Which layover airport offers the lowest fares from Buenos Aires to Seattle?

Flights via Houston (IAH) offer the lowest average round-trip price of $1,582.

What airlines fly to Seattle?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Seattle from Buenos Aires according to our data. American Airlines is the first choice among our users, with 42% 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.

Which layover airport has the shortest connection time from Buenos Aires to Seattle?

Atlanta (ATL) has the shortest average layover time for this route: 1h 55m.

Which layover airport has the shortest travel time from Buenos Aires to Seattle?

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 17h 07m.

Which airport is the most popular layover for flights between Buenos Aires and Seattle?

Houston (IAH) was the most common stop: 88% of momondo users choosing 1-stop flights on this route connected there.

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

Copa Airlines, Avianca, and GOL 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 October 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.

$455 Cheap Flights from Buenos Aires to Seattle in 2025/26

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10:30 pm - 1:06 pmEZE-SEA

19h 36m1 stop

5:23 am - 8:30 amSEA-EZE

22h 07m1 stop

$965American Airlines

Find Deal

Mon, Dec 15 - Mon, Dec 29

9:40 pm - 1:00 pmEZE-SEA

20h 20m2 stops

7:35 am - 8:15 amSEA-EZE

19h 40m2 stops

$969American Airlines

Find Deal

Wed, Dec 17 - Wed, Jan 7

10:30 pm - 5:51 pmEZE-SEA

24h 21m1 stop

12:59 am - 8:30 amSEA-EZE

26h 31m1 stop

$977American Airlines

Find Deal

Mon, Dec 15 - Sun, Dec 28

11:55 pm - 5:47 pmEZE-SEA

22h 52m1 stop

10:55 pm - 9:00 amSEA-EZE

29h 05m1 stop

$1,012Delta

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Wed, Dec 17 - Wed, Jan 7

8:40 am - 8:41 amEZE-SEA

29h 01m2 stops

9:20 pm - 7:15 pmSEA-EZE

16h 55m1 stop

$1,014Multiple Airlines

Find Deal

Sun, Dec 14 - Mon, Dec 29

4:05 am - 11:59 pmEZE-SEA

24h 54m2 stops

6:00 am - 6:05 amSEA-EZE

19h 05m2 stops

$1,021LATAM Airlines

Find Deal

Tue, Nov 18 - Wed, Nov 26

3:40 pm - 12:39 pmAEP-SEA

25h 59m2 stops

2:11 pm - 6:40 pmSEA-AEP

23h 29m2 stops

$1,021LATAM Airlines

Find Deal

Wed, Nov 19 - Wed, Nov 26

2:45 am - 10:30 pmEZE-SEA

24h 45m2 stops

9:20 pm - 7:15 pmSEA-EZE

16h 55m1 stop

$1,042Multiple Airlines

Find Deal

Mon, Dec 15 - Mon, Dec 29

11:55 pm - 4:47 pmEZE-SEA

21h 52m1 stop

6:15 am - 7:20 amSEA-EZE

20h 05m1 stop

$1,231Delta

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Sat, Dec 20 - Wed, Jan 7

10:05 pm - 4:10 pmEZE-SEA

23h 05m2 stops

9:04 am - 9:20 amSEA-EZE

19h 16m2 stops

$1,267United Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

American Airlines flights from Buenos Aires to Seattle

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

American Airlines

Dec 15

EZE10:30 pmBuenos Aires Ministro Pistarini

19h 36m

1 stop

SEA1:06 pmSeattle/Tacoma Intl

Dec 29

SEA5:23 amSeattle/Tacoma Intl

22h 07m

1 stop

EZE8:30 amBuenos Aires Ministro Pistarini

$965

Find similar

American Airlines

Dec 17

EZE9:40 pmBuenos Aires Ministro Pistarini

20h 20m

2 stops

SEA1:00 pmSeattle/Tacoma Intl

Jan 7

SEA7:35 amSeattle/Tacoma Intl

19h 40m

2 stops

EZE8:15 amBuenos Aires Ministro Pistarini

$969

Find similar

American Airlines

Dec 15

EZE10:30 pmBuenos Aires Ministro Pistarini

24h 21m

1 stop

SEA5:51 pmSeattle/Tacoma Intl

Dec 28

SEA12:59 amSeattle/Tacoma Intl

26h 31m

1 stop

EZE8:30 amBuenos Aires Ministro Pistarini

$977

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Delta flights from Buenos Aires to Seattle

