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CA $686 Cheap Flights from Seattle (SEA) to Buenos Aires (EZE)

View CA $686 flight on Tue, Nov 10, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Ministro Pistarini Intl. Airport (EZE)

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Cheap flights from Seattle (SEA) to Buenos Aires (EZE)

Prices were available within the past 7 days and start at CA $686 for one-way flights and CA $1,625 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Nov 10 - Mon, Nov 30
SEA
Seattle
EZE
Buenos Aires
CA $1,625 Roundtrip, found 1 day ago
CA $1,625
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Nov 10 from Seattle to Buenos Aires, returning Mon, Nov 30, priced at CA $1,625 found 1 day ago
American Airlines
Tue, Oct 27 - Tue, Nov 17
SEA
Seattle
EZE
Buenos Aires
CA $1,640 Roundtrip, found 2 days ago
CA $1,640
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Oct 27 from Seattle to Buenos Aires, returning Tue, Nov 17, priced at CA $1,640 found 2 days ago
American Airlines
Wed, Nov 11 - Wed, Nov 25
SEA
Seattle
EZE
Buenos Aires
CA $1,642 Roundtrip, found 4 days ago
CA $1,642
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Nov 11 from Seattle to Buenos Aires, returning Wed, Nov 25, priced at CA $1,642 found 4 days ago
American Airlines
Tue, Nov 10 - Mon, Nov 30
SEA
Seattle
EZE
Buenos Aires
CA $1,647 Roundtrip, found 1 day ago
CA $1,647
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Nov 10 from Seattle to Buenos Aires, returning Mon, Nov 30, priced at CA $1,647 found 1 day ago
Aeromexico
Wed, Sep 9 - Mon, Sep 14
SEA
Seattle
EZE
Buenos Aires
CA $1,647 Roundtrip, found 18 hours ago
CA $1,647
Roundtrip
found 18 hours ago
Select Aeromexico flight, departing Wed, Sep 9 from Seattle to Buenos Aires, returning Mon, Sep 14, priced at CA $1,647 found 18 hours ago
Aeromexico
Tue, Sep 1 - Mon, Sep 21
SEA
Seattle
EZE
Buenos Aires
CA $1,648 Roundtrip, found 5 days ago
CA $1,648
Roundtrip
found 5 days ago
Select Aeromexico flight, departing Tue, Sep 1 from Seattle to Buenos Aires, returning Mon, Sep 21, priced at CA $1,648 found 5 days ago
Aeromexico
Sun, Nov 15 - Wed, Nov 18
SEA
Seattle
EZE
Buenos Aires
CA $1,650 Roundtrip, found 4 days ago
CA $1,650
Roundtrip
found 4 days ago
Select Aeromexico flight, departing Sun, Nov 15 from Seattle to Buenos Aires, returning Wed, Nov 18, priced at CA $1,650 found 4 days ago
Alaska Airlines
Wed, Sep 9 - Mon, Sep 14
SEA
Seattle
EZE
Buenos Aires
CA $1,731 Roundtrip, found 18 hours ago
CA $1,731
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Wed, Sep 9 from Seattle to Buenos Aires, returning Mon, Sep 14, priced at CA $1,731 found 18 hours ago
Copa
Tue, Sep 1 - Tue, Sep 8
SEA
Seattle
EZE
Buenos Aires
CA $1,741 Roundtrip, found 2 days ago
CA $1,741
Roundtrip
found 2 days ago
Select Copa flight, departing Tue, Sep 1 from Seattle to Buenos Aires, returning Tue, Sep 8, priced at CA $1,741 found 2 days ago
Delta
Wed, Sep 9 - Mon, Sep 14
SEA
Seattle
EZE
Buenos Aires
CA $1,804 Roundtrip, found 18 hours ago
CA $1,804
Roundtrip
found 18 hours ago
Select Delta flight, departing Wed, Sep 9 from Seattle to Buenos Aires, returning Mon, Sep 14, priced at CA $1,804 found 18 hours ago

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini Intl.) cost?
You can find one-way and return flights from SEA to EZE with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to EZE ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini Intl.)?
The cheapest months to fly from SEA to EZE are typically during off-peak season 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 are 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 Buenos Aires (EZE-Ministro Pistarini Intl.)?
Enter SEA to EZE 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 Buenos Aires (EZE-Ministro Pistarini Intl.)?
JetBlue Airways is one of the cheapest airlines offering connecting return flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini Intl.), with prices starting from around CA$1962 for flights that can be booked for departure within the next year. These flights typically include a layover in John F. Kennedy Intl. (JFK). 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.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini 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 Buenos Aires (EZE-Ministro Pistarini 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.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini Intl.)?
There are approximately 57 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Ministro Pistarini Intl. (EZE). Some common connection points include Los Angeles Intl. (LAX), John F. Kennedy Intl. (JFK), and O'Hare Intl. (ORD).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini Intl.)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Ministro Pistarini Intl. (EZE) typically departs around 12:05 AM local time. This service is offered by American Airlines. This is a seasonal service, active only in February. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini Intl.)?
You'll typically find the most flights from Seattle - Tacoma Intl. (SEA) to Ministro Pistarini Intl. (EZE) on a Tuesday, with around 57 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, Alaska Airlines, and Delta.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini Intl.)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Ministro Pistarini Intl. (EZE) are in the morning, from 6am to 9am. Many major carriers, including Delta, United and American Airlines, offer flights during this window. Many travelers prefer this because it allows for an early start to their journey.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini Intl.)?
There are no nonstop flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini Intl.). For flights with one stop, you can expect the journey to take around 16 hours. If your flight has two or more stops, the travel time typically increases to about 21 hours. The total distance covered on this route is approximately 11,129 kilometers. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and wind patterns.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini Intl.)?
Yes, you can fly business class or first class between SEA and EZE. Airlines that offer business class service on this route include:
  • Lufthansa
  • Air Canada
  • Aeromexico
  • LATAM Airlines Group
  • United
  • Delta
  • American Airlines
First class cabins are available on Alaska Airlines and American Airlines.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini 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 Buenos Aires (EZE) from Seattle, WA (SEA)?
If you're planning to travel to Buenos Aires from Seattle - Tacoma Intl. (SEA), you can fly directly into Ministro Pistarini Intl. (EZE) which offers international flights and connections. Some flights may connect through major hubs like Los Angeles Intl. (LAX), Dallas-Fort Worth Intl. (DFW), or Denver Intl. (DEN) before reaching Buenos Aires. 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 Buenos Aires (EZE-Ministro Pistarini Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini 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 Buenos Aires (EZE-Ministro Pistarini Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini Intl.) flight and hotel package 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 Buenos Aires (EZE-Ministro Pistarini Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buenos Aires (EZE-Ministro Pistarini 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 Intl.
Destination airport
Ministro Pistarini Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Copa, Delta, LATAM Airlines Group, United, avianca
Roundtrip price
CA $1,624
Distance
11063 km

Book with confidence

Seattle to Buenos Aires Flights

The easy way to book your flights from Seattle to Buenos Aires 

With Expedia, it’s simple to find and book flights to Buenos Aires from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Ministro Pistarini Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Buenos Aires today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Ministro Pistarini Intl., EZE 

Sort your search results by price to find great deals on your flight from Seattle to Buenos Aires—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Buenos Aires from Seattle currently is just CA $1,625 rising to CA $1,804.  

Here are more money-saving tips: 

  • Fly in November when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Buenos Aires  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Buenos Aires from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Buenos Aires with Expedia today.

Seattle to Buenos Aires Flights

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