$87+ Cheap flights from Montana to San Diego (SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SAN
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Montana to San Diego with Cheapflights
1. Tell us where you want to go
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 Montana to San DiegoExplore the most affordable flight options available from Montana to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Montana to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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.
Mon 12/75:58 pm -
1 stop15h 04m
Wed 12/98:57 am -
1 stop23h 27m
Deal found 10/29![Multiple Airlines logo]()
$222
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/196:23 pm -
1 stop6h 30m
Mon 11/237:10 pm -
1 stop4h 09m
Deal found 10/29![Delta logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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.
Mon 12/75:58 pm -
1 stop15h 04m
Tue 12/87:51 pm -
2 stops20h 58m
Deal found 10/29![Multiple Airlines logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 12/36:35 pm -
2 stops14h 54m
Sat 12/58:00 am -
2 stops8h 55m
Deal found 10/27![Alaska Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 10/26. 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 11/205:20 am -
1 stop4h 28m
Thu 12/37:11 pm -
1 stop4h 15m
Deal found 10/26![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 12/176:18 pm -
1 stop5h 14m
Mon 1/116:15 am -
1 stop4h 57m
Deal found 10/26![United Airlines logo]()
$280
This WAYA deal was found by Cheapflights users on 10/25. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:01 pm -
1 stop11h 54m
Sat 12/57:37 pm -
1 stop12h 51m
Deal found 10/25![Multiple Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/71:19 pm -
2 stops10h 33m
Wed 12/97:20 am -
2 stops9h 25m
Deal found 10/29![Delta logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Sun 11/159:07 pm -
1 stop23h 28m
Sat 11/218:50 am -
1 stop23h 27m
Deal found 10/25![Multiple Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 10/28. 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 12/56:22 pm -
1 stop5h 23m
Sun 12/66:15 am -
1 stop4h 54m
Deal found 10/28![Delta logo]()
$296
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/205:20 am -
1 stop4h 28m
Mon 11/237:10 pm -
1 stop4h 09m
Deal found 10/29![Delta logo]()
$300
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 12/236:18 pm -
1 stop5h 14m
Wed 12/306:20 am -
1 stop5h 01m
Deal found 10/26![United Airlines logo]()
$305
Best flights from Montana to San DiegoDiscover carefully curated flight deals from Montana to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Montana to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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.
Mon 12/75:58 pm -
1 stop15h 04m
Tue 12/87:51 pm -
2 stops20h 58m
Deal found 10/29![Multiple Airlines logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/307:00 am -
2 stops14h 22m
Wed 2/39:00 am -
2 stops13h 51m
Deal found 10/28![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/71:19 pm -
2 stops10h 33m
Wed 12/97:20 am -
2 stops9h 25m
Deal found 10/29![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/92:32 pm -
1 stop7h 10m
Wed 1/1312:39 pm -
1 stop7h 57m
Deal found 10/28![United Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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.
Sun 2/2111:05 am -
1 stop6h 15m
Thu 2/257:00 am -
1 stop4h 15m
Deal found 10/29![Southwest logo]()
$344
This WAYA deal was found by Cheapflights users on 10/25. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:01 pm -
1 stop11h 54m
Sat 12/57:37 pm -
1 stop12h 51m
Deal found 10/25![Multiple Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/205:20 am -
1 stop4h 28m
Mon 11/237:10 pm -
1 stop4h 09m
Deal found 10/29![Delta logo]()
$300
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 1/93:52 pm -
1 stop5h 30m
Wed 1/137:43 pm -
1 stop18h 29m
Deal found 10/29![Alaska Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 2/175:45 am -
1 stop4h 21m
Sun 2/287:10 pm -
1 stop4h 00m
Deal found 10/29![Delta logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/54:49 pm -
1 stop5h 28m
Wed 12/97:15 am -
1 stop7h 57m
Deal found 10/27![Alaska Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/54:51 pm -
1 stop5h 26m
Wed 12/96:15 am -
1 stop8h 56m
Deal found 10/29![Alaska Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/910:15 am -
1 stop8h 00m
Fri 11/134:18 pm -
1 stop5h 25m
Deal found 10/25![United Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 12/35:25 am -
2 stops8h 31m
Sun 12/66:15 am -
1 stop5h 24m
Deal found 10/30![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 2/134:00 pm -
1 stop7h 27m
Tue 2/169:59 pm -
2 stops15h 07m
Deal found 10/25![Alaska Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/59:30 am -
1 stop6h 25m
Wed 12/911:00 am -
1 stop6h 36m
Deal found 10/26![United Airlines logo]()
$450
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/307:00 am -
2 stops11h 30m
Sat 3/69:00 am -
1 stop13h 59m
Deal found 10/28![Alaska Airlines logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/174:00 pm -
1 stop7h 27m
Sun 2/288:03 am -
Nonstop3h 00m
Deal found 10/28![Alaska Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 10/25. 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.
