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Cheap flights from Buenos Aires to Seattle from $588

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 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
3:55 am - 8:39 am
EZE
-
SEA
56h 44m
3 stops
Multiple Airlines Logo
7:55 am - 3:23 am
SEA
-
EZE
39h 28m
2 stops
$1,103Multiple Airlines
Sat, May 9 - Sun, May 17
Multiple Airlines Logo
8:10 pm - 8:39 am
EZE
-
SEA
40h 29m
2 stops
Multiple Airlines Logo
7:55 am - 3:23 am
SEA
-
EZE
39h 28m
2 stops
$1,112Multiple Airlines
Sun, May 10 - Sun, May 17
Multiple Airlines Logo
8:10 pm - 8:39 am
EZE
-
SEA
40h 29m
2 stops
Multiple Airlines Logo
7:55 am - 3:23 am
SEA
-
EZE
39h 28m
2 stops
$1,115Multiple Airlines
Sun, May 10 - Sun, May 17
Multiple Airlines Logo
7:21 pm - 8:39 am
EZE
-
SEA
41h 18m
3 stops
Multiple Airlines Logo
7:55 am - 3:23 am
SEA
-
EZE
39h 28m
2 stops
$1,126Multiple Airlines
Sun, May 10 - Sun, May 17
Multiple Airlines Logo
11:25 pm - 7:49 pm
EZE
-
SEA
48h 24m
3 stops
Multiple Airlines Logo
3:29 pm - 3:23 am
SEA
-
EZE
55h 54m
2 stops
$1,133Multiple Airlines
Thu, Sep 17 - Wed, Sep 30
Air Canada Logo
4:35 pm - 10:07 am
EZE
-
SEA
45h 32m
3 stops
Air Canada Logo
8:00 am - 2:30 pm
SEA
-
EZE
26h 30m
2 stops
$1,142Air Canada
Thu, Aug 6 - Tue, Aug 18
Multiple Airlines Logo
11:00 am - 6:25 pm
EZE
-
SEA
35h 25m
2 stops
Multiple Airlines Logo
9:40 pm - 3:23 am
SEA
-
EZE
49h 43m
2 stops
$1,158Multiple Airlines
Thu, Oct 1 - Wed, Oct 14
LATAM Airlines Logo
7:21 pm - 12:58 pm
EZE
-
SEA
21h 37m
2 stops
LATAM Airlines Logo
8:25 am - 9:20 am
SEA
-
EZE
20h 55m
1 stop
$1,187LATAM Airlines
Thu, Aug 20 - Wed, Sep 2
LATAM Airlines Logo
8:05 pm - 12:29 pm
AEP
-
SEA
20h 24m
2 stops
LATAM Airlines Logo
10:05 am - 2:50 pm
SEA
-
AEP
24h 45m
2 stops
$1,404LATAM Airlines
Fri, Jul 3 - Fri, Aug 7
LATAM Airlines Logo
5:35 pm - 3:05 pm
AEP
-
SEA
25h 30m
2 stops
LATAM Airlines Logo
7:25 am - 7:40 am
SEA
-
AEP
20h 15m
2 stops
$1,481LATAM Airlines
Thu, May 14 - Wed, May 27

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LATAM Airlines flights from Buenos Aires to Seattle

Our best LATAM Airlines deals on Buenos Aires to Seattle flight tickets
LATAM Airlines
Aug 20
EZE7:21 pmBuenos Aires Ministro Pistarini
21h 37m
2 stops
SEA12:58 pmSeattle/Tacoma Intl
Sep 2
SEA8:25 amSeattle/Tacoma Intl
20h 55m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
$1,187
LATAM Airlines
Aug 6
EZE7:21 pmBuenos Aires Ministro Pistarini
21h 06m
2 stops
SEA12:27 pmSeattle/Tacoma Intl
Aug 18
SEA8:25 amSeattle/Tacoma Intl
20h 55m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
$1,216
LATAM Airlines
Oct 1
EZE7:21 pmBuenos Aires Ministro Pistarini
23h 22m
2 stops
SEA2:43 pmSeattle/Tacoma Intl
Oct 14
SEA8:25 amSeattle/Tacoma Intl
20h 55m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
$1,241

