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Cheap flights from San Francisco to Asuncion from $393

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 Francisco to Asuncion departing on 12/5. 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 Francisco to Asuncion

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
1:54 am - 3:11 amSFO-ASU
21h 17m1 stop
Copa Airlines Logo
1:59 am - 6:25 pmASU-SFO
20h 26m1 stop
$868Copa Airlines
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Tue, Mar 10 - Tue, Apr 28
LATAM Airlines Logo
6:00 am - 6:15 amSFO-ASU
20h 15m2 stops
LATAM Airlines Logo
8:25 am - 11:12 pmASU-SFO
18h 47m2 stops
$888LATAM Airlines
Find Deal
Wed, Mar 11 - Wed, Apr 29
LATAM Airlines Logo
10:40 pm - 6:10 amSFO-ASU
27h 30m2 stops
LATAM Airlines Logo
6:55 pm - 9:54 pmASU-SFO
30h 59m2 stops
$921LATAM Airlines
Find Deal
Mon, Apr 6 - Wed, Apr 8
Copa Airlines Logo
1:42 am - 12:14 amSFO-ASU
18h 32m1 stop
Copa Airlines Logo
6:42 am - 6:25 pmASU-SFO
15h 43m1 stop
$1,046Copa Airlines
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Sun, Apr 5 - Wed, Apr 8
LATAM Airlines Logo
3:35 pm - 5:40 pmSFO-ASU
45h 05m2 stops
LATAM Airlines Logo
8:25 am - 2:35 pmASU-SFO
35h 10m2 stops
$1,062LATAM Airlines
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Sat, Nov 15 - Sat, Nov 22
Avianca Logo
2:20 pm - 4:40 amSFO-ASU
34h 20m2 stops
Avianca Logo
8:10 am - 10:45 pmASU-SFO
18h 35m2 stops
$1,122Avianca
Find Deal
Mon, Apr 6 - Wed, Apr 8
Avianca Logo
12:10 am - 5:15 amSFO-ASU
25h 05m2 stops
Avianca Logo
8:10 am - 10:45 pmASU-SFO
18h 35m2 stops
$1,133Avianca
Find Deal
Tue, Mar 10 - Wed, Apr 29
Avianca Logo
12:05 am - 4:40 amSFO-ASU
48h 35m2 stops
Avianca Logo
8:10 am - 10:45 pmASU-SFO
18h 35m2 stops
$1,139Avianca
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Sun, Apr 5 - Wed, Apr 8
United Airlines Logo
11:59 pm - 5:30 amSFO-ASU
24h 31m2 stops
United Airlines Logo
6:33 am - 8:29 pmASU-SFO
18h 56m1 stop
$1,320United Airlines
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Sat, Nov 15 - Sat, Nov 22
United Airlines Logo
8:45 am - 5:30 amSFO-ASU
15h 45m1 stop
United Airlines Logo
6:33 am - 9:23 pmASU-SFO
43h 50m2 stops
$1,410United Airlines
Find Deal
Thu, Nov 27 - Mon, Dec 1

Avianca flights from San Francisco to Asuncion

Our best Avianca deals on San Francisco to Asuncion flight tickets
Avianca
Apr 6
SFO2:20 pmSan Francisco
34h 20m
2 stops
ASU4:40 amAsuncion Silvio Pettirossi
Apr 8
ASU8:10 amAsuncion Silvio Pettirossi
18h 35m
2 stops
SFO10:45 pmSan Francisco
$1,122
Find similar
Avianca
Mar 10
SFO12:10 amSan Francisco
25h 05m
2 stops
ASU5:15 amAsuncion Silvio Pettirossi
Apr 29
ASU8:10 amAsuncion Silvio Pettirossi
18h 35m
2 stops
SFO10:45 pmSan Francisco
$1,133
Find similar
Avianca
Apr 5
SFO12:05 amSan Francisco
48h 35m
2 stops
ASU4:40 amAsuncion Silvio Pettirossi
Apr 8
ASU8:10 amAsuncion Silvio Pettirossi
18h 35m
2 stops
SFO10:45 pmSan Francisco
$1,139
Find similar

United Airlines flights from San Francisco to Asuncion

Our best United Airlines deals on San Francisco to Asuncion flight tickets
United Airlines
Nov 3
SFO11:59 pmSan Francisco
24h 31m
2 stops
ASU5:30 amAsuncion Silvio Pettirossi
Nov 7
ASU6:33 amAsuncion Silvio Pettirossi
18h 56m
1 stop
SFO8:29 pmSan Francisco
$872
Find similar
United Airlines
Nov 3
SFO10:45 pmSan Francisco
25h 45m
2 stops
ASU5:30 amAsuncion Silvio Pettirossi
Nov 7
ASU6:33 amAsuncion Silvio Pettirossi
30h 02m
2 stops
SFO7:35 amSan Francisco
$883
Find similar
United Airlines
Nov 3
SFO8:45 amSan Francisco
34h 26m
1 stop
ASU12:11 amAsuncion Silvio Pettirossi
Nov 7
ASU6:33 amAsuncion Silvio Pettirossi
18h 56m
1 stop
SFO8:29 pmSan Francisco
$1,176
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momondo Fare Finder

 
Customize your flight search to find flights from San Francisco 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 October 30, 2025.
Use the filters below to find and compare flights from San Francisco to Asuncion that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 3/10

1:54 am-3:11 am

1 stop21h 17m

Asuncion Silvio Pettirossi

Tue 4/28

1:59 am-6:25 pm

1 stop20h 26m

$868

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Wed 3/11

6:00 am-6:15 am

2 stops20h 15m

Asuncion Silvio Pettirossi

Wed 4/29

8:25 am-11:12 pm

2 stops18h 47m

$888

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 4/6

10:40 pm-6:10 am

2 stops27h 30m

Asuncion Silvio Pettirossi

Wed 4/8

6:55 pm-9:54 pm

2 stops30h 59m

$921

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 4/5

1:42 am-12:14 am

1 stop18h 32m

Asuncion Silvio Pettirossi

Wed 4/8

6:42 am-6:25 pm

1 stop15h 43m

$1,046

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sat 11/15

3:35 pm-5:40 pm

2 stops45h 05m

Asuncion Silvio Pettirossi

Sat 11/22

8:25 am-2:35 pm

2 stops35h 10m

$1,062

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 4/6

2:20 pm-4:40 am

2 stops34h 20m

Asuncion Silvio Pettirossi

Wed 4/8

8:10 am-10:45 pm

2 stops18h 35m

$1,122

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 3/10

12:10 am-5:15 am

2 stops25h 05m

Asuncion Silvio Pettirossi

Wed 4/29

8:10 am-10:45 pm

2 stops18h 35m

$1,133

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 4/5

12:05 am-4:40 am

2 stops48h 35m

Asuncion Silvio Pettirossi

Wed 4/8

8:10 am-10:45 pm

2 stops18h 35m

$1,139

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sat 11/15

11:59 pm-5:30 am

2 stops24h 31m

Asuncion Silvio Pettirossi

Sat 11/22

6:33 am-8:29 pm

1 stop18h 56m

$1,320

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Thu 11/27

8:45 am-5:30 am

1 stop15h 45m

Asuncion Silvio Pettirossi

Mon 12/1

6:33 am-9:23 pm

2 stops43h 50m

$1,410

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Asuncion from

How to get the cheapest flight ticket from San Francisco to Asuncion

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

What is the cheapest month to fly to Asuncion?

The cheapest month to fly to Asuncion from San Francisco is in May. Flight prices, which tend to average around $578, are often lower during this time because this is during the off-season. If you don’t want to visit Asuncion in May, then you should wait until August to fly from San Francisco, when ticket prices are also cheap, with an average price of $639.

What is the cheapest day to depart on your flight to Asuncion?

According to our data, Thursday is the cheapest day to fly to Asuncion from San Francisco. The lowest ticket price found for a Thursday departure recently was $750. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Asuncion is Saturday, with ticket prices averaging around $1,124.

What is the cheapest time of day to depart on your flight to Asuncion?

The cheapest time of day to fly to Asuncion is in the morning when flights can be purchased for as low as $843. Flights in the evening are often more expensive with an average ticket price of $883.

Can stopping save me money on San Francisco to Asuncion flights?

You could potentially save up to 19% on your flight if you consider stops on a San Francisco to Asuncion flight.

How have San Francisco to Asuncion flight prices changed over time?

As of October 2025, prices for San Francisco to Asuncion flights are approximately 39% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Asuncion

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

Cheap San Francisco to Asuncion (SFO to ASU) flight deals and tips

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

Direct flights

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

    Asuncion Silvio Pettirossi is 6044.8 mi away from San Francisco. In terms of flight time, this usually takes a little over 15h 45m.

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

    Prices for flights from San Francisco Airport to Asuncion Silvio Pettirossi Airport refresh daily.

  • How many operators does momondo search for flights from San Francisco Airport to Asuncion Silvio Pettirossi Airport?

  • How old do you have to be to fly from San Francisco 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 Francisco Airport to Asuncion Silvio Pettirossi Airport.

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

    The required travel and health documents for your Asuncion Silvio Pettirossi 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 Asuncion Silvio Pettirossi 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 Francisco to Asuncion?

Best airlines flying from San Francisco to Asuncion

Compare and see reviews for airlines that fly from San Francisco to Asuncion with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $447Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $588Free CancellationRating
7.6
1,561 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $694Free CancellationRating
7.5
1,872 reviews
Search LATAM Airlines flights

Why use momondo?

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

It is quick and easy to find San Francisco to Asuncion flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Asuncion that suits you.

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

momondo does allow users to show only those flights to Asuncion from San Francisco which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Asuncion.

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

If you are simply researching potential flights to Asuncion, momondo offers a useful price alert feature which will track prices for flights to Asuncion from San Francisco and alert you when they change.

An easier way to manage your Asuncion trip

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