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

Houston (IAH) was the most common stop: 45% 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?

Dallas (DFW) has the shortest average layover time for this route: 2h 07m.

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 43% 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.

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 January 2026.

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.

$374 Cheap Flights from Buenos Aires to Seattle in 2026

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One-way

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Cheap round-trip flights

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4:45 pm - 9:31 am

EZE

SEA

45h 46m

3 stops

8:00 pm - 3:10 pm

SEA

EZE

39h 10m

3 stops

$968Air Canada

jue., mar. 5 - mié., mar. 18

4:35 pm - 7:37 pm

EZE

SEA

31h 02m

2 stops

9:55 am - 2:30 pm

SEA

EZE

24h 35m

3 stops

$983Air Canada

jue., may. 14 - mar., may. 26

2:48 pm - 6:20 pm

EZE

SEA

32h 32m

2 stops

8:08 am - 4:30 am

SEA

EZE

39h 22m

1 stop

$984Multiple Airlines

vie., feb. 13 - lun., mar. 2

4:35 pm - 10:20 am

EZE

SEA

45h 45m

3 stops

5:40 am - 2:30 pm

SEA

EZE

28h 50m

3 stops

$991Air Canada

jue., may. 14 - mar., may. 26

4:35 pm - 10:20 am

EZE

SEA

45h 45m

3 stops

11:15 am - 2:30 pm

SEA

EZE

47h 15m

3 stops

$999Air Canada

jue., may. 14 - jue., may. 28

4:35 pm - 2:20 pm

EZE

SEA

25h 45m

2 stops

7:15 am - 2:30 pm

SEA

EZE

27h 15m

1 stop

$1,002Avianca

lun., may. 18 - mar., may. 26

4:35 pm - 2:20 pm

EZE

SEA

25h 45m

2 stops

11:15 am - 2:30 pm

SEA

EZE

23h 15m

2 stops

$1,007Azul

lun., may. 18 - mar., may. 26

5:05 pm - 9:59 pm

AEP

SEA

32h 54m

2 stops

11:50 am - 6:40 pm

SEA

AEP

26h 50m

2 stops

$1,043LATAM Airlines

vie., may. 15 - jue., may. 28

7:40 pm - 9:59 pm

AEP

SEA

30h 19m

2 stops

7:20 am - 2:45 pm

SEA

AEP

27h 25m

2 stops

$1,081LATAM Airlines

vie., may. 29 - lun., jun. 15

3:40 pm - 12:58 pm

AEP

SEA

25h 18m

2 stops

9:15 pm - 7:40 am

SEA

AEP

30h 25m

2 stops

$1,087Multiple Airlines

dom., may. 17 - jue., may. 28

American Airlines flights from Buenos Aires to Seattle

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

American Airlines

Mar 19

EZE10:25 pmBuenos Aires Ministro Pistarini

18h 29m

1 stop

SEA12:54 pmSeattle/Tacoma Intl

Apr 14

SEA7:00 amSeattle/Tacoma Intl

20h 15m

2 stops

EZE7:15 amBuenos Aires Ministro Pistarini

$1,086

American Airlines

Mar 19

EZE10:25 pmBuenos Aires Ministro Pistarini

18h 29m

1 stop

SEA12:54 pmSeattle/Tacoma Intl

Apr 14

SEA10:16 pmSeattle/Tacoma Intl

27h 44m

1 stop

EZE6:00 amBuenos Aires Ministro Pistarini

$1,100

American Airlines

Jan 21

EZE10:10 amBuenos Aires Ministro Pistarini

18h 32m

1 stop

SEA11:42 pmSeattle/Tacoma Intl

Jan 28

SEA6:00 amSeattle/Tacoma Intl

21h 25m

1 stop

EZE8:25 amBuenos Aires Ministro Pistarini

$1,289

Avianca flights from Buenos Aires to Seattle

Our best Avianca deals on Buenos Aires to Seattle flight tickets

Avianca

May 18

EZE4:35 pmBuenos Aires Ministro Pistarini

25h 45m

2 stops

SEA2:20 pmSeattle/Tacoma Intl

May 26

SEA7:15 amSeattle/Tacoma Intl

27h 15m

1 stop

EZE2:30 pmBuenos Aires Ministro Pistarini

$1,002

Avianca

Jan 22

EZE11:55 pmBuenos Aires Ministro Pistarini

17h 54m

1 stop

SEA12:49 pmSeattle/Tacoma Intl

Jan 29

SEA7:00 amSeattle/Tacoma Intl

19h 20m

2 stops

EZE7:20 amBuenos Aires Ministro Pistarini

$1,328

Avianca

Jan 18

EZE10:05 pmBuenos Aires Ministro Pistarini

20h 52m

2 stops

SEA1:57 pmSeattle/Tacoma Intl

Jan 20

SEA9:25 amSeattle/Tacoma Intl

18h 55m

2 stops

EZE9:20 amBuenos Aires Ministro Pistarini

$1,656

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

jue. 3/5

4:45 pm-9:31 am

3 stops45h 46m

Seattle/Tacoma Intl

mié. 3/18

8:00 pm-3:10 pm

3 stops39h 10m

$968

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

jue. 5/14

4:35 pm-7:37 pm

2 stops31h 02m

Seattle/Tacoma Intl

mar. 5/26

9:55 am-2:30 pm

3 stops24h 35m

$983

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

vie. 2/13

2:48 pm-6:20 pm

2 stops32h 32m

Seattle/Tacoma Intl

lun. 3/2

8:08 am-4:30 am

1 stop39h 22m

$984

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

jue. 5/14

4:35 pm-10:20 am

3 stops45h 45m

Seattle/Tacoma Intl

mar. 5/26

5:40 am-2:30 pm

3 stops28h 50m

$991

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

jue. 5/14

4:35 pm-10:20 am

3 stops45h 45m

Seattle/Tacoma Intl

jue. 5/28

11:15 am-2:30 pm

3 stops47h 15m

$999

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

lun. 5/18

4:35 pm-2:20 pm

2 stops25h 45m

Seattle/Tacoma Intl

mar. 5/26

7:15 am-2:30 pm

1 stop27h 15m

$1,002

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

lun. 5/18

4:35 pm-2:20 pm

2 stops25h 45m

Seattle/Tacoma Intl

mar. 5/26

11:15 am-2:30 pm

2 stops23h 15m

$1,007

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

vie. 5/15

5:05 pm-9:59 pm

2 stops32h 54m

Seattle/Tacoma Intl

jue. 5/28

11:50 am-6:40 pm

2 stops26h 50m

$1,043

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

vie. 5/29

7:40 pm-9:59 pm

2 stops30h 19m

Seattle/Tacoma Intl

lun. 6/15

7:20 am-2:45 pm

2 stops27h 25m

$1,081

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

dom. 5/17

3:40 pm-12:58 pm

2 stops25h 18m

Seattle/Tacoma Intl

jue. 5/28

9:15 pm-7:40 am

2 stops30h 25m

$1,087

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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, 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 $1,101. If you don’t want to visit Seattle in March, then you should wait until October to fly from Buenos Aires, when ticket prices are also cheap, with an average price of $1,148.

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

You could potentially save up to 16% 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 January 2026, prices for Buenos Aires to Seattle flights are approximately 11% 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

Fastest flight time	18h 06m
Direct flights	None

The fastest flight from Buenos Aires to Seattle takes 18h 06m

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 06m.
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 January 2026.
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 (31% of total bookings). The next most popular airlines are LATAM Airlines (30%), American Airlines (21%), and United Airlines (18%).

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 8,051 reviews	Search Delta flights
American Airlines	PriceFrom $1,075	Free Cancellation	Rating 7.2 11,136 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,219	Free Cancellation	Rating 7.4 9,164 reviews	Search United Airlines flights

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Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Cle Elum

Lakewood

Federal Way

Fife

Kirkland

Westport

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 $374

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 3/5. 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

Avianca flights from Buenos Aires to Seattle

Our best Avianca 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?

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

You could potentially save up to 16% 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 January 2026, prices for Buenos Aires to Seattle flights are approximately 11% more expensive when compared to flights at the same time last year.

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: 45% 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?

Dallas (DFW) has the shortest average layover time for this route: 2h 07m.

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.

Find better results for your trip to the United States

Airports servicing Washington