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Cheap flights from San Antonio to Asuncion from $1,217

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Asuncion departing on 3/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Antonio to Asuncion

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:30 am - 5:32 amSAT-ASU
16h 02m2 stops
United Airlines Logo
6:28 am - 9:10 pmASU-SAT
40h 42m2 stops
$1,217United Airlines
Find Deal
Sat, Mar 28 - Tue, Mar 31
United Airlines Logo
7:20 am - 5:30 amSAT-ASU
19h 10m2 stops
United Airlines Logo
6:33 am - 10:59 pmASU-SAT
43h 26m2 stops
$1,490United Airlines
Find Deal
Mon, Dec 8 - Thu, Dec 11

United Airlines flights from San Antonio to Asuncion

Our best United Airlines deals on San Antonio to Asuncion flight tickets
United Airlines
Mar 28
SAT4:10 pmSan Antonio
30h 05m
3 stops
ASU12:15 amAsuncion Silvio Pettirossi
Mar 31
ASU6:28 amAsuncion Silvio Pettirossi
28h 09m
2 stops
SAT8:37 amSan Antonio
$1,217
Find similar
United Airlines
Nov 18
SAT2:14 pmSan Antonio
36h 16m
2 stops
ASU5:30 amAsuncion Silvio Pettirossi
Nov 25
ASU6:33 amAsuncion Silvio Pettirossi
29h 15m
2 stops
SAT8:48 amSan Antonio
$1,289
Find similar
United Airlines
Dec 8
SAT7:20 amSan Antonio
19h 10m
2 stops
ASU5:30 amAsuncion Silvio Pettirossi
Dec 11
ASU6:33 amAsuncion Silvio Pettirossi
43h 26m
2 stops
SAT10:59 pmSan Antonio
$1,490
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Asuncion 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 November 17, 2025.
Use the filters below to find and compare flights from San Antonio to Asuncion that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioAsuncion

SAT - ASU

SATASU

San Antonio

Sat 3/28

11:30 am-5:32 am

2 stops16h 02m

Asuncion Silvio Pettirossi

Tue 3/31

6:28 am-9:10 pm

2 stops40h 42m

$1,217

San AntonioAsuncion

SAT - ASU

SATASU

San Antonio

Mon 12/8

7:20 am-5:30 am

2 stops19h 10m

Asuncion Silvio Pettirossi

Thu 12/11

6:33 am-10:59 pm

2 stops43h 26m

$1,490

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from San Antonio to Asuncion

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

Cheap San Antonio to Asuncion (SAT to ASU) flight deals and tips

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

Direct flights

None
There are no direct flights from San Antonio to Asuncion. There are no popular flight routes from San Antonio to Asuncion.
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  • How far is San Antonio to Asuncion Silvio Pettirossi by plane?

    San Antonio and Asuncion Silvio Pettirossi are 4647.1 mi apart from one another. Flights usually cover this in 19h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Antonio Airport to Asuncion Silvio Pettirossi Airport?

    Prices for flights from San Antonio Airport to Asuncion Silvio Pettirossi Airport are updated daily.

  • How old do you have to be to fly from San Antonio Airport to Asuncion Silvio Pettirossi Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Asuncion Silvio Pettirossi Airport.

  • What documentation or ID do you need to fly to Asuncion Silvio Pettirossi Airport?

    The travel and health documents you'll need for your trip to Asuncion Silvio Pettirossi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Asuncion Silvio Pettirossi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from San Antonio to Asuncion?

    Confirm your travel details to search for the latest offers for flights from San Antonio to Asuncion. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from San Antonio to Asuncion with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Antonio to Asuncion. momondo saves you time and could save you money on your trip.

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

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

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

momondo helps you find the best flight between San Antonio and Asuncion by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from San Antonio to Asuncion now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Asuncion and let you know when they change.

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