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Cheap flights from Buenos Aires to Seattle from $475

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 11/7. 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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0 bags

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Find the cheapest flights from Buenos Aires to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:35 pm - 12:00 pm
EZE
-
SEA
19h 25m
1 stop
American Airlines Logo
1:00 pm - 8:50 am
SEA
-
EZE
15h 50m
1 stop
$957American Airlines
Thu, Jun 11 - Thu, Jun 18
American Airlines Logo
8:35 pm - 1:57 pm
EZE
-
SEA
21h 22m
2 stops
American Airlines Logo
7:31 am - 7:05 am
SEA
-
EZE
19h 34m
2 stops
$961American Airlines
Thu, Jun 11 - Thu, Jun 18
LATAM Airlines Logo
7:21 pm - 12:58 pm
EZE
-
SEA
21h 37m
2 stops
LATAM Airlines Logo
8:25 am - 9:40 am
SEA
-
EZE
21h 15m
1 stop
$970LATAM Airlines
Mon, Sep 21 - Wed, Oct 21
Multiple Airlines Logo
3:55 am - 9:57 pm
EZE
-
SEA
22h 02m
2 stops
Multiple Airlines Logo
8:25 am - 9:40 am
SEA
-
EZE
21h 15m
1 stop
$984Multiple Airlines
Sun, Sep 20 - Wed, Oct 21
LATAM Airlines Logo
8:10 pm - 10:05 am
EZE
-
SEA
17h 55m
1 stop
LATAM Airlines Logo
8:25 am - 9:40 am
SEA
-
EZE
21h 15m
1 stop
$991LATAM Airlines
Mon, Sep 21 - Wed, Oct 21
Delta Logo
1:10 pm - 10:00 am
EZE
-
SEA
24h 50m
1 stop
Delta Logo
9:45 pm - 9:45 am
SEA
-
EZE
32h 00m
1 stop
$1,003Delta
Wed, Jun 24 - Wed, Jul 8
United Airlines Logo
9:00 pm - 7:08 pm
EZE
-
SEA
26h 08m
1 stop
United Airlines Logo
7:00 am - 8:00 am
SEA
-
EZE
21h 00m
1 stop
$1,012United Airlines
Wed, Aug 12 - Mon, Aug 31
LATAM Airlines Logo
3:45 pm - 2:40 pm
AEP
-
SEA
26h 55m
2 stops
LATAM Airlines Logo
8:25 am - 7:40 pm
SEA
-
AEP
31h 15m
2 stops
$1,012LATAM Airlines
Wed, Aug 12 - Mon, Aug 31
United Airlines Logo
9:00 pm - 12:40 pm
EZE
-
SEA
19h 40m
1 stop
United Airlines Logo
8:40 pm - 8:00 am
SEA
-
EZE
31h 20m
2 stops
$1,016United Airlines
Mon, Sep 21 - Sun, Sep 27
Multiple Airlines Logo
1:10 pm - 10:00 pm
EZE
-
SEA
36h 50m
1 stop
Multiple Airlines Logo
8:12 am - 9:40 am
SEA
-
EZE
21h 28m
1 stop
$1,024Multiple Airlines
Thu, Aug 6 - Tue, Aug 18

Delta flights from Buenos Aires to Seattle

Our best Delta deals on Buenos Aires to Seattle flight tickets
Delta
Jun 24
EZE1:10 pmBuenos Aires Ministro Pistarini
24h 50m
1 stop
SEA10:00 amSeattle/Tacoma Intl
Jul 8
SEA9:45 pmSeattle/Tacoma Intl
32h 00m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$1,003
Delta
May 20
EZE3:55 amBuenos Aires Ministro Pistarini
34h 10m
2 stops
SEA10:05 amSeattle/Tacoma Intl
Jun 3
SEA1:30 pmSeattle/Tacoma Intl
16h 15m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$1,005
Delta
May 20
EZE3:55 amBuenos Aires Ministro Pistarini
34h 10m
2 stops
SEA10:05 amSeattle/Tacoma Intl
Jun 3
SEA9:35 pmSeattle/Tacoma Intl
28h 35m
2 stops
EZE6:10 amBuenos Aires Ministro Pistarini
$1,301

