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Cheap flights from Buenos Aires to Seattle from $476

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 4/22. 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
1 adult, Economy, 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
11:00 am - 10:36 am
EZE
-
SEA
27h 36m
2 stops
Multiple Airlines Logo
7:55 am - 7:15 pm
SEA
-
EZE
31h 20m
1 stop
$1,162Multiple Airlines
Tue, May 5 - Tue, May 12
Air Canada Logo
4:35 pm - 9:35 am
EZE
-
SEA
45h 00m
3 stops
Air Canada Logo
10:45 am - 2:30 pm
SEA
-
EZE
47h 45m
3 stops
$1,190Air Canada
Thu, Apr 23 - Mon, May 11
American Airlines Logo
8:50 pm - 12:01 pm
EZE
-
SEA
19h 11m
1 stop
American Airlines Logo
1:01 pm - 8:50 am
SEA
-
EZE
15h 49m
1 stop
$1,251American Airlines
Thu, Aug 6 - Tue, Aug 18
Multiple Airlines Logo
4:50 pm - 9:47 pm
EZE
-
SEA
32h 57m
2 stops
Multiple Airlines Logo
7:55 am - 3:40 pm
SEA
-
EZE
27h 45m
2 stops
$1,252Multiple Airlines
Tue, May 5 - Tue, May 12
American Airlines Logo
10:20 pm - 11:42 pm
EZE
-
SEA
29h 22m
1 stop
American Airlines Logo
1:01 pm - 8:50 am
SEA
-
EZE
15h 49m
1 stop
$1,254American Airlines
Thu, Aug 6 - Tue, Aug 18
American Airlines Logo
11:30 pm - 11:42 pm
EZE
-
SEA
28h 12m
1 stop
American Airlines Logo
1:01 pm - 8:50 am
SEA
-
EZE
15h 49m
1 stop
$1,255American Airlines
Thu, Aug 6 - Tue, Aug 18
Multiple Airlines Logo
11:25 pm - 9:01 pm
EZE
-
SEA
25h 36m
2 stops
Multiple Airlines Logo
7:55 am - 7:15 pm
SEA
-
EZE
31h 20m
1 stop
$1,257Multiple Airlines
Mon, May 4 - Tue, May 19
American Airlines Logo
8:50 pm - 12:01 pm
EZE
-
SEA
19h 11m
1 stop
American Airlines Logo
6:30 am - 7:15 am
SEA
-
EZE
20h 45m
2 stops
$1,258American Airlines
Thu, Aug 6 - Tue, Aug 18
LATAM Airlines Logo
3:45 pm - 2:43 pm
AEP
-
SEA
26h 58m
2 stops
LATAM Airlines Logo
7:20 am - 7:40 am
SEA
-
AEP
20h 20m
2 stops
$1,290LATAM Airlines
Thu, Aug 6 - Tue, Aug 18
LATAM Airlines Logo
8:05 pm - 9:59 pm
AEP
-
SEA
29h 54m
2 stops
LATAM Airlines Logo
8:25 am - 2:50 pm
SEA
-
AEP
26h 25m
2 stops
$1,293LATAM Airlines
Thu, Aug 6 - Tue, Aug 18

United Airlines flights from Buenos Aires to Seattle

Our best United Airlines deals on Buenos Aires to Seattle flight tickets
United Airlines
May 8
EZE9:00 pmBuenos Aires Ministro Pistarini
25h 32m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
May 22
SEA11:52 pmSeattle/Tacoma Intl
28h 08m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
$1,380
United Airlines
May 8
EZE9:00 pmBuenos Aires Ministro Pistarini
21h 36m
2 stops
SEA2:36 pmSeattle/Tacoma Intl
May 22
SEA11:52 pmSeattle/Tacoma Intl
28h 08m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
$1,450
United Airlines
May 8
EZE9:00 pmBuenos Aires Ministro Pistarini
25h 32m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
May 22
SEA5:00 amSeattle/Tacoma Intl
23h 00m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
$1,471

