$133+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BZN
Mar 11 — Mar 181
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 February 9, 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 February 9, 2026.
This Delta deal was found by Cheapflights users on 2/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:15 pm
IAD
- FCA
2 stops8h 31m
Delta
Wed 9/306:59 am
FCA
- IAD
1 stop8h 59m
Delta
Deal found 2/6![Delta logo]()
$264
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:18 pm
IAD
- FCA
1 stop18h 56m
Alaska Airlines
Sat 10/318:00 pm
FCA
- IAD
1 stop9h 28m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 2/6. 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 5/52:37 pm
IAD
- MSO
1 stop8h 53m
United Airlines
Tue 5/122:37 pm
MSO
- IAD
1 stop6h 57m
United Airlines
Deal found 2/6![United Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 2/5. 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 3/244:00 pm
IAD
- FCA
1 stop7h 57m
United Airlines
Wed 4/12:33 pm
FCA
- IAD
1 stop7h 01m
United Airlines
Deal found 2/5![United Airlines logo]()
$280
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/47:05 am
IAD
- BZN
1 stop9h 03m
Alaska Airlines
Tue 3/107:00 am
BZN
- IAD
1 stop8h 20m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 2/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:30 am
IAD
- BZN
1 stop8h 50m
Delta
Tue 3/105:58 am
BZN
- IAD
1 stop5h 34m
Delta
Deal found 2/6![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 2/5. 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 3/142:12 pm
IAD
- BZN
1 stop9h 10m
United Airlines
Sat 3/283:00 pm
BZN
- IAD
Nonstop3h 59m
United Airlines
Deal found 2/5![United Airlines logo]()
$296
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 8/238:15 am
IAD
- BZN
Nonstop4h 30m
United Airlines
Wed 8/268:30 am
BZN
- IAD
1 stop5h 31m
United Airlines
Deal found 2/7![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/76:00 am
IAD
- BZN
2 stops10h 20m
Delta
Tue 3/105:58 am
BZN
- IAD
2 stops10h 35m
Delta
Deal found 2/7![Delta logo]()
$300
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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.
Tue 3/107:05 am
IAD
- HLN
1 stop10h 54m
Alaska Airlines
Tue 3/316:22 pm
HLN
- IAD
1 stop9h 18m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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.
Tue 3/107:05 am
IAD
- BZN
1 stop9h 03m
Alaska Airlines
Tue 3/317:26 pm
BZN
- IAD
1 stop8h 14m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 2/5. 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.
Tue 3/2412:14 pm
IAD
- FCA
2 stops13h 27m
Delta
Wed 4/12:23 pm
FCA
- IAD
1 stop7h 18m
Delta
Deal found 2/5![Delta logo]()
$304
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 February 9, 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 February 9, 2026.
This Delta deal was found by Cheapflights users on 2/5. 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 3/132:15 pm
IAD
- BIL
1 stop8h 04m
Delta
Tue 3/176:25 am
BIL
- IAD
1 stop5h 07m
Delta
Deal found 2/5![Delta logo]()
$273
This United Airlines deal was found by Cheapflights users on 2/5. 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 3/244:00 pm
IAD
- FCA
1 stop7h 57m
United Airlines
Wed 4/12:33 pm
FCA
- IAD
1 stop7h 01m
United Airlines
Deal found 2/5![United Airlines logo]()
$280
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:05 am
IAD
- BZN
1 stop9h 03m
Alaska Airlines
Tue 3/107:00 am
BZN
- IAD
1 stop8h 20m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 2/5. 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.
Tue 4/72:15 pm
IAD
- BIL
1 stop8h 04m
Delta
Sat 4/186:24 am
BIL
- IAD
2 stops11h 32m
Delta
Deal found 2/5![Delta logo]()
$278
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 3/117:05 am
IAD
- HLN
1 stop10h 54m
Alaska Airlines
Tue 3/316:22 pm
HLN
- IAD
1 stop9h 18m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/117:00 am
IAD
- BZN
1 stop9h 35m
Delta
Mon 3/302:01 pm
BZN
- IAD
1 stop7h 40m
Delta
Deal found 2/7![Delta logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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.
