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Shannon

$752+ Cheap flights from Boise (BOI) to Shannon (SNN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SNN
Feb 10 — Feb 171
Tue 2/10
Tue 2/17
1 adult, Economy
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Cheap 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 11, 2026.

Round-trip from

$809
(British Airways)

Popular in

April

Cheapest in

January

Average price

$484
From Boise Air Term. Gowen Fld to Shannon
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Highest demand for flights based on searches. 25% potential increase in price ($352 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($78 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 11, 2026.

This American Airlines deal was found by Cheapflights users on 1/8. 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.
Fri 1/93:18 pmBOI - SNN
2 stops17h 27mAmerican Airlines
Fri 1/167:50 amSNN - BOI
2 stops22h 23mAmerican Airlines
Deal found 1/8$752
This British Airways deal was found by Cheapflights users on 1/8. 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 amBOI - SNN
2 stops25h 29mBritish Airways
Sun 3/15:30 pmSNN - BOI
2 stops36h 30mBritish Airways
Deal found 1/8$809
This KAYAK deal was found by Cheapflights users on 1/9. 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 3/128:16 amBOI - SNN
2 stops45h 14mBritish Airways
Tue 3/245:30 pmSNN - BOI
2 stops36h 28mBritish Airways
Deal found 1/9$1,355

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 11, 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

Wed 2/25

8:16 am-4:45 pm

2 stops25h 29m

Shannon

Sun 3/1

5:30 pm-11:00 pm

2 stops36h 30m

$809

BoiseShannon

BOI - SNN

BOISNN

Boise Air Term. Gowen Fld

Thu 3/12

8:16 am-11:30 am

2 stops45h 14m

Shannon

Tue 3/24

5:30 pm-11:58 pm

2 stops36h 28m

$1,355

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

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 11, 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
9,144 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

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
9,144 reviews
United Airlines
7.4
Good
9,144 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

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 British Airways fly from Boise to Shannon, Clare in about 25h 29m. The time it takes to get you to your destination can typically vary by up to . The distance from Boise to Shannon, Clare is about 4510 mi.

  • 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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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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$750Average$1,207FlexibilityNo cancel feeOn-time69%

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