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South America

$238+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOG
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
1 adult, Economy
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Cheap 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 July 11, 2026.

This eDestinos deal was found by Cheapflights users on 7/6. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:12 am
SEA
-
MDE
1 stop22h 48m
Multiple Airlines
Fri 8/144:55 pm
MDE
-
SEA
1 stop19h 21m
Multiple Airlines
Deal found 7/6$554
This Avianca deal was found by Cheapflights users on 7/8. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:30 pm
SEA
-
BOG
1 stop14h 45m
Multiple Airlines
Sun 9/67:30 am
BOG
-
SEA
1 stop12h 41m
Multiple Airlines
Deal found 7/8$560
This Avianca deal was found by Cheapflights users on 7/8. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:15 pm
SEA
-
BOG
2 stops13h 35m
Multiple Airlines
Thu 11/59:00 am
BOG
-
SEA
2 stops15h 54m
Multiple Airlines
Deal found 7/8$561
This Avianca deal was found by Cheapflights users on 7/10. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:00 am
SEA
-
BOG
1 stop12h 30m
Multiple Airlines
Mon 8/317:30 am
BOG
-
SEA
1 stop12h 41m
Multiple Airlines
Deal found 7/10$562
This Avianca deal was found by Cheapflights users on 7/9. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/41:59 pm
SEA
-
BOG
1 stop14h 16m
Multiple Airlines
Sat 10/104:25 am
BOG
-
SEA
2 stops15h 08m
Multiple Airlines
Deal found 7/9$568
This Avianca deal was found by Cheapflights users on 7/9. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:30 pm
SEA
-
BOG
1 stop14h 45m
Multiple Airlines
Sun 9/137:30 am
BOG
-
SEA
1 stop12h 48m
Multiple Airlines
Deal found 7/9$571
This Avianca deal was found by Cheapflights users on 7/8. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:15 pm
SEA
-
BOG
2 stops13h 35m
Multiple Airlines
Sun 11/89:15 am
BOG
-
SEA
2 stops15h 39m
Multiple Airlines
Deal found 7/8$572
This Avianca deal was found by Cheapflights users on 7/9. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:03 am
SEA
-
BOG
2 stops13h 57m
Multiple Airlines
Wed 8/267:30 am
BOG
-
SEA
1 stop12h 41m
Multiple Airlines
Deal found 7/9$573
This Avianca deal was found by Cheapflights users on 7/9. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:06 pm
SEA
-
BOG
2 stops13h 54m
Multiple Airlines
Sun 11/19:15 am
BOG
-
SEA
2 stops15h 39m
Multiple Airlines
Deal found 7/9$577
This Trip.com deal was found by Cheapflights users on 7/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:12 am
SEA
-
BOG
1 stop19h 13m
Multiple Airlines
Mon 8/176:40 pm
BOG
-
SEA
1 stop29h 20m
Multiple Airlines
Deal found 7/7$578
This Avianca deal was found by Cheapflights users on 7/9. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:13 am
SEA
-
MDE
1 stop12h 02m
Multiple Airlines
Sat 9/1211:00 am
MDE
-
SEA
1 stop12h 54m
Multiple Airlines
Deal found 7/9$583
This oojo deal was found by Cheapflights users on 7/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:05 am
SEA
-
MDE
1 stop21h 55m
Multiple Airlines
Sun 11/811:50 pm
MDE
-
SEA
1 stop25h 04m
Multiple Airlines
Deal found 7/9$584

Find 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 July 11, 2026.

Round-trip from

$554
(eDestinos)

One-way from

$238
(Kiwi.com)

Popular in

November

Cheapest in

April

Average price

$803
From Seattle/Tacoma Intl to South America
Search Deals
One-way flight from Seattle/Tacoma Intl to South America
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 11, 2026.
Use the filters below to find and compare flights from Seattle to South America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Mon 8/24

