HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Shannon

$730+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SNN
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise to Shannon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$730
(Delta)

Popular in

April

Cheapest in

February

Average price

$1,745
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Shannon flights.
Search Deals
From Boise Air Term. Gowen Fld to Shannon
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($65 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 15, 2025.

This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2712:50 pmBOI - SNN
2 stops15h 20mDelta
Thu 6/121:05 pmSNN - BOI
2 stops17h 45mDelta
Deal found 4/15$730
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Tue 5/277:07 pmBOI - SNN
3 stops29h 23mUnited Airlines
Thu 6/129:30 amSNN - BOI
2 stops31h 16mUnited Airlines
Deal found 4/15$800
This Gurufare deal was found by Cheapflights users on 4/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/85:39 pmBOI - SNN
2 stops19h 56mBritish Airways
Fri 6/134:55 pmSNN - BOI
2 stops30h 15mBritish Airways
Deal found 4/15$1,892
This Air Canada deal was found by Cheapflights users on 4/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/278:30 amBOI - SNN
3 stops19h 50mAir Canada
Sun 7/137:40 amSNN - BOI
3 stops22h 12mAir Canada
Deal found 4/15$2,406

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 April 15, 2025.
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

Tue 5/27

12:50 pm-11:10 am

2 stops15h 20m

Shannon

Thu 6/12

1:05 pm-11:50 pm

2 stops17h 45m

$730

BoiseShannon

BOI - SNN

BOISNN

Boise Air Term. Gowen Fld

Tue 5/27

7:07 pm-7:30 am

3 stops29h 23m

Shannon

Thu 6/12

9:30 am-9:46 am

2 stops31h 16m

$800

BoiseShannon

BOI - SNN

BOISNN

Boise Air Term. Gowen Fld

Sun 6/8

5:39 pm-8:35 pm

2 stops19h 56m

Shannon

Fri 6/13

4:55 pm-4:10 pm

2 stops30h 15m

$1,892

BoiseShannon

BOI - SNN

BOISNN

Boise Air Term. Gowen Fld

Fri 6/27

8:30 am-11:20 am

3 stops19h 50m

Shannon

Sun 7/13

7:40 am-10:52 pm

3 stops22h 12m

$2,406

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Compare providers for flights from Boise to Shannon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Shannon in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Shannon, Clare flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boise-Shannon, Clare flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Boise-Shannon, Clare flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Shannon, Clare flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from Boise to Shannon

What is the cheapest time of day to fly from BOI to SNN?

Find hourly flight availability from Boise to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

It’s typically best to fly out from Boise to Shannon, Clare at noon. Doing so could potentially save you 11% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Shannon by month

Plan your trip to Shannon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Shannon, Clare ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Shannon, Clare when rainfall is around 2.3 in.

Temperature in Shannon by month

Plan your trip to Shannon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Shannon, Clare, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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 April 15, 2025.
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,658 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,127 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
6,765 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines flying from Boise to Shannon, Clare round-trip?

    Cheapflights users have booked flights from Boise to Shannon, Clare round-trip from $730. Other airlines that can offer you cheap pricing are United Airlines, from $800, and British Airways, from $1,892. These flights start at 37% 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.

  • What is the cheapest month to book a flight from Boise to Shannon, Clare?

    Currently, February is the cheapest month in which you can book a flight from Boise to Shannon, Clare (average of $533). Flying from Boise to Shannon, Clare in June is currently the most expensive (average of $1,007). 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

Traveling to a place near Boise?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boise to Shannon

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Dublin flights
Spokane to Dublin flights
Jackson to Dublin flights

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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$750Average$1,214FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.