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Cheap flights from Washington to Argentina from $347

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Argentina departing on 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Multiple Airlines Logo
12:37 am - 7:59 amSEA-EZE
26h 22m2 stops
Multiple Airlines Logo
2:32 pm - 10:10 pmEZE-SEA
36h 38m2 stops
$824Multiple Airlines
Find Deal
Wed, Nov 26 - Sun, Dec 7
LATAM Airlines Logo
6:30 am - 9:15 amPDX-EZE
21h 45m2 stops
LATAM Airlines Logo
7:43 pm - 11:53 amEZE-PDX
21h 10m2 stops
$865LATAM Airlines
Find Deal
Tue, Jan 13 - Wed, Feb 4
Delta Logo
6:29 am - 7:20 amPDX-EZE
19h 51m2 stops
Delta Logo
8:55 pm - 12:54 pmEZE-PDX
20h 59m2 stops
$893Delta
Find Deal
Wed, Dec 10 - Mon, Dec 15
Delta Logo
11:26 am - 9:45 amPDX-EZE
18h 19m1 stop
Delta Logo
10:25 pm - 9:04 pmEZE-PDX
26h 39m1 stop
$902Delta
Find Deal
Tue, Oct 21 - Thu, Oct 30
American Airlines Logo
11:59 pm - 8:05 amPDX-EZE
27h 06m1 stop
American Airlines Logo
10:30 pm - 12:59 pmEZE-PDX
19h 29m1 stop
$913American Airlines
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Sun, Dec 7 - Tue, Dec 16
American Airlines Logo
7:38 am - 8:05 amPDX-EZE
19h 27m1 stop
American Airlines Logo
10:30 pm - 11:04 amEZE-PDX
17h 34m1 stop
$920American Airlines
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Wed, Dec 10 - Tue, Dec 16
United Airlines Logo
12:59 pm - 8:00 amPDX-EZE
15h 01m1 stop
United Airlines Logo
9:05 pm - 12:13 pmEZE-PDX
19h 08m1 stop
$945United Airlines
Find Deal
Thu, Oct 23 - Tue, Oct 28
United Airlines Logo
1:15 pm - 6:20 amPDX-EZE
37h 05m1 stop
United Airlines Logo
10:05 pm - 6:36 pmEZE-PDX
25h 31m2 stops
$964United Airlines
Find Deal
Sun, Oct 26 - Sun, Nov 2
Copa Airlines Logo
5:02 pm - 12:09 amSEA-MDZ
26h 07m2 stops
Copa Airlines Logo
1:26 am - 1:58 pmMDZ-SEA
40h 32m2 stops
$1,484Copa Airlines
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Thu, Feb 26 - Sun, Mar 15
Copa Airlines Logo
12:41 pm - 12:19 amSEA-COR
31h 38m2 stops
Copa Airlines Logo
2:00 am - 11:39 amCOR-SEA
38h 39m2 stops
$1,550Copa Airlines
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Thu, Oct 30 - Sun, Nov 2

Air Canada flights from State of Washington to Argentina

Our best Air Canada deals on State of Washington to Argentina flight tickets
Air Canada
Jan 31
GEG11:25 amSpokane
46h 45m
3 stops
EZE3:10 pmBuenos Aires Ministro Pistarini
Feb 7
EZE4:45 pmBuenos Aires Ministro Pistarini
25h 01m
3 stops
GEG12:46 pmSpokane
$1,961
Find similar
Air Canada
Oct 16
SEA7:15 pmSeattle/Tacoma Intl
39h 15m
3 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
Oct 29
EZE4:45 pmBuenos Aires Ministro Pistarini
33h 31m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
$4,715
Find similar

American Airlines flights from State of Washington to Argentina

Our best American Airlines deals on State of Washington to Argentina flight tickets
American Airlines
Dec 7
PDX11:59 pmPortland
27h 06m
1 stop
EZE8:05 amBuenos Aires Ministro Pistarini
Dec 16
EZE10:30 pmBuenos Aires Ministro Pistarini
19h 29m
1 stop
PDX12:59 pmPortland
$913
Find similar
American Airlines
Dec 10
PDX7:38 amPortland
19h 27m
1 stop
EZE8:05 amBuenos Aires Ministro Pistarini
Dec 16
EZE10:30 pmBuenos Aires Ministro Pistarini
17h 34m
1 stop
PDX11:04 amPortland
$920
Find similar
American Airlines
Dec 10
PDX7:38 amPortland
19h 32m
2 stops
EZE8:10 amBuenos Aires Ministro Pistarini
Dec 16
EZE9:40 pmBuenos Aires Ministro Pistarini
20h 19m
2 stops
PDX12:59 pmPortland
$925
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of 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, momondo users made 832,500 searches. Data last updated October 9, 2025.
Use the filters below to find and compare flights from Washington to Argentina that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 11/26

