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Cheap Flights from Seattle to Buenos Aires

Compare Seattle to Buenos Aires flight deals

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Flight deals from Seattle to Buenos Aires

Looking for a cheap last-minute deal or the best return flight from Seattle to Buenos Aires? Find the lowest prices on one-way and return tickets right here.
Buenos Aires.ج.م.‏ 18,305 per passenger.Departing Mon, 3 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Mon, 3 Nov, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From ج.م.‏ 18,305, select.
Buenos Aires.ج.م.‏ 18,471 per passenger.Departing Mon, 27 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Mon, 27 Oct, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From ج.م.‏ 18,471, select.
Buenos Aires.ج.م.‏ 21,109 per passenger.Departing Tue, 2 Dec.One-way flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Seattle / Tacoma International on Tue, 2 Dec, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From ج.م.‏ 21,109, select.
Buenos Aires.ج.م.‏ 21,546 per passenger.Departing Sat, 13 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Sat, 13 Sep, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From ج.م.‏ 21,546, select.
Buenos Aires.ج.م.‏ 22,475 per passenger.Departing Mon, 20 Apr.One-way flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Seattle / Tacoma International on Mon, 20 Apr, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From ج.م.‏ 22,475, select.
Buenos Aires.ج.م.‏ 25,016 per passenger.Departing Thu, 15 Jan.One-way flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Seattle / Tacoma International on Thu, 15 Jan, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From ج.م.‏ 25,016, select.
Buenos Aires.ج.م.‏ 25,531 per passenger.Departing Fri, 27 Mar.One-way flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Seattle / Tacoma International on Fri, 27 Mar, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From ج.م.‏ 25,531, select.
Buenos Aires.ج.م.‏ 28,747 per passenger.Departing Wed, 3 Jun.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Wed, 3 Jun, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From ج.م.‏ 28,747, select.

Find the cheapest month to fly from Seattle to Buenos Aires

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Buenos Aires flights are currently cheapest in November.
Sep
from ج.م.‏ 21,546
Oct
from ج.م.‏ 18,471
Nov
from ج.م.‏ 18,305
Dec
from ج.م.‏ 21,109
Jan
from ج.م.‏ 25,016
Feb
Find prices
Mar
from ج.م.‏ 25,531
Apr
from ج.م.‏ 22,475
May
Find prices
Jun
from ج.م.‏ 28,747
Jul
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Aug
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Alternative Seattle to Buenos Aires routes

Looking for the cheapest, fastest or easiest route from Seattle to Buenos Aires? You could fly into the following airports instead.

Seattle to Buenos Aires: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 18,305
Cheapest month to flyNovember

Finding cheap flights from Seattle to Buenos Aires: Frequently asked questions

There are 2 airports in Buenos Aires: Buenos Aires Jorge Newbery and Buenos Aires Ministro Pistarini.
The best price we found for a return flight from Seattle to Buenos Aires is ج.م.‏ 41,255. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle to Buenos Aires. But we found flights with one or more stops from ج.م.‏ 41,255.
As of September 2025, there are no flights flying from Seattle to Buenos Aires.
The cheapest month to fly from Seattle to Buenos Aires is usually October.
If you're flying from Seattle, the cheapest airport near Buenos Aires is Buenos Aires Ministro Pistarini – which is 27.7 km away from the centre of Buenos Aires. We've found flights into this airport from ج.م.‏ 41,255.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Buenos Aires on Monday, 27 October 2025.
No airlines currently offer direct flights between Seattle and Buenos Aires. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Buenos Aires but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Buenos Aires is around 40 days in advance, so don’t leave your flight to the last minute.
In September, the average temperature is usually around 13°C. January is typically the warmest month in Buenos Aires, when it usually averages around 30°C. You can expect the least rain in June. The coldest month is July, with temperatures averaging 6°C. The rainiest month is March.
The cheapest airline that flies to Buenos Aires is Frontier Airlines .

Flying from Seattle to Buenos Aires: what you need to know

  • Seattle is home to two main airports where you can set off on your adventure. Explore your options for reserving a flight from Seattle to Buenos Aires flying out of Seattle-Tacoma International Airport (SEA) or Lake Union Sea Plane Base Airport (LKE).

  • Hop off your plane in Buenos Aires at Jorge Newbery Airport (AEP) or Ministro Pistarini Airport (EZE).

  • Buenos Aires is four hours ahead of Seattle and observes the UTC-3 timezone.

  • Leave enough time to get on your Seattle to Buenos Aires flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Peak months like July or holiday periods such as spring break and Thanksgiving will mean longer queues at check-in and security. If you're travelling then, play it safe and get to the airport even earlier. Arriving two hours before domestic flights and four hours ahead of an international departure is a wise move.

