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Cheap flights from Seattle to Asuncion from $468

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Asuncion departing on 11/18. 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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Find the cheapest flights from Seattle to Asuncion

Cheap round-trip flights

United Airlines Logo
5:30 am - 5:30 amSEA-ASU
19h 00m2 stops
United Airlines Logo
1:46 am - 12:59 amASU-SEA
28h 13m2 stops
$832United Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23
LATAM Airlines Logo
7:10 am - 6:15 amSEA-ASU
19h 05m2 stops
LATAM Airlines Logo
1:20 pm - 12:43 pmASU-SEA
28h 23m2 stops
$870LATAM Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
LATAM Airlines Logo
6:00 am - 6:15 amSEA-ASU
19h 15m2 stops
LATAM Airlines Logo
8:25 am - 11:59 pmASU-SEA
20h 34m2 stops
$977LATAM Airlines
Find Deal
Wed, Nov 19 - Tue, Nov 25
Multiple Airlines Logo
8:05 am - 5:40 pmSEA-ASU
28h 35m2 stops
Multiple Airlines Logo
8:25 am - 9:45 amASU-SEA
30h 20m2 stops
$1,002Multiple Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
United Airlines Logo
5:30 am - 12:11 amSEA-ASU
37h 41m2 stops
United Airlines Logo
1:46 am - 8:23 amASU-SEA
35h 37m2 stops
$1,048United Airlines
Find Deal
Thu, Nov 20 - Sun, Nov 23
Multiple Airlines Logo
6:00 am - 6:15 amSEA-ASU
19h 15m2 stops
Multiple Airlines Logo
8:25 am - 12:58 pmASU-SEA
33h 33m2 stops
$1,062Multiple Airlines
Find Deal
Fri, Feb 20 - Sat, Mar 7
United Airlines Logo
5:30 am - 5:30 amSEA-ASU
19h 00m2 stops
United Airlines Logo
1:46 am - 6:10 pmASU-SEA
45h 24m3 stops
$1,117United Airlines
Find Deal
Thu, Nov 20 - Sun, Nov 23
LATAM Airlines Logo
11:40 am - 6:15 amSEA-ASU
37h 35m2 stops
LATAM Airlines Logo
8:25 am - 10:15 amASU-SEA
30h 50m2 stops
$1,204LATAM Airlines
Find Deal
Thu, Nov 20 - Tue, Nov 25
Copa Airlines Logo
6:30 am - 12:15 amSEA-ASU
37h 45m2 stops
Copa Airlines Logo
6:42 am - 10:18 pmASU-SEA
19h 36m2 stops
$4,486Copa Airlines
Find Deal
Sun, Mar 15 - Fri, Mar 27
Copa Airlines Logo
5:31 pm - 12:01 amSEA-ASU
26h 30m2 stops
Copa Airlines Logo
1:45 am - 9:53 pmASU-SEA
24h 08m2 stops
$4,850Copa Airlines
Find Deal
Sun, Oct 12 - Wed, Oct 22

United Airlines flights from Seattle to Asuncion

Our best United Airlines deals on Seattle to Asuncion flight tickets
United Airlines
Nov 19
SEA5:30 amSeattle/Tacoma Intl
19h 00m
2 stops
ASU5:30 amAsuncion Silvio Pettirossi
Nov 23
ASU1:46 amAsuncion Silvio Pettirossi
28h 13m
2 stops
SEA12:59 amSeattle/Tacoma Intl
$832
Find similar
United Airlines
Nov 20
SEA5:30 amSeattle/Tacoma Intl
37h 41m
2 stops
ASU12:11 amAsuncion Silvio Pettirossi
Nov 23
ASU1:46 amAsuncion Silvio Pettirossi
35h 37m
2 stops
SEA8:23 amSeattle/Tacoma Intl
$1,048
Find similar
United Airlines
Nov 20
SEA5:30 amSeattle/Tacoma Intl
19h 00m
2 stops
ASU5:30 amAsuncion Silvio Pettirossi
Nov 23
ASU1:46 amAsuncion Silvio Pettirossi
45h 24m
3 stops
SEA6:10 pmSeattle/Tacoma Intl
$1,117
Find similar

