Cheap flights from Seattle to Asuncion from $1,022

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Asuncion departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Asuncion

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 am - 6:05 am
SEA
-
ASU
40h 35m
2 stops
Multiple Airlines Logo
8:10 am - 8:00 pm
ASU
-
SEA
39h 50m
2 stops
$1,022Multiple Airlines
Tue, Aug 18 - Sun, Aug 30
Multiple Airlines Logo
9:07 pm - 6:05 am
SEA
-
ASU
28h 58m
2 stops
Multiple Airlines Logo
8:10 am - 11:56 pm
ASU
-
SEA
19h 46m
2 stops
$1,197Multiple Airlines
Wed, Aug 19 - Sun, Aug 30
Multiple Airlines Logo
9:07 pm - 6:05 am
SEA
-
ASU
28h 58m
2 stops
Multiple Airlines Logo
8:10 am - 11:59 pm
ASU
-
SEA
19h 49m
2 stops
$1,200Multiple Airlines
Wed, Aug 19 - Sun, Aug 30
LATAM Airlines Logo
10:00 pm - 10:35 am
SEA
-
ASU
32h 35m
2 stops
LATAM Airlines Logo
11:05 am - 9:58 pm
ASU
-
SEA
38h 53m
2 stops
$1,276LATAM Airlines
Wed, Oct 14 - Sun, Oct 18
LATAM Airlines Logo
3:10 pm - 2:20 am
SEA
-
ASU
31h 10m
2 stops
LATAM Airlines Logo
11:05 am - 12:30 pm
ASU
-
SEA
29h 25m
2 stops
$1,319LATAM Airlines
Tue, Jul 21 - Fri, Aug 28
LATAM Airlines Logo
7:25 am - 6:05 am
SEA
-
ASU
18h 40m
2 stops
LATAM Airlines Logo
6:30 pm - 10:05 pm
ASU
-
SEA
31h 35m
2 stops
$1,327LATAM Airlines
Thu, Jun 4 - Mon, Jun 8
Copa Airlines Logo
8:35 am - 11:57 pm
SEA
-
ASU
35h 22m
2 stops
Copa Airlines Logo
6:33 am - 9:51 pm
ASU
-
SEA
19h 18m
2 stops
$1,348Copa Airlines
Tue, Jul 21 - Mon, Aug 31
United Airlines Logo
11:59 pm - 5:31 am
SEA
-
ASU
25h 32m
2 stops
United Airlines Logo
6:33 am - 9:55 pm
ASU
-
SEA
43h 22m
2 stops
$1,354United Airlines
Wed, Oct 14 - Sun, Oct 18
United Airlines Logo
5:00 pm - 12:03 am
SEA
-
ASU
27h 03m
2 stops
United Airlines Logo
6:33 am - 2:24 pm
ASU
-
SEA
59h 51m
3 stops
$1,380United Airlines
Wed, Oct 14 - Sun, Oct 18
LATAM Airlines Logo
7:15 am - 6:05 am
SEA
-
ASU
18h 50m
2 stops
LATAM Airlines Logo
11:05 am - 12:58 pm
ASU
-
SEA
29h 53m
2 stops
$1,433LATAM Airlines
Wed, Jul 22 - Wed, Sep 2

United Airlines flights from Seattle to Asuncion

Our best United Airlines deals on Seattle to Asuncion flight tickets
United Airlines
Oct 14
SEA11:59 pmSeattle/Tacoma Intl
25h 32m
2 stops
ASU5:31 amAsuncion Silvio Pettirossi
Oct 18
ASU6:33 amAsuncion Silvio Pettirossi
43h 22m
2 stops
SEA9:55 pmSeattle/Tacoma Intl
$1,354
United Airlines
Oct 14
SEA5:00 pmSeattle/Tacoma Intl
27h 03m
2 stops
ASU12:03 amAsuncion Silvio Pettirossi
Oct 18
ASU6:33 amAsuncion Silvio Pettirossi
59h 51m
3 stops
SEA2:24 pmSeattle/Tacoma Intl
$1,380
United Airlines
Aug 18
SEA11:59 pmSeattle/Tacoma Intl
19h 58m
2 stops
ASU11:57 pmAsuncion Silvio Pettirossi
Aug 30
ASU6:33 amAsuncion Silvio Pettirossi
59h 51m
3 stops
SEA2:24 pmSeattle/Tacoma Intl
$1,441