How to find the cheapest flights from Seattle to Buenos Aires

  • Don't leave everything to the last moment. You're more likely to find cheap Seattle to Buenos Aires flights if you book in advance. Airlines often have some excellent early bird discounts.

  • If you're flexible with your travel dates, try using the 'Whole month' tool. It'll show you the lowest price across every month when searching for your plane ticket from Seattle to Buenos Aires.

  • You don't need to check back in every day to see if fares have dropped when you create a Price Alert. We'll update you the moment a better deal is available on cheap flights from Seattle to Buenos Aires.

  • Lock in a cheap Seattle to Buenos Aires flight with the help of our filters. Choose your ideal duration, departure time and airlines, then sort the results by 'Cheapest' to see the best deals.

Flying from Seattle

Seattle-Tacoma International Airport (SEA)

  • Consider adding a stopover to potentially save on your Seattle to Buenos Aires flight. Simply uncheck 'Direct flights only' when browsing departures from Seattle-Tacoma International Airport. Take a break (and maybe save some cash) by stopping at one of these popular airports:

    • George Bush Intercontinental Airport (IAH)

    • Dallas/Fort Worth International Airport (DFW)

    • John F. Kennedy International Airport (JFK)

  • SEA is about 18 kilometres from central Seattle. If you're catching a cab, driving or ride-sharing from the centre, it'll take 20 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the journey time to be around 55 minutes.

  • After a leisurely start to your travels? Stay near Seattle-Tacoma International Airport. Whether you're catching an early flight from Seattle to Buenos Aires or just don't want to be rushed, these hotels are just the thing:

  • Seattle-Tacoma International Airport has an excellent on-time record, so you're unlikely to face delays. Departures from SEA arrive on schedule 81.27% of the time.

Arriving in Buenos Aires

Jorge Newbery Airport (AEP)

  • Jorge Newbery Airport (AEP) is approximately 6 kilometres from the centre of Buenos Aires. If you're catching a cab or a ride-share, the drive takes roughly 20 minutes.

  • If you're travelling by public transport, expect a journey time of about 40 minutes.

  • If you're coming in on a late flight from Seattle to Buenos Aires, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and relaxing not long after at one of these accommodation options near AEP:

  • Follow your own route with a Jorge Newbery Airport rental car. Book your wheels from Hertz, Localiza or rentar low cost and discover more of Buenos Aires and beyond.

  • Booking your vehicle from Jorge Newbery Airport about one week ahead can help you get the best possible rate.

Ministro Pistarini Airport (EZE)

  • Ministro Pistarini Airport (EZE) is around 24 kilometres from the centre of Buenos Aires. Following your flight from Seattle to Buenos Aires, it takes approximately 35 minutes to get to the heart of the city in a cab or ride-share.

  • Public transport will get you there in approximately 2 hours 10 minutes.

  • After your flight from Seattle to Buenos Aires, rest your head at a hotel close to EZE. These are some comfortable options that'll help you sink into relaxation mode:

  • The quickest way to reach your destination is with a Ministro Pistarini Airport rental car. Grab your wheels from Hertz, Cactus or Localiza and be on your way in a flash.

  • Lock in the lowest price by securing your ride from EZE one week in advance. You'll also have access to a greater selection of vehicles.

Best time to go to Buenos Aires

  • April is the quietest month for flights from Seattle to Buenos Aires, while August is the busiest. Find the ideal time to go to Buenos Aires based on whether you prefer a lively atmosphere or a more laid-back vibe.

  • The warmest month in Buenos Aires is January, with temperatures ranging between 19ºC and 31ºC. Lock in your Seattle to Buenos Aires ticket then if that's your ideal forecast.

  • For cooler conditions, search for a cheap flight from Seattle to Buenos Aires in July when temperatures average between 5ºC and 15ºC.

More about Buenos Aires

  • Once you've booked your flight from Seattle to Buenos Aires, find a hotel that offers the right mix of comfort and location. Make one of these accommodation options your base for exploring Buenos Aires:

  • There are so many things to explore in this city it can be difficult to know where to start. Obelisco de Buenos Aires, Recoleta Cemetery and Casa Rosada are top attractions which should be on every Buenos Aires itinerary.

Explore more of Argentina

  • Rosario is just one of the many places in Argentina waiting to be explored once you've taken in the sights of Buenos Aires. Around 274 kilometres to the north-west, check out popular attractions including Monumento a la Bandera (Flag Monument), Predio Ferial Parque de la Independencia and Parque Nacional a la Bandera.

  • If there's time to check out another major stop in Argentina, head for La Plata, roughly 56 kilometres south-east of Buenos Aires. Busto de Francisco Lopez Merino, Estacion circunvalacion and Museo Almafuerte are among its highlights.

Plan the rest of your trip from Seattle to Buenos Aires

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.