LATAM Airlines flights from Buenos Aires to Seattle

Our best LATAM Airlines deals on Buenos Aires to Seattle flight tickets
LATAM Airlines
Sep 21
EZE7:21 pmBuenos Aires Ministro Pistarini
21h 37m
2 stops
SEA12:58 pmSeattle/Tacoma Intl
Oct 21
SEA8:25 amSeattle/Tacoma Intl
21h 15m
1 stop
EZE9:40 amBuenos Aires Ministro Pistarini
$970
LATAM Airlines
Sep 21
EZE8:10 pmBuenos Aires Ministro Pistarini
17h 55m
1 stop
SEA10:05 amSeattle/Tacoma Intl
Oct 21
SEA8:25 amSeattle/Tacoma Intl
21h 15m
1 stop
EZE9:40 amBuenos Aires Ministro Pistarini
$991
LATAM Airlines
Aug 12
AEP3:45 pmBuenos Aires Jorge Newbery
26h 55m
2 stops
SEA2:40 pmSeattle/Tacoma Intl
Aug 31
SEA8:25 amSeattle/Tacoma Intl
31h 15m
2 stops
AEP7:40 pmBuenos Aires Jorge Newbery
$1,012

momondo Fare Finder

 
Customize your flight search to find flights from Buenos Aires to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 15, 2026.
Use the filters below to find and compare flights from Buenos Aires to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 6/11

8:35 pm-12:00 pm

1 stop19h 25m

Seattle/Tacoma Intl

Thu 6/18

1:00 pm-8:50 am

1 stop15h 50m

$957

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 6/11

8:35 pm-1:57 pm

2 stops21h 22m

Seattle/Tacoma Intl

Thu 6/18

7:31 am-7:05 am

2 stops19h 34m

$961

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 9/21

7:21 pm-12:58 pm

2 stops21h 37m

Seattle/Tacoma Intl

Wed 10/21

8:25 am-9:40 am

1 stop21h 15m

$970

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sun 9/20

3:55 am-9:57 pm

2 stops22h 02m

Seattle/Tacoma Intl

Wed 10/21

8:25 am-9:40 am

1 stop21h 15m

$984

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 9/21

8:10 pm-10:05 am

1 stop17h 55m

Seattle/Tacoma Intl

Wed 10/21

8:25 am-9:40 am

1 stop21h 15m

$991

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 6/24

1:10 pm-10:00 am

1 stop24h 50m

Seattle/Tacoma Intl

Wed 7/8

9:45 pm-9:45 am

1 stop32h 00m

$1,003

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 8/12

9:00 pm-7:08 pm

1 stop26h 08m

Seattle/Tacoma Intl

Mon 8/31

7:00 am-8:00 am

1 stop21h 00m

$1,012

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Wed 8/12

3:45 pm-2:40 pm

2 stops26h 55m

Seattle/Tacoma Intl

Mon 8/31

8:25 am-7:40 pm

2 stops31h 15m

$1,012

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 9/21

9:00 pm-12:40 pm

1 stop19h 40m

Seattle/Tacoma Intl

Sun 9/27

8:40 pm-8:00 am

2 stops31h 20m

$1,016

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 8/6

1:10 pm-10:00 pm

1 stop36h 50m

Seattle/Tacoma Intl

Tue 8/18

8:12 am-9:40 am

1 stop21h 28m

$1,024

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

In general, May 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 $763. If you don’t want to visit Seattle in May, then you should wait until June to fly from Buenos Aires, when ticket prices are also cheap, with an average price of $871.

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

You could potentially save up to 5% 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?

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

17h 55m

Direct flights

None
The fastest flight from Buenos Aires to Seattle takes 17h 55m
There are no direct flights from Buenos Aires to Seattle. There are no popular flight routes from Buenos Aires to Seattle.
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Frequently asked questions about flying from Buenos Aires to Seattle

  • 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 17h 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?

  • 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?

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 AirlinesPriceFrom $1,075Free CancellationRating
7.1
11,665 reviews
Search American Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Tukwila
Puyallup
Marysville
Lakewood
Cle Elum
Federal Way
Centralia
Fife
Westport
Shoreline
Tumwater

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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