How long is the flight from Seattle to South America?

There are many flights that can get you from Seattle to South America in 10h 30m. Fly via LATAM Airlines, United Airlines, or Delta to get the fastest option. There are 4097 mi between Seattle and South America. This flight may include one or multiple stops.

In terms of precipitation, rainfall in South America ranges from 0.8 - 9.4 inches per month. January is typically the wettest month, when rainfall can reach 9.4 in. July is typically the driest time to visit South America when rainfall is around 0.8 in.

If weather is an important factor for your trip to South America, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 62.6 F).

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

While some choose either Seattle/Tacoma Intl - Medellín Jose Maria Cordova Intl or Seattle/Tacoma Intl - Sao Paulo Guarulhos Intl, Seattle/Tacoma Intl - Lima J Chavez Intl is the most popular route from Seattle to South America.

What are the most popular airlines that fly from Seattle to South America?

When booking a flight from Seattle to South America, you may want to consider flying on American Airlines, Aeromexico or Copa Airlines as they are the most popular for this route.

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.

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.

$169+ Cheap Flights from Seattle to South America

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Cheap flight deals from Seattle to South America

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$411 (Kiwi.com)
One-way from	$169 (Kiwi.com)
Popular in	December
Cheapest in	May
Average price	$659

Provider with most accurate pricing for Seattle/Tacoma Intl-Sao Paulo (SAO) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Sao Paulo (SAO) flights.

Search Deals

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. 22% potential increase in price ($218 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($56 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 September 25, 2025.

Mon 10/208:34 amSEA - MDE

1 stop13h 47mMultiple Airlines

Mon 11/32:16 amMDE - SEA

1 stop22h 54mMultiple Airlines

Deal found 9/25

$411

Thu 10/238:34 amSEA - BOG

1 stop26h 41mMultiple Airlines

Mon 10/272:10 pmBOG - SEA

1 stop34h 00mMultiple Airlines

Deal found 9/24

$479

Thu 10/238:34 amSEA - BOG

1 stop26h 41mMultiple Airlines

Wed 10/292:10 pmBOG - SEA

1 stop34h 00mMultiple Airlines

Deal found 9/23

$483

Tue 10/218:34 amSEA - MDE

1 stop13h 47mMultiple Airlines

Mon 10/271:16 amMDE - SEA

1 stop22h 54mMultiple Airlines

Deal found 9/22

$489

Wed 10/228:34 amSEA - BOG

1 stop31h 25mMultiple Airlines

Wed 10/299:00 amBOG - SEA

2 stops39h 10mMultiple Airlines

Deal found 9/24

$490

Sat 10/188:34 amSEA - BOG

1 stop26h 41mMultiple Airlines

Wed 11/1210:40 pmBOG - SEA

2 stops50h 30mMultiple Airlines

Deal found 9/24

$500

Fri 11/145:59 pmSEA - BOG

2 stops17h 11mMultiple Airlines

Mon 11/2411:10 pmBOG - SEA

1 stop15h 05mMultiple Airlines

Deal found 9/24

$509

Thu 10/238:34 amSEA - BOG

1 stop26h 41mMultiple Airlines

Thu 10/302:10 pmBOG - SEA

1 stop34h 00mMultiple Airlines

Deal found 9/25

$510

Wed 10/2210:59 pmSEA - BOG

1 stop15h 36mLATAM Airlines

Mon 10/278:35 amBOG - SEA

1 stop15h 05mLATAM Airlines

Deal found 9/25

$513

Tue 10/218:34 amSEA - MDE

1 stop13h 47mMultiple Airlines

Sun 10/2611:50 pmMDE - SEA

1 stop24h 40mMultiple Airlines

Deal found 9/23

$515

Fri 10/248:34 amSEA - BOG

1 stop26h 41mMultiple Airlines

Wed 10/299:35 pmBOG - SEA

2 stops26h 35mMultiple Airlines

Deal found 9/24

$515

Wed 10/111:25 amSEA - GRU

1 stop17h 25mLATAM Airlines

Fri 10/3111:10 pmGRU - SEA

1 stop17h 50mLATAM Airlines

Deal found 9/25

$575

Best flights from Seattle to South America
Discover carefully curated flight deals from Seattle to South America that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2025.

