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Argentina

$399+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EZE
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Delta deal was found by Cheapflights users on 1/27. 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 3/910:58 pm
SEA
-
EZE
1 stop31h 17m
Delta
Mon 3/2310:25 pm
EZE
-
SEA
1 stop27h 57m
Delta
Deal found 1/27$962
This Delta deal was found by Cheapflights users on 1/26. 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 3/161:45 pm
SEA
-
EZE
2 stops31h 35m
Delta
Tue 3/317:45 am
EZE
-
SEA
2 stops30h 16m
Delta
Deal found 1/26$967
This KAYAK deal was found by Cheapflights users on 1/26. 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.
Sun 3/1511:20 pm
SEA
-
AEP
2 stops28h 35m
LATAM Airlines
Tue 3/313:45 pm
AEP
-
SEA
2 stops34h 03m
LATAM Airlines
Deal found 1/26$967
This KAYAK deal was found by Cheapflights users on 1/26. 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 3/197:20 am
SEA
-
EZE
2 stops21h 55m
LATAM Airlines
Tue 3/311:20 pm
EZE
-
SEA
2 stops27h 13m
LATAM Airlines
Deal found 1/26$971
This Delta deal was found by Cheapflights users on 1/26. 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 3/159:45 pm
SEA
-
EZE
1 stop31h 15m
Delta
Tue 3/317:45 am
EZE
-
SEA
2 stops30h 16m
Delta
Deal found 1/26$981
This Expedia deal was found by Cheapflights users on 1/26. 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.
Tue 3/178:08 am
SEA
-
EZE
1 stop21h 27m
Multiple Airlines
Mon 3/303:55 am
EZE
-
SEA
2 stops34h 06m
Multiple Airlines
Deal found 1/26$987
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/249:46 am
SEA
-
EZE
2 stops40h 34m
Multiple Airlines
Wed 3/411:00 am
EZE
-
SEA
1 stop40h 04m
Multiple Airlines
Deal found 1/28$992
This KAYAK deal was found by Cheapflights users on 1/27. 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.
Wed 8/511:40 am
PDX
-
EZE
2 stops20h 42m
LATAM Airlines
Mon 8/311:20 pm
EZE
-
PDX
2 stops27h 46m
LATAM Airlines
Deal found 1/27$993
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 3/178:08 am
SEA
-
EZE
1 stop31h 07m
Multiple Airlines
Thu 4/24:45 pm
EZE
-
SEA
2 stops33h 15m
Multiple Airlines
Deal found 1/26$995
This SmartFares deal was found by Cheapflights users on 1/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:08 am
SEA
-
EZE
1 stop21h 27m
Multiple Airlines
Sun 3/297:35 am
EZE
-
SEA
2 stops42h 13m
Multiple Airlines
Deal found 1/27$996
This Orbitz deal was found by Cheapflights users on 1/28. 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.
Mon 3/166:15 am
SEA
-
AEP
2 stops21h 40m
LATAM Airlines
Tue 3/313:45 pm
AEP
-
SEA
2 stops34h 03m
LATAM Airlines
Deal found 1/28$997
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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 3/1710:58 pm
SEA
-
EZE
2 stops30h 17m
LATAM Airlines
Mon 3/303:55 am
EZE
-
SEA
2 stops21h 53m
LATAM Airlines
Deal found 1/26$1,000

Find flight deals from Washington to Argentina

Keep the following information in mind while searching for Washington to Argentina flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$962
(Delta)

One-way from

$399
(eDestinos)

Popular in

April

Cheapest in

June

Average price

$1,387
Provider with most accurate pricing for Seattle/Tacoma Intl-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Buenos Aires (BUE) flights.
Search Deals
From Washington to Argentina
Search Deals
One-way flight from Washington to Argentina
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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 - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 3/9

8:00 am-6:05 am

2 stops42h 05m

Buenos Aires Ministro Pistarini

Mon 3/23

10:25 pm-10:45 am

1 stop40h 20m

$962

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Tue 3/17

8:00 am-10:30 am

2 stops22h 30m

Buenos Aires Jorge Newbery

Tue 3/31

2:55 pm-9:48 pm

2 stops34h 53m

$967

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 3/17

10:25 pm-3:05 am

2 stops24h 40m

Buenos Aires Ministro Pistarini

Tue 3/31

7:45 am-10:01 am

2 stops30h 16m

$967

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Wed 3/18

7:20 am-2:40 pm

2 stops27h 20m

Buenos Aires Jorge Newbery

Tue 3/31

11:45 am-9:48 pm

2 stops38h 03m

$967

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 3/15

9:45 pm-10:15 am

2 stops32h 30m

Buenos Aires Ministro Pistarini

Tue 3/31

7:45 am-10:01 am

2 stops30h 16m

$971

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Mon 3/16

6:15 am-7:55 am

2 stops21h 40m

Buenos Aires Jorge Newbery

Tue 3/31

3:45 pm-9:48 pm

2 stops34h 03m

$997

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Mon 3/16

7:20 am-2:40 pm

2 stops27h 20m

Buenos Aires Jorge Newbery

Sun 3/29

5:05 pm-9:48 pm

2 stops32h 43m

$1,000

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Tue 3/17

8:00 am-10:30 am

2 stops22h 30m

Buenos Aires Jorge Newbery

Wed 4/1

5:05 pm-6:58 pm

2 stops29h 53m

$1,014

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 4/14

11:51 am-9:45 am

1 stop17h 54m

Buenos Aires Ministro Pistarini

Wed 4/29

7:21 pm-12:06 pm

2 stops20h 45m

$1,025

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Tue 4/14

6:30 am-7:40 am

2 stops21h 10m

Buenos Aires Jorge Newbery

Wed 4/29

3:45 pm-12:06 pm

2 stops24h 21m

$1,031

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 54 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, March is the cheapest month in which you can book a flight from State of Washington to Argentina (average of $159). Flying from State of Washington to Argentina in February is currently the most expensive (average of $1,214). 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 January 29, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 10% on flights from State of Washington to Argentina by exploring options for tickets at noon.

What is the cheapest day to fly from State of Washington to Argentina?

Use this chart to determine the cheapest time to fly round-trip from Washington to Argentina. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their State of Washington to Argentina flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 21h. Delta provides one of the quickest options available for as low as $1,047. State of Washington and Argentina are separated by a distance of 6836 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?

    $424 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 American Airlines and United Airlines, with prices starting from $676 and $748, 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, March is the cheapest month in which you can book a flight from State of Washington to Argentina (average of $159). Flying from State of Washington to Argentina in February is currently the most expensive (average of $1,214). 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$297Average$1,295FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$696Average$1,349FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$1,036Average$1,200FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,179Average$1,275FlexibilityNo cancel feeOn-time69%

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