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.

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?

As of June 2026, there is 1 operator available to choose from 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.

$507 Cheap Flights from Seattle to Asuncion in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Asuncion

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:39 pm - 11:57 pm

SEA

ASU

26h 18m

2 stops

6:31 am - 11:14 am

ASU

SEA

33h 43m

2 stops

$1,197Copa Airlines

Sun, Nov 8 - Sat, Nov 14

6:49 am - 6:05 am

SEA

ASU

19h 16m

2 stops

11:25 am - 2:50 pm

ASU

SEA

31h 25m

2 stops

$1,205Multiple Airlines

Fri, Aug 21 - Fri, Aug 28

8:25 am - 10:15 am

SEA

ASU

20h 50m

2 stops

8:10 am - 10:35 am

ASU

SEA

31h 25m

2 stops

$1,221LATAM Airlines

Wed, Nov 11 - Sun, Nov 15

1:30 pm - 11:57 pm

SEA

ASU

30h 27m

2 stops

1:47 am - 1:29 am

ASU

SEA

27h 42m

2 stops

$1,224Copa Airlines

Wed, Jul 15 - Tue, Jul 21

11:59 pm - 11:57 pm

SEA

ASU

43h 58m

2 stops

6:33 am - 2:24 pm

ASU

SEA

35h 51m

3 stops

$1,248United Airlines

Fri, Aug 21 - Fri, Aug 28

6:00 am - 5:25 am

SEA

ASU

19h 25m

2 stops

3:59 am - 1:29 am

ASU

SEA

25h 30m

2 stops

$1,249Copa Airlines

Sat, Jul 18 - Thu, Jul 23

7:05 pm - 5:25 am

SEA

ASU

30h 20m

2 stops

6:33 am - 10:00 pm

ASU

SEA

19h 27m

2 stops

$1,261Copa Airlines

Fri, Jul 10 - Mon, Jul 20

9:00 am - 11:57 pm

SEA

ASU

58h 57m

3 stops

6:33 am - 8:43 pm

ASU

SEA

42h 10m

3 stops

$1,272United Airlines

Fri, Aug 21 - Fri, Aug 28

5:30 pm - 5:40 pm

SEA

ASU

44h 10m

2 stops

8:10 am - 2:50 pm

ASU

SEA

34h 40m

2 stops

$1,281LATAM Airlines

Wed, Jul 15 - Wed, Jul 22

6:00 am - 5:25 am

SEA

ASU

19h 25m

2 stops

6:33 am - 9:59 pm

ASU

SEA

43h 26m

2 stops

$1,283Copa Airlines

Sat, Jul 18 - Sat, Jul 25

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Copa Airlines flights from Seattle to Asuncion

