Cheap flights from Buenos Aires to Seattle from $494

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 2/28. 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.
Multiple Airlines Logo
3:47 am - 10:04 pm
EZE
-
SEA
22h 17m
2 stops
Multiple Airlines Logo
8:08 am - 4:10 am
SEA
-
EZE
40h 02m
2 stops
$909Multiple Airlines
Wed, Mar 11 - Tue, Mar 17
Multiple Airlines Logo
4:05 am - 10:04 pm
EZE
-
SEA
21h 59m
2 stops
Multiple Airlines Logo
8:08 am - 3:40 am
SEA
-
EZE
39h 32m
3 stops
$914Multiple Airlines
Thu, Mar 12 - Tue, Mar 17
Multiple Airlines Logo
8:25 pm - 11:22 am
AEP
-
SEA
66h 57m
3 stops
Multiple Airlines Logo
8:08 am - 8:30 am
SEA
-
AEP
44h 22m
2 stops
$916Multiple Airlines
Thu, Mar 12 - Tue, Mar 17
Multiple Airlines Logo
8:00 am - 10:04 pm
EZE
-
SEA
18h 04m
1 stop
Multiple Airlines Logo
6:24 pm - 10:58 pm
SEA
-
EZE
24h 34m
2 stops
$962Multiple Airlines
Thu, Mar 12 - Tue, Mar 17
American Airlines Logo
10:25 pm - 11:09 pm
EZE
-
SEA
28h 44m
1 stop
American Airlines Logo
12:59 am - 8:20 am
SEA
-
EZE
27h 21m
1 stop
$986American Airlines
Thu, Mar 12 - Tue, Mar 17
American Airlines Logo
10:25 pm - 1:52 pm
EZE
-
SEA
19h 27m
2 stops
American Airlines Logo
7:00 am - 7:10 am
SEA
-
EZE
20h 10m
2 stops
$991American Airlines
Thu, Mar 12 - Wed, Mar 18
LATAM Airlines Logo
11:30 am - 2:39 pm
AEP
-
SEA
31h 09m
2 stops
LATAM Airlines Logo
8:00 am - 4:00 pm
SEA
-
AEP
28h 00m
2 stops
$1,043LATAM Airlines
Thu, Mar 12 - Tue, Mar 17
LATAM Airlines Logo
7:21 pm - 7:33 pm
EZE
-
SEA
28h 12m
2 stops
LATAM Airlines Logo
7:50 am - 9:45 am
SEA
-
EZE
21h 55m
1 stop
$1,110LATAM Airlines
Sat, May 9 - Thu, Jun 11
LATAM Airlines Logo
7:21 pm - 7:33 pm
EZE
-
SEA
28h 12m
2 stops
LATAM Airlines Logo
7:20 am - 11:30 am
SEA
-
EZE
24h 10m
2 stops
$1,125LATAM Airlines
Sat, May 9 - Thu, Jun 11
LATAM Airlines Logo
3:45 pm - 9:59 pm
AEP
-
SEA
34h 14m
2 stops
LATAM Airlines Logo
9:30 am - 7:40 pm
SEA
-
AEP
30h 10m
2 stops
$1,125LATAM Airlines
Sat, May 9 - Thu, Jun 11

American Airlines flights from Buenos Aires to Seattle

Our best American Airlines deals on Buenos Aires to Seattle flight tickets
American Airlines
Mar 12
EZE10:25 pmBuenos Aires Ministro Pistarini
28h 44m
1 stop
SEA11:09 pmSeattle/Tacoma Intl
Mar 17
SEA12:59 amSeattle/Tacoma Intl
27h 21m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
$986
American Airlines
Mar 12
EZE10:25 pmBuenos Aires Ministro Pistarini
19h 27m
2 stops
SEA1:52 pmSeattle/Tacoma Intl
Mar 18
SEA7:00 amSeattle/Tacoma Intl
20h 10m
2 stops
EZE7:10 amBuenos Aires Ministro Pistarini
$991
American Airlines
Feb 2
EZE10:25 pmBuenos Aires Ministro Pistarini
17h 36m
1 stop
SEA11:01 amSeattle/Tacoma Intl
Feb 9
SEA7:35 amSeattle/Tacoma Intl
19h 50m
1 stop
EZE8:25 amBuenos Aires Ministro Pistarini
$1,289

