HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Asuncion

$398+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ASU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Asuncion with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$707
(Priceline)

One-way from

$398
(Justfly.com)

Popular in

January

Cheapest in

May

Average price

$962
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. 26% potential increase in price ($359 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This Priceline deal was found by Cheapflights users on 6/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/162:20 pmSFO - ASU
2 stops34h 20mAvianca
Wed 7/308:10 amASU - SFO
2 stops18h 35mAvianca
Deal found 6/10$707
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/176:00 amSFO - ASU
2 stops31h 40mLATAM Airlines
Tue 8/196:55 pmASU - SFO
2 stops23h 55mLATAM Airlines
Deal found 6/10$726
This Copa Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 10/11:28 amSFO - ASU
1 stop18h 25mCopa Airlines
Mon 10/136:28 amASU - SFO
1 stop21h 12mCopa Airlines
Deal found 6/11$818
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 6/1410:55 amSFO - ASU
1 stop33h 02mUnited Airlines
Thu 8/211:44 amASU - SFO
1 stop23h 26mUnited Airlines
Deal found 6/10$868
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:05 amSFO - ASU
2 stops24h 35mMultiple Airlines
Mon 10/1311:05 amASU - SFO
2 stops40h 53mMultiple Airlines
Deal found 6/11$883

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 June 12, 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

Wed 7/16

2:20 pm-4:40 am

2 stops34h 20m

Asuncion Silvio Pettirossi

Wed 7/30

8:10 am-10:45 pm

2 stops18h 35m

$707

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Wed 10/1

1:28 am-11:53 pm

1 stop18h 25m

Asuncion Silvio Pettirossi

Mon 10/13

6:28 am-11:40 pm

1 stop21h 12m

$818

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sat 8/9

12:30 am-5:28 am

2 stops24h 58m

Asuncion Silvio Pettirossi

Sun 8/17

1:44 am-9:15 pm

1 stop23h 31m

$872

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Wed 10/1

12:05 am-4:40 am

2 stops24h 35m

Asuncion Silvio Pettirossi

Mon 10/13

11:05 am-11:58 pm

2 stops40h 53m

$883

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 8/10

10:55 am-6:10 am

2 stops39h 15m

Asuncion Silvio Pettirossi

Mon 8/18

8:25 am-11:57 pm

2 stops19h 32m

$886

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 10/5

8:55 am-6:00 pm

2 stops29h 05m

$398

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sat 10/4

1:28 am-11:53 pm

1 stop18h 25m

$400

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 10/5

10:55 am-11:53 pm

1 stop32h 58m

$425

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Fri 9/26

2:20 pm-4:40 am

2 stops34h 20m

$453

San FranciscoAsuncion

SFO - ASU

SFOASU

San Francisco

Sun 10/5

10:14 pm-4:40 am

3 stops50h 26m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 11 results
1
2

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, April is the cheapest month in which you can book a flight from San Francisco to Asuncion (average of $715). Flying from San Francisco to Asuncion in December is currently the most expensive (average of $1,024). 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.

Rainfall in Asuncion by month

Plan your trip to Asuncion by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Asuncion ranges from 1.6 - 5.5 inches per month. January is typically the wettest month, when rainfall can reach 5.5 in. August is typically the driest time to visit Asuncion when rainfall is around 1.6 in.

Temperature in Asuncion by month

Plan your trip to Asuncion by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Asuncion, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 64.4 F).

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 June 12, 2025.
Read reviews from past customers who have flown LATAM Airlines, Copa Airlines and United Airlines from San Francisco to Asuncion. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,785 reviews

Food

6.7

Entertainment

7.0

Boarding

7.6

Overall

7.5

Comfort

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
LATAM Airlines
7.5
Good
1,785 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Food

6.7

Entertainment

7.0

Boarding

7.6

Overall

7.5

Comfort

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
Copa Airlines
7.5
Good
1,451 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Food

6.7

Entertainment

7.0

Boarding

7.6

Overall

7.5

Comfort

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
United Airlines
7.4
Good
8,790 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Food

6.7

Entertainment

7.0

Boarding

7.6

Overall

7.5

Comfort

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
American Airlines
7.2
Good
10,000 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Food

6.7

Entertainment

7.0

Boarding

7.6

Overall

7.5

Comfort

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
Avianca
6.7
Okay
2,345 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Food

6.7

Entertainment

7.0

Boarding

7.6

Overall

7.5

Comfort

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

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.

  • 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 $707. Other airlines that can offer you cheap pricing are Copa Airlines, from $818, and United Airlines, from $872. These flights start at 28% lower than the current average price 3 months from now.

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

    $398 is the cheapest one-way deal found within the past few days, from LATAM Airlines. You may also be able to find cheap deals on Copa Airlines and United Airlines, with prices starting from $400 and $425, respectively.

  • 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, April is the cheapest month in which you can book a flight from San Francisco to Asuncion (average of $715). Flying from San Francisco to Asuncion in December is currently the most expensive (average of $1,024). 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 2 airlines flying from San Francisco to Asuncion

Discover the top 2 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$697Average$1,006FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$728Average$962FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.