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Cheap flights from San Francisco to Asuncion from $410

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 9/26. 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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0 bags

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Find the cheapest flights from San Francisco to Asuncion

Cheap round-trip flights

Copa Airlines Logo
1:30 am - 11:54 pmSFO-ASU
18h 24m1 stop
Copa Airlines Logo
6:31 am - 11:25 pmASU-SFO
20h 54m1 stop
$868Copa Airlines
Find Deal
Tue, Aug 26 - Wed, Sep 3
United Airlines Logo
12:43 am - 5:26 amSFO-ASU
24h 43m2 stops
United Airlines Logo
1:45 am - 9:10 pmASU-SFO
23h 25m1 stop
$872United Airlines
Find Deal
Tue, Aug 26 - Tue, Sep 2
LATAM Airlines Logo
10:55 am - 6:00 pmSFO-ASU
27h 05m2 stops
LATAM Airlines Logo
8:25 am - 10:09 pmASU-SFO
17h 44m2 stops
$873LATAM Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
United Airlines Logo
12:43 am - 5:26 amSFO-ASU
24h 43m2 stops
United Airlines Logo
1:45 am - 7:49 amASU-SFO
34h 04m2 stops
$882United Airlines
Find Deal
Tue, Aug 26 - Tue, Sep 2
Copa Airlines Logo
1:30 am - 12:05 amSFO-ASU
18h 35m1 stop
Copa Airlines Logo
1:45 am - 11:25 pmASU-SFO
25h 40m1 stop
$888Copa Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
Logo
2:30 am - 6:10 amSFO-ASU
23h 40m3 stops
Logo
8:10 am - 10:45 pmASU-SFO
18h 35m2 stops
$904
Find Deal
Tue, Aug 26 - Wed, Sep 3
Copa Airlines Logo
1:30 am - 5:25 amSFO-ASU
23h 55m1 stop
Copa Airlines Logo
6:31 am - 11:25 pmASU-SFO
20h 54m1 stop
$908Copa Airlines
Find Deal
Fri, Sep 12 - Sat, Sep 20
Logo
1:30 am - 12:05 amSFO-ASU
18h 35m1 stop
Logo
8:10 am - 9:25 pmASU-SFO
41h 15m2 stops
$940
Find Deal
Sat, Sep 13 - Sun, Sep 21
LATAM Airlines Logo
10:55 am - 5:55 pmSFO-ASU
27h 00m2 stops
LATAM Airlines Logo
3:10 am - 10:49 pmASU-SFO
23h 39m2 stops
$952LATAM Airlines
Find Deal
Sun, Aug 24 - Mon, Aug 25
Avianca Logo
2:30 am - 4:40 amSFO-ASU
46h 10m2 stops
Avianca Logo
8:10 am - 12:35 pmASU-SFO
56h 25m2 stops
$1,028Avianca
Find Deal
Tue, Aug 26 - Wed, Sep 3

Copa Airlines flights from San Francisco to Asuncion

Our best Copa Airlines deals on San Francisco to Asuncion flight tickets
Copa Airlines
Aug 26
SFO1:30 amSan Francisco
18h 24m
1 stop
ASU11:54 pmAsuncion Silvio Pettirossi
Sep 3
ASU6:31 amAsuncion Silvio Pettirossi
20h 54m
1 stop
SFO11:25 pmSan Francisco
$868
Find similar
Copa Airlines
Sep 13
SFO1:30 amSan Francisco
18h 35m
1 stop
ASU12:05 amAsuncion Silvio Pettirossi
Sep 20
ASU1:45 amAsuncion Silvio Pettirossi
25h 40m
1 stop
SFO11:25 pmSan Francisco
$888
Find similar
Copa Airlines
Sep 12
SFO1:30 amSan Francisco
23h 55m
1 stop
ASU5:25 amAsuncion Silvio Pettirossi
Sep 20
ASU6:31 amAsuncion Silvio Pettirossi
20h 54m
1 stop
SFO11:25 pmSan Francisco
$908
Find similar

