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$375+ Cheap flights from Washington to Argentina

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EZE
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Washington to Argentina

Keep the following information in mind while searching for Washington to Argentina flight deals. Data was last updated September 16, 2025.

Round-trip from

$933
(Trip.com)

One-way from

$375
(Kiwi.com)

Popular in

December

Cheapest in

June

Average price

$1,300
From Washington to Argentina
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One-way flight from Washington to Argentina
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Highest demand for flights based on searches. 4% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($24 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 Washington to Argentina

Cheapest flights from Washington to Argentina
Explore the most affordable flight options available from Washington to Argentina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:08 amSEA - AEP
2 stops28h 32mMultiple Airlines
Thu 11/68:25 pmAEP - SEA
2 stops28h 12mMultiple Airlines
Deal found 9/15$933
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:30 amSEA - EZE
1 stop30h 45mMultiple Airlines
Wed 12/108:00 amEZE - SEA
1 stop19h 30mMultiple Airlines
Deal found 9/14$955
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:53 amSEA - MDZ
2 stops41h 47mMultiple Airlines
Thu 11/67:50 amMDZ - SEA
2 stops43h 40mMultiple Airlines
Deal found 9/15$1,003
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:08 amSEA - EZE
2 stops36h 42mMultiple Airlines
Thu 11/67:43 pmEZE - SEA
2 stops28h 54mMultiple Airlines
Deal found 9/15$1,003
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:18 pmPDX - AEP
2 stops22h 42mMultiple Airlines
Thu 11/68:25 pmAEP - PDX
2 stops20h 58mMultiple Airlines
Deal found 9/14$1,005
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:53 amSEA - COR
2 stops41h 27mMultiple Airlines
Thu 11/67:25 amCOR - SEA
2 stops44h 05mMultiple Airlines
Deal found 9/15$1,016
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.
Sat 10/1111:10 pmSEA - COR
2 stops27h 00mLATAM Airlines
Mon 11/34:20 pmCOR - SEA
2 stops25h 42mLATAM Airlines
Deal found 9/13$1,025
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.
Wed 10/811:10 pmSEA - COR
2 stops27h 00mLATAM Airlines
Sun 11/26:20 pmCOR - SEA
2 stops31h 25mLATAM Airlines
Deal found 9/13$1,031
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/119:59 pmSEA - COR
2 stops27h 21mDelta
Wed 10/297:55 amCOR - SEA
2 stops30h 23mDelta
Deal found 9/13$1,035
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/811:29 amSEA - COR
2 stops37h 51mDelta
Fri 10/317:55 amCOR - SEA
2 stops34h 06mDelta
Deal found 9/13$1,047
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1311:10 pmSEA - COR
2 stops49h 10mDelta
Fri 10/317:55 amCOR - SEA
2 stops30h 23mDelta
Deal found 9/13$1,051
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:50 pmSEA - EZE
2 stops27h 00mMultiple Airlines
Mon 12/1511:00 amEZE - SEA
1 stop40h 30mMultiple Airlines
Deal found 9/14$1,074

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Argentina 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 Washington to Argentina that are best for you.

Fly from

Washington

Fly to

Argentina

Route

Depart

Return

Price

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Thu 10/30

10:08 am-6:40 pm

2 stops28h 32m

Buenos Aires Jorge Newbery

Thu 11/6

8:25 pm-7:37 pm

2 stops28h 12m

$933

SeattleMendoza

SEA - MDZ

SEAMDZ

Seattle/Tacoma Intl

Thu 10/30

8:53 am-6:40 am

2 stops41h 47m

Mendoza El Plumerillo

Thu 11/6

7:50 am-10:30 pm

2 stops43h 40m

$1,003

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Thu 10/30

1:18 pm-4:00 pm

2 stops22h 42m

Buenos Aires Jorge Newbery

Thu 11/6

8:25 pm-12:23 pm

2 stops20h 58m

$1,005

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Sat 10/11

11:10 pm-5:20 am

2 stops26h 10m

Cordoba Pajas Blancas

Sun 11/2

11:00 am-1:02 pm

2 stops31h 02m

$1,025

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Tue 10/14

8:00 am-12:35 pm

2 stops24h 35m

Cordoba Pajas Blancas

Mon 11/3

11:00 am-2:48 pm

2 stops32h 48m

$1,025

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Wed 10/8

11:10 pm-6:10 am

2 stops27h 00m

Cordoba Pajas Blancas

Sun 11/2

6:20 pm-8:45 pm

2 stops31h 25m

$1,031

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Sat 10/11

9:59 pm-5:20 am

2 stops27h 21m

Cordoba Pajas Blancas

Wed 10/29

7:55 am-10:18 am

2 stops30h 23m

$1,035

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Tue 10/14

6:00 am-5:20 am

2 stops19h 20m

Cordoba Pajas Blancas

Tue 10/28

7:55 am-4:54 pm

2 stops36h 59m

$1,035

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Tue 10/14

6:00 am-5:20 am

2 stops19h 20m

Cordoba Pajas Blancas

Fri 10/31

7:55 am-1:00 pm

2 stops33h 05m

$1,035

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Sun 10/12

11:10 pm-4:20 am

2 stops25h 10m

Cordoba Pajas Blancas

Wed 10/29

7:55 am-1:00 pm

2 stops33h 05m

$1,035

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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Best time to book a flight from Washington to Argentina

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

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

Currently, April is the cheapest month in which you can book a flight from State of Washington to Argentina (average of $795). Flying from State of Washington to Argentina in December is currently the most expensive (average of $1,260). 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 WA to AR?

Find hourly flight availability from Washington to Argentina. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from State of Washington to Argentina, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Washington to Argentina. 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 State of Washington to Argentina?

    A quick flight from State of Washington to Argentina can take about 26h 10m. LATAM Airlines provides one of the quickest options available for as low as $1,025. State of Washington and Argentina are separated by a distance of 6522 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from State of Washington to Argentina one-way?

    $444 is the cheapest one-way deal found within the past few days, from Copa Airlines. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $479 and $688, respectively.

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

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

  • How can I find direct flights from Washington to Argentina?

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

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

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

    Currently, April is the cheapest month in which you can book a flight from State of Washington to Argentina (average of $795). Flying from State of Washington to Argentina in December is currently the most expensive (average of $1,260). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Argentina

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Washington to Argentina

Discover the top 4 airlines that operate flights from Washington to Argentina. 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
LATAM AirlinesCheapest$1,035Average$1,674FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$1,100Average$1,310FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,133Average$1,677FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,200Average$1,328FlexibilityNo cancel feeOn-time69%

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