Cheap flights from Montana to Ireland from $385

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 6/3. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 11:10 am
BIL
-
DUB
21h 10m
2 stops
United Airlines Logo
9:50 am - 9:00 pm
DUB
-
BIL
42h 10m
2 stops
$728United Airlines
Tue, Sep 1 - Thu, Sep 10
United Airlines Logo
11:30 am - 11:10 am
BZN
-
DUB
16h 40m
1 stop
United Airlines Logo
9:20 am - 3:23 pm
DUB
-
BZN
37h 03m
2 stops
$770United Airlines
Wed, Oct 14 - Wed, Oct 21
Delta Logo
8:00 am - 7:55 am
MSO
-
DUB
16h 55m
1 stop
Delta Logo
1:25 pm - 5:27 pm
DUB
-
MSO
34h 02m
2 stops
$789Delta
Sun, Oct 11 - Mon, Oct 26
Delta Logo
8:00 am - 7:55 am
MSO
-
DUB
16h 55m
1 stop
Delta Logo
8:55 am - 8:12 pm
DUB
-
MSO
18h 17m
2 stops
$794Delta
Wed, Oct 14 - Thu, Oct 22
American Airlines Logo
4:40 pm - 11:50 am
FCA
-
DUB
12h 10m
1 stop
American Airlines Logo
9:30 am - 3:58 pm
DUB
-
FCA
13h 28m
1 stop
$797American Airlines
Sun, Aug 23 - Wed, Sep 2
Multiple Airlines Logo
1:23 pm - 2:30 pm
FCA
-
DUB
18h 07m
2 stops
Multiple Airlines Logo
12:40 pm - 10:56 pm
DUB
-
FCA
17h 16m
2 stops
$824Multiple Airlines
Mon, Sep 7 - Fri, Sep 18
Multiple Airlines Logo
4:40 pm - 11:50 am
FCA
-
DUB
12h 10m
1 stop
Multiple Airlines Logo
12:40 pm - 10:56 pm
DUB
-
FCA
17h 16m
2 stops
$833Multiple Airlines
Mon, Sep 7 - Fri, Sep 18
Air Canada Logo
5:57 pm - 8:15 am
BIL
-
DUB
55h 18m
2 stops
Air Canada Logo
9:20 am - 9:00 pm
DUB
-
BIL
42h 40m
2 stops
$844Air Canada
Fri, Oct 2 - Sat, Oct 10
American Airlines Logo
4:40 pm - 11:50 am
FCA
-
DUB
12h 10m
1 stop
American Airlines Logo
9:30 am - 3:58 pm
DUB
-
FCA
13h 28m
1 stop
$881American Airlines
Sun, Aug 23 - Wed, Sep 2
Air Canada Logo
6:00 pm - 8:15 am
BIL
-
DUB
55h 15m
2 stops
Air Canada Logo
9:20 am - 10:51 pm
DUB
-
BIL
44h 31m
2 stops
$891Air Canada
Fri, Jul 31 - Fri, Aug 14

Lufthansa flights from Montana to Ireland

Our best Lufthansa deals on Montana to Ireland flight tickets
Lufthansa
Aug 22
BZN2:30 pmBozeman Gallatin Field
36h 15m
1 stop
DUB9:45 amDublin
Aug 30
DUB9:20 amDublin
37h 03m
2 stops
BZN3:23 pmBozeman Gallatin Field
$881
Lufthansa
Aug 21
BZN2:30 pmBozeman Gallatin Field
34h 00m
1 stop
SNN7:30 amShannon
Aug 30
SNN9:30 amShannon
12h 53m
1 stop
BZN3:23 pmBozeman Gallatin Field
$983
Lufthansa
Sep 3
MSO1:50 pmMissoula Johnson-Bell Field
12h 55m
1 stop
DUB9:45 amDublin
Sep 13
DUB12:30 pmDublin
28h 31m
2 stops
MSO10:01 amMissoula Johnson-Bell Field
$1,004

United Airlines flights from Montana to Ireland

Our best United Airlines deals on Montana to Ireland flight tickets
United Airlines
Sep 1
BIL7:00 amBillings Logan Intl
21h 10m
2 stops
DUB11:10 amDublin
Sep 10
DUB9:50 amDublin
42h 10m
2 stops
BIL9:00 pmBillings Logan Intl
$728
United Airlines
Oct 11
MSO12:40 pmMissoula Johnson-Bell Field
14h 05m
1 stop
DUB9:45 amDublin
Oct 21
DUB9:20 amDublin
33h 14m
2 stops
MSO11:34 amMissoula Johnson-Bell Field
$770
United Airlines
Sep 19
BZN4:05 pmBozeman Gallatin Field
32h 40m
2 stops
DUB7:45 amDublin
Sep 30
DUB9:20 amDublin
43h 58m
2 stops
BZN10:18 pmBozeman Gallatin Field
$773

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 May 12, 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

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Tue 9/1

7:00 am-11:10 am

2 stops21h 10m

Dublin

Thu 9/10

9:50 am-9:00 pm

2 stops42h 10m

$728

BozemanDublin

BZN - DUB

BZNDUB

Bozeman Gallatin Field

Wed 10/14

11:30 am-11:10 am

1 stop16h 40m

Dublin

Wed 10/21

9:20 am-3:23 pm

2 stops37h 03m

$770

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Sun 10/11

8:00 am-7:55 am

1 stop16h 55m

Dublin

Mon 10/26

1:25 pm-5:27 pm

2 stops34h 02m

$789

MissoulaDublin

MSO - DUB

MSODUB

Missoula Johnson-Bell Field

Wed 10/14

8:00 am-7:55 am

1 stop16h 55m

Dublin

Thu 10/22

8:55 am-8:12 pm

2 stops18h 17m

$794
Quickest round-trip

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Sun 8/23

4:40 pm-11:50 am

1 stop12h 10m

Dublin

Wed 9/2

9:30 am-3:58 pm

1 stop13h 28m

$797

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Mon 9/7

1:23 pm-2:30 pm

2 stops18h 07m

Dublin

Fri 9/18

12:40 pm-10:56 pm

2 stops17h 16m

$824

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Mon 9/7

4:40 pm-11:50 am

1 stop12h 10m

Dublin

Fri 9/18

12:40 pm-10:56 pm

2 stops17h 16m

$833

BillingsDublin

BIL - DUB

BILDUB

Billings Logan Intl

Fri 10/2

5:57 pm-8:15 am

2 stops55h 18m

Dublin

Sat 10/10

9:20 am-9:00 pm

2 stops42h 40m

$844

KalispellDublin

FCA - DUB

FCADUB

Kalispell Glacier Park

Sun 8/23

4:40 pm-11:50 am

1 stop12h 10m

Dublin

Wed 9/2

9:30 am-3:58 pm

1 stop13h 28m

$881

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-10:51 pm

2 stops44h 31m

$891

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, August 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 $299. If you aren’t able to travel to Ireland during the month of August, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $431.

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 10m

Direct flights

None
The fastest flight from Montana to Ireland takes 11h 10m
There are no direct flights from Montana to Ireland. There are no popular flight routes from Montana to Ireland.

Frequently asked questions about flying 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 $430Free CancellationRating
7.9
8,446 reviews
Search Delta flights
United AirlinesPriceFrom $484Free CancellationRating
7.4
9,701 reviews
Search United Airlines flights
American AirlinesPriceFrom $489Free CancellationRating
7.1
11,661 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
Thu 6/11
Thu 6/18

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Popular cities in Ireland

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