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.

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

Avianca, Copa Airlines, and Air Canada 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: 88% of momondo users choosing 1-stop flights on this route connected there.

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 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.

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 September 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.

$461 Cheap Flights from Buenos Aires to Seattle in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Buenos Aires to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

10:25 pm - 12:45 pmEZE-SEA

19h 20m1 stop

10:01 am - 8:30 amSEA-EZE

18h 29m1 stop

$984American Airlines

Find Deal

Tue, Feb 10 - Mon, Mar 16

10:25 pm - 2:49 pmEZE-SEA

21h 24m1 stop

1:33 am - 8:30 amSEA-EZE

26h 57m1 stop

$997American Airlines

Find Deal

Tue, Feb 10 - Sun, Mar 15

4:35 pm - 9:21 amEZE-SEA

44h 46m3 stops

10:00 am - 2:30 pmSEA-EZE

48h 30m3 stops

$998Air Canada

Find Deal

Wed, Oct 8 - Sat, Oct 18

7:43 pm - 1:00 pmEZE-SEA

21h 17m2 stops

10:10 am - 6:43 pmSEA-EZE

27h 33m2 stops

$1,002LATAM Airlines

Find Deal

Thu, Oct 30 - Thu, Nov 6

7:43 pm - 1:00 pmEZE-SEA

22h 17m2 stops

8:35 am - 9:15 amSEA-EZE

19h 40m2 stops

$1,020LATAM Airlines

Find Deal

Thu, Nov 20 - Thu, Jan 1

8:55 pm - 2:41 pmEZE-SEA

22h 46m1 stop

6:00 am - 10:15 amSEA-EZE

23h 15m2 stops

$1,033Delta

Find Deal

Wed, Dec 17 - Wed, Jan 7

4:35 pm - 2:31 pmEZE-SEA

49h 56m3 stops

8:00 pm - 3:10 pmSEA-EZE

39h 10m3 stops

$1,052Air Canada

Find Deal

Sat, Oct 25 - Sat, Nov 1

10:55 pm - 9:13 pmEZE-SEA

26h 18m2 stops

7:13 pm - 9:20 amSEA-EZE

33h 07m2 stops

$1,126United Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

8:10 pm - 3:50 pmEZE-SEA

23h 40m1 stop

11:40 am - 1:40 pmSEA-EZE

22h 00m2 stops

$1,211Delta

Find Deal

Tue, Oct 7 - Sat, Oct 18

10:05 pm - 4:15 pmEZE-SEA

23h 10m2 stops

5:05 am - 7:20 amSEA-EZE

21h 15m2 stops

$1,284United Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

LATAM Airlines flights from Buenos Aires to Seattle

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

LATAM Airlines

Oct 30

EZE7:43 pmBuenos Aires Ministro Pistarini

21h 17m

2 stops

SEA1:00 pmSeattle/Tacoma Intl

Nov 6

SEA10:10 amSeattle/Tacoma Intl

27h 33m

2 stops

EZE6:43 pmBuenos Aires Ministro Pistarini

$1,002

Find similar

LATAM Airlines

Nov 20

EZE7:43 pmBuenos Aires Ministro Pistarini

22h 17m

2 stops

SEA1:00 pmSeattle/Tacoma Intl

Jan 1

SEA8:35 amSeattle/Tacoma Intl

19h 40m

2 stops

EZE9:15 amBuenos Aires Ministro Pistarini

$1,020

Find similar

LATAM Airlines

Oct 30

AEP8:25 pmBuenos Aires Jorge Newbery

22h 13m

2 stops

SEA2:38 pmSeattle/Tacoma Intl

Nov 6

SEA11:28 amSeattle/Tacoma Intl

26h 12m

2 stops

AEP6:40 pmBuenos Aires Jorge Newbery

$1,042

Find similar

Delta flights from Buenos Aires to Seattle

Our best Delta deals on Buenos Aires to Seattle flight tickets

Delta

Dec 17

EZE8:55 pmBuenos Aires Ministro Pistarini

22h 46m

1 stop

SEA2:41 pmSeattle/Tacoma Intl

Jan 7

SEA6:00 amSeattle/Tacoma Intl

23h 15m

2 stops

EZE10:15 amBuenos Aires Ministro Pistarini

$1,033

Find similar

Delta

Oct 7

EZE8:10 pmBuenos Aires Ministro Pistarini

23h 40m

1 stop

SEA3:50 pmSeattle/Tacoma Intl

Oct 18

SEA11:40 amSeattle/Tacoma Intl

22h 00m

2 stops

EZE1:40 pmBuenos Aires Ministro Pistarini

$1,211

Find similar

Delta

Dec 20

EZE10:15 pmBuenos Aires Ministro Pistarini

29h 07m

1 stop

SEA10:22 pmSeattle/Tacoma Intl

