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704 € Cheap Flights from Seattle to Buenos Aires

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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? If you want to travel next month, return fares start from 746 €. Find the lowest prices on one-way and return tickets right here.
Buenos Aires.704 € per passenger.Departing Sun, 19 Apr, returning Fri, 8 May.Return flight with Hawaiian Airlines and LATAM Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Seattle / Tacoma International on Sun, 19 Apr, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with LATAM Airlines, departs from Buenos Aires Jorge Newbery on Fri, 8 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 704 €, select.
Buenos Aires.740 € per passenger.Departing Mon, 18 May, returning Mon, 1 Jun.Return flight with Alaska Airlines and Avianca.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Mon, 18 May, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Mon, 1 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 740 €, select.
Buenos Aires.745 € per passenger.Departing Thu, 7 May, returning Sun, 17 May.Return flight with Alaska Airlines and Sky Airline.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Thu, 7 May, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Sky Airline, departs from Buenos Aires Jorge Newbery on Sun, 17 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 745 €, select.
Buenos Aires.746 € per passenger.Departing Tue, 14 Apr, returning Tue, 21 Apr.Return flight with Hawaiian Airlines and Sky Airline.Outbound indirect flight with Hawaiian Airlines, departs from Seattle / Tacoma International on Tue, 14 Apr, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Sky Airline, departs from Buenos Aires Ministro Pistarini on Tue, 21 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 746 €, select.
Buenos Aires.766 € per passenger.Departing Tue, 31 Mar, returning Tue, 14 Apr.Return flight with Hawaiian Airlines and LATAM Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Seattle / Tacoma International on Tue, 31 Mar, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with LATAM Airlines, departs from Buenos Aires Jorge Newbery on Tue, 14 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 766 €, select.
Buenos Aires.783 € per passenger.Departing Thu, 4 Jun, returning Mon, 31 Aug.Return flight with Frontier Airlines and Avianca.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Thu, 4 Jun, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Jorge Newbery on Mon, 31 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 783 €, select.
Buenos Aires.826 € per passenger.Departing Mon, 21 Sep, returning Tue, 29 Sep.Return flight with Alaska Airlines and Arajet.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Mon, 21 Sep, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departs from Buenos Aires Ministro Pistarini on Tue, 29 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 826 €, select.
Buenos Aires.832 € per passenger.Departing Mon, 1 Jun, returning Wed, 29 Jul.Return flight with WestJet and Avianca.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Mon, 1 Jun, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Jorge Newbery on Wed, 29 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 832 €, select.
Buenos Aires.859 € per passenger.Departing Wed, 26 Aug, returning Sat, 12 Sep.Return flight with Alaska Airlines and Avianca.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Wed, 26 Aug, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Jorge Newbery on Sat, 12 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 859 €, select.
Buenos Aires.863 € per passenger.Departing Tue, 2 Jun, returning Fri, 12 Jun.Return flight with Alaska Airlines and Avianca.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Tue, 2 Jun, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Fri, 12 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 863 €, select.
Buenos Aires.867 € per passenger.Departing Mon, 12 Oct, returning Sun, 25 Oct.Return flight with Alaska Airlines and Avianca.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Mon, 12 Oct, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Jorge Newbery on Sun, 25 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 867 €, select.
Buenos Aires.896 € per passenger.Departing Thu, 9 Jul, returning Wed, 15 Jul.Return flight with Frontier Airlines and Arajet.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Thu, 9 Jul, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departs from Buenos Aires Ministro Pistarini on Wed, 15 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 896 €, select.
Buenos Aires.986 € per passenger.Departing Thu, 14 Jan, returning Thu, 28 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Thu, 14 Jan, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Delta, departs from Buenos Aires Ministro Pistarini on Thu, 28 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 986 €, select.
Buenos Aires.1.013 € per passenger.Departing Mon, 9 Mar, returning Wed, 18 Mar.Return flight with Frontier Airlines and LATAM Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Mon, 9 Mar, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with LATAM Airlines, departs from Buenos Aires Ministro Pistarini on Wed, 18 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 1.013 €, select.
Buenos Aires.1.671 € per passenger.Departing Fri, 18 Dec, returning Sat, 2 Jan.Return flight with Alaska Airlines and Arajet.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Fri, 18 Dec, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departs from Buenos Aires Ministro Pistarini on Sat, 2 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 1.671 €, 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 May.
Mar
from 1.013 €
Apr
from 746 €
May
from 745 €
Jun
from 863 €
Jul
from 896 €
Aug
Find prices
Sep
from 826 €
Oct
from 867 €
Nov
Find prices
Dec
Find prices
Jan
from 986 €
Feb
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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.

