Cheap flights from Buenos Aires to Seattle from $422

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 4/15. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:35 pm - 3:51 pm
EZE
-
SEA
23h 16m
2 stops
American Airlines Logo
10:27 am - 8:50 am
SEA
-
EZE
18h 23m
2 stops
$971American Airlines
Fri, May 8 - Fri, May 22
American Airlines Logo
8:35 pm - 11:44 pm
EZE
-
SEA
31h 09m
1 stop
American Airlines Logo
1:01 pm - 8:50 am
SEA
-
EZE
15h 49m
1 stop
$983American Airlines
Fri, May 8 - Fri, May 22
American Airlines Logo
8:35 pm - 3:51 pm
EZE
-
SEA
23h 16m
2 stops
American Airlines Logo
10:23 am - 7:10 am
SEA
-
EZE
16h 47m
1 stop
$990American Airlines
Fri, May 8 - Fri, May 22
American Airlines Logo
10:25 pm - 3:57 pm
EZE
-
SEA
22h 32m
1 stop
American Airlines Logo
12:59 am - 8:20 am
SEA
-
EZE
27h 21m
1 stop
$998American Airlines
Wed, Mar 4 - Thu, Mar 12
American Airlines Logo
8:35 pm - 11:44 pm
EZE
-
SEA
31h 09m
1 stop
American Airlines Logo
1:03 pm - 8:50 am
SEA
-
EZE
15h 47m
1 stop
$1,003American Airlines
Fri, May 8 - Fri, May 22
Multiple Airlines Logo
11:00 am - 10:04 pm
EZE
-
SEA
40h 04m
1 stop
Multiple Airlines Logo
9:50 pm - 6:20 am
SEA
-
EZE
28h 30m
2 stops
$1,020Multiple Airlines
Mon, Mar 2 - Sun, Mar 15
Delta Logo
8:55 pm - 10:07 am
EZE
-
SEA
18h 12m
1 stop
Delta Logo
11:05 pm - 9:00 am
SEA
-
EZE
28h 55m
1 stop
$1,034Delta
Mon, Feb 16 - Sun, Mar 1
LATAM Airlines Logo
7:04 pm - 2:44 pm
EZE
-
SEA
24h 40m
2 stops
LATAM Airlines Logo
8:00 am - 6:04 pm
SEA
-
EZE
30h 04m
2 stops
$1,075LATAM Airlines
Wed, Mar 4 - Fri, Mar 13
Air Canada Logo
4:45 pm - 9:35 am
EZE
-
SEA
45h 50m
3 stops
Air Canada Logo
8:00 am - 3:10 pm
SEA
-
EZE
27h 10m
2 stops
$1,099Air Canada
Mon, Mar 2 - Sun, Mar 15
LATAM Airlines Logo
8:05 pm - 9:55 pm
AEP
-
SEA
30h 50m
2 stops
LATAM Airlines Logo
11:30 pm - 4:00 pm
SEA
-
AEP
36h 30m
2 stops
$1,101LATAM Airlines
Mon, Mar 2 - Sun, Mar 15

Delta flights from Buenos Aires to Seattle

Our best Delta deals on Buenos Aires to Seattle flight tickets
Delta
Mar 2
EZE8:55 pmBuenos Aires Ministro Pistarini
18h 12m
1 stop
SEA10:07 amSeattle/Tacoma Intl
Mar 15
SEA7:20 amSeattle/Tacoma Intl
22h 55m
1 stop
EZE10:15 amBuenos Aires Ministro Pistarini
$1,034
Delta
Mar 26
EZE11:55 pmBuenos Aires Ministro Pistarini
23h 03m
1 stop
SEA6:58 pmSeattle/Tacoma Intl
Apr 2
SEA11:45 amSeattle/Tacoma Intl
18h 00m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$1,264
Delta
Jul 31
AEP3:40 pmBuenos Aires Jorge Newbery
34h 19m
2 stops
SEA9:59 pmSeattle/Tacoma Intl
Aug 15
SEA8:25 amSeattle/Tacoma Intl
23h 55m
2 stops
AEP12:20 pmBuenos Aires Jorge Newbery
$1,645

