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Cheap flights from Washington to Asuncion from $609

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Asuncion departing on 9/28. 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 Washington 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
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
$1,221LATAM Airlines
Thu, Jun 4 - Mon, Jun 8
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
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
Copa Airlines Logo
3:33 pm - 11:57 pm
SEA
-
ASU
28h 24m
2 stops
Copa Airlines Logo
3:59 am - 9:59 pm
ASU
-
SEA
22h 00m
2 stops
$1,418Copa Airlines
Wed, Jul 1 - Thu, Jul 9
United Airlines Logo
10:50 pm - 5:31 am
PDX
-
ASU
26h 41m
2 stops
United Airlines Logo
6:33 am - 11:58 am
ASU
-
PDX
33h 25m
2 stops
$1,665United Airlines
Tue, Sep 1 - Sat, Sep 12
United Airlines Logo
11:17 pm - 5:31 am
PDX
-
ASU
26h 14m
2 stops
United Airlines Logo
6:33 am - 3:05 pm
ASU
-
PDX
60h 32m
3 stops
$1,750United Airlines
Tue, Sep 1 - Sat, Sep 12

Copa Airlines flights from State of Washington to Asuncion

Our best Copa Airlines deals on State of Washington to Asuncion flight tickets
Copa Airlines
Jul 21
SEA8:35 amSeattle/Tacoma Intl
35h 22m
2 stops
ASU11:57 pmAsuncion Silvio Pettirossi
Aug 31
ASU6:33 amAsuncion Silvio Pettirossi
19h 18m
2 stops
SEA9:51 pmSeattle/Tacoma Intl
$1,348
Copa Airlines
Jul 1
SEA3:33 pmSeattle/Tacoma Intl
28h 24m
2 stops
ASU11:57 pmAsuncion Silvio Pettirossi
Jul 9
ASU3:59 amAsuncion Silvio Pettirossi
22h 00m
2 stops
SEA9:59 pmSeattle/Tacoma Intl
$1,418
Copa Airlines
Jul 22
SEA5:04 pmSeattle/Tacoma Intl
26h 53m
2 stops
ASU11:57 pmAsuncion Silvio Pettirossi
Aug 30
ASU3:58 amAsuncion Silvio Pettirossi
21h 53m
2 stops
SEA9:51 pmSeattle/Tacoma Intl
$1,487

United Airlines flights from State of Washington to Asuncion

Our best United Airlines deals on State of Washington to Asuncion flight tickets
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
United Airlines
Aug 19
SEA9:00 amSeattle/Tacoma Intl
40h 25m
3 stops
ASU5:25 amAsuncion Silvio Pettirossi
Aug 30
ASU6:33 amAsuncion Silvio Pettirossi
59h 51m
3 stops
SEA2:24 pmSeattle/Tacoma Intl
$1,465
United Airlines
Jun 4
SEA11:00 pmSeattle/Tacoma Intl
26h 24m
2 stops
ASU5:24 amAsuncion Silvio Pettirossi
Jun 8
ASU6:33 amAsuncion Silvio Pettirossi
44h 59m
3 stops
SEA11:32 pmSeattle/Tacoma Intl
$1,640

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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 11, 2026.
Use the filters below to find and compare flights from Washington 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
Quickest round-trip

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

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

$1,221

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

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 7/1

3:33 pm-11:57 pm

2 stops28h 24m

Asuncion Silvio Pettirossi

Thu 7/9

3:59 am-9:59 pm

2 stops22h 00m

$1,418

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Tue 9/1

10:50 pm-5:31 am

2 stops26h 41m

Asuncion Silvio Pettirossi

Sat 9/12

6:33 am-11:58 am

2 stops33h 25m

$1,665

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Tue 9/1

11:17 pm-5:31 am

2 stops26h 14m

Asuncion Silvio Pettirossi

Sat 9/12

6:33 am-3:05 pm

3 stops60h 32m

$1,750

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 State of Washington 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 month to fly to Asuncion?

The cheapest month to fly to Asuncion from State of Washington is in August. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you don’t want to visit Asuncion in August, then you should wait until January to fly from State of Washington, when ticket prices are also cheap, with an average price of $0.

Cheap State of Washington to Asuncion flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Asuncion

Fastest flight time

18h 21m

Direct flights

None
The fastest flight from State of Washington to Asuncion takes 18h 21m
There are no direct flights from State of Washington to Asuncion. There are no popular flight routes from State of Washington to Asuncion.
Search flight deals

Frequently asked questions about flying from Washington to Asuncion

  • When did momondo last update prices for flights from Washington to Asuncion Silvio Pettirossi Airport?

    Prices for flights from Washington to Asuncion Silvio Pettirossi Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington to Asuncion Silvio Pettirossi Airport?

  • How old do you have to be to fly from Washington to Asuncion Silvio Pettirossi Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Asuncion Silvio Pettirossi Airport.

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

    The necessary travel and health documents for your Asuncion Silvio Pettirossi Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Asuncion

Compare and see reviews for airlines that fly from State of Washington to Asuncion with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $729Free CancellationRating
7.4
1,918 reviews
Search LATAM Airlines flights

Why use momondo?

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

It is quick and easy to find Washington to Asuncion flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Asuncion that suits you.

Can I find flights from Washington to Asuncion with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington to Asuncion flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Washington and Asuncion by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Washington to Asuncion flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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