$114+ Cheap flights from Dulles Intl (IAD) to Montana
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BZN
Apr 15 — Apr 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 March 16, 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 March 16, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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.
Sun 11/85:38 pm
IAD
- FCA
1 stop8h 21m
Alaska Airlines
Sun 11/152:10 pm
FCA
- IAD
1 stop7h 49m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 3/12. 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 4/92:15 pm
IAD
- BZN
1 stop7h 59m
Delta
Thu 4/162:53 pm
BZN
- IAD
1 stop7h 49m
Delta
Deal found 3/12![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 3/12. 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 5/52:37 pm
IAD
- GTF
1 stop8h 41m
United Airlines
Tue 5/192:35 pm
GTF
- IAD
1 stop6h 59m
United Airlines
Deal found 3/12![United Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 3/14. 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 4/156:00 am
IAD
- FCA
1 stop9h 54m
Delta
Wed 4/222:49 pm
FCA
- IAD
1 stop6h 43m
Delta
Deal found 3/14![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 3/13. 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 4/117:00 am
IAD
- BZN
1 stop9h 36m
Delta
Sat 4/182:53 pm
BZN
- IAD
1 stop7h 34m
Delta
Deal found 3/13![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 3/14. 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.
Sat 8/225:15 pm
IAD
- FCA
2 stops8h 31m
Delta
Tue 8/256:59 am
FCA
- IAD
1 stop8h 59m
Delta
Deal found 3/14![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 3/11. 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 5/306:30 am
IAD
- BZN
1 stop8h 50m
United Airlines
Sat 6/610:20 am
BZN
- IAD
Nonstop4h 08m
United Airlines
Deal found 3/11![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/112:21 pm
IAD
- BIL
1 stop8h 36m
United Airlines
Sat 4/182:35 pm
BIL
- IAD
1 stop6h 59m
United Airlines
Deal found 3/13![United Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Wed 8/261:20 pm
IAD
- BZN
1 stop7h 03m
United Airlines
Wed 9/212:30 pm
BZN
- IAD
1 stop6h 52m
United Airlines
Deal found 3/11![United Airlines logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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 4/287:10 am
IAD
- BZN
1 stop14h 09m
Alaska Airlines
Wed 4/297:59 pm
BZN
- IAD
1 stop7h 51m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 3/11. 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 4/112:21 pm
IAD
- GTF
1 stop8h 56m
United Airlines
Sat 4/182:30 pm
GTF
- IAD
1 stop7h 04m
United Airlines
Deal found 3/11![United Airlines logo]()
$326
This CheapOair deal was found by Cheapflights users on 3/11. 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.
Fri 4/247:10 am
IAD
- BZN
1 stop9h 45m
Alaska Airlines
Mon 4/277:59 pm
BZN
- IAD
1 stop26h 10m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$327
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 March 16, 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 March 16, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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 4/287:10 am
IAD
- BZN
1 stop14h 09m
Alaska Airlines
Wed 4/297:59 pm
BZN
- IAD
1 stop7h 51m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 3/11. 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 4/112:21 pm
IAD
- GTF
1 stop8h 56m
United Airlines
Sat 4/182:30 pm
GTF
- IAD
1 stop7h 04m
United Airlines
Deal found 3/11![United Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 3/12. 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.
Tue 6/26:00 am
IAD
- BZN
2 stops8h 17m
Delta
Sat 6/61:45 pm
BZN
- IAD
1 stop7h 54m
Delta
Deal found 3/12![Delta logo]()
$338
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:15 am
IAD
- BZN
2 stops21h 55m
Southwest
Fri 6/122:50 pm
BZN
- IAD
1 stop7h 40m
Southwest
Deal found 3/12![Southwest logo]()
$475
This United Airlines deal was found by Cheapflights users on 3/11. 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 5/306:30 am
IAD
- WYS
1 stop9h 02m
United Airlines
Fri 6/52:19 pm
WYS
- IAD
1 stop8h 26m
United Airlines
Deal found 3/11![United Airlines logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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 4/147:00 am
IAD
- HLN
1 stop12h 45m
Alaska Airlines
Sat 4/186:22 pm
HLN
- IAD
1 stop9h 18m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 3/11. 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 8/295:15 pm
IAD
- MSO
2 stops8h 32m
Delta
Wed 9/93:27 pm
MSO
- IAD
1 stop6h 02m
Delta
Deal found 3/11![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Fri 8/216:15 am
IAD
- FCA
1 stop7h 11m
United Airlines
Thu 8/272:29 pm
FCA
- IAD
1 stop8h 11m
United Airlines
Deal found 3/14![United Airlines logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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.
