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$461+ Cheap flights from Seattle (SEA) to Buenos Aires (BUE)

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BUE
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Buenos Aires are usually found in April or November, booked 41 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Seattle to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Buenos Aires (BUE). 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 November 21, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

December

Cheapest in

April

Round-trip from

$1,296
(Mytrip)

One-way from

$461
(Mytrip)
Provider with most accurate pricing for Seattle/Tacoma Intl-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Buenos Aires (BUE) flights.
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High demand for flights, 19% potential price rise
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Best time to find cheap flights, 12% potential price drop
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From Seattle/Tacoma Intl to Buenos Aires (BUE)
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One-way flight from Seattle/Tacoma Intl to Buenos Aires (BUE)
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Find flight deals from Seattle to Buenos Aires

Cheapest flights from Seattle to Buenos Aires
Explore the most affordable flight options available from Seattle to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Copa Airlines deal was found by Cheapflights users on 11/19. 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 12/76:25 amSEA - EZE
2 stops37h 38mCopa Airlines
Mon 12/92:31 amEZE - SEA
2 stops27h 19mCopa Airlines
Deal found 11/19$1,332
This Mytrip deal was found by Cheapflights users on 11/19. 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 12/74:00 pmSEA - EZE
3 stops28h 03mMultiple Airlines
Mon 12/912:03 amEZE - SEA
2 stops29h 07mMultiple Airlines
Deal found 11/19$1,361
This United deal was found by Cheapflights users on 11/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1411:59 pmSEA - EZE
1 stop26h 21mUnited Airlines
Mon 12/2311:55 pmEZE - SEA
2 stops26h 20mUnited Airlines
Deal found 11/20$1,447
This KAYAK deal was found by Cheapflights users on 11/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:00 amSEA - AEP
2 stops23h 30mLATAM Airlines
Wed 12/255:05 pmAEP - SEA
2 stops26h 24mLATAM Airlines
Deal found 11/20$1,474
This Mytrip deal was found by Cheapflights users on 11/19. 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 12/75:15 amSEA - AEP
3 stops31h 05mMultiple Airlines
Tue 12/1012:55 pmAEP - SEA
3 stops30h 30mMultiple Airlines
Deal found 11/19$1,587
This Delta deal was found by Cheapflights users on 11/21. 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.
Tue 12/246:15 amSEA - EZE
1 stop20h 00mDelta
Thu 1/99:15 amEZE - SEA
1 stop30h 27mDelta
Deal found 11/21$1,654
This American Airlines deal was found by Cheapflights users on 11/21. 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 12/165:23 amSEA - EZE
1 stop24h 07mAmerican Airlines
Mon 12/2310:30 pmEZE - SEA
1 stop21h 20mAmerican Airlines
Deal found 11/21$1,719
This Air Canada deal was found by Cheapflights users on 11/20. 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 12/45:45 amSEA - EZE
3 stops28h 40mAir Canada
Sat 12/75:00 pmEZE - SEA
2 stops34h 10mAir Canada
Deal found 11/20$1,820
This Flighttix deal was found by Cheapflights users on 11/19. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/612:45 amSEA - EZE
1 stop28h 45mBritish Airways
Tue 12/1010:25 pmEZE - SEA
1 stop26h 26mBritish Airways
Deal found 11/19$1,828
This Justfly.com deal was found by Cheapflights users on 11/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2210:45 pmSEA - EZE
2 stops38h 25mLATAM Airlines
Fri 1/105:36 amEZE - SEA
2 stops34h 06mLATAM Airlines
Deal found 11/20$2,014
This Delta deal was found by Cheapflights users on 11/20. 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 12/266:15 amSEA - AEP
2 stops23h 45mDelta
Thu 1/25:20 amAEP - SEA
2 stops24h 04mDelta
Deal found 11/20$3,194

Find flights from Seattle to Buenos Aires within your budget

Customize your flight search to find flights from Seattle to Buenos Aires 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Fri 1/3