Our best Delta deals on Buenos Aires to Seattle flight tickets

Delta

Dec 17

EZE11:55 pmBuenos Aires Ministro Pistarini

22h 52m

1 stop

SEA5:47 pmSeattle/Tacoma Intl

Jan 7

SEA10:55 pmSeattle/Tacoma Intl

29h 05m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

$1,012

Find similar

Delta

Dec 20

EZE11:55 pmBuenos Aires Ministro Pistarini

21h 52m

1 stop

SEA4:47 pmSeattle/Tacoma Intl

Jan 7

SEA6:15 amSeattle/Tacoma Intl

20h 05m

1 stop

EZE7:20 amBuenos Aires Ministro Pistarini

$1,231

Find similar

Delta

Nov 13

EZE8:55 pmBuenos Aires Ministro Pistarini

18h 20m

1 stop

SEA10:15 amSeattle/Tacoma Intl

Nov 17

SEA6:00 amSeattle/Tacoma Intl

22h 00m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

$1,260

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 12/15

10:30 pm-1:06 pm

1 stop19h 36m

Seattle/Tacoma Intl

Mon 12/29

5:23 am-8:30 am

1 stop22h 07m

$965

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 12/17

9:40 pm-1:00 pm

2 stops20h 20m

Seattle/Tacoma Intl

Wed 1/7

7:35 am-8:15 am

2 stops19h 40m

$969

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 12/15

10:30 pm-5:51 pm

1 stop24h 21m

Seattle/Tacoma Intl

Sun 12/28

12:59 am-8:30 am

1 stop26h 31m

$977

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 12/17

11:55 pm-5:47 pm

1 stop22h 52m

Seattle/Tacoma Intl

Wed 1/7

10:55 pm-9:00 am

1 stop29h 05m

$1,012

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sun 12/14

8:40 am-8:41 am

2 stops29h 01m

Seattle/Tacoma Intl

Mon 12/29

9:20 pm-7:15 pm

1 stop16h 55m

$1,014

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 11/18

4:05 am-11:59 pm

2 stops24h 54m

Seattle/Tacoma Intl

Wed 11/26

6:00 am-6:05 am

2 stops19h 05m

$1,021

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Wed 11/19

3:40 pm-12:39 pm

2 stops25h 59m

Seattle/Tacoma Intl

Wed 11/26

2:11 pm-6:40 pm

2 stops23h 29m

$1,021

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 12/15

2:45 am-10:30 pm

2 stops24h 45m

Seattle/Tacoma Intl

Mon 12/29

9:20 pm-7:15 pm

1 stop16h 55m

$1,042

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sat 12/20

11:55 pm-4:47 pm

1 stop21h 52m

Seattle/Tacoma Intl

Wed 1/7

6:15 am-7:20 am

1 stop20h 05m

$1,231

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 11/13

10:05 pm-4:10 pm

2 stops23h 05m

Seattle/Tacoma Intl

Mon 11/17

9:04 am-9:20 am

2 stops19h 16m

$1,267

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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

Layovers

What is the cheapest month to fly to Seattle?

In general, October 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 $1,148. If you don’t want to visit Seattle in October, then you should wait until August to fly from Buenos Aires, when ticket prices are also cheap, with an average price of $1,165.

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 38% 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 October 2025, prices for Buenos Aires to Seattle flights are approximately 13% cheaper 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

Direct flights	None

There are no direct flights from Buenos Aires to Seattle. There are no popular flight routes from Buenos Aires to Seattle.

Search flight deals

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 20m.
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 October 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 (33% of total bookings). The next most popular airlines are Delta (30%), American Airlines (20%), and United Airlines (17%).

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
Delta	PriceFrom $934	Free Cancellation	Rating 7.9 7,992 reviews	Search Delta flights
American Airlines	PriceFrom $1,075	Free Cancellation	Rating 7.2 11,032 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,219	Free Cancellation	Rating 7.4 8,999 reviews	Search United Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Redmond

Tukwila

Federal Way

Lakewood

Cle Elum

Fife

Centralia

Kirkland

Shoreline

Westport

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 $455

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 11/23. 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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Filter for what you want

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American Airlines flights from Buenos Aires to Seattle

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

Delta flights from Buenos Aires to Seattle

Our best Delta deals on Buenos Aires to Seattle flight tickets

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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 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 38% 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 October 2025, prices for Buenos Aires to Seattle flights are approximately 13% cheaper 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, Avianca, and GOL are the most popular carriers operating from Buenos Aires to Seattle/Tacoma Intl

What airlines fly to Seattle?

Which airport is the most popular layover for flights between Buenos Aires and Seattle?

Houston (IAH) was the most common stop: 88% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Buenos Aires to Seattle?

Flights via Houston (IAH) offer the lowest average round-trip price of $1,582.

Which layover airport has the shortest travel time from Buenos Aires to Seattle?

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 17h 07m.

Which layover airport has the shortest connection time from Buenos Aires to Seattle?

Atlanta (ATL) has the shortest average layover time for this route: 1h 55m.

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

Direct flights

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