$587+ Cheap flights from Asuncion (ASU) to San Francisco (SFO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
ASU — SFO
Oct 11 — Oct 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Asuncion to San Francisco 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 Asuncion to San Francisco
Cheapest
Best
Last-minute
One-way
Cheapest flights from Asuncion to San FranciscoExplore 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, 2026.
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, 2026.
This Trip.com deal was found by Cheapflights users on 9/8. 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.
Fri 10/231:47 am -
2 stops19h 13m
Sat 10/318:47 am -
2 stops40h 38m
Deal found 9/8![Multiple Airlines logo]()
$1,075
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:25 am -
2 stops32h 25m
Wed 9/1611:55 pm -
2 stops24h 45m
Deal found 9/7![Avianca logo]()
$1,134
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:25 am -
2 stops32h 25m
Sun 9/2011:55 pm -
2 stops48h 45m
Deal found 9/7![Avianca logo]()
$1,151
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:25 am -
2 stops42h 10m
Wed 9/162:15 pm -
2 stops34h 25m
Deal found 9/7![Avianca logo]()
$1,152
This FlightHub deal was found by Cheapflights users on 9/6. 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 9/168:25 am -
2 stops32h 25m
Thu 9/2411:55 pm -
2 stops48h 45m
Deal found 9/6![Avianca logo]()
$1,161
This FlightHub deal was found by Cheapflights users on 9/7. 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.
Sun 9/208:25 am -
2 stops56h 25m
Tue 9/2211:55 pm -
2 stops48h 45m
Deal found 9/7![Avianca logo]()
$1,168
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:25 am -
2 stops42h 10m
Tue 9/1511:55 pm -
2 stops48h 45m
Deal found 9/7![Avianca logo]()
$1,169
This Avianca deal was found by Cheapflights users on 9/7. 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.
Wed 9/98:25 am -
2 stops43h 30m
Fri 9/182:15 pm -
2 stops34h 25m
Deal found 9/7![Avianca logo]()
$1,171
This Avianca deal was found by Cheapflights users on 9/8. 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.
Sun 11/17:55 am -
2 stops33h 00m
Sun 11/81:15 pm -
2 stops35h 40m
Deal found 9/8![Avianca logo]()
$1,172
This FlightHub deal was found by Cheapflights users on 9/7. 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.
Sun 9/208:25 am -
2 stops56h 25m
Thu 9/2411:55 pm -
2 stops48h 45m
Deal found 9/7![Avianca logo]()
$1,178
This Avianca deal was found by Cheapflights users on 9/7. 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.
Wed 9/168:25 am -
2 stops18h 10m
Thu 9/1711:55 pm -
2 stops48h 45m
Deal found 9/7![Avianca logo]()
$1,188
Best flights from Asuncion to San FranciscoDiscover carefully curated flight deals from Asuncion to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Asuncion to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Avianca deal was found by Cheapflights users on 9/7. 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.
Sun 11/17:55 am -
2 stops33h 00m
Sun 11/81:15 pm -
2 stops35h 40m
Deal found 9/7![Avianca logo]()
$1,171
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sat 10/246:33 am -
1 stop21h 07m
Sat 10/317:27 am -
2 stops17h 58m
Deal found 9/8![Multiple Airlines logo]()
$1,362
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:31 am -
1 stop21h 41m
Sun 11/87:36 pm -
1 stop23h 21m
Deal found 9/10![Copa Airlines logo]()
$1,375
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/236:33 am -
2 stops30h 02m
Mon 9/2812:45 am -
2 stops19h 33m
Deal found 9/7![United Airlines logo]()
$1,562
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.
