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$519+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — SEA
Mar 15 — Mar 221
Sat 3/15
Sat 3/22
1 adult, Economy
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1. Tell us where you want to go
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The best prices from Buenos Aires to Seattle/Tacoma Intl are usually found in March or August, booked 77 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 March 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,134
(United Airlines)

One-way from

$519
(Kiwi.com)

Popular in

January

Cheapest in

March

Average price

$1,230
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.
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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 ($234 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($74 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 10, 2025.

This United Airlines deal was found by Cheapflights users on 3/9. 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.
Mon 5/129:00 pmEZE - SEA
2 stops40h 47mUnited Airlines
Mon 6/165:14 pmSEA - EZE
2 stops34h 46mUnited Airlines
Deal found 3/9$1,134
This LATAM Airlines deal was found by Cheapflights users on 3/9. 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 6/107:13 pmEZE - SEA
2 stops21h 26mLATAM Airlines
Tue 6/177:20 amSEA - EZE
2 stops24h 27mLATAM Airlines
Deal found 3/9$1,139
This LATAM Airlines deal was found by Cheapflights users on 3/9. 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 6/102:55 pmAEP - SEA
2 stops27h 25mLATAM Airlines
Tue 6/179:40 amSEA - AEP
2 stops25h 00mLATAM Airlines
Deal found 3/9$1,139
This Delta deal was found by Cheapflights users on 3/9. 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 9/48:10 pmEZE - SEA
1 stop28h 32mDelta
Sat 9/1311:35 pmSEA - EZE
1 stop30h 10mDelta
Deal found 3/9$1,157
This Gotogate deal was found by Cheapflights users on 3/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/244:35 pmEZE - SEA
3 stops53h 53mAir Canada
Thu 5/12:55 pmSEA - EZE
3 stops43h 35mAir Canada
Deal found 3/10$1,229
This Expedia deal was found by Cheapflights users on 3/9. 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.
Fri 6/63:55 amEZE - SEA
2 stops21h 59mMultiple Airlines
Mon 6/169:20 pmSEA - EZE
2 stops34h 27mMultiple Airlines
Deal found 3/9$1,245
This Mytrip deal was found by Cheapflights users on 3/10. 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.
Wed 4/2312:05 amAEP - SEA
3 stops41h 20mMultiple Airlines
Thu 5/15:40 amSEA - AEP
3 stops32h 40mMultiple Airlines
Deal found 3/10$1,257
This Gotogate deal was found by Cheapflights users on 3/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/233:54 amEZE - SEA
2 stops38h 05mCopa Airlines
Thu 5/16:15 amSEA - EZE
2 stops38h 32mCopa Airlines
Deal found 3/10$1,388
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Sun 3/2311:59 pmEZE - SEA
1 stop27h 27mAmerican Airlines
Wed 3/2611:55 amSEA - EZE
1 stop17h 35mAmerican Airlines
Deal found 3/9$1,650
This Orbitz deal was found by Cheapflights users on 3/9. 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.
Tue 7/111:25 pmEZE - SEA
1 stop18h 55mAeromexico
Sat 8/210:00 pmSEA - EZE
1 stop19h 25mAeromexico
Deal found 3/9$2,047
This Gurufare deal was found by Cheapflights users on 3/9. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/63:40 amAEP - SEA
2 stops24h 07mGOL
Mon 6/168:05 pmSEA - AEP
2 stops36h 55mGOL
Deal found 3/9$2,352
This Delta deal was found by Cheapflights users on 3/10. 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.
Sun 6/1512:55 amAEP - SEA
2 stops27h 10mDelta
Mon 6/2311:46 amSEA - AEP
2 stops28h 14mDelta
Deal found 3/10$2,526

Find flights from Buenos Aires to Seattle within your budget

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 10, 2025.

Fly from

Buenos Aires

Fly to

Seattle

Route

Depart

Return

Price

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 5/12

9:00 pm-9:47 am

2 stops40h 47m

Seattle/Tacoma Intl

Mon 6/16

5:14 pm-8:00 am

2 stops34h 46m

$1,134

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 6/10

7:13 pm-12:39 pm

2 stops21h 26m

Seattle/Tacoma Intl

Tue 6/17

7:20 am-11:47 am

2 stops24h 27m

$1,139

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Tue 6/10

2:55 pm-2:20 pm

2 stops27h 25m

Seattle/Tacoma Intl

Tue 6/17

9:40 am-2:40 pm

2 stops25h 00m

$1,139

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 9/4

8:10 pm-8:42 pm

1 stop28h 32m

Seattle/Tacoma Intl

Sat 9/13

11:35 pm-9:45 am

1 stop30h 10m

$1,157

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 4/24

4:35 pm-6:28 pm

3 stops53h 53m

Seattle/Tacoma Intl

Thu 5/1

2:55 pm-2:30 pm

3 stops43h 35m

$1,229

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Fri 6/6

3:55 am-9:54 pm

2 stops21h 59m

Seattle/Tacoma Intl

Mon 6/16

9:20 pm-11:47 am

2 stops34h 27m

$1,245

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Wed 4/23

12:05 am-1:25 pm

3 stops41h 20m

Seattle/Tacoma Intl

Thu 5/1

5:40 am-6:20 pm

3 stops32h 40m

$1,257

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 4/23

3:54 am-1:59 pm

2 stops38h 05m

Seattle/Tacoma Intl

Thu 5/1

6:15 am-12:47 am

2 stops38h 32m

$1,388

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sun 3/23

11:59 pm-11:26 pm

1 stop27h 27m

Seattle/Tacoma Intl

Wed 3/26

11:55 am-9:30 am

1 stop17h 35m

$1,650

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 7/1

11:25 pm-2:20 pm

1 stop18h 55m

Seattle/Tacoma Intl

Sat 8/2

10:00 pm-9:25 pm

1 stop19h 25m

$2,047

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 24 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 March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
GurufarePrice 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 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.

Travel insights for flights from Buenos Aires to Seattle

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

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 March 7, 2025.

To ensure you get the cheapest price possible for a flight from Buenos Aires to Seattle, you should look to book at least 77 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, 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 July is currently the most expensive (average of $411). 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.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 10, 2025.
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Copa Airlines
7.6
Good
1,430 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LATAM Airlines
7.5
Good
1,762 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aeromexico
7.5
Good
1,727 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,631 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    Our cheapest airline available from Buenos Aires to Seattle is United Airlines. Our recent data shows that you can find tickets from as low as $1,134 on this airline. Additional options worth looking into are LATAM Airlines and Delta, starting at $1,139 and $1,157 round-trip. United Airlines is currently priced 21% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Buenos Aires to Seattle are Copa Airlines ($659), Air Canada ($804), and American Airlines ($832).

  • 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 July is currently the most expensive (average of $411). 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 Buenos Aires?

Book flights to Buenos Aires if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Lacey
Ocean Shores
Tacoma
Leavenworth
Federal Way
Lakewood
Centralia
Olympia
Cle Elum
Mukilteo
Aberdeen
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale
Redmond

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 airline flying from Buenos Aires to Seattle

Discover the top airline 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 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,158Average$1,481FlexibilityNo cancel feeOn-time69%
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