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Cheap flights from Portland to Asuncion from $519

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Asuncion departing on 10/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to Asuncion

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:16 am - 5:40 pmPDX-ASU
29h 24m2 stops
Multiple Airlines Logo
8:25 am - 8:50 pmASU-PDX
41h 25m2 stops
$1,447Multiple Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 22
Multiple Airlines Logo
7:00 am - 6:15 amPDX-ASU
42h 15m3 stops
Multiple Airlines Logo
8:25 am - 11:30 amASU-PDX
32h 05m2 stops
$1,563Multiple Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 22
United Airlines Logo
6:00 am - 12:11 amPDX-ASU
37h 11m2 stops
United Airlines Logo
1:45 am - 10:59 pmASU-PDX
26h 14m2 stops
$1,743United Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 21
United Airlines Logo
1:00 pm - 5:30 amPDX-ASU
35h 30m3 stops
United Airlines Logo
1:45 am - 9:07 pmASU-PDX
24h 22m2 stops
$1,783United Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 21
LATAM Airlines Logo
12:45 pm - 6:15 amPDX-ASU
36h 30m2 stops
LATAM Airlines Logo
8:25 am - 10:24 pmASU-PDX
18h 59m2 stops
$3,247LATAM Airlines
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Fri, Dec 19 - Sat, Jan 3
Multiple Airlines Logo
11:59 pm - 6:15 amPDX-ASU
25h 16m3 stops
Multiple Airlines Logo
1:20 pm - 5:00 pmASU-PDX
32h 40m3 stops
$3,962Multiple Airlines
Find Deal
Fri, Dec 19 - Sat, Jan 3
United Airlines Logo
11:55 pm - 12:11 amPDX-ASU
43h 16m2 stops
United Airlines Logo
1:59 am - 7:43 pmASU-PDX
22h 44m2 stops
$4,065United Airlines
Find Deal
Fri, Dec 19 - Fri, Jan 2
United Airlines Logo
7:00 am - 12:11 amPDX-ASU
60h 11m3 stops
United Airlines Logo
1:59 am - 7:43 pmASU-PDX
22h 44m2 stops
$4,105United Airlines
Find Deal
Fri, Dec 19 - Fri, Jan 2

United Airlines flights from Portland to Asuncion

Our best United Airlines deals on Portland to Asuncion flight tickets
United Airlines
Dec 4
PDX6:00 amPortland
37h 11m
2 stops
ASU12:11 amAsuncion Silvio Pettirossi
Dec 21
ASU1:45 amAsuncion Silvio Pettirossi
26h 14m
2 stops
PDX10:59 pmPortland
$1,743
Find similar
United Airlines
Dec 4
PDX1:00 pmPortland
35h 30m
3 stops
ASU5:30 amAsuncion Silvio Pettirossi
Dec 21
ASU1:45 amAsuncion Silvio Pettirossi
24h 22m
2 stops
PDX9:07 pmPortland
$1,783
Find similar
United Airlines
Dec 19
PDX11:55 pmPortland
43h 16m
2 stops
ASU12:11 amAsuncion Silvio Pettirossi
Jan 2
ASU1:59 amAsuncion Silvio Pettirossi
22h 44m
2 stops
PDX7:43 pmPortland
$4,065
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland 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, momondo users made 832,500 searches. Data last updated October 6, 2025.
Use the filters below to find and compare flights from Portland to Asuncion that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Thu 12/4

7:16 am-5:40 pm

2 stops29h 24m

Asuncion Silvio Pettirossi

Mon 12/22

8:25 am-8:50 pm

2 stops41h 25m

$1,447

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Thu 12/4

7:00 am-6:15 am

3 stops42h 15m

Asuncion Silvio Pettirossi

Mon 12/22

8:25 am-11:30 am

2 stops32h 05m

$1,563

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Thu 12/4

6:00 am-12:11 am

2 stops37h 11m

Asuncion Silvio Pettirossi

Sun 12/21

1:45 am-10:59 pm

2 stops26h 14m

$1,743

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Thu 12/4

1:00 pm-5:30 am

3 stops35h 30m

Asuncion Silvio Pettirossi

Sun 12/21

1:45 am-9:07 pm

2 stops24h 22m

$1,783

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Fri 12/19

12:45 pm-6:15 am

2 stops36h 30m

Asuncion Silvio Pettirossi

Sat 1/3

8:25 am-10:24 pm

2 stops18h 59m

$3,247

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Fri 12/19

11:59 pm-6:15 am

3 stops25h 16m

Asuncion Silvio Pettirossi

Sat 1/3

1:20 pm-5:00 pm

3 stops32h 40m

$3,962

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Fri 12/19

11:55 pm-12:11 am

2 stops43h 16m

Asuncion Silvio Pettirossi

Fri 1/2

1:59 am-7:43 pm

2 stops22h 44m

$4,065

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Fri 12/19

7:00 am-12:11 am

3 stops60h 11m

Asuncion Silvio Pettirossi

Fri 1/2

1:59 am-7:43 pm

2 stops22h 44m

$4,105

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Fri 10/31

12:33 pm-6:15 am

3 stops37h 42m

$519

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Fri 10/31

1:21 pm-12:11 am

2 stops54h 50m

$529

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Asuncion from

How to get the cheapest flight ticket from Portland to Asuncion

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Asuncion?

The cheapest month to fly to Asuncion from Portland is in December. Flight prices, which tend to average around $1,004, are often lower during this time because this is during the off-season. If you don’t want to visit Asuncion in December, then you should wait until April to fly from Portland, when ticket prices are also cheap, with an average price of $1,059.

What is the cheapest day to depart on your flight to Asuncion?

According to our data, Wednesday is the cheapest day to fly to Asuncion from Portland. The lowest ticket price found for a Wednesday departure recently was $1,008. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Asuncion is Thursday, with ticket prices averaging around $1,918.

What is the cheapest time of day to depart on your flight to Asuncion?

The cheapest time of day to fly to Asuncion is in the morning when flights can be purchased for as low as $1,491. Flights at noon are often more expensive with an average ticket price of $1,918.

When to book flights from Portland to Asuncion

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Asuncion according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Asuncion (PDX to ASU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Asuncion

Direct flights

None
There are no direct flights from Portland to Asuncion. There are no popular flight routes from Portland to Asuncion.
Search flight deals

  • How far is Portland to Asuncion Silvio Pettirossi by plane?

    Asuncion Silvio Pettirossi is 6362.3 mi away from Portland. Flights usually cover this in 25h 16m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Portland Airport to Asuncion Silvio Pettirossi Airport?

    Prices for flights from Portland Airport to Asuncion Silvio Pettirossi Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Asuncion Silvio Pettirossi Airport?

  • How old do you have to be to fly from Portland Airport to Asuncion Silvio Pettirossi Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Asuncion Silvio Pettirossi Airport.

  • What documentation or ID do you need to fly to Asuncion Silvio Pettirossi Airport?

    The necessary travel and health documents for your Asuncion Silvio Pettirossi Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland to Asuncion?

Best airlines flying from Portland to Asuncion

Compare and see reviews for airlines that fly from Portland to Asuncion with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $1,052Free CancellationRating
7.5
1,861 reviews
Search LATAM Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Asuncion?

Finding the right flight to Asuncion from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Asuncion quick and easy, saving you time and money.

Can I find flights from Portland to Asuncion with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to Asuncion flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to Asuncion?

momondo helps you find the best flight between Portland and Asuncion by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to Asuncion right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portland to Asuncion flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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