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Asuncion

$425+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ASU
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
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 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$868
(Copa Airlines)

One-way from

$425
(United Airlines)

Popular in

February

Cheapest in

May

Average price

$1,147
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. 21% potential increase in price ($288 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 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 5, 2025.

This Copa Airlines deal was found by Cheapflights users on 11/3. 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 11/1612:36 amSFO - ASU
1 stop18h 35mCopa Airlines
Mon 12/86:33 amASU - SFO
1 stop21h 44mCopa Airlines
Deal found 11/3$868
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/1612:43 amSFO - ASU
2 stops23h 47mUnited Airlines
Mon 12/86:33 amASU - SFO
1 stop18h 56mUnited Airlines
Deal found 11/3$872
This FlightHub deal was found by Cheapflights users on 11/3. 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.
Mon 11/176:00 amSFO - ASU
2 stops19h 15mLATAM Airlines
Mon 12/88:25 amASU - SFO
2 stops19h 25mLATAM Airlines
Deal found 11/3$880
This Expedia deal was found by Cheapflights users on 11/4. 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.
Sat 11/291:35 amSFO - ASU
2 stops46h 40mMultiple Airlines
Sun 12/78:25 amASU - SFO
2 stops33h 30mMultiple Airlines
Deal found 11/4$1,062
This Copa Airlines deal was found by Cheapflights users on 11/4. 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.
Sat 11/2912:36 amSFO - ASU
1 stop18h 35mCopa Airlines
Sun 12/76:33 amASU - SFO
1 stop21h 44mCopa Airlines
Deal found 11/4$1,121
This Mytrip deal was found by Cheapflights users on 11/3. 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 11/1711:10 pmSFO - ASU
2 stops49h 05mMultiple Airlines
Mon 12/812:20 pmASU - SFO
3 stops28h 40mMultiple Airlines
Deal found 11/3$1,261

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 5, 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 4/12

1:42 am-12:14 am

1 stop18h 32m

Asuncion Silvio Pettirossi

Wed 4/22

1:59 am-11:40 pm

1 stop25h 41m

$868

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 11/30

8:45 am-12:11 am

1 stop34h 26m

Asuncion Silvio Pettirossi

Sun 12/7

6:33 am-8:29 pm

1 stop18h 56m

$868

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 11/16

12:36 am-12:11 am

1 stop18h 35m

Asuncion Silvio Pettirossi

Mon 12/8

6:33 am-11:17 pm

1 stop21h 44m

$868

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 11/16

12:43 am-5:30 am

2 stops23h 47m

Asuncion Silvio Pettirossi

Mon 12/8

6:33 am-8:29 pm

1 stop18h 56m

$872

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 1/11

6:00 am-5:40 pm

2 stops30h 40m

Asuncion Silvio Pettirossi

Tue 1/13

8:25 am-9:40 pm

2 stops18h 15m

$968

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 4/5

1:42 am-5:37 am

1 stop23h 55m

Asuncion Silvio Pettirossi

Wed 4/8

6:42 am-11:40 pm

1 stop20h 58m

$1,046

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 4/13

2:20 pm-4:40 am

2 stops34h 20m

Asuncion Silvio Pettirossi

Thu 4/23

8:25 am-12:35 pm

3 stops32h 10m

$1,062

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 11/25

8:45 am-12:11 am

1 stop34h 26m

$425

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 11/25

8:25 am-5:40 pm

2 stops28h 15m

$443

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 11/25

10:39 am-3:20 pm

3 stops23h 41m

$448

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 15 results
1
2

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 October is currently the most expensive (average of $1,399). 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 5, 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
1,561 reviews

Entertainment

6.8

Crew

8.1

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

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
1,561 reviews
Copa Airlines
7.6
Good
1,561 reviews

Entertainment

6.8

Crew

8.1

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

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
1,874 reviews
Copa Airlines
7.6
Good
1,561 reviews

Entertainment

6.8

Crew

8.1

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

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
9,003 reviews
Copa Airlines
7.6
Good
1,561 reviews

Entertainment

6.8

Crew

8.1

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

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 18h 32m. 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 $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 October is currently the most expensive (average of $1,399). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$447Average$867FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$488Average$1,192FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$588Average$996FlexibilityNo cancel feeOn-time70%

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