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Asuncion

$419+ Cheap flights from San Francisco (SFO) to Asuncion (ASU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ASU
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from San Francisco to Asuncion

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Asuncion (ASU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$868
(Copa Airlines)

One-way from

$419
(Flightnetwork)

Popular in

February

Cheapest in

May

Average price

$1,022
From San Francisco to Asuncion Silvio Pettirossi
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One-way flight from San Francisco to Asuncion Silvio Pettirossi
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Highest demand for flights based on searches. 23% potential increase in price ($325 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from San Francisco to Asuncion

Cheapest flights from San Francisco to Asuncion
Explore the most affordable flight options available from San Francisco to Asuncion. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Copa Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/121:31 amSFO - ASU
1 stop18h 30mCopa Airlines
Mon 10/206:32 amASU - SFO
1 stop21h 07mCopa Airlines
Deal found 9/14$868
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:55 amSFO - ASU
1 stop14h 30mUnited Airlines
Sat 9/271:45 amASU - SFO
1 stop23h 25mUnited Airlines
Deal found 9/14$870
This Copa Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/141:30 amSFO - ASU
1 stop18h 35mCopa Airlines
Sun 9/286:31 amASU - SFO
1 stop20h 54mCopa Airlines
Deal found 9/14$888
This United deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:25 pmSFO - ASU
2 stops20h 40mMultiple Airlines
Sun 9/288:10 amASU - SFO
2 stops29h 20mMultiple Airlines
Deal found 9/14$935
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:15 amSFO - ASU
2 stops29h 25mLATAM Airlines
Mon 10/208:25 amASU - SFO
2 stops19h 33mLATAM Airlines
Deal found 9/15$955
This LATAM Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:20 amSFO - ASU
2 stops17h 50mLATAM Airlines
Mon 10/208:25 amASU - SFO
2 stops29h 33mLATAM Airlines
Deal found 9/15$1,006
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/132:20 pmSFO - ASU
2 stops34h 20mMultiple Airlines
Mon 10/2012:30 pmASU - SFO
3 stops28h 05mMultiple Airlines
Deal found 9/14$1,031
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1312:05 amSFO - ASU
2 stops24h 35mMultiple Airlines
Mon 10/2012:30 pmASU - SFO
3 stops28h 05mMultiple Airlines
Deal found 9/15$1,034

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from San Francisco to Asuncion that are best for you.

Fly from

San Francisco

Fly to

Asuncion

Route

Depart

Return

Price

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 10/12

1:31 am-12:01 am

1 stop18h 30m

Asuncion Silvio Pettirossi

Mon 10/20

6:32 am-11:39 pm

1 stop21h 07m

$868

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 10/13

1:31 am-5:25 am

1 stop23h 54m

Asuncion Silvio Pettirossi

Mon 10/20

6:32 am-11:39 pm

1 stop21h 07m

$888

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 2/17

8:45 am-5:32 am

1 stop15h 47m

Asuncion Silvio Pettirossi

Sun 2/22

1:59 am-8:29 pm

1 stop23h 30m

$1,148

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 2/17

8:45 am-5:32 am

1 stop15h 47m

Asuncion Silvio Pettirossi

Mon 2/23

1:59 am-8:29 pm

1 stop23h 30m

$1,148

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 2/17

8:45 am-5:32 am

1 stop15h 47m

Asuncion Silvio Pettirossi

Thu 2/19

1:59 am-5:54 pm

2 stops20h 55m

$1,148

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 2/16

7:10 pm-5:32 am

2 stops29h 22m

Asuncion Silvio Pettirossi

Thu 2/19

1:59 am-8:29 pm

1 stop23h 30m

$1,152

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 10/13

10:55 am-12:01 am

1 stop33h 06m

Asuncion Silvio Pettirossi

Sun 10/19

1:45 am-6:55 pm

2 stops45h 10m

$1,205

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 12/28

11:10 pm-5:15 am

2 stops25h 05m

$420

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 12/30

8:45 am-5:30 am

1 stop15h 45m

$425

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 12/29

8:45 am-5:30 am

1 stop15h 45m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 14 results
1
2

Best time to book a flight from San Francisco to Asuncion

Have a flexible travel schedule? Discover the best time to fly to Asuncion from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Asuncion

Get insights into the airlines that provide service to Asuncion. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Asuncion. Reviews last updated September 15, 2025.
Read reviews from past customers who have flown Copa Airlines, LATAM Airlines, and United Airlines from San Francisco to Asuncion. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,531 reviews

Comfort

7.4

Overall

7.6

Food

6.8

Boarding

7.8

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Copa Airlines
7.6
Good
1,531 reviews
Copa Airlines
7.6
Good
1,531 reviews

Comfort

7.4

Overall

7.6

Food

6.8

Boarding

7.8

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
LATAM Airlines
7.5
Good
1,847 reviews
Copa Airlines
7.6
Good
1,531 reviews

Comfort

7.4

Overall

7.6

Food

6.8

Boarding

7.8

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
United Airlines
7.4
Good
8,929 reviews
Copa Airlines
7.6
Good
1,531 reviews

Comfort

7.4

Overall

7.6

Food

6.8

Boarding

7.8

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Asuncion. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Francisco to Asuncion?

    There are many flights that can get you from San Francisco to Asuncion in 15h 47m. Fly via Copa Airlines or United Airlines to get the fastest option. The distance from San Francisco to Asuncion is about 6040 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Francisco to Asuncion round-trip?

    Cheapflights users have booked flights from San Francisco to Asuncion round-trip from $424. Other airlines that can offer you cheap pricing are LATAM Airlines, from $488, and Copa Airlines, from $797. These flights start at 59% lower than the current average price 3 months from now.

  • Can I find deals for flights from San Francisco to Asuncion that include hotel bookings?

    Yes. In addition to deals on San Francisco to Asuncion flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Asuncion?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Asuncion.

  • Can I find deals for business class flights from San Francisco to Asuncion?

    Yes. Cheapflights offers flight deals from San Francisco to Asuncion by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Asuncion?

    Currently, April is the cheapest month in which you can book a flight from San Francisco to Asuncion (average of $715). Flying from San Francisco to Asuncion in December is currently the most expensive (average of $1,024). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 3 airlines flying from San Francisco to Asuncion

Discover the top 3 airlines that operate flights from San Francisco to Asuncion. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$424Average$867FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$488Average$1,016FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$797Average$1,024FlexibilityNo cancel feeOn-time70%

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