LATAM Airlines flights from Seattle to Asuncion

Our best LATAM Airlines deals on Seattle to Asuncion flight tickets
LATAM Airlines
Oct 14
SEA10:00 pmSeattle/Tacoma Intl
32h 35m
2 stops
ASU10:35 amAsuncion Silvio Pettirossi
Oct 18
ASU11:05 amAsuncion Silvio Pettirossi
38h 53m
2 stops
SEA9:58 pmSeattle/Tacoma Intl
$1,276
LATAM Airlines
Jul 21
SEA3:10 pmSeattle/Tacoma Intl
31h 10m
2 stops
ASU2:20 amAsuncion Silvio Pettirossi
Aug 28
ASU11:05 amAsuncion Silvio Pettirossi
29h 25m
2 stops
SEA12:30 pmSeattle/Tacoma Intl
$1,319
LATAM Airlines
Jun 4
SEA7:25 amSeattle/Tacoma Intl
18h 40m
2 stops
ASU6:05 amAsuncion Silvio Pettirossi
Jun 8
ASU6:30 pmAsuncion Silvio Pettirossi
31h 35m
2 stops
SEA10:05 pmSeattle/Tacoma Intl
$1,327

momondo Fare Finder

 
Customize your flight search to find flights from Seattle 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 May 10, 2026.
Use the filters below to find and compare flights from Seattle to Asuncion that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Tue 8/18

9:30 am-6:05 am

2 stops40h 35m

Asuncion Silvio Pettirossi

Sun 8/30

8:10 am-8:00 pm

2 stops39h 50m

$1,022

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 8/19

9:07 pm-6:05 am

2 stops28h 58m

Asuncion Silvio Pettirossi

Sun 8/30

8:10 am-11:56 pm

2 stops19h 46m

$1,197

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 8/19

9:07 pm-6:05 am

2 stops28h 58m

Asuncion Silvio Pettirossi

Sun 8/30

8:10 am-11:59 pm

2 stops19h 49m

$1,200

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 10/14

10:00 pm-10:35 am

2 stops32h 35m

Asuncion Silvio Pettirossi

Sun 10/18

11:05 am-9:58 pm

2 stops38h 53m

$1,276

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Tue 7/21

3:10 pm-2:20 am

2 stops31h 10m

Asuncion Silvio Pettirossi

Fri 8/28

11:05 am-12:30 pm

2 stops29h 25m

$1,319

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Thu 6/4

7:25 am-6:05 am

2 stops18h 40m

Asuncion Silvio Pettirossi

Mon 6/8

6:30 pm-10:05 pm

2 stops31h 35m

$1,327

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Tue 7/21

8:35 am-11:57 pm

2 stops35h 22m

Asuncion Silvio Pettirossi

Mon 8/31

6:33 am-9:51 pm

2 stops19h 18m

$1,348

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 10/14

11:59 pm-5:31 am

2 stops25h 32m

Asuncion Silvio Pettirossi

Sun 10/18

6:33 am-9:55 pm

2 stops43h 22m

$1,354

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 10/14

5:00 pm-12:03 am

2 stops27h 03m

Asuncion Silvio Pettirossi

Sun 10/18

6:33 am-2:24 pm

3 stops59h 51m

$1,380
Quickest round-trip

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 7/22

7:15 am-6:05 am

2 stops18h 50m

Asuncion Silvio Pettirossi

Wed 9/2

11:05 am-12:58 pm

2 stops29h 53m

$1,433

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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When to book flights from Seattle to Asuncion

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

Cheap Seattle to Asuncion (SEA to ASU) flight deals and tips

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

Fastest flight time

26h 24m

Direct flights

None
The fastest flight from Seattle to Asuncion takes 26h 24m
There are no direct flights from Seattle to Asuncion. There are no popular flight routes from Seattle to Asuncion.

Frequently asked questions about flying from Seattle to Asuncion

  • How far is Seattle/Tacoma Intl to Asuncion Silvio Pettirossi by plane?

    Asuncion Silvio Pettirossi is 6431.9 mi away from Seattle/Tacoma Intl. 26h 24m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Asuncion Silvio Pettirossi Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Asuncion Silvio Pettirossi Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Asuncion Silvio Pettirossi Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Asuncion Silvio Pettirossi Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Asuncion Silvio Pettirossi Airport.

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

    The travel and health documents required for your trip to Asuncion Silvio Pettirossi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Asuncion Silvio Pettirossi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Seattle to Asuncion

Compare and see reviews for airlines that fly from Seattle to Asuncion with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $729Free CancellationRating
7.4
1,917 reviews
Search LATAM Airlines flights

Frequently asked questions about flying from Seattle to Asuncion

  • How do I get Price Alerts for flights from Seattle to Asuncion?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Seattle from Asuncion. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Seattle to Asuncion with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

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

Finding the right flight to Asuncion from Seattle 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 Seattle to Asuncion with flexible booking policies on momondo?

Yes. All flights to Asuncion from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Asuncion.

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

Yes. momondo can track prices for Seattle 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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Tue 6/9
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