Cheap flights from Montana to Ireland from $343

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Ireland departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:04 pm - 11:05 am
BZN
-
DUB
37h 01m
2 stops
Multiple Airlines Logo
2:15 pm - 11:22 pm
DUB
-
BZN
40h 07m
2 stops
$492Multiple Airlines
Wed, Jul 29 - Thu, Aug 6
United Airlines Logo
4:05 pm - 9:45 am
BZN
-
DUB
34h 40m
1 stop
United Airlines Logo
9:50 am - 6:23 pm
DUB
-
BZN
39h 33m
2 stops
$673United Airlines
Sun, Aug 16 - Thu, Aug 20
Delta Logo
6:59 am - 6:25 pm
FCA
-
DUB
28h 26m
2 stops
Delta Logo
11:10 am - 11:46 pm
DUB
-
FCA
19h 36m
2 stops
$731Delta
Mon, Aug 24 - Thu, Sep 3
Delta Logo
6:59 am - 6:25 pm
FCA
-
DUB
28h 26m
2 stops
Delta Logo
12:00 pm - 11:46 pm
DUB
-
FCA
18h 46m
1 stop
$734Delta
Mon, Aug 24 - Thu, Sep 3
KLM Logo
2:53 pm - 8:45 am
BZN
-
DUB
34h 52m
1 stop
KLM Logo
8:55 am - 8:11 pm
DUB
-
BZN
18h 16m
2 stops
$751KLM
Mon, Apr 20 - Tue, May 5
Air Canada Logo
6:00 pm - 8:15 am
BIL
-
DUB
55h 15m
2 stops
Air Canada Logo
9:20 am - 9:41 am
DUB
-
BIL
31h 21m
2 stops
$757Air Canada
Fri, Jul 31 - Fri, Aug 14
Air Canada Logo
7:00 am - 7:45 am
BIL
-
DUB
17h 45m
2 stops
Air Canada Logo
9:50 am - 9:00 pm
DUB
-
BIL
42h 10m
2 stops
$778Air Canada
Mon, Jul 27 - Mon, Aug 10
KLM Logo
12:50 pm - 10:25 pm
HLN
-
DUB
26h 35m
2 stops
KLM Logo
5:20 pm - 10:34 pm
DUB
-
HLN
36h 14m
2 stops
$849KLM
Wed, Aug 26 - Tue, Sep 1
American Airlines Logo
6:00 am - 9:45 am
BIL
-
DUB
20h 45m
1 stop
American Airlines Logo
12:40 pm - 10:43 pm
DUB
-
BIL
17h 03m
1 stop
$856American Airlines
Fri, May 8 - Fri, May 15
American Airlines Logo
1:43 pm - 4:10 pm
BZN
-
SNN
19h 27m
2 stops
American Airlines Logo
2:30 pm - 12:53 pm
SNN
-
BZN
29h 23m
3 stops
$2,693American Airlines
Sun, Apr 26 - Sun, May 3

KLM flights from Montana to Ireland

Our best KLM deals on Montana to Ireland flight tickets
KLM
Apr 20
BZN2:53 pmBozeman Gallatin Field
34h 52m
1 stop
DUB8:45 amDublin
May 5
DUB8:55 amDublin
18h 16m
2 stops
BZN8:11 pmBozeman Gallatin Field
$751
KLM
Aug 26
HLN12:50 pmHelena
26h 35m
2 stops
DUB10:25 pmDublin
Sep 1
DUB5:20 pmDublin
36h 14m
2 stops
HLN10:34 pmHelena
$849
KLM
Aug 26
HLN12:50 pmHelena
26h 35m
2 stops
DUB10:25 pmDublin
Sep 1
DUB1:25 pmDublin
40h 09m
2 stops
HLN10:34 pmHelena
$900

