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$569+ Cheap flights from Buenos Aires (BUE) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — SEA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Buenos Aires to Seattle/Tacoma Intl are usually found in October or August, booked 41 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Buenos Aires to Seattle

Cheapest flights from Buenos Aires to Seattle
Explore the most affordable flight options available from Buenos Aires to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:07 amEZE - SEA
2 stops29h 35mMultiple Airlines
Wed 12/319:20 pmSEA - EZE
1 stop16h 55mMultiple Airlines
Deal found 12/17$1,279
This Copa Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:32 pmEZE - SEA
2 stops37h 36mCopa Airlines
Wed 1/77:30 pmSEA - EZE
2 stops24h 34mCopa Airlines
Deal found 12/17$1,281
This Cheapflightsfares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:55 pmEZE - SEA
1 stop18h 36mLATAM Airlines
Tue 12/308:15 amSEA - EZE
1 stop19h 45mLATAM Airlines
Deal found 12/16$1,313
This eDestinos deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:00 pmEZE - SEA
2 stops28h 50mMultiple Airlines
Tue 1/135:50 pmSEA - EZE
2 stops25h 15mMultiple Airlines
Deal found 12/17$1,330
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:10 amEZE - SEA
1 stop18h 06mAmerican Airlines
Wed 1/77:35 amSEA - EZE
1 stop19h 50mAmerican Airlines
Deal found 12/17$1,364
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:30 pmEZE - SEA
1 stop24h 59mAmerican Airlines
Wed 12/3111:49 amSEA - EZE
1 stop15h 41mAmerican Airlines
Deal found 12/16$1,371
This Copa Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/193:41 amEZE - SEA
2 stops25h 16mCopa Airlines
Wed 1/77:30 pmSEA - EZE
2 stops28h 05mCopa Airlines
Deal found 12/17$1,383
This LATAM Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/273:40 pmAEP - SEA
2 stops27h 35mLATAM Airlines
Thu 1/297:15 amSEA - AEP
2 stops22h 15mLATAM Airlines
Deal found 12/17$1,590
This eDestinos deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:05 pmAEP - SEA
3 stops54h 43mMultiple Airlines
Thu 1/16:00 amSEA - AEP
2 stops23h 30mMultiple Airlines
Deal found 12/15$1,795
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:55 pmAEP - SEA
2 stops31h 00mMultiple Airlines
Tue 12/3011:38 pmSEA - AEP
2 stops25h 02mMultiple Airlines
Deal found 12/16$1,825
This LATAM Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:40 pmAEP - SEA
2 stops34h 10mLATAM Airlines
Thu 1/18:45 amSEA - AEP
2 stops20h 45mLATAM Airlines
Deal found 12/15$1,910
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:25 pmAEP - SEA
2 stops22h 56mDelta
Tue 1/138:15 amSEA - AEP
2 stops23h 05mDelta
Deal found 12/17$2,001

Find flight deals from Buenos Aires to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Buenos Aires (BUE) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$1,045
(LATAM Airlines)

One-way from

$569
(Ovago)

Popular in

January

Cheapest in

October

Average price

$1,213
Provider with most accurate pricing for Buenos Aires (BUE)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buenos Aires (BUE)-Seattle/Tacoma Intl flights.
Search Deals
From Buenos Aires (BUE) to Seattle/Tacoma Intl
Search Deals
One-way flight from Buenos Aires (BUE) to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($244 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($77 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buenos Aires to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Buenos Aires to Seattle that are best for you.

Fly from

Buenos Aires

Fly to

Seattle

Route

Depart

Return

Price

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 3/31

5:32 am-10:54 pm

2 stops21h 22m

Seattle/Tacoma Intl

Wed 4/22

5:30 pm-4:16 am

2 stops30h 46m

$1,094

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 3/31

11:30 pm-11:40 pm

1 stop28h 10m

Seattle/Tacoma Intl

Wed 4/22

7:00 am-5:50 am

2 stops18h 50m

$1,107

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 6/4

4:45 pm-2:19 pm

2 stops25h 34m

Seattle/Tacoma Intl

Thu 6/25

7:20 am-6:10 am

2 stops18h 50m

$1,215

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 6/4

4:45 pm-2:19 pm

2 stops25h 34m

Seattle/Tacoma Intl

Tue 6/23

7:20 am-6:10 am

2 stops18h 50m

$1,215

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sat 1/31

11:55 pm-12:20 pm

1 stop17h 25m

Seattle/Tacoma Intl

Sat 2/7

7:10 am-10:15 am

1 stop22h 05m

$1,221

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 3/4

4:45 pm-10:16 pm

2 stops34h 31m

Seattle/Tacoma Intl

Sun 3/8

8:10 am-3:10 pm

2 stops27h 00m

$1,241

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 2/16

11:55 pm-10:07 am

1 stop39h 12m

Seattle/Tacoma Intl

Thu 2/19

11:05 pm-9:00 am

1 stop28h 55m

$1,272

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 3/4

10:05 pm-7:03 pm

2 stops25h 58m

Seattle/Tacoma Intl

Sun 3/8

6:45 am-8:20 am

1 stop21h 35m

$1,305

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Wed 3/4

3:40 pm-12:58 pm

2 stops26h 18m

Seattle/Tacoma Intl

Sun 3/8

11:30 pm-9:40 am

2 stops30h 10m

$1,310

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Mon 2/16

9:50 am-10:04 pm

3 stops65h 14m

Seattle/Tacoma Intl

Thu 2/19

5:52 pm-6:40 pm

3 stops43h 48m

$1,320

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 32 results
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Compare providers for flights from Buenos Aires to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buenos Aires to Seattle in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
GurufarePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Buenos Aires-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buenos Aires-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Buenos Aires-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buenos Aires-Seattle flights, Cheapflights users trust Gurufare the most. Gurufare has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buenos Aires-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buenos Aires to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Buenos Aires with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buenos Aires to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from Buenos Aires to Seattle. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Buenos Aires to Seattle, you should look to book at least 41 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Buenos Aires to Seattle?

Currently, December is the cheapest month in which you can book a flight from Buenos Aires to Seattle (average of $1,055). Flying from Buenos Aires to Seattle in August is currently the most expensive (average of $1,571). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated December 18, 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines, and United Airlines from Buenos Aires to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,893 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Buenos Aires to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Buenos Aires?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Buenos Aires to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from Buenos Aires; the airport handles an average of 0 inbound flights from Buenos Aires per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Seattle airport from Buenos Aires. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • How long is the flight from Buenos Aires to Seattle?

    Departing from Buenos Aires to Seattle will take you 21h 22m. There are 6911 mi between Buenos Aires and Seattle. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Buenos Aires to Seattle round-trip?

    Our cheapest airline available from Buenos Aires to Seattle is Delta. Our recent data shows that you can find tickets from as low as $934 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $1,075 and $1,219 round-trip. Delta is currently priced 33% below the average price you’ll pay for this route.

  • Can I find deals for flights from Buenos Aires to Seattle that include hotel bookings?

    Yes. In addition to deals on Buenos Aires to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buenos Aires to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buenos Aires to Seattle.

  • Can I find deals for business class flights from Buenos Aires to Seattle?

    Yes. Cheapflights offers flight deals from Buenos Aires to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, December is the cheapest month in which you can book a flight from Buenos Aires to Seattle (average of $1,055). Flying from Buenos Aires to Seattle in August is currently the most expensive (average of $1,571). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Buenos Aires to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Ministro Pistarini to Seattle flights
Jorge Newbery to Seattle flights
Ministro Pistarini to Portland flights
Jorge Newbery to Portland flights

Top 3 airlines flying from Buenos Aires to Seattle

Discover the top 3 airlines that operate flights from Buenos Aires to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$934Average$1,482FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,075Average$1,093FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,219Average$1,326FlexibilityNo cancel feeOn-time69%

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