$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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ASU
Feb 11 — Feb 181
1 adult, Economy
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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 January 12, 2026.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $804 (LATAM Airlines) |
One-way from | $410 (United Airlines) |
Popular in | February |
Cheapest in | May |
Find flight deals from San Francisco to Asuncion
Cheapest flights from San Francisco to AsuncionExplore 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 12, 2026.
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 12, 2026.
This LATAM Airlines deal was found by Cheapflights users on 1/11. 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 3/910:35 pm
SFO
- ASU
2 stops27h 40m
LATAM Airlines
Wed 3/113:10 am
ASU
- SFO
2 stops24h 11m
LATAM Airlines
Deal found 1/11![LATAM Airlines logo]()
$804
This FlightHub deal was found by Cheapflights users on 1/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:00 am
SFO
- ASU
2 stops26h 40m
LATAM Airlines
Tue 4/78:10 am
ASU
- SFO
2 stops19h 06m
LATAM Airlines
Deal found 1/11![LATAM Airlines logo]()
$834
This United Airlines deal was found by Cheapflights users on 1/10. 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.
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 1/10![United Airlines logo]()
$844
This Ovago deal was found by Cheapflights users on 1/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:45 am
SFO
- ASU
2 stops19h 20m
Copa Airlines
Sat 5/26:33 am
ASU
- SFO
2 stops21h 26m
Copa Airlines
Deal found 1/12![Copa Airlines logo]()
$847
This Copa Airlines deal was found by Cheapflights users on 1/12. 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 1/12![Copa Airlines logo]()
$889
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/112:54 am
SFO
- ASU
1 stop18h 21m
Multiple Airlines
Mon 3/238:25 am
ASU
- SFO
2 stops32h 35m
Multiple Airlines
Deal found 1/11![Multiple Airlines logo]()
$979
This Ovago deal was found by Cheapflights users on 1/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:59 pm
SFO
- ASU
2 stops19h 16m
Copa Airlines
Mon 3/236:42 am
ASU
- SFO
2 stops28h 54m
Copa Airlines
Deal found 1/11![Copa Airlines logo]()
$980
This SmartFares deal was found by Cheapflights users on 1/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:15 pm
SFO
- ASU
2 stops45h 25m
LATAM Airlines
Sat 6/208:10 am
ASU
- SFO
2 stops31h 49m
LATAM Airlines
Deal found 1/11![LATAM Airlines logo]()
$1,124
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 12, 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
Mon 3/9
10:35 pm-6:15 am
2 stops27h 40m
Asuncion Silvio Pettirossi
Wed 3/11
3:10 am-11:21 pm
2 stops24h 11m
$804
San FranciscoAsuncion
SFO - ASU
SFOASU
San Francisco
Wed 4/1
11:00 am-5:40 pm
2 stops26h 40m
Asuncion Silvio Pettirossi
Tue 4/7
8:10 am-11:16 pm
2 stops19h 06m
$834
San FranciscoAsuncion
SFO - ASU
SFOASU
San Francisco
Wed 4/1
7:00 am-5:33 am
2 stops18h 33m
Asuncion Silvio Pettirossi
Tue 4/7
6:33 am-7:16 am
2 stops28h 43m
$844
San FranciscoAsuncion
SFO - ASU
SFOASU
San Francisco
Mon 3/9
11:59 pm-5:32 am
2 stops25h 33m
Asuncion Silvio Pettirossi
Thu 3/12
6:42 am-10:58 pm
2 stops20h 16m
$844
San FranciscoAsuncion
SFO - ASU
SFOASU
San Francisco
Fri 4/17
12:45 am-12:05 am
2 stops19h 20m
Asuncion Silvio Pettirossi
Sat 5/2
6:33 am-11:59 pm
2 stops21h 26m
$847
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
$889
San FranciscoAsuncion
SFO - ASU
SFOASU
San Francisco
Sun 3/1
12:54 am-12:15 am
1 stop18h 21m
Asuncion Silvio Pettirossi
Mon 3/23
8:25 am-1:00 pm
2 stops32h 35m
$979
San FranciscoAsuncion
SFO - ASU
SFOASU
San Francisco
Sat 5/23
4:15 pm-5:40 pm
2 stops45h 25m
Asuncion Silvio Pettirossi
Sat 6/20
8:10 am-11:59 am
2 stops31h 49m
$1,124
San FranciscoAsuncion
SFO - ASU
SFOASU
San Francisco
Sun 3/1
12:54 am-12:15 am
1 stop18h 21m
Asuncion Silvio Pettirossi
Sun 3/22
1:59 am-11:40 pm
1 stop25h 41m
$1,148
San FranciscoAsuncion
SFO - ASU
SFOASU
San Francisco
Mon 3/2
11:59 pm-5:32 am
2 stops24h 33m
$410
Showing 1-10 of 18 results
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Asuncion flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Francisco-Asuncion flight deals on Cheapflights vs. eDreams >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 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 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 12, 2026.
Read reviews from past customers who have flown Copa Airlines, LATAM 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.
Overall
7.6
Comfort
7.4
Boarding
7.8
Crew
8.1
Entertainment
6.8
Food
6.8
Reviews
1 / 20
2.0
MediocreJuan,Dec 2025
EZE - PTY
Overall
7.6
Comfort
7.4
Boarding
7.8
Crew
8.1
Entertainment
6.8
Food
6.8
Reviews
1 / 20
2.0
MediocreJuan,Dec 2025
EZE - PTY
Overall
7.6
Comfort
7.4
Boarding
7.8
Crew
8.1
Entertainment
6.8
Food
6.8
Reviews
1 / 20
2.0
MediocreJuan,Dec 2025
EZE - PTY
Overall
7.6
Comfort
7.4
Boarding
7.8
Crew
8.1
Entertainment
6.8
Food
6.8
Reviews
1 / 20
2.0
MediocreJuan,Dec 2025
EZE - PTY
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.
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Alternative routes for San Francisco to Asuncion
See prices for flight routes from nearby airports that may be better suited for you.
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 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$447 | Average$867 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$588 | Average$968 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$694 | Average$1,049 | FlexibilityNo cancel fee | On-time81% |