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Shannon

$605+ Cheap flights from Greenville (GSP) 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SNN
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Greenville to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) 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 August 20, 2025.

Round-trip from

$874
(United Airlines)

One-way from

$605
(United Airlines)
From Greenville to Shannon
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One-way flight from Greenville to Shannon
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Find flight deals from Greenville to Shannon

Cheapest flights from Greenville to Shannon
Explore the most affordable flight options available from Greenville to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 10/39:35 amGSP - SNN
2 stops19h 40mUnited Airlines
Fri 10/1012:30 pmSNN - GSP
2 stops33h 23mUnited Airlines
Deal found 8/18$874

Cheapflights Fare Finder

 
Customize your flight search to find flights from Greenville 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 August 20, 2025.
Use the filters below to find and compare flights from Greenville to Shannon that are best for you.

Fly from

Greenville

Fly to

Shannon

Route

Depart

Return

Price

GreenvilleShannon

GSP - SNN

GSPSNN

Greenville

Fri 10/3

9:35 am-10:15 am

2 stops19h 40m

Shannon

Fri 10/10

12:30 pm-4:53 pm

2 stops33h 23m

$874

GreenvilleShannon

GSP - SNN

GSPSNN

Greenville

Sat 9/20

2:51 pm-7:30 am

2 stops35h 39m

$605

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Best time to book a flight from Greenville to Shannon

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

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

Currently, February is the cheapest month in which you can book a flight from Greenville to Shannon, Clare (average of $533). Flying from Greenville to Shannon, Clare in June is currently the most expensive (average of $931). 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 GSP to SNN?

Find hourly flight availability from Greenville 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 August 20, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 15% on flights from Greenville to Shannon, Clare by exploring options for tickets at noon.

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 August 20, 2025.
See what other customers who have flown with United Airlines from Greenville to Shannon have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,928 reviews

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

    For as low as $874, United Airlines can have you in Shannon, Clare from Greenville in 19h 40m. There are 3679 mi between Greenville and Shannon, Clare.

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

    Cheapflights users have booked flights from Greenville to Shannon, Clare round-trip from $700.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Greenville 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 Greenville to Shannon, Clare?

    Currently, February is the cheapest month in which you can book a flight from Greenville to Shannon, Clare (average of $533). Flying from Greenville to Shannon, Clare in June is currently the most expensive (average of $931). 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 Shannon?

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

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Top airline flying from Greenville to Shannon

Discover the top airline that operate flights from Greenville 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$700Average$995FlexibilityNo cancel feeOn-time69%

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