$139+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BZN
Jul 6 — Jul 131
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 June 6, 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 June 6, 2026.
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:13 pm
IAD
- FCA
1 stop7h 41m
United Airlines
Sun 9/64:17 pm
FCA
- IAD
1 stop6h 27m
United Airlines
Deal found 6/3![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 6/1. 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 11/187:30 am
IAD
- FCA
1 stop6h 59m
Delta
Thu 11/261:29 pm
FCA
- IAD
2 stops8h 51m
Delta
Deal found 6/1![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:30 am
IAD
- FCA
1 stop6h 59m
Delta
Wed 11/41:29 pm
FCA
- IAD
1 stop8h 04m
Delta
Deal found 6/5![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 10/307:30 am
IAD
- FCA
1 stop6h 59m
Delta
Wed 11/41:29 pm
FCA
- IAD
2 stops7h 33m
Delta
Deal found 6/5![Delta logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/176:03 am
IAD
- GTF
1 stop12h 26m
Alaska Airlines
Wed 9/95:19 pm
GTF
- IAD
1 stop10h 21m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 8/2512:30 pm
IAD
- FCA
2 stops12h 23m
Delta
Mon 8/3112:02 pm
FCA
- IAD
1 stop9h 37m
Delta
Deal found 6/4![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 6/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:20 am
IAD
- BZN
1 stop7h 13m
United Airlines
Tue 11/312:30 pm
BZN
- IAD
1 stop6h 35m
United Airlines
Deal found 6/2![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/167:00 am
IAD
- HLN
1 stop7h 15m
Delta
Wed 8/2612:55 pm
HLN
- IAD
1 stop8h 44m
Delta
Deal found 6/3![Delta logo]()
$347
This American Airlines deal was found by Cheapflights users on 6/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:10 am
IAD
- BZN
1 stop7h 52m
American Airlines
Tue 9/16:26 am
BZN
- IAD
1 stop10h 01m
American Airlines
Deal found 6/1![American Airlines logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:47 pm
IAD
- BZN
1 stop17h 55m
Alaska Airlines
Wed 9/22:21 pm
BZN
- IAD
1 stop13h 19m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 10/319:35 am
IAD
- BIL
1 stop11h 17m
Alaska Airlines
Tue 11/36:00 am
BIL
- IAD
1 stop8h 14m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 6/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:25 am
IAD
- HLN
1 stop6h 58m
Delta
Wed 9/2312:57 pm
HLN
- IAD
1 stop8h 25m
Delta
Deal found 6/2![Delta logo]()
$349
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 June 6, 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 June 6, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/176:03 am
IAD
- GTF
1 stop12h 26m
Alaska Airlines
Wed 9/95:19 pm
GTF
- IAD
1 stop10h 21m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 6/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 am
IAD
- BZN
1 stop6h 51m
Delta
Wed 8/261:00 pm
BZN
- IAD
1 stop8h 39m
Delta
Deal found 6/2![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 6/306:10 am
IAD
- BZN
1 stop7h 34m
United Airlines
Sat 7/114:24 pm
BZN
- IAD
1 stop6h 21m
United Airlines
Deal found 6/4![United Airlines logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am
IAD
- MSO
1 stop10h 17m
Alaska Airlines
Wed 9/94:16 pm
MSO
- IAD
1 stop11h 24m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/256:49 pm
IAD
- MSO
1 stop6h 58m
Delta
Mon 8/311:12 pm
MSO
- IAD
1 stop8h 27m
Delta
Deal found 6/3![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/257:00 am
IAD
- HLN
1 stop7h 15m
Delta
Wed 9/212:55 pm
HLN
- IAD
2 stops9h 39m
Delta
Deal found 6/3![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:10 pm
IAD
- BZN
1 stop7h 32m
United Airlines
Mon 8/314:32 pm
BZN
- IAD
1 stop6h 00m
United Airlines
Deal found 6/2![United Airlines logo]()
$394
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/259:03 am
IAD
- GTF
1 stop9h 35m
Alaska Airlines
Wed 9/25:18 pm
GTF
- IAD
1 stop10h 22m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/268:28 am
IAD
- MSO
2 stops11h 19m
Delta
Mon 8/311:12 pm
MSO
- IAD
1 stop8h 27m
Delta
Deal found 6/3![Delta logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/199:03 am
IAD
- HLN
1 stop9h 31m
Alaska Airlines
Wed 8/265:11 pm
HLN
- IAD
1 stop10h 29m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/292:43 pm
IAD
- FCA
1 stop8h 38m
United Airlines
Sat 9/54:17 pm
FCA
- IAD
1 stop6h 27m
United Airlines
Deal found 6/3![United Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/167:00 am
IAD
- HLN
1 stop7h 15m
Delta
Wed 8/2612:55 pm
HLN
- IAD
2 stops9h 39m
Delta
Deal found 6/3![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/168:15 am
IAD
- BZN
Nonstop4h 27m
United Airlines
Mon 8/244:32 pm
BZN
- IAD
1 stop6h 00m
United Airlines
Deal found 6/5![United Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/2912:29 pm
IAD
- BIL
2 stops12h 24m
Delta
Wed 9/96:25 pm
BIL
- IAD
2 stops12h 45m
Delta
Deal found 6/5![Delta logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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.
