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$724+ Cheap flights from Asuncion (ASU) to Seattle (SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
ASU — SEA
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Asuncion to Seattle

Best flights from Asuncion to Seattle
Discover carefully curated flight deals from Asuncion to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

This United Airlines deal was found by Cheapflights users on 12/25. 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.
Thu 2/266:42 amASU - SEA
2 stops45h 25mUnited Airlines
Sat 3/72:15 pmSEA - ASU
2 stops34h 17mUnited Airlines
Deal found 12/25$724
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Wed 2/256:42 amASU - SEA
2 stops45h 18mUnited Airlines
Thu 3/1211:59 pmSEA - ASU
2 stops25h 33mUnited Airlines
Deal found 12/25$724
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Thu 2/266:42 amASU - SEA
2 stops45h 25mUnited Airlines
Mon 3/96:45 amSEA - ASU
2 stops18h 47mUnited Airlines
Deal found 12/25$724
This United Airlines deal was found by Cheapflights users on 12/25. 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 2/246:42 amASU - SEA
3 stops40h 21mUnited Airlines
Sun 3/86:45 amSEA - ASU
2 stops18h 47mUnited Airlines
Deal found 12/25$724
This United Airlines deal was found by Cheapflights users on 12/25. 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 2/246:42 amASU - SEA
3 stops40h 21mUnited Airlines
Thu 3/1211:59 pmSEA - ASU
2 stops25h 33mUnited Airlines
Deal found 12/25$724
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Wed 2/256:42 amASU - SEA
2 stops45h 18mUnited Airlines
Tue 3/102:15 pmSEA - ASU
2 stops35h 17mUnited Airlines
Deal found 12/25$724
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Thu 2/266:42 amASU - SEA
2 stops45h 25mUnited Airlines
Thu 3/1211:59 pmSEA - ASU
2 stops20h 16mUnited Airlines
Deal found 12/25$724
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Wed 2/256:42 amASU - SEA
2 stops45h 18mUnited Airlines
Sun 3/82:15 pmSEA - ASU
2 stops35h 17mUnited Airlines
Deal found 12/25$724
This United Airlines deal was found by Cheapflights users on 12/25. 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 2/246:42 amASU - SEA
2 stops35h 42mUnited Airlines
Tue 3/1011:59 pmSEA - ASU
2 stops25h 33mUnited Airlines
Deal found 12/25$724
This United Airlines deal was found by Cheapflights users on 12/25. 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 2/246:42 amASU - SEA
3 stops40h 21mUnited Airlines
Sat 3/72:15 pmSEA - ASU
2 stops34h 17mUnited Airlines
Deal found 12/25$724
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Wed 2/256:42 amASU - SEA
2 stops45h 18mUnited Airlines
Wed 3/1111:59 pmSEA - ASU
2 stops20h 16mUnited Airlines
Deal found 12/25$724
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Wed 2/256:42 amASU - SEA
2 stops45h 18mUnited Airlines
Mon 3/92:15 pmSEA - ASU
2 stops35h 17mUnited Airlines
Deal found 12/25$724

Find flight deals from Asuncion to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Asuncion (ASU) to Seattle (SEA). 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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$724
(United Airlines)

Popular in

May

Cheapest in

December

Average price

$887
Provider with most accurate pricing for Asuncion Silvio Pettirossi-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Asuncion Silvio Pettirossi-Seattle/Tacoma Intl flights.
Search Deals
From Asuncion Silvio Pettirossi to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($156 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Asuncion to Seattle 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 December 28, 2025.
Use the filters below to find and compare flights from Asuncion to Seattle that are best for you.

Fly from

Asuncion

Fly to

Seattle

Route

Depart

Return

Price

AsuncionSeattle

ASU - SEA

ASUSEA

Asuncion Silvio Pettirossi

Thu 2/26

6:42 am-11:07 pm

2 stops45h 25m

Seattle/Tacoma Intl

Sat 3/7

2:15 pm-5:32 am

2 stops34h 17m

$724

AsuncionSeattle

ASU - SEA

ASUSEA

Asuncion Silvio Pettirossi

Wed 2/25

6:42 am-11:00 pm

2 stops45h 18m

Seattle/Tacoma Intl

Thu 3/12

11:59 pm-5:32 am

2 stops25h 33m

$724

AsuncionSeattle

ASU - SEA

ASUSEA

Asuncion Silvio Pettirossi

Thu 2/26

6:42 am-11:07 pm

2 stops45h 25m

Seattle/Tacoma Intl

Mon 3/9

6:45 am-5:32 am

2 stops18h 47m

$724

AsuncionSeattle

ASU - SEA

ASUSEA

Asuncion Silvio Pettirossi

Tue 2/24

6:42 am-6:03 pm

3 stops40h 21m

Seattle/Tacoma Intl

Sun 3/8

6:45 am-5:32 am

2 stops18h 47m

$724

AsuncionSeattle

ASU - SEA

ASUSEA

Asuncion Silvio Pettirossi

Tue 2/24

6:42 am-6:03 pm

3 stops40h 21m

Seattle/Tacoma Intl

Thu 3/12

11:59 pm-5:32 am

2 stops25h 33m

$724

AsuncionSeattle

ASU - SEA

ASUSEA

Asuncion Silvio Pettirossi

Wed 2/25

6:42 am-11:00 pm

2 stops45h 18m

Seattle/Tacoma Intl

Tue 3/10

2:15 pm-5:32 am

2 stops35h 17m

$724

AsuncionSeattle

ASU - SEA

ASUSEA

Asuncion Silvio Pettirossi

Thu 2/26

6:42 am-11:07 pm

2 stops45h 25m

Seattle/Tacoma Intl

Thu 3/12

11:59 pm-12:15 am

2 stops20h 16m

$724

AsuncionSeattle

ASU - SEA

ASUSEA

Asuncion Silvio Pettirossi

Wed 2/25

6:42 am-11:00 pm

2 stops45h 18m

Seattle/Tacoma Intl

Sun 3/8

2:15 pm-5:32 am

2 stops35h 17m

$724

AsuncionSeattle

ASU - SEA

ASUSEA

Asuncion Silvio Pettirossi

Tue 2/24

6:42 am-1:24 pm

2 stops35h 42m

Seattle/Tacoma Intl

Tue 3/10

11:59 pm-5:32 am

2 stops25h 33m

$724

AsuncionSeattle

ASU - SEA

ASUSEA

Asuncion Silvio Pettirossi

Tue 2/24

6:42 am-6:03 pm

3 stops40h 21m

Seattle/Tacoma Intl

Sat 3/7

2:15 pm-5:32 am

2 stops34h 17m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 12 results
1
2

Compare providers for flights from Asuncion to Seattle

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 Asuncion to Seattle in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

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

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

Related info for your journey

Find useful and relevant information for your journey from Asuncion to Seattle. 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 Asuncion to Seattle?

    Departing from Asuncion to Seattle will take you 45h 25m. The distance between Asuncion and Seattle is about 6426 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Asuncion to Seattle 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Fife
Aberdeen
Shoreline
Centralia
Federal Way
Chehalis

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