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$608+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — SEA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Buenos Aires to Seattle/Tacoma Intl are usually found in August or April, booked 1 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 September 16, 2025.

Round-trip from

$998
(FlightHub)

One-way from

$608
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$1,387
From Buenos Aires (BUE) to Seattle/Tacoma Intl
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One-way flight from Buenos Aires (BUE) to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 14% potential increase in price ($237 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($74 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 16, 2025.

This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/84:35 pmEZE - SEA
3 stops44h 46mAir Canada
Sat 10/1810:00 amSEA - EZE
3 stops48h 30mAir Canada
Deal found 9/14$998
This OneTravel deal was found by Cheapflights users on 9/15. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:43 pmEZE - SEA
2 stops21h 17mLATAM Airlines
Thu 11/610:10 amSEA - EZE
2 stops27h 33mLATAM Airlines
Deal found 9/15$1,002
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:43 pmEZE - SEA
2 stops22h 17mLATAM Airlines
Thu 1/18:35 amSEA - EZE
2 stops19h 40mLATAM Airlines
Deal found 9/13$1,020
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:55 pmEZE - SEA
1 stop18h 23mDelta
Wed 1/77:20 amSEA - EZE
1 stop21h 55mDelta
Deal found 9/16$1,033
This LATAM Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 12/164:05 amEZE - SEA
2 stops24h 53mLATAM Airlines
Wed 1/711:35 pmSEA - EZE
2 stops34h 20mLATAM Airlines
Deal found 9/14$1,042
This LATAM Airlines deal was found by Cheapflights users on 9/13. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/205:15 pmAEP - SEA
2 stops24h 30mLATAM Airlines
Thu 1/18:35 amSEA - AEP
2 stops20h 55mLATAM Airlines
Deal found 9/13$1,042
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:05 pmEZE - SEA
2 stops25h 00mUnited Airlines
Thu 11/67:10 amSEA - EZE
1 stop21h 10mUnited Airlines
Deal found 9/15$1,046
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:35 pmEZE - SEA
3 stops49h 56mAir Canada
Sat 11/18:00 pmSEA - EZE
3 stops39h 10mAir Canada
Deal found 9/16$1,052
This Copa Airlines deal was found by Cheapflights users on 9/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/255:08 amEZE - SEA
2 stops20h 45mCopa Airlines
Sat 11/15:20 pmSEA - EZE
2 stops30h 50mCopa Airlines
Deal found 9/16$1,077
This Copa Airlines deal was found by Cheapflights users on 9/15. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/282:33 pmEZE - SEA
2 stops35h 20mCopa Airlines
Sat 10/255:31 pmSEA - EZE
2 stops34h 23mCopa Airlines
Deal found 9/15$1,084
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/3110:30 pmEZE - SEA
1 stop27h 18mAmerican Airlines
Thu 11/612:59 amSEA - EZE
1 stop26h 11mAmerican Airlines
Deal found 9/16$1,087
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 10/258:30 pmEZE - SEA
2 stops21h 42mAmerican Airlines
Sat 11/15:22 amSEA - EZE
1 stop22h 58mAmerican Airlines
Deal found 9/16$1,089

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 September 16, 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

Thu 10/30

7:43 pm-1:00 pm

2 stops21h 17m

Seattle/Tacoma Intl

Thu 11/6

10:10 am-6:43 pm

2 stops27h 33m

$1,002

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 12/17

8:55 pm-10:18 am

1 stop18h 23m

Seattle/Tacoma Intl

Wed 1/7

6:00 am-10:15 am

2 stops23h 15m

$1,033

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 10/30

8:25 pm-2:38 pm

2 stops22h 13m

Seattle/Tacoma Intl

Thu 11/6

11:28 am-6:40 pm

2 stops26h 12m

$1,042

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 11/20

5:15 pm-12:45 pm

2 stops24h 30m

Seattle/Tacoma Intl

Thu 1/1

8:35 am-10:30 am

2 stops20h 55m

$1,042

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Wed 10/8

3:40 pm-6:58 pm

2 stops31h 18m

Seattle/Tacoma Intl

Sat 10/18

9:59 pm-9:40 am

2 stops31h 41m

$1,127

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Tue 10/7

6:20 pm-9:47 pm

2 stops31h 27m

Seattle/Tacoma Intl

Sat 10/18

9:59 pm-9:40 am

2 stops31h 41m

$1,127

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Fri 10/31

3:40 pm-2:38 pm

2 stops26h 58m

Seattle/Tacoma Intl

Fri 11/7

8:00 am-10:30 am

2 stops21h 30m

$1,151

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 10/23

5:05 pm-10:30 pm

2 stops57h 25m

Seattle/Tacoma Intl

Thu 10/30

4:30 pm-6:40 pm

2 stops22h 10m

$1,202

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sun 9/28

5:55 am-9:51 pm

2 stops43h 56m

$608

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sat 9/27

3:48 am-11:56 am

2 stops36h 08m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 15 results
1
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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, January is the cheapest month in which you can book a flight from Buenos Aires to Seattle (average of $238). Flying from Buenos Aires to Seattle in June is currently the most expensive (average of $387). 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.

How much does it cost to fly round-trip from Buenos Aires to Seattle?

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 September 16, 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
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
LATAM Airlines
7.5
Good
1,847 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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 18h 23m. 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 35% 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, January is the cheapest month in which you can book a flight from Buenos Aires to Seattle (average of $238). Flying from Buenos Aires to Seattle in June is currently the most expensive (average of $387). 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
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
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 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$934Average$1,482FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,075Average$1,124FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,219Average$1,475FlexibilityNo cancel feeOn-time69%

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