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Cheap flights from Washington to Asuncion from $511

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 6/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
10:15 am - 5:40 pm
SEA
-
ASU
27h 25m
2 stops
LATAM Airlines Logo
11:05 am - 3:05 pm
ASU
-
SEA
32h 00m
2 stops
$1,021LATAM Airlines
Wed, May 6 - Wed, May 13
Copa Airlines Logo
5:22 pm - 12:03 am
SEA
-
ASU
26h 41m
2 stops
Copa Airlines Logo
6:33 am - 9:56 pm
ASU
-
SEA
19h 23m
2 stops
$1,024Copa Airlines
Mon, Aug 31 - Thu, Sep 10
LATAM Airlines Logo
6:00 am - 6:05 am
SEA
-
ASU
20h 05m
2 stops
LATAM Airlines Logo
8:10 am - 11:55 pm
ASU
-
SEA
19h 45m
2 stops
$1,063LATAM Airlines
Mon, May 4 - Tue, May 19
LATAM Airlines Logo
7:20 am - 6:05 am
SEA
-
ASU
18h 45m
2 stops
LATAM Airlines Logo
11:10 am - 9:59 pm
ASU
-
SEA
38h 49m
2 stops
$1,227LATAM Airlines
Fri, Sep 11 - Tue, Sep 15
United Airlines Logo
11:59 pm - 12:08 am
SEA
-
ASU
44h 09m
2 stops
United Airlines Logo
6:33 am - 2:36 pm
ASU
-
SEA
36h 03m
3 stops
$1,285United Airlines
Wed, May 6 - Wed, May 13
United Airlines Logo
5:00 pm - 5:31 am
SEA
-
ASU
32h 31m
2 stops
United Airlines Logo
6:33 am - 7:07 pm
ASU
-
SEA
40h 34m
2 stops
$1,308United Airlines
Fri, Sep 11 - Tue, Sep 15
United Airlines Logo
5:00 pm - 5:31 am
SEA
-
ASU
32h 31m
2 stops
United Airlines Logo
6:33 am - 2:22 pm
ASU
-
SEA
59h 49m
3 stops
$1,333United Airlines
Fri, Sep 11 - Tue, Sep 15
Multiple Airlines Logo
11:00 pm - 4:40 am
SEA
-
ASU
25h 40m
3 stops
Multiple Airlines Logo
2:50 am - 9:08 pm
ASU
-
SEA
46h 18m
3 stops
$1,339Multiple Airlines
Mon, May 4 - Mon, May 18
Multiple Airlines Logo
10:00 am - 5:40 pm
PDX
-
ASU
27h 40m
2 stops
Multiple Airlines Logo
8:10 am - 10:37 am
ASU
-
PDX
30h 27m
2 stops
$1,381Multiple Airlines
Tue, Aug 18 - Tue, Sep 15
LATAM Airlines Logo
10:58 pm - 5:40 pm
SEA
-
ASU
62h 42m
3 stops
LATAM Airlines Logo
11:10 am - 9:50 pm
ASU
-
SEA
38h 40m
2 stops
$1,389LATAM Airlines
Mon, May 4 - Tue, May 19

LATAM Airlines flights from State of Washington to Asuncion

Our best LATAM Airlines deals on State of Washington to Asuncion flight tickets
LATAM Airlines
May 6
SEA10:15 amSeattle/Tacoma Intl
27h 25m
2 stops
ASU5:40 pmAsuncion Silvio Pettirossi
May 13
ASU11:05 amAsuncion Silvio Pettirossi
32h 00m
2 stops
SEA3:05 pmSeattle/Tacoma Intl
$1,021
LATAM Airlines
May 4
SEA6:00 amSeattle/Tacoma Intl
20h 05m
2 stops
ASU6:05 amAsuncion Silvio Pettirossi
May 19
ASU8:10 amAsuncion Silvio Pettirossi
19h 45m
2 stops
SEA11:55 pmSeattle/Tacoma Intl
$1,063
LATAM Airlines
Sep 11
SEA7:20 amSeattle/Tacoma Intl
18h 45m
2 stops
ASU6:05 amAsuncion Silvio Pettirossi
Sep 15
ASU11:10 amAsuncion Silvio Pettirossi
38h 49m
2 stops
SEA9:59 pmSeattle/Tacoma Intl
$1,227

