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Shannon

$865+ Cheap flights from San Antonio (SAT) 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SNN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from San Antonio to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) 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 September 17, 2025.

Round-trip from

$865
(American Airlines)
From San Antonio to Shannon
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Find flight deals from San Antonio to Shannon

Cheapest flights from San Antonio to Shannon
Explore the most affordable flight options available from San Antonio to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:10 amSAT - SNN
2 stops17h 10mAmerican Airlines
Sat 11/87:50 amSNN - SAT
2 stops20h 25mAmerican Airlines
Deal found 9/17$865
This Air Canada deal was found by Cheapflights users on 9/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:24 pmSAT - SNN
3 stops19h 21mAir Canada
Sat 11/87:50 amSNN - SAT
3 stops30h 58mAir Canada
Deal found 9/17$1,427

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio 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 September 17, 2025.
Use the filters below to find and compare flights from San Antonio to Shannon that are best for you.

Fly from

San Antonio

Fly to

Shannon

Route

Depart

Return

Price

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Sat 11/1

8:10 am-6:20 am

2 stops17h 10m

Shannon

Sat 11/8

7:50 am-10:15 pm

2 stops20h 25m

$865

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Sat 11/1

4:24 pm-4:45 pm

3 stops19h 21m

Shannon

Sat 11/8

7:50 am-8:48 am

3 stops30h 58m

$1,427

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Best time to book a flight from San Antonio to Shannon

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

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

Currently, February is the cheapest month in which you can book a flight from San Antonio to Shannon, Clare (average of $533). Flying from San Antonio to Shannon, Clare in June is currently the most expensive (average of $928). 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 SAT to SNN?

Find hourly flight availability from San Antonio 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 September 17, 2025.

When flying from San Antonio to Shannon, Clare, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 26% versus a flight 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 September 17, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from San Antonio to Shannon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

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

    American Airlines and Air Canada can get you from San Antonio to Shannon, Clare in just under 17h 10m. Your travel time can differ by up to 2h 11m. San Antonio and Shannon, Clare are separated by a distance of 4603 mi. This flight may include one or multiple stops.

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

    Flying on American Airlines is currently your cheapest option to Shannon, Clare, with prices starting at $518. Another option worth looking into is United Airlines, starting at $644 round trip.

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

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

  • How can I find direct flights from San Antonio to Shannon?

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

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

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

    Currently, February is the cheapest month in which you can book a flight from San Antonio to Shannon, Clare (average of $533). Flying from San Antonio to Shannon, Clare in June is currently the most expensive (average of $928). 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 2 airlines flying from San Antonio to Shannon

Discover the top 2 airlines that operate flights from San Antonio 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$518Average$909FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$644Average$950FlexibilityNo cancel feeOn-time69%

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