Cheap flights from Seattle to Argentina 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 Seattle to Argentina departing on 11/21. 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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Fly from
Fly to
Route
Depart
Return
SeattleBuenos Aires
SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini
SEAEZE
Seattle/Tacoma Intl
Sun 11/15
7:48 pm-10:40 am
2 stops33h 52m
Buenos Aires Ministro Pistarini
Sun 11/22
12:20 pm-11:23 am
1 stop28h 03m
SeattleBuenos Aires
SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini
SEAEZE
Seattle/Tacoma Intl
Tue 11/17
8:00 am-9:40 am
2 stops20h 40m
Buenos Aires Ministro Pistarini
Tue 12/1
12:20 pm-10:20 pm
1 stop39h 00m
SeattleBuenos Aires
SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini
SEAEZE
Seattle/Tacoma Intl
Wed 12/9
8:30 am-9:40 am
1 stop20h 10m
Buenos Aires Ministro Pistarini
Wed 12/16
12:20 pm-11:22 am
1 stop28h 02m
SeattleBuenos Aires
SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini
SEAEZE
Seattle/Tacoma Intl
Wed 12/2
8:30 am-7:35 am
1 stop18h 05m
Buenos Aires Ministro Pistarini
Thu 12/10
9:30 pm-10:18 am
1 stop17h 48m
SeattleBuenos Aires
SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini
SEAEZE
Seattle/Tacoma Intl
Tue 11/17
6:00 am-9:40 am
1 stop22h 40m
Buenos Aires Ministro Pistarini
Tue 12/1
8:05 pm-2:34 pm
1 stop23h 29m
SeattleBuenos Aires
SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini
SEAEZE
Seattle/Tacoma Intl
Thu 12/3
11:55 am-10:55 am
1 stop18h 00m
Buenos Aires Ministro Pistarini
Mon 12/14
8:05 pm-10:40 am
1 stop19h 35m
SeattleBuenos Aires
SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini
SEAEZE
Seattle/Tacoma Intl
Thu 1/14
5:45 pm-6:35 pm
2 stops19h 50m
Buenos Aires Ministro Pistarini
Thu 1/28
11:35 pm-2:38 pm
1 stop20h 03m
SeattleBuenos Aires
SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini
SEAEZE
Seattle/Tacoma Intl
Thu 1/7
5:45 pm-6:35 pm
2 stops19h 50m
Buenos Aires Ministro Pistarini
Thu 1/21
9:30 pm-10:26 am
1 stop17h 56m
SeattleBuenos Aires
SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini
SEAEZE
Seattle/Tacoma Intl
Thu 11/12
7:30 am-8:15 am
1 stop19h 45m
Buenos Aires Ministro Pistarini
Mon 11/16
10:30 pm-2:51 pm
1 stop21h 21m
SeattleBuenos Aires
SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini
SEAEZE
Seattle/Tacoma Intl
Sun 1/17
7:20 am-8:30 am
1 stop20h 10m
Buenos Aires Ministro Pistarini
Sun 1/31
10:30 pm-8:02 pm
1 stop26h 32m
See travel insights to Argentina from
How to get the cheapest flight ticket from Seattle 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 March, then departing from Seattle during the month June is also very affordable. Most momondo users find prices during this month for around $1,346.
Can stopping save me money on Seattle to Argentina flights?
You could potentially save up to 43% on your flight if you consider stops on a Seattle to Argentina flight.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Argentina?
Aeromexico and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Argentina
What airlines fly to Argentina?
LATAM Airlines, American Airlines and Delta are the top three most popular airlines that fly to Argentina from Seattle according to our data. LATAM Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Argentina. Keep in mind that there are 3 different airlines that fly to Argentina on a routine basis, so you have a few additional options to choose from.
Cheap Seattle to Argentina flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Argentina
Frequently asked questions about flying from Seattle to Argentina
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Argentina?
Prices for flights from Seattle/Tacoma Intl Airport to Argentina are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Argentina?
As of October 2026, there are 3 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Argentina.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Argentina?
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 Seattle/Tacoma Intl Airport to Argentina.
What documentation or ID do you need to fly to Argentina?
The travel and health documents required for your trip to Argentina 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 Argentina. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Seattle to Argentina
Compare and see reviews for airlines that fly from Seattle to Argentina with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $159 | Free Cancellation | Rating 7.8 8,633 reviews | |||
| PriceFrom $946 | Free Cancellation | Rating 7.4 1,978 reviews | |||
| PriceFrom $1,126 | Free Cancellation | Rating 7.0 12,129 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Argentina?
It is quick and easy to find Seattle to Argentina flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Argentina that suits you.
Can I find flights from Seattle to Argentina with flexible booking policies on momondo?
Yes. All flights to Argentina from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Seattle to Argentina?
Once all potential Seattle to Argentina flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Seattle to Argentina right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Argentina, momondo offers a useful price alert feature which will track prices for flights to Argentina from Seattle and alert you when they change.