Sun 8/307:00 am
IAD
- BZN
1 stop9h 38m
Alaska Airlines
Fri 9/49:20 am
BZN
- IAD
1 stop30h 54m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/192:43 pm
IAD
- BIL
1 stop8h 17m
United Airlines
Thu 8/272:29 pm
BIL
- IAD
1 stop8h 03m
United Airlines
Deal found 6/5![United Airlines logo]()
$453
This Expedia deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
Sun 6/216:03 am
IAD
- GDV
2 stops15h 19m
Multiple Airlines
Thu 6/2512:21 pm
GDV
- IAD
2 stops16h 18m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,212
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/146:49 pm
IAD
- BIL
1 stop6h 41m
Delta
Tue 8/256:33 pm
BIL
- IAD
2 stops12h 47m
Delta
Deal found 6/3![Delta logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/176:14 pm
IAD
- BIL
1 stop20h 51m
Alaska Airlines
Wed 8/266:14 am
BIL
- IAD
1 stop8h 30m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/182:43 pm
IAD
- MSO
1 stop8h 48m
United Airlines
Tue 8/256:15 am
MSO
- IAD
1 stop9h 35m
United Airlines
Deal found 6/5![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/267:00 am
IAD
- HLN
1 stop7h 15m
Delta
Wed 9/212:55 pm
HLN
- IAD
2 stops9h 39m
Delta
Deal found 6/3![Delta logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:14 pm
IAD
- BIL
1 stop20h 51m
Alaska Airlines
Tue 8/2512:11 pm
BIL
- IAD
1 stop9h 48m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/195:25 pm
IAD
- MSO
2 stops8h 53m
Delta
Fri 8/281:12 pm
MSO
- IAD
1 stop8h 27m
Delta
Deal found 6/5![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 9/21:10 pm
IAD
- FCA
1 stop7h 44m
United Airlines
Sun 9/64:17 pm
FCA
- IAD
1 stop6h 27m
United Airlines
Deal found 6/5![United Airlines logo]()
$477
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/259:03 am
IAD
- HLN
1 stop9h 31m
Alaska Airlines
Sat 8/295:11 pm
HLN
- IAD
1 stop10h 29m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/195:25 pm
IAD
- MSO
2 stops8h 53m
Delta
Thu 8/276:27 pm
MSO
- IAD
2 stops12h 53m
Delta
Deal found 6/5![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/151:00 pm
IAD
- MSO
1 stop9h 01m
United Airlines
Thu 8/276:15 am
MSO
- IAD
1 stop9h 35m
United Airlines
Deal found 6/5![United Airlines logo]()
$493
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:47 pm
IAD
- GTF
1 stop24h 51m
Alaska Airlines
Fri 8/285:18 pm
GTF
- IAD
1 stop10h 22m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/176:49 pm
IAD
- BIL
1 stop6h 41m
Delta
Wed 8/266:33 pm
BIL
- IAD
2 stops12h 47m
Delta
Deal found 6/5![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 6/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:02 pm
IAD
- BZN
1 stop7h 41m
United Airlines
Mon 8/174:30 pm
BZN
- IAD
1 stop6h 14m
United Airlines
Deal found 6/2![United Airlines logo]()
$497
Last-minute flights from Dulles Intl to MontanaDiscover last-minute flight deals from Dulles Intl to Montana. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Montana. Data last updated June 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 6/306:10 am
IAD
- BZN
1 stop7h 34m
United Airlines
Sat 7/114:24 pm
BZN
- IAD
1 stop6h 21m
United Airlines
Deal found 6/4![United Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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
Fri 7/102:37 pm
GTF
- IAD
1 stop8h 08m
United Airlines
Deal found 6/5![United Airlines logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:14 pm
IAD
- BZN
1 stop17h 32m
Alaska Airlines
Thu 7/233:05 pm
BZN
- IAD
1 stop13h 34m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 6/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:15 am