Mon 11/96:10 pm -
1 stop6h 44m
Fri 11/136:15 am -
2 stops9h 56m
Deal found 10/25![Delta logo]()
$440
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/127:00 am -
2 stops11h 30m
Sat 1/168:00 am -
Nonstop3h 07m
Deal found 10/28![Alaska Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:15 am -
1 stop8h 00m
Mon 11/166:26 pm -
2 stops23h 10m
Deal found 10/28![United Airlines logo]()
$572
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
Fri 11/2012:32 pm -
Nonstop2h 47m
Thu 12/34:08 pm -
1 stop6h 25m
Deal found 10/25![Alaska Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:03 pm -
2 stops9h 30m
Wed 12/97:05 am -
1 stop5h 18m
Deal found 10/27![Alaska Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/317:00 am -
1 stop6h 33m
Mon 4/56:15 am -
1 stop5h 09m
Deal found 10/27![Delta logo]()
$545
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/46:35 pm -
2 stops14h 54m
Sun 12/136:15 am -
1 stop16h 06m
Deal found 10/29![Alaska Airlines logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 3/82:03 pm -
2 stops18h 12m
Thu 3/114:50 pm -
1 stop6h 09m
Deal found 10/29![Alaska Airlines logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/51:02 pm -
1 stop5h 24m
Fri 1/85:46 pm -
2 stops17h 36m
Deal found 10/28![Alaska Airlines logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 1/2812:09 pm -
1 stop22h 07m
Sun 1/317:00 am -
1 stop5h 54m
Deal found 10/30![Alaska Airlines logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 3/14:55 pm -
1 stop20h 59m
Fri 3/57:00 pm -
1 stop20h 13m
Deal found 10/29![Alaska Airlines logo]()
$402
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:03 pm -
1 stop5h 21m
Sun 12/66:15 am -
1 stop8h 45m
Deal found 10/28![Alaska Airlines logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 1/1612:51 pm -
1 stop5h 35m
Wed 1/209:46 am -
2 stops12h 11m
Deal found 10/26![Alaska Airlines logo]()
$425
Last-minute flights from Montana to San DiegoDiscover last-minute flight deals from Montana to San Diego. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to San Diego. Data last updated October 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Sun 11/812:46 pm -
1 stop7h 49m
Wed 11/1111:06 am -
2 stops21h 00m
Deal found 10/28![Multiple Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/124:32 pm -
1 stop5h 04m
Mon 11/166:20 am -
1 stop5h 02m
Deal found 10/29![United Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/124:13 pm -
1 stop7h 14m
Sun 11/156:45 am -
1 stop7h 45m
Deal found 10/29![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 10/27. 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.
Fri 11/135:20 am -
1 stop4h 28m
Sat 11/216:30 am -
1 stop4h 35m
Deal found 10/27![Delta logo]()
$320
This Kissandfly.com deal was found by Cheapflights users on 10/27. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:20 am -
1 stop4h 28m
Sun 11/228:00 am -
Nonstop2h 52m
Deal found 10/27![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Sun 11/159:07 pm -
1 stop23h 28m
Sat 11/218:50 am -
1 stop23h 27m
Deal found 10/25![Multiple Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/196:23 pm -
1 stop6h 30m
Mon 11/237:10 pm -
1 stop4h 09m
Deal found 10/29![Delta logo]()
$255
This Delta deal was found by Cheapflights users on 10/26. 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 11/205:20 am -
1 stop4h 28m
Thu 12/37:11 pm -
1 stop4h 15m
Deal found 10/26![Delta logo]()
$275
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/205:20 am -
1 stop4h 28m
Mon 11/237:10 pm -
1 stop4h 09m
Deal found 10/29![Delta logo]()
$300
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:50 am -
1 stop5h 35m
Thu 12/312:35 pm -
2 stops8h 55m
Deal found 10/26![Southwest logo]()
$341
This WAYA deal was found by Cheapflights users on 10/25. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:01 pm -
1 stop11h 54m
Sat 12/57:37 pm -
1 stop12h 51m
Deal found 10/25![Multiple Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 11/285:11 am -
1 stop4h 37m
Sat 12/57:20 am -
2 stops9h 16m
Deal found 10/30![Delta logo]()
$375
One-way flights from Montana to San DiegoSearch for one-way flight options from Montana to San Diego. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Montana to San Diego. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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.
Mon 12/1411:39 am -
1 stop21h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Sun 11/2210:28 am -
1 stop22h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Mon 12/2110:09 pm -
2 stops16h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1810:16 pm -
2 stops16h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/2310:27 am -
1 stop26h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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.
