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Shannon

$564+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SNN
Apr 3 — Apr 101
Fri 4/3
Fri 4/10
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 March 4, 2026.

This United Airlines deal was found by Cheapflights users on 3/3. 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 8/235:57 pm
SAT
-
SNN
2 stops31h 33m
United Airlines
Thu 8/279:30 am
SNN
-
SAT
2 stops20h 19m
United Airlines
Deal found 3/3$564
This United Airlines deal was found by Cheapflights users on 3/1. 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 4/1611:46 am
SAT
-
SNN
2 stops16h 29m
United Airlines
Thu 4/2312:30 pm
SNN
-
SAT
2 stops26h 12m
United Airlines
Deal found 3/1$612
This United Airlines deal was found by Cheapflights users on 3/1. 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 5/111:45 am
SAT
-
SNN
2 stops16h 30m
United Airlines
Fri 5/812:30 pm
SNN
-
SAT
2 stops14h 50m
United Airlines
Deal found 3/1$662
This United Airlines deal was found by Cheapflights users on 3/3. 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 8/281:40 pm
SAT
-
SNN
1 stop11h 50m
United Airlines
Sun 9/69:30 am
SNN
-
SAT
1 stop12h 38m
United Airlines
Deal found 3/3$684
This United Airlines deal was found by Cheapflights users on 2/27. 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 9/257:00 pm
SAT
-
SNN
2 stops33h 15m
United Airlines
Mon 10/1212:30 pm
SNN
-
SAT
2 stops33h 08m
United Airlines
Deal found 2/27$802
This Expedia deal was found by Cheapflights users on 2/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/110:23 am
SAT
-
SNN
2 stops27h 02m
Multiple Airlines
Sat 3/75:25 pm
SNN
-
SAT
2 stops30h 45m
Multiple Airlines
Deal found 2/28$831
This oojo deal was found by Cheapflights users on 2/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/283:24 pm
SAT
-
SNN
2 stops47h 11m
British Airways
Sat 4/45:25 pm
SNN
-
SAT
2 stops36h 34m
British Airways
Deal found 2/28$835
This Gurufare deal was found by Cheapflights users on 3/1. 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.
Thu 4/1612:15 pm
SAT
-
SNN
1 stop16h 00m
Multiple Airlines
Thu 4/237:30 am
SNN
-
SAT
2 stops21h 28m
Multiple Airlines
Deal found 3/1$885
This Cheapflightsfares deal was found by Cheapflights users on 2/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:53 pm
SAT
-
SNN
2 stops17h 52m
British Airways
Sun 5/247:30 am
SNN
-
SAT
2 stops19h 36m
British Airways
Deal found 2/28$935

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 March 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$564
(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 March 4, 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

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Sun 8/23

5:57 pm-7:30 am

2 stops31h 33m

Shannon

Thu 8/27

9:30 am-11:49 pm

2 stops20h 19m

$564

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Thu 4/16

11:46 am-10:15 am

2 stops16h 29m

Shannon

Thu 4/23

12:30 pm-8:42 am

2 stops26h 12m

$612

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Fri 5/1

11:45 am-10:15 am

2 stops16h 30m

Shannon

Fri 5/8

12:30 pm-9:20 pm

2 stops14h 50m

$662

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Fri 8/28

6:40 am-7:30 am

1 stop18h 50m

Shannon

Sun 9/6

9:30 am-10:55 pm

1 stop19h 25m

$684

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Fri 8/28

12:15 pm-11:10 am

2 stops16h 55m

Shannon

Sun 9/6

1:05 pm-12:15 am

2 stops17h 10m

$688

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Fri 8/28

12:10 pm-11:10 am

1 stop17h 00m

Shannon

Sun 9/6

1:05 pm-9:39 am

2 stops26h 34m

$688

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Sat 3/28

3:24 pm-7:35 pm

2 stops47h 11m

Shannon

Sat 4/4

5:25 pm-11:59 pm

2 stops36h 34m

$835

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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.

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, October is the cheapest month in which you can book a flight from San Antonio to Shannon, Clare (average of $427). Flying from San Antonio to Shannon, Clare in April is currently the most expensive (average of $914). 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.

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 March 4, 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
9,382 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,382 reviews
United Airlines
7.4
Good
9,382 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,378 reviews
United Airlines
7.4
Good
9,382 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 31h 33m. 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 $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, October is the cheapest month in which you can book a flight from San Antonio to Shannon, Clare (average of $427). Flying from San Antonio to Shannon, Clare in April is currently the most expensive (average of $914). 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 March 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$518Average$816FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$644Average$950FlexibilityNo cancel feeOn-time69%

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