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$514+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — SEA
May 17 — May 241
Sun 5/17
Sun 5/24
1 adult, Economy
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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 April 17, 2026.

This Trip.com deal was found by Cheapflights users on 4/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:30 am
EZE
-
SEA
2 stops23h 19m
Multiple Airlines
Fri 6/57:55 am
SEA
-
EZE
2 stops36h 30m
Multiple Airlines
Deal found 4/14$984
This eDestinos deal was found by Cheapflights users on 4/16. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:10 pm
EZE
-
SEA
2 stops40h 29m
Multiple Airlines
Sun 5/177:55 am
SEA
-
EZE
2 stops39h 28m
Multiple Airlines
Deal found 4/16$1,115
This Orbitz deal was found by Cheapflights users on 4/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:35 pm
EZE
-
SEA
3 stops49h 47m
Air Canada
Thu 9/247:20 pm
SEA
-
EZE
3 stops39h 10m
Air Canada
Deal found 4/14$1,128
This eDestinos deal was found by Cheapflights users on 4/16. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:25 pm
EZE
-
SEA
3 stops48h 24m
Multiple Airlines
Wed 9/303:29 pm
SEA
-
EZE
2 stops55h 54m
Multiple Airlines
Deal found 4/16$1,133
This Air Canada deal was found by Cheapflights users on 4/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:45 pm
EZE
-
SEA
2 stops34h 31m
Air Canada
Mon 11/307:05 pm
SEA
-
EZE
3 stops39h 05m
Air Canada
Deal found 4/16$1,137
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 5/121:10 pm
EZE
-
SEA
1 stop36h 39m
Multiple Airlines
Tue 5/197:55 am
SEA
-
EZE
2 stops42h 50m
Multiple Airlines
Deal found 4/12$1,140
This FlightHub deal was found by Cheapflights users on 4/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/64:35 pm
EZE
-
SEA
3 stops45h 32m
Air Canada
Tue 8/188:00 am
SEA
-
EZE
2 stops26h 30m
Air Canada
Deal found 4/16$1,142
This eDestinos deal was found by Cheapflights users on 4/16. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:00 am
EZE
-
SEA
2 stops35h 25m
Multiple Airlines
Wed 10/149:40 pm
SEA
-
EZE
2 stops49h 43m
Multiple Airlines
Deal found 4/16$1,158
This eDestinos deal was found by Cheapflights users on 4/13. 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.
Mon 9/2111:25 pm
EZE
-
SEA
3 stops48h 24m
Multiple Airlines
Wed 10/218:05 am
SEA
-
EZE
2 stops39h 40m
Multiple Airlines
Deal found 4/13$1,167
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:40 pm
EZE
-
SEA
1 stop27h 09m
Multiple Airlines
Mon 6/153:38 pm
SEA
-
EZE
2 stops32h 07m
Multiple Airlines
Deal found 4/15$1,182
This LATAM Airlines deal was found by Cheapflights users on 4/16. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:21 pm
EZE
-
SEA
2 stops21h 06m
LATAM Airlines
Tue 8/188:25 am
SEA
-
EZE
1 stop20h 55m
LATAM Airlines
Deal found 4/16$1,187
This LATAM Airlines deal was found by Cheapflights users on 4/14. 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 8/63:45 pm
AEP
-
SEA
2 stops26h 58m
LATAM Airlines
Tue 8/189:30 am
SEA
-
AEP
2 stops30h 10m
LATAM Airlines
Deal found 4/14$1,301

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 April 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$984
(Trip.com)

One-way from

$514
(Kiwi.com)

Popular in

November

Cheapest in

April

Average price

$990
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. 3% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 17, 2026.
Use the filters below to find and compare flights from Buenos Aires to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 9/17

4:35 pm-9:04 pm

2 stops32h 29m

Seattle/Tacoma Intl

Wed 9/30

8:00 am-2:30 pm

2 stops26h 30m

$1,128

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 8/20

12:15 pm-12:58 pm

2 stops28h 43m

Seattle/Tacoma Intl

Wed 9/2

8:25 am-9:20 am

1 stop20h 55m

$1,187

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 8/20

4:35 pm-10:07 am

3 stops45h 32m

Seattle/Tacoma Intl

Wed 9/2

8:00 am-2:30 pm

2 stops26h 30m

$1,212

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 9/21

4:35 pm-9:52 am

3 stops45h 17m

Seattle/Tacoma Intl

Wed 10/21

8:00 am-2:30 pm

2 stops26h 30m

$1,212
Quickest round-trip

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 9/21

9:00 pm-12:40 pm

1 stop19h 40m

Seattle/Tacoma Intl

Wed 10/21

10:40 am-8:00 am

1 stop17h 20m

$1,292

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 8/6

3:45 pm-12:27 pm

2 stops24h 42m

Seattle/Tacoma Intl

Tue 8/18

9:30 am-2:50 pm

2 stops25h 20m

$1,301

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 9/17

8:05 pm-9:59 pm

2 stops29h 54m

Seattle/Tacoma Intl

Wed 9/30

8:25 am-2:50 pm

2 stops26h 25m

$1,323

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sun 9/20

8:10 pm-8:38 pm

1 stop28h 28m

Seattle/Tacoma Intl

Tue 10/20

8:05 am-9:20 am

1 stop21h 15m

$1,356

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sun 5/10

9:00 pm-7:44 pm

1 stop26h 44m

Seattle/Tacoma Intl

Sun 5/17

11:59 pm-8:00 am

1 stop28h 01m

$1,479

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 7/16

3:45 pm-2:48 pm

2 stops27h 03m

Seattle/Tacoma Intl

Mon 8/3

10:05 am-7:40 pm

2 stops29h 35m

$1,512

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 36 resultsSorted by cheapest first
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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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buenos Aires-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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

Currently, June is the cheapest month in which you can book a flight from Buenos Aires to Seattle (average of $871). Flying from Buenos Aires to Seattle in November is currently the most expensive (average of $1,431). 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 April 17, 2026.
Peruse reviews from past customers who have flown with Delta and American 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
8,406 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

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
8,406 reviews
Delta
7.9
Good
8,406 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

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
7.1
Good
11,593 reviews
Delta
7.9
Good
8,406 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

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 2 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 19h 40m. 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. An additional option worth looking into is American Airlines, starting at $1,075. Delta is currently priced 27% 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, June is the cheapest month in which you can book a flight from Buenos Aires to Seattle (average of $871). Flying from Buenos Aires to Seattle in November is currently the most expensive (average of $1,431). 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
SeaTac
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Kent
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Portland flights

Top 2 airlines flying from Buenos Aires to Seattle

Discover the top 2 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 April 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$934Average$1,440FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,075Average$1,124FlexibilityNo cancel feeOn-time71%

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