$559 Cheap Flights from Phoenix (PHX) to Asuncion (ASU)

View $559 flight on Wed, Jul 9, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Asuncion (ASU-Silvio Pettirossi Intl.)

Cheap Flights from Phoenix to Asuncion (PHX-ASU)

Prices were available within the past 7 days and start at $559 for one-way flights and $512 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Sep 21 - Wed, Oct 8
PHX
Phoenix
ASU
Asuncion
$512 Roundtrip, found 11 hours ago
$512
Roundtrip
found 11 hours ago
Select Delta flight, departing Sun, Sep 21 from Phoenix to Asuncion, returning Wed, Oct 8, priced at $512 found 11 hours ago
Delta
Tue, Sep 2 - Tue, Sep 9
PHX
Phoenix
ASU
Asuncion
$518 Roundtrip, found 2 days ago
$518
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Sep 2 from Phoenix to Asuncion, returning Tue, Sep 9, priced at $518 found 2 days ago
Delta
Mon, Sep 15 - Tue, Sep 30
PHX
Phoenix
ASU
Asuncion
$520 Roundtrip, found 3 days ago
$520
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Sep 15 from Phoenix to Asuncion, returning Tue, Sep 30, priced at $520 found 3 days ago
Delta
Mon, Sep 15 - Mon, Sep 22
PHX
Phoenix
ASU
Asuncion
$520 Roundtrip, found 2 days ago
$520
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Sep 15 from Phoenix to Asuncion, returning Mon, Sep 22, priced at $520 found 2 days ago
Delta
Tue, Sep 2 - Tue, Sep 9
PHX
Phoenix
ASU
Asuncion
$526 Roundtrip, found 2 days ago
$526
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Sep 2 from Phoenix to Asuncion, returning Tue, Sep 9, priced at $526 found 2 days ago
LATAM Airlines Group
Sun, Sep 21 - Tue, Oct 7
PHX
Phoenix
ASU
Asuncion
$560 Roundtrip, found 11 hours ago
$560
Roundtrip
found 11 hours ago
Select LATAM Airlines Group flight, departing Sun, Sep 21 from Phoenix to Asuncion, returning Tue, Oct 7, priced at $560 found 11 hours ago
LATAM Airlines Group
Mon, Oct 13 - Tue, Oct 28
PHX
Phoenix
ASU
Asuncion
$565 Roundtrip, found 3 days ago
$565
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Mon, Oct 13 from Phoenix to Asuncion, returning Tue, Oct 28, priced at $565 found 3 days ago
Copa
Tue, Sep 9 - Thu, Sep 18
PHX
Phoenix
ASU
Asuncion
$1,122 Roundtrip, found 5 days ago
$1,122
Roundtrip
found 5 days ago
Select Copa flight, departing Tue, Sep 9 from Phoenix to Asuncion, returning Thu, Sep 18, priced at $1,122 found 5 days ago
United
Sun, Jul 6 - Wed, Jul 16
PHX
Phoenix
ASU
Asuncion
$1,370 Roundtrip, found 7 hours ago
$1,370
Roundtrip
found 7 hours ago
Select United flight, departing Sun, Jul 6 from Phoenix to Asuncion, returning Wed, Jul 16, priced at $1,370 found 7 hours ago
GOL Linhas Aereas S.A.
Tue, Apr 21 - Tue, May 5
PHX
Phoenix
ASU
Asuncion
$1,510 Roundtrip, found 2 days ago
$1,510
Roundtrip
found 2 days ago
Select GOL Linhas Aereas S.A. flight, departing Tue, Apr 21 from Phoenix to Asuncion, returning Tue, May 5, priced at $1,510 found 2 days ago

Alternative airports near Asunción

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Silvio Pettirossi Intl. ASU. Cheapest and Closest option available. Average driving time to city center is 21 minutes. Flights from $1,370
ASU
Silvio Pettirossi Intl.
CheapestClosest
Average driving time to city center21 min
Flights from $1,370
Flights from Phoenix (PHX) to Asuncion (ASU)
Origin airport
Sky Harbor Intl.
Destination airport
Silvio Pettirossi Intl.
Airlines serving
Aeromexico, Copa, GOL Linhas Aereas S.A., LATAM Airlines Group, United
Roundtrip price
$511
Distance
5407 mi

Phoenix to Asuncion Flights

The cheapest times to fly from Phoenix to Asuncion

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Asuncion are during the month of September. You can find some of the cheapest flights from Phoenix to Asuncion with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Asuncion

Sunday is one of the best days to book for cheap flights from Phoenix to Asuncion: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to Asuncion

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Asuncion in 2025. You can also book with separate airlines for your outbound and return journeys, from $559 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Asuncion flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Asuncion airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Silvio Pettirossi Intl. Airport (ASU) cost?
Discover the latest flight deals from PHX to ASU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PHX to ASU?
The cheapest flights from PHX to ASU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PHX to ASU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PHX to ASU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Silvio Pettirossi Intl. Airport (ASU)?
Nonstop flights from Sky Harbor Intl. Airport (PHX) to Silvio Pettirossi Intl. Airport (ASU) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHX to ASU?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Silvio Pettirossi Intl. Airport (ASU)?
Select a flight from Sky Harbor Intl. Airport (PHX) to Silvio Pettirossi Intl. Airport (ASU) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Silvio Pettirossi Intl. Airport (ASU) last-minute?
Holding off until just before your departure to book a ticket from PHX to ASU generally means paying more. While you may find some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary to boost your chances of scoring a bargain.
Is it cheaper to book a PHX to ASU flight and hotel package?
Opting for a PHX to ASU flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our wide range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Silvio Pettirossi Intl. Airport (ASU)?
If you booked your PHX to ASU flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.