$2,074+ 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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SNN
Dec 17 — Dec 241
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 November 17, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 1 star |
Round-trip from | $899 (American Airlines) |
Find flight deals from San Antonio to Shannon
Cheapest flights from San Antonio to ShannonExplore 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 November 17, 2025.
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 November 17, 2025.
This British Airways deal was found by Cheapflights users on 11/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1812:56 pmSAT - SNN
2 stops16h 34mBritish Airways
Tue 12/237:50 amSNN - SAT
2 stops21h 03mBritish Airways
Deal found 11/17![British Airways logo]()
$2,074
This Air Canada deal was found by Cheapflights users on 11/17. 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.
Thu 12/189:51 amSAT - SNN
3 stops19h 39mAir Canada
Tue 12/237:50 amSNN - SAT
3 stops31h 00mAir Canada
Deal found 11/17![Air Canada logo]()
$2,727
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 November 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
Thu 12/18
12:56 pm-11:30 am
2 stops16h 34m
Shannon
Tue 12/23
7:50 am-10:53 pm
2 stops21h 03m
$2,074
San AntonioShannon
SAT - SNN
SATSNN
San Antonio
Thu 12/18
9:51 am-11:30 am
3 stops19h 39m
Shannon
Tue 12/23
7:50 am-8:50 am
3 stops31h 00m
$2,727
- 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 $458). Flying from San Antonio to Shannon, Clare in April is currently the most expensive (average of $1,329). 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 November 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 25% 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 November 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.
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.6
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.6
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.6
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
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.
Traveling to a place near Shannon?
Book flights to Shannon if you plan to visit one of these locationsEnnis
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Alternative routes for San Antonio to Shannon
See prices for flight routes from nearby airports that may be better suited for you.
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 November 17, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$518 | Average$869 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$644 | Average$950 | FlexibilityNo cancel fee | On-time69% |