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$639 Cheap Flights from Asuncion (ASU) to Seattle (SEA)

Photo by Port of Seattle
Open Photo by Port of Seattle

Cheap Flights from Asunción to Seattle (ASU-SEA)

Prices were available within the past 7 days and start at $639 for one-way flights and $882 for roundtrip, for the period specified. Prices and availability are subject to change.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

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Asuncion (ASU) to Seattle (SEA) at a glance

Embark on your journey from Asuncion (ASU) to Seattle (SEA) with a selection of airlines catering to this international long-haul route. You can compare offerings from both full-service and budget carriers to discover the best itinerary that aligns with your budget, schedule, and travel plans while you take in Seattle's iconic sights and vibrant neighborhoods. Get essential information on flights from Silvio Pettirossi International Airport (ASU) to Seattle-Tacoma International Airport (SEA).

  • Fastest flight duration: around 15h 45m in-flight, plus roughly 4h 45m total layover with two or more stops
  • Route distance: roughly 6,400 miles (10,300 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $430–$1230, depending on seasonality and how far ahead you book

Flights from Silvio Pettirossi International Airport (ASU) to Seattle - Tacoma International Airport (SEA)

According to recent traveler bookings, the top airlines flying from Asuncion to Seattle are often selected for their multi-stop services. Common layover points include Los Angeles International Airport (LAX) with an approximate 2-hour and 45-minute layover, Jorge Chávez International Airport (LIM) with around a 1-hour and 45-minute layover, and Tocumen International Airport (PTY) with a roughly 2-hour layover. This variety allows travelers to adjust their itineraries based on price, total travel time, and cabin class preferences.

  • LATAM Airlines Group: This comprehensive airline provides multi-stop flights, capturing around 50% of departures on this route. One-way fares generally range from $520 to $1215, with an in-flight duration of 15 hours and 45 minutes, leading to a total travel time of approximately 21 hours, including layovers.
  • Copa: Known for its full-service options, Copa operates multi-stop flights and holds around 26% of departures for this route. One-way ticket prices typically vary from $645 to $1620, featuring an in-flight time of 15 hours and 45 minutes, with a total journey duration of nearly 21 hours when layovers are factored in.

How to find the best prices for flights from Asuncion (ASU) to Seattle (SEA)

Getting some of the best deals on flights from Asuncion to Seattle is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book 2-8 weeks ahead. Early morning flights (12 AM-5 AM) generally offer lower prices, while morning flights (5 AM-12 PM) are more popular. Additionally, flying on Fridays provides both cheaper prices and is the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Seattle - Tacoma International Airport from Silvio Pettirossi International Airport

Seattle welcomes travelers from Asuncion with a range of transport options based on price, convenience, and proximity. For departures, Silvio Pettirossi International Airport is roughly a 20-minute drive (covering about 12 miles) from central Asuncion. Seattle city center is approximately a 20-minute drive (covering about 14 miles) from Seattle - Tacoma International Airport, depending on traffic. Here's how to reach Seattle efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Seattle, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Seattle - Tacoma International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Seattle - Tacoma International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Seattle - Tacoma International Airport, SeaTac/Airport Station (a metro station) is conveniently located about 0.3 miles from the airport on foot, while Tukwila Station (a train station) is situated approximately 4.3 miles away by car, making it accessible for further travel.

Asuncion to Seattle Flights

The cheapest times to fly from Asuncion to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Asuncion to Seattle are during the month of December. You can find some of the cheapest flights from Asuncion to Seattle with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Asuncion to Seattle

Sunday is one of the best days to book for cheap flights from Asuncion to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Asuncion to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Asuncion to Seattle in 2026. You can also book with separate airlines for your outbound and return journeys, from $639 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Asuncion to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Asuncion to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently Asked Questions

How much does a flight from Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?

You can find cheap one-way flights from $639 and cheap return flights $882 Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) with Expedia. One-way flights usually range from $600 to $3223, and return flights typically cost between $1282 and $6854. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

What is the cheapest month to fly from Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

The cheapest month to fly from ASU to SEA is December when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.

Which airlines fly direct from Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Enter ASU to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

What is the cheapest airline that flies from Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Avianca is one of the cheapest airlines offering connecting flights from Asuncion (ASU) to Seattle, WA (SEA), with round-trip tickets starting from around $2465. This flight includes a layover in El Dorado Intl. (BOG). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

*Prices based on flights available on Expedia in the last year.

How do I find cheap flights from Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

To find a cheap flight from Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

What is the best time to fly from Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

What is the earliest flight from Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

The earliest flight from Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs at around 1:40 AM, with options from Copa and Alaska Airlines. This seasonal service is available in July and September, allowing you to maximize your time in Seattle. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

What are the most popular departure times for flights from Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

The most popular departure times for flights from Asuncion (ASU) to Seattle, WA (SEA) are in the early morning, from 6am to 9am. About 41% of passengers prefer this time window. Many major carriers, including LATAM Airlines and Delta Air Lines, offer flights during this window. This timing works well because it helps you arrive in Seattle with a full day ahead to explore.

How long does it take to fly from Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Flying from ASU to SEA with a connection usually takes about 23 hours, traveling roughly 6,431 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Can you fly business or first class from Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Business class seats are offered on the ASU to SEA route with Copa and Avianca.

How do I earn miles on a Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?

It's easy to earn miles on a Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

What airports do you fly into for Seattle from Silvio Pettirossi Intl. (ASU)?

From Silvio Pettirossi Intl. (ASU), you can fly typically into Seattle - Tacoma Intl. (SEA) to reach Seattle. Some flights may connect through major hubs like Guarulhos - Governor Andre Franco Montoro Intl. (GRU), Tocumen Intl. (PTY), Arturo Merino Benitez (SCL) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Is it cheaper to buy a plane ticket from Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?

Typically, booking a last minute flight from Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Is it cheaper to book a Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?

Securing a Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) Seattle Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Can I cancel or change the date of my flight from Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

If you booked your Asuncion (ASU-Silvio Pettirossi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Asuncion
Destination airport
Seattle-Tacoma International Airport
Distance
6,430 miles away
Airlines serving
LATAM Airlines Group, United, Copa, Avianca
Popular airline
LATAM Airlines Group
Roundtrip price
$882
*Available to One Key members.