Cheap flights from Washington to Argentina from $379

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 3/14. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:45 am - 8:20 am
SEA
-
EZE
21h 35m
1 stop
United Airlines Logo
9:05 pm - 1:07 pm
EZE
-
SEA
20h 02m
1 stop
$967United Airlines
Mon, Mar 9 - Wed, Mar 18
LATAM Airlines Logo
7:20 am - 10:30 am
SEA
-
AEP
23h 10m
2 stops
LATAM Airlines Logo
3:45 pm - 12:49 pm
AEP
-
SEA
25h 04m
2 stops
$967LATAM Airlines
Mon, Mar 9 - Tue, Mar 17
United Airlines Logo
11:59 pm - 8:20 am
SEA
-
EZE
28h 21m
2 stops
United Airlines Logo
9:05 pm - 4:14 pm
EZE
-
SEA
23h 09m
2 stops
$971United Airlines
Sun, Mar 8 - Tue, Mar 17
Multiple Airlines Logo
9:46 am - 7:55 am
SEA
-
EZE
41h 09m
2 stops
Multiple Airlines Logo
8:00 am - 10:00 pm
EZE
-
SEA
18h 00m
1 stop
$976Multiple Airlines
Tue, Mar 3 - Fri, Apr 3
Multiple Airlines Logo
9:46 am - 7:55 am
SEA
-
EZE
41h 09m
2 stops
Multiple Airlines Logo
1:20 pm - 10:00 pm
EZE
-
SEA
36h 40m
1 stop
$981Multiple Airlines
Tue, Mar 3 - Tue, Mar 31
Delta Logo
5:10 pm - 6:10 am
PDX
-
EZE
33h 00m
2 stops
Delta Logo
8:10 pm - 6:55 pm
EZE
-
PDX
26h 45m
1 stop
$997Delta
Tue, Aug 4 - Mon, Aug 31
Delta Logo
5:10 pm - 6:10 am
PDX
-
EZE
33h 00m
2 stops
Delta Logo
8:10 pm - 7:26 pm
EZE
-
PDX
27h 16m
2 stops
$1,001Delta
Tue, Aug 4 - Mon, Aug 31
Copa Airlines Logo
8:45 am - 2:53 am
SEA
-
COR
37h 08m
2 stops
Copa Airlines Logo
2:04 am - 11:16 pm
COR
-
SEA
25h 12m
2 stops
$1,289Copa Airlines
Thu, Mar 5 - Wed, Mar 11
GOL Logo
10:25 am - 4:15 pm
SEA
-
MDZ
25h 50m
3 stops
GOL Logo
5:05 pm - 2:27 pm
MDZ
-
SEA
25h 22m
3 stops
$1,378GOL
Sun, Apr 19 - Thu, Apr 30
Copa Airlines Logo
2:20 pm - 3:52 am
SEA
-
COR
32h 32m
2 stops
Copa Airlines Logo
3:54 am - 11:51 pm
COR
-
SEA
24h 57m
2 stops
$1,490Copa Airlines
Mon, Feb 23 - Fri, Feb 27

American Airlines flights from State of Washington to Argentina

Our best American Airlines deals on State of Washington to Argentina flight tickets
American Airlines
Mar 25
SEA11:45 amSeattle/Tacoma Intl
16h 35m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
Apr 7
EZE11:35 pmBuenos Aires Ministro Pistarini
28h 09m
1 stop
SEA11:44 pmSeattle/Tacoma Intl
$1,050
American Airlines
Mar 14
SEA7:00 amSeattle/Tacoma Intl
21h 20m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
Mar 25
EZE10:25 pmBuenos Aires Ministro Pistarini
25h 04m
1 stop
SEA7:29 pmSeattle/Tacoma Intl
$1,057
American Airlines
Mar 4
SEA7:09 amSeattle/Tacoma Intl
18h 56m
2 stops
EZE7:05 amBuenos Aires Ministro Pistarini
Mar 26
EZE9:50 pmBuenos Aires Ministro Pistarini
22h 07m
2 stops
SEA3:57 pmSeattle/Tacoma Intl
$1,061

