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Cheap flights from Buenos Aires to Washington from $442

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buenos Aires to Washington departing on 3/6. 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.
American Airlines Logo
10:25 pm - 9:47 pm
EZE
-
SEA
28h 22m1 stop
American Airlines Logo
10:31 am - 8:20 am
SEA
-
EZE
16h 49m1 stop
$1,005American Airlines
Mon, Jan 26 - Wed, Feb 25
American Airlines Logo
11:59 pm - 3:34 pm
EZE
-
SEA
20h 35m2 stops
American Airlines Logo
12:59 am - 8:20 am
SEA
-
EZE
26h 21m1 stop
$1,010American Airlines
Mon, Jan 26 - Tue, Feb 24
LATAM Airlines Logo
7:21 pm - 7:33 pm
EZE
-
SEA
28h 12m2 stops
LATAM Airlines Logo
9:30 am - 12:22 pm
SEA
-
EZE
22h 52m2 stops
$1,021LATAM Airlines
Sun, May 3 - Sun, May 10
Delta Logo
8:55 pm - 12:20 pm
EZE
-
SEA
20h 25m1 stop
Delta Logo
7:10 am - 10:15 am
SEA
-
EZE
22h 05m1 stop
$1,033Delta
Mon, Feb 2 - Mon, Feb 9
Multiple Airlines Logo
8:00 am - 10:29 pm
EZE
-
SEA
19h 29m1 stop
Multiple Airlines Logo
9:49 am - 10:34 pm
SEA
-
EZE
55h 45m2 stops
$1,036Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
American Airlines Logo
11:30 pm - 11:40 pm
EZE
-
SEA
28h 10m1 stop
American Airlines Logo
8:53 am - 9:00 am
SEA
-
EZE
20h 07m2 stops
$1,038American Airlines
Tue, Mar 31 - Wed, Apr 22
LATAM Airlines Logo
8:55 pm - 2:54 pm
EZE
-
SEA
22h 59m2 stops
LATAM Airlines Logo
7:15 am - 10:15 am
SEA
-
EZE
22h 00m2 stops
$1,068LATAM Airlines
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
12:00 pm - 5:09 pm
EZE
-
SEA
33h 09m2 stops
Multiple Airlines Logo
7:55 am - 4:00 am
SEA
-
EZE
40h 05m3 stops
$1,076Multiple Airlines
Fri, Mar 27 - Thu, Apr 30
United Airlines Logo
11:55 pm - 12:18 pm
EZE
-
PDX
17h 23m1 stop
United Airlines Logo
12:59 pm - 9:20 am
PDX
-
EZE
15h 21m1 stop
$1,188United Airlines
Wed, Feb 4 - Wed, Feb 11
United Airlines Logo
10:05 pm - 1:45 pm
EZE
-
PDX
20h 40m2 stops
United Airlines Logo
7:00 am - 7:20 am
PDX
-
EZE
19h 20m2 stops
$1,192United Airlines
Wed, Feb 4 - Wed, Feb 11

American Airlines flights from Buenos Aires to State of Washington

Our best American Airlines deals on Buenos Aires to State of Washington flight tickets
American Airlines
Jan 26
EZE10:25 pmBuenos Aires Ministro Pistarini
28h 22m
1 stop
SEA9:47 pmSeattle/Tacoma Intl
Feb 25
SEA10:31 amSeattle/Tacoma Intl
16h 49m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
$1,005
Find similar
American Airlines
Jan 26
EZE11:59 pmBuenos Aires Ministro Pistarini
20h 35m
2 stops
SEA3:34 pmSeattle/Tacoma Intl
Feb 24
SEA12:59 amSeattle/Tacoma Intl
26h 21m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
$1,010
Find similar
American Airlines
Mar 31
EZE11:30 pmBuenos Aires Ministro Pistarini
28h 10m
1 stop
SEA11:40 pmSeattle/Tacoma Intl
Apr 22
SEA8:53 amSeattle/Tacoma Intl
20h 07m
2 stops
EZE9:00 amBuenos Aires Ministro Pistarini
$1,038
Find similar

