$122+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BZN
Apr 1 — Apr 81
1 adult, Economy
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Find cheap flights from Dulles Intl to Montana with Cheapflights
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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 2, 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 2, 2026.
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/176:00 am
IAD
- FCA
1 stop9h 54m
Delta
Sat 4/252:16 pm
FCA
- IAD
1 stop7h 16m
Delta
Deal found 2/28![Delta logo]()
$249
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 4/87:00 am
IAD
- BZN
1 stop9h 36m
Delta
Thu 4/162:53 pm
BZN
- IAD
1 stop7h 49m
Delta
Deal found 3/1![Delta logo]()
$277
This American Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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.
Tue 4/217:00 am
IAD
- BIL
1 stop8h 21m
American Airlines
Sat 4/251:51 pm
BIL
- IAD
1 stop7h 35m
American Airlines
Deal found 2/27![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/286:00 am
IAD
- FCA
1 stop9h 54m
Delta
Mon 5/42:49 pm
FCA
- IAD
1 stop6h 43m
Delta
Deal found 2/26![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/87:00 am
IAD
- BZN
1 stop9h 36m
Delta
Sat 4/181:45 pm
BZN
- IAD
2 stops7h 18m
Delta
Deal found 2/28![Delta logo]()
$282
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 9/210:13 am
IAD
- FCA
1 stop7h 40m
United Airlines
Wed 9/94:08 pm
FCA
- IAD
1 stop6h 36m
United Airlines
Deal found 3/1![United Airlines logo]()
$282
This United Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Sun 5/36:15 am
IAD
- BZN
1 stop7h 11m
United Airlines
Sat 5/912:35 pm
BZN
- IAD
1 stop6h 43m
United Airlines
Deal found 2/26![United Airlines logo]()
$284
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 8/248:16 am
IAD
- FCA
2 stops9h 37m
United Airlines
Fri 8/284:08 pm
FCA
- IAD
1 stop6h 36m
United Airlines
Deal found 3/1![United Airlines logo]()
$288
This United Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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
- BZN
1 stop8h 39m
United Airlines
Sat 6/64:18 pm
BZN
- IAD
1 stop6h 27m
United Airlines
Deal found 2/27![United Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/239:19 am
IAD
- BZN
2 stops14h 19m
American Airlines
Tue 4/141:43 pm
BZN
- IAD
1 stop7h 43m
American Airlines
Deal found 2/26![American Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 8/136:15 am
IAD
- FCA
1 stop7h 11m
United Airlines
Tue 8/184:08 pm
FCA
- IAD
1 stop6h 36m
United Airlines
Deal found 2/28![United Airlines logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/57:00 am
IAD
- BZN
1 stop18h 57m
Alaska Airlines
Thu 4/167:26 pm
BZN
- IAD
1 stop8h 14m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$297
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 2, 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 2, 2026.
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 4/217:00 am
IAD
- BZN
1 stop9h 35m
Delta
Mon 4/272:53 pm
BZN
- IAD
1 stop7h 49m
Delta
Deal found 3/1![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 8/299:00 am
IAD
- MSO
1 stop10h 56m
Alaska Airlines
Wed 9/96:35 am
MSO
- IAD
1 stop7h 51m
Alaska Airlines
Deal found 2/27![Alaska Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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.
Tue 8/251:18 pm
IAD
- MSO
2 stops12h 10m
American Airlines
Tue 9/13:55 pm
MSO
- IAD
1 stop11h 05m
American Airlines
Deal found 3/2![American Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/164:00 pm
IAD
- MSO
1 stop7h 30m
United Airlines
Sat 4/252:38 pm
MSO
- IAD
1 stop6h 56m
United Airlines
Deal found 2/27![United Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 4/257:00 am
IAD
- BZN
1 stop9h 35m
Delta
Wed 4/292:53 pm
BZN
- IAD
1 stop7h 49m
Delta
Deal found 3/1![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/87:00 am
IAD
- BZN
1 stop9h 36m
Delta
Sat 4/181:45 pm
BZN
- IAD
2 stops7h 18m
Delta
Deal found 2/28![Delta logo]()
$282
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 6/106:30 am
IAD
- MSO
1 stop8h 54m
United Airlines
Wed 7/12:25 pm
MSO
- IAD
1 stop8h 20m
United Airlines
Deal found 3/1![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 4/256:00 am
IAD
- BZN
2 stops8h 34m
Delta
Tue 4/281:45 pm
BZN
- IAD
2 stops8h 57m
Delta
Deal found 3/1![Delta logo]()
$300
This Alaska Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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.