Our best Copa Airlines deals on Seattle to Asuncion flight tickets

Copa Airlines

Nov 8

SEA4:39 pmSeattle/Tacoma Intl

26h 18m

2 stops

ASU11:57 pmAsuncion Silvio Pettirossi

Nov 14

ASU6:31 amAsuncion Silvio Pettirossi

33h 43m

2 stops

SEA11:14 amSeattle/Tacoma Intl

$1,197

Copa Airlines

Jul 15

SEA1:30 pmSeattle/Tacoma Intl

30h 27m

2 stops

ASU11:57 pmAsuncion Silvio Pettirossi

Jul 21

ASU1:47 amAsuncion Silvio Pettirossi

27h 42m

2 stops

SEA1:29 amSeattle/Tacoma Intl

$1,224

Copa Airlines

Jun 30

SEA3:33 pmSeattle/Tacoma Intl

28h 24m

2 stops

ASU11:57 pmAsuncion Silvio Pettirossi

Jul 6

ASU6:33 amAsuncion Silvio Pettirossi

19h 27m

2 stops

SEA10:00 pmSeattle/Tacoma Intl

$1,234

LATAM Airlines flights from Seattle to Asuncion

Our best LATAM Airlines deals on Seattle to Asuncion flight tickets

LATAM Airlines

Nov 11

SEA8:25 amSeattle/Tacoma Intl

20h 50m

2 stops

ASU10:15 amAsuncion Silvio Pettirossi

Nov 15

ASU8:10 amAsuncion Silvio Pettirossi

31h 25m

2 stops

SEA10:35 amSeattle/Tacoma Intl

$1,221

LATAM Airlines

Jul 15

SEA5:30 pmSeattle/Tacoma Intl

44h 10m

2 stops

ASU5:40 pmAsuncion Silvio Pettirossi

Jul 22

ASU8:10 amAsuncion Silvio Pettirossi

34h 40m

2 stops

SEA2:50 pmSeattle/Tacoma Intl

$1,281

LATAM Airlines

Nov 11

SEA8:25 amSeattle/Tacoma Intl

21h 10m

2 stops

ASU10:35 amAsuncion Silvio Pettirossi

Nov 15

ASU8:00 amAsuncion Silvio Pettirossi

21h 18m

2 stops

SEA12:18 amSeattle/Tacoma Intl

$1,352

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sun 11/8

4:39 pm-11:57 pm

2 stops26h 18m

Asuncion Silvio Pettirossi

Sat 11/14

6:31 am-11:14 am

2 stops33h 43m

$1,197

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Fri 8/21

6:49 am-6:05 am

2 stops19h 16m

Asuncion Silvio Pettirossi

Fri 8/28

11:25 am-2:50 pm

2 stops31h 25m

$1,205

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 11/11

8:25 am-10:15 am

2 stops20h 50m

Asuncion Silvio Pettirossi

Sun 11/15

8:10 am-10:35 am

2 stops31h 25m

$1,221

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 7/15

1:30 pm-11:57 pm

2 stops30h 27m

Asuncion Silvio Pettirossi

Tue 7/21

1:47 am-1:29 am

2 stops27h 42m

$1,224

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Fri 8/21

11:59 pm-11:57 pm

2 stops43h 58m

Asuncion Silvio Pettirossi

Fri 8/28

6:33 am-2:24 pm

3 stops35h 51m

$1,248

Quickest round-trip

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sat 7/18

6:00 am-5:25 am

2 stops19h 25m

Asuncion Silvio Pettirossi

Thu 7/23

3:59 am-1:29 am

2 stops25h 30m

$1,249

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Fri 7/10

7:05 pm-5:25 am

2 stops30h 20m

Asuncion Silvio Pettirossi

Mon 7/20

6:33 am-10:00 pm

2 stops19h 27m

$1,261

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Fri 8/21

9:00 am-11:57 pm

3 stops58h 57m

Asuncion Silvio Pettirossi

Fri 8/28

6:33 am-8:43 pm

3 stops42h 10m

$1,272

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 7/15

5:30 pm-5:40 pm

2 stops44h 10m

Asuncion Silvio Pettirossi

Wed 7/22

8:10 am-2:50 pm

2 stops34h 40m

$1,281

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sat 7/18

6:00 am-5:25 am

2 stops19h 25m

Asuncion Silvio Pettirossi

Sat 7/25

6:33 am-9:59 pm

2 stops43h 26m

$1,283

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

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	19h 25m
Direct flights	None

The fastest flight from Seattle to Asuncion takes 19h 25m

There are no direct flights from Seattle to Asuncion. There are no popular flight routes from Seattle to Asuncion.

Search flight deals

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. 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?
As of June 2026, there is 1 operator available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Seattle to Asuncion is LATAM Airlines, representing 100% of all bookings.

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 Airlines	PriceFrom $729	Free Cancellation	Rating 7.4 1,940 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.

An easier way to manage your Asuncion trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 7/21

Tue 7/28

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Paraguay

Nearby airports

Airlines

Cabin classes

Other Paraguay destinations

Other flights from Seattle

Complete your trip

Feeling lucky

Airports servicing Paraguay

Ciudad del Este Guarani Intl Airport

Cheap flights from Seattle to Asuncion from $507

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 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Seattle to Asuncion

Cheap round-trip flights

Cheap one-way flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Copa Airlines flights from Seattle to Asuncion

Our best Copa Airlines deals on Seattle to Asuncion flight tickets

LATAM Airlines flights from Seattle to Asuncion

Our best LATAM Airlines deals on Seattle to Asuncion flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Seattle to Asuncion that are best for you.

When to book flights from Seattle to Asuncion

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

Direct flights

Frequently asked questions about flying 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

Frequently asked questions about flying from Seattle to Asuncion

Why use momondo?

An easier way to manage your Asuncion trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Paraguay

Airports servicing Paraguay

Fly your favorite airline to Asuncion

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Asuncion

List of cabin classes available on flights landing in Asuncion. Availability may vary depending on flight origin and airline.

Popular cities in Paraguay

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Seattle

According to popular flight searches on momondo this year

Complete your trip to Asuncion

Explore popular destinations other users love

According to popular flight searches on momondo this year