. Dulles Intl - FCA Kalispell Glacier Park
IADFCA
Washington, D.C. Dulles Intl
Thu 1/7
7:30 am-12:29 pm
1 stop6h 59m
Kalispell Glacier Park
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$225
Washington, D.C.Kalispell
IAD Washington, D.C. Dulles Intl - FCA Kalispell Glacier Park
IADFCA
Washington, D.C. Dulles Intl
Fri 11/13
7:25 am-2:40 pm
1 stop9h 15m
Kalispell Glacier Park
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$225
Washington, D.C.Bozeman
IAD Washington, D.C. Dulles Intl - BZN Bozeman Gallatin Field
IADBZN
Washington, D.C. Dulles Intl
Fri 11/13
7:46 am-2:14 pm
1 stop8h 28m
Bozeman Gallatin Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$230
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-GTF
IAD-BIL
IAD-HLN
IAD-BZN
IAD-MSO
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-GTF
IAD-BIL
IAD-HLN
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 $417). Flying from Washington, D.C. Dulles Intl Airport to Montana in December is currently the most expensive (average of $694). 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.
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 $398 and $460 in January.The cheapest round-trip price found within the last 5 days was $385 on United Airlines (Jan 9-Jan 13).
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 17 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 October 13, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, 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.
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Related info for your journey
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Dulles Intl and Montana flights
Browse other Dulles Intl and Montana flight options. Last updated on October 13, 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 October 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$493 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$276 | Average$526 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$278 | Average$463 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$288 | Average$519 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$289 | Average$426 | FlexibilityNo cancel fee | On-timeN/A |