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Find cheap flights from Montana to Ireland from $449

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Montana to Ireland departing on 7/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 5/29
Wed 6/5

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In the last 7 days travelers have searched 43,983,279 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

September

Cheapest flight

$449
Best time to beat the crowds with an average 13% drop in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Billings to Dublin

FAQs for booking flights from Montana to Ireland

  • How does KAYAK find such low prices on flights from Montana to Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Montana to Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Montana to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ireland from Montana is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Montana to Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ireland with an airline and back to Montana with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Montana to Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ireland from Montana up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Montana to Ireland

Recent round-trip flight deals

9/10Tue
2 stopsAmerican Airlines
21h 21mFCA-DUB
9/24Tue
1 stopAmerican Airlines
34h 06mDUB-FCA
$822
9/10Tue
2 stopsUnited Airlines
14h 38mFCA-DUB
9/24Tue
2 stopsUnited Airlines
28h 36mDUB-FCA
$826
10/9Wed
2 stopsDelta
22h 15mFCA-DUB
10/22Tue
2 stopsDelta
19h 34mDUB-FCA
$901
10/12Sat
2 stopsLufthansa
45h 10mBZN-DUB
10/19Sat
2 stopsLufthansa
35h 42mDUB-BZN
$917
10/26Sat
2 stopsLufthansa
20h 10mBIL-DUB
11/1Fri
2 stopsLufthansa
32h 51mDUB-BIL
$941
10/1Tue
2 stops
20h 20mFCA-DUB
10/19Sat
2 stops
31h 16mDUB-FCA
$972
6/11Tue
2 stopsDelta
22h 15mBZN-SNN
6/27Thu
2 stopsDelta
32h 25mSNN-BZN
$1,005
6/1Sat
2 stopsAir Canada
42h 30mBIL-DUB
7/1Mon
2 stopsAir Canada
42h 19mDUB-BIL
$1,220
10/26Sat
3 stops
19h 00mBIL-DUB
11/1Fri
2 stops
35h 13mDUB-BIL
$1,252
10/26Sat
3 stopsAir Canada
19h 00mBIL-DUB
11/1Fri
3 stopsAir Canada
31h 51mDUB-BIL
$1,274

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Recent one-way flight deals

7/18Thu
2 stops
29h 10mBIL-DUB
$449
7/18Thu
3 stops
38h 15mBIL-DUB
$484
7/14Sun
3 stops
51h 00mBIL-DUB
$486
7/13Sat
2 stops
41h 10mBIL-DUB
$556
7/17Wed
2 stops
16h 15mBIL-DUB
$578
7/13Sat
3 stops
39h 05mBIL-DUB
$596
7/16Tue
2 stopsDelta
22h 10mBIL-DUB
$697
8/22Thu
1 stopUnited Airlines
12h 55mBZN-DUB
$747
7/13Sat
1 stopAir France
13h 45mBIL-DUB
$747
7/12Fri
1 stopAmerican Airlines
15h 54mBIL-DUB
$812

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Last minute flights from Montana to Ireland

Last minute flight, train and bus deals

5/1Wed
multi-stopUnited Airlines
20h 14mBIL-DUB
5/10Fri
multi-stopUnited Airlines
34h 25mDUB-BIL
$1,221
5/1Wed
multi-stopAmerican Airlines
19h 45mBIL-DUB
5/10Fri
multi-stopAmerican Airlines
15h 29mDUB-BIL
$1,242
5/1Wed
multi-stopAmerican Airlines
12h 47mBIL-DUB
5/10Fri
multi-stopAmerican Airlines
32h 28mDUB-BIL
$1,245
4/30Tue
multi-stopDelta
19h 45mFCA-DUB
5/17Fri
multi-stopDelta
19h 53mDUB-FCA
$1,247
5/1Wed
multi-stop
18h 09mBIL-DUB
5/10Fri
multi-stop
34h 25mDUB-BIL
$1,537
4/30Tue
multi-stop
20h 25mFCA-DUB
5/17Fri
multi-stop
31h 57mDUB-FCA
$1,537
5/1Wed
multi-stop
18h 09mBIL-DUB
5/10Fri
multi-stop
30h 51mDUB-BIL
$1,559
5/1Wed
multi-stopAir Canada
18h 09mBIL-DUB
5/10Fri
multi-stopAir Canada
18h 10mDUB-BIL
$1,869
5/1Wed
multi-stopAir Canada
18h 09mBIL-DUB
5/10Fri
multi-stopAir Canada
18h 10mDUB-BIL
$8,522

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Flights to Ireland

Return flight deals:

Ireland - Montana

Cabin classes: