HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$558+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — SEA
Apr 3 — Apr 101
Fri 4/3
Fri 4/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buenos Aires to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 4, 2026.

This Trip.com deal was found by Cheapflights users on 2/27. 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.
Sat 5/27:21 pm
EZE
-
SEA
2 stops26h 36m
Multiple Airlines
Sat 5/910:42 am
SEA
-
EZE
2 stops20h 48m
Multiple Airlines
Deal found 2/27$910
This Trip.com deal was found by Cheapflights users on 2/27. 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.
Sat 5/23:45 pm
AEP
-
SEA
2 stops30h 12m
Multiple Airlines
Sat 5/910:42 am
SEA
-
AEP
2 stops24h 08m
Multiple Airlines
Deal found 2/27$940
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/141:10 pm
EZE
-
SEA
1 stop36h 53m
Multiple Airlines
Wed 4/299:41 pm
SEA
-
EZE
2 stops24h 49m
Multiple Airlines
Deal found 3/3$965
This American Airlines deal was found by Cheapflights users on 2/27. 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.
Tue 3/1010:25 pm
EZE
-
SEA
1 stop26h 51m
American Airlines
Tue 3/2411:45 am
SEA
-
EZE
1 stop16h 35m
American Airlines
Deal found 2/27$967
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/141:10 pm
EZE
-
SEA
1 stop36h 53m
Multiple Airlines
Thu 4/303:21 pm
SEA
-
EZE
2 stops32h 02m
Multiple Airlines
Deal found 3/3$968
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Wed 4/151:10 pm
EZE
-
SEA
1 stop36h 53m
Multiple Airlines
Wed 4/293:55 pm
SEA
-
EZE
2 stops26h 30m
Multiple Airlines
Deal found 3/3$969
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Wed 4/151:10 pm
EZE
-
SEA
1 stop36h 53m
Multiple Airlines
Thu 4/303:21 pm
SEA
-
EZE
2 stops32h 02m
Multiple Airlines
Deal found 3/3$972
This Kiwi.com deal was found by Cheapflights users on 3/1. 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.
Wed 4/151:10 pm
EZE
-
SEA
1 stop36h 53m
Multiple Airlines
Wed 4/223:55 pm
SEA
-
EZE
2 stops26h 30m
Multiple Airlines
Deal found 3/1$989
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/141:10 pm
EZE
-
SEA
1 stop36h 53m
Multiple Airlines
Mon 4/279:41 pm
SEA
-
EZE
2 stops23h 09m
Multiple Airlines
Deal found 3/3$993
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/141:10 pm
EZE
-
SEA
1 stop36h 53m
Multiple Airlines
Sat 4/2510:57 am
SEA
-
EZE
2 stops31h 28m
Multiple Airlines
Deal found 3/3$996
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Wed 4/151:10 pm
EZE
-
SEA
1 stop36h 53m
Multiple Airlines
Sat 4/2510:57 am
SEA
-
EZE
2 stops31h 28m
Multiple Airlines
Deal found 3/3$1,000
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/131:10 pm
EZE
-
SEA
2 stops32h 32m
Multiple Airlines
Tue 4/287:55 am
SEA
-
EZE
1 stop21h 25m
Multiple Airlines
Deal found 3/3$1,003

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 March 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$910
(Trip.com)

One-way from

$558
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$1,042
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. 4% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 4, 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

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 3/10

10:25 pm-7:46 pm

1 stop25h 21m

Seattle/Tacoma Intl

Tue 3/17

9:25 am-10:15 am

2 stops20h 50m

$1,014

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 5/19

2:49 pm-7:48 pm

2 stops32h 59m

Seattle/Tacoma Intl

Thu 5/28

3:33 pm-10:25 pm

2 stops26h 52m

$1,122

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 5/19

2:49 pm-7:48 pm

2 stops32h 59m

Seattle/Tacoma Intl

Tue 6/2

5:20 pm-4:15 am

2 stops30h 55m

$1,122

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 5/19

2:49 pm-7:48 pm

2 stops32h 59m

Seattle/Tacoma Intl

Sat 5/30

3:30 pm-12:50 am

2 stops29h 20m

$1,135

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 4/13

1:10 pm-3:42 pm

2 stops30h 32m

Seattle/Tacoma Intl

Mon 4/20

7:40 am-9:45 am

2 stops22h 05m

$1,206

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Fri 5/8

12:15 pm-12:35 pm

2 stops28h 20m

Seattle/Tacoma Intl

Fri 5/22

7:50 am-11:30 am

2 stops23h 40m

$1,226

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Fri 5/8

3:45 pm-12:35 pm

2 stops24h 50m

Seattle/Tacoma Intl

Fri 5/22

7:50 am-2:50 pm

2 stops27h 00m

$1,226

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Fri 5/8

7:00 am-2:39 pm

3 stops35h 39m

Seattle/Tacoma Intl

Fri 5/22

11:59 pm-1:00 pm

3 stops33h 01m

$1,227

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Fri 5/8

9:00 pm-7:00 pm

2 stops26h 00m

Seattle/Tacoma Intl

Fri 5/22

5:00 am-8:00 am

1 stop23h 00m

$1,237

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Mon 3/9

5:00 pm-11:22 am

3 stops46h 22m

Seattle/Tacoma Intl

Mon 3/16

10:00 pm-8:30 am

3 stops30h 30m

$1,266

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 29 resultsSorted by cheapest first
1
2
3

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 March.
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
No data available for this route at this time. Please check back soon.

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 March 4, 2026.
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
8,246 reviews

Comfort

7.9

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
8,246 reviews
Delta
7.9
Good
8,246 reviews

Comfort

7.9

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
7.4
Good
1,916 reviews
Delta
7.9
Good
8,246 reviews

Comfort

7.9

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
9,382 reviews
Delta
7.9
Good
8,246 reviews

Comfort

7.9

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
11,380 reviews
Delta
7.9
Good
8,246 reviews

Comfort

7.9

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

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 24h 50m. There are 6901 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 28% 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.

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
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

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 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 March 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$934Average$1,440FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,075Average$1,093FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,219Average$1,246FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.