$398+ 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — DUB
Sep 1 — Sep 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Montana to Ireland 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Montana to Ireland
Cheapest
Best
Last-minute
One-way
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 2, 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 2, 2026.
This Delta deal was found by Cheapflights users on 7/31. 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.
Mon 11/168:30 am
MSO
- DUB
1 stop16h 25m
Delta
Fri 11/275:45 am
DUB
- MSO
2 stops24h 05m
Delta
Deal found 7/31![Delta logo]()
$741
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 11/156:28 am
HLN
- DUB
2 stops20h 52m
United Airlines
Wed 11/189:30 am
DUB
- HLN
2 stops19h 01m
United Airlines
Deal found 7/31![United Airlines logo]()
$749
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 9/2212:35 pm
FCA
- DUB
1 stop14h 10m
United Airlines
Tue 9/299:20 am
DUB
- FCA
2 stops33h 08m
United Airlines
Deal found 7/30![United Airlines logo]()
$749
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sun 11/156:15 am
MSO
- DUB
2 stops21h 05m
United Airlines
Fri 11/279:00 am
DUB
- MSO
2 stops19h 47m
United Airlines
Deal found 7/29![United Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Mon 10/1212:21 pm
MSO
- DUB
1 stop14h 24m
United Airlines
Tue 10/209:50 am
DUB
- MSO
2 stops37h 30m
United Airlines
Deal found 7/31![United Airlines logo]()
$753
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 10/34:19 pm
BZN
- DUB
2 stops32h 01m
United Airlines
Tue 10/209:50 am
DUB
- BZN
2 stops40h 22m
United Airlines
Deal found 7/30![United Airlines logo]()
$758
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/279:45 am
BTM
- DUB
2 stops39h 30m
United Airlines
Fri 10/169:20 am
DUB
- BTM
2 stops44h 10m
United Airlines
Deal found 7/28![United Airlines logo]()
$762
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/276:25 am
HLN
- DUB
2 stops20h 20m
United Airlines
Wed 10/219:20 am
DUB
- HLN
2 stops42h 58m
United Airlines
Deal found 7/28![United Airlines logo]()
$763
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:27 pm
MSO
- DUB
2 stops22h 13m
American Airlines
Tue 10/612:40 pm
DUB
- MSO
1 stop31h 35m
American Airlines
Deal found 7/30![American Airlines logo]()
$764
This Delta deal was found by Cheapflights users on 7/30. 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 9/216:00 am
MSO
- DUB
2 stops21h 45m
Delta
Tue 10/68:55 am
DUB
- MSO
2 stops17h 59m
Delta
Deal found 7/30![Delta logo]()
$769
This United Airlines deal was found by Cheapflights users on 7/28. 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 10/32:30 pm
HLN
- DUB
2 stops33h 50m
United Airlines
Wed 10/219:20 am
DUB
- HLN
2 stops42h 58m
United Airlines
Deal found 7/28![United Airlines logo]()
$774
This Delta deal was found by Cheapflights users on 7/28. 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 9/271:37 pm
BZN
- DUB
1 stop11h 18m
Delta
Thu 10/225:55 am
DUB
- BZN
2 stops25h 02m
Delta
Deal found 7/28![Delta logo]()
$776
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 2, 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 2, 2026.