Tue 3/107:05 am
IAD
- HLN
1 stop10h 54m
Alaska Airlines
Tue 3/316:22 pm
HLN
- IAD
1 stop9h 18m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:21 pm
IAD
- GTF
1 stop8h 56m
United Airlines
Sat 4/182:30 pm
GTF
- IAD
1 stop7h 04m
United Airlines
Deal found 2/8![United Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 2/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:15 pm
IAD
- BZN
1 stop7h 59m
Delta
Tue 3/312:45 pm
BZN
- IAD
1 stop7h 42m
Delta
Deal found 2/6![Delta logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 2/7![Alaska Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 2/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:00 am
IAD
- BZN
1 stop7h 53m
Delta
Mon 3/92:01 pm
BZN
- IAD
1 stop7h 40m
Delta
Deal found 2/6![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/114:00 pm
IAD
- GTF
1 stop7h 11m
United Airlines
Tue 3/312:30 pm
GTF
- IAD
1 stop7h 04m
United Airlines
Deal found 2/7![United Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/127:00 am
IAD
- BZN
1 stop9h 35m
Delta
Tue 3/312:45 pm
BZN
- IAD
1 stop7h 42m
Delta
Deal found 2/7![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/102:12 pm
IAD
- GTF
1 stop8h 59m
United Airlines
Tue 3/312:30 pm
GTF
- IAD
1 stop7h 04m
United Airlines
Deal found 2/7![United Airlines logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 3/97:05 am
IAD
- HLN
1 stop10h 54m
Alaska Airlines
Tue 3/316:22 pm
HLN
- IAD
1 stop9h 18m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/112:15 pm
IAD
- BZN
1 stop7h 59m
Delta
Tue 3/315:58 am
BZN
- IAD
2 stops12h 48m
Delta
Deal found 2/7![Delta logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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.
Thu 3/127:05 am
IAD
- HLN
1 stop10h 54m
Alaska Airlines
Tue 3/316:22 pm
HLN
- IAD
1 stop9h 18m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/114:00 pm
IAD
- GTF
1 stop7h 11m
United Airlines
Mon 3/302:30 pm
GTF
- IAD
1 stop7h 04m
United Airlines
Deal found 2/7![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/67:30 am
IAD
- BZN
1 stop8h 50m
Delta
Mon 3/96:30 pm
BZN
- IAD
2 stops12h 40m
Delta
Deal found 2/7![Delta logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/107:05 am
IAD
- HLN
1 stop10h 54m
Alaska Airlines
Mon 3/306:22 pm
HLN
- IAD
1 stop9h 18m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 7/216:30 am
IAD
- MSO
1 stop11h 03m
United Airlines
Wed 7/297:15 am
MSO
- IAD
1 stop9h 29m
United Airlines
Deal found 2/7![United Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 2/5. 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.
Tue 4/77:00 am
IAD
- BZN
1 stop8h 06m
Delta
Tue 4/1411:59 am
BZN
- IAD
2 stops9h 04m
Delta
Deal found 2/5![Delta logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/127:05 am
IAD
- GTF
1 stop11h 12m
Alaska Airlines
Mon 3/305:06 pm
GTF
- IAD
1 stop10h 34m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 5/232:40 pm
IAD
- GTF
1 stop8h 39m
United Airlines
Sat 5/302:29 pm
GTF
- IAD
1 stop8h 08m
United Airlines
Deal found 2/7![United Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 2/5. 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.
