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Cheap flights from Washington to Asuncion from $459

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 7/6. 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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Find the cheapest flights from Washington to Asuncion

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
6:00 am - 5:25 am
SEA
-
ASU
19h 25m
2 stops
Copa Airlines Logo
6:33 am - 11:26 pm
ASU
-
SEA
20h 53m
2 stops
$1,140Copa Airlines
Thu, Aug 6 - Thu, Aug 13
Copa Airlines Logo
1:16 pm - 11:57 pm
SEA
-
ASU
29h 41m
2 stops
Copa Airlines Logo
3:56 am - 11:14 am
ASU
-
SEA
36h 18m
2 stops
$1,197Copa Airlines
Wed, Nov 11 - Sat, Nov 14
Multiple Airlines Logo
10:03 am - 5:40 pm
SEA
-
ASU
27h 37m
2 stops
Multiple Airlines Logo
1:15 pm - 10:09 am
ASU
-
SEA
48h 54m
2 stops
$1,244Multiple Airlines
Sun, Aug 9 - Sun, Aug 16
Multiple Airlines Logo
8:25 am - 6:15 am
SEA
-
ASU
40h 50m
2 stops
Multiple Airlines Logo
5:10 am - 4:15 pm
ASU
-
SEA
40h 05m
2 stops
$1,250Multiple Airlines
Mon, Dec 14 - Fri, Jan 8
Multiple Airlines Logo
10:13 pm - 4:40 am
SEA
-
ASU
50h 27m
2 stops
Multiple Airlines Logo
11:25 am - 10:05 pm
ASU
-
SEA
62h 40m
3 stops
$1,350Multiple Airlines
Thu, Aug 6 - Thu, Aug 13
Multiple Airlines Logo
9:30 pm - 4:40 am
PDX
-
ASU
51h 10m
2 stops
Multiple Airlines Logo
8:25 am - 12:59 pm
ASU
-
PDX
32h 34m
2 stops
$1,351Multiple Airlines
Sun, Aug 30 - Fri, Sep 4
United Airlines Logo
11:49 pm - 5:25 am
SEA
-
ASU
25h 36m
2 stops
United Airlines Logo
6:33 am - 2:24 pm
ASU
-
SEA
35h 51m
3 stops
$1,389United Airlines
Mon, Jul 27 - Mon, Aug 24
LATAM Airlines Logo
8:25 am - 10:35 am
SEA
-
ASU
21h 10m
2 stops
LATAM Airlines Logo
2:45 am - 9:58 pm
ASU
-
SEA
24h 13m
2 stops
$1,444LATAM Airlines
Wed, Nov 11 - Sat, Nov 14
LATAM Airlines Logo
6:30 am - 6:15 am
GEG
-
ASU
19h 45m
2 stops
LATAM Airlines Logo
7:00 pm - 11:38 am
ASU
-
GEG
21h 38m
2 stops
$1,451LATAM Airlines
Sat, Oct 31 - Wed, Nov 4
United Airlines Logo
8:33 am - 5:25 am
SEA
-
ASU
39h 52m
3 stops
United Airlines Logo
6:31 am - 4:27 pm
ASU
-
SEA
62h 56m
3 stops
$1,509United Airlines
Wed, Nov 11 - Sun, Nov 15

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Copa Airlines flights from State of Washington to Asuncion

Our best Copa Airlines deals on State of Washington to Asuncion flight tickets
Copa Airlines
Aug 6
SEA6:00 amSeattle/Tacoma Intl
19h 25m
2 stops
ASU5:25 amAsuncion Silvio Pettirossi
Aug 13
ASU6:33 amAsuncion Silvio Pettirossi
20h 53m
2 stops
SEA11:26 pmSeattle/Tacoma Intl
$1,140
Copa Airlines
Nov 11
SEA1:16 pmSeattle/Tacoma Intl
29h 41m
2 stops
ASU11:57 pmAsuncion Silvio Pettirossi
Nov 14
ASU3:56 amAsuncion Silvio Pettirossi
36h 18m
2 stops
SEA11:14 amSeattle/Tacoma Intl
$1,197
Copa Airlines
Jul 27
SEA11:49 pmSeattle/Tacoma Intl
25h 36m
2 stops
ASU5:25 amAsuncion Silvio Pettirossi
Aug 24
ASU6:33 amAsuncion Silvio Pettirossi
36h 19m
2 stops
SEA2:52 pmSeattle/Tacoma Intl
$1,358

