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Shannon

$791+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SNN
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
1 adult, Economy
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Cheap 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 May 18, 2026.

This United Airlines deal was found by Cheapflights users on 5/14. 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.
Sun 9/66:36 am
SAT
-
SNN
1 stop18h 54m
United Airlines
Wed 9/99:30 am
SNN
-
SAT
1 stop19h 21m
United Airlines
Deal found 5/14$791
This United Airlines deal was found by Cheapflights users on 5/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:40 am
SAT
-
SNN
1 stop18h 50m
United Airlines
Tue 6/29:30 am
SNN
-
SAT
1 stop19h 28m
United Airlines
Deal found 5/17$1,035
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Thu 7/96:40 am
SAT
-
SNN
1 stop18h 50m
United Airlines
Fri 7/179:30 am
SNN
-
SAT
1 stop12h 59m
United Airlines
Deal found 5/15$1,123
This United Airlines deal was found by Cheapflights users on 5/13. 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 6/91:20 pm
SAT
-
SNN
1 stop12h 10m
United Airlines
Tue 6/169:30 am
SNN
-
SAT
1 stop13h 00m
United Airlines
Deal found 5/13$1,165
This United Airlines deal was found by Cheapflights users on 5/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1511:43 am
SAT
-
SNN
2 stops13h 47m
United Airlines
Sun 6/219:30 am
SNN
-
SAT
1 stop13h 00m
United Airlines
Deal found 5/17$1,217
This United Airlines deal was found by Cheapflights users on 5/14. 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.
Sun 6/71:20 pm
SAT
-
SNN
1 stop12h 10m
United Airlines
Sun 6/149:30 am
SNN
-
SAT
2 stops35h 51m
United Airlines
Deal found 5/14$1,323

Find 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 May 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$791
(United Airlines)
Provider with most accurate pricing for San Antonio-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Shannon flights.
Search Deals
From San Antonio to Shannon
Search Deals

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 May 18, 2026.
Use the filters below to find and compare flights from San Antonio to Shannon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Sun 9/6

12:55 pm-7:30 am

1 stop12h 35m

Shannon

Wed 9/9

9:30 am-4:31 pm

1 stop13h 01m

$791
Quickest round-trip

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Tue 6/9

1:20 pm-7:30 am

1 stop12h 10m

Shannon

Tue 6/16

9:30 am-4:30 pm

1 stop13h 00m

$1,165

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Thu 7/9

7:43 am-7:30 am

2 stops17h 47m

Shannon

Fri 7/17

9:30 am-9:13 pm

2 stops17h 43m

$1,312
Cheapest one-way

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Mon 8/24

2:45 pm-4:10 pm

2 stops19h 25m

$955

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Tue 7/21

4:25 pm-4:10 pm

2 stops17h 45m

$1,016

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Tue 7/21

5:32 pm-7:30 am

1 stop31h 58m

$3,634
Quickest one-way

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Mon 8/24

1:00 pm-10:15 am

1 stop15h 15m

$3,732

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Sorted by cheapest first

Compare providers for flights from San Antonio 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 San Antonio to Shannon in May.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 San Antonio-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Shannon, Clare flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Shannon, Clare flights, Cheapflights users trust FlightHub the most. FlightHub 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 San Antonio-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 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.

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 May 18, 2026.
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
9,737 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,737 reviews
United Airlines
7.4
Good
9,737 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
American Airlines
7.1
Good
11,649 reviews
United Airlines
7.4
Good
9,737 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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?

    United Airlines can get you from San Antonio to Shannon, Clare in just under 12h 35m. Your travel time can differ by up to . San Antonio and Shannon, Clare are separated by a distance of 4603 mi.

  • 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 $517. 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.

See more FAQs

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
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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 May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$517Average$518FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$644Average$908FlexibilityNo cancel feeOn-time69%

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