United Airlines flights from State of Washington to Asuncion

Our best United Airlines deals on State of Washington to Asuncion flight tickets
United Airlines
May 6
SEA11:59 pmSeattle/Tacoma Intl
44h 09m
2 stops
ASU12:08 amAsuncion Silvio Pettirossi
May 13
ASU6:33 amAsuncion Silvio Pettirossi
36h 03m
3 stops
SEA2:36 pmSeattle/Tacoma Intl
$1,285
United Airlines
Sep 11
SEA5:00 pmSeattle/Tacoma Intl
32h 31m
2 stops
ASU5:31 amAsuncion Silvio Pettirossi
Sep 15
ASU6:33 amAsuncion Silvio Pettirossi
40h 34m
2 stops
SEA7:07 pmSeattle/Tacoma Intl
$1,308
United Airlines
Sep 11
SEA5:00 pmSeattle/Tacoma Intl
32h 31m
2 stops
ASU5:31 amAsuncion Silvio Pettirossi
Sep 15
ASU6:33 amAsuncion Silvio Pettirossi
59h 49m
3 stops
SEA2:22 pmSeattle/Tacoma Intl
$1,333

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 March 24, 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

Wed 5/6

10:15 am-5:40 pm

2 stops27h 25m

Asuncion Silvio Pettirossi

Wed 5/13

11:05 am-3:05 pm

2 stops32h 00m

$1,021

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Mon 8/31

5:22 pm-12:03 am

2 stops26h 41m

Asuncion Silvio Pettirossi

Thu 9/10

6:33 am-9:56 pm

2 stops19h 23m

$1,024
Quickest round-trip

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Mon 5/4

6:00 am-6:05 am

2 stops20h 05m

Asuncion Silvio Pettirossi

Tue 5/19

8:10 am-11:55 pm

2 stops19h 45m

$1,063

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Fri 9/11

7:20 am-6:05 am

2 stops18h 45m

Asuncion Silvio Pettirossi

Tue 9/15

11:10 am-9:59 pm

2 stops38h 49m

$1,227

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 5/6

11:59 pm-12:08 am

2 stops44h 09m

Asuncion Silvio Pettirossi

Wed 5/13

6:33 am-2:36 pm

3 stops36h 03m

$1,285

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Fri 9/11

5:00 pm-5:31 am

2 stops32h 31m

Asuncion Silvio Pettirossi

Tue 9/15

6:33 am-7:07 pm

2 stops40h 34m

$1,308

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Fri 9/11

5:00 pm-5:31 am

2 stops32h 31m

Asuncion Silvio Pettirossi

Tue 9/15

6:33 am-2:22 pm

3 stops59h 49m

$1,333

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Mon 5/4

11:00 pm-4:40 am

3 stops25h 40m

Asuncion Silvio Pettirossi

Mon 5/18

2:50 am-9:08 pm

3 stops46h 18m

$1,339

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Tue 8/18

10:00 am-5:40 pm

2 stops27h 40m

Asuncion Silvio Pettirossi

Tue 9/15

8:10 am-10:37 am

2 stops30h 27m

$1,381

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Mon 5/4

10:58 pm-5:40 pm

3 stops62h 42m

Asuncion Silvio Pettirossi

Tue 5/19

11:10 am-9:50 pm

2 stops38h 40m

$1,389

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

How long does it take to fly to Asuncion?

The flight from State of Washington to Asuncion depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Seattle (a popular airport in State of Washington) to Asuncion (the most popular airport in Asuncion), then the flight time is 28h 10m on average. If you fly from Spokane (another popular airport in State of Washington) to Asuncion, then the average flight time is 39h 03m.

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

19h 05m

Direct flights

None
The fastest flight from State of Washington to Asuncion takes 19h 05m
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

  • 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
1,911 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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