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Asuncion

$704+ 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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ASU
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from Washington to Asuncion

Keep the following information in mind while searching for Washington to Asuncion flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$892
(Travelocity)

One-way from

$704
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$1,798
Provider with most accurate pricing for Seattle/Tacoma Intl-Asuncion Silvio Pettirossi flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Asuncion Silvio Pettirossi flights.
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From Washington to Asuncion Silvio Pettirossi
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One-way flight from Washington to Asuncion Silvio Pettirossi
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Highest demand for flights based on searches. 8% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($64 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 3, 2025.

This Travelocity deal was found by Cheapflights users on 11/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/110:15 pmSEA - ASU
2 stops38h 15mMultiple Airlines
Mon 12/88:25 amASU - SEA
2 stops20h 16mMultiple Airlines
Deal found 11/3$892
This Ovago deal was found by Cheapflights users on 11/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:20 pmSEA - ASU
3 stops61h 20mMultiple Airlines
Sun 3/88:25 amASU - SEA
2 stops32h 35mMultiple Airlines
Deal found 11/3$1,140
This SmartFares deal was found by Cheapflights users on 11/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/512:51 pmGEG - ASU
2 stops36h 24mMultiple Airlines
Fri 11/711:05 amASU - GEG
2 stops40h 18mMultiple Airlines
Deal found 11/1$1,224
This Priceline deal was found by Cheapflights users on 11/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/512:51 pmGEG - ASU
2 stops36h 24mLATAM Airlines
Fri 11/76:30 pmASU - GEG
2 stops24h 28mLATAM Airlines
Deal found 11/1$1,438
This Orbitz deal was found by Cheapflights users on 11/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:50 pmSEA - ASU
2 stops26h 25mMultiple Airlines
Sat 1/31:20 pmASU - SEA
2 stops50h 20mMultiple Airlines
Deal found 11/2$1,674
This Copa Airlines deal was found by Cheapflights users on 11/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:07 pmSEA - ASU
2 stops31h 23mCopa Airlines
Sun 12/71:45 amASU - SEA
2 stops25h 45mCopa Airlines
Deal found 11/3$1,813
This Copa Airlines deal was found by Cheapflights users on 11/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:41 pmSEA - ASU
2 stops35h 49mCopa Airlines
Sat 3/74:11 amASU - SEA
2 stops23h 05mCopa Airlines
Deal found 11/3$2,167
This Copa Airlines deal was found by Cheapflights users on 11/2. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:41 pmSEA - ASU
2 stops25h 30mCopa Airlines
Fri 1/21:59 amASU - SEA
2 stops26h 58mCopa Airlines
Deal found 11/2$2,712
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:12 pmSEA - ASU
2 stops29h 18mUnited Airlines
Sat 1/36:42 amASU - SEA
3 stops59h 05mUnited Airlines
Deal found 11/2$3,763
This Orbitz deal was found by Cheapflights users on 11/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:15 pmSEA - ASU
2 stops28h 00mMultiple Airlines
Thu 12/118:25 amASU - SEA
2 stops30h 13mMultiple Airlines
Deal found 11/2$4,461

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 November 3, 2025.
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

Mon 12/1

10:15 pm-5:30 pm

2 stops38h 15m

Asuncion Silvio Pettirossi

Sun 3/8

6:30 pm-10:12 pm

2 stops31h 42m

$892

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Mon 12/1

10:15 pm-5:30 pm

2 stops38h 15m

Asuncion Silvio Pettirossi

Mon 12/8

8:25 am-11:41 pm

2 stops20h 16m

$892

SpokaneAsuncion

GEG - ASU

GEGASU

Spokane

Sun 4/12

10:45 pm-6:10 am

2 stops27h 25m

Asuncion Silvio Pettirossi

Thu 4/16

8:25 am-11:32 am

2 stops31h 07m

$1,150

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Sun 2/22

10:52 pm-5:32 am

2 stops25h 40m

Asuncion Silvio Pettirossi

Sat 2/28

8:20 am-10:59 pm

2 stops43h 39m

$1,279

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Tue 1/13

7:24 am-5:40 pm

2 stops29h 16m

Asuncion Silvio Pettirossi

Wed 1/21

3:10 am-7:50 pm

2 stops45h 40m

$1,501

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Sun 4/5

7:10 am-5:37 am

2 stops42h 27m

Asuncion Silvio Pettirossi

Wed 4/8

6:42 am-10:44 pm

2 stops44h 02m

$1,557

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sat 12/27

10:50 pm-6:15 am

2 stops26h 25m

Asuncion Silvio Pettirossi

Sat 1/3

1:20 pm-10:40 am

2 stops50h 20m

$1,674

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Mon 12/1

5:07 pm-5:30 am

2 stops31h 23m

Asuncion Silvio Pettirossi

Sun 12/7

1:45 am-10:30 pm

2 stops25h 45m

$1,813

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Mon 12/1

12:41 pm-5:30 am

2 stops35h 49m

Asuncion Silvio Pettirossi

Sat 3/7

4:11 am-10:16 pm

2 stops23h 05m

$2,167

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sat 12/27

5:41 pm-12:11 am

2 stops25h 30m

Asuncion Silvio Pettirossi

Fri 1/2

1:59 am-11:57 pm

2 stops26h 58m

$2,712

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 16 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

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

Find hourly flight availability from Washington 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 November 3, 2025.

One of the essential ways to save on airfare from State of Washington to Asuncion is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 21% on airfare.

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 and Copa Airlines fly from State of Washington to Asuncion in about 27h 25m. The time it takes to get you to your destination can typically vary by up to 3h 58m. State of Washington and Asuncion are separated by a distance of 6255 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 Spokane - Asuncion Silvio Pettirossi, Portland - Asuncion Silvio Pettirossi or Seattle/Tacoma Intl - 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

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Alternative routes for Washington to Asuncion

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$751Average$1,111FlexibilityNo cancel feeOn-time81%

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