Mon 4/67:11 pm
IAD
- BZN
1 stop30h 46m
Alaska Airlines
Thu 4/97:00 am
BZN
- IAD
1 stop20h 40m
Alaska Airlines
Deal found 2/27![Alaska Airlines logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 8/156:14 pm
IAD
- MSO
1 stop18h 28m
Alaska Airlines
Wed 8/196:35 am
MSO
- IAD
1 stop7h 51m
Alaska Airlines
Deal found 3/1![Alaska Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 8/187:25 am
IAD
- HLN
1 stop6h 58m
Delta
Tue 8/2512:50 pm
HLN
- IAD
1 stop9h 01m
Delta
Deal found 2/27![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 5/233:56 pm
IAD
- GTF
1 stop7h 38m
United Airlines
Sat 5/302:37 pm
GTF
- IAD
1 stop8h 08m
United Airlines
Deal found 2/26![United Airlines logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/77:00 am
IAD
- BZN
1 stop18h 57m
Alaska Airlines
Sat 4/117:00 am
BZN
- IAD
1 stop20h 40m
Alaska Airlines
Deal found 2/27![Alaska Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 8/126:30 am
IAD
- FCA
1 stop9h 03m
United Airlines
Wed 8/124:08 pm
FCA
- IAD
1 stop6h 36m
United Airlines
Deal found 3/1![United Airlines logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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
- MSO
1 stop9h 49m
Alaska Airlines
Fri 5/13:55 pm
MSO
- IAD
1 stop11h 55m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/76:00 am
IAD
- FCA
2 stops9h 28m
Delta
Tue 4/142:49 pm
FCA
- IAD
1 stop6h 43m
Delta
Deal found 2/28![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 5/232:35 pm
IAD
- BIL
1 stop8h 07m
United Airlines
Sat 5/302:25 pm
BIL
- IAD
1 stop8h 20m
United Airlines
Deal found 2/27![United Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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
- BIL
1 stop29h 39m
Alaska Airlines
Tue 4/287:00 am
BIL
- IAD
1 stop15h 09m
Alaska Airlines
Deal found 2/28![Alaska Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 6/22:35 pm
IAD
- HLN
1 stop8h 45m
United Airlines
Wed 6/102:20 pm
HLN
- IAD
1 stop8h 25m
United Airlines
Deal found 3/1![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 8/294:00 pm
IAD
- MSO
2 stops10h 24m
Delta
Wed 9/96:10 pm
MSO
- IAD
2 stops13h 00m
Delta
Deal found 2/27![Delta logo]()
$370
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Mon 4/206:22 pm
IAD
- BIL
2 stops31h 36m
Alaska Airlines
Fri 4/247:00 am
BIL
- IAD
1 stop9h 20m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 8/156:30 am
IAD
- FCA
1 stop10h 51m
United Airlines
Wed 8/194:08 pm
FCA
- IAD
1 stop6h 36m
United Airlines
Deal found 2/28![United Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 8/236:40 pm
IAD
- MSO
1 stop7h 07m
Delta
Tue 8/256:10 pm
MSO
- IAD
2 stops13h 00m
Delta
Deal found 2/28![Delta logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 8/299:00 am
IAD
- FCA
2 stops30h 20m
Alaska Airlines
Sat 9/58:00 pm
FCA
- IAD
1 stop9h 28m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 4/287:00 am
IAD
- MSO
2 stops12h 38m
Delta
Fri 5/15:20 am
MSO
- IAD
2 stops10h 37m
Delta
Deal found 3/1![Delta logo]()
$412
This Alaska Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 5/76:47 pm
IAD
- BZN
2 stops26h 32m
Alaska Airlines
Mon 5/117:59 pm
BZN
- IAD
1 stop7h 51m
Alaska Airlines
Deal found 2/28![Alaska Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 3/66:15 am
IAD
- BZN
1 stop7h 25m
United Airlines
Fri 3/2011:49 am
BZN
- IAD
1 stop9h 30m
United Airlines
Deal found 2/26![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 8/272:43 pm
IAD
- HLN
1 stop8h 33m
United Airlines
Tue 9/12:29 pm
HLN
- IAD
1 stop6h 55m
United Airlines
Deal found 3/1![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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
- HLN
2 stops8h 23m
Delta
Sat 6/61:03 pm
HLN
- IAD
1 stop8h 29m
Delta
Deal found 3/1![Delta logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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
- BIL
1 stop29h 39m
