What airlines fly to Seattle?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Seattle from Buenos Aires according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Buenos Aires to Seattle/Tacoma Intl?

Copa Airlines, LATAM Airlines, and American Airlines are the most popular carriers operating from Buenos Aires to Seattle/Tacoma Intl

When did momondo last update prices for flights from Buenos Aires to Seattle/Tacoma Intl Airport?

Prices for flights from Buenos Aires to Seattle/Tacoma Intl Airport were last updated today.

How many operators does momondo search for flights from Buenos Aires to Seattle/Tacoma Intl Airport?

There are 3 operators available for flights from Buenos Aires to Seattle/Tacoma Intl Airport as of July 2025.

How old do you have to be to fly from Buenos Aires to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buenos Aires to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$492 Cheap Flights from Buenos Aires to Seattle in 2025

Q: What is the typical price of a round-trip flight between Buenos Aires and Seattle?

Prices are currently low for flights on this route. Typical prices usually range from $1,413 to $1,991. The lowest price recently found on this route was $1,075.

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Find the cheapest flights from Buenos Aires to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

10:30 pm - 6:56 pmEZE-SEA

25h 26m1 stop

11:57 am - 9:10 amSEA-EZE

16h 13m1 stop

$1,075American Airlines

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mié., dic. 3 - mar., mar. 3

9:40 pm - 2:43 pmEZE-SEA

22h 03m2 stops

10:02 am - 9:10 amSEA-EZE

18h 08m1 stop

$1,080American Airlines

Find Deal

mié., dic. 3 - mar., mar. 3

7:43 pm - 2:27 pmEZE-SEA

23h 44m2 stops

7:20 am - 9:15 amSEA-EZE

20h 55m2 stops

$1,091LATAM Airlines

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mié., dic. 3 - mar., mar. 3

4:35 pm - 6:36 pmEZE-SEA

54h 01m3 stops

10:00 am - 2:30 pmSEA-EZE

48h 30m3 stops

$1,095Air Canada

Find Deal

sáb., ago. 9 - sáb., ago. 16

4:35 pm - 10:16 pmEZE-SEA

57h 41m3 stops

7:15 pm - 2:30 pmSEA-EZE

63h 15m3 stops

$1,106Air Canada

Find Deal

sáb., ago. 2 - mié., ago. 20

8:25 pm - 2:27 pmAEP-SEA

23h 02m2 stops

9:30 am - 10:30 amSEA-AEP

20h 00m2 stops

$1,114LATAM Airlines

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mié., dic. 3 - mar., mar. 3

11:55 pm - 7:12 pmEZE-SEA

24h 17m1 stop

7:03 am - 7:20 amSEA-EZE

19h 17m1 stop

$1,187United Airlines

Find Deal

mié., dic. 17 - mié., ene. 7

4:05 am - 10:00 pmEZE-SEA

22h 55m2 stops

7:20 am - 9:45 amSEA-EZE

21h 25m1 stop

$1,233Delta

Find Deal

mar., dic. 2 - mar., mar. 3

10:05 pm - 6:10 pmEZE-SEA

25h 05m2 stops

7:00 am - 9:20 amSEA-EZE

21h 20m2 stops

$1,426United Airlines

Find Deal

jue., nov. 13 - lun., nov. 17

8:55 pm - 4:38 pmEZE-SEA

24h 43m1 stop

7:20 am - 9:45 amSEA-EZE

21h 25m1 stop

$1,427Delta

Find Deal

jue., nov. 13 - lun., nov. 17

LATAM Airlines flights from Buenos Aires to Seattle

Our best LATAM Airlines deals on Buenos Aires to Seattle flight tickets

LATAM Airlines

Dec 3

EZE7:43 pmBuenos Aires Ministro Pistarini

23h 44m

2 stops

SEA2:27 pmSeattle/Tacoma Intl

Mar 3

SEA7:20 amSeattle/Tacoma Intl

20h 55m

2 stops

EZE9:15 amBuenos Aires Ministro Pistarini

$1,091

Find similar

LATAM Airlines

Dec 3

AEP8:25 pmBuenos Aires Jorge Newbery

23h 02m

2 stops

SEA2:27 pmSeattle/Tacoma Intl

Mar 3

SEA9:30 amSeattle/Tacoma Intl

20h 00m

2 stops

AEP10:30 amBuenos Aires Jorge Newbery

$1,114

Find similar

LATAM Airlines

Dec 17

EZE12:15 pmBuenos Aires Ministro Pistarini

29h 10m

2 stops

SEA12:25 pmSeattle/Tacoma Intl

Jan 7

SEA8:00 amSeattle/Tacoma Intl

20h 15m

1 stop

EZE9:15 amBuenos Aires Ministro Pistarini

$1,139

Find similar

American Airlines flights from Buenos Aires to Seattle

Our best American Airlines deals on Buenos Aires to Seattle flight tickets

American Airlines

Dec 3

EZE10:30 pmBuenos Aires Ministro Pistarini

25h 26m

1 stop

SEA6:56 pmSeattle/Tacoma Intl

Mar 3

SEA11:57 amSeattle/Tacoma Intl

16h 13m

1 stop

EZE9:10 amBuenos Aires Ministro Pistarini

$1,075

Find similar

American Airlines

Dec 3

EZE9:40 pmBuenos Aires Ministro Pistarini

22h 03m

2 stops

SEA2:43 pmSeattle/Tacoma Intl

Mar 3

SEA10:02 amSeattle/Tacoma Intl

18h 08m

1 stop

EZE9:10 amBuenos Aires Ministro Pistarini

$1,080

Find similar

American Airlines

Dec 3

EZE10:30 pmBuenos Aires Ministro Pistarini

21h 13m

1 stop

SEA2:43 pmSeattle/Tacoma Intl

Mar 2

SEA1:35 amSeattle/Tacoma Intl

26h 35m

1 stop

EZE9:10 amBuenos Aires Ministro Pistarini

$1,089

Find similar

How to get the cheapest flight ticket from Buenos Aires to Seattle

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

Prices

Airlines

What is the typical price of a round-trip flight between Buenos Aires and Seattle?

