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$654+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
ASU — SFO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This eDestinos deal was found by Cheapflights users on 12/11. 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 stops52h 58mMultiple Airlines
Fri 1/26:00 amSFO - ASU
3 stops52h 25mMultiple Airlines
Deal found 12/11$1,122
This Copa Airlines deal was found by Cheapflights users on 12/11. 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
Thu 1/112:42 amSFO - ASU
1 stop23h 55mCopa Airlines
Deal found 12/11$1,133
This Copa Airlines deal was found by Cheapflights users on 12/10. 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 12/156:33 amASU - SFO
1 stop21h 44mCopa Airlines
Wed 12/3112:42 amSFO - ASU
1 stop23h 55mCopa Airlines
Deal found 12/10$1,153
This Copa Airlines deal was found by Cheapflights users on 12/10. 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 stop23h 55mCopa Airlines
Deal found 12/10$1,167
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:25 amASU - SFO
2 stops19h 25mLATAM Airlines
Tue 1/135:55 amSFO - ASU
2 stops30h 45mLATAM Airlines
Deal found 12/11$1,289
This Expedia deal was found by Cheapflights users on 12/10. 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.
Mon 12/1512:20 pmASU - SFO
2 stops52h 35mMultiple Airlines
Thu 1/18:22 amSFO - ASU
2 stops28h 13mMultiple Airlines
Deal found 12/10$1,296
This LATAM Airlines deal was found by Cheapflights users on 12/11. 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 12/2211:05 amASU - SFO
2 stops30h 34mLATAM Airlines
Tue 1/138:55 amSFO - ASU
2 stops27h 45mLATAM Airlines
Deal found 12/11$1,371
This LATAM Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/1111:05 amASU - SFO
2 stops29h 24mLATAM Airlines
Thu 12/188:22 amSFO - ASU
2 stops28h 13mLATAM Airlines
Deal found 12/10$1,433

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,041
(Mytrip)

One-way from

$654
(United Airlines)

Popular in

January

Cheapest in

August

Average price

$1,513
Provider with most accurate pricing for Asuncion Silvio Pettirossi-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Asuncion Silvio Pettirossi-San Francisco flights.
Search Deals
From Asuncion Silvio Pettirossi to San Francisco
Search Deals
One-way flight from Asuncion Silvio Pettirossi to San Francisco
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($310 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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

Fri 3/20

6:42 am-10:25 am

2 stops31h 43m

San Francisco

Wed 3/25

11:59 pm-5:32 am

2 stops25h 33m

$1,054

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Wed 3/18

11:20 am-12:27 pm

2 stops29h 07m

San Francisco

Tue 3/24

12:10 am-5:15 am

2 stops25h 05m

$1,055

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Thu 3/19

6:42 am-9:54 am

2 stops31h 12m

San Francisco

Mon 3/23

7:10 pm-5:32 am

2 stops30h 22m

$1,063

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Wed 3/4

6:42 am-11:59 pm

2 stops22h 17m

San Francisco

Wed 3/11

7:20 am-5:32 am

2 stops18h 12m

$1,063

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Wed 3/18

6:42 am-11:40 pm

1 stop20h 58m

San Francisco

Tue 3/24

1:54 am-5:32 am

1 stop23h 38m

$1,112

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Wed 3/4

6:42 am-11:16 pm

1 stop21h 34m

San Francisco

Tue 3/10

1:54 am-5:32 am

1 stop23h 38m

$1,112

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Fri 3/20

6:42 am-10:25 am

2 stops31h 43m

San Francisco

Thu 3/26

11:59 pm-12:15 am

2 stops20h 16m

$1,119

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Tue 4/14

6:33 am-11:40 pm

1 stop21h 07m

San Francisco

Wed 4/22

1:23 am-2:56 am

1 stop21h 33m

$1,133

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Sun 1/25

8:25 am-11:13 am

2 stops31h 48m

San Francisco

Sun 2/1

9:54 pm-6:15 am

2 stops27h 21m

$1,186

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Mon 1/26

6:42 am-11:20 pm

1 stop21h 38m

San Francisco

Sun 2/1

12:42 am-5:32 am

1 stop23h 50m

$1,187

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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 December.
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 December 12, 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 December 12, 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
1,558 reviews

Comfort

7.4

Crew

8.1

Overall

7.6

Entertainment

6.8

Food

6.9

Boarding

7.8

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
1,558 reviews
Copa Airlines
7.6
Good
1,558 reviews

Comfort

7.4

Crew

8.1

Overall

7.6

Entertainment

6.8

Food

6.9

Boarding

7.8

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 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 $1,054, United Airlines can have you in San Francisco from Asuncion in 31h 43m. The distance between Asuncion and San Francisco is about 6040 mi.

  • 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 31% lower than the current average price of a flight leaving 3 months from now.

  • 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
Manteca
Watsonville
Sunnyvale
Santa Clara
San Bruno
Redwood City
Daly City
Vallejo
Hollister
Foster City
Union City
Davis
San Ramon
Burlingame
Milpitas

Browse thousands of different options on Cheapflights for your next trip

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$798Average$1,262FlexibilityNo cancel feeOn-time70%

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