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

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

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

Houston (IAH) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

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 40% 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 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 offers the lowest fares from Buenos Aires to Seattle?

Flights via Dallas (DFW) offer the lowest average round-trip price of $1,191.

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 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 December 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.

$495 Cheap Flights from Buenos Aires to Seattle in 2025/26

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10:25 pm - 8:00 pm

EZE

SEA

26h 35m1 stop

6:05 am - 9:00 am

SEA

EZE

21h 55m1 stop

$1,034Delta

Fri, Jan 30 - Sun, Feb 15

5:16 am - 10:59 pm

EZE

SEA

21h 43m2 stops

1:16 pm - 10:25 pm

SEA

EZE

29h 09m2 stops

$1,094Copa Airlines

Fri, Mar 27 - Thu, Apr 30

12:00 pm - 12:32 pm

EZE

SEA

28h 32m2 stops

1:45 pm - 9:45 am

SEA

EZE

16h 00m1 stop

$1,123LATAM Airlines

Fri, Mar 27 - Thu, Apr 30

8:05 pm - 9:59 pm

AEP

SEA

29h 54m2 stops

8:25 am - 6:30 pm

SEA

AEP

30h 05m2 stops

$1,123LATAM Airlines

Thu, May 14 - Fri, May 22

3:45 pm - 9:59 pm

EZE

SEA

34h 14m2 stops

8:25 am - 2:45 pm

SEA

EZE

26h 20m2 stops

$1,150LATAM Airlines

Fri, May 8 - Fri, May 22

8:30 pm - 11:16 pm

EZE

SEA

30h 46m1 stop

1:38 am - 7:15 am

SEA

EZE

25h 37m1 stop

$1,172American Airlines

Thu, May 14 - Thu, May 21

8:30 pm - 2:40 pm

EZE

SEA

22h 10m2 stops

1:38 am - 7:15 am

SEA

EZE

25h 37m1 stop

$1,206American Airlines

Thu, May 14 - Thu, May 21

4:45 pm - 10:16 pm

EZE

SEA

34h 31m2 stops

8:10 am - 3:10 pm

SEA

EZE

27h 00m2 stops

$1,239Air Canada

Wed, Mar 4 - Sun, Mar 8

4:45 pm - 10:16 pm

EZE

SEA

34h 31m2 stops

8:10 am - 3:10 pm

SEA

EZE

27h 00m2 stops

$1,241Air Canada

Wed, Mar 4 - Sun, Mar 8

5:15 pm - 10:16 pm

AEP

SEA

34h 01m3 stops

5:50 am - 1:00 pm

SEA

AEP

26h 10m3 stops

$1,913Multiple Airlines

Thu, Jan 22 - Thu, Jan 29

LATAM Airlines flights from Buenos Aires to Seattle

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

LATAM Airlines

Mar 27

EZE12:00 pmBuenos Aires Ministro Pistarini

28h 32m

2 stops

SEA12:32 pmSeattle/Tacoma Intl

Apr 30

SEA1:45 pmSeattle/Tacoma Intl

16h 00m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

$1,123

Find similar

LATAM Airlines

May 8

EZE3:45 pmBuenos Aires Ministro Pistarini

34h 14m

2 stops

SEA9:59 pmSeattle/Tacoma Intl

May 22

SEA8:25 amSeattle/Tacoma Intl

26h 20m

2 stops

EZE2:45 pmBuenos Aires Ministro Pistarini

$1,150

Find similar

LATAM Airlines

May 8

EZE3:45 pmBuenos Aires Ministro Pistarini

34h 14m

2 stops

SEA9:59 pmSeattle/Tacoma Intl

May 22

SEA8:25 amSeattle/Tacoma Intl

20h 10m

1 stop

EZE8:35 amBuenos Aires Ministro Pistarini

$1,257

Find similar

Delta flights from Buenos Aires to Seattle

Our best Delta deals on Buenos Aires to Seattle flight tickets

Delta

Jan 30

EZE10:25 pmBuenos Aires Ministro Pistarini

26h 35m

1 stop

SEA8:00 pmSeattle/Tacoma Intl

Feb 15

SEA6:05 amSeattle/Tacoma Intl

21h 55m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

$1,034

Find similar

Delta

Jan 30

EZE10:25 pmBuenos Aires Ministro Pistarini

25h 17m

2 stops

SEA6:42 pmSeattle/Tacoma Intl

Feb 15

SEA6:05 amSeattle/Tacoma Intl

21h 55m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

$1,233

Find similar

Delta

Jan 25

EZE10:25 pmBuenos Aires Ministro Pistarini

29h 00m

1 stop

SEA10:25 pmSeattle/Tacoma Intl

Feb 1

SEA8:15 amSeattle/Tacoma Intl

18h 05m

1 stop

EZE7:20 amBuenos Aires Ministro Pistarini

$1,538

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Fri 1/30

10:25 pm-8:00 pm

1 stop26h 35m

Seattle/Tacoma Intl

Sun 2/15

6:05 am-9:00 am

1 stop21h 55m

$1,034

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Fri 3/27

5:16 am-10:59 pm

2 stops21h 43m

Seattle/Tacoma Intl

Thu 4/30

