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Shannon

$640+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SNN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$640
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$1,148
From San Antonio to Shannon
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($176 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 7/3012:55 pmSAT - SNN
1 stop12h 35mUnited Airlines
Fri 8/159:30 amSNN - SAT
2 stops20h 29mUnited Airlines
Deal found 6/10$640
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2111:36 amSAT - SNN
1 stop17h 34mMultiple Airlines
Mon 8/41:05 pmSNN - SAT
2 stops15h 13mMultiple Airlines
Deal found 6/10$705
This Delta deal was found by Cheapflights users on 6/10. 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.
Mon 7/2111:36 amSAT - SNN
1 stop17h 34mDelta
Mon 8/41:05 pmSNN - SAT
1 stop27h 33mDelta
Deal found 6/10$713
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 9/216:29 pmSAT - SNN
2 stops15h 41mAmerican Airlines
Thu 10/27:40 amSNN - SAT
2 stops21h 04mAmerican Airlines
Deal found 6/11$758

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 June 12, 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 7/30

12:55 pm-7:30 am

1 stop12h 35m

Shannon

Fri 8/15

9:30 am-11:59 pm

2 stops20h 29m

$640

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Mon 7/21

11:36 am-11:10 am

1 stop17h 34m

Shannon

Mon 8/4

1:05 pm-10:18 pm

2 stops15h 13m

$705

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Mon 7/21

11:36 am-11:10 am

1 stop17h 34m

Shannon

Mon 8/4

1:05 pm-10:38 am

1 stop27h 33m

$713

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Sun 9/21

6:29 pm-4:10 pm

2 stops15h 41m

Shannon

Thu 10/2

7:40 am-10:44 pm

2 stops21h 04m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 $959). 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 June 12, 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.

Rainfall in Shannon by month

Plan your trip to Shannon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Shannon, Clare ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Shannon, Clare when rainfall is around 2.3 in.

Temperature in Shannon by month

Plan your trip to Shannon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Shannon, Clare, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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 June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $640. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $713 and $758, respectively. These flights start at 24% lower than the current average price 3 months from now.

  • 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 $959). 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 San Antonio?

Book flights to San Antonio 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$574Average$883FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$615Average$950FlexibilityNo cancel feeOn-time69%

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