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Cheap flights from Seattle to Asuncion from $892

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 12/1. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:15 pm - 5:30 pmSEA-ASU
38h 15m2 stops
Multiple Airlines Logo
6:30 pm - 10:12 pmASU-SEA
31h 42m2 stops
$892Multiple Airlines
Find Deal
Mon, Dec 1 - Sun, Mar 8
Multiple Airlines Logo
11:20 pm - 5:40 pmSEA-ASU
61h 20m3 stops
Multiple Airlines Logo
8:25 am - 1:00 pmASU-SEA
32h 35m2 stops
$1,140Multiple Airlines
Find Deal
Mon, Dec 1 - Sun, Mar 8
Copa Airlines Logo
12:36 pm - 12:11 amSEA-ASU
30h 35m2 stops
Copa Airlines Logo
6:42 am - 11:41 amASU-SEA
33h 59m2 stops
$1,414Copa Airlines
Find Deal
Sat, Dec 13 - Wed, Jan 21
Multiple Airlines Logo
1:07 am - 5:15 amSEA-ASU
23h 08m2 stops
Multiple Airlines Logo
4:11 am - 7:48 pmASU-SEA
20h 37m2 stops
$1,523Multiple Airlines
Find Deal
Sun, Nov 30 - Sat, Mar 7
Multiple Airlines Logo
10:50 pm - 6:15 amSEA-ASU
26h 25m2 stops
Multiple Airlines Logo
1:20 pm - 10:40 amASU-SEA
50h 20m2 stops
$1,674Multiple Airlines
Find Deal
Sat, Dec 27 - Sat, Jan 3
Multiple Airlines Logo
11:05 pm - 5:15 amSEA-ASU
49h 10m2 stops
Multiple Airlines Logo
11:05 am - 9:45 pmASU-SEA
63h 40m3 stops
$1,735Multiple Airlines
Find Deal
Sat, Dec 13 - Wed, Jan 21
Copa Airlines Logo
5:07 pm - 5:30 amSEA-ASU
31h 23m2 stops
Copa Airlines Logo
1:45 am - 10:30 pmASU-SEA
25h 45m2 stops
$1,813Copa Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 7
United Airlines Logo
7:12 pm - 5:30 amSEA-ASU
29h 18m2 stops
United Airlines Logo
6:42 am - 12:47 pmASU-SEA
59h 05m3 stops
$3,763United Airlines
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Sat, Dec 27 - Sat, Jan 3
LATAM Airlines Logo
10:05 pm - 12:25 pmSEA-ASU
33h 20m2 stops
LATAM Airlines Logo
8:25 am - 11:58 pmASU-SEA
20h 33m2 stops
$4,768LATAM Airlines
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Sun, Nov 30 - Thu, Dec 11
United Airlines Logo
5:05 am - 5:30 amSEA-ASU
19h 25m3 stops
United Airlines Logo
6:33 am - 7:22 pmASU-SEA
17h 49m2 stops
$5,443United Airlines
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Sun, Nov 30 - Thu, Dec 11

Copa Airlines flights from Seattle to Asuncion

Our best Copa Airlines deals on Seattle to Asuncion flight tickets
Copa Airlines
Dec 13
SEA12:36 pmSeattle/Tacoma Intl
30h 35m
2 stops
ASU12:11 amAsuncion Silvio Pettirossi
Jan 21
ASU6:42 amAsuncion Silvio Pettirossi
33h 59m
2 stops
SEA11:41 amSeattle/Tacoma Intl
$1,414
Find similar
Copa Airlines
Dec 1
SEA5:07 pmSeattle/Tacoma Intl
31h 23m
2 stops
ASU5:30 amAsuncion Silvio Pettirossi
Dec 7
ASU1:45 amAsuncion Silvio Pettirossi
25h 45m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
$1,813
Find similar
Copa Airlines
Dec 1
SEA12:41 pmSeattle/Tacoma Intl
35h 49m
2 stops
ASU5:30 amAsuncion Silvio Pettirossi
Mar 7
ASU4:11 amAsuncion Silvio Pettirossi
23h 05m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
$2,167
Find similar

United Airlines flights from Seattle to Asuncion

Our best United Airlines deals on Seattle to Asuncion flight tickets
United Airlines
Dec 27
SEA7:12 pmSeattle/Tacoma Intl
29h 18m
2 stops
ASU5:30 amAsuncion Silvio Pettirossi
Jan 3
ASU6:42 amAsuncion Silvio Pettirossi
59h 05m
3 stops
SEA12:47 pmSeattle/Tacoma Intl
$3,763
Find similar
United Airlines
Nov 30
SEA5:05 amSeattle/Tacoma Intl
19h 25m
3 stops
ASU5:30 amAsuncion Silvio Pettirossi
Dec 11
ASU6:33 amAsuncion Silvio Pettirossi
17h 49m
2 stops
SEA7:22 pmSeattle/Tacoma Intl
$5,443
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 November 4, 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

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

11:20 pm-5:40 pm

3 stops61h 20m

Asuncion Silvio Pettirossi

Sun 3/8

8:25 am-1:00 pm

2 stops32h 35m

$1,140

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sat 12/13

12:36 pm-12:11 am

2 stops30h 35m

Asuncion Silvio Pettirossi

Wed 1/21

6:42 am-11:41 am

2 stops33h 59m

$1,414

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sun 11/30

1:07 am-5:15 am

2 stops23h 08m

Asuncion Silvio Pettirossi

Sat 3/7

4:11 am-7:48 pm

2 stops20h 37m

$1,523

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

Sat 12/13

11:05 pm-5:15 am

2 stops49h 10m

Asuncion Silvio Pettirossi

Wed 1/21

11:05 am-9:45 pm

3 stops63h 40m

$1,735

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

Sat 12/27

7:12 pm-5:30 am

2 stops29h 18m

Asuncion Silvio Pettirossi

Sat 1/3

6:42 am-12:47 pm

3 stops59h 05m

$3,763

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sun 11/30

10:05 pm-12:25 pm

2 stops33h 20m

Asuncion Silvio Pettirossi

Thu 12/11

8:25 am-11:58 pm

2 stops20h 33m

$4,768

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sun 11/30

5:05 am-5:30 am

3 stops19h 25m

Asuncion Silvio Pettirossi

Thu 12/11

6:33 am-7:22 pm

2 stops17h 49m

$5,443

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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.
Search flight deals

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

    Asuncion Silvio Pettirossi is 6431.9 mi away from Seattle/Tacoma Intl. 19h 25m 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
1,874 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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