$380+ Cheap flights from Montana to Ireland
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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — DUB
Sep 30 — Oct 71
Round-trip
1 adult, Economy
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Find cheap flights from Montana to Ireland with Cheapflights
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Cheapest flights from Montana to IrelandExplore the most affordable flight options available from Montana to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 31, 2026.
Explore the most affordable flight options available from Montana to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 31, 2026.
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:23 pm -
2 stops17h 42m
Wed 11/1812:55 pm -
1 stop14h 45m
Deal found 8/31![American Airlines logo]()
$738
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:34 am -
2 stops18h 11m
Wed 11/185:45 am -
2 stops23h 35m
Deal found 8/31![Delta logo]()
$747
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Sun 10/188:00 am -
1 stop18h 45m
Tue 11/31:35 pm -
2 stops29h 10m
Deal found 8/28![United Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Sun 11/1512:48 pm -
1 stop12h 22m
Sun 11/229:00 am -
2 stops43h 30m
Deal found 8/28![United Airlines logo]()
$769
This United Airlines deal was found by Cheapflights users on 8/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:38 am -
1 stop16h 32m
Wed 10/219:20 am -
2 stops42h 44m
Deal found 8/30![United Airlines logo]()
$801
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/182:00 pm -
1 stop10h 55m
Tue 11/39:40 am -
1 stop34h 39m
Deal found 8/28![Delta logo]()
$810
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/1311:38 am -
1 stop15h 37m
Tue 10/2012:30 pm -
2 stops30h 15m
Deal found 8/28![United Airlines logo]()
$818
This Delta deal was found by Cheapflights users on 8/30. 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.
Wed 10/146:00 am -
1 stop18h 55m
Wed 10/2110:00 am -
1 stop20h 57m
Deal found 8/30![Delta logo]()
$828
This United Airlines deal was found by Cheapflights users on 8/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:15 am -
2 stops21h 55m
Wed 10/219:20 am -
2 stops43h 12m
Deal found 8/30![United Airlines logo]()
$834
This Booking.com deal was found by Cheapflights users on 8/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:00 am -
2 stops18h 15m
Sun 10/189:20 am -
2 stops42h 50m
Deal found 8/27![Air Canada logo]()
$842
This United deal was found by Cheapflights users on 8/30. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:00 am -
2 stops21h 10m
Fri 10/99:20 am -
2 stops44h 31m
Deal found 8/30![Multiple Airlines logo]()
$855
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/166:00 am -
2 stops21h 00m
Tue 11/38:50 am -
2 stops18h 04m
Deal found 8/31![Delta logo]()
$865
Best flights from Montana to IrelandDiscover carefully curated flight deals from Montana to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
Discover carefully curated flight deals from Montana to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
This United Airlines deal was found by Cheapflights users on 8/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/177:00 am -
2 stops17h 30m
Thu 1/219:00 am -
2 stops42h 59m
Deal found 8/30![United Airlines logo]()
$728
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:34 am -
2 stops18h 11m
Wed 11/185:45 am -
2 stops23h 35m
Deal found 8/31![Delta logo]()
$747
This United deal was found by Cheapflights users on 8/30. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:00 am -
2 stops21h 10m
Fri 10/99:20 am -
2 stops44h 31m
Deal found 8/30![Multiple Airlines logo]()
$855
This Cheapflightsfares deal was found by Cheapflights users on 8/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:50 pm -
2 stops19h 55m
Fri 12/47:50 am -
2 stops23h 09m
Deal found 8/29![British Airways logo]()
$976
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Sun 10/188:00 am -
1 stop18h 45m
Tue 11/31:35 pm -
2 stops29h 10m
Deal found 8/28![United Airlines logo]()
$751
This Delta deal was found by Cheapflights users on 8/30. 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.
