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Cheap flights from Washington to Buenos Aires from $362

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 Buenos Aires departing on 3/7. 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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LATAM Airlines Logo
9:40 am - 9:15 am
SEA
-
EZE
19h 35m2 stops
LATAM Airlines Logo
3:55 am - 9:48 pm
EZE
-
SEA
21h 53m2 stops
$946LATAM Airlines
Mon, Mar 16 - Mon, Mar 30
LATAM Airlines Logo
11:55 am - 9:00 am
SEA
-
EZE
16h 05m1 stop
LATAM Airlines Logo
11:55 pm - 1:57 pm
EZE
-
SEA
18h 02m1 stop
$966LATAM Airlines
Wed, Mar 4 - Thu, Mar 26
LATAM Airlines Logo
6:05 am - 10:15 am
SEA
-
EZE
23h 10m2 stops
LATAM Airlines Logo
4:05 am - 9:56 pm
EZE
-
SEA
21h 51m2 stops
$970LATAM Airlines
Wed, Mar 4 - Thu, Mar 26
Multiple Airlines Logo
5:55 pm - 12:05 am
SEA
-
EZE
25h 10m2 stops
Multiple Airlines Logo
10:45 pm - 10:04 pm
EZE
-
SEA
27h 19m1 stop
$972Multiple Airlines
Sun, Feb 22 - Tue, Mar 10
LATAM Airlines Logo
8:00 am - 10:30 am
SEA
-
EZE
22h 30m2 stops
LATAM Airlines Logo
7:21 pm - 12:58 pm
EZE
-
SEA
21h 37m2 stops
$989LATAM Airlines
Tue, Mar 31 - Tue, Apr 21
Multiple Airlines Logo
5:55 pm - 12:05 am
SEA
-
EZE
25h 10m2 stops
Multiple Airlines Logo
10:45 pm - 10:04 pm
EZE
-
SEA
27h 19m1 stop
$994Multiple Airlines
Sun, Feb 22 - Mon, Mar 9
Multiple Airlines Logo
12:01 pm - 9:00 am
SEA
-
EZE
39h 59m2 stops
Multiple Airlines Logo
8:00 am - 10:04 pm
EZE
-
SEA
18h 04m1 stop
$995Multiple Airlines
Sun, Feb 8 - Wed, Mar 11
American Airlines Logo
6:00 am - 8:25 am
GEG
-
EZE
21h 25m1 stop
American Airlines Logo
10:25 pm - 6:49 pm
EZE
-
GEG
25h 24m1 stop
$1,436American Airlines
Tue, Feb 3 - Tue, Feb 10
American Airlines Logo
6:00 am - 8:25 am
GEG
-
EZE
21h 25m1 stop
American Airlines Logo
11:59 pm - 6:49 pm
EZE
-
GEG
23h 50m2 stops
$1,440American Airlines
Tue, Feb 3 - Tue, Feb 10
Air Canada Logo
7:00 am - 3:10 pm
GEG
-
EZE
27h 10m3 stops
Air Canada Logo
4:45 pm - 9:59 pm
EZE
-
GEG
34h 14m3 stops
$2,765Air Canada
Sat, Feb 28 - Wed, Mar 4

LATAM Airlines flights from State of Washington to Buenos Aires Ministro Pistarini Airport

Our best LATAM Airlines deals on State of Washington to Buenos Aires Ministro Pistarini Airport flight tickets
LATAM Airlines
Mar 16
SEA9:40 amSeattle/Tacoma Intl
19h 35m
2 stops
EZE9:15 amBuenos Aires Ministro Pistarini
Mar 30
EZE3:55 amBuenos Aires Ministro Pistarini
21h 53m
2 stops
SEA9:48 pmSeattle/Tacoma Intl
$946
Find similar
LATAM Airlines
Mar 4
SEA6:15 amSeattle/Tacoma Intl
21h 45m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 26
EZE7:10 amBuenos Aires Ministro Pistarini
33h 39m
3 stops
SEA12:49 pmSeattle/Tacoma Intl
$966
Find similar
LATAM Airlines
Mar 4
SEA6:05 amSeattle/Tacoma Intl
23h 10m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Mar 26
EZE4:05 amBuenos Aires Ministro Pistarini
21h 51m
2 stops
SEA9:56 pmSeattle/Tacoma Intl
$970
Find similar

United Airlines flights from State of Washington to Buenos Aires Ministro Pistarini Airport

Our best United Airlines deals on State of Washington to Buenos Aires Ministro Pistarini Airport flight tickets
United Airlines
Feb 10
SEA12:57 pmSeattle/Tacoma Intl
15h 23m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Mar 10
EZE9:05 pmBuenos Aires Ministro Pistarini
20h 02m
1 stop
SEA1:07 pmSeattle/Tacoma Intl
$1,056
Find similar
United Airlines
Feb 8
SEA12:57 pmSeattle/Tacoma Intl
37h 23m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Mar 9
EZE9:05 pmBuenos Aires Ministro Pistarini
20h 02m
1 stop
SEA1:07 pmSeattle/Tacoma Intl
$1,070
Find similar
United Airlines
Jan 29
PDX12:59 pmPortland
15h 21m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Feb 9
EZE11:55 pmBuenos Aires Ministro Pistarini
17h 23m
1 stop
PDX12:18 pmPortland
$1,201
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Buenos Aires Ministro Pistarini Airport 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 December 22, 2025.
Use the filters below to find and compare flights from Washington to Buenos Aires Ministro Pistarini Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 3/16