American Airlines flights from Buenos Aires to Seattle

Our best American Airlines deals on Buenos Aires to Seattle flight tickets
American Airlines
Sep 21
EZE8:45 pmBuenos Aires Ministro Pistarini
22h 07m
2 stops
SEA2:52 pmSeattle/Tacoma Intl
Oct 21
SEA10:17 amSeattle/Tacoma Intl
18h 33m
2 stops
EZE8:50 amBuenos Aires Ministro Pistarini
$1,259
American Airlines
Sep 21
EZE8:45 pmBuenos Aires Ministro Pistarini
30h 17m
1 stop
SEA11:02 pmSeattle/Tacoma Intl
Oct 21
SEA10:17 amSeattle/Tacoma Intl
18h 33m
2 stops
EZE8:50 amBuenos Aires Ministro Pistarini
$1,262
American Airlines
Sep 20
EZE8:45 pmBuenos Aires Ministro Pistarini
23h 57m
2 stops
SEA4:42 pmSeattle/Tacoma Intl
Oct 20
SEA7:34 amSeattle/Tacoma Intl
21h 16m
2 stops
EZE8:50 amBuenos Aires Ministro Pistarini
$1,266

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 April 20, 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

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sat 5/9

3:55 am-8:39 am

3 stops56h 44m

Seattle/Tacoma Intl

Sun 5/17

7:55 am-3:23 am

2 stops39h 28m

$1,103

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sun 5/10

8:10 pm-8:39 am

2 stops40h 29m

Seattle/Tacoma Intl

Sun 5/17

7:55 am-3:23 am

2 stops39h 28m

$1,112

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sun 5/10

8:10 pm-8:39 am

2 stops40h 29m

Seattle/Tacoma Intl

Sun 5/17

7:55 am-3:23 am

2 stops39h 28m

$1,115

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sun 5/10

7:21 pm-8:39 am

3 stops41h 18m

Seattle/Tacoma Intl

Sun 5/17

7:55 am-3:23 am

2 stops39h 28m

$1,126

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 9/17

11:25 pm-7:49 pm

3 stops48h 24m

Seattle/Tacoma Intl

Wed 9/30

3:29 pm-3:23 am

2 stops55h 54m

$1,133

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 8/6

4:35 pm-10:07 am

3 stops45h 32m

Seattle/Tacoma Intl

Tue 8/18

8:00 am-2:30 pm

2 stops26h 30m

$1,142

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 10/1

11:00 am-6:25 pm

2 stops35h 25m

Seattle/Tacoma Intl

Wed 10/14

9:40 pm-3:23 am

2 stops49h 43m

$1,158
Quickest round-trip

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 8/20

7:21 pm-12:58 pm

2 stops21h 37m

Seattle/Tacoma Intl

Wed 9/2

8:25 am-9:20 am

1 stop20h 55m

$1,187

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Fri 7/3

8:05 pm-12:29 pm

2 stops20h 24m

Seattle/Tacoma Intl

Fri 8/7

10:05 am-2:50 pm

2 stops24h 45m

$1,404

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 5/14

5:35 pm-3:05 pm

2 stops25h 30m

Seattle/Tacoma Intl

Wed 5/27

7:25 am-7:40 am

2 stops20h 15m

$1,481

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, April 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 $990. If you don’t want to visit Seattle in April, then you should wait until March to fly from Buenos Aires, when ticket prices are also cheap, with an average price of $1,042.

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

You could potentially save up to 24% 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 April 2026, prices for Buenos Aires to Seattle flights are approximately 25% 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

21h 22m

Direct flights

None
The fastest flight from Buenos Aires to Seattle takes 21h 22m
There are no direct flights from Buenos Aires to Seattle. There are no popular flight routes from Buenos Aires to Seattle.
Search flight deals

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 21h 22m.

  • 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
8,422 reviews
Search Delta flights
American AirlinesPriceFrom $1,075Free CancellationRating
7.1
11,626 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
Marysville
Tukwila
Puyallup
Lakewood
Cle Elum
Federal Way
Centralia
Fife
Shoreline
Westport
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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