IAD
- WYS
1 stop7h 11m
Delta
Tue 7/141:10 pm
WYS
- IAD
1 stop8h 19m
Delta
Deal found 6/2![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/183:39 pm
IAD
- BZN
1 stop9h 04m
United Airlines
Fri 7/244:29 pm
BZN
- IAD
1 stop6h 16m
United Airlines
Deal found 6/4![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/183:39 pm
IAD
- BZN
1 stop9h 04m
United Airlines
Thu 7/304:24 pm
BZN
- IAD
1 stop6h 21m
United Airlines
Deal found 6/2![United Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/193:16 pm
IAD
- BZN
1 stop27h 03m
Allegiant Air
Fri 7/245:09 pm
BZN
- IAD
1 stop18h 58m
Allegiant Air
Deal found 6/2![Allegiant Air logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/263:16 pm
IAD
- BZN
1 stop27h 03m
Multiple Airlines
Fri 7/313:43 pm
BZN
- IAD
2 stops14h 37m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
Sun 7/269:50 am
IAD
- GTF
1 stop25h 39m
Multiple Airlines
Mon 8/310:19 am
GTF
- IAD
1 stop20h 01m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/263:16 pm
IAD
- BZN
1 stop27h 03m
Multiple Airlines
Mon 8/33:43 pm
BZN
- IAD
2 stops14h 37m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 6/1. 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.
Sun 7/263:16 pm
IAD
- BZN
1 stop27h 03m
Allegiant Air
Fri 7/315:09 pm
BZN
- IAD
1 stop18h 58m
Allegiant Air
Deal found 6/1![Allegiant Air logo]()
$412
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/286:10 am
IAD
- BZN
1 stop7h 34m
United Airlines
Mon 8/34:24 pm
BZN
- IAD
1 stop6h 21m
United Airlines
Deal found 6/6![United Airlines logo]()
$359
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 June 6, 2026.
Search for one-way flight options from Dulles Intl to Montana. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
This American Airlines deal was found by Cheapflights users on 6/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/122:53 pm
IAD
- BZN
1 stop7h 44m
American Airlines
Deal found 6/1![American Airlines logo]()
$139
This Delta deal was found by Cheapflights users on 6/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 pm
IAD
- FCA
1 stop7h 56m
Delta
Deal found 6/2![Delta logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/118:33 pm
IAD
- MSO
2 stops39h 01m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/218:33 pm
IAD
- BZN
2 stops45h 25m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/263:16 pm
IAD
- BZN
1 stop27h 03m
Allegiant Air
Deal found 6/2![Allegiant Air logo]()
$168
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:30 am
IAD
- BZN
1 stop10h 48m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$175
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/257:00 am
IAD
- HLN
1 stop7h 15m
Delta
Deal found 6/3![Delta logo]()
$175
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 8/116:09 am
IAD
- MSO
1 stop8h 26m
American Airlines
Deal found 6/4![American Airlines logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/106:14 pm
IAD
- GTF
1 stop24h 15m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/132:56 pm
IAD
- BZN
1 stop27h 22m
Allegiant Air
Deal found 6/2![Allegiant Air logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/163:27 pm
IAD
- BZN
1 stop26h 51m
Allegiant Air
Deal found 6/2![Allegiant Air logo]()
$178
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/97:53 pm
IAD
- BZN
1 stop21h 31m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$180
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 June 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $309 (United Airlines) |
