Cheap flights from Buenos Aires to Seattle from $479

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 3/20. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:30 pm - 9:51 pm
EZE
-
SEA
33h 21m2 stops
Air Canada Logo
8:00 pm - 2:30 pm
SEA
-
EZE
38h 30m3 stops
$992Air Canada
Thu, Apr 9 - Tue, Apr 28
Air Canada Logo
4:30 pm - 3:03 pm
EZE
-
SEA
50h 33m3 stops
Air Canada Logo
10:10 am - 2:30 pm
SEA
-
EZE
48h 20m3 stops
$1,003Air Canada
Mon, Apr 13 - Mon, Apr 27
Multiple Airlines Logo
1:40 am - 10:03 pm
EZE
-
SEA
24h 23m2 stops
Multiple Airlines Logo
7:55 am - 8:35 am
SEA
-
EZE
20h 40m1 stop
$1,019Multiple Airlines
Tue, Apr 14 - Sun, Apr 26
Multiple Airlines Logo
6:35 am - 10:03 pm
EZE
-
SEA
43h 28m2 stops
Multiple Airlines Logo
7:55 am - 8:35 am
SEA
-
EZE
20h 40m1 stop
$1,052Multiple Airlines
Tue, Apr 14 - Sun, Apr 26
Air Canada Logo
4:30 pm - 9:51 pm
EZE
-
SEA
33h 21m2 stops
Air Canada Logo
3:40 pm - 2:30 pm
SEA
-
EZE
66h 50m3 stops
$1,057Air Canada
Thu, Apr 9 - Sun, Apr 26
Multiple Airlines Logo
1:40 am - 10:03 pm
EZE
-
SEA
24h 23m2 stops
Multiple Airlines Logo
7:55 am - 8:35 am
SEA
-
EZE
20h 40m1 stop
$1,058Multiple Airlines
Tue, Apr 14 - Mon, Apr 27
LATAM Airlines Logo
1:22 pm - 7:33 pm
EZE
-
SEA
34h 11m2 stops
LATAM Airlines Logo
8:25 am - 12:22 pm
SEA
-
EZE
23h 57m2 stops
$1,071LATAM Airlines
Sat, May 30 - Tue, Jun 16
Multiple Airlines Logo
11:00 am - 10:29 am
EZE
-
SEA
27h 29m2 stops
Multiple Airlines Logo
7:55 am - 8:35 am
SEA
-
EZE
20h 40m1 stop
$1,080Multiple Airlines
Tue, Apr 14 - Wed, Apr 29
United Airlines Logo
9:00 pm - 6:35 pm
EZE
-
SEA
25h 35m2 stops
United Airlines Logo
6:45 am - 8:00 am
SEA
-
EZE
21h 15m1 stop
$1,089United Airlines
Tue, Apr 14 - Thu, Apr 23
LATAM Airlines Logo
3:40 pm - 10:07 am
AEP
-
SEA
23h 27m2 stops
LATAM Airlines Logo
7:15 am - 2:40 pm
SEA
-
AEP
26h 25m2 stops
$1,285LATAM Airlines
Thu, Jan 29 - Thu, Feb 5

Air Canada flights from Buenos Aires to Seattle

Our best Air Canada deals on Buenos Aires to Seattle flight tickets
Air Canada
Apr 9
EZE4:30 pmBuenos Aires Ministro Pistarini
33h 21m
2 stops
SEA9:51 pmSeattle/Tacoma Intl
Apr 27
SEA8:00 pmSeattle/Tacoma Intl
38h 30m
3 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
Air Canada
Apr 13
EZE4:30 pmBuenos Aires Ministro Pistarini
50h 33m
3 stops
SEA3:03 pmSeattle/Tacoma Intl
Apr 23
SEA5:50 amSeattle/Tacoma Intl
52h 40m
3 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
Air Canada
Apr 9
EZE4:30 pmBuenos Aires Ministro Pistarini
33h 21m
2 stops
SEA9:51 pmSeattle/Tacoma Intl
Apr 24
SEA3:40 pmSeattle/Tacoma Intl
66h 50m
3 stops
EZE2:30 pmBuenos Aires Ministro Pistarini