LATAM Airlines flights from Buenos Aires to Seattle

Our best LATAM Airlines deals on Buenos Aires to Seattle flight tickets
LATAM Airlines
Mar 4
EZE7:04 pmBuenos Aires Ministro Pistarini
24h 40m
2 stops
SEA2:44 pmSeattle/Tacoma Intl
Mar 13
SEA8:00 amSeattle/Tacoma Intl
30h 04m
2 stops
EZE6:04 pmBuenos Aires Ministro Pistarini
$1,075
LATAM Airlines
May 27
EZE3:55 amBuenos Aires Ministro Pistarini
22h 10m
2 stops
SEA10:05 pmSeattle/Tacoma Intl
Jun 18
SEA8:25 amSeattle/Tacoma Intl
23h 05m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
$1,082
LATAM Airlines
May 27
EZE3:55 amBuenos Aires Ministro Pistarini
22h 10m
2 stops
SEA10:05 pmSeattle/Tacoma Intl
Jun 18
SEA8:40 amSeattle/Tacoma Intl
21h 05m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$1,092

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 9, 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

Fri 5/8

8:35 pm-3:51 pm

2 stops23h 16m

Seattle/Tacoma Intl

Fri 5/22

10:27 am-8:50 am

2 stops18h 23m

$971

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Fri 5/8

8:35 pm-11:44 pm

1 stop31h 09m

Seattle/Tacoma Intl

Fri 5/22

1:01 pm-8:50 am

1 stop15h 49m

$983

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Fri 5/8

8:35 pm-3:51 pm

2 stops23h 16m

Seattle/Tacoma Intl

Fri 5/22

10:23 am-7:10 am

1 stop16h 47m

$990

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 3/4

10:25 pm-3:57 pm

1 stop22h 32m

Seattle/Tacoma Intl

Thu 3/12

12:59 am-8:20 am

1 stop27h 21m

$998

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Fri 5/8

8:35 pm-11:44 pm

1 stop31h 09m

Seattle/Tacoma Intl

Fri 5/22

1:03 pm-8:50 am

1 stop15h 47m

$1,003

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 3/2

11:00 am-10:04 pm

1 stop40h 04m

Seattle/Tacoma Intl

Sun 3/15

9:50 pm-6:20 am

2 stops28h 30m

$1,020

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 2/16

8:55 pm-10:07 am

1 stop18h 12m

Seattle/Tacoma Intl

Sun 3/1

11:05 pm-9:00 am

1 stop28h 55m

$1,034

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 3/4

7:04 pm-2:44 pm

2 stops24h 40m

Seattle/Tacoma Intl

Fri 3/13

8:00 am-6:04 pm

2 stops30h 04m

$1,075

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 3/2

4:45 pm-9:35 am

3 stops45h 50m

Seattle/Tacoma Intl

Sun 3/15

8:00 am-3:10 pm

2 stops27h 10m

$1,099

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Mon 3/2

8:05 pm-9:55 pm

2 stops30h 50m

Seattle/Tacoma Intl

Sun 3/15

11:30 pm-4:00 pm

2 stops36h 30m

$1,101

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 $1,043. 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

17h 54m

Direct flights

None
The fastest flight from Buenos Aires to Seattle takes 17h 54m
There are no direct flights from Buenos Aires to Seattle. There are no popular flight routes 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 54m.

  • 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
8,176 reviews
Search Delta flights
American AirlinesPriceFrom $1,075Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,219Free CancellationRating
7.4
9,262 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
Tukwila
Lakewood
Federal Way
Westport
Kirkland
Centralia
Fife
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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1 adult
Wed 3/11
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