Sat 8/295:38 pm
IAD
- MSO
1 stop8h 41m
Alaska Airlines
Wed 9/96:36 pm
MSO
- IAD
1 stop10h 52m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Fri 9/112:43 pm
IAD
- GTF
1 stop8h 45m
United Airlines
Fri 9/182:31 pm
GTF
- IAD
1 stop8h 09m
United Airlines
Deal found 3/13![United Airlines logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 5/57:10 am
IAD
- FCA
1 stop30h 53m
Alaska Airlines
Sat 5/96:35 am
FCA
- IAD
1 stop15h 34m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$365
This Delta deal was found by Cheapflights users on 3/12. 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 8/295:15 pm
IAD
- BIL
2 stops7h 22m
Delta
Wed 9/96:15 am
BIL
- IAD
1 stop5h 13m
Delta
Deal found 3/12![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 3/15. 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 9/58:15 am
IAD
- BZN
Nonstop4h 30m
United Airlines
Sat 9/124:22 pm
BZN
- IAD
1 stop6h 18m
United Airlines
Deal found 3/15![United Airlines logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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 4/147:00 am
IAD
- BIL
1 stop30h 54m
Alaska Airlines
Sat 4/182:05 pm
BIL
- IAD
1 stop13h 35m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 3/11. 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 5/302:35 pm
IAD
- BIL
1 stop8h 07m
United Airlines
Sat 6/62:25 pm
BIL
- IAD
1 stop7h 07m
United Airlines
Deal found 3/11![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/225:15 am
IAD
- BZN
1 stop6h 20m
Southwest
Mon 6/294:30 pm
BZN
- IAD
1 stop6h 00m
Southwest
Deal found 3/12![Southwest logo]()
$525
This Delta deal was found by Cheapflights users on 3/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:15 pm
IAD
- MSO
2 stops9h 09m
Delta
Sat 8/226:10 pm
MSO
- IAD
2 stops13h 00m
Delta
Deal found 3/15![Delta logo]()
$457
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Wed 5/272:35 pm
IAD
- MSO
1 stop8h 59m
United Airlines
Sat 5/302:26 pm
MSO
- IAD
1 stop8h 19m
United Airlines
Deal found 3/11![United Airlines logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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.
Wed 4/157:00 am
IAD
- GTF
1 stop11h 26m
Alaska Airlines
Sat 4/185:06 pm
GTF
- IAD
1 stop10h 34m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 3/11. 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 9/127:15 am
IAD
- GTF
1 stop7h 08m
Delta
Fri 9/186:20 pm
GTF
- IAD
2 stops13h 30m
Delta
Deal found 3/11![Delta logo]()
$484
This United Airlines deal was found by Cheapflights users on 3/11. 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 5/235:38 pm
IAD
- BIL
1 stop6h 37m
United Airlines
Tue 5/264:10 pm
BIL
- IAD
1 stop6h 35m
United Airlines
Deal found 3/11![United Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:20 pm
IAD
- BZN
1 stop17h 23m
Alaska Airlines
Sun 5/37:59 pm
BZN
- IAD
1 stop7h 51m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 3/16. 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 9/127:15 am
IAD
- HLN
1 stop7h 08m
Delta
Tue 9/2212:50 pm
HLN
- IAD
1 stop9h 01m
Delta
Deal found 3/16![Delta logo]()
$494
This United Airlines deal was found by Cheapflights users on 3/11. 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 5/52:37 pm
IAD
- FCA
1 stop9h 20m
United Airlines
Sat 5/92:33 pm
FCA
- IAD
1 stop7h 01m
United Airlines
Deal found 3/11![United Airlines logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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 4/247:10 am
IAD
- BIL
1 stop17h 49m
Alaska Airlines
Tue 4/287:00 am
BIL
- IAD
1 stop15h 09m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 3/11. 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 5/3011:15 am
IAD
- BZN
2 stops12h 47m
Delta
Fri 6/55:35 am
BZN
- IAD
2 stops10h 39m
Delta
Deal found 3/11![Delta logo]()
$517
This United Airlines deal was found by Cheapflights users on 3/11. 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 8/2210:13 am
IAD
- FCA
1 stop7h 40m
United Airlines
Sat 8/292:29 pm
FCA
- IAD
1 stop8h 11m
United Airlines
Deal found 3/11![United Airlines logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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.