Mon 11/3010:57 am -
1 stop25h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Tue 11/249:01 pm -
1 stop11h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$123
This Delta deal was found by Cheapflights users on 10/27. 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 11/176:23 pm -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Delta logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Sun 12/207:09 pm -
1 stop19h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$130
This Southwest deal was found by Cheapflights users on 10/27. 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.
Tue 11/1711:20 am -
2 stops7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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.
Mon 2/154:10 pm -
1 stop23h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Thu 12/246:53 pm -
2 stops18h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$138
Find flight deals from Montana to San Diego
Keep the following information in mind while searching for Montana to San Diego flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $222 (Kiwi.com) |
One-way from | $87 (Kiwi.com) |
Popular in | November |
Cheapest in | March |
Average price | $328 |
Good round-trip deal | $511 or less |
Good one-way deal | $239 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Montana to San Diego 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 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Montana to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Great FallsSan Diego
GTF Great Falls - SAN San Diego
GTFSAN
Great Falls
Mon 12/14
11:39 am-9:13 am
2 stops46h 34m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$108
BillingsSan Diego
BIL Billings Logan Intl - SAN San Diego
BILSAN
Billings Logan Intl
Mon 1/18
10:16 pm-2:14 pm
2 stops16h 58m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$109
BillingsSan Diego
BIL Billings Logan Intl - SAN San Diego
BILSAN
Billings Logan Intl
Mon 11/30
10:57 am-11:37 am
1 stop25h 40m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$118
MissoulaSan Diego
MSO Missoula Johnson-Bell Field - SAN San Diego
MSOSAN
Missoula Johnson-Bell Field
Mon 12/21
10:09 pm-12:24 pm
1 stop15h 15m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$122
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Tue 11/24
9:01 pm-7:55 am
1 stop11h 54m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$123
BozemanSan Diego
BZN Bozeman Gallatin Field - SAN San Diego
BZNSAN
Bozeman Gallatin Field
Fri 11/20
5:20 am-8:48 am
1 stop4h 28m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$148
MissoulaSan Diego
MSO Missoula Johnson-Bell Field - SAN San Diego
MSOSAN
Missoula Johnson-Bell Field
Mon 2/15
4:10 pm-2:14 pm
2 stops23h 04m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$156
BillingsSan Diego
BIL Billings Logan Intl - SAN San Diego
BILSAN
Billings Logan Intl
Sat 12/5
3:32 pm-8:29 am
2 stops17h 57m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$160
BozemanSan Diego
BZN Bozeman Gallatin Field - SAN San Diego
BZNSAN
Bozeman Gallatin Field
Wed 11/18
6:23 pm-11:53 pm
1 stop6h 30m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$168
BozemanSan Diego
BZN Bozeman Gallatin Field - SAN San Diego
BZNSAN
Bozeman Gallatin Field
Sat 4/24
5:45 am-9:06 am
1 stop4h 21m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$168
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Montana to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Montana with our price prediction graph.
BZN-SAN
FCA-SAN
MSO-SAN
BIL-SAN
HLN-SAN
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 Montana to San Diego
USMT-SAN
BZN-SAN
FCA-SAN
MSO-SAN
BIL-SAN
What is the cheapest month to book a flight from Montana to San Diego?
Currently, March is the cheapest month in which you can book a flight from Montana to San Diego (average of $297). Flying from Montana to San Diego in November is currently the most expensive (average of $455). 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 MT to SAN?
Find hourly flight availability from Montana to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
A simple way to save on the total cost of your ticket is to fly from Montana to San Diego in the afternoon. If you’re flexible enough to do this you can expect to save up to 61% on your trip compared to booking a flight at noon.
How much does it cost to fly round-trip from Montana to San Diego?
Airfare is below average for this route at the moment.
Montana to San Diego flights typically cost between $316 and $463 in February.The cheapest round-trip price found within the last 5 days was $237 on Delta (Feb 16-Feb 20).
How far ahead should I book a flight from Montana to San Diego?
To ensure you get the cheapest price possible for a flight from Montana to San Diego, you should look to book at least 49 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.
Related info for your journey
Find useful and relevant information for your journey from Montana to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove
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Alternative routes for Montana to San Diego
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Complete your trip
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Search flights from Montana to San Diego by cabin class
Find flights from Montana to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Montana and San Diego flights
Browse other Montana and San Diego flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Montana to San Diego flights
Consider these flights traveling from Montana to San Diego.
Top 4 airlines flying from Montana to San Diego
Discover the top 4 airlines that operate flights from Montana to San Diego. 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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$105 | Average$428 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$364 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$159 | Average$398 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$218 | Average$340 | FlexibilityNo cancel fee | On-time63% |