Tue 3/2412:14 pm
IAD
- FCA
2 stops13h 27m
Delta
Wed 4/12:23 pm
FCA
- IAD
1 stop7h 18m
Delta
Deal found 2/5![Delta logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/127:05 am
IAD
- HLN
1 stop10h 54m
Alaska Airlines
Mon 3/306:22 pm
HLN
- IAD
1 stop9h 18m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 2/283:58 pm
IAD
- BIL
1 stop7h 23m
United Airlines
Mon 3/92:35 pm
BIL
- IAD
1 stop6h 45m
United Airlines
Deal found 2/7![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 2/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:07 pm
IAD
- MSO
2 stops9h 09m
Delta
Tue 5/123:30 pm
MSO
- IAD
1 stop6h 11m
Delta
Deal found 2/6![Delta logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:05 am
IAD
- GTF
1 stop12h 43m
Alaska Airlines
Wed 3/185:06 pm
GTF
- IAD
1 stop10h 34m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$356
This United Airlines deal was found by Cheapflights users on 2/4. 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 4/255:15 pm
IAD
- BTM
1 stop7h 07m
United Airlines
Tue 4/289:24 am
BTM
- IAD
1 stop7h 36m
United Airlines
Deal found 2/4![United Airlines logo]()
$418
Last-minute flights from Dulles Intl to MontanaDiscover last-minute flight deals from Dulles Intl to Montana. Data last updated February 9, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Montana. Data last updated February 9, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:05 am
IAD
- BZN
1 stop9h 03m
Alaska Airlines
Tue 3/107:00 am
BZN
- IAD
1 stop8h 20m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 2/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:30 am
IAD
- BZN
1 stop8h 50m
Delta
Tue 3/105:58 am
BZN
- IAD
1 stop5h 34m
Delta
Deal found 2/6![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/76:00 am
IAD
- BZN
2 stops10h 20m
Delta
Tue 3/105:58 am
BZN
- IAD
2 stops10h 35m
Delta
Deal found 2/7![Delta logo]()
$300
This Southwest deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/94:50 pm
IAD
- BZN
1 stop7h 55m
Southwest
Mon 3/164:25 pm
BZN
- IAD
1 stop5h 50m
Southwest
Deal found 2/7![Southwest logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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.
Tue 3/107:05 am
IAD
- HLN
1 stop10h 54m
Alaska Airlines
Tue 3/316:22 pm
HLN
- IAD
1 stop9h 18m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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.
Tue 3/107:05 am
IAD
- BZN
1 stop9h 03m
Alaska Airlines
Tue 3/317:26 pm
BZN
- IAD
1 stop8h 14m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 2/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:15 pm
IAD
- BZN
1 stop7h 59m
Delta
Wed 4/12:01 pm
BZN
- IAD
1 stop7h 40m
Delta
Deal found 2/6![Delta logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/107:05 am
IAD
- GTF
1 stop11h 12m
Alaska Airlines
Mon 3/305:06 pm
GTF
- IAD
1 stop10h 34m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 2/5. 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 3/142:12 pm
IAD
- BZN
1 stop9h 10m
United Airlines
Sat 3/283:00 pm
BZN
- IAD
Nonstop3h 59m
United Airlines
Deal found 2/5![United Airlines logo]()
$296
This United Airlines deal was found by Cheapflights users on 2/5. 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 3/244:00 pm
IAD
- FCA
1 stop7h 57m
United Airlines
Wed 4/12:33 pm
FCA
- IAD
1 stop7h 01m
United Airlines
Deal found 2/5![United Airlines logo]()
$280
This Delta deal was found by Cheapflights users on 2/5. 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.
Tue 3/2412:14 pm
IAD
- FCA
2 stops13h 27m
Delta
Wed 4/12:23 pm
FCA
- IAD
1 stop7h 18m
Delta
Deal found 2/5![Delta logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 2/7![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 February 9, 2026.
Search for one-way flight options from Dulles Intl to Montana. Find affordable one-way fares based on user searches. Data last updated February 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:05 am
IAD
- GTF
1 stop11h 12m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$133
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:05 am
IAD
- BZN
1 stop9h 03m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$139
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:05 am
IAD
- HLN
1 stop10h 54m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$139
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
IAD
- MSO
2 stops10h 40m
Delta
Deal found 2/8![Delta logo]()
$144
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:05 am
IAD
- BZN
1 stop9h 03m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$145
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:05 am
IAD
- GTF
1 stop11h 12m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$149
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:05 am
IAD
- HLN
1 stop10h 54m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$155
This Delta deal was found by Cheapflights users on 2/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:00 am
IAD
- BZN
1 stop9h 35m
Delta
Deal found 2/6![Delta logo]()
$165
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/236:15 am
IAD
- FCA
1 stop8h 19m
United Airlines
Deal found 2/7![United Airlines logo]()
$170
This United Airlines deal was found by Cheapflights users on 2/6. 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.
