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$791+ 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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
ASU — SFO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$885
(Booking.com)

One-way from

$791
(LATAM Airlines)

Popular in

January

Cheapest in

August

Average price

$947
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 ($215 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:10 amASU - SFO
2 stops18h 35mAvianca
Wed 10/152:20 pmSFO - ASU
2 stops34h 20mAvianca
Deal found 9/10$885
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2612:20 pmASU - SFO
3 stops28h 40mMultiple Airlines
Sun 11/211:10 pmSFO - ASU
2 stops25h 05mMultiple Airlines
Deal found 9/10$1,007
This United deal was found by Cheapflights users on 9/10. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/71:45 amASU - SFO
1 stop23h 25mMultiple Airlines
Wed 10/157:05 pmSFO - ASU
2 stops29h 35mMultiple Airlines
Deal found 9/10$1,022
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:45 amASU - SFO
1 stop23h 24mUnited Airlines
Mon 11/310:45 pmSFO - ASU
2 stops25h 45mUnited Airlines
Deal found 9/10$1,052
This Gotogate deal was found by Cheapflights users on 9/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:32 amASU - SFO
1 stop21h 07mCopa Airlines
Fri 10/311:36 amSFO - ASU
1 stop18h 35mCopa Airlines
Deal found 9/10$1,053
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Wed 9/178:10 amASU - SFO
2 stops32h 25mAvianca
Wed 10/112:05 amSFO - ASU
2 stops24h 35mAvianca
Deal found 9/9$1,056
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/161:45 amASU - SFO
2 stops35h 50mUnited Airlines
Thu 10/210:55 amSFO - ASU
1 stop33h 06mUnited Airlines
Deal found 9/10$1,058
This Avianca deal was found by Cheapflights users on 9/10. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:10 amASU - SFO
2 stops32h 25mAvianca
Sun 12/71:20 pmSFO - ASU
2 stops34h 55mAvianca
Deal found 9/10$1,070

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 September 11, 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

Wed 10/8

8:10 am-10:45 pm

2 stops18h 35m

San Francisco

Wed 10/15

2:20 pm-4:40 am

2 stops34h 20m

$885

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Tue 10/7

1:45 am-9:10 pm

1 stop23h 25m

San Francisco

Wed 10/15

7:05 pm-4:40 am

2 stops29h 35m

$1,022

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Wed 10/29

1:45 am-9:09 pm

1 stop23h 24m

San Francisco

Mon 11/3

8:45 am-5:30 am

1 stop15h 45m

$1,048

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Wed 10/8

6:32 am-11:39 pm

1 stop21h 07m

San Francisco

Tue 10/14

1:31 am-12:01 am

1 stop18h 30m

$1,071

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Tue 10/7

1:45 am-9:10 pm

1 stop23h 25m

San Francisco

Tue 10/14

12:43 am-5:25 am

2 stops24h 42m

$1,071

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Thu 10/30

8:20 am-10:50 pm

2 stops18h 30m

San Francisco

Mon 11/3

11:10 pm-5:15 am

2 stops49h 05m

$1,073

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Mon 12/29

8:25 am-11:49 pm

2 stops20h 24m

$791

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Sun 12/28

1:45 am-10:25 pm

2 stops25h 40m

$866

AsuncionSan Francisco

ASU - SFO

ASUSFO

Asuncion Silvio Pettirossi

Mon 12/29

6:33 am-11:17 pm

1 stop21h 44m

$1,035

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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, January is the cheapest month in which you can book a flight from Asuncion to San Francisco (average of $276). Flying from Asuncion to San Francisco in June is currently the most expensive (average of $357). 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 September 11, 2025.

When flying from Asuncion to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 11, 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
1,531 reviews

Crew

8.1

Boarding

7.8

Entertainment

6.8

Overall

7.6

Food

6.8

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

PEI - PTY

The attention to us was excellent. Help was provided with care.
Copa Airlines
7.6
Good
1,531 reviews
Copa Airlines
7.6
Good
1,531 reviews

Crew

8.1

Boarding

7.8

Entertainment

6.8

Overall

7.6

Food

6.8

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

PEI - PTY

The attention to us was excellent. Help was provided with care.

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 $885, Avianca can have you in San Francisco from Asuncion in 18h 35m. 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 27% 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, January is the cheapest month in which you can book a flight from Asuncion to San Francisco (average of $276). Flying from Asuncion to San Francisco in June is currently the most expensive (average of $357). 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
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Manteca
Santa Clara
Sunnyvale
Hollister
Vacaville
Foster City
Vallejo
Burlingame
Redwood City
Union City
San Leandro
San Mateo
Lathrop

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$798Average$1,063FlexibilityNo cancel feeOn-time70%

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