Mon 10/208:34 amSEA - MDE

1 stop13h 47mMultiple Airlines

Mon 11/32:16 amMDE - SEA

1 stop22h 54mMultiple Airlines

Deal found 9/25

$411

Sun 11/96:00 amSEA - BOG

1 stop10h 30mLATAM Airlines

Wed 11/1910:55 amBOG - SEA

1 stop13h 58mLATAM Airlines

Deal found 9/23

$543

Sat 11/811:50 pmSEA - BOG

1 stop20h 15mUnited Airlines

Sat 11/158:15 amBOG - SEA

1 stop14h 10mUnited Airlines

Deal found 9/24

$549

Thu 12/43:40 pmSEA - BOG

1 stop19h 53mDelta

Sat 12/137:00 amBOG - SEA

1 stop18h 02mDelta

Deal found 9/22

$553

Tue 10/216:35 amSEA - MDE

2 stops24h 09mCopa Airlines

Wed 10/2910:46 amMDE - SEA

2 stops26h 53mCopa Airlines

Deal found 9/23

$645

Mon 10/278:00 pmSEA - SCL

2 stops35h 15mAir Canada

Mon 11/178:55 pmSCL - SEA

2 stops30h 11mAir Canada

Deal found 9/25

$922

Mon 12/812:31 amSEA - SCL

1 stop26h 14mAmerican Airlines

Thu 12/1810:25 pmSCL - SEA

2 stops21h 29mAmerican Airlines

Deal found 9/25

$1,032

Fri 11/76:00 amSEA - BOG

1 stop10h 30mLATAM Airlines

Wed 11/1910:55 amBOG - SEA

2 stops16h 04mLATAM Airlines

Deal found 9/25

$547

Thu 12/42:03 pmSEA - BOG

1 stop21h 30mDelta

Sat 12/63:55 pmBOG - SEA

1 stop21h 23mDelta

Deal found 9/24

$553

Sat 11/87:10 amSEA - BOG

1 stop12h 25mUnited Airlines

Tue 11/181:30 amBOG - SEA

2 stops19h 40mUnited Airlines

Deal found 9/24

$553

Tue 10/288:53 amSEA - MDE

1 stop22h 07mMultiple Airlines

Thu 11/611:50 pmMDE - SEA

1 stop25h 40mMultiple Airlines

Deal found 9/25

$591

Sun 11/211:59 pmSEA - BOG

1 stop19h 36mUnited Airlines

Fri 11/141:30 amBOG - SEA

1 stop14h 17mUnited Airlines

Deal found 9/23

$553

Thu 12/43:40 pmSEA - BOG

1 stop19h 53mDelta

Fri 12/123:55 pmBOG - SEA

1 stop21h 21mDelta

Deal found 9/25

$553

Mon 11/248:45 amSEA - MDE

1 stop21h 15mMultiple Airlines

Tue 12/211:50 pmMDE - SEA

1 stop25h 40mMultiple Airlines

Deal found 9/25

$606

Thu 10/2311:10 amSEA - BOG

2 stops15h 44mUnited Airlines

Wed 10/291:30 amBOG - SEA

1 stop13h 17mUnited Airlines

Deal found 9/25

$553

Sun 2/16:00 amSEA - GRU

1 stop18h 40mDelta

Fri 2/207:35 amGRU - SEA