12:37 am-7:59 am

2 stops26h 22m

Buenos Aires Ministro Pistarini

Sun 12/7

2:32 pm-10:10 pm

2 stops36h 38m

$824

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 1/13

6:30 am-9:15 am

2 stops21h 45m

Buenos Aires Ministro Pistarini

Wed 2/4

7:43 pm-11:53 am

2 stops21h 10m

$865

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 12/10

6:29 am-7:20 am

2 stops19h 51m

Buenos Aires Ministro Pistarini

Mon 12/15

8:55 pm-12:54 pm

2 stops20h 59m

$893

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 10/21

11:26 am-9:45 am

1 stop18h 19m

Buenos Aires Ministro Pistarini

Thu 10/30

10:25 pm-9:04 pm

1 stop26h 39m

$902

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Sun 12/7

11:59 pm-8:05 am

1 stop27h 06m

Buenos Aires Ministro Pistarini

Tue 12/16

10:30 pm-12:59 pm

1 stop19h 29m

$913

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 12/10

7:38 am-8:05 am

1 stop19h 27m

Buenos Aires Ministro Pistarini

Tue 12/16

10:30 pm-11:04 am

1 stop17h 34m

$920

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Thu 10/23

12:59 pm-8:00 am

1 stop15h 01m

Buenos Aires Ministro Pistarini

Tue 10/28

9:05 pm-12:13 pm

1 stop19h 08m

$945

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Sun 10/26

1:15 pm-6:20 am

1 stop37h 05m

Buenos Aires Ministro Pistarini

Sun 11/2

10:05 pm-6:36 pm

2 stops25h 31m

$964

SeattleMendoza

SEA - MDZ

SEAMDZ

Seattle/Tacoma Intl

Thu 2/26

5:02 pm-12:09 am

2 stops26h 07m

Mendoza El Plumerillo

Sun 3/15

1:26 am-1:58 pm

2 stops40h 32m

$1,484

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Thu 10/30

12:41 pm-12:19 am

2 stops31h 38m

Cordoba Pajas Blancas

Sun 11/2

2:00 am-11:39 am

2 stops38h 39m

$1,550

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Argentina from

How to get the cheapest flight ticket from State of Washington to Argentina

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Argentina?

If you are unable to visit Argentina during the month of May, then departing from State of Washington during the month September is also very affordable. Most momondo users find prices during this month for around $1,287.

What is the cheapest day to depart on your flight to Argentina?

The cheapest day to depart from State of Washington to Argentina is on a Tuesday. Travelers who choose to depart for Argentina on a Tuesday will often find tickets for as low as $1,328. The most expensive day to fly to Argentina is Saturday, with ticket prices averaging around $1,503.

What is the cheapest time of day to depart on your flight to Argentina?

The cheapest time of day to fly to Argentina is in the afternoon when flights can be purchased for as low as $1,307. Flights at noon are often more expensive with an average ticket price of $1,438.

How far in advance should I book a flight to Argentina?

You are more likely to see cheaper flights to Argentina from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Argentina for around $1,379 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Argentina from State of Washington for as low as $1,197 on momondo.

Can stopping save me money on State of Washington to Argentina flights?

You could potentially save up to 29% on your flight if you consider stops on a State of Washington to Argentina flight.

Cheap State of Washington to Argentina flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Argentina

Direct flights

None
There are no direct flights from State of Washington to Argentina. There are no popular flight routes from State of Washington to Argentina.
Search flight deals

  • When did momondo last update prices for flights from Washington to Argentina?

    Prices for flights from Washington to Argentina are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington to Argentina?

  • How old do you have to be to fly from Washington to Argentina?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Argentina.

  • What documentation or ID do you need to fly to Argentina?

    The necessary travel and health documents for your Argentina trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Argentina

Compare and see reviews for airlines that fly from State of Washington to Argentina with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $1,035Free CancellationRating
7.5
1,861 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $1,036Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
DeltaPriceFrom $1,173Free CancellationRating
7.9
7,969 reviews
Search Delta flights
United AirlinesPriceFrom $1,200Free CancellationRating
7.4
8,968 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Argentina?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Argentina from Washington.

Can I find flights from Washington to Argentina with flexible booking policies on momondo?

Flights from Washington to Argentina with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington to Argentina?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Argentina.

I’m not ready to book a flight from Washington to Argentina right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Argentina from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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