9:40 am-9:15 am

2 stops19h 35m

Buenos Aires Ministro Pistarini

Mon 3/30

3:55 am-9:48 pm

2 stops21h 53m

$946

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 3/4

11:55 am-9:00 am

1 stop16h 05m

Buenos Aires Ministro Pistarini

Thu 3/26

11:55 pm-1:57 pm

1 stop18h 02m

$966

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 3/4

6:05 am-10:15 am

2 stops23h 10m

Buenos Aires Ministro Pistarini

Thu 3/26

4:05 am-9:56 pm

2 stops21h 51m

$970

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 2/22

5:55 pm-12:05 am

2 stops25h 10m

Buenos Aires Ministro Pistarini

Tue 3/10

10:45 pm-10:04 pm

1 stop27h 19m

$972

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 3/31

8:00 am-10:30 am

2 stops22h 30m

Buenos Aires Ministro Pistarini

Tue 4/21

7:21 pm-12:58 pm

2 stops21h 37m

$989

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 2/22

5:55 pm-12:05 am

2 stops25h 10m

Buenos Aires Ministro Pistarini

Mon 3/9

10:45 pm-10:04 pm

1 stop27h 19m

$994

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 2/8

12:01 pm-9:00 am

2 stops39h 59m

Buenos Aires Ministro Pistarini

Wed 3/11

8:00 am-10:04 pm

1 stop18h 04m

$995

SpokaneBuenos Aires

GEG - EZE

GEGEZE

Spokane

Tue 2/3

6:00 am-8:25 am

1 stop21h 25m

Buenos Aires Ministro Pistarini

Tue 2/10

10:25 pm-6:49 pm

1 stop25h 24m

$1,436

SpokaneBuenos Aires

GEG - EZE

GEGEZE

Spokane

Tue 2/3

6:00 am-8:25 am

1 stop21h 25m

Buenos Aires Ministro Pistarini

Tue 2/10

11:59 pm-6:49 pm

2 stops23h 50m

$1,440

SpokaneBuenos Aires

GEG - EZE

GEGEZE

Spokane

Sat 2/28

7:00 am-3:10 pm

3 stops27h 10m

Buenos Aires Ministro Pistarini

Wed 3/4

4:45 pm-9:59 pm

3 stops34h 14m

$2,765

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from State of Washington to Buenos Aires Ministro Pistarini Airport

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 Buenos Aires Ministro Pistarini Airport?

If you aren’t able to travel during the month of November, then book flights to Buenos Aires Ministro Pistarini Airport from State of Washington during March instead. Flights to Buenos Aires Ministro Pistarini Airport in March, while not as cheap as those in November, still average around $1,195.

What is the cheapest day to depart on your flight to Buenos Aires Ministro Pistarini Airport?

Our data shows that Wednesday is the least expensive day to fly to Buenos Aires Ministro Pistarini Airport. Tickets to fly out on this day can be as low as $1,287. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires Ministro Pistarini Airport on Saturday is $1,569.

What is the cheapest time of day to depart on your flight to Buenos Aires Ministro Pistarini Airport?

According to our data, the cheapest time of day to fly to Buenos Aires Ministro Pistarini Airport is at noon. momondo users have found flights departing from State of Washington to Buenos Aires Ministro Pistarini Airport at noon for as low as $1,303. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,629 on average. Flights to Buenos Aires Ministro Pistarini Airport from State of Washington in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on State of Washington to Buenos Aires Ministro Pistarini Airport flights?

You could potentially save up to 10% on your flight if you consider stops on a State of Washington to Buenos Aires Ministro Pistarini Airport flight.

Cheap State of Washington to Buenos Aires Ministro Pistarini Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Buenos Aires Ministro Pistarini Airport

Fastest flight time

15h 51m

Direct flights

None
The fastest flight from State of Washington to Buenos Aires Ministro Pistarini Airport takes 15h 51m
There are no direct flights from State of Washington to Buenos Aires Ministro Pistarini Airport. There are no popular flight routes from State of Washington to Buenos Aires Ministro Pistarini Airport.
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  • When did momondo last update prices for flights from Washington to Buenos Aires Ministro Pistarini Airport?

    Prices for flights from Washington to Buenos Aires Ministro Pistarini Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington to Buenos Aires Ministro Pistarini Airport?

  • How old do you have to be to fly from Washington to Buenos Aires Ministro Pistarini Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Buenos Aires Ministro Pistarini Airport.

  • What documentation or ID do you need to fly to Buenos Aires Ministro Pistarini Airport?

    The travel and health documents required for your trip to Buenos Aires Ministro Pistarini Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires Ministro Pistarini Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from State of Washington to Buenos Aires Ministro Pistarini Airport

Compare and see reviews for airlines that fly from State of Washington to Buenos Aires Ministro Pistarini Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $1,036Free CancellationRating
7.2
11,052 reviews
Search American Airlines flights
DeltaPriceFrom $1,045Free CancellationRating
7.9
8,014 reviews
Search Delta flights
United AirlinesPriceFrom $1,200Free CancellationRating
7.4
9,102 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Buenos Aires from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buenos Aires quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Buenos Aires from Washington with this policy.

How can momondo help me find flights from Washington to Buenos Aires?

momondo helps you find the best flight between Washington and Buenos Aires by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Washington to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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