SEA - ASU

$903 Find Cheap Flights from Seattle to Asuncion

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Asuncion departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Asuncion

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Asuncion, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Asuncion, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$903
Multiple Airlines
Tue 2/3Sat 2/14
SEA - ASU • 2 stops
Cheapest one-way
Multiple Airlines
Thu 10/30
SEA - ASU • multi-stop
Top airlines
United Airlines
Cheapest • from $1,247 (round-trip)
LATAM Airlines
Best reviews • 7.5 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
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We hope you love your trip to Asuncion!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Asuncion (SEA-ASU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Asuncion that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Asuncion

Tue, Feb 3 - Sat, Feb 14
Multiple Airlines Logo
7:55 am - 6:15 amSEA-ASU
41h 20m2 stops
Multiple Airlines Logo
8:25 am - 1:00 pmASU-SEA
33h 35m2 stops
$903Multiple Airlines
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Tue, Feb 3 - Sat, Feb 14
United Airlines Logo
8:10 am - 12:15 amSEA-ASU
59h 05m3 stops
United Airlines Logo
6:42 am - 11:10 amASU-SEA
33h 28m2 stops
$1,247United Airlines
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Sat, Dec 13 - Sat, Dec 20
Multiple Airlines Logo
11:30 am - 6:15 amSEA-ASU
37h 45m2 stops
Multiple Airlines Logo
8:25 am - 9:00 pmASU-SEA
41h 35m2 stops
$1,505Multiple Airlines
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Tue, Feb 3 - Fri, Feb 13
Copa Airlines Logo
12:24 pm - 5:32 amSEA-ASU
36h 08m2 stops
Copa Airlines Logo
1:59 am - 7:33 pmASU-SEA
22h 34m2 stops
$1,518Copa Airlines
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Tue, Feb 3 - Sat, Feb 14
Multiple Airlines Logo
3:10 pm - 6:15 amSEA-ASU
34h 05m3 stops
Multiple Airlines Logo
12:20 pm - 7:16 pmASU-SEA
35h 56m3 stops
$1,545Multiple Airlines
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Tue, Feb 3 - Fri, Feb 13
Multiple Airlines Logo
8:10 am - 11:30 amSEA-ASU
46h 20m2 stops
Multiple Airlines Logo
3:35 am - 10:16 pmASU-SEA
47h 41m3 stops
$1,746Multiple Airlines
Find Deal
Sat, Dec 13 - Fri, Dec 19
Copa Airlines Logo
12:36 pm - 12:11 amSEA-ASU
30h 35m2 stops
Copa Airlines Logo
1:45 am - 11:57 pmASU-SEA
27h 12m2 stops
$1,959Copa Airlines
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Sat, Dec 13 - Sat, Dec 20
Multiple Airlines Logo
3:40 pm - 6:15 amSEA-ASU
33h 35m3 stops
Multiple Airlines Logo
12:25 pm - 7:16 pmASU-SEA
35h 51m3 stops
$1,996Multiple Airlines
Find Deal
Sat, Dec 13 - Sat, Dec 20
Multiple Airlines Logo
3:40 pm - 6:15 amSEA-ASU
33h 35m3 stops
Multiple Airlines Logo
2:15 pm - 6:20 pmASU-SEA
33h 05m2 stops
$3,356Multiple Airlines
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Sun, Nov 30 - Thu, Dec 11
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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Booking Insights

KAYAK's insights & trends for Seattle to Asuncion flights

Get data-powered insights and trends into flights from Seattle to Asuncion to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Seattle to Asuncion?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Seattle to Asuncion were found on United Airlines ($1,247) and Copa Airlines ($1,518).

Which airlines fly non-stop between Seattle and Asuncion?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for round-trip flights from Seattle to Asuncion.

There is just one airline that flies from Seattle to Asuncion direct and that is LATAM Airlines. The best round-trip deal found from LATAM Airlines for the route is $751.

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Good to know

Low seasonSeptember
Cheapest flight$903
Best time to beat the crowds with an average 40% drop in price.
Most popular time to fly and prices are also 23% lower on average.
Flight from Seattle to Asuncion

When to book flights from Seattle to Asuncion

Are your dates flexible? Find out the best times to travel from Seattle to Asuncion based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Asuncion

  • What is the cheapest flight from Seattle to Asuncion?

    In the last 3 days, the lowest price for a flight from Seattle to Asuncion was $903 for a round-trip ticket.

  • Do I need a passport to fly between Seattle and Asuncion?

    A passport is required to fly from Seattle to Asuncion.

  • Which airports will I be using when flying from Seattle to Asuncion?

    Seattle airport is called Seattle/Tacoma Intl and the only airport in Asuncion is Asuncion Silvio Pettirossi.

  • Which aircraft models fly most regularly from Seattle to Asuncion?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Seattle to Asuncion?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Asuncion.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Asuncion?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Asuncion from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Asuncion?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Asuncion with an airline and back to Seattle with another airline. Booking your flights between Seattle and ASU can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Asuncion?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Asuncion from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Seattle to Asuncion

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Asuncion. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Asuncion? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.5
LATAM AirlinesOverall score based on 1873 reviews
7.3Comfort
7.0Entertainment
8.0Crew
7.5Boarding
6.7Food
Airline reviews

Latam may be the worst airline in the world, far worse than even the lowest of low cost airlines in the USA. I wasted hours trying to PAY THEM TO CHECK A BAG! Then they misled me at the terminal, sent me through the wrong security line, the list goes on and on... Just absolutely terrible in every way. Avoid at all costs.

2.0 MediocreBenjamin, Oct 2025MIA - LIM
Read more LATAM Airlines reviews

Latam may be the worst airline in the world, far worse than even the lowest of low cost airlines in the USA. I wasted hours trying to PAY THEM TO CHECK A BAG! Then they misled me at the terminal, sent me through the wrong security line, the list goes on and on... Just absolutely terrible in every way. Avoid at all costs.

The way the Pilot made all announcements, specially the way he congratulated the entire crew as the best team ever, making a comment that due to them they were able to shorter the delay to the destination. Amazing flight .

we were missing our luggage, trying to find someone to have any empathy was pretty much not happening....

The plane broke down at the Lima stopover and they offered to put me on a flight the be t day but I had to be back in LA that morning and so I had to buy another ticket from Avianca and United for $2k I asked LATAM for compensation and received none. Very bad experience

The flight was late. Please do not delay next time.

I couldn't travel, now I can't get a refund and to change the date I have to pay an absurd fine.

Boarding was confusing with a delayed flight because there was no English translation

My biggest complaint is the comfort. I am not tall and there was no legroom. It was very uncomfortable. During my transfer in Sao Paola, the flight was slightly delayed so boarding was confusing because there were no instructions in English.

I never got this flight. You sent me to Chile!!! And from Chile I got the other flight to São Paulo... I've arrived 7h latter than I was supposed to arrive because of Delta delays.

Because the flight was late, we lost the connection to Brazil. You, Delta delayed, and you Delta anticipated the door closing in 15 min from Miami to GRU. Why? It caused a lot of stress! I almost could not see my mother in law alive because of your delay.

Everything you need to know for your flight from Seattle to Asuncion

Information on your arrival and departure airports

Seattle (SEA)
Asuncion (ASU)

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