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Shannon

$457+ Cheap flights from Boise (BOI) to Shannon (SNN)

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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SNN
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
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Cheap flight deals from Boise to Shannon

Cheapest flights from Boise to Shannon
Explore the most affordable flight options available from Boise to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 24, 2026.

This American Airlines deal was found by Cheapflights users on 1/22. 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.
Thu 2/191:30 pm
BOI
-
SNN
2 stops20h 15m
American Airlines
Thu 2/267:50 am
SNN
-
BOI
2 stops22h 48m
American Airlines
Deal found 1/22$486
This American Airlines deal was found by Cheapflights users on 1/23. 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 9/25:14 pm
BOI
-
SNN
2 stops20h 21m
American Airlines
Sat 9/127:30 am
SNN
-
BOI
2 stops20h 37m
American Airlines
Deal found 1/23$546
This United Airlines deal was found by Cheapflights users on 1/23. 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 9/25:22 pm
BOI
-
SNN
2 stops31h 08m
United Airlines
Sat 9/129:30 am
SNN
-
BOI
1 stop20h 36m
United Airlines
Deal found 1/23$674
This oojo deal was found by Cheapflights users on 1/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:00 pm
BOI
-
SNN
2 stops19h 25m
Multiple Airlines
Mon 3/168:05 pm
SNN
-
BOI
2 stops32h 18m
Multiple Airlines
Deal found 1/23$741
This British Airways deal was found by Cheapflights users on 1/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:16 am
BOI
-
SNN
2 stops25h 29m
British Airways
Sun 3/15:30 pm
SNN
-
BOI
2 stops34h 45m
British Airways
Deal found 1/23$773
This KAYAK deal was found by Cheapflights users on 1/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:00 pm
BOI
-
SNN
2 stops19h 25m
British Airways
Tue 3/247:50 am
SNN
-
BOI
2 stops21h 12m
British Airways
Deal found 1/22$1,251

Find flight deals from Boise to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Shannon (SNN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 24, 2026.

Round-trip from

$486
(American Airlines)

One-way from

$457
(United Airlines)

Popular in

April

Cheapest in

January

Average price

$484
From Boise Air Term. Gowen Fld to Shannon
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Shannon
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($352 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($78 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Shannon 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 January 24, 2026.
Use the filters below to find and compare flights from Boise to Shannon that are best for you.

Fly from

Boise

Fly to

Shannon

Route

Depart

Return

Price

BoiseShannon

BOI - SNN

BOISNN

Boise Air Term. Gowen Fld

Thu 2/19

1:30 pm-4:45 pm

2 stops20h 15m

Shannon

Thu 2/26

7:50 am-11:38 pm

2 stops22h 48m

$486

BoiseShannon

BOI - SNN

BOISNN

Boise Air Term. Gowen Fld

Mon 3/9

6:00 pm-7:25 pm

2 stops19h 25m

Shannon

Mon 3/16

8:05 pm-10:23 pm

2 stops32h 18m

$741

BoiseShannon

BOI - SNN

BOISNN

Boise Air Term. Gowen Fld

Wed 2/25

8:16 am-4:45 pm

2 stops25h 29m

Shannon

Sun 3/1

5:30 pm-9:15 pm

2 stops34h 45m

$773

BoiseShannon

BOI - SNN

BOISNN

Boise Air Term. Gowen Fld

Thu 3/12

6:00 pm-7:25 pm

2 stops19h 25m

Shannon

Tue 3/24

7:50 am-11:02 pm

2 stops21h 12m

$1,251

BoiseShannon

BOI - SNN

BOISNN

Boise Air Term. Gowen Fld

Mon 7/20

2:11 pm-7:30 am

2 stops34h 19m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Best time to book a flight from Boise to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Boise 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.

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Shannon. Reviews last updated January 24, 2026.
Read through reviews of airlines operating flights from Boise to Shannon, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,194 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,194 reviews
United Airlines
7.4
Good
9,194 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Boise to Shannon. 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 Boise to Shannon, Clare?

    Airlines like American Airlines and British Airways fly from Boise to Shannon, Clare in about 20h 15m. The time it takes to get you to your destination can typically vary by up to 5h 14m. The distance from Boise to Shannon, Clare is about 4510 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Boise to Shannon, Clare round-trip?

    Cheapflights users have booked flights from Boise to Shannon, Clare round-trip from $750. This flight start at 28% lower than the current average price 3 months from now.

  • Can I find deals for flights from Boise to Shannon that include hotel bookings?

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

  • How can I find direct flights from Boise to Shannon?

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

  • Can I find deals for business class flights from Boise to Shannon?

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

See more FAQs

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Ennis

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Alternative routes for Boise to Shannon

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Boise to Shannon

Discover the top airline that operate flights from Boise to Shannon. 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 January 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$750Average$1,207FlexibilityNo cancel feeOn-time69%

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