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Cheap flights from San Antonio to Shannon from $840

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Shannon departing on 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Shannon

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
2:05 pm - 11:30 amSAT  San Antonio-SNN Shannon
15h 25m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
8:05 pm - 6:21 pmSNN  Shannon-SAT San Antonio
28h 16m2 stops London Heathrow Dallas/Fort Worth
$974British Airways
Fri, Dec 4 - Mon, Dec 14
United Airlines Logo
1:00 pm - 10:15 amSAT  San Antonio-SNN Shannon
15h 15m1 stop Newark
United Airlines Logo
12:30 pm - 12:11 pmSNN  Shannon-SAT San Antonio
29h 41m2 stops Newark Chicago O'Hare Intl
$1,016United Airlines
Mon, Sep 7 - Wed, Oct 7
United Airlines Logo
7:35 am - 7:30 amSAT  San Antonio-SNN Shannon
17h 55m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
12:30 pm - 10:43 amSNN  Shannon-SAT San Antonio
28h 13m2 stops Newark Houston George Bush Intcntl
$1,016United Airlines
Mon, Sep 7 - Wed, Oct 7
Aer Lingus Logo
7:10 am - 11:30 amSAT  San Antonio-SNN Shannon
22h 20m2 stops Chicago O'Hare Intl London Heathrow
Aer Lingus Logo
2:00 pm - 11:48 amSNN  Shannon-SAT San Antonio
27h 48m1 stop New York John F Kennedy Intl
$1,140Aer Lingus
Fri, Dec 4 - Mon, Dec 14
Lufthansa Logo
5:27 pm - 7:30 amSAT  San Antonio-SNN Shannon
32h 03m1 stop Chicago O'Hare Intl
Lufthansa Logo
12:30 pm - 3:12 pmSNN  Shannon-SAT San Antonio
32h 42m1 stop Newark
$1,335Lufthansa
Mon, Sep 7 - Wed, Oct 7
Air Canada Logo
4:12 pm - 4:10 pmSAT  San Antonio-SNN Shannon
17h 58m3 stops Houston George Bush Intcntl Toronto Pearson Intl London Heathrow
Air Canada Logo
7:30 am - 9:13 pmSNN  Shannon-SAT San Antonio
19h 43m2 stops London Heathrow Toronto Pearson Intl
$1,517Air Canada
Mon, Sep 7 - Wed, Oct 7
Aer Lingus Logo
7:00 am - 5:55 amSAT  San Antonio-SNN Shannon
16h 55m1 stop Newark
Aer Lingus Logo
2:00 pm - 11:48 amSNN  Shannon-SAT San Antonio
27h 48m1 stop New York John F Kennedy Intl
$1,585Aer Lingus
Fri, Dec 4 - Mon, Dec 14
Air Canada Logo
10:00 am - 11:30 amSAT  San Antonio-SNN Shannon
19h 30m3 stops Houston George Bush Intcntl Montreal Pierre Elliott Trudeau Intl London Heathrow
Air Canada Logo
7:50 am - 8:48 amSNN  Shannon-SAT San Antonio
30h 58m3 stops London Heathrow Montreal Pierre Elliott Trudeau Intl Houston George Bush Intcntl
$1,965Air Canada
Fri, Dec 4 - Mon, Dec 14

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Aer Lingus flights from San Antonio to Shannon, Clare

Our best Aer Lingus deals on San Antonio to Shannon, Clare flight tickets
Aer Lingus
Dec 4
SAT7:10 amSan Antonio
22h 20m
2 stops
SNN11:30 amShannon
Dec 14
SNN2:00 pmShannon
27h 48m
1 stop
SAT11:48 amSan Antonio
$1,140
Aer Lingus
Dec 4
SAT7:00 amSan Antonio
16h 55m
1 stop
SNN5:55 amShannon
Dec 14
SNN2:00 pmShannon
27h 48m
1 stop
SAT11:48 amSan Antonio
$1,585

Air Canada flights from San Antonio to Shannon, Clare

Our best Air Canada deals on San Antonio to Shannon, Clare flight tickets
Air Canada
Sep 7
SAT4:12 pmSan Antonio
17h 58m
3 stops
SNN4:10 pmShannon
Oct 7
SNN7:30 amShannon
19h 43m
2 stops
SAT9:13 pmSan Antonio
$1,517
Air Canada
Dec 4
SAT10:00 amSan Antonio
19h 30m
3 stops
SNN11:30 amShannon
Dec 14
SNN7:50 amShannon
30h 58m
3 stops
SAT8:48 amSan Antonio
$1,965

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Shannon, Clare 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, momondo users made 832,500 searches. Data last updated August 16, 2026.
Use the filters below to find and compare flights from San Antonio to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioShannon

SAT San Antonio - SNN Shannon

SATSNN

San Antonio

Fri 12/4

2:05 pm-11:30 am

2 stops15h 25m

Shannon

Mon 12/14

8:05 pm-6:21 pm

2 stops28h 16m

$974

San AntonioShannon

SAT San Antonio - SNN Shannon

SATSNN

San Antonio

Mon 9/7

1:00 pm-10:15 am

1 stop15h 15m

Shannon

Wed 10/7

12:30 pm-12:11 pm

2 stops29h 41m

$1,016

San AntonioShannon

SAT San Antonio - SNN Shannon

SATSNN

San Antonio

Mon 9/7

7:35 am-7:30 am

2 stops17h 55m

Shannon

Wed 10/7

12:30 pm-10:43 am

2 stops28h 13m

$1,016

San AntonioShannon

SAT San Antonio - SNN Shannon

SATSNN

San Antonio

Fri 12/4

7:10 am-11:30 am

2 stops22h 20m

Shannon

Mon 12/14

2:00 pm-11:48 am

1 stop27h 48m

$1,140

San AntonioShannon

SAT San Antonio - SNN Shannon

SATSNN

San Antonio

Mon 9/7

5:27 pm-7:30 am

1 stop32h 03m

Shannon

Wed 10/7

12:30 pm-3:12 pm

1 stop32h 42m

$1,335
Quickest round-trip

San AntonioShannon

SAT San Antonio - SNN Shannon

SATSNN

San Antonio

Mon 9/7

4:12 pm-4:10 pm

3 stops17h 58m

Shannon

Wed 10/7

7:30 am-9:13 pm

2 stops19h 43m

$1,517

San AntonioShannon

SAT San Antonio - SNN Shannon

SATSNN

San Antonio

Fri 12/4

7:00 am-5:55 am

1 stop16h 55m

Shannon

Mon 12/14

2:00 pm-11:48 am

1 stop27h 48m

$1,585

San AntonioShannon

SAT San Antonio - SNN Shannon

SATSNN

San Antonio

Fri 12/4

10:00 am-11:30 am

3 stops19h 30m

Shannon

Mon 12/14

7:50 am-8:48 am

3 stops30h 58m

$1,965
Cheapest one-way

San AntonioShannon

SAT San Antonio - SNN Shannon

SATSNN

San Antonio

Mon 8/24

1:33 pm-4:10 pm

2 stops20h 37m

$840
Quickest one-way

San AntonioShannon

SAT San Antonio - SNN Shannon

SATSNN

San Antonio

Mon 8/24

1:43 pm-4:10 pm

2 stops20h 27m

$845

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Antonio to Shannon, Clare

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on San Antonio to Shannon, Clare flights?

You could potentially save up to 16% on your flight if you consider stops on a San Antonio to Shannon, Clare flight.

When to book flights from San Antonio to Shannon, Clare

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Shannon, Clare according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Shannon, Clare (SAT to SNN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Shannon, Clare

Fastest flight time

15h 15m

Direct flights

None
The fastest flight from San Antonio to Shannon, Clare takes 15h 15m
There are no direct flights from San Antonio to Shannon, Clare. There are no popular flight routes from San Antonio to Shannon, Clare.
Search flight deals

Frequently asked questions about flying from San Antonio to Shannon, Clare

  • How far is San Antonio to Shannon by plane?

    The straight-line distance from San Antonio to Shannon is 4611.0 mi. Typically, this will take 15h 15m by plane in normal conditions.

  • When did momondo last update prices for flights from San Antonio Airport to Shannon Airport?

    Prices for flights from San Antonio Airport to Shannon Airport were last updated today.

  • How many operators does momondo search for flights from San Antonio Airport to Shannon Airport?

  • How old do you have to be to fly from San Antonio Airport to Shannon Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Shannon Airport.

  • What documentation or ID do you need to fly to Shannon Airport?

    The required travel and health documents for your Shannon Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Shannon Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from San Antonio to Shannon, Clare?

Best airlines flying from San Antonio to Shannon, Clare

Compare and see reviews for airlines that fly from San Antonio to Shannon, Clare with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $517Free CancellationRating
7.1
11,947 reviews
Search American Airlines flights

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Ennis
Adare
Bunratty
Lahinch
Tipperary

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Shannon?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to Shannon for you.

Can I find flights from San Antonio to Shannon with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Antonio to Shannon flights to just show those with flexible booking policies.

How can momondo help me find flights from San Antonio to Shannon?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Shannon from San Antonio.

I’m not ready to book a flight from San Antonio to Shannon right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Shannon from San Antonio. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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