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SEA - BUE

$841 Find cheap flights from Seattle to Buenos Aires

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Buenos Aires departing on 8/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 5/25
Sat 6/1

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Buenos Aires.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Buenos Aires.
In the last 7 days travelers have searched 44,979,812 times on KAYAK, and here is why:

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Cheap flight deals from Seattle to Buenos Aires (SEA-BUE)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Buenos Aires that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
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11:05 pm - 2:30 pmSEA-EZE
35h 25m2 stops
2:30 am - 9:29 pmEZE-SEA
22h 59m2 stops
Wed, Aug 14 - Mon, Aug 26
11:05 pm - 2:30 pmSEA-EZE
35h 25m2 stops
2:30 am - 9:58 pmEZE-SEA
23h 28m2 stops
Wed, Aug 14 - Tue, Aug 27
11:47 pm - 8:00 amSEA-EZE
28h 13m2 stops
9:00 pm - 6:52 pmEZE-SEA
25h 52m2 stops
$1,118United Airlines
Find Deal
Wed, Aug 14 - Tue, Aug 27
1:50 pm - 9:40 amSEA-EZE
15h 50m1 stop
8:00 pm - 10:09 pmEZE-SEA
30h 09m1 stop
$1,119Delta
Find Deal
Wed, Aug 14 - Wed, Aug 28
11:47 pm - 8:00 amSEA-EZE
28h 13m2 stops
9:00 pm - 7:23 pmEZE-SEA
26h 23m1 stop
$1,143United Airlines
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Fri, Jun 28 - Mon, Jul 22
5:00 am - 7:05 amSEA-EZE
22h 05m2 stops
8:50 pm - 11:20 pmEZE-SEA
30h 30m1 stop
$1,163American Airlines
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Thu, Aug 15 - Sun, Aug 25
10:00 pm - 9:10 pmSEA-EZE
19h 10m1 stop
11:10 pm - 8:01 pmEZE-SEA
24h 51m1 stop
$1,208Aeromexico
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Mon, Jun 24 - Thu, Jul 25
10:00 pm - 9:10 pmSEA-EZE
19h 10m1 stop
11:10 pm - 2:02 pmEZE-SEA
18h 52m1 stop
$1,233Aeromexico
Find Deal
Sun, Jun 23 - Wed, Jul 24
7:10 am - 9:45 amSEA-EZE
22h 35m1 stop
6:10 am - 11:59 pmEZE-SEA
21h 49m2 stops
$1,264Delta
Find Deal
Wed, Jun 5 - Wed, Jun 12
6:00 am - 10:00 amSEA-EZE
24h 00m2 stops
8:55 pm - 2:53 pmEZE-SEA
21h 58m2 stops
$1,317American Airlines
Find Deal
Sat, May 25 - Sat, Jun 8

Flights from Seattle to Buenos Aires - Travel Insights & Trends

Get data-powered insights and trends into flights from Seattle to Buenos Aires to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Seattle to Buenos Aires?

The average price of all flights from Seattle to Buenos Aires clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Seattle to Buenos Aires, look for departures on Sundays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Buenos Aires, Tuesday is the cheapest day to fly and Sunday is the most expensive.

What is the cheapest month to fly from Seattle to Buenos Aires?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Seattle to Buenos Aires, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Seattle to Buenos Aires is July, where tickets cost $1,259 on average. On the other hand, the most expensive months are December and March, where the average cost of tickets is $1,950 and $1,655 respectively.

How far in advance should I book a flight from Seattle to Buenos Aires?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Seattle to Buenos Aires, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Seattle to Buenos Aires, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 37 days before departure.

Good to know

Low season

July

High season

February

Cheapest flight

$841
Best time to beat the crowds with an average 16% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Seattle to Buenos Aires Ministro Pistarini

When to book flights from Seattle to Buenos Aires

Are your dates flexible? Find out the best times to travel from Seattle to Buenos Aires based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Buenos Aires

  • Can I travel with pets on the flight from Seattle to Buenos Aires?

    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.

  • What services are available for kids on the flight from Seattle to Buenos Aires?

    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.

  • How can I get from the airport to the city center of Buenos Aires?

    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.

  • Do these airlines cater to special dietary requirements?

    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.

  • What is the cheapest flight from Seattle to Buenos Aires?

    In the last 3 days, the lowest price for a flight from Seattle to Buenos Aires was $841 for a round-trip ticket.

  • Do I need a passport to fly between Seattle and Buenos Aires?

    Yes, you’ll need a passport to travel to Buenos Aires from Seattle.

  • Which airports will I be using when flying from Seattle to Buenos Aires?

    Seattle is served by only 1 airport and there are 2 airports in Buenos Aires. You will leave Seattle from Seattle/Tacoma Intl and you will be arriving in Buenos Aires at one of these airports: Buenos Aires Jorge Newbery or Buenos Aires Ministro Pistarini.

  • Which aircraft models fly most regularly from Seattle to Buenos Aires?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Seattle to Buenos Aires?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Seattle and Buenos Aires, with Star Alliance being the most commonly used for this route.

  • What is the most popular layover when flying to Buenos Aires from Seattle?

    Dallas is the most popular layover city among KAYAK users traveling from Seattle to Buenos Aires.

  • Which is the best airline for flights from Seattle to Buenos Aires, Delta or Copa Airlines?

    The two airlines most popular with KAYAK users for flights from Seattle to Buenos Aires are Delta and Copa Airlines. With an average price for the route of $1,348 and an overall rating of 8.0, Delta is the most popular choice. Copa Airlines is also a great choice for the route, with an average price of $1,747 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Seattle to Buenos Aires?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Buenos Aires.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Buenos Aires?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buenos Aires from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Buenos Aires?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Buenos Aires with an airline and back to Seattle with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Buenos Aires?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Buenos Aires from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from Seattle to Buenos Aires

  • When searching for cheap flights from Seattle to Buenos Aires, consider checking the ticket classes various airlines offer. For example, Delta Air Lines provides classes such as Economy, Comfort+, and First Class, each with benefits and pricing options. Alaska Airlines offers Main Cabin, Premium Class, and First Class, catering to different traveler preferences and budgets.
  • Look out for airlines that offer special amenities to enhance your travel experience. For instance, United Airlines provides complimentary in-flight Wi-Fi, power outlets at each seat, and personal entertainment systems on select flights. American Airlines offers priority boarding for certain fare classes, allowing you to settle in and relax more quickly.
  • If you're concerned about reducing your carbon footprint, consider airlines that prioritize sustainability. For example, Alaska Airlines is committed to minimizing emissions by using sustainable aviation fuel and operating more fuel-efficient aircraft. Delta Air Lines has implemented carbon offset programs and investments in cleaner technologies to reduce its environmental impact.
  • When searching for cheap flights, be open to layovers, which can often result in significant savings. Airlines like Copa Airlines and Aeromexico frequently offer connecting flights between Seattle and Buenos Aires, providing more affordable options than non-stop flights. While layovers may extend your travel time, they can be an opportunity to explore an additional city or take a break during your journey.
  • Before booking your flight, review the baggage policies of each airline to avoid any surprises or extra charges. For example, Delta Air Lines allows one free carry-on bag and one personal item, while Alaska Airlines permits a similar policy with specific size and weight restrictions. It's important to note that additional fees may apply for checked bags or oversized items, so familiarize yourself with the baggage allowances of each airline to plan accordingly and minimize any additional costs.
See more tips

Top 5 airlines serving from Seattle to Buenos Aires

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Buenos Aires. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Buenos Aires? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 10975 reviews
7.9comfort
7.4food
8.2boarding
8.6crew
8.0entertainment
Airline reviews

Had a broken tray in business class. Crew just shrugged it off.

2.0 MediocreShiva, Apr 2024SEA - SFO
Read more about Delta reviews

Had a broken tray in business class. Crew just shrugged it off.

Everything was great except for the seat. The backrest would not stay in the upright position.

public website still broken for years randomly blocking browsers with privacy options active after loading a page maybe once. check-in on laptop was almost impossible but eventually randomly worked. had to print pass at airport since couldn't get back in to load digital pass on mobile firefox or chrome. red eye flight so smooth onboarding, plenty of room to spread out, easy offboarding. onboard wifi instructions mention vpn can cause problems connecting but fails to also mention private dns. no printed or built in menu list, seems weird to require personal device to point at qr code link for menu which does not even allow direct ordering. people with health condition risk related dietary restrictions trying to avoid for example cholesterol and sugar are left guessing what they can order either way without nutritional info highlights (cranberry juice was minute maid cocktail with as much suger as typical can of soda). tap to pay wasn't working and always seems sketchy to manually enter card info. good movie variety, so limited tv was okay.

Bag drop off was slow and annoying. Only 2 agents at the entire delta desk, and no one directing traffic for what line to be in, many confused people slowed down the process. Boarding was fine. Seats in Delta comfort plus were fine. Snacks were great! Definitely a bonus. The entertainment system was awful — old, slow, not responsive, and completely unable to play games due to some kind of error. But on the other hand, thank you to Delta for the free WiFi. That made it better.

Flight diverted in SD. Later take off in Seattle by 1.3hrs

Mi primera conexión se retrasó por lo cual perdí mi segunda conexión la cual salió adelantada

Crew was not friendly when I went to request a seat change.

There were choices for the snacks. Good choices and tasty lunch and breakfast as well.

The flight crew was amazing. I’m very tall and they moved me to an exit row unsolicited!!! Amazing service.

The boarding process was terrible especially with an indirect flight Chicago to Seattle to San Diego was terrible talking about we overbooked a flight idk if I’d take this airline ever again we got off our flight from Chicago to Seattle and we traveled for business and they told us our connecting flight was over booked and their was no seats asking people to take a delayed next flight and they don’t tell anyone coughing to wear masks seats 30A-B were terrible during the flight no one wants to sit next to people coughing all around I don’t want to be sick traveling for work or get sick anytime it’s very upsetting the staff doesn’t take this stuff serious to tell them to wear masks when they see people coughing and sneezing

Some entertainment and food/snack service would have been nice

All the pessengers should be wait in a line útil the creo and piloto are arrived.

Planes seat could be bigger very uncomfortable for tall humans.

1 hour waiting for suitcases to come out traveling in business class and food in business class is a sandwich? Avoid Aeromexico .

No space reserved for anyone who didn’t have underseat in front of them. Made it inconvenient to get the backs secured. No inflight entertainment in the 190. Bring your own! Food was excellent and we were surprised to get a full breakfast.

Cons: "left Houston more than 2 hours later, arrive in Mexico over 2 am"
Cons: "El problema es que nunca pude cambiar mi vuelo y con ustedes fue imposible comunicarse para que me auxiliaran. Muy mal por ustedes no por la línea."
Pros: "The crew was amazing , the site is ok"
Cons: "I love Aeroméxico , thanks for de service and the food."
Pros: "Plenty a space between seats. Ver confortable seats and small entertainment screens!"
Cons: "Better selection of movie?"
Cons: "Way too much people... We're in a pandemic and the plane was Full. Unacceptable."

Everything was as you would expect in coach - fine. Flight was close to on time.

No air in the middle rows. Had a hard time breathing. Was dying of heat.

Horrific checkin procedure with neither Delta nor Latam figuring out how to check me in. 4 hrs on customer support with both and both airlines pointing to each other who should do checking. I was not checked in until morning of flight, which for international flight is concerning.

It was a good experience, the flight was a little too long & the food was ok

the flight from Boston to Curitiba was on time actually 30 minutes earlier. latam was not able to unload the luggage for custom checkup in Sao Paulo ii took two and half hours . i missed the flight to Curitiba spend the night in hotel and then flying in the morning to Curitiba

Tough flight with turbulence… I was told by a fellow passenger that it is common. Nonetheless, very stressful. Cordial staff.

Very unprofessional staff in the checking and boarding. There was no space for my carry-on bag, which is understandable for a full flight. However, the rudeness in answering my questions about my bag were unnecessary. Shaming and threatening a passenger to be left behind was something I had never experienced (I am 57 years old and a Skymiles member) before. At a minimum, the boarding staff (Krystal Mejia and her manager Dee) should undergo further training on cultural sensitivity and professional skills on speaking with passengers. Krystal, just because I have dark hair and “look Latina” does not mean I can speak Spanish. Your assumption and threatening words until the very ending of my boarding (door of the airplane) were not only unnecessary and stressful but something that a passenger should not experience before boarding.

The flight from PDX to New York was cancelled, and I got rebooked one day later. Because of this I missed a meeting at my final destination, EZE. I now need to stay longer in Argentina, and was told the tariff difference was $780 plus $150 penalty! I am not using my return ticket, and have purchased a one way ticket EZE-PDX for $606 with another airline. SHAMEFUL

Cons: "Would not let us board with 25 minutes prior to departure Because they lock their doors 35 minutes prior"
Pros: "Yes"
Cons: "Serve some type of beverage with out charging a lot"

Due to one crew member not showing up to work, our flight was significantly delayed causing us to miss our connecting flight in Houston to Mississippi causing us to be delayed by more than 6 hours and missing our event all together. Very disappointing. All because ONE crew member called in sick. United did grant us a $15 meal voucher, which was a small but appreciated concession that I wasn’t able to use because I ordered my lunch and paid for it before applying the concession, and the staff said it was too late to use it. Ugh! We also had a TWO delay coming back from Mississippi, but that was on American Airlines and it was due to weather, so not their fault. Anyway, not at all impressed with United’s handling of our flight and the HUGE disappointment of missing our important family event for our 90 year old mother. All that money and all that stress and emotions for nothing. Having to wait the hour to bring an employee from LAX seemed like something that should not have happened. Why don’t you have a local back-up? Santa Ana is not a little airport in a rural area.

Flight delayed from Cape Town to Washington then got diverted to miami and in miami we had to fend for ourselves , im still trying to get to Shreveport now

delay several times and wait extra long to board. no entertainment service because there are problem for some rows. always encounter some delays for the last flight of the day.

I just wrote a text which was supposed to be for the flight from Denver to spokane not Frankfurt to Denver.

On time every leg of the journey and exceptional staff at counter, gate, and on board. I haven’t travelled in US for a long time and was genuinely surprised how pleasant this was.

Hated every minute of it. This flight should have only taken 1.5hrs but was delayed over 10hours. Now I am being told I cannot be compensated or refunded my ticket price or extra leg room, which I purchased but did not receive, because the airline is throwing the blame on the 3rd party I purchased tickets through and 3rd party putting the blame on airline. No one wants to help. They received their money and that's all they care about. Im going on 3 days of still trying to get to my final destination, had to cancel car rental, car insurance and hotel. Currently staying in airport until hotels open up. Thank you Lufthansa, Kayak, Underpricer and United for making this trip the worst ever.

The delays (5 hrs) were a comedy of errors, and the multiple safety issues encountered were very concerning.

flight delays, staff only communicating when pushed, food service lasting a grand total of 7 minutes, stuck in seat from 45mins into flight until landing

Crew was great and did their best to make us comfortable and captain came out at the beginning to announce why the flight was delayed, weather situation up ahead, and kept us updated throughout the flight.

the flight from Tampa departed with a delay. The food on board was poor, usually on international airlines alcoholic beverages are offered free of charge , but here it was for a fee, the cutlery was wooden, there were no hot drinks (tea, coffee). Unfortunately, I didn't take pictures of the portions of food, but it wouldn't have been enough for a child either.And in the future, I will try not to use the services of this airline

Just get Economy Plus for international flights, so worth it the extra room, bigger seats…

This flight is frequently delayed. The connections seemingly are more frequently delayed. I’ve missed connections as a result twice on the same route to charlotte then Charleston. Final destination arrival has been the next day, twice in a row. No pilots, no crew. Too many excuses. Unfortunately, my days with American are over.

Entertainment was okay not because anything was wrong but it is a short flight so having no wifi is annoying but understandable. Crew was outstanding as usual

It was spectacular. I had basic Economy and was given so much space and their seats lean back so far. Staff was superb, food was superb, everything was superb, Finnair is Fantastic.

Those seats were way too narrow. I had the middle seat, one person was a very skinny person and we still couldn’t avoid touching each other anytime one of us moved. The other person was larger and we were basically sitting in each others lap the entire flight. There was zero entertainment. The flight was long enough to justify tvs, but no. Gotta sit there in your infant seat and twiddle your thumbs.

The Flight attendant had an attitude and didn't allow anyone any time to prepare for landing despite being absent throughout the entire trip

Flight boarded without pilots. Sat on plane for 3 hrs. after over an hour late boarding. Plane never took off. Had to deplane near midnight. Line for rebooking was 3 hours + long. I had to leave.

The flight was great but board was a nightmare. The gate was changed 4 times during the layover period

The experience was great and much better than the flight going out. of course I was in first class but the service was excellent

Cold air blew constantly on my legs almost making me numb.

Last minute flights from Seattle to Buenos Aires

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Seattle to Buenos Aires that are departing in the next 10 days.
4/26Fri
multi-stopAir Canada
24h 55mSEA-EZE
4/29Mon
multi-stopAir Canada
32h 28mEZE-SEA
$1,539
4/26Fri
multi-stopAir Canada
25h 15mSEA-EZE
4/29Mon
multi-stopAir Canada
32h 28mEZE-SEA
$1,558
4/26Fri
multi-stopAeromexico
31h 35mSEA-EZE
4/29Mon
multi-stopAeromexico
24h 50mEZE-SEA
$1,693
4/26Fri
multi-stop
40h 56mSEA-EZE
4/29Mon
multi-stop
38h 39mEZE-SEA
$1,775
4/26Fri
multi-stopCopa Airlines
31h 57mSEA-EZE
4/28Sun
multi-stopCopa Airlines
25h 55mEZE-SEA
$1,827
4/26Fri
multi-stopAir Canada
29h 00mSEA-EZE
4/29Mon
multi-stopAir Canada
33h 27mEZE-SEA
$1,910
4/26Fri
multi-stopLATAM Airlines
27h 55mSEA-AEP
4/29Mon
multi-stopLATAM Airlines
23h 10mAEP-SEA
$2,137
4/26Fri
multi-stop
31h 40mSEA-EZE
4/28Sun
multi-stop
23h 36mEZE-SEA
$2,442

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Seattle - Buenos Aires Flights

Departure:

Seattle (SEA)United States

Return flight deals:

Buenos Aires - Seattle

Cabin classes: