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$399+ Cheap flights from Idaho 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DUB
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Idaho to Ireland

Cheapest flights from Idaho to Ireland
Explore the most affordable flight options available from Idaho to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 12/242:40 pmBOI - DUB
2 stops33h 50mUnited Airlines
Fri 1/3010:40 amDUB - BOI
2 stops20h 08mUnited Airlines
Deal found 12/16$493
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/241:27 pmBOI - DUB
1 stop34h 43mAmerican Airlines
Fri 1/304:40 pmDUB - BOI
1 stop29h 11mAmerican Airlines
Deal found 12/16$1,092
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/185:05 amGEG - DUB
2 stops43h 05mUnited Airlines
Wed 12/2410:40 amDUB - GEG
2 stops42h 51mUnited Airlines
Deal found 12/17$1,286
This KLM deal was found by Cheapflights users on 12/17. 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.
Thu 12/186:00 amGEG - DUB
1 stop17h 45mKLM
Wed 12/245:15 pmDUB - GEG
2 stops29h 36mKLM
Deal found 12/17$1,610
This Expedia deal was found by Cheapflights users on 12/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:53 amGEG - DUB
1 stop23h 37mMultiple Airlines
Wed 12/241:00 pmDUB - GEG
1 stop37h 35mMultiple Airlines
Deal found 12/17$2,893

Find flight deals from Idaho to Ireland

Keep the following information in mind while searching for Idaho to Ireland flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$450
(Expedia)

One-way from

$399
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$697
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Dublin flights.
Search Deals
From Idaho to Ireland
Search Deals
One-way flight from Idaho to Ireland
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 December 18, 2025.
Use the filters below to find and compare flights from Idaho to Ireland that are best for you.

Fly from

Idaho

Fly to

Ireland

Route

Depart

Return

Price

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Thu 1/8

6:53 am-7:10 am

2 stops40h 17m

Dublin

Sat 1/17

9:00 am-12:46 pm

2 stops35h 46m

$450

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Mon 1/12

10:28 am-8:10 am

2 stops38h 42m

Dublin

Sun 1/18

9:00 am-10:57 pm

2 stops44h 57m

$456

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Mon 1/12

12:19 pm-8:10 am

1 stop12h 51m

Dublin

Sun 1/18

9:00 am-10:57 pm

2 stops44h 57m

$456

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Fri 1/30

12:19 pm-8:10 am

1 stop12h 51m

Dublin

Fri 2/6

9:00 am-7:13 pm

2 stops41h 13m

$456

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Wed 1/14

8:10 am-8:10 am

2 stops17h 00m

Dublin

Wed 1/21

9:00 am-7:51 pm

2 stops41h 51m

$460

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Thu 1/8

5:00 am-8:10 am

2 stops19h 10m

Dublin

Sat 1/17

9:00 am-12:46 pm

2 stops35h 46m

$460

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Sat 1/10

9:48 am-7:10 am

2 stops14h 22m

Dublin

Sat 1/17

9:00 am-7:45 pm

2 stops41h 45m

$462

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Wed 4/22

2:03 pm-2:50 pm

2 stops16h 47m

Dublin

Tue 5/5

1:45 pm-10:49 pm

2 stops17h 04m

$483

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Sat 1/10

5:45 am-3:45 pm

2 stops27h 00m

Dublin

Sat 1/17

5:55 am-8:55 pm

2 stops22h 00m

$487

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Wed 4/8

6:00 am-7:55 am

1 stop17h 55m

Dublin

Tue 4/14

10:00 am-11:04 pm

1 stop21h 04m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 27 results
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Best time to book a flight from Idaho to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Idaho with our price prediction graph.
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 Idaho to Ireland

What is the cheapest month to book a flight from Idaho to Ireland?

Currently, January is the cheapest month in which you can book a flight from Idaho to Ireland (average of $484). Flying from Idaho to Ireland in June is currently the most expensive (average of $906). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ID to IE?

Find hourly flight availability from Idaho to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 22% on flights from Idaho to Ireland by exploring options for tickets in the evening.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho to Ireland?

    Airlines like Air Canada, United Airlines, and KLM fly from Idaho to Ireland in about 12h 51m. The time it takes to get you to your destination can typically vary by up to 27h 26m. Idaho and Ireland are separated by a distance of 4560 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Idaho to Ireland that include hotel bookings?

    Yes. In addition to deals on Idaho to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Ireland.

  • Can I find deals for business class flights from Idaho to Ireland?

    Yes. Cheapflights offers flight deals from Idaho to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to Ireland?

    Currently, January is the cheapest month in which you can book a flight from Idaho to Ireland (average of $484). Flying from Idaho to Ireland in June is currently the most expensive (average of $906). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Idaho to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Idaho to Ireland

Discover the top 6 airlines that operate flights from Idaho 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$485Average$738FlexibilityNo cancel feeOn-time75%
DeltaCheapest$549Average$712FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$561Average$952FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$594Average$859FlexibilityNo cancel feeOn-time71%
IberiaCheapest$595Average$798FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$770Average$960FlexibilityNo cancel feeOn-time76%

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