$473 Find Cheap Flights from Seattle to Buenos Aires - Compare and Save

Four cabin classes are available on flights from Seattle to Buenos Aires:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from Seattle to Buenos Aires takes 00m, covering 6,905 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Seattle to Buenos Aires range from $1,281 to $1,730, with an average of $1,484 over the past 12 months. Anything below $1,281 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 30% above the $1,484 route average. Book 16 weeks before departure for the lowest fares.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,117 to $10,398. That means the highest observed fare was about 9x higher than the lowest one.

One-way fares from Seattle to Buenos Aires are currently lower than usual. Average one-way flight prices are about $766, which is 14% below the typical average for this route.

Since Buenos Aires is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Buenos Aires Ministro Pistarini Airport (EZE) — daily rates averaging $66:

• Hertz
• Rentacar
• Street Rent a Car
• Alamo
• Localiza

Near Buenos Aires Jorge Newbery Airport (AEP) — daily rates averaging $70:

• Hertz
• Alamo
• Localiza
• Rentacar
• Street Rent a Car

Flights from Seattle to Buenos Aires usually depart from Seattle/Tacoma Intl (SEA) and may arrive at several airports in Buenos Aires area, including Buenos Aires Jorge Newbery (AEP) and Buenos Aires Ministro Pistarini (EZE).

One-stop flights from Seattle to Buenos Aires most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 38% of one-stop connections
• Dallas/Fort Worth (DFW) - 26% of one-stop connections
• Houston George Bush Intcntl (IAH) - 19% of one-stop connections
• Miami (MIA) - 7% of one-stop connections

Yes. Flexible dates can save you up to 24% on flights from Seattle to Buenos Aires. Monday is the cheapest departure day at $1,346 round-trip on average, while Saturday is the most expensive at $1,761, a difference of $415.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 17h 11m, compared with 17h 43m via Atlanta Hartsfield-Jackson (ATL) and 17h 58m via Houston George Bush Intcntl (IAH).

Buenos Aires is 5 hours ahead of Seattle (Argentina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Buenos Aires are Obelisco de Buenos Aires, Estadio Monumental and Parque Centenario. These are among the most viewed places in Buenos Aires on KAYAK.

Delta Air Lines and Alaska Airlines allow pets to travel with their owners in the cabin or as checked baggage. Delta Air Lines permits small dogs, cats, and household birds, while Alaska Airlines allows a wider range of pets, including dogs, cats, rabbits, and birds. Specific guidelines and restrictions apply, such as carrier dimensions and health documentation, so check with the respective airlines for detailed pet travel policies.

Delta Air Lines and Alaska Airlines offer various services for young travelers. Delta Air Lines provides Sky Zone, an in-flight entertainment channel dedicated to kids, and complimentary snacks. Alaska Airlines offers the "Fly With Me" animals program, providing collectible plush toys and activity packs. Both airlines also have child-friendly meals and options to pre-board families traveling with children.

Ezeiza International Airport (Ministro Pistarini) (EZE) is the main airport in Buenos Aires. Taxi services like Taxi Ezeiza, ride-hailing services, and Manuel Tienda León buses are available for transportation to the city center. For Jorge Newbery Airport (AEP), similar transportation options apply. Please verify availability before traveling.

Delta Air Lines and Alaska Airlines offer special meals to accommodate different dietary needs. Delta Air Lines provides vegetarian, vegan, gluten-free, and kosher meals. Alaska Airlines offers special meals for specific dietary preferences, including vegetarian, vegan, gluten-free, and diabetic meals.