What is the cheapest airline that flies from Idaho to Ireland?

United Airlines is the most popular carrier operating from Idaho to Ireland

What airlines fly to Ireland?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Ireland from Idaho according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 6 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Idaho to Ireland?

Prices for flights from Idaho to Ireland were last updated today.

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

The number of operators available for flights from Idaho to Ireland is 6 as of December 2025.

How old do you have to be to fly from Idaho to Ireland?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Ireland.

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

The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$399 Cheap Flights from Idaho to Ireland in 2025/26

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Find the cheapest flights from Idaho to Ireland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:15 am - 8:10 am

BOI

DUB

16h 55m1 stop

9:00 am - 7:45 pm

DUB

BOI

41h 45m2 stops

$456United Airlines

Mon, Jan 12 - Sun, Jan 18

7:00 am - 7:30 am

JAC

DUB

17h 30m2 stops

9:00 am - 8:42 pm

DUB

JAC

42h 42m2 stops

$460United Airlines

Sat, Jan 17 - Sat, Jan 31

9:48 am - 8:10 am

BOI

DUB

15h 22m2 stops

9:00 am - 7:45 pm

DUB

BOI

41h 45m2 stops

$460United Airlines

Mon, Jan 12 - Sun, Jan 18

5:30 pm - 6:10 am

BOI

DUB

54h 40m2 stops

8:00 am - 9:29 pm

DUB

BOI

43h 29m2 stops

$467Air Canada

Tue, Mar 17 - Wed, Mar 25

8:10 am - 7:10 am

BOI

DUB

16h 00m2 stops

5:00 am - 6:07 pm

DUB

BOI

20h 07m2 stops

$477Multiple Airlines

Tue, Jan 27 - Tue, Feb 3

5:30 am - 7:45 am

BOI

DUB

20h 15m1 stop

9:45 am - 8:55 pm

DUB

BOI

17h 10m1 stop

$484Delta

Tue, Mar 17 - Wed, Mar 25

7:00 am - 8:40 am

BOI

DUB

19h 40m2 stops

6:05 pm - 10:36 pm

DUB

BOI

34h 31m2 stops

$485Multiple Airlines

Fri, Mar 20 - Wed, Mar 25

5:30 am - 7:45 am

BOI

DUB

20h 15m1 stop

1:25 pm - 1:04 pm

DUB

BOI

29h 39m2 stops

$487Delta

Tue, Mar 17 - Wed, Mar 25

2:03 pm - 3:45 pm

GEG

DUB

17h 42m2 stops

1:45 pm - 8:34 pm

DUB

GEG

14h 49m1 stop

$602American Airlines

Wed, Apr 22 - Tue, May 5

1:42 pm - 1:35 pm

JAC

DUB

16h 53m2 stops

4:40 pm - 12:21 pm

DUB

JAC

26h 41m1 stop

$681American Airlines

Sat, Jan 17 - Sat, Jan 31

United Airlines flights from Idaho to Ireland

Our best United Airlines deals on Idaho to Ireland flight tickets

United Airlines

Jan 12

BOI8:15 amBoise Air Term. Gowen Fld

16h 55m

1 stop

DUB8:10 amDublin

Jan 18

DUB9:00 amDublin

41h 45m

2 stops

BOI7:45 pmBoise Air Term. Gowen Fld

$456

Find similar

United Airlines

Jan 12

BOI9:48 amBoise Air Term. Gowen Fld

15h 22m

2 stops

DUB8:10 amDublin

Jan 18

DUB9:00 amDublin

41h 45m

2 stops

BOI7:45 pmBoise Air Term. Gowen Fld

$460

Find similar

United Airlines

Feb 11

BOI10:48 amBoise Air Term. Gowen Fld

37h 22m

2 stops

DUB7:10 amDublin

Feb 15

DUB9:00 amDublin

43h 32m

2 stops

BOI9:32 pmBoise Air Term. Gowen Fld

$462

Find similar

Air Canada flights from Idaho to Ireland

Our best Air Canada deals on Idaho to Ireland flight tickets

Air Canada

Mar 17

BOI5:30 pmBoise Air Term. Gowen Fld

54h 40m

2 stops

DUB6:10 amDublin

Mar 25

DUB8:00 amDublin

43h 29m

2 stops

BOI9:29 pmBoise Air Term. Gowen Fld

$467

Find similar

Air Canada

Jan 10

BOI9:48 amBoise Air Term. Gowen Fld

14h 22m

2 stops

DUB7:10 amDublin

Jan 17

DUB9:00 amDublin

43h 52m

2 stops

BOI9:52 pmBoise Air Term. Gowen Fld

$562

Find similar

Air Canada

Mar 17

BOI5:30 pmBoise Air Term. Gowen Fld

54h 40m

2 stops

DUB6:10 amDublin

Mar 23

DUB8:00 amDublin

43h 29m

2 stops

BOI9:29 pmBoise Air Term. Gowen Fld

$567

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Mon 1/12

8:15 am-8:10 am

1 stop16h 55m

Dublin

Sun 1/18

9:00 am-7:45 pm

2 stops41h 45m

$456

JacksonDublin

JAC - DUB

JACDUB

Jackson Hole

Sat 1/17

7:00 am-7:30 am

2 stops17h 30m

Dublin

Sat 1/31

9:00 am-8:42 pm

2 stops42h 42m

$460

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Mon 1/12

9:48 am-8:10 am

2 stops15h 22m

Dublin

Sun 1/18

9:00 am-7:45 pm

2 stops41h 45m

$460

