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Cheap flights from San Francisco to Asuncion from $453

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 5/20. 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

Enter your travel dates to find the best prices.
Avianca Logo
11:55 pm - 4:40 am
SFO
-
ASU
24h 45m
2 stops
Avianca Logo
8:25 am - 12:50 pm
ASU
-
SFO
32h 25m
2 stops
$978Avianca
Fri, Apr 24 - Sun, May 3
Avianca Logo
11:55 pm - 4:40 am
SFO
-
ASU
48h 45m
2 stops
Avianca Logo
8:25 am - 11:55 pm
ASU
-
SFO
43h 30m
2 stops
$979Avianca
Sun, May 10 - Wed, May 27
Copa Airlines Logo
1:23 am - 12:05 am
SFO
-
ASU
18h 42m
1 stop
Copa Airlines Logo
6:33 am - 11:40 pm
ASU
-
SFO
21h 07m
1 stop
$989Copa Airlines
Tue, Mar 31 - Tue, Apr 7
Copa Airlines Logo
1:12 am - 5:24 am
SFO
-
ASU
24h 12m
1 stop
Copa Airlines Logo
1:47 am - 6:14 pm
ASU
-
SFO
20h 27m
1 stop
$1,009Copa Airlines
Sat, May 9 - Tue, May 26
LATAM Airlines Logo
11:00 am - 5:40 pm
SFO
-
ASU
26h 40m
2 stops
LATAM Airlines Logo
8:10 am - 10:52 am
ASU
-
SFO
30h 42m
2 stops
$1,023LATAM Airlines
Wed, Apr 1 - Tue, Apr 7
Copa Airlines Logo
1:12 am - 2:54 am
SFO
-
ASU
21h 42m
1 stop
Copa Airlines Logo
6:33 am - 11:40 pm
ASU
-
SFO
21h 07m
1 stop
$1,029Copa Airlines
Fri, Sep 11 - Sat, Sep 19
LATAM Airlines Logo
8:55 am - 5:40 pm
SFO
-
ASU
28h 45m
2 stops
LATAM Airlines Logo
8:10 am - 10:52 am
ASU
-
SFO
30h 42m
2 stops
$1,038LATAM Airlines
Wed, Apr 1 - Tue, Apr 7
Copa Airlines Logo
1:23 am - 12:05 am
SFO
-
ASU
18h 42m
1 stop
Copa Airlines Logo
6:33 am - 11:40 pm
ASU
-
SFO
21h 07m
1 stop
$1,039Copa Airlines
Tue, Mar 31 - Tue, Apr 7
United Airlines Logo
6:55 pm - 5:33 am
SFO
-
ASU
30h 38m
2 stops
United Airlines Logo
6:33 am - 11:59 pm
ASU
-
SFO
21h 26m
2 stops
$1,048United Airlines
Wed, Apr 8 - Thu, Apr 30
Copa Airlines Logo
8:16 pm - 11:57 pm
SFO
-
ASU
23h 41m
1 stop
Copa Airlines Logo
1:47 am - 6:10 pm
ASU
-
SFO
20h 23m
1 stop
$1,059Copa Airlines
Tue, Jul 7 - Tue, Sep 29

LATAM Airlines flights from San Francisco to Asuncion

Our best LATAM Airlines deals on San Francisco to Asuncion flight tickets
LATAM Airlines
Apr 1
SFO11:00 amSan Francisco
26h 40m
2 stops
ASU5:40 pmAsuncion Silvio Pettirossi
Apr 7
ASU8:10 amAsuncion Silvio Pettirossi
30h 42m
2 stops
SFO10:52 amSan Francisco
$1,023
LATAM Airlines
Apr 1
SFO8:55 amSan Francisco
28h 45m
2 stops
ASU5:40 pmAsuncion Silvio Pettirossi
Apr 7
ASU8:10 amAsuncion Silvio Pettirossi
30h 42m
2 stops
SFO10:52 amSan Francisco
$1,038
LATAM Airlines
Apr 1
SFO11:00 amSan Francisco
26h 40m
2 stops
ASU5:40 pmAsuncion Silvio Pettirossi
Apr 7
ASU8:10 amAsuncion Silvio Pettirossi
30h 42m
2 stops
SFO10:52 amSan Francisco
$1,073