Fri 4/247:20 pm
IAD
- FCA
1 stop18h 43m
Alaska Airlines
Mon 4/277:28 pm
FCA
- IAD
1 stop8h 22m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 3/16. 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 9/127:15 am
IAD
- GTF
1 stop7h 08m
Delta
Wed 9/231:10 pm
GTF
- IAD
2 stops18h 52m
Delta
Deal found 3/16![Delta logo]()
$518
This United Airlines deal was found by Cheapflights users on 3/11. 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 8/2910:13 am
IAD
- WYS
1 stop7h 54m
United Airlines
Wed 9/22:02 pm
WYS
- IAD
1 stop7h 22m
United Airlines
Deal found 3/11![United Airlines logo]()
$424
Last-minute flights from Dulles Intl to MontanaDiscover last-minute flight deals from Dulles Intl to Montana. Data last updated March 16, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Montana. Data last updated March 16, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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.
Thu 4/27:00 am
IAD
- BZN
1 stop9h 10m
Alaska Airlines
Thu 4/163:04 pm
BZN
- IAD
1 stop12h 36m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 3/12. 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 4/92:15 pm
IAD
- BZN
1 stop7h 59m
Delta
Thu 4/162:53 pm
BZN
- IAD
1 stop7h 49m
Delta
Deal found 3/12![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 3/13. 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 4/117:00 am
IAD
- BZN
1 stop9h 36m
Delta
Sat 4/182:53 pm
BZN
- IAD
1 stop7h 34m
Delta
Deal found 3/13![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/112:21 pm
IAD
- BIL
1 stop8h 36m
United Airlines
Sat 4/182:35 pm
BIL
- IAD
1 stop6h 59m
United Airlines
Deal found 3/13![United Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 3/11. 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 4/112:21 pm
IAD
- GTF
1 stop8h 56m
United Airlines
Sat 4/182:30 pm
GTF
- IAD
1 stop7h 04m
United Airlines
Deal found 3/11![United Airlines logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 4/147:11 pm
IAD
- FCA
1 stop19h 01m
Alaska Airlines
Tue 4/218:26 pm
FCA
- IAD
1 stop7h 14m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 3/14. 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.
Tue 4/146:00 am
IAD
- FCA
1 stop9h 54m
Delta
Tue 4/212:49 pm
FCA
- IAD
1 stop6h 43m
Delta
Deal found 3/14![Delta logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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 4/147:00 am
IAD
- HLN
1 stop12h 45m
Alaska Airlines
Sat 4/186:22 pm
HLN
- IAD
1 stop9h 18m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 3/14. 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 4/156:00 am
IAD
- FCA
1 stop9h 54m
Delta
Wed 4/222:49 pm
FCA
- IAD
1 stop6h 43m
Delta
Deal found 3/14![Delta logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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 4/157:00 am
IAD
- GTF
1 stop11h 26m
Alaska Airlines
Sat 4/185:06 pm
GTF
- IAD
1 stop10h 34m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$337
This CheapOair deal was found by Cheapflights users on 3/11. 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.
Fri 4/247:10 am
IAD
- BZN
1 stop9h 45m
Alaska Airlines
Mon 4/277:59 pm
BZN
- IAD
1 stop26h 10m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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 4/287:10 am
IAD
- BZN
1 stop14h 09m
Alaska Airlines
Wed 4/297:59 pm
BZN
- IAD
1 stop7h 51m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$325
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 March 16, 2026.
Search for one-way flight options from Dulles Intl to Montana. Find affordable one-way fares based on user searches. Data last updated March 16, 2026.
This Delta deal was found by Cheapflights users on 3/12. 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.
Tue 4/147:06 am
IAD
- BZN
1 stop8h 30m
Delta
Deal found 3/12![Delta logo]()
$114
This Delta deal was found by Cheapflights users on 3/12. 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 4/116:00 am
IAD
- BZN
2 stops9h 35m
Delta
Deal found 3/12![Delta logo]()
$119
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Sun 5/246:18 am
IAD
- FCA
1 stop10h 42m
American Airlines
Deal found 3/11![American Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/157:00 am
IAD
- BZN
2 stops28h 35m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 3/11. 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 9/51:00 pm
IAD
- FCA
2 stops12h 46m
Delta
Deal found 3/11![Delta logo]()
$150
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Wed 4/152:21 pm
IAD
- GTF
1 stop8h 56m
United Airlines
Deal found 3/12![United Airlines logo]()
$153
This United Airlines deal was found by Cheapflights users on 3/14. 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 8/2212:35 pm
IAD
- FCA
1 stop9h 17m
United Airlines
Deal found 3/14![United Airlines logo]()
$155
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/112:21 pm
IAD
- BIL
1 stop8h 36m
United Airlines
Deal found 3/13![United Airlines logo]()
$159
This Delta deal was found by Cheapflights users on 3/14. 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.
