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Asuncion

$509+ Cheap flights from Portland (PDX) 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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ASU
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find flight deals from Portland to Asuncion

Best flights from Portland to Asuncion
Discover carefully curated flight deals from Portland to Asuncion that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 16, 2025.

This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sun 4/52:25 pmPDX - ASU
2 stops35h 12mUnited Airlines
Wed 4/81:59 amASU - PDX
2 stops24h 45mUnited Airlines
Deal found 10/14$1,557
This LATAM Airlines deal was found by Cheapflights users on 10/15. 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.
Sun 4/56:30 amPDX - ASU
2 stops31h 30mLATAM Airlines
Thu 4/911:05 amASU - PDX
2 stops33h 10mLATAM Airlines
Deal found 10/15$1,574

Cheap flight deals from Portland to Asuncion

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,310
(LATAM Airlines)

One-way from

$509
(Kiwi.com)

Popular in

August

Cheapest in

December

Average price

$1,658
Provider with most accurate pricing for Portland-Asuncion Silvio Pettirossi flight deals.
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Provider most trusted by Cheapflights users for Portland-Asuncion Silvio Pettirossi flights.
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From Portland to Asuncion Silvio Pettirossi
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One-way flight from Portland to Asuncion Silvio Pettirossi
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Portland to Asuncion that are best for you.

Fly from

Portland

Fly to

Asuncion

Route

Depart

Return

Price

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Sun 4/5

2:25 pm-5:37 am

2 stops35h 12m

Asuncion Silvio Pettirossi

Wed 4/8

1:59 am-10:44 pm

2 stops24h 45m

$1,557

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Sun 4/5

6:30 am-6:00 pm

2 stops31h 30m

Asuncion Silvio Pettirossi

Thu 4/9

11:05 am-4:15 pm

2 stops33h 10m

$1,574

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Mon 12/22

8:45 pm-5:15 am

3 stops51h 30m

$509

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Tue 12/23

5:39 pm-6:15 am

3 stops31h 36m

$524

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Wed 12/24

6:26 pm-12:11 am

3 stops48h 45m

$588

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Sun 12/21

10:24 pm-6:15 am

3 stops50h 51m

$757

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Sat 12/20

7:08 pm-5:30 am

3 stops53h 22m

$813

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Compare providers for flights from Portland 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 Portland to Asuncion in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Asuncion flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Asuncion flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Asuncion flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Asuncion 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 Portland-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 Portland to Asuncion

Have a flexible travel schedule? Discover the best time to fly to Asuncion from Portland 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 Portland to Asuncion

What is the cheapest month to book a flight from Portland to Asuncion?

Currently, April is the cheapest month in which you can book a flight from Portland to Asuncion (average of $978). Flying from Portland to Asuncion in August is currently the most expensive (average of $1,755). 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.

What is the cheapest time of day to fly from PDX to ASU?

Find hourly flight availability from Portland to Asuncion. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

One of the essential ways to save on airfare from Portland to Asuncion is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 48% on airfare.

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 October 16, 2025.
See what other customers who have flown with LATAM Airlines from Portland to Asuncion have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,866 reviews

Entertainment

7.0

Food

6.7

Boarding

7.6

Overall

7.5

Comfort

7.3

Crew

8.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
LATAM Airlines
7.5
Good
1,866 reviews
LATAM Airlines
7.5
Good
1,866 reviews

Entertainment

7.0

Food

6.7

Boarding

7.6

Overall

7.5

Comfort

7.3

Crew

8.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Related info for your journey

Find useful and relevant information for your journey from Portland to Asuncion. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Asuncion?

    United Airlines can get you from Portland to Asuncion in just under 35h 12m. Your travel time can differ by up to . There are 6364 mi between Portland and Asuncion.

  • What is the cheapest airline to fly from Portland to Asuncion round-trip?

    Our cheapest airline available from Portland to Asuncion is LATAM Airlines. Our recent data shows that you can find tickets from as low as $1,052 on this airline. You may be able to fly from Portland to Asuncion for 24% less than the average price by searching for this airline.

  • Can I find deals for flights from Portland to Asuncion that include hotel bookings?

    Yes. In addition to deals on Portland to Asuncion flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Asuncion?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Asuncion.

  • Can I find deals for business class flights from Portland to Asuncion?

    Yes. Cheapflights offers flight deals from Portland 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 Portland to Asuncion?

    Currently, April is the cheapest month in which you can book a flight from Portland to Asuncion (average of $978). Flying from Portland to Asuncion in August is currently the most expensive (average of $1,755). 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.

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Top airline flying from Portland to Asuncion

Discover the top airline that operate flights from Portland 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$1,052Average$1,499FlexibilityNo cancel feeOn-time81%

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