$712 Cheap Flights from Seattle (SEA) to Asuncion (ASU)
Popular airlines from Seattle-Tacoma International Airport (SEA) to Asuncion (ASU-Silvio Pettirossi Intl.)
LATAM Airlines GroupLATAM Airlines Group
UnitedUnited
CopaCopa
AviancaAvianca
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Cheap Flights from Seattle to Asunción (SEA-ASU)
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Seattle (SEA) to Asuncion (ASU) at a glance
Embark on an international journey from Seattle (SEA) to Asuncion (ASU) with a range of airlines offering diverse options. Compare services from full-service carriers to find the perfect flight that aligns with your budget, schedule, and travel plans while you discover Asuncion's renowned attractions and vibrant neighborhoods. Here, you’ll find essential details for flights from Seattle-Tacoma International Airport (SEA) to Silvio Pettirossi International Airport (ASU).
- Fastest flight duration: around 16h 15m in-flight, plus roughly 5h 15m total layover with two or more stops
- Route distance: roughly 6,400 miles (10,300 km)
- Flights per week: around 8 departures on average
- Typical fares (one-way): economy tickets often range from $390–$1045, depending on seasonality and how far ahead you book
Flights from Seattle - Tacoma International Airport (SEA) to Silvio Pettirossi International Airport (ASU)
According to recent traveler bookings, here are the top airlines favored for flights from Seattle to Asuncion, particularly for those seeking multi-stop options. Common layover locations include Tocumen International Airport (PTY) with a layover of approximately 1 hour and 45 minutes, Guarulhos - Governor André Franco Montoro International Airport (GRU) at about 2 hours and 15 minutes, and George Bush Intercontinental Airport (IAH) with a 1 hour and 15 minutes layover. This variety allows you to customize your journey based on price, total travel time, and cabin class to secure the ideal itinerary.
- United: As a comprehensive service airline, United provides multi-stop options, with one-way prices generally falling between $395 and $1040. This carrier is responsible for about 32% of flights along this route, featuring an in-flight duration of 16 hours and 15 minutes, and an overall travel time of approximately 21 hours, including layovers.
- Copa: Copa operates as a full-service airline with multi-stop itineraries, offering one-way fares that typically range from $535 to $2475. This airline also accounts for around 32% of departures on this route, with a flight time of 16 hours and 15 minutes and a total travel duration of about 21 hours, factoring in layover times.
- LATAM Airlines Group: Offering multi-stop service, LATAM Airlines Group is a full-service carrier with one-way fares usually between $530 and $915. Representing about 24% of the departures on this route, passengers can expect an in-flight time of 16 hours and 15 minutes, with the entire journey taking roughly 21 hours, including layovers.
How to find the best prices for flights from Seattle (SEA) to Asuncion (ASU)
Getting some of the best deals on flights from Seattle to Asuncion is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually available when booking 2 to 8 weeks in advance, which coincides with when most travelers make their reservations. Evening departures (6 PM to 12 AM) often provide lower prices, although morning flights (5 AM to 12 PM) are more popular. Additionally, flying on Sunday tends to be cheaper, while Saturday remains the busiest travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
- 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.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- 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 Silvio Pettirossi International Airport from Seattle - Tacoma International Airport
Asuncion welcomes travelers from Seattle with a range of transport options based on price, convenience, and proximity. For departures, Seattle - Tacoma International Airport is roughly a 20-minute drive (covering about 14 miles) from central Seattle. Asuncion city center is approximately a 20-minute drive (covering about 12 miles) from Silvio Pettirossi International Airport, depending on traffic. Here's how to reach Asuncion efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Asuncion, with private rides that can be arranged in advance.
- Car rental: Renting a car from Silvio Pettirossi International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Silvio Pettirossi 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 Silvio Pettirossi International Airport, the Asunción Bus Terminal, a bus station, is located about 7.8 miles away.
Seattle to Asuncion Flights
The cheapest times to fly from Seattle to Asuncion
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 Seattle to Asuncion are during the month of November. You can find some of the cheapest flights from Seattle to Asuncion with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Seattle to Asuncion
Sunday is one of the best days to book for cheap flights from Seattle to Asuncion: 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 Seattle to Asuncion
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 Seattle to Asuncion in 2026. You can also book with separate airlines for your outbound and return journeys, from $712 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 Seattle to Asuncion 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 Seattle to Asuncion 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi Intl.) cost?
You can find cheap one-way flights from $712 and cheap return flights $1,332 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi Intl.) with Expedia. One-way flights typically cost between $808 and $3616, and return flights often range between $1158 and $7086. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi Intl.)?
The cheapest month to fly from SEA to ASU is November 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi Intl.)?
Enter SEA to ASU and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi Intl.)?
Copa is one of the cheapest airlines offering connecting flights from Seattle, WA (SEA) to Asuncion (ASU), with round-trip tickets starting from around $1018 with a layover in San Francisco Intl. (SFO). 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi Intl.)?
The earliest flight from Seattle - Tacoma International (SEA) to Silvio Pettirossi International (ASU) usually departs at around 12:55 AM, operated by Alaska Airlines and Avianca. This is a seasonal service active in July, giving you a head start on your travels to Asuncion. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi Intl.)?
When flying from Seattle (SEA) to Asuncion (ASU), the most popular departure times are in the early morning, from 6am to 9am. This time window accounts for about 39% of total traffic. Many major carriers, including United Airlines, Copa Airlines and Delta, provide flights during this period. Travelers often prefer this timing as it allows for a smooth transition into the day upon arrival.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi Intl.)?
Flying from SEA to ASU with a connection usually takes about 24 hours 30 minutes, 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi Intl.)?
Select the "Business class" and "First class" filters when looking for SEA to ASU flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi 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 Asuncion from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Asuncion from Seattle - Tacoma Intl. (SEA), you can fly typically into Silvio Pettirossi Intl. (ASU) Some flights may connect through major hubs like George Bush Intercontinental (IAH), Los Angeles Intl. (LAX), San Francisco Intl. (SFO) before reaching Asuncion. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi Intl.) Asuncion 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Asuncion (ASU-Silvio Pettirossi 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 | Seattle-Tacoma International Airport |
|---|---|
Destination airport | Asuncion |
Distance | 6,430 miles away |
Airlines serving | LATAM Airlines Group, United, Copa, Avianca |
Popular airline | LATAM Airlines Group |
Roundtrip price | $1,332 |