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Asuncion

$405+ 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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ASU
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$843
(United Airlines)

One-way from

$405
(United Airlines)

Popular in

January

Cheapest in

May

Average price

$1,050
Provider with most accurate pricing for San Francisco-Asuncion Silvio Pettirossi flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Asuncion Silvio Pettirossi flights.
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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. 28% potential increase in price ($440 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 26, 2025.

This Orbitz deal was found by Cheapflights users on 11/23. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amSFO - ASU
2 stops30h 35mMultiple Airlines
Tue 1/138:20 amASU - SFO
2 stops43h 09mMultiple Airlines
Deal found 11/23$1,125
This Kissandfly.com deal was found by Cheapflights users on 11/26. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:10 pmSFO - ASU
2 stops26h 20mMultiple Airlines
Fri 12/2611:05 amASU - SFO
2 stops38h 25mMultiple Airlines
Deal found 11/26$1,255
This Expedia deal was found by Cheapflights users on 11/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:07 pmSFO - ASU
2 stops25h 08mMultiple Airlines
Sat 1/108:20 amASU - SFO
2 stops43h 09mMultiple Airlines
Deal found 11/23$1,274
This United Airlines deal was found by Cheapflights users on 11/23. 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 12/298:45 amSFO - ASU
1 stop15h 45mUnited Airlines
Wed 1/146:42 amASU - SFO
2 stops42h 28mUnited Airlines
Deal found 11/23$1,279
This Copa Airlines deal was found by Cheapflights users on 11/24. 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.
Mon 12/2912:36 amSFO - ASU
1 stop21h 35mCopa Airlines
Tue 1/136:42 amASU - SFO
1 stop21h 38mCopa Airlines
Deal found 11/24$1,323
This Kiwi.com deal was found by Cheapflights users on 11/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:36 amSFO - ASU
1 stop18h 35mMultiple Airlines
Tue 1/138:25 amASU - SFO
2 stops19h 42mMultiple Airlines
Deal found 11/23$1,382
This United Airlines deal was found by Cheapflights users on 11/24. 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.
Sun 12/288:45 amSFO - ASU
1 stop15h 45mUnited Airlines
Tue 1/136:42 amASU - SFO
2 stops34h 28mUnited Airlines
Deal found 11/24$1,389
This United Airlines deal was found by Cheapflights users on 11/24. 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.
Tue 12/3011:59 pmSFO - ASU
2 stops24h 31mUnited Airlines
Tue 1/136:42 amASU - SFO
2 stops34h 28mUnited Airlines
Deal found 11/24$1,394
This Kiwi.com deal was found by Cheapflights users on 11/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:36 amSFO - ASU
1 stop23h 54mCopa Airlines
Tue 1/134:11 amASU - SFO
1 stop24h 09mCopa Airlines
Deal found 11/23$1,461

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 November 26, 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

Thu 3/5

11:59 pm-5:32 am

2 stops24h 33m

Asuncion Silvio Pettirossi

Mon 3/9

6:42 am-7:36 am

2 stops28h 54m

$843

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Wed 3/4

12:54 am-3:11 am

1 stop21h 17m

Asuncion Silvio Pettirossi

Mon 3/9

6:42 am-11:40 pm

1 stop20h 58m

$996

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sat 1/17

9:55 am-5:40 pm

2 stops26h 45m

Asuncion Silvio Pettirossi

Sun 2/22

8:25 am-10:36 am

2 stops31h 11m

$1,015

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 5/5

12:15 pm-1:50 am

3 stops33h 35m

Asuncion Silvio Pettirossi

Mon 5/11

2:55 am-11:55 pm

3 stops25h 00m

$1,088

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 12/29

8:45 am-5:30 am

1 stop15h 45m

Asuncion Silvio Pettirossi

Wed 1/14

6:42 am-8:10 pm

2 stops42h 28m

$1,279

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 12/28

8:45 am-5:30 am

1 stop15h 45m

$405

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 12/29

8:45 am-12:11 am

1 stop34h 26m

$405

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Thu 1/1

8:45 am-12:14 am

1 stop34h 29m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Compare providers for flights from San Francisco to Asuncion

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Asuncion in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Asuncion flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Francisco-Asuncion flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Francisco-Asuncion flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Asuncion flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Asuncion flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Asuncion

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

Currently, May is the cheapest month in which you can book a flight from San Francisco to Asuncion (average of $431). Flying from San Francisco to Asuncion in January is currently the most expensive (average of $1,732). 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.

How much does it cost to fly round-trip from San Francisco to Asuncion?

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 November 26, 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
1,569 reviews

Food

6.8

Crew

8.1

Overall

7.6

Boarding

7.8

Entertainment

6.8

Comfort

7.4

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
1,569 reviews
Copa Airlines
7.6
Good
1,569 reviews

Food

6.8

Crew

8.1

Overall

7.6

Boarding

7.8

Entertainment

6.8

Comfort

7.4

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
1,886 reviews
Copa Airlines
7.6
Good
1,569 reviews

Food

6.8

Crew

8.1

Overall

7.6

Boarding

7.8

Entertainment

6.8

Comfort

7.4

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
9,046 reviews
Copa Airlines
7.6
Good
1,569 reviews

Food

6.8

Crew

8.1

Overall

7.6

Boarding

7.8

Entertainment

6.8

Comfort

7.4

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 21h 17m. Fly via United Airlines, Copa Airlines, or LATAM 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 $447. Other airlines that can offer you cheap pricing are LATAM Airlines, from $488, and Copa Airlines, from $588. These flights start at 58% 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, May is the cheapest month in which you can book a flight from San Francisco to Asuncion (average of $431). Flying from San Francisco to Asuncion in January is currently the most expensive (average of $1,732). 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

Browse thousands of different options on Cheapflights for your next trip

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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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$447Average$867FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$488Average$1,192FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$588Average$985FlexibilityNo cancel feeOn-time70%

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