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 3/17

5:30 pm-6:10 am

2 stops54h 40m

Dublin

Wed 3/25

8:00 am-9:29 pm

2 stops43h 29m

$467

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 1/27

8:10 am-7:10 am

2 stops16h 00m

Dublin

Tue 2/3

5:00 am-6:07 pm

2 stops20h 07m

$477

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 3/17

5:30 am-7:45 am

1 stop20h 15m

Dublin

Wed 3/25

9:45 am-8:55 pm

1 stop17h 10m

$484

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Fri 3/20

7:00 am-8:40 am

2 stops19h 40m

Dublin

Wed 3/25

6:05 pm-10:36 pm

2 stops34h 31m

$485

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 3/17

5:30 am-7:45 am

1 stop20h 15m

Dublin

Wed 3/25

1:25 pm-1:04 pm

2 stops29h 39m

$487

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Wed 4/22

2:03 pm-3:45 pm

2 stops17h 42m

Dublin

Tue 5/5

1:45 pm-8:34 pm

1 stop14h 49m

$602

JacksonDublin

JAC - DUB

JACDUB

Jackson Hole

Sat 1/17

1:42 pm-1:35 pm

2 stops16h 53m

Dublin

Sat 1/31

4:40 pm-12:21 pm

1 stop26h 41m

$681

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho 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

Prices

Airlines

What is the cheapest month to fly to Ireland?

In general, February is the cheapest month to fly from Idaho to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $626. If you aren’t able to travel to Ireland during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $632.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as $835. This is often the case because there is less demand to fly during this day of the week. Flights from Idaho to Ireland on a Saturday will generally be more expensive and average around $1,140. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ireland?

According to our data, the cheapest time of day to fly to Ireland is in the afternoon. momondo users have found flights departing from Idaho to Ireland in the afternoon for as low as $851. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around $1,003.

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $794 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Idaho for as low as $646 on momondo.

Can stopping save me money on Idaho to Ireland flights?

You could potentially save up to 32% on your flight if you consider stops on a Idaho to Ireland flight.

Cheap Idaho to Ireland flight deals and tips

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

Fastest flight time	12h 54m
Direct flights	None

The fastest flight from Idaho to Ireland takes 12h 54m

There are no direct flights from Idaho to Ireland. There are no popular flight routes from Idaho to Ireland.

Search flight deals

When did momondo last update prices for flights from Idaho to Ireland?
Prices for flights from Idaho to Ireland were last updated today.
How many operators does momondo search for flights from Idaho to Ireland?
The number of operators available for flights from Idaho to Ireland is 6 as of December 2025.
How old do you have to be to fly from Idaho to Ireland?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Idaho to Ireland

Compare and see reviews for airlines that fly from Idaho to Ireland with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $485	Free Cancellation	Rating 7.7 1,430 reviews	Search KLM flights
Delta	PriceFrom $549	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
United Airlines	PriceFrom $561	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
American Airlines	PriceFrom $594	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
Iberia	PriceFrom $595	Free Cancellation	Rating 7.0 3,051 reviews	Search Iberia flights
Icelandair	PriceFrom $770	Free Cancellation	Rating 7.0 590 reviews	Search Icelandair flights

Why use momondo?

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

Finding the right flight to Ireland from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ireland quick and easy, saving you time and money.

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

Yes. All flights to Ireland from Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ireland from Idaho.

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

Yes momondo offers price alerts on flights to Ireland from Idaho. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.