Copa Airlines flights from Buenos Aires to Seattle

Our best Copa Airlines deals on Buenos Aires to Seattle flight tickets
Copa Airlines
May 24
EZE12:10 amBuenos Aires Ministro Pistarini
25h 49m
2 stops
SEA9:59 pmSeattle/Tacoma Intl
Jun 2
SEA5:20 pmSeattle/Tacoma Intl
25h 07m
2 stops
EZE10:27 pmBuenos Aires Ministro Pistarini
$1,406
Copa Airlines
May 2
EZE5:25 amBuenos Aires Ministro Pistarini
23h 47m
2 stops
SEA1:12 amSeattle/Tacoma Intl
May 9
SEA5:25 pmSeattle/Tacoma Intl
25h 00m
2 stops
EZE10:25 pmBuenos Aires Ministro Pistarini
$1,410
Copa Airlines
May 17
EZE12:10 amBuenos Aires Ministro Pistarini
23h 38m
2 stops
SEA7:48 pmSeattle/Tacoma Intl
May 29
SEA5:20 pmSeattle/Tacoma Intl
27h 30m
2 stops
EZE12:50 amBuenos Aires Ministro Pistarini
$1,426

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 March 23, 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

Tue 5/5

11:00 am-10:36 am

2 stops27h 36m

Seattle/Tacoma Intl

Tue 5/12

7:55 am-7:15 pm

1 stop31h 20m

$1,162

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 4/23

4:35 pm-9:35 am

3 stops45h 00m

Seattle/Tacoma Intl

Mon 5/11

10:45 am-2:30 pm

3 stops47h 45m

$1,190
Quickest round-trip

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 8/6

8:50 pm-12:01 pm

1 stop19h 11m

Seattle/Tacoma Intl

Tue 8/18

1:01 pm-8:50 am

1 stop15h 49m

$1,251

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 5/5

4:50 pm-9:47 pm

2 stops32h 57m

Seattle/Tacoma Intl

Tue 5/12

7:55 am-3:40 pm

2 stops27h 45m

$1,252

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 8/6

10:20 pm-11:42 pm

1 stop29h 22m

Seattle/Tacoma Intl

Tue 8/18

1:01 pm-8:50 am

1 stop15h 49m

$1,254

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 8/6

11:30 pm-11:42 pm

1 stop28h 12m

Seattle/Tacoma Intl

Tue 8/18

1:01 pm-8:50 am

1 stop15h 49m

$1,255

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 5/4

11:25 pm-9:01 pm

2 stops25h 36m

Seattle/Tacoma Intl

Tue 5/19

7:55 am-7:15 pm

1 stop31h 20m

$1,257

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 8/6

8:50 pm-12:01 pm

1 stop19h 11m

Seattle/Tacoma Intl

Tue 8/18

6:30 am-7:15 am

2 stops20h 45m

$1,258

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 8/6

3:45 pm-2:43 pm

2 stops26h 58m

Seattle/Tacoma Intl

Tue 8/18

7:20 am-7:40 am

2 stops20h 20m

$1,290

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 8/6

8:05 pm-9:59 pm

2 stops29h 54m

Seattle/Tacoma Intl

Tue 8/18

8:25 am-2:50 pm

2 stops26h 25m

$1,293

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, 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 $1,042. 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 27% 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 March 2026, prices for Buenos Aires to Seattle flights are approximately 5% 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 55m

Direct flights

None
The fastest flight from Buenos Aires to Seattle takes 17h 55m
There are no direct flights from Buenos Aires to Seattle. There are no popular flight routes from Buenos Aires to Seattle.
Search flight deals

  • 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 55m.

  • 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
8,319 reviews
Search Delta flights
American AirlinesPriceFrom $1,075Free CancellationRating
7.1
11,489 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
Kent
Redmond
Marysville
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Fife
Westport
Centralia
Kirkland
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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