This United Airlines deal was found by Cheapflights users on 7/30. 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 1/610:00 am
BTM
- DUB
2 stops14h 10m
United Airlines
Thu 1/149:00 am
DUB
- BTM
2 stops44h 27m
United Airlines
Deal found 7/30![United Airlines logo]()
$721
This Delta deal was found by Cheapflights users on 7/28. 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 1/66:00 am
BZN
- DUB
1 stop18h 55m
Delta
Fri 1/155:45 am
DUB
- BZN
2 stops23h 36m
Delta
Deal found 7/28![Delta logo]()
$741
This United deal was found by Cheapflights users on 7/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:07 am
BIL
- DUB
2 stops19h 38m
Multiple Airlines
Fri 8/289:20 am
DUB
- BIL
2 stops43h 47m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$845
This KLM deal was found by Cheapflights users on 7/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:24 pm
BIL
- DUB
2 stops21h 01m
KLM
Fri 8/2812:00 pm
DUB
- BIL
1 stop18h 30m
KLM
Deal found 7/29![KLM logo]()
$876
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:50 pm
FCA
- DUB
1 stop12h 00m
American Airlines
Mon 9/79:30 am
DUB
- FCA
1 stop13h 40m
American Airlines
Deal found 7/29![American Airlines logo]()
$909
This Justfly.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/64:00 pm
BZN
- SNN
2 stops17h 45m
British Airways
Fri 1/157:50 am
SNN
- BZN
2 stops23h 09m
British Airways
Deal found 8/1![British Airways logo]()
$1,022
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 1/56:15 am
MSO
- DUB
2 stops41h 55m
United Airlines
Thu 1/149:00 am
DUB
- MSO
2 stops43h 26m
United Airlines
Deal found 7/29![United Airlines logo]()
$726
This Delta deal was found by Cheapflights users on 7/29. 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 1/68:00 am
MSO
- DUB
1 stop16h 55m
Delta
Thu 1/145:45 am
DUB
- MSO
2 stops18h 42m
Delta
Deal found 7/29![Delta logo]()
$741
This United Airlines deal was found by Cheapflights users on 7/29. 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 1/66:15 am
MSO
- DUB
2 stops17h 55m
United Airlines
Thu 1/149:00 am
DUB
- MSO
2 stops43h 26m
United Airlines
Deal found 7/29![United Airlines logo]()
$726
This Delta deal was found by Cheapflights users on 7/29. 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 1/68:00 am
MSO
- DUB
1 stop16h 55m
Delta
Fri 1/155:45 am
DUB
- MSO
2 stops21h 27m
Delta
Deal found 7/29![Delta logo]()
$741
This Delta deal was found by Cheapflights users on 7/30. 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.
Sun 1/36:00 am
BZN
- DUB
1 stop18h 55m
Delta
Tue 1/129:55 am
DUB
- BZN
1 stop21h 03m
Delta
Deal found 7/30![Delta logo]()
$744
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 9/2212:35 pm
FCA
- DUB
1 stop14h 10m
United Airlines
Tue 9/299:20 am
DUB
- FCA
2 stops33h 08m
United Airlines
Deal found 7/30![United Airlines logo]()
$749
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:50 pm
FCA
- DUB
1 stop12h 00m
Multiple Airlines
Mon 9/711:45 am
DUB
- FCA
2 stops18h 11m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$929
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/511:39 am
BZN
- SNN
2 stops16h 51m
American Airlines
Thu 1/147:50 am
SNN
- BZN
2 stops21h 12m
American Airlines
Deal found 7/30![American Airlines logo]()
$936
This Delta deal was found by Cheapflights users on 7/30. 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 1/46:00 am
BZN
- DUB
1 stop18h 55m
Delta
Thu 1/149:55 am
DUB
- BZN
1 stop21h 03m
Delta
Deal found 7/30![Delta logo]()
$744
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sun 11/156:15 am
MSO
- DUB
2 stops21h 05m
United Airlines
Fri 11/279:00 am
DUB
- MSO
2 stops19h 47m
United Airlines
Deal found 7/29![United Airlines logo]()
$751
This Justfly.com deal was found by Cheapflights users on 7/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/511:16 am
BZN
- SNN
2 stops17h 14m
British Airways
Fri 1/157:50 am
SNN
- BZN
2 stops23h 09m
British Airways
Deal found 7/28![British Airways logo]()
$1,041
This KAYAK deal was found by Cheapflights users on 7/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/42:33 pm
BZN
- SNN
2 stops19h 12m
Multiple Airlines
Thu 1/148:05 pm
SNN
- BZN
2 stops32h 02m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$985
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/71:43 pm
BZN
- SNN
2 stops14h 47m
American Airlines
Fri 1/157:50 am
SNN
- BZN
2 stops21h 12m
American Airlines
Deal found 7/30![American Airlines logo]()
$986
This Delta deal was found by Cheapflights users on 7/29. 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.
