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Cheap flights from Buenos Aires to Seattle from $489

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 3/16. 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.
Multiple Airlines Logo
1:20 pm - 10:00 pm
EZE
-
SEA
36h 40m
1 stop
Multiple Airlines Logo
10:57 am - 6:10 am
SEA
-
EZE
39h 13m
2 stops
$943Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
1:20 pm - 10:00 pm
EZE
-
SEA
36h 40m
1 stop
Multiple Airlines Logo
5:59 pm - 10:25 pm
SEA
-
EZE
24h 26m
2 stops
$997Multiple Airlines
Mon, Apr 6 - Mon, Apr 13
Multiple Airlines Logo
7:21 pm - 4:44 pm
EZE
-
SEA
49h 23m
3 stops
Multiple Airlines Logo
8:00 am - 8:35 am
SEA
-
EZE
20h 35m
1 stop
$1,012Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
11:00 am - 10:00 pm
EZE
-
SEA
39h 00m
1 stop
Multiple Airlines Logo
9:36 pm - 3:45 am
SEA
-
EZE
26h 09m
2 stops
$1,024Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
1:20 pm - 10:00 pm
EZE
-
SEA
36h 40m
1 stop
Multiple Airlines Logo
10:43 pm - 5:05 am
SEA
-
EZE
26h 22m
3 stops
$1,025Multiple Airlines
Mon, Apr 6 - Mon, Apr 13
American Airlines Logo
8:40 pm - 3:51 pm
EZE
-
SEA
23h 11m
2 stops
American Airlines Logo
11:22 pm - 7:10 am
SEA
-
EZE
27h 48m
1 stop
$1,050American Airlines
Fri, May 1 - Sun, Jun 7
American Airlines Logo
10:20 pm - 7:36 pm
EZE
-
SEA
25h 16m
2 stops
American Airlines Logo
10:27 am - 8:50 am
SEA
-
EZE
18h 23m
2 stops
$1,061American Airlines
Fri, May 1 - Sun, Jun 7
Air Canada Logo
4:45 pm - 7:16 pm
EZE
-
SEA
54h 31m
3 stops
Air Canada Logo
5:40 am - 3:10 pm
SEA
-
EZE
53h 30m
3 stops
$1,067Air Canada
Wed, Mar 18 - Wed, Mar 25
LATAM Airlines Logo
7:40 pm - 12:33 pm
AEP
-
SEA
20h 53m
2 stops
LATAM Airlines Logo
7:20 am - 2:50 pm
SEA
-
AEP
27h 30m
2 stops
$1,167LATAM Airlines
Wed, Jun 3 - Sun, Jun 14
LATAM Airlines Logo
3:45 pm - 12:35 pm
AEP
-
SEA
24h 50m
2 stops
LATAM Airlines Logo
7:20 am - 2:50 pm
SEA
-
AEP
27h 30m
2 stops
$1,171LATAM Airlines
Wed, May 6 - Wed, Jun 17

United Airlines flights from Buenos Aires to Seattle

Our best United Airlines deals on Buenos Aires to Seattle flight tickets
United Airlines
May 8
EZE9:00 pmBuenos Aires Ministro Pistarini
26h 00m
2 stops
SEA7:00 pmSeattle/Tacoma Intl
May 22
SEA5:00 amSeattle/Tacoma Intl
23h 00m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
$1,237
United Airlines
May 8
EZE9:00 pmBuenos Aires Ministro Pistarini
26h 00m
2 stops
SEA7:00 pmSeattle/Tacoma Intl
May 22
SEA5:00 amSeattle/Tacoma Intl
23h 00m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
$1,274

LATAM Airlines flights from Buenos Aires to Seattle

Our best LATAM Airlines deals on Buenos Aires to Seattle flight tickets
LATAM Airlines
May 6
AEP3:45 pmBuenos Aires Jorge Newbery
26h 44m
2 stops
SEA2:29 pmSeattle/Tacoma Intl
Jun 17
SEA7:20 amSeattle/Tacoma Intl
27h 30m
2 stops
AEP2:50 pmBuenos Aires Jorge Newbery
$1,171
LATAM Airlines
May 8
EZE11:30 amBuenos Aires Ministro Pistarini
29h 05m
2 stops
SEA12:35 pmSeattle/Tacoma Intl
May 22
SEA6:00 amSeattle/Tacoma Intl
25h 30m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
$1,194
LATAM Airlines
May 1
AEP3:45 pmBuenos Aires Jorge Newbery
27h 06m
2 stops
SEA2:51 pmSeattle/Tacoma Intl
May 12
SEA8:00 amSeattle/Tacoma Intl
26h 50m
2 stops
AEP2:50 pmBuenos Aires Jorge Newbery
$1,196

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 February 22, 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

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 4/7

1:20 pm-10:00 pm

1 stop36h 40m

Seattle/Tacoma Intl

Tue 4/14

10:57 am-6:10 am

2 stops39h 13m

$943

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 4/6

1:20 pm-10:00 pm

1 stop36h 40m

Seattle/Tacoma Intl

Mon 4/13

5:59 pm-10:25 pm

2 stops24h 26m

$997

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 4/7

7:21 pm-4:44 pm

3 stops49h 23m

Seattle/Tacoma Intl

Tue 4/14

8:00 am-8:35 am

1 stop20h 35m

$1,012

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 3/18

11:00 am-10:00 pm

1 stop39h 00m

Seattle/Tacoma Intl

Wed 3/25

9:36 pm-3:45 am

2 stops26h 09m

$1,024

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 4/6

1:20 pm-10:00 pm

1 stop36h 40m

Seattle/Tacoma Intl

Mon 4/13

10:43 pm-5:05 am

3 stops26h 22m

$1,025

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Fri 5/1

8:40 pm-3:51 pm

2 stops23h 11m

Seattle/Tacoma Intl

Sun 6/7

11:22 pm-7:10 am

1 stop27h 48m

$1,050

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Fri 5/1

10:20 pm-7:36 pm

2 stops25h 16m

Seattle/Tacoma Intl

Sun 6/7

10:27 am-8:50 am

2 stops18h 23m

$1,061

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 3/18

4:45 pm-7:16 pm

3 stops54h 31m

Seattle/Tacoma Intl

Wed 3/25

5:40 am-3:10 pm

3 stops53h 30m

$1,067

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Wed 6/3

7:40 pm-12:33 pm

2 stops20h 53m

Seattle/Tacoma Intl

Sun 6/14

7:20 am-2:50 pm

2 stops27h 30m

$1,167

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Wed 5/6

3:45 pm-12:35 pm

2 stops24h 50m

Seattle/Tacoma Intl

Wed 6/17

7:20 am-2:50 pm

2 stops27h 30m

$1,171

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 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 $1,042. 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 13% 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 February 2026, prices for Buenos Aires to Seattle flights are approximately 7% 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

20h 53m

Direct flights

None
The fastest flight from Buenos Aires to Seattle takes 20h 53m
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 20h 53m.

  • 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
DeltaPriceFrom $934Free CancellationRating
7.9
8,241 reviews
Search Delta flights
American AirlinesPriceFrom $1,075Free CancellationRating
7.2
11,338 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,219Free CancellationRating
7.4
9,341 reviews
Search United 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
Kent
Marysville
Redmond
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Kirkland
Fife
Westport
Centralia
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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