Sat 8/225:15 pm
IAD
- FCA
2 stops8h 31m
Delta
Deal found 3/14![Delta logo]()
$160
This United Airlines deal was found by Cheapflights users on 3/15. 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 7/46:30 am
IAD
- GTF
1 stop9h 11m
United Airlines
Deal found 3/15![United Airlines logo]()
$163
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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 4/157:00 am
IAD
- BIL
1 stop18h 58m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$164
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:55 am
IAD
- BZN
1 stop6h 20m
Southwest
Deal found 3/12![Southwest logo]()
$165
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 March 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $303 (Delta) |
One-way from | $114 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $468 |
Good round-trip deal | $555 or less |
Good one-way deal | $283 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 2,558,603 searches. Data last updated March 16, 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.Bozeman
IAD - BZN
IADBZN
Washington, D.C. Dulles Intl
Tue 4/28
7:10 am-7:19 pm
1 stop14h 09m
Bozeman Gallatin Field
Wed 4/29
7:59 pm-5:50 am
1 stop7h 51m
$325
Washington, D.C.Great Falls
IAD - GTF
IADGTF
Washington, D.C. Dulles Intl
Sat 4/11
2:21 pm-9:17 pm
1 stop8h 56m
Great Falls
Sat 4/18
2:30 pm-11:34 pm
1 stop7h 04m
$326
Washington, D.C.West Yellowstone
IAD - WYS
IADWYS
Washington, D.C. Dulles Intl
Sat 5/30
6:30 am-1:32 pm
1 stop9h 02m
West Yellowstone
Fri 6/5
2:19 pm-12:45 am
1 stop8h 26m
$334
Washington, D.C.Kalispell
IAD - FCA
IADFCA
Washington, D.C. Dulles Intl
Fri 8/21
6:15 am-11:26 am
1 stop7h 11m
Kalispell Glacier Park
Thu 8/27
2:29 pm-12:40 am
1 stop8h 11m
$337
Washington, D.C.Bozeman
IAD - BZN
IADBZN
Washington, D.C. Dulles Intl
Tue 6/2
6:00 am-12:17 pm
2 stops8h 17m
Bozeman Gallatin Field
Sat 6/6
1:45 pm-11:39 pm
1 stop7h 54m
$338
Washington, D.C.Great Falls
IAD - GTF
IADGTF
Washington, D.C. Dulles Intl
Fri 9/11
2:43 pm-9:28 pm
1 stop8h 45m
Great Falls
Fri 9/18
2:31 pm-12:40 am
1 stop8h 09m
$338
Quickest round-trip
Washington, D.C.Bozeman
IAD - BZN
IADBZN
Washington, D.C. Dulles Intl
Sat 9/5
8:15 am-10:45 am
Nonstop4h 30m
Bozeman Gallatin Field
Sat 9/12
4:22 pm-12:40 am
1 stop6h 18m
$339
Washington, D.C.Helena
IAD - HLN
IADHLN
Washington, D.C. Dulles Intl
Tue 4/14
7:00 am-5:45 pm
1 stop12h 45m
Helena
Sat 4/18
6:22 pm-5:40 am
1 stop9h 18m
$345
Washington, D.C.Missoula
IAD - MSO
IADMSO
Washington, D.C. Dulles Intl
Sat 8/29
5:38 pm-12:19 am
1 stop8h 41m
Missoula Johnson-Bell Field
Wed 9/9
6:36 pm-7:28 am
1 stop10h 52m
$349
Washington, D.C.Billings
IAD - BIL
IADBIL
Washington, D.C. Dulles Intl
Sat 5/30
2:35 pm-8:42 pm
1 stop8h 07m
Billings Logan Intl
Sat 6/6
2:25 pm-11:32 pm
1 stop7h 07m
$349
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-BZN
IAD-FCA
IAD-BIL
IAD-GTF
IAD-HLN
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-BZN
IAD-FCA
IAD-BIL
IAD-GTF
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Montana?
Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Montana (average of $196). Flying from Washington, D.C. Dulles Intl Airport to Montana in March is currently the most expensive (average of $333). 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 March 16, 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.
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 March 16, 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
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Dulles Intl and Montana flights
Browse other Dulles Intl and Montana flight options. Last updated on March 16, 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 2,558,603 searches. Data last updated March 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$473 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$242 | Average$374 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$280 | Average$539 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$358 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$523 | FlexibilityNo cancel fee | On-time75% |