2 stops36h 19mDelta

Deal found 9/23

$600

Sun 11/167:10 amSEA - BOG

1 stop19h 00mUnited Airlines

Tue 11/251:30 amBOG - SEA

2 stops19h 40mUnited Airlines

Deal found 9/23

$553

Mon 11/32:59 pmSEA - MDE

2 stops18h 56mMultiple Airlines

Thu 11/132:10 pmMDE - SEA

2 stops23h 56mMultiple Airlines

Deal found 9/25

$632

Thu 10/236:00 amSEA - GRU

1 stop19h 40mDelta

Thu 10/309:15 pmGRU - SEA

1 stop20h 46mDelta

Deal found 9/23

$600

Fri 10/318:35 amSEA - MDE

1 stop13h 46mMultiple Airlines

Sun 11/22:16 amMDE - SEA

1 stop22h 54mMultiple Airlines

Deal found 9/22

$633

Sat 10/116:35 amSEA - SCL

2 stops19h 25mCopa Airlines

Fri 10/171:24 amSCL - SEA

2 stops24h 29mCopa Airlines

Deal found 9/25

$846

Wed 3/181:55 pmSEA - GRU

1 stop15h 35mUnited Airlines

Wed 4/229:30 pmGRU - SEA

2 stops22h 54mUnited Airlines

Deal found 9/25

$592

Thu 1/298:00 amSEA - GRU

2 stops27h 30mDelta

Thu 2/199:30 pmGRU - SEA

1 stop19h 59mDelta

Deal found 9/24

$600

Mon 11/36:50 pmSEA - MDE

2 stops15h 05mMultiple Airlines

Fri 11/1411:00 pmMDE - SEA

1 stop14h 25mMultiple Airlines

Deal found 9/24

$644

Thu 11/276:00 amSEA - GRU

1 stop18h 40mDelta

Fri 12/129:00 pmGRU - SEA

1 stop18h 25mDelta

Deal found 9/24

$600

Thu 2/512:40 pmSEA - GRU

1 stop15h 50mUnited Airlines

Tue 2/2410:25 pmGRU - SEA

1 stop27h 31mUnited Airlines

Deal found 9/25

$600

Tue 11/412:41 pmSEA - MVD

2 stops27h 51mCopa Airlines

Tue 11/1110:14 amMVD - SEA

2 stops30h 25mCopa Airlines

Deal found 9/25

$929

Mon 2/27:20 amSEA - GRU

1 stop21h 35mDelta

Fri 2/207:35 amGRU - SEA

2 stops36h 19mDelta

Deal found 9/23

$600

Mon 3/26:45 amSEA - GRU

1 stop21h 45mUnited Airlines

Fri 3/69:30 pmGRU - SEA

1 stop18h 29mUnited Airlines

Deal found 9/23

$600

Thu 2/268:00 amSEA - MVD

2 stops41h 45mLATAM Airlines

Thu 3/511:35 amMVD - SEA

2 stops36h 50mLATAM Airlines

Deal found 9/24

$996

Last-minute flights from Seattle to South America
Discover last-minute flight deals from Seattle to South America. Data last updated September 25, 2025 and is based on user searches.

Wed 10/111:25 amSEA - GRU

1 stop17h 25mLATAM Airlines

Fri 10/3111:10 pmGRU - SEA

1 stop17h 50mLATAM Airlines

Deal found 9/25

$575

Sat 10/188:34 amSEA - BOG

1 stop26h 41mMultiple Airlines

Wed 11/1210:40 pmBOG - SEA

2 stops50h 30mMultiple Airlines

Deal found 9/24

$500

Mon 10/208:34 amSEA - MDE

1 stop13h 47mMultiple Airlines

Mon 11/32:16 amMDE - SEA

1 stop22h 54mMultiple Airlines

Deal found 9/25

$411

Tue 10/218:34 amSEA - MDE

1 stop13h 47mMultiple Airlines

Mon 10/271:16 amMDE - SEA

1 stop22h 54mMultiple Airlines

Deal found 9/22

$489

Tue 10/218:34 amSEA - MDE

1 stop13h 47mMultiple Airlines

Sun 10/2611:50 pmMDE - SEA

1 stop24h 40mMultiple Airlines

Deal found 9/23

$515

Wed 10/228:34 amSEA - BOG

1 stop31h 25mMultiple Airlines

Wed 10/299:00 amBOG - SEA

2 stops39h 10mMultiple Airlines

Deal found 9/24

$490

Wed 10/2210:59 pmSEA - BOG

1 stop15h 36mLATAM Airlines

Mon 10/278:35 amBOG - SEA

1 stop15h 05mLATAM Airlines

Deal found 9/25

$513

Thu 10/238:34 amSEA - BOG

1 stop26h 41mMultiple Airlines

Mon 10/272:10 pmBOG - SEA

1 stop34h 00mMultiple Airlines

Deal found 9/24

$479

Thu 10/238:34 amSEA - BOG

1 stop26h 41mMultiple Airlines

Wed 10/292:10 pmBOG - SEA

1 stop34h 00mMultiple Airlines

Deal found 9/23

$483

Thu 10/238:34 amSEA - BOG

1 stop26h 41mMultiple Airlines

Thu 10/302:10 pmBOG - SEA

1 stop34h 00mMultiple Airlines

Deal found 9/25

$510

Fri 10/248:34 amSEA - BOG

1 stop26h 41mMultiple Airlines

Wed 10/299:35 pmBOG - SEA

2 stops26h 35mMultiple Airlines

Deal found 9/24

$515

Fri 10/3110:05 amSEA - BOG

2 stops25h 10mMultiple Airlines

Tue 11/113:05 pmBOG - SEA

1 stop34h 05mMultiple Airlines

Deal found 9/24

$521

One-way flights from Seattle to South America
Search for one-way flight options from Seattle to South America. Find affordable one-way fares based on user searches. Data last updated September 25, 2025.

Sun 10/268:35 amSEA - MDE

1 stop26h 36mMultiple Airlines

Deal found 9/24

$169

Wed 10/298:35 amSEA - MDE

1 stop13h 46mMultiple Airlines

Deal found 9/24

$196

Mon 10/2710:16 amSEA - MDE

2 stops36h 05mMultiple Airlines

Deal found 9/24

$211

Fri 11/72:22 pmSEA - BOG

2 stops19h 40mMultiple Airlines

Deal found 9/23

$212

Thu 10/238:34 amSEA - BOG

2 stops25h 26mMultiple Airlines

Deal found 9/23

$218

Tue 10/288:35 amSEA - MDE

1 stop13h 46mMultiple Airlines

Deal found 9/25

$224

Wed 10/223:35 pmSEA - UIO

2 stops23h 30mMultiple Airlines

Deal found 9/25

$228

Sat 10/251:02 pmSEA - UIO

2 stops23h 11mMultiple Airlines

Deal found 9/25

$230

Mon 10/208:34 amSEA - BOG

2 stops20h 42mMultiple Airlines

Deal found 9/22

$230

Tue 10/218:34 amSEA - LIM

2 stops38h 01mMultiple Airlines

Deal found 9/25

$234

Mon 10/66:35 amSEA - LIM

2 stops18h 50mAvianca

Deal found 9/22

$235

Mon 10/271:02 pmSEA - UIO

2 stops23h 11mMultiple Airlines

Deal found 9/25

$238

Cheapflights Fare Finder

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

SeattleMedellín

SEA - MDE

SEAMDE

Seattle/Tacoma Intl

Mon 10/20

8:34 am-12:21 am

1 stop13h 47m

Medellín Jose Maria Cordova Intl

Mon 11/3

2:16 am-10:10 pm

1 stop22h 54m

$411

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Sun 11/9

6:00 am-7:30 pm

1 stop10h 30m

Bogotá El Dorado

Wed 11/19

10:55 am-9:53 pm

1 stop13h 58m

$543

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Fri 11/7

6:00 am-7:30 pm

1 stop10h 30m

Bogotá El Dorado

Wed 11/19

10:55 am-11:59 pm

2 stops16h 04m

$547

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Sat 11/8

11:50 pm-11:05 pm

1 stop20h 15m

Bogotá El Dorado

Sat 11/15

8:15 am-7:25 pm

1 stop14h 10m

$549

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Thu 12/4

3:40 pm-2:33 pm

1 stop19h 53m

Bogotá El Dorado

Sat 12/13

7:00 am-10:02 pm

1 stop18h 02m

$553

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Thu 12/4

2:03 pm-2:33 pm

1 stop21h 30m

Bogotá El Dorado

Sat 12/6

3:55 pm-10:18 am

1 stop21h 23m

$553

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Sat 11/8

7:10 am-10:35 pm

1 stop12h 25m

Bogotá El Dorado

Tue 11/18

1:30 am-6:10 pm

2 stops19h 40m

$553

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Sun 11/2

11:59 pm-10:35 pm

1 stop19h 36m

Bogotá El Dorado

Fri 11/14

1:30 am-12:47 pm

1 stop14h 17m

$553

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Thu 12/4

3:40 pm-2:33 pm

1 stop19h 53m

Bogotá El Dorado

Fri 12/12

3:55 pm-10:16 am

1 stop21h 21m

$553

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Thu 10/23

11:10 am-4:54 am

2 stops15h 44m

Bogotá El Dorado

Wed 10/29

1:30 am-12:47 pm

1 stop13h 17m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Showing 1-10 of 60 results

...

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?

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

See what other customers who have flown with Delta, Copa Airlines, and LATAM 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

7,973 reviews

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

7,973 reviews

Delta

8.0

Very good

7,973 reviews

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

7.6

Good

1,539 reviews

Delta

8.0

Very good

7,973 reviews

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

1,855 reviews

Delta

8.0

Very good

7,973 reviews

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

8,926 reviews

Delta

8.0

Very good

7,973 reviews

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

7,973 reviews

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

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 10h 30m. Fly via LATAM Airlines, United Airlines, or Delta to get the fastest option. There are 4097 mi between Seattle and South America. This flight may include one or multiple stops.
What are the most popular routes from Seattle to South America?
While some choose either Seattle/Tacoma Intl - Medellín Jose Maria Cordova Intl or Seattle/Tacoma Intl - Sao Paulo Guarulhos Intl, Seattle/Tacoma Intl - Lima J Chavez 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

Browse thousands of different options on Cheapflights for your next trip

Top 9 airlines flying from Seattle to South America

Airline	Cheapest	Average	Flexibility	On-time
Aeromexico	Cheapest$300	Average$566	FlexibilityNo cancel fee	On-timeN/A
Spirit Airlines	Cheapest$382	Average$658	FlexibilityNo cancel fee	On-time65%
LATAM Airlines	Cheapest$494	Average$1,181	FlexibilityNo cancel fee	On-time81%
American Airlines	Cheapest$498	Average$1,009	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$498	Average$1,025	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$498	Average$1,013	FlexibilityNo cancel fee	On-time69%
GOL	Cheapest$599	Average$1,162	FlexibilityNo cancel fee	On-time74%
Copa Airlines	Cheapest$627	Average$1,066	FlexibilityNo cancel fee	On-time70%
Air Canada	Cheapest$745	Average$955	FlexibilityNo cancel fee	On-time67%

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$169+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to South America with Cheapflights

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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 September 25, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Seattle to South America

Cheapest flights from Seattle to South AmericaExplore 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 September 25, 2025.

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 September 25, 2025.

Cheapflights Fare Finder

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

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.

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?

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 September 25, 2025.

Reviews of airlines servicing South America

See what other customers who have flown with Delta, Copa Airlines, and LATAM 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.

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?

How long is the flight from Seattle to South America?

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

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

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

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

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

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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 September 25, 2025.