Delta flights from State of Washington to Argentina

Our best Delta deals on State of Washington to Argentina flight tickets
Delta
Aug 4
PDX5:10 pmPortland
33h 00m
2 stops
EZE6:10 amBuenos Aires Ministro Pistarini
Aug 31
EZE8:10 pmBuenos Aires Ministro Pistarini
26h 45m
1 stop
PDX6:55 pmPortland
$997
Delta
Aug 4
PDX5:10 pmPortland
33h 00m
2 stops
EZE6:10 amBuenos Aires Ministro Pistarini
Aug 31
EZE8:10 pmBuenos Aires Ministro Pistarini
27h 16m
2 stops
PDX7:26 pmPortland
$1,001
Delta
Mar 5
SEA6:15 amSeattle/Tacoma Intl
21h 45m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 31
EZE7:45 amBuenos Aires Ministro Pistarini
30h 16m
2 stops
SEA10:01 amSeattle/Tacoma Intl
$1,017

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 February 5, 2026.
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

Mon 3/9

6:45 am-8:20 am

1 stop21h 35m

Buenos Aires Ministro Pistarini

Wed 3/18

9:05 pm-1:07 pm

1 stop20h 02m

$967

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Mon 3/9

7:20 am-10:30 am

2 stops23h 10m

Buenos Aires Jorge Newbery

Tue 3/17

3:45 pm-12:49 pm

2 stops25h 04m

$967

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 3/8

11:59 pm-8:20 am

2 stops28h 21m

Buenos Aires Ministro Pistarini

Tue 3/17

9:05 pm-4:14 pm

2 stops23h 09m

$971

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 3/3

9:46 am-7:55 am

2 stops41h 09m

Buenos Aires Ministro Pistarini

Fri 4/3

8:00 am-10:00 pm

1 stop18h 00m

$976

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 3/3

9:46 am-7:55 am

2 stops41h 09m

Buenos Aires Ministro Pistarini

Tue 3/31

1:20 pm-10:00 pm

1 stop36h 40m

$981

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 8/4

5:10 pm-6:10 am

2 stops33h 00m

Buenos Aires Ministro Pistarini

Mon 8/31

8:10 pm-6:55 pm

1 stop26h 45m

$997

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 8/4

5:10 pm-6:10 am

2 stops33h 00m

Buenos Aires Ministro Pistarini

Mon 8/31

8:10 pm-7:26 pm

2 stops27h 16m

$1,001

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Thu 3/5

8:45 am-2:53 am

2 stops37h 08m

Cordoba Pajas Blancas

Wed 3/11

2:04 am-11:16 pm

2 stops25h 12m

$1,289

SeattleMendoza

SEA - MDZ

SEAMDZ

Seattle/Tacoma Intl

Sun 4/19

10:25 am-4:15 pm

3 stops25h 50m

Mendoza El Plumerillo

Thu 4/30

5:05 pm-2:27 pm

3 stops25h 22m

$1,378

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Mon 2/23

2:20 pm-3:52 am

2 stops32h 32m

Cordoba Pajas Blancas

Fri 2/27

3:54 am-11:51 pm

2 stops24h 57m

$1,490

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 June, then departing from State of Washington during the month November is also very affordable. Most momondo users find prices during this month for around $1,250.

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

You could potentially save up to 27% 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

Fastest flight time

15h 21m

Direct flights

None
The fastest flight from State of Washington to Argentina takes 15h 21m
There are no direct flights from State of Washington to Argentina. There are no popular flight routes from State of Washington to Argentina.
  • 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
DeltaPriceFrom $297Free CancellationRating
7.9
8,153 reviews
Search Delta flights
LATAM AirlinesPriceFrom $696Free CancellationRating
7.5
1,917 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $1,036Free CancellationRating
7.2
11,238 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,116Free CancellationRating
7.4
9,241 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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1 adult
Sat 3/7
Sat 3/14

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