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 Rs257,578. Find the lowest prices on one-way and return tickets right here.

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 September.

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 foundRs89,177
Cheapest month to flySeptember

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 Rs223,534. 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 Rs223,843.
As of July 2026, there are no flights flying from Seattle to Buenos Aires.
The cheapest month to fly from Seattle to Buenos Aires is usually August.
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 Rs223,534.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Buenos Aires on Wednesday, 12 August 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 July, the average temperature is usually around 10°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 .

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

  • Seattle has a couple of airports where you can set off on your adventure. Explore your options for booking a flight from Seattle to Buenos Aires departing from Seattle / Tacoma International Airport (SEA) or Seattle Lake Union SPB Airport (LKE).

  • Buenos Aires Jorge Newbery Airport (AEP) and Buenos Aires Ministro Pistarini Airport (EZE) are Buenos Aires's primary gateways.

  • Buenos Aires is five hours ahead of Seattle and is in the UTC-3 timezone.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. That way, you can comfortably board your Seattle to Buenos Aires flight.

  • You'll likely experience longer lines in popular months like July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a smart move.

How to find the cheapest flights from Seattle to Buenos Aires

  • To pick up cheap Seattle to Buenos Aires flights, book early. Airlines typically offer their most competitively priced fares when tickets are first released.

  • If you're flexible with your trip dates, try using the 'Whole month' tool. It'll give you the cheapest price in each month when searching for your plane ticket from Seattle to Buenos Aires.

  • There's no need to search every day to find out if prices have dropped when you create a Price Alert. We'll tell you as soon as there's a better deal on cheap flights from Seattle to Buenos Aires.

  • Select your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your Seattle to Buenos Aires flight results by 'Cheapest,' 'Fastest' or 'Best.'

Flying from Seattle

Seattle / Tacoma International Airport (SEA)

  • Stopovers are the perfect opportunity to break up your journey — and maybe even visit a new city. When searching for Seattle to Buenos Aires flights leaving from Seattle / Tacoma International Airport, uncheck the 'Direct flights only' box to see where you can stop along the way. Popular options include:

    • Dallas Fort Worth International Airport (DFW)

    • Houston George Bush Intercntl. Airport (IAH)

    • New York John F. Kennedy Airport (JFK)

  • Located around 19 kilometres from central Seattle, SEA can be reached in about 25 minutes by car, depending on traffic. The journey on public transport takes roughly 35 minutes.

  • Want a leisurely start to your holiday? 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:

  • 80% of flights leaving Seattle / Tacoma International Airport arrive at their destination on time. With its solid on-time performance, you're unlikely to experience delays when setting off from SEA.

Arriving in Buenos Aires

Buenos Aires Jorge Newbery Airport (AEP)

  • Buenos Aires Jorge Newbery Airport (AEP) is approximately 6 kilometres from central Buenos Aires. If you're catching a taxi or a ride-share, the drive takes roughly 25 minutes.

  • If you're taking 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. Collect your bags from the carousel and then be showered and snoozing not long after at one of these accommodation options near AEP:

  • Pick up a Buenos Aires Jorge Newbery Airport rental car and discover Buenos Aires and beyond with your own wheels. Hertz, Localiza and rentar low cost are leading providers you can book with here.

  • Lock in the lowest price by reserving your vehicle from Buenos Aires Jorge Newbery Airport around one week ahead of your departure.

Buenos Aires Ministro Pistarini Airport (EZE)

  • Buenos Aires Ministro Pistarini Airport (EZE) is about 24 kilometres from the centre of Buenos Aires. Once you've disembarked your flight from Seattle to Buenos Aires, it takes approximately 30 minutes to get to the heart of the city in a taxi or ride-share.

  • If you choose to travel on public transport, the ride to the centre will take you 1 hour 15 minutes or so.

  • Hang up the 'Do not disturb' sign and rest at a hotel near EZE. Here are a few options where you can take a load off after your flight from Seattle to Buenos Aires:

  • Forget about inconvenient public transport timetables or slow-moving taxi lines. Grab a Buenos Aires Ministro Pistarini Airport rental car and take your trip in whatever direction you choose. Check out the availability and rates from Hertz, Cactus and Localiza.

  • Avoid paying more than you need to. Booking your ride one week ahead of your arrival at EZE will help you stay within budget.

El Palomar Airport (EPA)

  • Once your flight from Seattle to Buenos Aires has arrived, the city centre is likely next on your itinerary. El Palomar Airport (EPA) is around 16 kilometres from central Buenos Aires.

  • Make your way from the arrivals hall to your hotel in one smooth trip by grabbing a El Palomar Airport rental car. You can book with reliable names here like Rent A Car and Rent A Car.

  • Booking a couple of weeks in advance of your flight from Seattle to Buenos Aires is a smart way to go. Along with better prices, you might find it easier to get the make and model you prefer at EPA.

Best time to go to Buenos Aires

  • It's time to figure out your travel dates for your flight from Seattle to Buenos Aires. August is the busiest month to visit Buenos Aires. If you like a more peaceful vibe, go in March.

  • Lock in a Seattle to Buenos Aires ticket departing in January if you want to visit the city during its warmest month. You can expect temperatures in Buenos Aires to range from 18ºC to 32ºC.

  • Search for cheap flights from Seattle to Buenos Aires in July if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 5ºC and 16ºC on average.

More about Buenos Aires

  • When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Buenos Aires right here. Browse these options as soon as you've locked in your flight from Seattle to Buenos Aires:

  • Teatro Colón and El Ateneo Grand Splendid are just two of the major attractions to put on your Buenos Aires must-do list. Keep the momentum going by heading to Recoleta Cemetery.

Explore more of Argentina

  • Buenos Aires is easy to fall in love with, but there are so many other parts of Argentina just waiting to be explored. About 274 kilometres northwest of Buenos Aires, a visit to Rosario will keep you on the move. Check out popular attractions like Casa Natal Che Guevara, Monumento al Che Guevara and Museo de la Memoria.

  • La Plata is another essential stop in Argentina and is around 56 kilometres southeast of Buenos Aires. No trip is complete without visiting Museum of Contemporary Latin American Art, Teatro Argentino and Catedral de La Plata.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.