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Asuncion

$410+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ASU
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap 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 January 28, 2026.

This KAYAK deal was found by Cheapflights users on 1/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3011:59 pm
SFO
-
ASU
2 stops25h 31m
Copa Airlines
Mon 4/66:33 am
ASU
-
SFO
2 stops28h 43m
Copa Airlines
Deal found 1/27$847
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:59 pm
SFO
-
ASU
2 stops25h 33m
United Airlines
Thu 3/126:42 am
ASU
-
SFO
2 stops20h 16m
United Airlines
Deal found 1/26$864
This LATAM Airlines deal was found by Cheapflights users on 1/26. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:05 am
SFO
-
ASU
2 stops26h 35m
Multiple Airlines
Sat 9/268:10 am
ASU
-
SFO
2 stops28h 16m
Multiple Airlines
Deal found 1/26$871
This Copa Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 4/18:35 pm
SFO
-
ASU
1 stop23h 30m
Copa Airlines
Tue 4/76:33 am
ASU
-
SFO
1 stop21h 07m
Copa Airlines
Deal found 1/27$929
This Justfly.com deal was found by Cheapflights users on 1/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/171:35 am
SFO
-
ASU
2 stops22h 40m
Avianca
Sat 2/288:20 am
ASU
-
SFO
2 stops20h 00m
Avianca
Deal found 1/26$1,088
This FlightHub deal was found by Cheapflights users on 1/27. 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 3/3011:00 am
SFO
-
ASU
2 stops59h 05m
LATAM Airlines
Mon 4/611:05 am
ASU
-
SFO
3 stops39h 55m
LATAM Airlines
Deal found 1/27$1,118
This Mytrip deal was found by Cheapflights users on 1/28. 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.
Sat 2/1411:10 pm
SFO
-
ASU
2 stops49h 05m
Avianca
Thu 2/198:20 am
ASU
-
SFO
2 stops20h 00m
Avianca
Deal found 1/28$1,214
This SmartFares deal was found by Cheapflights users on 1/26. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/141:15 pm
SFO
-
ASU
2 stops47h 25m
LATAM Airlines
Sat 2/218:25 am
ASU
-
SFO
2 stops33h 19m
LATAM Airlines
Deal found 1/26$1,246
This Copa Airlines deal was found by Cheapflights users on 1/28. 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.
Fri 2/1312:42 am
SFO
-
ASU
1 stop23h 50m
Copa Airlines
Thu 2/196:42 am
ASU
-
SFO
1 stop21h 38m
Copa Airlines
Deal found 1/28$1,404
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:59 pm
SFO
-
ASU
2 stops20h 04m
United Airlines
Sat 9/266:33 am
ASU
-
SFO
1 stop21h 07m
United Airlines
Deal found 1/26$1,446

Find 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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$847
(KAYAK)

One-way from

$410
(Priceline)

Popular in

February

Cheapest in

May
Provider with most accurate pricing for San Francisco-Asuncion Silvio Pettirossi flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Asuncion Silvio Pettirossi flights.
Search Deals
From San Francisco to Asuncion Silvio Pettirossi
Search Deals
One-way flight from San Francisco to Asuncion Silvio Pettirossi
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($242 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
Search Deals

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 January 28, 2026.
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

Wed 4/1

5:00 am-5:33 am

2 stops20h 33m

Asuncion Silvio Pettirossi

Tue 4/7

6:33 am-9:37 pm

2 stops43h 04m

$864

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 3/9

5:00 am-5:32 am

2 stops20h 32m

Asuncion Silvio Pettirossi

Thu 3/12

6:42 am-11:59 pm

2 stops21h 17m

$864

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

Sun 3/29

1:35 am-5:30 am

1 stop23h 55m

Asuncion Silvio Pettirossi

Sun 4/5

1:57 am-11:40 pm

1 stop25h 43m

$949

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 2/17

1:35 am-5:15 am

2 stops22h 40m

Asuncion Silvio Pettirossi

Sat 2/28

8:20 am-11:20 pm

2 stops20h 00m

$1,088

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Mon 3/30

11:00 am-2:05 am

2 stops59h 05m

Asuncion Silvio Pettirossi

Mon 4/6

11:05 am-11:00 pm

3 stops39h 55m

$1,118

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sat 2/14

11:10 pm-5:15 am

2 stops49h 05m

Asuncion Silvio Pettirossi

Thu 2/19

8:20 am-11:20 pm

2 stops20h 00m

$1,214

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 3/10

2:35 am-5:15 am

2 stops22h 40m

$410

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Tue 3/10

1:54 am-12:15 am

1 stop18h 21m

$445

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Wed 3/11

10:38 pm-12:15 am

3 stops45h 37m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 16 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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Asuncion flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 January 28, 2026.
Read reviews from past customers who have flown LATAM Airlines, Copa 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.
LATAM Airlines
7.5
Good
1,915 reviews

Boarding

7.5

Food

6.7

Overall

7.5

Comfort

7.3

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
LATAM Airlines
7.5
Good
1,915 reviews
LATAM Airlines
7.5
Good
1,915 reviews

Boarding

7.5

Food

6.7

Overall

7.5

Comfort

7.3

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
Copa Airlines
7.5
Good
1,560 reviews
LATAM Airlines
7.5
Good
1,915 reviews

Boarding

7.5

Food

6.7

Overall

7.5

Comfort

7.3

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
United Airlines
7.4
Good
9,209 reviews
LATAM Airlines
7.5
Good
1,915 reviews

Boarding

7.5

Food

6.7

Overall

7.5

Comfort

7.3

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

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 20h 33m. Fly via United Airlines to get the fastest option. The distance from San Francisco to Asuncion is about 6040 mi.

  • 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 $414. Other airlines that can offer you cheap pricing are LATAM Airlines, from $488, and Copa Airlines, from $578. These flights start at 60% 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.

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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$414Average$867FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$488Average$1,049FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$578Average$962FlexibilityNo cancel feeOn-time70%

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