
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $1,067 (BusinessClass) |
One-way from | $423 (Kiwi.com) |
Popular in | May |
Cheapest in | March |
Average price | $1,307 |
Fly from
Fly to
Route
Depart
Return
SeattleBuenos Aires
SEA - EZE
SEAEZE
Seattle/Tacoma Intl
Thu 10/22
8:25 am-9:40 am
1 stop21h 15m
Buenos Aires Ministro Pistarini
Wed 10/28
7:21 pm-2:47 pm
2 stops23h 26m
SeattleBuenos Aires
SEA - EZE
SEAEZE
Seattle/Tacoma Intl
Tue 9/29
11:59 pm-6:10 am
2 stops26h 11m
Buenos Aires Ministro Pistarini
Thu 10/29
7:45 am-2:50 pm
2 stops35h 05m
SeattleBuenos Aires
SEA - EZE
SEAEZE
Seattle/Tacoma Intl
Wed 8/5
5:00 am-8:00 am
1 stop23h 00m
Buenos Aires Ministro Pistarini
Mon 8/10
9:00 pm-2:24 pm
2 stops21h 24m
SeattleBuenos Aires
SEA - EZE
SEAEZE
Seattle/Tacoma Intl
Wed 7/15
8:09 am-9:40 am
1 stop21h 31m
Buenos Aires Ministro Pistarini
Tue 8/4
8:10 pm-9:49 am
1 stop17h 39m
SeattleBuenos Aires
SEA - EZE
SEAEZE
Seattle/Tacoma Intl
Wed 7/22
7:05 am-8:00 am
1 stop20h 55m
Buenos Aires Ministro Pistarini
Thu 7/30
9:00 pm-12:47 pm
1 stop19h 47m
SeattleBuenos Aires
SEA - AEP
SEAAEP
Seattle/Tacoma Intl
Thu 10/22
6:00 am-7:40 am
2 stops21h 40m
Buenos Aires Jorge Newbery
Wed 10/28
3:40 pm-12:23 pm
2 stops24h 43m
SeattleBuenos Aires
SEA - AEP
SEAAEP
Seattle/Tacoma Intl
Tue 6/30
7:15 am-2:50 pm
2 stops27h 35m
Buenos Aires Jorge Newbery
Tue 7/7
8:05 pm-2:50 pm
2 stops22h 45m
SeattleBuenos Aires
SEA - AEP
SEAAEP
Seattle/Tacoma Intl
Mon 10/5
7:20 am-7:40 am
2 stops20h 20m
Buenos Aires Jorge Newbery
Thu 10/29
3:40 pm-2:47 pm
2 stops27h 07m
SeattleBuenos Aires
SEA - EZE
SEAEZE
Seattle/Tacoma Intl
Tue 8/4
11:11 pm-8:00 am
2 stops28h 49m
Buenos Aires Ministro Pistarini
Thu 8/13
9:00 pm-11:44 am
2 stops18h 44m
SeattleBuenos Aires
SEA - AEP
SEAAEP
Seattle/Tacoma Intl
Wed 7/1
7:15 am-2:50 pm
2 stops27h 35m
Buenos Aires Jorge Newbery
Wed 7/8
3:45 pm-12:30 pm
2 stops24h 45m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Currently, August is the cheapest month in which you can book a flight from Seattle to Buenos Aires (average of $157). Flying from Seattle to Buenos Aires in May is currently the most expensive (average of $1,506). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
About 100% of weekly flights between Seattle and Buenos Aires have experienced delays in the past year, with the average delay time being 99 minutes.
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Thursday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Booking 1 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Anonymous,May 2026
SEA - KOA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$696 | Average$1,286 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$964 | Average$1,375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,126 | Average$1,376 | FlexibilityNo cancel fee | On-time71% |