United Airlines flights from San Francisco to Asuncion

Our best United Airlines deals on San Francisco to Asuncion flight tickets
United Airlines
Aug 26
SFO12:43 amSan Francisco
24h 43m
2 stops
ASU5:26 amAsuncion Silvio Pettirossi
Sep 2
ASU1:45 amAsuncion Silvio Pettirossi
23h 25m
1 stop
SFO9:10 pmSan Francisco
$872
Find similar
United Airlines
Aug 26
SFO12:43 amSan Francisco
24h 43m
2 stops
ASU5:26 amAsuncion Silvio Pettirossi
Sep 2
ASU1:45 amAsuncion Silvio Pettirossi
34h 04m
2 stops
SFO7:49 amSan Francisco
$882
Find similar
United Airlines
Sep 13
SFO2:48 pmSan Francisco
29h 17m
2 stops
ASU12:05 amAsuncion Silvio Pettirossi
Sep 19
ASU1:45 amAsuncion Silvio Pettirossi
23h 25m
1 stop
SFO9:10 pmSan Francisco
$1,046
Find similar

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 July 31, 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 8/26

1:30 am-11:54 pm

1 stop18h 24m

Asuncion Silvio Pettirossi

Wed 9/3

6:31 am-11:25 pm

1 stop20h 54m

$868

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 8/26

12:43 am-5:26 am

2 stops24h 43m

Asuncion Silvio Pettirossi

Tue 9/2

1:45 am-9:10 pm

1 stop23h 25m

$872

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Wed 8/27

10:55 am-6:00 pm

2 stops27h 05m

Asuncion Silvio Pettirossi

Wed 9/3

8:25 am-10:09 pm

2 stops17h 44m

$873

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 8/26

12:43 am-5:26 am

2 stops24h 43m

Asuncion Silvio Pettirossi

Tue 9/2

1:45 am-7:49 am

2 stops34h 04m

$882

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sat 9/13

1:30 am-12:05 am

1 stop18h 35m

Asuncion Silvio Pettirossi

Sat 9/20

1:45 am-11:25 pm

1 stop25h 40m

$888

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 8/26

2:30 am-6:10 am

3 stops23h 40m

Asuncion Silvio Pettirossi

Wed 9/3

8:10 am-10:45 pm

2 stops18h 35m

$904

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Fri 9/12

1:30 am-5:25 am

1 stop23h 55m

Asuncion Silvio Pettirossi

Sat 9/20

6:31 am-11:25 pm

1 stop20h 54m

$908

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sat 9/13

1:30 am-12:05 am

1 stop18h 35m

Asuncion Silvio Pettirossi

Sun 9/21

8:10 am-9:25 pm

2 stops41h 15m

$940

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 8/24

10:55 am-5:55 pm

2 stops27h 00m

Asuncion Silvio Pettirossi

Mon 8/25

3:10 am-10:49 pm

2 stops23h 39m

$952

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 8/26

2:30 am-4:40 am

2 stops46h 10m

Asuncion Silvio Pettirossi

Wed 9/3

8:10 am-12:35 pm

2 stops56h 25m

$1,028

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 October to fly from San Francisco, when ticket prices are also cheap, with an average price of $815.

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 75% 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 July 2025, prices for San Francisco to Asuncion flights are approximately 30% 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

Best Price Found

$410

Fastest flight time

14h 30m

Direct flights

None

Airports in Asuncion

1 airport
The best one-way flight to Asuncion from San Francisco in the past 72 hours is $410. The best round-trip flight deal from San Francisco to Asuncion found on momondo in the last 72 hours is $868.
The fastest flight from San Francisco to Asuncion takes 14h 30m
There are no direct flights from San Francisco to Asuncion. Popular non-direct route for this connection is San Francisco Airport - Asuncion Silvio Pettirossi Airport.
There is 1 airport near Asuncion: Asuncion Silvio Pettirossi (ASU)
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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 18h 24m.

  • 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 $414Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
LATAM AirlinesPriceFrom $760Free CancellationRating
7.5
1,822 reviews
Search LATAM Airlines flights
Copa AirlinesPriceFrom $797Free CancellationRating
7.5
1,493 reviews
Search Copa 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.

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