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South America

$191+ Cheap flights from Seattle (SEA) to South America

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOG
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Seattle to South America

Keep the following information in mind while searching for Seattle to South America flight deals. Data was last updated August 14, 2025.

Round-trip from

$473
(FlightHub)

One-way from

$191
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$690
From Seattle/Tacoma Intl to South America
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One-way flight from Seattle/Tacoma Intl to South America
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Highest demand for flights based on searches. 17% potential increase in price ($170 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Seattle to South America

Cheapest flights from Seattle to South America
Explore the most affordable flight options available from Seattle to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:20 amSEA - GRU
1 stop21h 35mLATAM Airlines
Thu 12/410:40 pmGRU - SEA
1 stop20h 51mLATAM Airlines
Deal found 8/14$473
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:00 amSEA - GRU
1 stop19h 40mLATAM Airlines
Sun 10/1910:50 pmGRU - SEA
1 stop19h 54mLATAM Airlines
Deal found 8/14$483
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:45 amSEA - GRU
1 stop21h 05mDelta
Thu 10/309:30 pmGRU - SEA
1 stop22h 57mDelta
Deal found 8/13$491
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:37 amSEA - MDE
1 stop13h 51mMultiple Airlines
Tue 9/301:24 amMDE - SEA
1 stop22h 58mMultiple Airlines
Deal found 8/12$493
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:25 amSEA - GRU
1 stop18h 15mLATAM Airlines
Fri 10/319:30 pmGRU - SEA
1 stop18h 57mLATAM Airlines
Deal found 8/14$493
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/211:52 amSEA - GRU
1 stop17h 08mLATAM Airlines
Tue 9/2310:50 pmGRU - SEA
2 stops19h 50mLATAM Airlines
Deal found 8/12$497
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:00 amSEA - GRU
1 stop22h 30mUnited Airlines
Wed 10/110:20 pmGRU - SEA
1 stop21h 25mUnited Airlines
Deal found 8/13$500
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/309:45 pmSEA - GRU
2 stops18h 15mDelta
Tue 10/78:30 pmGRU - SEA
1 stop22h 08mDelta
Deal found 8/14$504
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1710:05 pmSEA - GRU
1 stop18h 30mDelta
Sun 8/2410:50 pmGRU - SEA
1 stop29h 09mDelta
Deal found 8/13$505
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/161:30 pmSEA - GRU
1 stop15h 30mDelta
Sat 10/44:45 pmGRU - SEA
2 stops21h 24mDelta
Deal found 8/13$506
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:37 amSEA - MDE
1 stop13h 51mMultiple Airlines
Tue 9/301:24 amMDE - SEA
1 stop22h 58mMultiple Airlines
Deal found 8/13$507
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/297:55 pmSEA - GRU
1 stop29h 45mDelta
Fri 9/1210:05 amGRU - SEA
1 stop17h 49mDelta
Deal found 8/14$507

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to South America 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, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Seattle to South America that are best for you.

Fly from

Seattle

Fly to

South America

Route

Depart

Return

Price

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Thu 11/27

7:20 am-9:55 am

1 stop21h 35m

Sao Paulo Guarulhos Intl

Fri 12/12

9:35 am-10:00 pm

1 stop17h 25m

$473

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Thu 11/27

7:20 am-9:55 am

1 stop21h 35m

Sao Paulo Guarulhos Intl

Thu 12/4

10:40 pm-2:31 pm

1 stop20h 51m

$473

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Fri 11/7

11:40 am-9:35 am

1 stop16h 55m

Sao Paulo Guarulhos Intl

Tue 11/11

10:40 pm-2:31 pm

1 stop20h 51m

$483

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Mon 10/6

6:00 am-5:40 am

1 stop19h 40m

Sao Paulo Guarulhos Intl

Sun 10/19

10:50 pm-2:44 pm

1 stop19h 54m

$483

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Wed 10/1

7:45 am-8:50 am

1 stop21h 05m

Sao Paulo Guarulhos Intl

Thu 10/30

9:30 pm-4:27 pm

1 stop22h 57m

$491

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Tue 1/27

11:05 am-7:15 am

1 stop15h 10m

Sao Paulo Guarulhos Intl

Tue 2/10

9:45 pm-4:13 pm

1 stop23h 28m

$491

SeattleMedellín

SEA - MDE

SEAMDE

Seattle/Tacoma Intl

Wed 9/10

8:37 am-12:28 am

1 stop13h 51m

Medellín Jose Maria Cordova Intl

Thu 10/2

1:24 am-10:22 pm

1 stop22h 58m

$493

SeattleMedellín

SEA - MDE

SEAMDE

Seattle/Tacoma Intl

Wed 9/10

8:37 am-12:28 am

1 stop13h 51m

Medellín Jose Maria Cordova Intl

Wed 10/1

1:24 am-10:22 pm

1 stop22h 58m

$493

SeattleMedellín

SEA - MDE

SEAMDE

Seattle/Tacoma Intl

Tue 9/9

8:37 am-12:28 am

1 stop13h 51m

Medellín Jose Maria Cordova Intl

Mon 9/29

1:24 am-10:22 pm

1 stop22h 58m

$493

SeattleMedellín

SEA - MDE

SEAMDE

Seattle/Tacoma Intl

Tue 9/9

8:37 am-12:28 am

1 stop13h 51m

Medellín Jose Maria Cordova Intl

Tue 9/30

1:24 am-10:22 pm

1 stop22h 58m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 60 results
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Best time to book a flight from Seattle to South America

Have a flexible travel schedule? Discover the best time to fly to South America from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to South America

What is the cheapest month to book a flight from Seattle to South America?

Currently, May is the cheapest month in which you can book a flight from Seattle to South America (average of $359). Flying from Seattle to South America in December is currently the most expensive (average of $664). 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.

What is the cheapest time of day to fly from SEA to SA?

Find hourly flight availability from Seattle to South America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to South America as you normally would.

Reviews of airlines servicing South America

Get insights into the airlines that provide service to South America. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South America. Reviews last updated August 14, 2025.
See what other customers who have flown with Delta, LATAM Airlines, and Copa Airlines from Seattle to South America have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,840 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,509 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Seattle to South America. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to South America?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to South America.

  • What are the most popular routes from Seattle to South America?

    While some choose either Seattle/Tacoma Intl - Lima J Chavez Intl or Seattle/Tacoma Intl - Buenos Aires Ministro Pistarini, Seattle/Tacoma Intl - Sao Paulo Guarulhos Intl is the most popular route from Seattle to South America.

  • Can I find deals for flights from Seattle to South America that include hotel bookings?

    Yes. In addition to deals on Seattle to South America flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to South America?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to South America.

  • Can I find deals for business class flights from Seattle to South America?

    Yes. Cheapflights offers flight deals from Seattle to South America by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to South America?

    Currently, May is the cheapest month in which you can book a flight from Seattle to South America (average of $359). Flying from Seattle to South America in December is currently the most expensive (average of $664). 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.

See more FAQs

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Alternative routes for Seattle to South America

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Seattle to South America

Discover the top 9 airlines that operate flights from Seattle to South America. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$300Average$566FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$382Average$553FlexibilityNo cancel feeOn-time65%
DeltaCheapest$449Average$1,040FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$449Average$1,171FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$498Average$987FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$498Average$989FlexibilityNo cancel feeOn-time69%
GOLCheapest$599Average$926FlexibilityNo cancel feeOn-time74%
Copa AirlinesCheapest$627Average$1,017FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$745Average$944FlexibilityNo cancel feeOn-time67%

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