Tue 1/55:45 am
HLN
- DUB
2 stops25h 45m
Delta
Fri 1/155:45 am
DUB
- HLN
2 stops23h 56m
Delta
Deal found 7/29![Delta logo]()
$745
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Mon 10/1212:21 pm
MSO
- DUB
1 stop14h 24m
United Airlines
Tue 10/209:50 am
DUB
- MSO
2 stops37h 30m
United Airlines
Deal found 7/31![United Airlines logo]()
$753
This Delta deal was found by Cheapflights users on 7/28. 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.
Tue 1/57:00 pm
BZN
- DUB
2 stops29h 55m
Delta
Fri 1/155:45 am
DUB
- BZN
2 stops23h 36m
Delta
Deal found 7/28![Delta logo]()
$745
This United Airlines deal was found by Cheapflights users on 7/28. 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 10/39:45 am
BTM
- DUB
2 stops39h 30m
United Airlines
Thu 10/229:50 am
DUB
- BTM
2 stops43h 40m
United Airlines
Deal found 7/28![United Airlines logo]()
$762
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/31:34 pm
BZN
- SNN
2 stops38h 56m
American Airlines
Thu 1/147:50 am
SNN
- BZN
2 stops21h 12m
American Airlines
Deal found 7/30![American Airlines logo]()
$1,019
This KAYAK deal was found by Cheapflights users on 7/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/42:33 pm
BZN
- SNN
2 stops19h 12m
Multiple Airlines
Fri 1/157:50 am
SNN
- BZN
2 stops20h 17m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$1,029
This Delta deal was found by Cheapflights users on 7/28. 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 1/45:40 am
MSO
- DUB
2 stops19h 15m
Delta
Fri 1/155:45 am
DUB
- MSO
2 stops21h 27m
Delta
Deal found 7/28![Delta logo]()
$745
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/279:45 am
BTM
- DUB
2 stops39h 30m
United Airlines
Thu 10/229:50 am
DUB
- BTM
2 stops43h 40m
United Airlines
Deal found 7/28![United Airlines logo]()
$762
This Delta deal was found by Cheapflights users on 7/28. 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 1/45:40 am
MSO
- DUB
2 stops19h 15m
Delta
Thu 1/148:50 am
DUB
- MSO
2 stops39h 37m
Delta
Deal found 7/28![Delta logo]()
$745
This United Airlines deal was found by Cheapflights users on 7/28. 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 10/32:30 pm
HLN
- DUB
2 stops33h 50m
United Airlines
Wed 10/219:20 am
DUB
- HLN
2 stops42h 58m
United Airlines
Deal found 7/28![United Airlines logo]()
$774
This Arangrant deal was found by Cheapflights users on 7/29. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:20 am
BZN
- SNN
2 stops18h 00m
British Airways
Mon 10/265:30 pm
SNN
- BZN
2 stops35h 39m
British Airways
Deal found 7/29![British Airways logo]()
$1,398
Last-minute flights from Montana to IrelandDiscover last-minute flight deals from Montana to Ireland. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to Ireland. Data last updated August 2, 2026 and is based on user searches.
This United deal was found by Cheapflights users on 7/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:07 am
BIL
- DUB
2 stops19h 38m
Multiple Airlines
Fri 8/289:20 am
DUB
- BIL
2 stops43h 47m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$845
This KLM deal was found by Cheapflights users on 7/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:24 pm
BIL
- DUB
2 stops21h 01m
KLM
Fri 8/2812:00 pm
DUB
- BIL
1 stop18h 30m
KLM
Deal found 7/29![KLM logo]()
$876
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:13 pm
BIL
- DUB
1 stop13h 32m
American Airlines
Fri 8/2812:40 pm
DUB
- BIL
1 stop17h 07m
American Airlines
Deal found 7/29![American Airlines logo]()
$901
This Delta deal was found by Cheapflights users on 7/29. 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.
