Cheap flights from Seattle to Buenos Aires

Round-trip
Economy
Seattle (SEA)
Buenos Aires (BUE)
Depart
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How to find the cheapest flight from
Seattle (SEA) to Buenos Aires (BUE)

All the information you need to plan the best SEA to BUE flight in 2021: compare Seattle to Buenos Aires flight prices with the expected peak season, weather and rainfall in Buenos Aires.
SEA - BUE
Price
C$ 1,123 - C$ 1,911
BUE
Temperature
11 - 25 °C
BUE
Precipitation
50 - 100 mm

Popular in

December

High demand for flights, 31% potential price rise

Cheapest in

August

Best time to find cheap flights, 15% potential price drop

Round-trip from

C$ 1,388

From Seattle/Tacoma Intl to Buenos Aires (BUE)

One-way from

C$ 685

One-way flight from Seattle/Tacoma Intl to Buenos Aires (BUE)

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Seattle to Buenos Aires?

Travellers have found it’s best to book a flight 30 days in advance to save up to 10% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 30 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Buenos Aires 1-2 weeks in advance for as low as C$ 1,647, or C$ 1,766 for flights within the next 24 hours.

When is the cheapest time to fly from Seattle to Buenos Aires (SEA - BUE)?

When flying from Seattle to Buenos Aires, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest month to fly from Seattle to Buenos Aires?

August is one of the best times of the year to fly to Buenos Aires from Seattle. Prices for August average C$ 1,634 per person but you can even find prices for as low as C$ 730. The most expensive prices can be found in the month of December. Opting for a August flight can save you 44% on your journey compared to booking in August

Cheap flights from Seattle to Buenos Aires in October, November 2021

The best prices found for SEA to BUE flights for October, November
27 Nov - 12 Dec
C$ 2,027pp
SEA
Seattle/Tacoma Intl
Delta
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Delta
   
2 STOPS
SEA
Seattle/Tacoma Intl
27 Nov - 11 Dec
C$ 2,348pp
SEA
Seattle/Tacoma Intl
Delta
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Delta
   
2 STOPS
SEA
Seattle/Tacoma Intl
22 Oct - 29 Oct
C$ 2,632pp
SEA
Seattle/Tacoma Intl
Delta
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Buenos Aires 2021 flight deals

Cheap flights to Buenos Aires from Seattle found for this year
26 Dec - 13 Jan
C$ 1,555pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
26 Dec - 17 Jan
C$ 1,789pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
10 Dec - 22 Dec
C$ 1,792pp
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Buenos Aires from Seattle

The cheapest one-way flights from Seattle to Buenos Aires
6:00 a.m. - 1:45 p.m.
Multiple Airlines
2 stops
26h 45m
SEA - AEP
Multiple Airlines
C$ 685
United
7:50 p.m. - 11:30 p.m.
Delta
2 stops
22h 40m
SEA - EZE
Delta
C$ 1,117
Delta
8:50 p.m. - 2:30 a.m.
Delta
2 stops
25h 40m
SEA - EZE
Delta
C$ 1,970
Delta

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Buenos Aires</span> flights.

Flight FAQs

From Seattle to Buenos Aires

What airport do you fly from for flights from Seattle to Buenos Aires?

Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Buenos Aires. On average, Seattle/Tacoma Intl has 0 outbound flights to Buenos Aires per day from 0 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

Can I find flights from Seattle to Buenos Aires for under C$ 1,200 on Cheapflights?

Yes, there are multiple flights from Seattle to Buenos Aires for under C$ 1,200. The cheapest flight booked recently is on Air Canada for just C$ 1,116, but on average you can expect to pay C$ 1,388.

What are the cheapest airlines flying from Seattle to Buenos Aires round-trip?

Flying on Air Canada is currently your cheapest option to Buenos Aires, with prices starting at C$ 1,116. Additional round-trip tickets that might be worth considering are offered by Delta and Aeromexico, with the lowest prices starting at C$ 1,298 and C$ 1,506, respectively. You may be able to fly from Seattle to Buenos Aires for 31% less than the average price by searching for these airlines.

COVID Restrictions

View COVID Travel Restrictions for Buenos Aires, Argentina

Do I need a COVID test to fly to Buenos Aires from Seattle?

Information is based on travel restrictions from Seattle/Tacoma Intl to Buenos Aires

Most visitors from Seattle/Tacoma Intl will not be allowed to enter Buenos Aires.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Buenos Aires.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Buenos Aires.

Documents
Contact-Tracing App - Must be downloaded for a minimum period of 14 days.


Do I need a test to fly back to Seattle from Buenos Aires?

Returning to Seattle/Tacoma Intl from Buenos Aires

COVID-19 testing requirements
Visitors from Buenos Aires must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Buenos Aires are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Buenos Aires, Argentina

Destination information for Buenos Aires

Things to know before you go - useful duration and weather info for your trip from Seattle to Buenos Aires.
Today's exchange rate
C$ 1 = $80.23
Average temperature for October in Buenos Aires
22.0 °C
Avg rainfall for October in Buenos Aires
122.0 mm

Airports servicing Seattle

Airports servicing Buenos Aires

Buenos Aires Ministro Pistarini (EZE)
Buenos Aires Jorge Newbery (AEP)
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