Alaska Airlines
Mon 4/272:06 pm
BIL
- IAD
1 stop13h 44m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$450
Last-minute flights from Dulles Intl to MontanaDiscover last-minute flight deals from Dulles Intl to Montana. Data last updated March 2, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Montana. Data last updated March 2, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 3/138:20 am
IAD
- GTF
1 stop7h 13m
United Airlines
Tue 3/172:30 pm
GTF
- IAD
1 stop6h 50m
United Airlines
Deal found 2/26![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/172:15 pm
IAD
- BIL
1 stop8h 04m
Delta
Mon 3/236:21 pm
BIL
- IAD
2 stops12h 49m
Delta
Deal found 2/26![Delta logo]()
$324
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 3/185:26 pm
IAD
- BZN
1 stop6h 46m
United Airlines
Wed 3/252:43 pm
BZN
- IAD
1 stop6h 37m
United Airlines
Deal found 2/28![United Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 3/185:00 am
IAD
- BZN
2 stops9h 57m
American Airlines
Wed 3/251:47 pm
BZN
- IAD
1 stop7h 06m
American Airlines
Deal found 2/28![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:00 am
IAD
- BZN
1 stop10h 46m
American Airlines
Tue 4/141:43 pm
BZN
- IAD
1 stop7h 43m
American Airlines
Deal found 2/26![American Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/239:19 am
IAD
- BZN
2 stops14h 19m
American Airlines
Tue 4/211:43 pm
BZN
- IAD
1 stop7h 43m
American Airlines
Deal found 2/26![American Airlines logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Mon 3/237:00 am
IAD
- BZN
1 stop18h 57m
Alaska Airlines
Mon 4/137:26 pm
BZN
- IAD
1 stop8h 14m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 3/232:15 pm
IAD
- BZN
1 stop7h 59m
Delta
Mon 4/207:18 am
BZN
- IAD
1 stop14h 37m
Delta
Deal found 2/26![Delta logo]()
$332
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 3/232:15 pm
IAD
- BZN
1 stop7h 59m
Delta
Wed 4/152:53 pm
BZN
- IAD
1 stop7h 49m
Delta
Deal found 2/26![Delta logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Mon 3/237:00 am
IAD
- BZN
1 stop18h 57m
Alaska Airlines
Wed 4/151:50 pm
BZN
- IAD
2 stops13h 50m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Mon 3/237:11 pm
IAD
- BZN
1 stop30h 46m
Alaska Airlines
Sun 4/127:00 am
BZN
- IAD
1 stop20h 40m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 3/247:00 am
IAD
- GTF
1 stop11h 26m
Alaska Airlines
Wed 3/255:06 pm
GTF
- IAD
1 stop10h 34m
Alaska Airlines
Deal found 2/28![Alaska Airlines logo]()
$311
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 2, 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 2, 2026.
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/87:00 am
IAD
- BZN
1 stop9h 36m
Delta
Deal found 2/26![Delta logo]()
$122
This Southwest deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Wed 4/86:20 am
IAD
- BZN
1 stop6h 20m
Southwest
Deal found 2/26![Southwest logo]()
$133
This United Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/62:21 pm
IAD
- MSO
1 stop9h 09m
United Airlines
Deal found 2/27![United Airlines logo]()
$149
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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
- BZN
2 stops8h 34m
Delta
Deal found 2/27![Delta logo]()
$150
This United Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/42:21 pm
IAD
- HLN
1 stop9h 12m
United Airlines
Deal found 2/27![United Airlines logo]()
$155
This American Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Tue 6/306:10 am
IAD
- MSO
1 stop12h 03m
American Airlines
Deal found 2/26![American Airlines logo]()
$155
This CheapOair deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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.
Sun 4/57:00 am
IAD
- BZN
1 stop18h 57m
Alaska Airlines
Deal found 2/28![Alaska Airlines logo]()
$158
This CheapOair deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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.