Thu 11/57:55 am -
2 stops20h 00m
Mon 11/911:00 pm -
2 stops25h 55m
Deal found 9/10![Avianca logo]()
$1,303
This Copa Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 11/73:56 am -
1 stop18h 29m
Fri 11/1312:33 am -
1 stop21h 15m
Deal found 9/6![Copa Airlines logo]()
$1,421
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/226:33 am -
2 stops30h 57m
Mon 9/2812:45 am -
2 stops19h 33m
Deal found 9/7![United Airlines logo]()
$1,562
Last-minute flights from Asuncion to San FranciscoDiscover last-minute flight deals from Asuncion to San Francisco. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Asuncion to San Francisco. Data last updated September 11, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:25 am -
2 stops42h 10m
Wed 9/162:15 pm -
2 stops34h 25m
Deal found 9/7![Avianca logo]()
$1,152
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:25 am -
2 stops42h 10m
Tue 9/1511:55 pm -
2 stops48h 45m
Deal found 9/7![Avianca logo]()
$1,169
This Avianca deal was found by Cheapflights users on 9/7. 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 9/118:25 am -
2 stops42h 10m
Mon 9/212:15 pm -
2 stops34h 25m
Deal found 9/7![Avianca logo]()
$1,171
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:25 am -
2 stops32h 25m
Wed 9/1611:55 pm -
2 stops24h 45m
Deal found 9/7![Avianca logo]()
$1,134
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:25 am -
2 stops32h 25m
Sun 9/2011:55 pm -
2 stops48h 45m
Deal found 9/7![Avianca logo]()
$1,151
This Avianca deal was found by Cheapflights users on 9/7. 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.
Sun 9/138:25 am -
2 stops42h 10m
Thu 9/2411:55 pm -
2 stops48h 45m
Deal found 9/7![Avianca logo]()
$1,198
This FlightHub deal was found by Cheapflights users on 9/6. 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 9/168:25 am -
2 stops32h 25m
Thu 9/2411:55 pm -
2 stops48h 45m
Deal found 9/6![Avianca logo]()
$1,161
This Avianca deal was found by Cheapflights users on 9/7. 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.
Wed 9/168:25 am -
2 stops18h 10m
Thu 9/1711:55 pm -
2 stops48h 45m
Deal found 9/7![Avianca logo]()
$1,188
This FlightHub deal was found by Cheapflights users on 9/7. 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.
Sun 9/208:25 am -
2 stops56h 25m
Tue 9/2211:55 pm -
2 stops48h 45m
Deal found 9/7![Avianca logo]()
$1,168
This FlightHub deal was found by Cheapflights users on 9/7. 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.
Sun 9/208:25 am -
2 stops56h 25m
Thu 9/2411:55 pm -
2 stops48h 45m
Deal found 9/7![Avianca logo]()
$1,178
This Trip.com deal was found by Cheapflights users on 9/8. 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.
Fri 10/231:47 am -
2 stops19h 13m
Sat 10/318:47 am -
2 stops40h 38m
Deal found 9/8![Multiple Airlines logo]()
$1,075
One-way flights from Asuncion to San FranciscoSearch for one-way flight options from Asuncion to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Asuncion to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Tue 10/131:47 am -
3 stops36h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$587
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:58 am -
3 stops45h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$623
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:33 am -
3 stops32h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$624
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Mon 10/121:47 am -
3 stops46h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$627
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Mon 10/126:33 am -
3 stops56h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$637
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Fri 10/91:47 am -
3 stops36h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$639
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Fri 10/166:33 am -
3 stops39h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$649
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Wed 9/234:05 pm -
3 stops46h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$655
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Tue 9/2211:30 am -
3 stops34h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$665
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Thu 9/243:58 am -
2 stops39h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$668
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Wed 9/163:58 am -
3 stops56h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$669