Lufthansa flights from Montana to Ireland

Our best Lufthansa deals on Montana to Ireland flight tickets
Lufthansa
Jul 27
BIL8:45 amBillings Logan Intl
18h 00m
1 stop
DUB9:45 amDublin
Aug 10
DUB11:35 amDublin
17h 40m
1 stop
BIL10:15 pmBillings Logan Intl
$924
Lufthansa
Mar 31
BZN8:10 amBozeman Gallatin Field
18h 35m
1 stop
DUB9:45 amDublin
Apr 2
DUB11:35 amDublin
17h 35m
1 stop
BZN10:10 pmBozeman Gallatin Field
$1,293
Lufthansa
Jun 5
BIL8:45 amBillings Logan Intl
18h 00m
1 stop
DUB9:45 amDublin
Jun 23
DUB11:35 amDublin
17h 40m
1 stop
BIL10:15 pmBillings Logan Intl
$1,356

momondo 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, momondo users made 832,500 searches. Data last updated March 27, 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

Price

Cheapest round-trip

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Wed 7/29

3:04 pm-11:05 am

2 stops37h 01m

Dublin

Thu 8/6

2:15 pm-11:22 pm

2 stops40h 07m

$492

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Sun 8/16

4:05 pm-9:45 am

1 stop34h 40m

Dublin

Thu 8/20

9:50 am-6:23 pm

2 stops39h 33m

$673

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Mon 8/24

6:59 am-6:25 pm

2 stops28h 26m

Dublin

Thu 9/3

11:10 am-11:46 pm

2 stops19h 36m

$731

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Mon 8/24

6:59 am-6:25 pm

2 stops28h 26m

Dublin

Thu 9/3

12:00 pm-11:46 pm

1 stop18h 46m

$734

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Mon 4/20

2:53 pm-8:45 am

1 stop34h 52m

Dublin

Tue 5/5

8:55 am-8:11 pm

2 stops18h 16m

$751

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Fri 7/31

6:00 pm-8:15 am

2 stops55h 15m

Dublin

Fri 8/14

9:20 am-9:41 am

2 stops31h 21m

$757

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Mon 7/27

7:00 am-7:45 am

2 stops17h 45m

Dublin

Mon 8/10

9:50 am-9:00 pm

2 stops42h 10m

$778

HelenaDublin

HLN - DUB

HLNDUB

Helena

Wed 8/26

12:50 pm-10:25 pm

2 stops26h 35m

Dublin

Tue 9/1

5:20 pm-10:34 pm

2 stops36h 14m

$849
Quickest round-trip

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Fri 5/8

6:00 am-9:45 am

1 stop20h 45m

Dublin

Fri 5/15

12:40 pm-10:43 pm

1 stop17h 03m

$856

BozemanShannon

BZN - SNN

BZNSNN

Bozeman Gallatin Field

Sun 4/26

1:43 pm-4:10 pm

2 stops19h 27m

Shannon

Sun 5/3

2:30 pm-12:53 pm

3 stops29h 23m

$2,693

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Montana to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

In general, February is the cheapest month to fly from Montana to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $494. If you aren’t able to travel to Ireland during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $590.

Can stopping save me money on Montana to Ireland flights?

You could potentially save up to 8% on your flight if you consider stops on a Montana to Ireland flight.

Cheap Montana to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Ireland

Fastest flight time

11h 56m

Direct flights

None
The fastest flight from Montana to Ireland takes 11h 56m
There are no direct flights from Montana to Ireland. There are no popular flight routes from Montana to Ireland.
  • When did momondo last update prices for flights from Montana to Ireland?

    Prices for flights from Montana to Ireland are refreshed on a daily basis.

  • How many operators does momondo search for flights from Montana to Ireland?

  • How old do you have to be to fly from Montana to Ireland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Montana to Ireland

Compare and see reviews for airlines that fly from Montana to Ireland with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $456Free CancellationRating
7.9
8,340 reviews
Search Delta flights
United AirlinesPriceFrom $484Free CancellationRating
7.4
9,491 reviews
Search United Airlines flights
American AirlinesPriceFrom $489Free CancellationRating
7.1
11,503 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Ireland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ireland from Montana.

Can I find flights from Montana to Ireland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ireland from Montana which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Montana to Ireland?

Once you have performed a search for Montana to Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Montana to Ireland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Montana to Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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1 adult
Sun 4/26
Sun 5/3

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Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo