$169+ Cheap flights from Baltimore (BWI) 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BZN
Jul 28 — Aug 41
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Baltimore to MontanaExplore the most affordable flight options available from Baltimore to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 28, 2026.
Explore the most affordable flight options available from Baltimore to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 28, 2026.
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 9/107:35 am
BWI
- GTF
1 stop7h 00m
Delta
Mon 9/146:21 pm
GTF
- BWI
1 stop9h 57m
Delta
Deal found 6/23![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 6/26. 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.
Fri 10/91:00 pm
BWI
- GTF
2 stops11h 53m
Delta
Mon 10/126:20 pm
GTF
- BWI
1 stop9h 40m
Delta
Deal found 6/26![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 8/226:05 am
BWI
- FCA
1 stop6h 59m
Delta
Fri 8/286:09 pm
FCA
- BWI
1 stop10h 11m
Delta
Deal found 6/24![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/177:17 pm
BWI
- BIL
1 stop6h 13m
Delta
Mon 8/246:25 pm
BIL
- BWI
1 stop9h 55m
Delta
Deal found 6/23![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 6/26. 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 9/227:15 pm
BWI
- MSO
1 stop6h 20m
Delta
Wed 9/306:17 pm
MSO
- BWI
1 stop10h 01m
Delta
Deal found 6/26![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 6/27. 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.
Sun 11/112:15 pm
BWI
- GTF
2 stops12h 29m
Delta
Sat 11/145:30 am
GTF
- BWI
2 stops11h 16m
Delta
Deal found 6/27![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 6/28. 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.
Sat 9/122:59 pm
BWI
- FCA
1 stop7h 19m
Delta
Mon 9/216:00 pm
FCA
- BWI
2 stops13h 16m
Delta
Deal found 6/28![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/192:18 pm
BWI
- BIL
2 stops11h 12m
Delta
Wed 8/266:24 pm
BIL
- BWI
1 stop9h 56m
Delta
Deal found 6/23![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 9/306:10 am
BWI
- MSO
2 stops10h 32m
Delta
Sun 10/46:17 pm
MSO
- BWI
1 stop10h 01m
Delta
Deal found 6/25![Delta logo]()
$354
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Sat 8/223:05 pm
BWI
- BZN
1 stop8h 10m
Southwest
Tue 8/256:55 am
BZN
- BWI
1 stop7h 35m
Southwest
Deal found 6/24![Southwest logo]()
$372
This Delta deal was found by Cheapflights users on 6/26. 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.
Fri 9/42:57 pm
BWI
- BIL
1 stop7h 15m
Delta
Mon 9/146:33 pm
BIL
- BWI
1 stop9h 45m
Delta
Deal found 6/26![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 9/217:15 pm
BWI
- MSO
1 stop6h 20m
Delta
Wed 9/306:17 pm
MSO
- BWI
1 stop10h 01m
Delta
Deal found 6/24![Delta logo]()
$374
Best flights from Baltimore to MontanaDiscover carefully curated flight deals from Baltimore to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 28, 2026.
Discover carefully curated flight deals from Baltimore to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 28, 2026.
This Delta deal was found by Cheapflights users on 6/27. 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 9/12:57 pm
BWI
- BIL
1 stop7h 15m
Delta
Wed 9/96:33 pm
BIL
- BWI
1 stop9h 45m
Delta
Deal found 6/27![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 6/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:30 am
BWI
- BZN
2 stops10h 20m
Southwest
Sat 9/264:10 pm
BZN
- BWI
1 stop12h 20m
Southwest
Deal found 6/27![Southwest logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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 11/147:00 am
BWI
- GTF
1 stop11h 17m
Alaska Airlines
Wed 11/184:57 pm
GTF
- BWI
1 stop10h 43m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:16 pm
BWI
- GTF
1 stop7h 31m
United Airlines
Sat 10/312:39 pm
GTF
- BWI
1 stop6h 18m
United Airlines
Deal found 6/23![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 9/1412:02 pm
BWI
- BIL
2 stops13h 13m
Delta
Wed 9/236:33 pm
BIL
- BWI
1 stop9h 45m
Delta
Deal found 6/23![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 9/42:57 pm
BWI
- BIL
1 stop7h 15m
Delta
Fri 9/116:33 pm
BIL
- BWI
1 stop9h 45m
Delta
Deal found 6/24![Delta logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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.
Fri 8/144:19 pm
BWI
- BIL
1 stop24h 44m
Alaska Airlines
Tue 8/257:20 pm
BIL
- BWI
1 stop9h 10m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 6/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:25 pm
BWI
- BZN
2 stops9h 00m
Southwest
Fri 9/257:20 am
BZN
- BWI
2 stops14h 05m
Southwest
Deal found 6/27![Southwest logo]()
$423
This United Airlines deal was found by Cheapflights users on 6/26. 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 11/1412:35 pm
BWI
- GTF
2 stops11h 12m
United Airlines
Wed 11/182:39 pm
GTF
- BWI
1 stop6h 18m
United Airlines
Deal found 6/26![United Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 6/26. 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.
Sat 8/292:57 pm
BWI
- BIL
1 stop7h 15m
Delta
Wed 9/96:33 pm
BIL
- BWI
1 stop9h 45m
Delta
Deal found 6/26![Delta logo]()
$374
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/193:45 pm
BWI
- BZN
1 stop8h 40m
Southwest
Sat 8/224:10 pm
BZN
- BWI
1 stop12h 20m
Southwest
Deal found 6/25![Southwest logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 11/147:00 am
BWI
- HLN
1 stop11h 04m
Alaska Airlines
Tue 11/174:41 pm
HLN
- BWI
1 stop22h 31m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/294:22 pm
BWI
- MSO
1 stop7h 09m
United Airlines
Wed 9/97:15 am
MSO
- BWI
1 stop9h 35m
United Airlines
Deal found 6/25![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 9/167:35 am
BWI
- HLN
1 stop6h 42m
Delta
Wed 9/307:15 am
HLN
- BWI
2 stops12h 15m
Delta
Deal found 6/23![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
Tue 8/112:50 pm
BWI
- BZN
2 stops9h 35m
Southwest
Sat 8/154:10 pm
BZN
- BWI
1 stop12h 20m
Southwest
Deal found 6/23![Southwest logo]()
$429
This United Airlines deal was found by Cheapflights users on 6/27. 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 11/144:16 pm
BWI
- HLN
1 stop7h 23m
United Airlines
Tue 11/172:34 pm
HLN
- BWI
1 stop6h 23m
United Airlines
Deal found 6/27![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 6/26. 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 8/255:36 pm
BWI
- BZN
2 stops8h 28m
Delta
Tue 9/111:27 am
BZN
- BWI
1 stop8h 02m
Delta
Deal found 6/26![Delta logo]()
$382
This Southwest deal was found by Cheapflights users on 6/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:25 pm
BWI
- BZN
2 stops9h 00m
Southwest
Mon 9/217:20 am
BZN
- BWI
2 stops14h 05m
Southwest
Deal found 6/27![Southwest logo]()
$449
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:16 pm
BWI
- HLN
1 stop7h 23m
United Airlines
Sat 10/312:34 pm
HLN
- BWI
1 stop6h 23m
United Airlines
Deal found 6/23![United Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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.
Sat 8/82:55 pm
BWI
- BZN
2 stops8h 20m
Southwest
Thu 8/137:20 am
BZN
- BWI
2 stops14h 05m
Southwest
Deal found 6/25![Southwest logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/267:50 am
BWI
- MSO
1 stop9h 27m
Alaska Airlines
Sun 8/307:15 am
MSO
- BWI
1 stop21h 15m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:16 pm
BWI
- BTM
1 stop8h 15m
United Airlines
Sat 10/3110:00 am
BTM
- BWI
2 stops9h 23m
United Airlines
Deal found 6/23![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 9/255:40 pm
BWI
- MSO
2 stops8h 38m
Delta
Wed 9/306:17 pm
MSO
- BWI
1 stop10h 01m
Delta
Deal found 6/24![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
Fri 9/183:25 pm
BWI
- BZN
2 stops9h 00m
Southwest
Tue 9/228:30 am
BZN
- BWI
2 stops8h 25m
Southwest
Deal found 6/23![Southwest logo]()
$453
This United Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 11/144:16 pm
BWI
- BTM
1 stop8h 15m
United Airlines
Tue 11/1710:00 am
BTM
- BWI
2 stops9h 23m
United Airlines
Deal found 6/25![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 6/26. 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 8/177:17 pm
BWI
- FCA
1 stop6h 39m
Delta
Sat 8/296:20 am
FCA
- BWI
1 stop5h 37m
Delta
Deal found 6/26![Delta logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 9/114:43 pm
BWI
- FCA
1 stop22h 45m
Alaska Airlines
Thu 9/176:15 am
FCA
- BWI
1 stop9h 53m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 6/26. 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 8/298:10 am
BWI
- BIL
2 stops11h 06m
United Airlines
Wed 9/95:00 am
BIL
- BWI
2 stops9h 28m
United Airlines
Deal found 6/26![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 6/26. 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 8/186:15 am
BWI
- BZN
2 stops10h 19m
Delta
Tue 8/258:25 am
BZN
- BWI
2 stops11h 03m
Delta
Deal found 6/26![Delta logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 8/176:07 pm
BWI
- MSO
1 stop18h 35m
Alaska Airlines
Sat 8/221:04 pm
MSO
- BWI
1 stop24h 36m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$609
Last-minute flights from Baltimore to MontanaDiscover last-minute flight deals from Baltimore to Montana. Data last updated June 28, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Montana. Data last updated June 28, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/26. 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.
Sat 6/277:40 am
BWI
- BZN
1 stop7h 40m
Delta
Fri 8/217:39 pm
BZN
- BWI
1 stop8h 41m
Delta
Deal found 6/26![Delta logo]()
$461
This Delta deal was found by Cheapflights users on 6/27. 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 7/43:04 pm
BWI
- BIL
1 stop6h 58m
Delta
Sat 7/116:24 am
BIL
- BWI
1 stop5h 39m
Delta
Deal found 6/27![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 6/26. 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.
Sat 7/412:32 pm
BWI
- GTF
2 stops12h 08m
Delta
Fri 7/106:25 pm
GTF
- BWI
1 stop9h 35m
Delta
Deal found 6/26![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 6/27. 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.
Sun 7/196:20 am
BWI
- BZN
1 stop6h 04m
Delta
Sat 7/256:00 am
BZN
- BWI
1 stop6h 03m
Delta
Deal found 6/27![Delta logo]()
$444
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Tue 7/216:40 pm
BWI
- BZN
1 stop8h 10m
Southwest
Sat 7/256:05 pm
BZN
- BWI
1 stop9h 10m
Southwest
Deal found 6/24![Southwest logo]()
$408
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/226:40 pm
BWI
- BZN
1 stop8h 10m
Southwest
Mon 7/277:15 pm
BZN
- BWI
1 stop8h 30m
Southwest
Deal found 6/23![Southwest logo]()
$443
This Southwest deal was found by Cheapflights users on 6/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:20 am
BWI
- BZN
1 stop11h 35m
Southwest
Mon 8/37:15 pm
BZN
- BWI
1 stop8h 30m
Southwest
Deal found 6/27![Southwest logo]()
$447
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
Tue 7/284:55 pm
BWI
- BZN
1 stop7h 50m
Southwest
Mon 8/37:15 pm
BZN
- BWI
1 stop8h 30m
Southwest
Deal found 6/23![Southwest logo]()
$392
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Tue 7/288:16 am
BWI
- BZN
1 stop8h 57m
United Airlines
Tue 8/48:00 am
BZN
- BWI
1 stop7h 36m
United Airlines
Deal found 6/28![United Airlines logo]()
$401
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:45 am
BWI
- BZN
2 stops8h 35m
Southwest
Tue 8/46:55 am
BZN
- BWI
1 stop7h 35m
Southwest
Deal found 6/28![Southwest logo]()
$440
This Delta deal was found by Cheapflights users on 6/26. 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 7/287:10 pm
BWI
- BZN
1 stop6h 42m
Delta
Wed 8/511:27 am
BZN
- BWI
1 stop8h 02m
Delta
Deal found 6/26![Delta logo]()
$458
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/293:45 pm
BWI
- BZN
1 stop11h 05m
Southwest
Wed 8/56:55 am
BZN
- BWI
1 stop11h 30m
Southwest
Deal found 6/24![Southwest logo]()
$414
One-way flights from Baltimore to MontanaSearch for one-way flight options from Baltimore to Montana. Find affordable one-way fares based on user searches. Data last updated June 28, 2026.
Search for one-way flight options from Baltimore to Montana. Find affordable one-way fares based on user searches. Data last updated June 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 9/99:24 am
BWI
- BZN
3 stops34h 30m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 9/19:32 pm
BWI
- BZN
3 stops46h 22m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$174
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/226:05 am
BWI
- FCA
1 stop6h 59m
Delta
Deal found 6/25![Delta logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:24 pm
BWI
- BZN
2 stops30h 30m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$178
This United Airlines deal was found by Cheapflights users on 6/27. 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 9/1212:10 pm
BWI
- FCA
2 stops11h 11m
United Airlines
Deal found 6/27![United Airlines logo]()
$180
This Alaska Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 9/117:15 pm
BWI
- BIL
1 stop18h 23m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:35 am
BWI
- BZN
2 stops35h 23m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:32 pm
BWI
- BZN
3 stops44h 46m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 8/54:44 pm
BWI
- MSO
2 stops18h 50m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$188
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 9/22:20 pm
BWI
- BZN
1 stop7h 40m
Southwest
Deal found 6/23![Southwest logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:32 pm
BWI
- BZN
2 stops25h 20m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$190
This Delta deal was found by Cheapflights users on 6/28. 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.