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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,075 (Trip.com) |
One-way from | $587 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $1,345 |
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 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from Asuncion to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AsuncionSan Francisco
ASU Asuncion Silvio Pettirossi - SFO San Francisco
ASUSFO
Asuncion Silvio Pettirossi
Thu 10/15
1:47 am-10:40 pm
2 stops24h 53m
San Francisco
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$693
AsuncionSan Francisco
ASU Asuncion Silvio Pettirossi - SFO San Francisco
ASUSFO
Asuncion Silvio Pettirossi
Mon 9/28
8:10 am-10:47 am
3 stops54h 37m
San Francisco
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$706
AsuncionSan Francisco
ASU Asuncion Silvio Pettirossi - SFO San Francisco
ASUSFO
Asuncion Silvio Pettirossi
Tue 9/22
11:30 am-11:17 pm
2 stops39h 47m
San Francisco
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$748
Quickest round-trip
AsuncionSan Francisco
ASU Asuncion Silvio Pettirossi - SFO San Francisco
ASUSFO
Asuncion Silvio Pettirossi
Fri 10/16
6:33 am-11:40 pm
1 stop21h 07m
San Francisco
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$769
AsuncionSan Francisco
ASU Asuncion Silvio Pettirossi - SFO San Francisco
ASUSFO
Asuncion Silvio Pettirossi
Thu 9/24
3:58 am-11:40 pm
1 stop23h 42m
San Francisco
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$769
AsuncionSan Francisco
ASU Asuncion Silvio Pettirossi - SFO San Francisco
ASUSFO
Asuncion Silvio Pettirossi
Tue 9/29
6:33 am-11:40 pm
1 stop21h 07m
San Francisco
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$769
AsuncionSan Francisco
ASU Asuncion Silvio Pettirossi - SFO San Francisco
ASUSFO
Asuncion Silvio Pettirossi
Sat 9/26
3:58 am-11:40 pm
1 stop23h 42m
San Francisco
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$769
AsuncionSan Francisco
ASU Asuncion Silvio Pettirossi - SFO San Francisco
ASUSFO
Asuncion Silvio Pettirossi
Sat 9/19
8:10 am-11:40 pm
2 stops43h 30m
San Francisco
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$832
AsuncionSan Francisco
ASU Asuncion Silvio Pettirossi - SFO San Francisco
ASUSFO
Asuncion Silvio Pettirossi
Fri 9/25
3:58 am-11:40 pm
1 stop23h 42m
San Francisco
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$942
AsuncionSan Francisco
ASU Asuncion Silvio Pettirossi - SFO San Francisco
ASUSFO
Asuncion Silvio Pettirossi
Fri 9/25
6:33 am-11:40 pm
1 stop21h 07m
San Francisco
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$987
Showing 1-10 of 18 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Asuncion-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Asuncion-San Francisco flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
ASU-SFO
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
How far ahead should I book a flight from Asuncion to San Francisco?
To ensure you get the cheapest price possible for a flight from Asuncion to San Francisco, you should look to book at least 52 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Asuncion to San Francisco?
Currently, November is the cheapest month in which you can book a flight from Asuncion to San Francisco (average of $850). Flying from Asuncion to San Francisco in June is currently the most expensive (average of $1,686). 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.
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, 2026.
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.
Boarding
7.8
Food
6.9
Comfort
7.4
Crew
8.1
Entertainment
6.9
Overall
7.6
Reviews
1 / 20
4.0
OkayPaul,Jun 2025
PTY - MIA
Boarding
7.8
Food
6.9
Comfort
7.4
Crew
8.1
Entertainment
6.9
Overall
7.6
Reviews
1 / 20
4.0
OkayPaul,Jun 2025
PTY - MIA
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.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
Emeryville
San Bruno
Burlingame
Rancho Cordova
Roseville
Fairfield
Cupertino
Newark
Hayward
San Ramon
Redwood City
Manteca
Vallejo
San Carlos
Turlock
Davis
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
San Francisco flight routes
Alternative routes for Asuncion to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Asuncion to San Francisco by cabin class
Find flights from Asuncion to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Asuncion and San Francisco flights
Browse other Asuncion and San Francisco flight options. Last updated on September 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,303 | Average$1,626 | FlexibilityNo cancel fee | On-time70% |