Wed 3/112:12 pm
IAD
- GTF
1 stop8h 59m
United Airlines
Deal found 2/6![United Airlines logo]()
$178
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:05 am
IAD
- BZN
1 stop9h 03m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:09 am
IAD
- FCA
2 stops29h 34m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$181
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 February 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $263 (Alaska Airlines) |
One-way from | $133 (Alaska Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $414 |
Good round-trip deal | $345 or less |
Good one-way deal | $245 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 February 9, 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
Dulles Intl
Fly to
Montana
Route
Depart
Return
Price
Washington, D.C.Billings
IAD - BIL
IADBIL
Washington, D.C. Dulles Intl
Fri 3/13
2:15 pm-8:19 pm
1 stop8h 04m
Billings Logan Intl
Tue 3/17
6:25 am-1:32 pm
1 stop5h 07m
$273
Washington, D.C.Billings
IAD - BIL
IADBIL
Washington, D.C. Dulles Intl
Tue 4/7
2:15 pm-8:19 pm
1 stop8h 04m
Billings Logan Intl
Sat 4/18
6:24 am-7:56 pm
2 stops11h 32m
$278
Washington, D.C.Kalispell
IAD - FCA
IADFCA
Washington, D.C. Dulles Intl
Tue 3/24
4:00 pm-9:57 pm
1 stop7h 57m
Kalispell Glacier Park
Wed 4/1
2:33 pm-11:34 pm
1 stop7h 01m
$280
Washington, D.C.Bozeman
IAD - BZN
IADBZN
Washington, D.C. Dulles Intl
Wed 3/4
7:05 am-2:08 pm
1 stop9h 03m
Bozeman Gallatin Field
Tue 3/10
7:00 am-5:20 pm
1 stop8h 20m
$283
Washington, D.C.Bozeman
IAD - BZN
IADBZN
Washington, D.C. Dulles Intl
Wed 3/11
7:00 am-2:35 pm
1 stop9h 35m
Bozeman Gallatin Field
Mon 3/30
2:01 pm-11:41 pm
1 stop7h 40m
$289
Washington, D.C.Bozeman
IAD - BZN
IADBZN
Washington, D.C. Dulles Intl
Tue 3/10
2:15 pm-8:14 pm
1 stop7h 59m
Bozeman Gallatin Field
Tue 3/31
2:45 pm-12:27 am
1 stop7h 42m
$289
Washington, D.C.Bozeman
IAD - BZN
IADBZN
Washington, D.C. Dulles Intl
Mon 3/2
7:00 am-12:53 pm
1 stop7h 53m
Bozeman Gallatin Field
Mon 3/9
2:01 pm-11:41 pm
1 stop7h 40m
$289
Washington, D.C.Bozeman
IAD - BZN
IADBZN
Washington, D.C. Dulles Intl
Thu 3/12
7:00 am-2:35 pm
1 stop9h 35m
Bozeman Gallatin Field
Tue 3/31
2:45 pm-12:27 am
1 stop7h 42m
$289
Washington, D.C.Bozeman
IAD - BZN
IADBZN
Washington, D.C. Dulles Intl
Wed 3/11
2:15 pm-8:14 pm
1 stop7h 59m
Bozeman Gallatin Field
Tue 3/31
5:58 am-8:46 pm
2 stops12h 48m
$294
Washington, D.C.Bozeman
IAD - BZN
IADBZN
Washington, D.C. Dulles Intl
Fri 3/6
7:30 am-2:20 pm
1 stop8h 50m
Bozeman Gallatin Field
Mon 3/9
6:30 pm-9:10 am
2 stops12h 40m
$294
Showing 1-10 of 60 results
Best time to book a flight from Dulles Intl to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from Dulles Intl with our price prediction graph.
IAD-BIL
IAD-FCA
IAD-BZN
IAD-HLN
IAD-GTF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Montana
IAD-USMT
IAD-BIL
IAD-FCA
IAD-BZN
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 February 9, 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 February 9, 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.
Crew
8.5
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
8.0
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
Browse other Dulles Intl and Montana flight options. Last updated on February 9, 2026.
Popular flight searches
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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 February 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$460 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$241 | Average$378 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$280 | Average$617 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$359 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$481 | FlexibilityNo cancel fee | On-time75% |