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Cheap flights from Buenos Aires to Seattle from $543

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 6/23. 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

Discover deals from 900+ travel sites with momondo.

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
8:50 pm - 12:00 pm
EZE
-
SEA
19h 10m
1 stop
American Airlines Logo
1:00 pm - 8:50 am
SEA
-
EZE
15h 50m
1 stop
$957American Airlines
Thu, Aug 20 - Wed, Sep 2
American Airlines Logo
11:30 pm - 4:32 pm
EZE
-
SEA
21h 02m
2 stops
American Airlines Logo
5:05 am - 6:00 am
SEA
-
EZE
20h 55m
2 stops
$961American Airlines
Thu, Aug 20 - Wed, Sep 2
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
$970LATAM Airlines
Sun, Sep 20 - Tue, Oct 20
American Airlines Logo
8:45 pm - 11:02 pm
EZE
-
SEA
30h 17m
1 stop
American Airlines Logo
11:10 pm - 7:15 am
SEA
-
EZE
28h 05m
1 stop
$975American Airlines
Mon, Sep 21 - Wed, Oct 21
American Airlines Logo
10:20 pm - 11:02 pm
EZE
-
SEA
28h 42m
1 stop
American Airlines Logo
7:40 am - 8:50 am
SEA
-
EZE
21h 10m
2 stops
$978American Airlines
Mon, Sep 21 - Wed, Oct 21
LATAM Airlines Logo
3:55 am - 10:01 pm
EZE
-
SEA
22h 06m
2 stops
LATAM Airlines Logo
8:25 am - 9:40 am
SEA
-
EZE
21h 15m
1 stop
$991LATAM Airlines
Wed, Aug 5 - Tue, Aug 18
Delta Logo
8:10 pm - 10:05 am
EZE
-
SEA
17h 55m
1 stop
Delta Logo
8:25 am - 9:40 am
SEA
-
EZE
21h 15m
1 stop
$1,002Delta
Mon, Jun 1 - Tue, Jun 30
Multiple Airlines Logo
8:05 pm - 9:25 am
AEP
-
SEA
41h 20m
2 stops
Multiple Airlines Logo
6:50 am - 8:30 am
SEA
-
AEP
21h 40m
2 stops
$1,032Multiple Airlines
Mon, Sep 21 - Sun, Sep 27
Multiple Airlines Logo
5:35 pm - 10:00 pm
AEP
-
SEA
32h 25m
2 stops
Multiple Airlines Logo
10:05 am - 6:25 pm
SEA
-
AEP
28h 20m
2 stops
$1,110Multiple Airlines
Sun, Jun 14 - Sun, Jun 21
Delta Logo
8:40 am - 9:25 pm
AEP
-
SEA
40h 45m
2 stops
Delta Logo
8:25 am - 7:40 am
SEA
-
AEP
43h 15m
2 stops
$1,226Delta
Mon, Jun 1 - Tue, Jun 30

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United Airlines flights from Buenos Aires to Seattle

Our best United Airlines deals on Buenos Aires to Seattle flight tickets
United Airlines
May 10
EZE9:00 pmBuenos Aires Ministro Pistarini
29h 52m
1 stop
SEA10:52 pmSeattle/Tacoma Intl
May 17
SEA7:00 amSeattle/Tacoma Intl
21h 00m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
$1,003
United Airlines
Aug 5
EZE9:00 pmBuenos Aires Ministro Pistarini
21h 30m
2 stops
SEA2:30 pmSeattle/Tacoma Intl
Aug 31
SEA12:10 pmSeattle/Tacoma Intl
15h 50m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
$1,012
United Airlines
May 12
EZE9:00 pmBuenos Aires Ministro Pistarini
25h 32m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
May 19
SEA7:36 pmSeattle/Tacoma Intl
32h 24m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
$1,016

LATAM Airlines flights from Buenos Aires to Seattle

Our best LATAM Airlines deals on Buenos Aires to Seattle flight tickets
LATAM Airlines
Sep 20
EZE8:10 pmBuenos Aires Ministro Pistarini
17h 55m
1 stop
SEA10:05 amSeattle/Tacoma Intl
Oct 20
SEA8:25 amSeattle/Tacoma Intl
21h 15m
1 stop
EZE9:40 amBuenos Aires Ministro Pistarini
$970
LATAM Airlines
Aug 5
EZE3:55 amBuenos Aires Ministro Pistarini
22h 06m
2 stops
SEA10:01 pmSeattle/Tacoma Intl
Aug 18
SEA8:25 amSeattle/Tacoma Intl
21h 15m
1 stop
EZE9:40 amBuenos Aires Ministro Pistarini
$991
LATAM Airlines
Aug 6
AEP3:45 pmBuenos Aires Jorge Newbery
34h 16m
2 stops
SEA10:01 pmSeattle/Tacoma Intl
Aug 18
SEA8:25 amSeattle/Tacoma Intl
26h 25m
2 stops
AEP2:50 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 4, 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 8/20

8:50 pm-12:00 pm

1 stop19h 10m

Seattle/Tacoma Intl

Wed 9/2

1:00 pm-8:50 am

1 stop15h 50m

$957

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 8/20

11:30 pm-4:32 pm

2 stops21h 02m

Seattle/Tacoma Intl

Wed 9/2

5:05 am-6:00 am

2 stops20h 55m

$961

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sun 9/20

8:10 pm-10:05 am

1 stop17h 55m

Seattle/Tacoma Intl

Tue 10/20

8:25 am-9:40 am

1 stop21h 15m

$970

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 9/21

8:45 pm-11:02 pm

1 stop30h 17m

Seattle/Tacoma Intl

Wed 10/21

11:10 pm-7:15 am

1 stop28h 05m

$975

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 9/21

10:20 pm-11:02 pm

1 stop28h 42m

Seattle/Tacoma Intl

Wed 10/21

7:40 am-8:50 am

2 stops21h 10m

$978

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 8/5

3:55 am-10:01 pm

2 stops22h 06m

Seattle/Tacoma Intl

Tue 8/18

8:25 am-9:40 am

1 stop21h 15m

$991

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 6/1

8:10 pm-10:05 am

1 stop17h 55m

Seattle/Tacoma Intl

Tue 6/30

8:25 am-9:40 am

1 stop21h 15m

$1,002

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Mon 9/21

8:05 pm-9:25 am

2 stops41h 20m

Seattle/Tacoma Intl

Sun 9/27

6:50 am-8:30 am

2 stops21h 40m

$1,032

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Sun 6/14

5:35 pm-10:00 pm

2 stops32h 25m

Seattle/Tacoma Intl

Sun 6/21

10:05 am-6:25 pm

2 stops28h 20m

$1,110

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Mon 6/1

8:40 am-9:25 pm

2 stops40h 45m

Seattle/Tacoma Intl

Tue 6/30

8:25 am-7:40 am

2 stops43h 15m

$1,226

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, June 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 $871. If you don’t want to visit Seattle in June, then you should wait until December to fly from Buenos Aires, when ticket prices are also cheap, with an average price of $934.

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 May 2026, prices for Buenos Aires to Seattle flights are approximately 8% 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

17h 44m

Direct flights

None
The fastest flight from Buenos Aires to Seattle takes 17h 44m
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 17h 44m.

  • 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
11,672 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
Puyallup
Tukwila
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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