Buenos Aires Jorge Newbery

7km from central Buenos Aires
Closest
from 737 €
Search flights

Buenos Aires Ministro Pistarini

28km from central Buenos Aires
Cheapest
from 722 €
Search flights

Seattle to Buenos Aires: Flight information

The things to know before you go.
Cheapest flight found704 €
Cheapest month to flyApril

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 704 €. 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 704 €.
As of March 2026, there are no flights flying from Seattle to Buenos Aires.
The cheapest month to fly from Seattle to Buenos Aires is usually April.
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 704 €.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Buenos Aires on Sunday, 19 April 2026.
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 March, the average temperature is usually around 22°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 Hawaiian Airlines .

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

  • Start your travel planning by considering the departure point for your flight from Seattle to Buenos Aires. Seattle-Tacoma International Airport (SEA) and Lake Union Sea Plane Base Airport (LKE) are Seattle's main airports.

  • 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.

  • For a relaxed travel experience, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your Seattle to Buenos Aires flight.

  • Travelling during a peak time like July? Public holidays and other high seasons can lead to longer queues and delays at security. Be extra cautious and get there up to four hours before international flights and two hours before domestic departures.

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)

  • We make it a cinch to book a Seattle to Buenos Aires flight with a stopover. To see your options departing from Seattle-Tacoma International Airport, uncheck 'Direct flights only.' Next, choose a flight with a stop long enough to tour your chosen city. Some popular stopovers include:

    • Dallas/Fort Worth International Airport (DFW)

    • John F. Kennedy International Airport (JFK)

    • George Bush Intercontinental Airport (IAH)

  • SEA is about 18 kilometres from central Seattle. If you're catching a cab, ride-sharing or driving 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 travel time to be around 55 minutes.

  • After a relaxed start to your journey? Stay near Seattle-Tacoma International Airport. Whether you've booked an early flight from Seattle to Buenos Aires or just don't like being rushed, these hotels are just the thing:

  • Seattle-Tacoma International Airport scores top marks for on-time performance. 81.27% of flights that take off from SEA arrive at their destination as scheduled.

Arriving in Buenos Aires

Jorge Newbery Airport (AEP)

  • The distance from Jorge Newbery Airport (AEP) to central Buenos Aires is roughly 6 kilometres. It'll take you around 20 minutes to get to the centre driving.

  • When 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, few things beat the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and snoozing soon after at one of these hotels near AEP:

  • Fast-track your adventure by picking up a Jorge Newbery Airport rental car. Grab your wheels from Hertz, Localiza or rentar low cost and explore beyond Buenos Aires's usual tourist stops.

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

Ministro Pistarini Airport (EZE)

  • As soon as your flight from Seattle to Buenos Aires has touched down, you can make your way to the city centre in about 35 minutes by car. Central Buenos Aires is roughly 24 kilometres from Ministro Pistarini Airport (EZE).

  • You can expect the journey to take about 2 hours 10 minutes on public transport.

  • You'll find some comfortable places ready to welcome you near EZE. Tuck yourself in after your Seattle to Buenos Aires flight at one of these well-located options:

  • Hertz, Cactus and Localiza make collecting a Ministro Pistarini Airport rental car quick and easy. These companies are located around or in the terminal and will have you on your way in a heartbeat.

  • Avoid last-minute price surges. Reserving your ride one week before your arrival at EZE will help you stay within budget.

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 (66ºF) and 31ºC (88ºF). 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 (41ºF) and 15ºC (59ºF).

More about Buenos Aires

  • When it comes to looking for somewhere to lay your head, you'll find the top stays in Buenos Aires right here. Explore these options once you've booked your flight from Seattle to Buenos Aires:

  • Obelisco de Buenos Aires and Recoleta Cemetery are just the start of the top attractions to add to your Buenos Aires must-do list. Keep the sightseeing going at Casa Rosada.

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.