2:16 pm-1:09 am

3 stops29h 53m

Buenos Aires Ministro Pistarini

Fri 1/10

8:30 pm-9:30 pm

2 stops30h 00m

$1,296

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sat 1/25

11:40 am-10:34 am

2 stops17h 54m

Buenos Aires Ministro Pistarini

Sat 2/1

10:30 pm-8:04 pm

1 stop26h 34m

$1,298

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sat 2/22

10:15 am-2:45 am

2 stops35h 30m

Buenos Aires Ministro Pistarini

Sun 3/9

7:45 am-10:56 am

2 stops31h 11m

$1,299

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Sat 1/25

10:15 am-2:40 pm

2 stops23h 25m

Buenos Aires Jorge Newbery

Sat 2/1

11:45 am-3:00 pm

2 stops32h 15m

$1,299

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 2/16

7:32 pm-7:20 am

2 stops30h 48m

Buenos Aires Ministro Pistarini

Sun 2/23

10:05 pm-12:55 am

3 stops31h 50m

$1,303

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Sat 4/12

4:30 pm-8:40 pm

3 stops24h 10m

Buenos Aires Jorge Newbery

Sun 4/20

4:10 pm-1:15 pm

2 stops25h 05m

$1,304

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sat 1/18

5:15 pm-10:13 pm

2 stops23h 58m

Buenos Aires Ministro Pistarini

Mon 1/27

4:02 am-1:05 am

2 stops26h 03m

$1,318

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 5/5

7:15 pm-2:30 pm

3 stops39h 15m

Buenos Aires Ministro Pistarini

Mon 5/19

4:35 pm-6:33 pm

3 stops29h 58m

$1,366

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 1/8

8:45 am-7:00 am

1 stop17h 15m

Buenos Aires Ministro Pistarini

Wed 1/22

9:00 pm-10:42 am

1 stop18h 42m

$1,394

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 1/1

11:51 pm-12:15 am

2 stops43h 24m

Buenos Aires Ministro Pistarini

Mon 1/27

5:50 am-8:31 pm

3 stops43h 41m

$1,676

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 24 results
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Compare providers for flights from Seattle to Buenos Aires

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 Seattle to Buenos Aires in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 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 Seattle-Buenos Aires flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Buenos Aires flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Seattle-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Buenos Aires flights, Cheapflights users trust AranGrant the most. AranGrant 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 Seattle-Buenos Aires 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 Seattle to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Seattle 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.

Travel insights for flights from Seattle to Buenos Aires

Get recent, data-driven insights about flights from Seattle to Buenos Aires including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Buenos Aires. Price data was last updated on November 15, 2024.

Booking 41 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, April is the cheapest month in which you can book a flight from Seattle to Buenos Aires (average of $795). Flying from Seattle to Buenos Aires in February is currently the most expensive (average of $1,156). 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.

What is the cheapest time of day to fly from SEA to BUE?

Find hourly flight availability from Seattle to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

It’s optimal to fly from Seattle to Buenos Aires in the afternoon. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the evening.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. 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 Buenos Aires. Reviews last updated November 21, 2024.
To help decide which airline to fly from Seattle to Buenos Aires, see what other customers have to say about LATAM Airlines, United Airlines and Copa Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,758 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,758 reviews
Delta
8.0
Very good
8,758 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Copa Airlines
7.8
Good
1,785 reviews
Delta
8.0
Very good
8,758 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LATAM Airlines
7.5
Good
1,939 reviews
Delta
8.0
Very good
8,758 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aeromexico
7.5
Good
2,004 reviews
Delta
8.0
Very good
8,758 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,172 reviews
Delta
8.0
Very good
8,758 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Buenos Aires. 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 from for flights from Seattle to Buenos Aires?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Buenos Aires. On average, Seattle/Tacoma Intl has 0 outbound flights to Buenos Aires per day from 5 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

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

    Cheapflights users have booked flights from Seattle to Buenos Aires round-trip from $1,298. Other airlines that can offer you cheap pricing are LATAM Airlines, from $1,299, and United Airlines, from $1,303. You may be able to fly from Seattle to Buenos Aires for 6% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Seattle to Buenos Aires one-way?

    The cheapest airlines for a one-way flight from Seattle to Buenos Aires are Copa Airlines ($535), Air Canada ($672), and United Airlines ($767).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Buenos Aires 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 Seattle to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from Seattle to Buenos Aires (average of $795). Flying from Seattle to Buenos Aires in February is currently the most expensive (average of $1,156). 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

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Top 5 airlines flying from Seattle to Buenos Aires

Discover the top 5 airlines that operate flights from Seattle to Buenos Aires. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$997Average$1,197FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,100Average$1,360FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$1,113Average$1,246FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,129Average$1,431FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,208Average$1,407FlexibilityNo cancel feeOn-time69%
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