SEA - ASU

$953 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 6/18. 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
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$953
Multiple Airlines
Thu 6/18Thu 6/25
SEA - ASU • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Seattle and Asuncion. You'll need at least 2 connections.
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 100% price drop
April
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
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

Thu, Jun 18 - Thu, Jun 25
Multiple Airlines Logo
9:30 am - 6:05 am
SEA
-
ASU
40h 35m
2 stops
Multiple Airlines Logo
8:10 am - 7:55 pm
ASU
-
SEA
39h 45m
2 stops
$953Multiple Airlines
Wed, Oct 14 - Sun, Oct 18
United Airlines Logo
11:59 pm - 5:31 am
SEA
-
ASU
25h 32m
2 stops
United Airlines Logo
6:33 am - 9:55 pm
ASU
-
SEA
43h 22m
2 stops
$1,354United Airlines
Wed, Oct 14 - Sun, Oct 18
United Airlines Logo
5:00 pm - 12:03 am
SEA
-
ASU
27h 03m
2 stops
United Airlines Logo
6:33 am - 2:24 pm
ASU
-
SEA
59h 51m
3 stops
$1,380United Airlines
Thu, Jun 18 - Thu, Jun 25
Multiple Airlines Logo
11:00 pm - 6:05 am
SEA
-
ASU
27h 05m
3 stops
Multiple Airlines Logo
2:50 pm - 7:55 pm
ASU
-
SEA
33h 05m
3 stops
$2,023Multiple Airlines
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.

How much is a round-trip flight from Seattle to Asuncion?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Seattle to Asuncion departing in June.

What is the cheapest month to fly from Seattle to Asuncion?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Asuncion, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Asuncion is January, where tickets cost $0 (return) on average. On the other hand, the most expensive months are May and February, where the average cost of round-trip tickets is $1,584 and $1,305 respectively.

Find deals

Good to know

Low seasonSeptember
Cheapest flight$953
Best time to beat the crowds with an average 28% drop in price.
Most popular time to fly and prices are also 9% 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 $953 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.
7.4
LATAM AirlinesOverall score based on 1917 reviews
7.3Comfort
7.5Boarding
8.0Crew
7.0Entertainment
6.7Food
Airline reviews

Honestly first time flying with delta and it was pretty good. All the process very smooth and crew was always nice and attentive.

10.0 ExcellentYelen, Mar 2026
ATL - TPA
Read more LATAM Airlines reviews

Honestly first time flying with delta and it was pretty good. All the process very smooth and crew was always nice and attentive.

Nothing I like, I missed this connection b/c of an earlier flight delay. I had to stay one more night and I paid out my own pocket. LATAM failed to send me to a safe and decent hotel.

Deleted flight made me loose my connection flight now stuck in Atlanta for a day

Good check in process Poor information on payments at Lima airport

Apart of Sky miles delta. And they go everywhere in Brazil

We were not allowed to carry a bottle of water onto the 8 hour flight.

Comfort in exit seat was excellent. FLight crew and flight were excellent. However exit seat tray table was broken so could not use it. Entertainment monitor did not work at all despite attempts to reset it.

We traveled with two young children, and it was not possible for our family to be seated together. No one offered help or assistance to organize seating so we could sit with our kids. In the end, we managed to find two seats in Economy so I could at least sit with one of them, even though I had originally paid for Comfort+. In summary, I had to downgrade my seat just to be able to sit with one of my children, which was very disappointing

I booked a flight through Kayak to Brazil I have traveled to Brazil several times before Kayak Delta or LATAM never mentioned during the booking or in the pre flight process that the visa requirements to visit Brazil have changed earlier this year. I was unaware of this change and as such never got a visa and was unable to fly from JFK to Sao Paulo Add to this that Delta allowed me to fly from Boston to JFK which they should not have as I didn’t have a visa. It has been a terrible experience and a huge loss of money

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.

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

Information on your arrival and departure airports

Seattle (SEA)
Asuncion (ASU)