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from Buenos Aires to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,239. If you don’t want to visit Seattle in March, then you should wait until August to fly from Buenos Aires, when ticket prices are also cheap, with an average price of $1,243.

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

On average, the least expensive day to fly to Seattle from Buenos Aires is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,181. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Buenos Aires because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,655.

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

Flying to Seattle from Buenos Aires in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,122 when looking at flights departing in the morning. Flights to Seattle are more costly in the evening, with an average ticket price of $1,324. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Buenos Aires to Seattle flights?

You could potentially save up to 1% on your flight if you consider stops on a Buenos Aires to Seattle flight.

How have Buenos Aires to Seattle flight prices changed over time?

As of July 2025, prices for Buenos Aires to Seattle flights are approximately 45% more expensive when compared to flights at the same time last year.

When to book flights from Buenos Aires to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Buenos Aires to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Buenos Aires to Seattle (BUE to SEA) flight deals and tips

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

Best Price Found	$492
Fastest flight time	17h 04m
Direct flights	None
Airports in Seattle	1 airport

The best one-way flight to Seattle from Buenos Aires in the past 72 hours is $492. The best round-trip flight deal from Buenos Aires to Seattle found on momondo in the last 72 hours is $1,075.

The fastest flight from Buenos Aires to Seattle takes 17h 04m

There are no direct flights from Buenos Aires to Seattle. Popular non-direct routes for this connection are Buenos Aires Ministro Pistarini Airport - Seattle/Tacoma Intl Airport and Buenos Aires Jorge Newbery Airport - Seattle/Tacoma Intl Airport.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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How far is Buenos Aires to Seattle/Tacoma Intl by plane?
The distance between Buenos Aires and Seattle/Tacoma Intl is about 6914.0 mi. In terms of flight time, this usually takes a little over 18h 01m.
When did momondo last update prices for flights from Buenos Aires to Seattle/Tacoma Intl Airport?
Prices for flights from Buenos Aires to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Buenos Aires to Seattle/Tacoma Intl Airport?
There are 3 operators available for flights from Buenos Aires to Seattle/Tacoma Intl Airport as of July 2025.
How old do you have to be to fly from Buenos Aires to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buenos Aires to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Buenos Aires to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Buenos Aires to Seattle is LATAM Airlines (34% of total bookings). The next most popular airlines are Delta (27%), United Airlines (20%), and American Airlines (19%).

Best airlines flying from Buenos Aires to Seattle

Compare and see reviews for airlines that fly from Buenos Aires to Seattle with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $1,058	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $1,130	Free Cancellation	Rating 8.0 7,952 reviews	Search Delta flights
United Airlines	PriceFrom $1,219	Free Cancellation	Rating 7.4 8,846 reviews	Search United Airlines flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Olympia

Renton

Federal Way

Kent

Lynnwood

Puyallup

Marysville

Tukwila

Kirkland

Lakewood

Fife

Shoreline

Centralia

Cle Elum

Westport

Redmond

Why use momondo?

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

It is quick and easy to find Buenos Aires to Seattle 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 Seattle that suits you.

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

momondo does allow users to show only those flights to Seattle from Buenos Aires which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Buenos Aires to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

An easier way to manage your Seattle trip

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Cheap flights from Buenos Aires to Seattle from $492

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 Seattle departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Buenos Aires to Seattle

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

LATAM Airlines flights from Buenos Aires to Seattle

Our best LATAM Airlines deals on Buenos Aires to Seattle flight tickets

American Airlines flights from Buenos Aires to Seattle

Our best American Airlines deals on Buenos Aires to Seattle flight tickets

See travel insights to Seattle from

How to get the cheapest flight ticket from Buenos Aires to Seattle

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 typical price of a round-trip flight between Buenos Aires and Seattle?

What is the cheapest month to fly to Seattle?

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

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

Can stopping save me money on Buenos Aires to Seattle flights?

You could potentially save up to 1% on your flight if you consider stops on a Buenos Aires to Seattle flight.

How have Buenos Aires to Seattle flight prices changed over time?

As of July 2025, prices for Buenos Aires to Seattle flights are approximately 45% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Buenos Aires to Seattle/Tacoma Intl?

Copa Airlines, LATAM Airlines, and American Airlines are the most popular carriers operating from Buenos Aires to Seattle/Tacoma Intl

What airlines fly to Seattle?

When to book flights from Buenos Aires to Seattle

Cheap Buenos Aires to Seattle (BUE to SEA) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

How far is Buenos Aires to Seattle/Tacoma Intl by plane?

When did momondo last update prices for flights from Buenos Aires to Seattle/Tacoma Intl Airport?

How many operators does momondo search for flights from Buenos Aires to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from Buenos Aires to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular airline from Buenos Aires to Seattle?

Best airlines flying from Buenos Aires to Seattle

Compare and see reviews for airlines that fly from Buenos Aires to Seattle with momondo

Traveling to a place near Seattle?

Why use momondo?

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

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

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

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

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington