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Shannon

$818+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SNN
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$818
(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 August 20, 2025.

This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:16 pmSAT - SNN
2 stops16h 54mAmerican Airlines
Mon 9/297:40 amSNN - SAT
2 stops22h 15mAmerican Airlines
Deal found 8/18$818
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 10/36:45 amSAT - SNN
2 stops21h 30mUnited Airlines
Fri 10/1012:30 pmSNN - SAT
3 stops32h 55mUnited Airlines
Deal found 8/18$879
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:50 pmSAT - SNN
1 stop15h 25mMultiple Airlines
Fri 10/107:40 amSNN - SAT
2 stops18h 25mMultiple Airlines
Deal found 8/18$1,213
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.
Wed 9/2411:45 amSAT - SNN
2 stops16h 30mUnited Airlines
Mon 9/2912:30 pmSNN - SAT
2 stops16h 25mUnited Airlines
Deal found 8/18$1,282
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.
Sat 8/2312:57 pmSAT - SNN
1 stop12h 33mUnited Airlines
Thu 8/289:30 amSNN - SAT
1 stop19h 29mUnited Airlines
Deal found 8/18$1,381
This Delta deal was found by Cheapflights users on 8/19. 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.
Sat 8/236:40 amSAT - SNN
2 stops22h 30mDelta
Thu 8/281:05 pmSNN - SAT
2 stops28h 05mDelta
Deal found 8/19$1,385
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:20 pmSAT - SNN
1 stop14h 55mMultiple Airlines
Mon 9/297:40 amSNN - SAT
2 stops19h 11mMultiple Airlines
Deal found 8/18$1,625
This Arangrant 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/248:32 pmSAT - SNN
2 stops18h 03mBritish Airways
Mon 9/299:15 pmSNN - SAT
2 stops26h 32mBritish Airways
Deal found 8/18$1,798

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 August 20, 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

Wed 9/24

5:16 pm-4:10 pm

2 stops16h 54m

Shannon

Mon 9/29

7:40 am-9:54 pm

2 stops20h 14m

$818

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Fri 10/3

5:16 pm-3:50 pm

2 stops16h 34m

Shannon

Fri 10/10

7:40 am-9:57 pm

2 stops20h 17m

$818

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Fri 10/3

6:45 am-10:15 am

2 stops21h 30m

Shannon

Fri 10/10

12:30 pm-3:25 pm

3 stops32h 55m

$879

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Fri 10/3

12:50 pm-10:15 am

1 stop15h 25m

Shannon

Fri 10/10

7:40 am-8:05 pm

2 stops18h 25m

$1,213

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Wed 9/24

11:45 am-10:15 am

2 stops16h 30m

Shannon

Mon 9/29

12:30 pm-10:55 pm

2 stops16h 25m

$1,282

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Wed 9/24

1:20 pm-10:15 am

1 stop14h 55m

Shannon

Mon 9/29

7:40 am-8:51 pm

2 stops19h 11m

$1,625

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Wed 9/24

5:16 pm-8:35 pm

2 stops21h 19m

Shannon

Mon 9/29

9:15 pm-6:42 pm

2 stops27h 27m

$1,798

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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 $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 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 August 20, 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 August 20, 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
8,928 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

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

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

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??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,928 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

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 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 United Airlines can get you from San Antonio to Shannon, Clare in just under 16h 54m. Your travel time can differ by up to 4h 36m. 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 United Airlines is currently your cheapest option to Shannon, Clare, with prices starting at $644. Another option worth looking into is American Airlines, starting at $669 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 $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 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$644Average$977FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$669Average$956FlexibilityNo cancel feeOn-time71%

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