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$556+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — SEA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:05 pmEZE - PDX
2 stops24h 26mUnited Airlines
Sat 2/77:51 pmPDX - EZE
2 stops30h 29mUnited Airlines
Deal found 12/16$1,240
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/2312:07 amEZE - SEA
2 stops29h 35mMultiple Airlines
Wed 12/319:20 pmSEA - EZE
1 stop16h 55mMultiple Airlines
Deal found 12/17$1,279
This Copa Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/172:32 pmEZE - SEA
2 stops37h 36mCopa Airlines
Wed 1/77:30 pmSEA - EZE
2 stops24h 34mCopa Airlines
Deal found 12/17$1,281
This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:55 pmEZE - SEA
1 stop18h 36mLATAM Airlines
Tue 12/308:15 amSEA - EZE
1 stop19h 45mLATAM Airlines
Deal found 12/16$1,313
This eDestinos deal was found by Cheapflights users on 12/17. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:00 pmEZE - SEA
2 stops28h 50mMultiple Airlines
Tue 1/135:50 pmSEA - EZE
2 stops25h 15mMultiple Airlines
Deal found 12/17$1,330
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/2010:10 amEZE - PDX
1 stop19h 49mAmerican Airlines
Tue 12/307:00 amPDX - EZE
1 stop20h 30mAmerican Airlines
Deal found 12/16$1,346
This Delta deal was found by Cheapflights users on 12/17. 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 12/2511:55 pmEZE - PDX
1 stop27h 24mDelta
Sat 2/76:50 amPDX - EZE
1 stop21h 10mDelta
Deal found 12/17$1,360
This American Airlines deal was found by Cheapflights users on 12/17. 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 - SEA
1 stop18h 06mAmerican Airlines
Wed 1/77:35 amSEA - EZE
1 stop19h 50mAmerican Airlines
Deal found 12/17$1,364
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/2210:30 pmEZE - SEA
1 stop24h 59mAmerican Airlines
Wed 12/3111:49 amSEA - EZE
1 stop15h 41mAmerican Airlines
Deal found 12/16$1,371
This Copa Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/193:41 amEZE - SEA
2 stops25h 16mCopa Airlines
Wed 1/77:30 pmSEA - EZE
2 stops28h 05mCopa Airlines
Deal found 12/17$1,383
This LATAM Airlines deal was found by Cheapflights users on 12/16. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:55 pmAEP - PDX
2 stops25h 06mLATAM Airlines
Sat 2/76:25 amPDX - AEP
2 stops20h 30mLATAM Airlines
Deal found 12/16$1,403
This LATAM Airlines deal was found by Cheapflights users on 12/16. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:40 pmAEP - PDX
2 stops25h 55mLATAM Airlines
Tue 12/305:11 pmPDX - AEP
2 stops20h 29mLATAM Airlines
Deal found 12/16$1,476

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$1,045
(LATAM Airlines)

One-way from

$556
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$1,213
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 Washington
Search Deals
One-way flight from Buenos Aires (BUE) to Washington
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($244 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($77 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Tue 3/31

5:32 am-10:54 pm

2 stops21h 22m

Seattle/Tacoma Intl

Wed 4/22

5:30 pm-4:16 am

2 stops30h 46m

$1,094

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 3/31

11:30 pm-11:40 pm

1 stop28h 10m

Seattle/Tacoma Intl

Wed 4/22

7:00 am-5:50 am

2 stops18h 50m

$1,107

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 6/4

4:45 pm-2:19 pm

2 stops25h 34m

Seattle/Tacoma Intl

Thu 6/25

7:20 am-6:10 am

2 stops18h 50m

$1,215

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 6/4

4:45 pm-2:19 pm

2 stops25h 34m

Seattle/Tacoma Intl

Tue 6/23

7:20 am-6:10 am

2 stops18h 50m

$1,215

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sat 1/31

11:55 pm-12:20 pm

1 stop17h 25m

Seattle/Tacoma Intl

Sat 2/7

7:10 am-10:15 am

1 stop22h 05m

$1,221

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 3/4

4:45 pm-10:16 pm

2 stops34h 31m

Seattle/Tacoma Intl

Sun 3/8

8:10 am-3:10 pm

2 stops27h 00m

$1,241

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 2/16

11:55 pm-10:07 am

1 stop39h 12m

Seattle/Tacoma Intl

Thu 2/19

11:05 pm-9:00 am

1 stop28h 55m

$1,272

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 3/4

10:05 pm-7:03 pm

2 stops25h 58m

Seattle/Tacoma Intl

Sun 3/8

6:45 am-8:20 am

1 stop21h 35m

$1,305

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Wed 3/4

3:40 pm-12:58 pm

2 stops26h 18m

Seattle/Tacoma Intl

Sun 3/8

11:30 pm-9:40 am

2 stops30h 10m

$1,310

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Mon 2/16

9:50 am-10:04 pm

3 stops65h 14m

Seattle/Tacoma Intl

Thu 2/19

5:52 pm-6:40 pm

3 stops43h 48m

$1,320

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 52 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 $1,055). Flying from Buenos Aires to State of Washington in August is currently the most expensive (average of $1,571). 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 December 18, 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.
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

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
8,009 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

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
7.5
Good
1,893 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

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
9,095 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

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
7.2
Good
11,054 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

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 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 21h 22m. Copa Airlines provides one of the quickest options available for as low as $1,094. 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?

    When deciding which route to take from Buenos Aires to State of Washington consider Buenos Aires Ministro Pistarini - Seattle/Tacoma Intl, Buenos Aires Jorge Newbery - Seattle/Tacoma Intl or Buenos Aires Ministro Pistarini - Portland as they are the most popular.

  • 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 $1,055). Flying from Buenos Aires to State of Washington in August is currently the most expensive (average of $1,571). 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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Alternative routes for Buenos Aires to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$934Average$1,482FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,075Average$1,093FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,219Average$1,326FlexibilityNo cancel feeOn-time69%

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