United Airlines flights from State of Washington to Asuncion

Our best United Airlines deals on State of Washington to Asuncion flight tickets
United Airlines
Jul 27
SEA11:49 pmSeattle/Tacoma Intl
25h 36m
2 stops
ASU5:25 amAsuncion Silvio Pettirossi
Aug 24
ASU6:33 amAsuncion Silvio Pettirossi
35h 51m
3 stops
SEA2:24 pmSeattle/Tacoma Intl
$1,389
United Airlines
Nov 11
SEA8:33 amSeattle/Tacoma Intl
39h 52m
3 stops
ASU5:25 amAsuncion Silvio Pettirossi
Nov 15
ASU6:31 amAsuncion Silvio Pettirossi
62h 56m
3 stops
SEA4:27 pmSeattle/Tacoma Intl
$1,509
United Airlines
Jul 3
SEA5:00 pmSeattle/Tacoma Intl
32h 25m
2 stops
ASU5:25 amAsuncion Silvio Pettirossi
Jul 12
ASU6:33 amAsuncion Silvio Pettirossi
35h 57m
3 stops
SEA2:30 pmSeattle/Tacoma Intl
$1,558

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 June 26, 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
Quickest round-trip

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Thu 8/6

6:00 am-5:25 am

2 stops19h 25m

Asuncion Silvio Pettirossi

Thu 8/13

6:33 am-11:26 pm

2 stops20h 53m

$1,140

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 11/11

1:16 pm-11:57 pm

2 stops29h 41m

Asuncion Silvio Pettirossi

Sat 11/14

3:56 am-11:14 am

2 stops36h 18m

$1,197

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sun 8/9

10:03 am-5:40 pm

2 stops27h 37m

Asuncion Silvio Pettirossi

Sun 8/16

1:15 pm-10:09 am

2 stops48h 54m

$1,244

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Mon 12/14

8:25 am-6:15 am

2 stops40h 50m

Asuncion Silvio Pettirossi

Fri 1/8

5:10 am-4:15 pm

2 stops40h 05m

$1,250

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Thu 8/6

10:13 pm-4:40 am

2 stops50h 27m

Asuncion Silvio Pettirossi

Thu 8/13

11:25 am-10:05 pm

3 stops62h 40m

$1,350

PortlandAsuncion

PDX - ASU

PDXASU

Portland

Sun 8/30

9:30 pm-4:40 am

2 stops51h 10m

Asuncion Silvio Pettirossi

Fri 9/4

8:25 am-12:59 pm

2 stops32h 34m

$1,351

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Mon 7/27

11:49 pm-5:25 am

2 stops25h 36m

Asuncion Silvio Pettirossi

Mon 8/24

6:33 am-2:24 pm

3 stops35h 51m

$1,389

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 11/11

8:25 am-10:35 am

2 stops21h 10m

Asuncion Silvio Pettirossi

Sat 11/14

2:45 am-9:58 pm

2 stops24h 13m

$1,444

SpokaneAsuncion

GEG - ASU

GEGASU

Spokane

Sat 10/31

6:30 am-6:15 am

2 stops19h 45m

Asuncion Silvio Pettirossi

Wed 11/4

7:00 pm-11:38 am

2 stops21h 38m

$1,451

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 11/11

8:33 am-5:25 am

3 stops39h 52m

Asuncion Silvio Pettirossi

Sun 11/15

6:31 am-4:27 pm

3 stops62h 56m

$1,509

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 19h 24m on average. If you fly from Spokane (another popular airport in State of Washington) to Asuncion, then the average flight time is 27h 54m.

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 22m

Direct flights

None
The fastest flight from State of Washington to Asuncion takes 18h 22m
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
1,942 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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