Copa Airlines flights from San Francisco to Asuncion

Our best Copa Airlines deals on San Francisco to Asuncion flight tickets
Copa Airlines
Mar 31
SFO1:23 amSan Francisco
18h 42m
1 stop
ASU12:05 amAsuncion Silvio Pettirossi
Apr 7
ASU6:33 amAsuncion Silvio Pettirossi
21h 07m
1 stop
SFO11:40 pmSan Francisco
$989
Copa Airlines
May 9
SFO1:12 amSan Francisco
24h 12m
1 stop
ASU5:24 amAsuncion Silvio Pettirossi
May 26
ASU1:47 amAsuncion Silvio Pettirossi
20h 27m
1 stop
SFO6:14 pmSan Francisco
$1,009
Copa Airlines
Sep 11
SFO1:12 amSan Francisco
21h 42m
1 stop
ASU2:54 amAsuncion Silvio Pettirossi
Sep 19
ASU6:33 amAsuncion Silvio Pettirossi
21h 07m
1 stop
SFO11:40 pmSan Francisco
$1,029

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 March 21, 2026.
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

Cheapest round-trip

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Fri 4/24

11:55 pm-4:40 am

2 stops24h 45m

Asuncion Silvio Pettirossi

Sun 5/3

8:25 am-12:50 pm

2 stops32h 25m

$978

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 5/10

11:55 pm-4:40 am

2 stops48h 45m

Asuncion Silvio Pettirossi

Wed 5/27

8:25 am-11:55 pm

2 stops43h 30m

$979
Quickest round-trip

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 3/31

1:23 am-12:05 am

1 stop18h 42m

Asuncion Silvio Pettirossi

Tue 4/7

6:33 am-11:40 pm

1 stop21h 07m

$989

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sat 5/9

1:12 am-5:24 am

1 stop24h 12m

Asuncion Silvio Pettirossi

Tue 5/26

1:47 am-6:14 pm

1 stop20h 27m

$1,009

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Wed 4/1

11:00 am-5:40 pm

2 stops26h 40m

Asuncion Silvio Pettirossi

Tue 4/7

8:10 am-10:52 am

2 stops30h 42m

$1,023

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Fri 9/11

1:12 am-2:54 am

1 stop21h 42m

Asuncion Silvio Pettirossi

Sat 9/19

6:33 am-11:40 pm

1 stop21h 07m

$1,029

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Wed 4/1

8:55 am-5:40 pm

2 stops28h 45m

Asuncion Silvio Pettirossi

Tue 4/7

8:10 am-10:52 am

2 stops30h 42m

$1,038

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 3/31

1:23 am-12:05 am

1 stop18h 42m

Asuncion Silvio Pettirossi

Tue 4/7

6:33 am-11:40 pm

1 stop21h 07m

$1,039

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Wed 4/8

6:55 pm-5:33 am

2 stops30h 38m

Asuncion Silvio Pettirossi

Thu 4/30

6:33 am-11:59 pm

2 stops21h 26m

$1,048

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 7/7

8:16 pm-11:57 pm

1 stop23h 41m

Asuncion Silvio Pettirossi

Tue 9/29

1:47 am-6:10 pm

1 stop20h 23m

$1,059

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

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

You could potentially save up to 17% 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 March 2026, prices for San Francisco to Asuncion flights are approximately 12% 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

Fastest flight time

18h 26m

Direct flights

None
The fastest flight from San Francisco to Asuncion takes 18h 26m
There are no direct flights from San Francisco to Asuncion. There are no popular flight routes from San Francisco to Asuncion.
Search flight deals

  • 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 26m.

  • 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
9,451 reviews
Search United Airlines flights
LATAM AirlinesPriceFrom $488Free CancellationRating
7.4
1,917 reviews
Search LATAM Airlines flights
Copa AirlinesPriceFrom $837Free CancellationRating
7.5
1,572 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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