Tue 3/177:05 am
IAD
- BZN
1 stop9h 03m
Alaska Airlines
Deal found 3/1![Alaska Airlines logo]()
$180
This Alaska Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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
- MSO
1 stop10h 35m
Alaska Airlines
Deal found 2/28![Alaska Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 3/186:20 am
IAD
- FCA
3 stops29h 48m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$184
This Expedia deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:00 am
IAD
- HLN
1 stop12h 45m
Alaska Airlines
Deal found 2/27![Alaska Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 4/88:30 pm
IAD
- BZN
2 stops39h 15m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$192
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 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (Delta) |
One-way from | $122 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $440 |
Good round-trip deal | $388 or less |
Good one-way deal | $307 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 2, 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
Washington, D.C.Bozeman
IAD - BZN
IADBZN
Washington, D.C. Dulles Intl
Tue 4/21
7:00 am-2:35 pm
1 stop9h 35m
Bozeman Gallatin Field
Mon 4/27
2:53 pm-12:42 am
1 stop7h 49m
$277
Washington, D.C.Bozeman
IAD - BZN
IADBZN
Washington, D.C. Dulles Intl
Sat 4/25
7:00 am-2:35 pm
1 stop9h 35m
Bozeman Gallatin Field
Wed 4/29
2:53 pm-12:42 am
1 stop7h 49m
$277
Washington, D.C.Bozeman
IAD - BZN
IADBZN
Washington, D.C. Dulles Intl
Wed 4/8
7:00 am-2:36 pm
1 stop9h 36m
Bozeman Gallatin Field
Sat 4/18
1:45 pm-11:03 pm
2 stops7h 18m
$282
Washington, D.C.Bozeman
IAD - BZN
IADBZN
Washington, D.C. Dulles Intl
Sat 4/25
6:00 am-12:34 pm
2 stops8h 34m
Bozeman Gallatin Field
Tue 4/28
1:45 pm-12:42 am
2 stops8h 57m
$300
Washington, D.C.Missoula
IAD - MSO
IADMSO
Washington, D.C. Dulles Intl
Sat 8/29
9:00 am-5:56 pm
1 stop10h 56m
Missoula Johnson-Bell Field
Wed 9/9
6:35 am-4:26 pm
1 stop7h 51m
$309
Washington, D.C.Helena
IAD - HLN
IADHLN
Washington, D.C. Dulles Intl
Tue 8/18
7:25 am-12:23 pm
1 stop6h 58m
Helena
Tue 8/25
12:50 pm-11:51 pm
1 stop9h 01m
$309
Washington, D.C.Missoula
IAD - MSO
IADMSO
Washington, D.C. Dulles Intl
Tue 8/25
1:18 pm-11:28 pm
2 stops12h 10m
Missoula Johnson-Bell Field
Tue 9/1
3:55 pm-5:00 am
1 stop11h 05m
$314
Washington, D.C.Missoula
IAD - MSO
IADMSO
Washington, D.C. Dulles Intl
Thu 4/16
4:00 pm-9:30 pm
1 stop7h 30m
Missoula Johnson-Bell Field
Sat 4/25
2:38 pm-11:34 pm
1 stop6h 56m
$316
Washington, D.C.Missoula
IAD - MSO
IADMSO
Washington, D.C. Dulles Intl
Wed 6/10
6:30 am-1:24 pm
1 stop8h 54m
Missoula Johnson-Bell Field
Wed 7/1
2:25 pm-12:45 am
1 stop8h 20m
$327
Washington, D.C.Kalispell
IAD - FCA
IADFCA
Washington, D.C. Dulles Intl
Tue 4/7
6:00 am-1:28 pm
2 stops9h 28m
Kalispell Glacier Park
Tue 4/14
2:49 pm-11:32 pm
1 stop6h 43m
$359
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-MSO
IAD-FCA
IAD-HLN
IAD-BIL
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-MSO
IAD-FCA
IAD-HLN
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 $334). 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 2, 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 2, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
8.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
8.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
8.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
8.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
8.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
8.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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
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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 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$460 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$241 | Average$374 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$280 | Average$618 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$358 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$481 | FlexibilityNo cancel fee | On-time75% |