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Asuncion

$409+ Cheap flights from Washington 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ASU
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Washington to Asuncion

Cheapest flights from Washington to Asuncion
Explore the most affordable flight options available from Washington to Asuncion. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This LATAM Airlines deal was found by Cheapflights users on 2/2. 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 8/177:20 am
SEA
-
ASU
2 stops18h 45m
LATAM Airlines
Thu 8/204:05 am
ASU
-
SEA
2 stops34h 00m
LATAM Airlines
Deal found 2/2$871
This Trip.com deal was found by Cheapflights users on 2/2. 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.
Thu 3/192:38 pm
SEA
-
ASU
2 stops34h 37m
Multiple Airlines
Thu 3/268:20 am
ASU
-
SEA
2 stops28h 17m
Multiple Airlines
Deal found 2/2$882
This SmartFares deal was found by Cheapflights users on 2/3. 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.
Tue 6/308:22 am
SEA
-
ASU
2 stops23h 53m
Multiple Airlines
Thu 7/304:05 am
ASU
-
SEA
2 stops21h 46m
Multiple Airlines
Deal found 2/3$1,024
This United Airlines deal was found by Cheapflights users on 2/4. 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 8/1711:59 pm
SEA
-
ASU
2 stops19h 58m
United Airlines
Thu 8/206:33 am
ASU
-
SEA
3 stops35h 23m
United Airlines
Deal found 2/4$1,275
This LATAM Airlines deal was found by Cheapflights users on 2/4. 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 10/269:45 pm
PDX
-
ASU
2 stops28h 20m
LATAM Airlines
Thu 10/298:10 am
ASU
-
PDX
2 stops30h 46m
LATAM Airlines
Deal found 2/4$1,516
This LATAM Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 8/1812:40 pm
GEG
-
ASU
2 stops25h 00m
LATAM Airlines
Thu 8/206:30 pm
ASU
-
GEG
2 stops23h 36m
LATAM Airlines
Deal found 2/2$1,517
This Ovago deal was found by Cheapflights users on 2/4. 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 3/212:09 pm
PDX
-
ASU
2 stops37h 06m
Multiple Airlines
Wed 3/1811:20 am
ASU
-
PDX
2 stops30h 17m
Multiple Airlines
Deal found 2/4$1,545
This FlightHub deal was found by Cheapflights users on 2/3. 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.
Mon 2/231:02 pm
PDX
-
ASU
2 stops36h 13m
LATAM Airlines
Mon 3/211:20 am
ASU
-
PDX
2 stops28h 32m
LATAM Airlines
Deal found 2/3$1,646
This KAYAK deal was found by Cheapflights users on 2/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:00 am
PDX
-
ASU
2 stops17h 40m
Multiple Airlines
Sat 8/156:33 am
ASU
-
PDX
2 stops33h 25m
Multiple Airlines
Deal found 2/5$1,664
This United Airlines deal was found by Cheapflights users on 2/3. 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 2/238:30 am
PDX
-
ASU
2 stops40h 02m
United Airlines
Mon 3/26:42 am
ASU
-
PDX
3 stops34h 56m
United Airlines
Deal found 2/3$1,690
This United Airlines deal was found by Cheapflights users on 2/1. 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 8/1812:30 pm
GEG
-
ASU
2 stops31h 27m
United Airlines
Thu 8/206:33 am
ASU
-
GEG
2 stops45h 05m
United Airlines
Deal found 2/1$1,846
This KAYAK deal was found by Cheapflights users on 2/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2011:59 pm
PDX
-
ASU
3 stops31h 16m
GOL
Sat 8/1512:05 pm
ASU
-
PDX
2 stops26h 39m
GOL
Deal found 2/5$2,085

Find flight deals from Washington to Asuncion

Keep the following information in mind while searching for Washington to Asuncion flight deals. Data was last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$882
(Trip.com)

One-way from

$409
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$1,517
Provider with most accurate pricing for Seattle/Tacoma Intl-Asuncion Silvio Pettirossi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Asuncion Silvio Pettirossi flights.
Search Deals
From Washington to Asuncion Silvio Pettirossi
Search Deals
One-way flight from Washington to Asuncion Silvio Pettirossi
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($263 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 February 5, 2026.
Use the filters below to find and compare flights from Washington to Asuncion that are best for you.

Fly from

Washington

Fly to

Asuncion

Route

Depart

Return

Price

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Thu 3/19

2:38 pm-5:15 am

2 stops34h 37m

Asuncion Silvio Pettirossi

Thu 3/26

8:20 am-8:37 am

2 stops28h 17m

$882

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Tue 6/30

8:22 am-12:15 pm

2 stops23h 53m

Asuncion Silvio Pettirossi

Thu 7/30

4:05 am-9:51 pm

2 stops21h 46m

$1,024

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Mon 3/2

12:09 pm-6:15 am

2 stops37h 06m

Asuncion Silvio Pettirossi

Wed 3/18

11:20 am-1:37 pm

2 stops30h 17m

$1,545

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Mon 2/23

1:02 pm-6:15 am

2 stops36h 13m

Asuncion Silvio Pettirossi

Mon 3/2

11:20 am-10:52 am

2 stops28h 32m

$1,646

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Sat 6/20

7:00 am-4:40 am

2 stops17h 40m

Asuncion Silvio Pettirossi

Sat 8/15

6:33 am-11:58 am

2 stops33h 25m

$1,664

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Mon 2/23

8:30 am-5:32 am

2 stops40h 02m

Asuncion Silvio Pettirossi

Mon 3/2

6:42 am-12:38 pm

3 stops34h 56m

$1,690

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Sat 6/20

11:59 pm-11:15 am

3 stops31h 16m

Asuncion Silvio Pettirossi

Sat 8/15

12:05 pm-10:44 am

2 stops26h 39m

$2,085

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Mon 7/27

9:21 pm-4:40 am

2 stops27h 19m

Asuncion Silvio Pettirossi

Sat 8/1

8:10 am-12:11 pm

2 stops32h 01m

$4,511

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sat 2/28

8:00 am-6:15 am

2 stops41h 15m

Asuncion Silvio Pettirossi

Wed 3/11

8:25 am-10:16 pm

2 stops41h 51m

$4,553

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 3/4

6:15 am-11:30 pm

2 stops36h 15m

Asuncion Silvio Pettirossi

Sun 3/15

11:05 am-9:48 pm

3 stops62h 43m

$6,184

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 11 results
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Best time to book a flight from Washington to Asuncion

Have a flexible travel schedule? Discover the best time to fly to Asuncion from Washington 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 Washington to Asuncion
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to Asuncion from Washington?

    Asuncion Silvio Pettirossi (ASU) is the airport you will fly into if you book a flight from Washington to Asuncion. It is only a 7.8 mi journey from Silvio Pettirossi (ASU) to Asuncion’s city center.

  • How long is the flight from State of Washington to Asuncion?

    Airlines like LATAM Airlines fly from State of Washington to Asuncion in about 36h 13m. The time it takes to get you to your destination can typically vary by up to . State of Washington and Asuncion are separated by a distance of 6364 mi.

  • What are the most popular routes from State of Washington to Asuncion?

    When deciding which route to take from State of Washington to Asuncion consider Portland - Asuncion Silvio Pettirossi, Seattle/Tacoma Intl - Asuncion Silvio Pettirossi or Spokane - Asuncion Silvio Pettirossi as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Washington to Asuncion

Discover the top airline that operate flights from Washington 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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$729Average$1,015FlexibilityNo cancel feeOn-time81%

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