LATAM Airlines flights from Buenos Aires to Seattle

Our best LATAM Airlines deals on Buenos Aires to Seattle flight tickets
LATAM Airlines
Mar 12
AEP11:30 amBuenos Aires Jorge Newbery
31h 09m
2 stops
SEA2:39 pmSeattle/Tacoma Intl
Mar 17
SEA8:00 amSeattle/Tacoma Intl
28h 00m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
$1,043
LATAM Airlines
May 9
EZE7:21 pmBuenos Aires Ministro Pistarini
28h 12m
2 stops
SEA7:33 pmSeattle/Tacoma Intl
Jun 11
SEA7:50 amSeattle/Tacoma Intl
21h 55m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$1,110
LATAM Airlines
May 9
EZE7:21 pmBuenos Aires Ministro Pistarini
28h 12m
2 stops
SEA7:33 pmSeattle/Tacoma Intl
Jun 11
SEA7:20 amSeattle/Tacoma Intl
24h 10m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
$1,125

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 January 29, 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

Wed 3/11

3:47 am-10:04 pm

2 stops22h 17m

Seattle/Tacoma Intl

Tue 3/17

8:08 am-4:10 am

2 stops40h 02m

$909

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 3/12

4:05 am-10:04 pm

2 stops21h 59m

Seattle/Tacoma Intl

Tue 3/17

8:08 am-3:40 am

3 stops39h 32m

$914

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 3/12

8:25 pm-11:22 am

3 stops66h 57m

Seattle/Tacoma Intl

Tue 3/17

8:08 am-8:30 am

2 stops44h 22m

$916

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 3/12

8:00 am-10:04 pm

1 stop18h 04m

Seattle/Tacoma Intl

Tue 3/17

6:24 pm-10:58 pm

2 stops24h 34m

$962

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 3/12

10:25 pm-11:09 pm

1 stop28h 44m

Seattle/Tacoma Intl

Tue 3/17

12:59 am-8:20 am

1 stop27h 21m

$986

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 3/12

10:25 pm-1:52 pm

2 stops19h 27m

Seattle/Tacoma Intl

Wed 3/18

7:00 am-7:10 am

2 stops20h 10m

$991

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 3/12

11:30 am-2:39 pm

2 stops31h 09m

Seattle/Tacoma Intl

Tue 3/17

8:00 am-4:00 pm

2 stops28h 00m

$1,043

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sat 5/9

7:21 pm-7:33 pm

2 stops28h 12m

Seattle/Tacoma Intl

Thu 6/11

7:50 am-9:45 am

1 stop21h 55m

$1,110

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sat 5/9

7:21 pm-7:33 pm

2 stops28h 12m

Seattle/Tacoma Intl

Thu 6/11

7:20 am-11:30 am

2 stops24h 10m

$1,125

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Sat 5/9

3:45 pm-9:59 pm

2 stops34h 14m

Seattle/Tacoma Intl

Thu 6/11

9:30 am-7:40 pm

2 stops30h 10m

$1,125

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 $1,101. 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 January 2026, prices for Buenos Aires to Seattle flights are approximately 4% cheaper 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 16m

Direct flights

None
The fastest flight from Buenos Aires to Seattle takes 20h 16m
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 20h 16m.

  • 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
8,128 reviews
Search Delta flights
American AirlinesPriceFrom $1,075Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,219Free CancellationRating
7.4
9,215 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
Puyallup
Redmond
Cle Elum
Tukwila
Lakewood
Federal Way
Centralia
Westport
Kirkland
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
Sat 2/28
Sat 3/7

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