Wed 10/146:00 am -
1 stop18h 55m
Wed 10/2110:00 am -
1 stop20h 57m
Deal found 8/30![Delta logo]()
$828
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Mon 1/186:15 am -
2 stops18h 55m
Fri 1/2210:40 am -
2 stops17h 46m
Deal found 8/26![United Airlines logo]()
$755
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Mon 1/254:15 pm -
2 stops32h 55m
Fri 1/299:30 am -
3 stops34h 53m
Deal found 8/29![United Airlines logo]()
$755
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/166:00 am -
2 stops21h 00m
Tue 11/38:50 am -
2 stops18h 04m
Deal found 8/31![Delta logo]()
$865
This BusinessClass deal was found by Cheapflights users on 8/29. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:55 pm -
2 stops19h 50m
Tue 12/152:00 pm -
2 stops29h 52m
Deal found 8/29![British Airways logo]()
$1,036
This Delta deal was found by Cheapflights users on 8/27. 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 9/168:25 am -
2 stops18h 35m
Tue 11/35:45 am -
2 stops23h 53m
Deal found 8/27![Delta logo]()
$865
This United Airlines deal was found by Cheapflights users on 8/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:38 am -
1 stop16h 32m
Wed 10/219:20 am -
2 stops42h 44m
Deal found 8/30![United Airlines logo]()
$801
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/1310:35 am -
2 stops16h 40m
Tue 10/2012:30 pm -
2 stops28h 16m
Deal found 8/28![United Airlines logo]()
$818
This Delta deal was found by Cheapflights users on 8/29. 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.
Sat 9/266:00 am -
1 stop18h 55m
Sat 10/312:00 pm -
1 stop18h 42m
Deal found 8/29![Delta logo]()
$938
This Ovago deal was found by Cheapflights users on 8/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:26 pm -
1 stop14h 19m
Tue 11/34:45 pm -
2 stops30h 19m
Deal found 8/30![Multiple Airlines logo]()
$1,251
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Wed 9/166:15 am -
2 stops21h 25m
Tue 11/310:40 am -
2 stops17h 51m
Deal found 8/27![United Airlines logo]()
$869
This BusinessClass deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:55 pm -
2 stops38h 25m
Mon 10/268:05 pm -
2 stops33h 04m
Deal found 8/31![British Airways logo]()
$1,394
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Wed 9/1611:40 am -
1 stop12h 50m
Tue 11/31:35 pm -
2 stops29h 47m
Deal found 8/29![United Airlines logo]()
$869
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:13 pm -
2 stops15h 27m
Fri 9/189:20 am -
2 stops43h 01m
Deal found 8/31![United Airlines logo]()
$892
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Sat 9/2612:21 pm -
1 stop14h 24m
Sat 10/39:20 am -
2 stops43h 12m
Deal found 8/29![United Airlines logo]()
$911
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:15 am -
3 stops20h 30m
Mon 10/268:00 am -
2 stops43h 47m
Deal found 8/31![United Airlines logo]()
$926
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Sun 12/206:00 am -
2 stops44h 55m
Fri 1/19:00 am -
2 stops35h 33m
Deal found 8/28![United Airlines logo]()
$1,105
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Tue 11/1710:15 am -
2 stops17h 05m
Fri 11/2010:40 am -
2 stops19h 03m
Deal found 8/26![United Airlines logo]()
$1,185
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Sun 11/1510:15 am -
2 stops14h 55m
Wed 11/1812:05 pm -
2 stops17h 38m
Deal found 8/28![United Airlines logo]()
$1,185
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Mon 11/166:14 am -
2 stops21h 06m
Fri 11/2010:40 am -
2 stops18h 11m
Deal found 8/26![United Airlines logo]()
$1,185
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Mon 12/216:00 am -
2 stops42h 30m
Sat 1/29:00 am -
2 stops38h 22m
Deal found 8/28![United Airlines logo]()
$1,205
Last-minute flights from Montana to IrelandDiscover last-minute flight deals from Montana to Ireland. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to Ireland. Data last updated August 31, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/84:23 pm -
2 stops32h 22m
Sun 11/19:00 am -
2 stops33h 45m
Deal found 8/28![United Airlines logo]()
$890
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Fri 9/1111:40 am -
1 stop12h 50m
Fri 9/189:20 am -
2 stops43h 01m
Deal found 8/28![United Airlines logo]()