Mon 8/316:05 am
BWI
- BZN
1 stop6h 16m
Delta
Deal found 6/28![Delta logo]()
$191
Find flight deals from Baltimore to Montana
Keep the following information in mind while searching for Baltimore to Montana flight deals. Data was last updated June 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $338 (Delta) |
One-way from | $169 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $525 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore 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 28, 2026.
Use the filters below to find and compare flights from Baltimore to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreBillings
BWI - BIL
BWIBIL
Baltimore/Washington
Tue 9/1
2:57 pm-8:12 pm
1 stop7h 15m
Billings Logan Intl
Wed 9/9
6:33 pm-6:18 am
1 stop9h 45m
$349
BaltimoreBillings
BWI - BIL
BWIBIL
Baltimore/Washington
Mon 9/14
12:02 pm-11:15 pm
2 stops13h 13m
Billings Logan Intl
Wed 9/23
6:33 pm-6:18 am
1 stop9h 45m
$354
BaltimoreBillings
BWI - BIL
BWIBIL
Baltimore/Washington
Fri 9/4
2:57 pm-8:12 pm
1 stop7h 15m
Billings Logan Intl
Fri 9/11
6:33 pm-6:18 am
1 stop9h 45m
$374
BaltimoreBillings
BWI - BIL
BWIBIL
Baltimore/Washington
Sat 8/29
2:57 pm-8:12 pm
1 stop7h 15m
Billings Logan Intl
Wed 9/9
6:33 pm-6:18 am
1 stop9h 45m
$374
BaltimoreHelena
BWI - HLN
BWIHLN
Baltimore/Washington
Wed 9/16
7:35 am-12:17 pm
1 stop6h 42m
Helena
Wed 9/30
7:15 am-9:30 pm
2 stops12h 15m
$379
BaltimoreBozeman
BWI - BZN
BWIBZN
Baltimore/Washington
Tue 8/25
5:36 pm-12:04 am
2 stops8h 28m
Bozeman Gallatin Field
Tue 9/1
11:27 am-9:29 pm
1 stop8h 02m
$382
BaltimoreBozeman
BWI - BZN
BWIBZN
Baltimore/Washington
Mon 9/21
6:30 am-2:50 pm
2 stops10h 20m
Bozeman Gallatin Field
Sat 9/26
4:10 pm-6:30 am
1 stop12h 20m
$390
BaltimoreGreat Falls
BWI - GTF
BWIGTF
Baltimore/Washington
Sat 11/14
7:00 am-4:17 pm
1 stop11h 17m
Great Falls
Wed 11/18
4:57 pm-5:40 am
1 stop10h 43m
$408
BaltimoreBillings
BWI - BIL
BWIBIL
Baltimore/Washington
Fri 8/14
4:19 pm-3:03 pm
1 stop24h 44m
Billings Logan Intl
Tue 8/25
7:20 pm-6:30 am
1 stop9h 10m
$419
BaltimoreMissoula
BWI - MSO
BWIMSO
Baltimore/Washington
Fri 9/25
5:40 pm-12:18 am
2 stops8h 38m
Missoula Johnson-Bell Field
Wed 9/30
6:17 pm-6:18 am
1 stop10h 01m
$419
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from Baltimore with our price prediction graph.
BWI-FCA
BWI-BZN
BWI-MSO
BWI-BIL
BWI-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 Baltimore to Montana
BWI-USMT
BWI-FCA
BWI-BZN
BWI-MSO
BWI-BIL
What is the cheapest month to book a flight from Baltimore to Montana?
Currently, December is the cheapest month in which you can book a flight from Baltimore to Montana (average of $179). Flying from Baltimore to Montana in October is currently the most expensive (average of $302). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Baltimore to Montana?
How far ahead should I book a flight from Baltimore to Montana?
To ensure you get the cheapest price possible for a flight from Baltimore to Montana, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 28, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Baltimore to Montana by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Related info for your journey
Find useful and relevant information for your journey from Baltimore 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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Alternative routes for Baltimore to Montana
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Complete your trip
Complete your trip to Montana by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Baltimore to Montana by cabin class
Find flights from Baltimore to Montana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Baltimore and Montana flights
Browse other Baltimore and Montana flight options. Last updated on June 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Baltimore to Montana flights
Consider these flights traveling from Baltimore to Montana.
Top 4 airlines flying from Baltimore to Montana
Discover the top 4 airlines that operate flights from Baltimore 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$252 | Average$486 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$262 | Average$606 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$283 | Average$435 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$298 | Average$568 | FlexibilityNo cancel fee | On-time71% |