1:16 pm-10:25 pm

2 stops29h 09m

$1,094

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Fri 3/27

12:00 pm-12:32 pm

2 stops28h 32m

Seattle/Tacoma Intl

Thu 4/30

1:45 pm-9:45 am

1 stop16h 00m

$1,123

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 5/14

8:05 pm-9:59 pm

2 stops29h 54m

Seattle/Tacoma Intl

Fri 5/22

8:25 am-6:30 pm

2 stops30h 05m

$1,123

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Fri 5/8

3:45 pm-9:59 pm

2 stops34h 14m

Seattle/Tacoma Intl

Fri 5/22

8:25 am-2:45 pm

2 stops26h 20m

$1,150

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 5/14

8:30 pm-11:16 pm

1 stop30h 46m

Seattle/Tacoma Intl

Thu 5/21

1:38 am-7:15 am

1 stop25h 37m

$1,172

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 5/14

8:30 pm-2:40 pm

2 stops22h 10m

Seattle/Tacoma Intl

Thu 5/21

1:38 am-7:15 am

1 stop25h 37m

$1,206

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 3/4

4:45 pm-10:16 pm

2 stops34h 31m

Seattle/Tacoma Intl

Sun 3/8

8:10 am-3:10 pm

2 stops27h 00m

$1,239

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 3/4

4:45 pm-10:16 pm

2 stops34h 31m

Seattle/Tacoma Intl

Sun 3/8

8:10 am-3:10 pm

2 stops27h 00m

$1,241

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 1/22

5:15 pm-10:16 pm

3 stops34h 01m

Seattle/Tacoma Intl

Thu 1/29

5:50 am-1:00 pm

3 stops26h 10m

$1,913

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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 $1,179.

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 22% 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 December 2025, prices for Buenos Aires to Seattle flights are approximately 7% 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

Fastest flight time	21h 04m
Direct flights	None

The fastest flight from Buenos Aires to Seattle takes 21h 04m

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 21h 04m.
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 December 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 Delta (29% of total bookings). The next most popular airlines are LATAM Airlines (29%), American Airlines (24%), 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 8,008 reviews	Search Delta flights
American Airlines	PriceFrom $1,075	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,219	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Redmond

Tukwila

Cle Elum

Federal Way

Lakewood

Fife

Westport

Kirkland

Centralia

Shoreline

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.

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Cheap flights from Buenos Aires to Seattle from $495

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 2/28. 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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Big names and deals

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Filter for what you want

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Find the cheapest flights from Buenos Aires to Seattle

Cheap round-trip flights

Cheap one-way flights

LATAM Airlines flights from Buenos Aires to Seattle

Our best LATAM 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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Use the filters below to find and compare flights from Buenos Aires to Seattle that are best for you.

See travel insights to Seattle from

How to get the cheapest flight ticket from Buenos Aires to 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 22% 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 December 2025, prices for Buenos Aires to Seattle flights are approximately 7% 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?

LATAM Airlines and American Airlines 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: 50% 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 Dallas (DFW) offer the lowest average round-trip price of $1,191.

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

Fastest flight time

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.

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Airports servicing Washington