LATAM Airlines flights from Seattle to Asuncion

Our best LATAM Airlines deals on Seattle to Asuncion flight tickets
LATAM Airlines
Nov 1
SEA7:10 amSeattle/Tacoma Intl
19h 05m
2 stops
ASU6:15 amAsuncion Silvio Pettirossi
Nov 8
ASU1:20 pmAsuncion Silvio Pettirossi
28h 23m
2 stops
SEA12:43 pmSeattle/Tacoma Intl
$870
Find similar
LATAM Airlines
Nov 19
SEA6:00 amSeattle/Tacoma Intl
19h 15m
2 stops
ASU6:15 amAsuncion Silvio Pettirossi
Nov 25
ASU8:25 amAsuncion Silvio Pettirossi
20h 34m
2 stops
SEA11:59 pmSeattle/Tacoma Intl
$977
Find similar
LATAM Airlines
Nov 20
SEA11:40 amSeattle/Tacoma Intl
37h 35m
2 stops
ASU6:15 amAsuncion Silvio Pettirossi
Nov 25
ASU8:25 amAsuncion Silvio Pettirossi
30h 50m
2 stops
SEA10:15 amSeattle/Tacoma Intl
$1,204
Find similar

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 September 17, 2025.
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

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 11/19

5:30 am-5:30 am

2 stops19h 00m

Asuncion Silvio Pettirossi

Sun 11/23

1:46 am-12:59 am

2 stops28h 13m

$832

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sat 11/1

7:10 am-6:15 am

2 stops19h 05m

Asuncion Silvio Pettirossi

Sat 11/8

1:20 pm-12:43 pm

2 stops28h 23m

$870

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 11/19

6:00 am-6:15 am

2 stops19h 15m

Asuncion Silvio Pettirossi

Tue 11/25

8:25 am-11:59 pm

2 stops20h 34m

$977

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Thu 11/20

8:05 am-5:40 pm

2 stops28h 35m

Asuncion Silvio Pettirossi

Mon 11/24

8:25 am-9:45 am

2 stops30h 20m

$1,002

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Thu 11/20

5:30 am-12:11 am

2 stops37h 41m

Asuncion Silvio Pettirossi

Sun 11/23

1:46 am-8:23 am

2 stops35h 37m

$1,048

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Fri 2/20

6:00 am-6:15 am

2 stops19h 15m

Asuncion Silvio Pettirossi

Sat 3/7

8:25 am-12:58 pm

2 stops33h 33m

$1,062

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Thu 11/20

5:30 am-5:30 am

2 stops19h 00m

Asuncion Silvio Pettirossi

Sun 11/23

1:46 am-6:10 pm

3 stops45h 24m

$1,117

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Thu 11/20

11:40 am-6:15 am

2 stops37h 35m

Asuncion Silvio Pettirossi

Tue 11/25

8:25 am-10:15 am

2 stops30h 50m

$1,204

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sun 3/15

6:30 am-12:15 am

2 stops37h 45m

Asuncion Silvio Pettirossi

Fri 3/27

6:42 am-10:18 pm

2 stops19h 36m

$4,486

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sun 10/12

5:31 pm-12:01 am

2 stops26h 30m

Asuncion Silvio Pettirossi

Wed 10/22

1:45 am-9:53 pm

2 stops24h 08m

$4,850

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Asuncion from

How to get the cheapest flight ticket from Seattle to Asuncion

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Asuncion?

According to our data, Monday is the cheapest day to fly to Asuncion from Seattle. The lowest ticket price found for a Monday departure recently was $1,015. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Asuncion is Sunday, with ticket prices averaging around $1,449.

What is the cheapest time of day to depart on your flight to Asuncion?

The cheapest time of day to fly to Asuncion is at noon when flights can be purchased for as low as $1,222. Flights in the morning are often more expensive with an average ticket price of $1,469.

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

Direct flights

None
There are no direct flights from Seattle to Asuncion. There are no popular flight routes from Seattle to Asuncion.
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  • How far is Seattle/Tacoma Intl to Asuncion Silvio Pettirossi by plane?

    Asuncion Silvio Pettirossi is 6431.9 mi away from Seattle/Tacoma Intl. 18h 55m 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 $751Free CancellationRating
7.5
1,849 reviews
Search LATAM Airlines flights

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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