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$459+ Cheap flights from Asuncion (ASU) to San Francisco (SFO)

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
ASU — SFO
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Asuncion to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Asuncion (ASU) to San Francisco (SFO). 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,053
(Trip.com)

One-way from

$459
(Priceline)

Popular in

January

Cheapest in

August

Average price

$982
Provider with most accurate pricing for Asuncion Silvio Pettirossi-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Asuncion Silvio Pettirossi-San Francisco flights.
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From Asuncion Silvio Pettirossi to San Francisco
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One-way flight from Asuncion Silvio Pettirossi to San Francisco
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Highest demand for flights based on searches. 16% potential increase in price ($216 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Asuncion to San Francisco

Cheapest flights from Asuncion to San Francisco
Explore the most affordable flight options available from Asuncion to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:34 amASU - SFO
1 stop18h 35mUnited Airlines
Mon 11/38:45 amSFO - ASU
1 stop34h 26mUnited Airlines
Deal found 10/27$1,048
This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:05 amASU - SFO
2 stops39h 06mMultiple Airlines
Sun 12/76:29 pmSFO - ASU
2 stops30h 46mMultiple Airlines
Deal found 10/28$1,053
This LATAM Airlines deal was found by Cheapflights users on 10/28. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:25 amASU - SFO
2 stops20h 55mLATAM Airlines
Tue 1/138:55 amSFO - ASU
2 stops27h 45mLATAM Airlines
Deal found 10/28$1,093
This eDestinos deal was found by Cheapflights users on 10/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:25 amASU - SFO
3 stops54h 08mMultiple Airlines
Tue 1/136:00 amSFO - ASU
2 stops30h 40mMultiple Airlines
Deal found 10/28$1,130
This Copa Airlines deal was found by Cheapflights users on 10/29. 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 10/291:45 amASU - SFO
1 stop25h 54mCopa Airlines
Sun 11/212:36 amSFO - ASU
1 stop18h 35mCopa Airlines
Deal found 10/29$1,153
This Copa Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 12/166:33 amASU - SFO
1 stop21h 44mCopa Airlines
Mon 1/1212:42 amSFO - ASU
1 stop18h 32mCopa Airlines
Deal found 10/27$1,188
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:33 amASU - SFO
2 stops43h 50mUnited Airlines
Sat 12/612:43 amSFO - ASU
2 stops23h 47mUnited Airlines
Deal found 10/28$1,213

Cheapflights Fare Finder

 
Customize your flight search to find flights from Asuncion to San Francisco 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 October 29, 2025.
Use the filters below to find and compare flights from Asuncion to San Francisco that are best for you.

Fly from

Asuncion

Fly to

San Francisco

Route

Depart

Return

Price

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Mon 12/1

11:05 am-9:11 pm

2 stops39h 06m

San Francisco

Sun 12/7

6:29 pm-6:15 am

2 stops30h 46m

$1,053

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Thu 2/26

8:25 am-10:57 am

2 stops31h 32m

San Francisco

Sat 3/7

1:35 am-5:15 am

2 stops46h 40m

$1,057

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Tue 4/14

8:25 am-10:26 am

2 stops30h 01m

San Francisco

Thu 4/23

11:05 am-5:40 pm

2 stops26h 35m

$1,060

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Tue 4/14

6:42 am-11:40 pm

1 stop20h 58m

San Francisco

Thu 4/23

8:35 pm-12:14 am

1 stop23h 39m

$1,071

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Tue 12/16

8:25 am-9:33 am

3 stops54h 08m

San Francisco

Tue 1/13

6:00 am-5:40 pm

2 stops30h 40m

$1,147

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Tue 4/14

6:42 am-7:30 pm

2 stops40h 48m

San Francisco

Wed 4/22

12:32 am-12:14 am

2 stops19h 42m

$1,178

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Tue 12/16

6:33 am-11:17 pm

1 stop21h 44m

San Francisco

Mon 1/12

12:42 am-12:14 am

1 stop18h 32m

$1,188

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Thu 3/12

8:20 am-11:40 pm

2 stops19h 20m

$459

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Wed 2/11

8:25 am-11:37 pm

2 stops20h 12m

$581

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Thu 4/9

6:42 am-11:40 pm

1 stop20h 58m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 17 results
1
2

Compare providers for flights from Asuncion to San Francisco

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 Asuncion to San Francisco in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Asuncion-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Asuncion-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Asuncion-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Asuncion-San Francisco 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 Asuncion-San Francisco 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 Asuncion to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Asuncion 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 Asuncion to San Francisco

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

Currently, August is the cheapest month in which you can book a flight from Asuncion to San Francisco (average of $430). Flying from Asuncion to San Francisco in February is currently the most expensive (average of $1,160). 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.

What is the cheapest time of day to fly from ASU to SFO?

Find hourly flight availability from Asuncion to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

It’s optimal to fly from Asuncion to San Francisco in the morning. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated October 29, 2025.
Get a feel of what it's like to fly with Copa Airlines from Asuncion to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,563 reviews

Crew

8.1

Entertainment

6.8

Overall

7.6

Boarding

7.8

Food

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
1,563 reviews
Copa Airlines
7.6
Good
1,563 reviews

Crew

8.1

Entertainment

6.8

Overall

7.6

Boarding

7.8

Food

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 Asuncion to San Francisco. 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 Asuncion to San Francisco?

    For as low as $1,071, LATAM Airlines can have you in San Francisco from Asuncion in 20h 58m. The distance between Asuncion and San Francisco is about 6040 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Asuncion to San Francisco round-trip?

    Cheapflights users have booked flights from Asuncion to San Francisco round-trip from $798. Copa Airlines is priced at 29% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Asuncion to San Francisco one-way?

    The cheapest airlines for a one-way flight from Asuncion to San Francisco are Avianca ($459), LATAM Airlines ($581), and Copa Airlines ($594).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Asuncion to San Francisco 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 Asuncion to San Francisco?

    Currently, August is the cheapest month in which you can book a flight from Asuncion to San Francisco (average of $430). Flying from Asuncion to San Francisco in February is currently the most expensive (average of $1,160). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Watsonville
Sunnyvale
Santa Clara
Antioch
Manteca
Vallejo
Hollister
Vacaville
San Bruno
Foster City
Redwood City
Union City
Fairfield
Burlingame
Lodi

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Alternative routes for Asuncion to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Asuncion to San Francisco

Discover the top airline that operate flights from Asuncion to San Francisco. 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$798Average$1,063FlexibilityNo cancel feeOn-time70%

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