Jan 7

SEA6:00 amSeattle/Tacoma Intl

20h 20m

1 stop

EZE7:20 amBuenos Aires Ministro Pistarini

$1,242

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 2/10

10:25 pm-12:45 pm

1 stop19h 20m

Seattle/Tacoma Intl

Mon 3/16

10:01 am-8:30 am

1 stop18h 29m

$984

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 2/10

10:25 pm-2:49 pm

1 stop21h 24m

Seattle/Tacoma Intl

Sun 3/15

1:33 am-8:30 am

1 stop26h 57m

$997

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 10/8

4:35 pm-9:21 am

3 stops44h 46m

Seattle/Tacoma Intl

Sat 10/18

10:00 am-2:30 pm

3 stops48h 30m

$998

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 10/30

7:43 pm-1:00 pm

2 stops21h 17m

Seattle/Tacoma Intl

Thu 11/6

10:10 am-6:43 pm

2 stops27h 33m

$1,002

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 11/20

7:43 pm-1:00 pm

2 stops22h 17m

Seattle/Tacoma Intl

Thu 1/1

8:35 am-9:15 am

2 stops19h 40m

$1,020

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 12/17

8:55 pm-2:41 pm

1 stop22h 46m

Seattle/Tacoma Intl

Wed 1/7

6:00 am-10:15 am

2 stops23h 15m

$1,033

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sat 10/25

4:35 pm-2:31 pm

3 stops49h 56m

Seattle/Tacoma Intl

Sat 11/1

8:00 pm-3:10 pm

3 stops39h 10m

$1,052

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Fri 10/31

10:55 pm-9:13 pm

2 stops26h 18m

Seattle/Tacoma Intl

Fri 11/7

7:13 pm-9:20 am

2 stops33h 07m

$1,126

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 10/7

8:10 pm-3:50 pm

1 stop23h 40m

Seattle/Tacoma Intl

Sat 10/18

11:40 am-1:40 pm

2 stops22h 00m

$1,211

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 11/13

10:05 pm-4:15 pm

2 stops23h 10m

Seattle/Tacoma Intl

Mon 11/17

5:05 am-7:20 am

2 stops21h 15m

$1,284

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, August 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 $1,165. If you don’t want to visit Seattle in August, then you should wait until April to fly from Buenos Aires, when ticket prices are also cheap, with an average price of $1,204.

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 31% 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 September 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

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 19h 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 September 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 (28%), American Airlines (20%), 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 7,961 reviews	Search Delta flights
American Airlines	PriceFrom $1,075	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,219	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Federal Way

Kirkland

Tukwila

Shoreline

Lakewood

Centralia

Fife

Cle Elum

Redmond

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

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Fri 10/17

Fri 10/24

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Cheap flights from Buenos Aires to Seattle from $461

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 10/26. 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

Delta flights from Buenos Aires to Seattle

Our best Delta deals on Buenos Aires to Seattle flight tickets

momondo Fare Finder

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

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 31% 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 September 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?

Avianca, Copa Airlines, and Air Canada 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