Washington

$433+ Cheap flights from Buenos Aires (BUE) to Washington

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — SEA
Dec 3 — Dec 101
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Cheap flight deals from Buenos Aires to Washington

Keep the following information in mind while searching for Buenos Aires to Washington flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$965
(American Airlines)

One-way from

$433
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$1,526
Provider with most accurate pricing for Buenos Aires (BUE)-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Buenos Aires (BUE)-Seattle/Tacoma Intl flights.
From Buenos Aires (BUE) to Washington
One-way flight from Buenos Aires (BUE) to Washington
Highest demand for flights based on searches. 14% potential increase in price ($251 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($74 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Find flight deals from Buenos Aires to Washington

Cheapest flights from Buenos Aires to Washington
Explore the most affordable flight options available from Buenos Aires to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:25 pmEZE - SEA
1 stop21h 34mAmerican Airlines
Wed 11/265:24 amSEA - EZE
1 stop21h 56mAmerican Airlines
Deal found 11/1$965
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 12/179:40 pmEZE - SEA
2 stops21h 31mAmerican Airlines
Wed 1/77:35 amSEA - EZE
2 stops19h 40mAmerican Airlines
Deal found 11/2$969
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:55 pmEZE - PDX
1 stop24h 48mUnited Airlines
Sat 2/712:57 pmPDX - EZE
1 stop15h 23mUnited Airlines
Deal found 11/1$1,007
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:55 pmEZE - SEA
1 stop25h 55mDelta
Wed 1/710:55 pmSEA - EZE
1 stop29h 05mDelta
Deal found 11/1$1,012
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:10 amEZE - PDX
1 stop18h 42mAmerican Airlines
Wed 12/2410:39 pmPDX - EZE
1 stop29h 51mAmerican Airlines
Deal found 11/1$1,020
This LATAM Airlines deal was found by Cheapflights users on 11/2. 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 12/163:40 pmAEP - SEA
2 stops26h 00mLATAM Airlines
Mon 12/298:45 amSEA - AEP
2 stops20h 45mLATAM Airlines
Deal found 11/2$1,021
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:40 pmEZE - PDX
2 stops20h 54mAmerican Airlines
Tue 12/2310:49 pmPDX - EZE
1 stop27h 41mAmerican Airlines
Deal found 11/1$1,025
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1011:20 pmEZE - SEA
2 stops21h 11mAmerican Airlines
Sun 11/2311:34 amSEA - EZE
1 stop15h 46mAmerican Airlines
Deal found 11/1$1,062
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1410:30 pmEZE - PDX
1 stop17h 34mAmerican Airlines
Tue 12/2310:49 pmPDX - EZE
1 stop27h 41mAmerican Airlines
Deal found 11/1$1,070
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 12/2010:05 pmEZE - SEA
1 stop31h 29mUnited Airlines
Sun 1/411:59 pmSEA - EZE
1 stop28h 21mUnited Airlines
Deal found 11/2$1,102
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 12/2010:05 pmEZE - SEA
1 stop31h 29mUnited Airlines
Wed 1/78:10 amSEA - EZE
2 stops42h 10mUnited Airlines
Deal found 11/2$1,111
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/152:45 amEZE - SEA
2 stops24h 45mMultiple Airlines
Mon 12/299:20 pmSEA - EZE
1 stop16h 55mMultiple Airlines
Deal found 11/2$1,120

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buenos Aires to Washington 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 November 3, 2025.
Use the filters below to find and compare flights from Buenos Aires to Washington that are best for you.

Fly from

Buenos Aires

Fly to

Washington

Route

Depart

Return

Price

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 12/15

10:30 pm-1:06 pm

1 stop19h 36m

Seattle/Tacoma Intl

Mon 12/29

7:07 am-8:30 am

1 stop20h 23m

$965

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 12/16

10:30 pm-1:06 pm

1 stop19h 36m

Seattle/Tacoma Intl

Mon 12/29

11:49 am-8:30 am

1 stop15h 41m

$965

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 12/17

9:40 pm-1:00 pm

2 stops20h 20m

Seattle/Tacoma Intl

Wed 1/7

7:35 am-7:10 am

2 stops18h 35m

$969

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 11/19

10:25 pm-2:08 pm

2 stops20h 43m

Seattle/Tacoma Intl

Wed 11/26

9:46 am-8:20 am

2 stops17h 34m

$969

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Thu 12/25

11:55 pm-7:43 pm

1 stop24h 48m

Portland

Sat 2/7

12:57 pm-9:20 am

1 stop15h 23m

$1,007

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 12/17

8:55 pm-2:35 pm

1 stop22h 40m

Seattle/Tacoma Intl

Wed 1/7

9:59 pm-10:15 am

1 stop31h 16m

$1,012

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Wed 12/17

10:10 am-11:52 pm

1 stop18h 42m

Portland

Wed 12/24

10:39 pm-9:30 am

1 stop29h 51m

$1,020

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Tue 12/16

3:40 pm-12:40 pm

2 stops26h 00m

Seattle/Tacoma Intl

Mon 12/29

8:45 am-10:30 am

2 stops20h 45m

$1,021

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Tue 12/16

11:59 pm-11:52 pm

1 stop28h 53m

Portland

Tue 12/23

10:49 pm-7:30 am

1 stop27h 41m

$1,036

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Tue 1/20

12:15 pm-12:04 pm

2 stops28h 49m

Portland

Sat 2/28

1:00 pm-2:50 am

2 stops56h 50m

$1,048

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 45 results
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Best time to book a flight from Buenos Aires to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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 Washington

What is the cheapest month to book a flight from Buenos Aires to State of Washington?

Currently, December is the cheapest month in which you can book a flight from Buenos Aires to State of Washington (average of $1,067). Flying from Buenos Aires to State of Washington in April is currently the most expensive (average of $2,029). 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 Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated November 3, 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines, and United Airlines from Buenos Aires to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

Related info for your journey

Find useful and relevant information for your journey from Buenos Aires to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Buenos Aires to State of Washington?

    A quick flight from Buenos Aires to State of Washington can take about 19h 36m. American Airlines provides one of the quickest options available for as low as $965. The distance from Buenos Aires to State of Washington is about 6911 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Buenos Aires to State of Washington?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Buenos Aires to Washington 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 State of Washington?

    Currently, December is the cheapest month in which you can book a flight from Buenos Aires to State of Washington (average of $1,067). Flying from Buenos Aires to State of Washington in April is currently the most expensive (average of $2,029). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Buenos Aires to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Buenos Aires to Washington

Discover the top 3 airlines that operate flights from Buenos Aires to Washington. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$934Average$1,440FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,075Average$1,124FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,219Average$1,326FlexibilityNo cancel feeOn-time69%

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