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Cheap flights from San Francisco to Asuncion from $425

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 4/19. 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
2:20 pm - 5:15 am
SFO
-
ASU
34h 55m
2 stops
Avianca Logo
8:20 am - 11:40 pm
ASU
-
SFO
19h 20m
2 stops
$879Avianca
Tue, Mar 17 - Tue, Mar 24
LATAM Airlines Logo
6:00 am - 6:15 am
SFO
-
ASU
20h 15m
2 stops
LATAM Airlines Logo
11:20 am - 12:07 pm
ASU
-
SFO
28h 47m
2 stops
$881LATAM Airlines
Mon, Mar 9 - Thu, Mar 12
United Airlines Logo
11:59 pm - 5:32 am
SFO
-
ASU
25h 33m
2 stops
United Airlines Logo
6:42 am - 7:36 am
ASU
-
SFO
28h 54m
2 stops
$884United Airlines
Mon, Mar 9 - Thu, Mar 12
Copa Airlines Logo
1:54 am - 12:15 am
SFO
-
ASU
18h 21m
1 stop
Copa Airlines Logo
6:42 am - 11:40 pm
ASU
-
SFO
20h 58m
1 stop
$909Copa Airlines
Mon, Mar 16 - Tue, Mar 24
Copa Airlines Logo
8:35 pm - 12:05 am
SFO
-
ASU
23h 30m
1 stop
Copa Airlines Logo
6:33 am - 11:40 pm
ASU
-
SFO
21h 07m
1 stop
$929Copa Airlines
Wed, Apr 1 - Tue, Apr 7
Avianca Logo
2:20 pm - 5:15 am
SFO
-
ASU
34h 55m
3 stops
Avianca Logo
8:20 am - 11:40 pm
ASU
-
SFO
19h 20m
2 stops
$962Avianca
Tue, Mar 17 - Tue, Mar 24
Avianca Logo
11:55 pm - 4:40 am
SFO
-
ASU
24h 45m
2 stops
Avianca Logo
8:10 am - 10:35 pm
ASU
-
SFO
18h 25m
2 stops
$978Avianca
Mon, Jul 6 - Wed, Jul 15
Multiple Airlines Logo
2:20 pm - 5:15 am
SFO
-
ASU
34h 55m
3 stops
Multiple Airlines Logo
12:20 pm - 1:00 pm
ASU
-
SFO
28h 40m
3 stops
$1,055Multiple Airlines
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
11:55 pm - 4:40 am
SFO
-
ASU
24h 45m
2 stops
Multiple Airlines Logo
3:35 am - 11:55 pm
ASU
-
SFO
24h 20m
3 stops
$1,113Multiple Airlines
Mon, Jun 1 - Fri, Jun 19
Multiple Airlines Logo
11:55 pm - 6:05 am
SFO
-
ASU
26h 10m
3 stops
Multiple Airlines Logo
3:35 am - 10:35 pm
ASU
-
SFO
23h 00m
3 stops
$1,128Multiple Airlines
Mon, Jun 1 - Fri, Jun 19

Avianca flights from San Francisco to Asuncion

Our best Avianca deals on San Francisco to Asuncion flight tickets
Avianca
Mar 17
SFO2:20 pmSan Francisco
34h 55m
2 stops
ASU5:15 amAsuncion Silvio Pettirossi
Mar 24
ASU8:20 amAsuncion Silvio Pettirossi
19h 20m
2 stops
SFO11:40 pmSan Francisco
$879
Avianca
Mar 17
SFO2:20 pmSan Francisco
34h 55m
3 stops
ASU5:15 amAsuncion Silvio Pettirossi
Mar 24
ASU8:20 amAsuncion Silvio Pettirossi
19h 20m
2 stops
SFO11:40 pmSan Francisco
$962
Avianca
Jul 6
SFO11:55 pmSan Francisco
24h 45m
2 stops
ASU4:40 amAsuncion Silvio Pettirossi
Jul 15
ASU8:10 amAsuncion Silvio Pettirossi
18h 25m
2 stops
SFO10:35 pmSan Francisco
$978

Copa Airlines flights from San Francisco to Asuncion

Our best Copa Airlines deals on San Francisco to Asuncion flight tickets
Copa Airlines
Mar 16
SFO1:54 amSan Francisco
18h 21m
1 stop
ASU12:15 amAsuncion Silvio Pettirossi
Mar 24
ASU6:42 amAsuncion Silvio Pettirossi
20h 58m
1 stop
SFO11:40 pmSan Francisco
$909
Copa Airlines
Apr 1
SFO8:35 pmSan Francisco
23h 30m
1 stop
ASU12:05 amAsuncion Silvio Pettirossi
Apr 7
ASU6:33 amAsuncion Silvio Pettirossi
21h 07m
1 stop
SFO11:40 pmSan Francisco
$929
Copa Airlines
May 31
SFO1:12 amSan Francisco
18h 56m
1 stop
ASU12:08 amAsuncion Silvio Pettirossi
Jun 19
ASU3:58 amAsuncion Silvio Pettirossi
23h 42m
1 stop
SFO11:40 pmSan Francisco
$1,404

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 February 2, 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

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 3/17

2:20 pm-5:15 am

2 stops34h 55m

Asuncion Silvio Pettirossi

Tue 3/24

8:20 am-11:40 pm

2 stops19h 20m

$879

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 3/9

6:00 am-6:15 am

2 stops20h 15m

Asuncion Silvio Pettirossi

Thu 3/12

11:20 am-12:07 pm

2 stops28h 47m

$881

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 3/9

11:59 pm-5:32 am

2 stops25h 33m

Asuncion Silvio Pettirossi

Thu 3/12

6:42 am-7:36 am

2 stops28h 54m

$884

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 3/16

1:54 am-12:15 am

1 stop18h 21m

Asuncion Silvio Pettirossi

Tue 3/24

6:42 am-11:40 pm

1 stop20h 58m

$909

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Wed 4/1

8:35 pm-12:05 am

1 stop23h 30m

Asuncion Silvio Pettirossi

Tue 4/7

6:33 am-11:40 pm

1 stop21h 07m

$929

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 3/17

2:20 pm-5:15 am

3 stops34h 55m

Asuncion Silvio Pettirossi

Tue 3/24

8:20 am-11:40 pm

2 stops19h 20m

$962

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 7/6

11:55 pm-4:40 am

2 stops24h 45m

Asuncion Silvio Pettirossi

Wed 7/15

8:10 am-10:35 pm

2 stops18h 25m

$978

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 3/17

2:20 pm-5:15 am

3 stops34h 55m

Asuncion Silvio Pettirossi

Tue 3/24

12:20 pm-1:00 pm

3 stops28h 40m

$1,055

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 6/1

11:55 pm-4:40 am

2 stops24h 45m

Asuncion Silvio Pettirossi

Fri 6/19

3:35 am-11:55 pm

3 stops24h 20m

$1,113

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 6/1

11:55 pm-6:05 am

3 stops26h 10m

Asuncion Silvio Pettirossi

Fri 6/19

3:35 am-10:35 pm

3 stops23h 00m

$1,128

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 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 February 2026, prices for San Francisco to Asuncion flights are approximately 39% cheaper 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

20h 24m

Direct flights

None
The fastest flight from San Francisco to Asuncion takes 20h 24m
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 20h 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
9,232 reviews
Search United Airlines flights
LATAM AirlinesPriceFrom $488Free CancellationRating
7.5
1,918 reviews
Search LATAM Airlines flights
Copa AirlinesPriceFrom $578Free CancellationRating
7.5
1,559 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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