$892
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/1512:43 pm -
1 stop14h 02m
Sun 11/19:00 am -
2 stops33h 45m
Deal found 8/28![United Airlines logo]()
$887
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:25 am -
2 stops18h 35m
Tue 11/35:45 am -
2 stops23h 53m
Deal found 8/28![Delta logo]()
$865
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/166:00 am -
2 stops21h 00m
Tue 11/38:50 am -
2 stops18h 04m
Deal found 8/31![Delta logo]()
$865
This Delta deal was found by Cheapflights users on 8/29. 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 9/167:15 am -
2 stops25h 10m
Tue 11/35:45 am -
2 stops23h 39m
Deal found 8/29![Delta logo]()
$866
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:15 am -
2 stops20h 30m
Tue 11/39:30 am -
2 stops19h 01m
Deal found 8/28![United Airlines logo]()
$869
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:54 am -
1 stop18h 51m
Tue 11/39:30 am -
2 stops19h 00m
Deal found 8/28![United Airlines logo]()
$869
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:27 pm -
1 stop13h 18m
Tue 11/31:25 pm -
2 stops30h 11m
Deal found 8/31![American Airlines logo]()
$878
This Air France deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:57 pm -
2 stops19h 28m
Mon 10/51:25 pm -
2 stops39h 59m
Deal found 8/31![Multiple Airlines logo]()
$867
This Delta deal was found by Cheapflights users on 8/30. 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.
Mon 9/286:23 am -
1 stop18h 32m
Mon 10/55:55 am -
2 stops24h 20m
Deal found 8/30![Delta logo]()
$884
This United Airlines deal was found by Cheapflights users on 8/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:00 am -
2 stops20h 40m
Mon 10/59:30 am -
2 stops18h 40m
Deal found 8/30![United Airlines logo]()
$892
One-way flights from Montana to IrelandSearch for one-way flight options from Montana to Ireland. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
Search for one-way flight options from Montana to Ireland. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Mytrip deal was found by Cheapflights users on 8/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:00 pm -
1 stop14h 00m
Deal found 8/27![Multiple Airlines logo]()
$380
This Mytrip deal was found by Cheapflights users on 8/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:16 am -
1 stop17h 44m
Deal found 8/27![Multiple Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 8/29. 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.
Thu 9/249:42 pm -
3 stops43h 48m
Deal found 8/29![Multiple Airlines logo]()
$391
This Booking.com deal was found by Cheapflights users on 8/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:00 pm -
1 stop13h 45m
Deal found 8/27![Multiple Airlines logo]()
$430
This Kiwi.com deal was found by Cheapflights users on 8/30. 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.
Fri 10/3010:20 am -
3 stops32h 00m
Deal found 8/30![Multiple Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:00 am -
2 stops18h 55m
Deal found 8/28![Delta logo]()
$463
This United Airlines deal was found by Cheapflights users on 8/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:28 pm -
2 stops59h 42m
Deal found 8/30![United Airlines logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 8/30. 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.
Fri 10/303:56 pm -
3 stops45h 24m
Deal found 8/30![Multiple Airlines logo]()
$528
This FlightHub deal was found by Cheapflights users on 8/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:55 pm -
2 stops19h 50m
Deal found 8/30![British Airways logo]()
$593
Find flight deals from Montana to Ireland
Keep the following information in mind while searching for Montana to Ireland flight deals. Data was last updated August 31, 2026.
Most accurate provider | BusinessClass 3 stars |
|---|---|
Most trusted provider | BusinessClass 3 stars |
Round-trip from | $728 (United Airlines) |
One-way from | $380 (Mytrip) |
Popular in | July |
Cheapest in | April |
Average price | $1,182 |
Cheapflights Fare Finder
Customize your flight search to find flights from Montana to Ireland 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 August 31, 2026.