LATAM Airlines flights from Buenos Aires to State of Washington

Our best LATAM Airlines deals on Buenos Aires to State of Washington flight tickets
LATAM Airlines
May 3
EZE7:21 pmBuenos Aires Ministro Pistarini
28h 12m
2 stops
SEA7:33 pmSeattle/Tacoma Intl
May 10
SEA9:30 amSeattle/Tacoma Intl
22h 52m
2 stops
EZE12:22 pmBuenos Aires Ministro Pistarini
$1,021
Find similar
LATAM Airlines
Feb 3
EZE8:55 pmBuenos Aires Ministro Pistarini
22h 59m
2 stops
SEA2:54 pmSeattle/Tacoma Intl
Feb 10
SEA7:15 amSeattle/Tacoma Intl
22h 00m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
$1,068
Find similar
LATAM Airlines
Feb 2
EZE8:00 amBuenos Aires Ministro Pistarini
33h 20m
2 stops
SEA12:20 pmSeattle/Tacoma Intl
Feb 9
SEA7:10 amSeattle/Tacoma Intl
22h 05m
1 stop
EZE10:15 amBuenos Aires Ministro Pistarini
$1,070
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Buenos Aires to State of Washington 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 21, 2025.
Use the filters below to find and compare flights from Buenos Aires to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 1/26

10:25 pm-9:47 pm

1 stop28h 22m

Seattle/Tacoma Intl

Wed 2/25

10:31 am-8:20 am

1 stop16h 49m

$1,005

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 1/26

11:59 pm-3:34 pm

2 stops20h 35m

Seattle/Tacoma Intl

Tue 2/24

12:59 am-8:20 am

1 stop26h 21m

$1,010

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sun 5/3

7:21 pm-7:33 pm

2 stops28h 12m

Seattle/Tacoma Intl

Sun 5/10

9:30 am-12:22 pm

2 stops22h 52m

$1,021

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 2/2

8:55 pm-12:20 pm

1 stop20h 25m

Seattle/Tacoma Intl

Mon 2/9

7:10 am-10:15 am

1 stop22h 05m

$1,033

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 2/4

8:00 am-10:29 pm

1 stop19h 29m

Seattle/Tacoma Intl

Wed 2/11

9:49 am-10:34 pm

2 stops55h 45m

$1,036

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 3/31

11:30 pm-11:40 pm

1 stop28h 10m

Seattle/Tacoma Intl

Wed 4/22

8:53 am-9:00 am

2 stops20h 07m

$1,038

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 2/3

8:55 pm-2:54 pm

2 stops22h 59m

Seattle/Tacoma Intl

Tue 2/10

7:15 am-10:15 am

2 stops22h 00m

$1,068

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Fri 3/27

12:00 pm-5:09 pm

2 stops33h 09m

Seattle/Tacoma Intl

Thu 4/30

7:55 am-4:00 am

3 stops40h 05m

$1,076

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Wed 2/4

11:55 pm-12:18 pm

1 stop17h 23m

Portland

Wed 2/11

12:59 pm-9:20 am

1 stop15h 21m

$1,188

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Wed 2/4

10:05 pm-1:45 pm

2 stops20h 40m

Portland

Wed 2/11

7:00 am-7:20 am

2 stops19h 20m

$1,192

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 Washington from

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

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 State of Washington?

The month of October is, on average, the cheapest month to fly to State of Washington from Buenos Aires, with most prices found around $1,148. If you aren’t able to travel to State of Washington during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,179.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Buenos Aires to State of Washington is on a Tuesday. Travelers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as $1,203. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Buenos Aires to State of Washington for around $2,352.

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

The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $1,235. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,483 on average. Flights to State of Washington from Buenos Aires in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You could potentially save up to 22% on your flight if you consider stops on a Buenos Aires to State of Washington flight.

Cheap Buenos Aires to State of Washington flight deals and tips

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

Fastest flight time

18h 25m

Direct flights

None
The fastest flight from Buenos Aires to State of Washington takes 18h 25m
There are no direct flights from Buenos Aires to State of Washington. There are no popular flight routes from Buenos Aires to State of Washington.
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  • When did momondo last update prices for flights from Buenos Aires to Washington?

    Prices for flights from Buenos Aires to Washington refresh daily.

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

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

    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 Buenos Aires to Washington.

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

    The necessary travel and health documents for your Washington 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 Buenos Aires to State of Washington

Compare and see reviews for airlines that fly from Buenos Aires to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $934Free CancellationRating
7.9
8,021 reviews
Search Delta flights
American AirlinesPriceFrom $1,075Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,219Free CancellationRating
7.4
9,099 reviews
Search United Airlines flights

Why use momondo?

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

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 Washington from Buenos Aires.

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

All flight searches from Buenos Aires to Washington on momondo can be filtered to show those which offer flexible booking policies.

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

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 Buenos Aires to Washington.

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

If you are not ready to book a flight from Buenos Aires to Washington now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington and let you know when they change.

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