Sun 8/236:20 am
FCA
- DUB
2 stops19h 00m
Delta
Wed 9/28:55 am
DUB
- FCA
2 stops22h 01m
Delta
Deal found 7/29![Delta logo]()
$873
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/266:15 am
HLN
- DUB
2 stops18h 30m
United Airlines
Tue 9/19:50 am
DUB
- HLN
2 stops42h 40m
United Airlines
Deal found 7/29![United Airlines logo]()
$781
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/266:15 am
HLN
- DUB
2 stops18h 30m
United Airlines
Mon 8/319:50 am
DUB
- HLN
2 stops34h 55m
United Airlines
Deal found 7/29![United Airlines logo]()
$831
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:11 pm
MSO
- DUB
2 stops34h 34m
United Airlines
Fri 10/239:20 am
DUB
- MSO
2 stops33h 04m
United Airlines
Deal found 8/1![United Airlines logo]()
$881
This KLM deal was found by Cheapflights users on 7/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:27 am
BZN
- DUB
1 stop13h 28m
KLM
Wed 9/911:10 am
DUB
- BZN
2 stops19h 09m
KLM
Deal found 7/29![KLM logo]()
$857
This Delta deal was found by Cheapflights users on 7/29. 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.
Sun 8/306:00 am
MSO
- DUB
1 stop18h 55m
Delta
Fri 10/235:55 am
DUB
- MSO
2 stops20h 59m
Delta
Deal found 7/29![Delta logo]()
$899
This Delta deal was found by Cheapflights users on 7/29. 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.
Sun 8/306:00 am
MSO
- DUB
1 stop18h 55m
Delta
Wed 10/2110:00 am
DUB
- MSO
1 stop16h 54m
Delta
Deal found 7/29![Delta logo]()
$903
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/316:15 am
MSO
- DUB
2 stops42h 05m
United Airlines
Fri 10/239:20 am
DUB
- MSO
2 stops33h 04m
United Airlines
Deal found 7/29![United Airlines logo]()
$846
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/312:40 pm
MSO
- DUB
2 stops33h 40m
United Airlines
Tue 10/201:35 pm
DUB
- MSO
2 stops28h 49m
United Airlines
Deal found 7/29![United Airlines logo]()
$873
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 2, 2026.
Search for one-way flight options from Montana to Ireland. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/257:00 am
HLN
- DUB
2 stops19h 55m
United Airlines
Deal found 8/1![United Airlines logo]()
$398
This Air France deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/241:09 pm
HLN
- DUB
2 stops35h 46m
Air France
Deal found 8/1![Air France logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 10/92:03 pm
FCA
- DUB
3 stops27h 27m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$424
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:17 pm
BZN
- DUB
1 stop13h 03m
JetBlue
Deal found 7/30![JetBlue logo]()
$475
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:21 pm
BZN
- DUB
1 stop14h 49m
United Airlines
Deal found 8/1![United Airlines logo]()
$513
This United Airlines deal was found by Cheapflights users on 7/30. 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 10/912:26 pm
FCA
- DUB
1 stop14h 19m
United Airlines
Deal found 7/30![United Airlines logo]()
$513
This Gurufare deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/234:18 pm
HLN
- DUB
2 stops56h 37m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$518
This KAYAK deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:55 pm
BZN
- DUB
1 stop33h 15m
Aer Lingus
Deal found 8/2![Aer Lingus logo]()
$523
This KAYAK deal was found by Cheapflights users on 7/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/74:50 pm
FCA
- DUB
1 stop29h 20m
Aer Lingus
Deal found 7/31![Aer Lingus logo]()
$523
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/205:45 am
HLN
- DUB
2 stops21h 00m
Delta
Deal found 8/1![Delta logo]()
$532
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:45 am
HLN
- DUB
2 stops43h 00m
Delta
Deal found 8/1![Delta logo]()
$557
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/244:18 pm
HLN
- DUB
3 stops33h 37m
Multiple Airlines
Deal found 8/1![Multiple Airlines 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 2, 2026.
Most accurate provider | BusinessClass 3 stars |
|---|---|
Most trusted provider | BusinessClass 3 stars |
Round-trip from | $721 (United Airlines) |
One-way from | $398 (United Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $986 |
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 2,558,603 searches. Data last updated August 2, 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
ButteDublin
BTM - DUB
BTMDUB
Butte Silver Bow Co
Wed 1/6
10:00 am-7:10 am
2 stops14h 10m
Dublin
Thu 1/14
9:00 am-10:27 pm
2 stops44h 27m
$721
MissoulaDublin
MSO - DUB
MSODUB
Missoula Johnson-Bell Field
Tue 1/5
6:15 am-7:10 am
2 stops41h 55m
Dublin
Thu 1/14
9:00 am-9:26 pm
2 stops43h 26m
$726
MissoulaDublin
MSO - DUB
MSODUB
Missoula Johnson-Bell Field
Wed 1/6
6:15 am-7:10 am
2 stops17h 55m
Dublin
Thu 1/14
9:00 am-9:26 pm
2 stops43h 26m
$726
BozemanDublin
BZN - DUB
BZNDUB
Bozeman Gallatin Field
Wed 1/6
6:00 am-7:55 am
1 stop18h 55m
Dublin
Fri 1/15
5:45 am-10:21 pm
2 stops23h 36m
$741
MissoulaDublin
MSO - DUB
MSODUB
Missoula Johnson-Bell Field
Wed 1/6
8:00 am-7:55 am
1 stop16h 55m
Dublin
Thu 1/14
5:45 am-5:27 pm
2 stops18h 42m
$741
MissoulaDublin
MSO - DUB
MSODUB
Missoula Johnson-Bell Field
Wed 1/6
8:00 am-7:55 am
1 stop16h 55m
Dublin
Fri 1/15
5:45 am-8:12 pm
2 stops21h 27m
$741
BozemanDublin
BZN - DUB
BZNDUB
Bozeman Gallatin Field
Sun 1/3
6:00 am-7:55 am
1 stop18h 55m
Dublin
Tue 1/12
9:55 am-11:58 pm
1 stop21h 03m
$744
BozemanDublin
BZN - DUB
BZNDUB
Bozeman Gallatin Field
Mon 1/4
6:00 am-7:55 am
1 stop18h 55m
Dublin
Thu 1/14
9:55 am-11:58 pm
1 stop21h 03m
$744
HelenaDublin
HLN - DUB
HLNDUB
Helena
Tue 1/5
5:45 am-2:30 pm
2 stops25h 45m
Dublin
Fri 1/15
5:45 am-10:41 pm
2 stops23h 56m
$745
BozemanDublin
BZN - DUB
BZNDUB
Bozeman Gallatin Field
Tue 1/5
7:00 pm-7:55 am
2 stops29h 55m
Dublin
Fri 1/15
5:45 am-10:21 pm
2 stops23h 36m
$745
Showing 1-10 of 43 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.
HLN-DUB
BIL-DUB
MSO-DUB
BZN-DUB
FCA-DUB
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
HLN-DUB
BIL-DUB
MSO-DUB
BZN-DUB
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Montana to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Top regions
Alternative routes for Montana to Ireland
See prices for flight routes from nearby airports that may be better suited for you.
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
Find flights from Montana to Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Montana and Ireland flights
Browse other Montana and Ireland flight options. Last updated on August 2, 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
Consider these flights traveling from Montana to Ireland.
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 2,558,603 searches. Data last updated August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$430 | Average$715 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$484 | Average$781 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$600 | Average$924 | FlexibilityNo cancel fee | On-time71% |