One-way from | $139 (American Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $466 |
Good round-trip deal | $428 or less |
Good one-way deal | $303 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 June 6, 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.Great Falls
IAD - GTF
IADGTF
Washington, D.C. Dulles Intl
Mon 8/17
6:03 am-4:29 pm
1 stop12h 26m
Great Falls
Wed 9/9
5:19 pm-5:40 am
1 stop10h 21m
$338
Washington, D.C.Bozeman
IAD - BZN
IADBZN
Washington, D.C. Dulles Intl
Sat 8/22
6:00 am-10:51 am
1 stop6h 51m
Bozeman Gallatin Field
Wed 8/26
1:00 pm-11:39 pm
1 stop8h 39m
$349
Washington, D.C.Missoula
IAD - MSO
IADMSO
Washington, D.C. Dulles Intl
Sat 8/29
7:00 am-3:17 pm
1 stop10h 17m
Missoula Johnson-Bell Field
Wed 9/9
4:16 pm-5:40 am
1 stop11h 24m
$349
Washington, D.C.Missoula
IAD - MSO
IADMSO
Washington, D.C. Dulles Intl
Tue 8/25
6:49 pm-11:47 pm
1 stop6h 58m
Missoula Johnson-Bell Field
Mon 8/31
1:12 pm-11:39 pm
1 stop8h 27m
$349
Washington, D.C.Helena
IAD - HLN
IADHLN
Washington, D.C. Dulles Intl
Tue 8/25
7:00 am-12:15 pm
1 stop7h 15m
Helena
Wed 9/2
12:55 pm-12:34 am
2 stops9h 39m
$354
Washington, D.C.Missoula
IAD - MSO
IADMSO
Washington, D.C. Dulles Intl
Wed 8/26
8:28 am-5:47 pm
2 stops11h 19m
Missoula Johnson-Bell Field
Mon 8/31
1:12 pm-11:39 pm
1 stop8h 27m
$354
Washington, D.C.Helena
IAD - HLN
IADHLN
Washington, D.C. Dulles Intl
Sun 8/16
7:00 am-12:15 pm
1 stop7h 15m
Helena
Wed 8/26
12:55 pm-12:34 am
2 stops9h 39m
$377
Washington, D.C.Billings
IAD - BIL
IADBIL
Washington, D.C. Dulles Intl
Sat 8/29
12:29 pm-10:53 pm
2 stops12h 24m
Billings Logan Intl
Wed 9/9
6:25 pm-9:10 am
2 stops12h 45m
$379
Washington, D.C.Billings
IAD - BIL
IADBIL
Washington, D.C. Dulles Intl
Fri 8/14
6:49 pm-11:30 pm
1 stop6h 41m
Billings Logan Intl
Tue 8/25
6:33 pm-9:20 am
2 stops12h 47m
$379
Washington, D.C.Helena
IAD - HLN
IADHLN
Washington, D.C. Dulles Intl
Wed 8/26
7:00 am-12:15 pm
1 stop7h 15m
Helena
Wed 9/2
12:55 pm-12:34 am
2 stops9h 39m
$379
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-FCA
IAD-BZN
IAD-MSO
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-FCA
IAD-BZN
IAD-MSO
IAD-GTF
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Montana?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Montana (average of $145). Flying from Washington, D.C. Dulles Intl Airport to Montana in March is currently the most expensive (average of $328). 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 June 6, 2026.
When flying from Washington, D.C. Dulles Intl Airport to Montana, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Montana?
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 54 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 June 6, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines 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
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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 June 6, 2026.
Popular flight searches
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Dulles Intl to Montana flights
Consider these flights traveling from Dulles Intl to Montana.
Top 4 airlines flying from Dulles Intl to Montana
Discover the top 4 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 June 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$241 | Average$370 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$248 | Average$493 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$276 | Average$542 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$282 | Average$424 | FlexibilityNo cancel fee | On-timeN/A |