LATAM Airlines flights from Buenos Aires to Seattle

Our best LATAM Airlines deals on Buenos Aires to Seattle flight tickets
LATAM Airlines
May 30
EZE1:22 pmBuenos Aires Ministro Pistarini
34h 11m
2 stops
SEA7:33 pmSeattle/Tacoma Intl
Jun 16
SEA8:25 amSeattle/Tacoma Intl
23h 57m
2 stops
EZE12:22 pmBuenos Aires Ministro Pistarini
LATAM Airlines
Apr 13
EZE1:22 pmBuenos Aires Ministro Pistarini
29h 28m
2 stops
SEA2:50 pmSeattle/Tacoma Intl
Apr 29
SEA1:45 pmSeattle/Tacoma Intl
16h 00m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
LATAM Airlines
Jun 4
EZE1:20 pmBuenos Aires Ministro Pistarini
34h 13m
2 stops
SEA7:33 pmSeattle/Tacoma Intl
Jun 16
SEA8:25 amSeattle/Tacoma Intl
23h 57m
2 stops
EZE12:22 pmBuenos Aires Ministro Pistarini

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 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

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 4/9

4:30 pm-9:51 pm

2 stops33h 21m

Seattle/Tacoma Intl

Tue 4/28

8:00 pm-2:30 pm

3 stops38h 30m

$992

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 4/13

4:30 pm-3:03 pm

3 stops50h 33m

Seattle/Tacoma Intl

Mon 4/27

10:10 am-2:30 pm

3 stops48h 20m

$1,003

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 4/14

1:40 am-10:03 pm

2 stops24h 23m

Seattle/Tacoma Intl

Sun 4/26

7:55 am-8:35 am

1 stop20h 40m

$1,019

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 4/14

6:35 am-10:03 pm

2 stops43h 28m

Seattle/Tacoma Intl

Sun 4/26

7:55 am-8:35 am

1 stop20h 40m

$1,052

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 4/9

4:30 pm-9:51 pm

2 stops33h 21m

Seattle/Tacoma Intl

Sun 4/26

3:40 pm-2:30 pm

3 stops66h 50m

$1,057

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 4/14

1:40 am-10:03 pm

2 stops24h 23m

Seattle/Tacoma Intl

Mon 4/27

7:55 am-8:35 am

1 stop20h 40m

$1,058

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sat 5/30

1:22 pm-7:33 pm

2 stops34h 11m

Seattle/Tacoma Intl

Tue 6/16

8:25 am-12:22 pm

2 stops23h 57m

$1,071

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 4/14

11:00 am-10:29 am

2 stops27h 29m

Seattle/Tacoma Intl

Wed 4/29

7:55 am-8:35 am

1 stop20h 40m

$1,080

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 4/14

9:00 pm-6:35 pm

2 stops25h 35m

Seattle/Tacoma Intl

Thu 4/23

6:45 am-8:00 am

1 stop21h 15m

$1,089

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 1/29

3:40 pm-10:07 am

2 stops23h 27m

Seattle/Tacoma Intl

Thu 2/5

7:15 am-2:40 pm

2 stops26h 25m

$1,285

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 5% 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 10% 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

18h 06m

Direct flights

None
The fastest flight from Buenos Aires to Seattle takes 18h 06m
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 18h 06m.

  • 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
8,020 reviews
Search Delta flights
American AirlinesPriceFrom $1,075Free CancellationRating
7.2
11,077 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,219Free CancellationRating
7.4
9,138 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
Tukwila
Federal Way
Cle Elum
Lakewood
Fife
Westport
Kirkland
Centralia
Shoreline

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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Tue 2/3
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