Use the filters below to find and compare flights from Montana to Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HelenaDublin
HLN Helena - DUB Dublin
HLNDUB
Helena
Sun 1/17
7:00 am-7:30 am
2 stops17h 30m
Dublin
Thu 1/21
9:00 am-8:59 pm
2 stops42h 59m
$728
BillingsDublin
BIL Billings Logan Intl - DUB Dublin
BILDUB
Billings Logan Intl
Wed 11/11
6:34 am-7:45 am
2 stops18h 11m
Dublin
Wed 11/18
5:45 am-10:20 pm
2 stops23h 35m
$747
BozemanDublin
BZN Bozeman Gallatin Field - DUB Dublin
BZNDUB
Bozeman Gallatin Field
Sun 10/18
8:00 am-9:45 am
1 stop18h 45m
Dublin
Tue 11/3
1:35 pm-11:45 am
2 stops29h 10m
$751
MissoulaDublin
MSO Missoula Johnson-Bell Field - DUB Dublin
MSODUB
Missoula Johnson-Bell Field
Mon 1/18
6:15 am-8:10 am
2 stops18h 55m
Dublin
Fri 1/22
10:40 am-9:26 pm
2 stops17h 46m
$755
BillingsDublin
BIL Billings Logan Intl - DUB Dublin
BILDUB
Billings Logan Intl
Mon 1/25
4:15 pm-8:10 am
2 stops32h 55m
Dublin
Fri 1/29
9:30 am-1:23 pm
3 stops34h 53m
$755
BozemanDublin
BZN Bozeman Gallatin Field - DUB Dublin
BZNDUB
Bozeman Gallatin Field
Wed 10/14
11:38 am-11:10 am
1 stop16h 32m
Dublin
Wed 10/21
9:20 am-9:04 pm
2 stops42h 44m
$801
BozemanShannon
BZN Bozeman Gallatin Field - SNN Shannon
BZNSNN
Bozeman Gallatin Field
Tue 10/13
10:35 am-10:15 am
2 stops16h 40m
Shannon
Tue 10/20
12:30 pm-9:46 am
2 stops28h 16m
$818
BozemanDublin
BZN Bozeman Gallatin Field - DUB Dublin
BZNDUB
Bozeman Gallatin Field
Wed 10/14
6:00 am-7:55 am
1 stop18h 55m
Dublin
Wed 10/21
10:00 am-11:57 pm
1 stop20h 57m
$828
BillingsDublin
BIL Billings Logan Intl - DUB Dublin
BILDUB
Billings Logan Intl
Fri 10/2
7:00 am-11:10 am
2 stops21h 10m
Dublin
Fri 10/9
9:20 am-10:51 pm
2 stops44h 31m
$855
MissoulaDublin
MSO Missoula Johnson-Bell Field - DUB Dublin
MSODUB
Missoula Johnson-Bell Field
Wed 9/16
6:00 am-10:00 am
2 stops21h 00m
Dublin
Tue 11/3
8:50 am-7:54 pm
2 stops18h 04m
$865
Showing 1-10 of 36 resultsSorted by cheapest first
Best time to book a flight from Montana to Ireland
Have a flexible travel schedule? Discover the best time to fly to Ireland from Montana with our price prediction graph.
BZN-DUB
MSO-DUB
HLN-DUB
BIL-DUB
BZN-SNN
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 Ireland
USMT-IE0
BZN-DUB
MSO-DUB
HLN-DUB
BIL-DUB
No data available for this route at this time. Please check back soon.
Related info for your journey
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Alternative routes for Montana to Ireland
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Complete your trip
Complete your trip to Ireland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Montana to Ireland by cabin class
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Montana and Ireland flights
Browse other Montana and Ireland flight options. Last updated on August 31, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Ireland
Find the right flight back to Montana after your stay in Ireland
Montana to Ireland flights
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Fly to Ireland regions
Consider these flights traveling to Ireland regions.
Top 3 airlines flying from Montana to Ireland
Discover the top 3 airlines that operate flights from Montana to Ireland. 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 August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$430 | Average$715 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$484 | Average$803 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$600 | Average$903 | FlexibilityNo cancel fee | On-time71% |