6:00 am-8:30 pm

1 stop12h 30m

Bogotá El Dorado

Mon 8/31

7:30 am-6:11 pm

1 stop12h 41m

$562

SeattleMedellín

SEA - MDE

SEAMDE

Seattle/Tacoma Intl

Fri 8/21

11:59 pm-9:10 pm

1 stop19h 11m

Medellín Jose Maria Cordova Intl

Thu 9/3

9:45 am-9:36 pm

1 stop13h 51m

$587

SeattleMedellín

SEA - MDE

SEAMDE

Seattle/Tacoma Intl

Tue 9/22

11:59 pm-9:10 pm

1 stop19h 11m

Medellín Jose Maria Cordova Intl

Mon 9/28

9:45 am-10:45 pm

1 stop15h 00m

$587

SeattleMedellín

SEA - MDE

SEAMDE

Seattle/Tacoma Intl

Mon 9/21

11:59 pm-9:10 pm

1 stop19h 11m

Medellín Jose Maria Cordova Intl

Tue 10/6

9:45 am-7:03 pm

1 stop11h 18m

$587

SeattleMedellín

SEA - MDE

SEAMDE

Seattle/Tacoma Intl

Wed 10/28

11:59 pm-9:15 pm

1 stop19h 16m

Medellín Jose Maria Cordova Intl

Tue 11/3

10:40 am-10:55 pm

1 stop15h 15m

$587

SeattleMedellín

SEA - MDE

SEAMDE

Seattle/Tacoma Intl

Fri 9/11

11:59 pm-9:10 pm

1 stop19h 11m

Medellín Jose Maria Cordova Intl

Sun 9/27

9:45 am-10:45 pm

1 stop15h 00m

$587

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Sun 9/13

11:59 pm-7:20 pm

1 stop17h 21m

Bogotá El Dorado

Thu 9/17

8:30 am-9:36 pm

1 stop15h 06m

$644

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Mon 9/14

12:05 pm-4:54 am

2 stops14h 49m

Bogotá El Dorado

Thu 9/17

8:30 am-7:08 pm

1 stop12h 38m

$644

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Sun 9/13

7:00 am-7:20 pm

1 stop10h 20m

Bogotá El Dorado

Tue 9/15

12:14 am-2:24 pm

2 stops16h 10m

$647

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Sun 8/23

6:49 am-2:55 am

2 stops18h 06m

Quito Mariscal Sucr

Wed 9/23

5:25 pm-10:34 am

1 stop19h 09m

$787

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, March is the cheapest month in which you can book a flight from Seattle to South America (average of $159). Flying from Seattle to South America in December is currently the most expensive (average of $1,740). 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.

How far ahead should I book a flight from Seattle to South America?

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to South America. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 July 11, 2026.
See what other customers who have flown with Delta,LATAM Airlines, andUnited 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
7.8
Good
8,459 reviews

Boarding

8.1

Comfort

7.8

Overall

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,459 reviews
Delta
7.8
Good
8,459 reviews

Boarding

8.1

Comfort

7.8

Overall

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
LATAM Airlines
7.4
Good
1,954 reviews
Delta
7.8
Good
8,459 reviews

Boarding

8.1

Comfort

7.8

Overall

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,982 reviews
Delta
7.8
Good
8,459 reviews

Boarding

8.1

Comfort

7.8

Overall

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
GOL
7.3
Good
1,258 reviews
Delta
7.8
Good
8,459 reviews

Boarding

8.1

Comfort

7.8

Overall

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,804 reviews
Delta
7.8
Good
8,459 reviews

Boarding

8.1

Comfort

7.8

Overall

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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.

  • How long is the flight from Seattle to South America?

    There are many flights that can get you from Seattle to South America in 19h 11m. Fly via United Airlines, Delta, or LATAM Airlines to get the fastest option. There are 3964 mi between Seattle and South America. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Seattle to South America one-way?

    To fly one-way, consider booking your trip with LATAM Airlines, which is currently one of the cheapest options available, starting at $214. Avianca flights start at $225 while deals on United Airlines start at $243 one-way.

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

    While some choose either Seattle/Tacoma Intl - Sao Paulo Guarulhos Intl or Seattle/Tacoma Intl - Buenos Aires Jorge Newbery, Seattle/Tacoma Intl - Buenos Aires Ministro Pistarini 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, March is the cheapest month in which you can book a flight from Seattle to South America (average of $159). Flying from Seattle to South America in December is currently the most expensive (average of $1,740). 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

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Top 6 airlines flying from Seattle to South America

Discover the top 6 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 July 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$1,105FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$258Average$957FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$492Average$1,073FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$517Average$945FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$541Average$1,058FlexibilityNo cancel feeOn-time71%
GOLCheapest$1,254Average$1,798FlexibilityNo cancel feeOn-time74%

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