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Cheap flights from Seattle to South America from $167

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to South America departing on 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to South America

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:40 pm - 4:50 pmSEA-MDE
22h 10m2 stops
Multiple Airlines Logo
6:45 pm - 12:35 pmMDE-SEA
20h 50m2 stops
$441Multiple Airlines
Find Deal
Fri, Feb 6 - Fri, Feb 13
Multiple Airlines Logo
8:55 am - 2:15 pmSEA-MDE
26h 20m1 stop
Multiple Airlines Logo
3:15 pm - 10:29 pmMDE-SEA
34h 14m1 stop
$450Multiple Airlines
Find Deal
Tue, Jan 27 - Mon, Feb 2
American Airlines Logo
6:00 am - 11:30 pmSEA-BOG
14h 30m2 stops
American Airlines Logo
8:00 am - 8:45 pmBOG-SEA
15h 45m2 stops
$558American Airlines
Find Deal
Thu, Jan 29 - Wed, Feb 11
LATAM Airlines Logo
2:02 pm - 4:45 pmSEA-BOG
23h 43m2 stops
LATAM Airlines Logo
7:00 am - 7:00 pmBOG-SEA
15h 00m2 stops
$562LATAM Airlines
Find Deal
Mon, Feb 2 - Wed, Feb 4
United Airlines Logo
6:50 am - 10:00 pmSEA-BOG
13h 10m1 stop
United Airlines Logo
12:14 am - 10:53 pmBOG-SEA
24h 39m1 stop
$565United Airlines
Find Deal
Sat, Apr 11 - Thu, Apr 16
LATAM Airlines Logo
6:05 am - 5:40 amSEA-GRU
18h 35m1 stop
LATAM Airlines Logo
10:55 pm - 9:49 pmGRU-SEA
26h 54m1 stop
$575LATAM Airlines
Find Deal
Sun, Mar 1 - Tue, Mar 10
United Airlines Logo
5:00 am - 10:35 pmSEA-BOG
14h 35m2 stops
United Airlines Logo
8:15 am - 9:01 pmBOG-SEA
15h 46m2 stops
$583United Airlines
Find Deal
Sat, Jan 31 - Tue, Mar 3
Delta Logo
7:20 am - 9:55 amSEA-GRU
22h 35m1 stop
Delta Logo
8:30 pm - 7:48 pmGRU-SEA
27h 18m1 stop
$600Delta
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Mon, Mar 16 - Mon, Mar 30
Delta Logo
10:20 pm - 8:55 pmSEA-GRU
17h 35m1 stop
Delta Logo
9:00 pm - 2:45 pmGRU-SEA
21h 45m2 stops
$605Delta
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Sun, Mar 1 - Wed, Mar 11
American Airlines Logo
5:00 pm - 2:25 pmSEA-CGH
40h 25m2 stops
American Airlines Logo
6:10 pm - 5:45 pmCGH-SEA
28h 35m2 stops
$835American Airlines
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Mon, Jan 26 - Thu, Jan 29

Avianca flights from Seattle to South America

Our best Avianca deals on Seattle to South America flight tickets
Avianca
Jan 13
SEA8:10 amSeattle/Tacoma Intl
32h 20m
2 stops
MDE7:30 pmMedellín Jose Maria Cordova Intl
Jan 24
MDE2:10 pmMedellín Jose Maria Cordova Intl
33h 47m
2 stops
SEA8:57 pmSeattle/Tacoma Intl
$461
Find similar
Avianca
Jan 26
SEA8:10 amSeattle/Tacoma Intl
32h 15m
3 stops
MDE7:25 pmMedellín Jose Maria Cordova Intl
Feb 6
MDE2:10 pmMedellín Jose Maria Cordova Intl
33h 47m
2 stops
SEA8:57 pmSeattle/Tacoma Intl
$463
Find similar
Avianca
Mar 5
SEA8:00 amSeattle/Tacoma Intl
29h 50m
2 stops
MDE4:50 pmMedellín Jose Maria Cordova Intl
Mar 9
MDE10:15 pmMedellín Jose Maria Cordova Intl
24h 41m
2 stops
SEA8:56 pmSeattle/Tacoma Intl
$465
Find similar

United Airlines flights from Seattle to South America

Our best United Airlines deals on Seattle to South America flight tickets
United Airlines
Apr 11
SEA6:50 amSeattle/Tacoma Intl
13h 10m
1 stop
BOG10:00 pmBogotá El Dorado
Apr 16
BOG12:14 amBogotá El Dorado
24h 39m
1 stop
SEA10:53 pmSeattle/Tacoma Intl
$565
Find similar
United Airlines
Jan 31
SEA5:00 amSeattle/Tacoma Intl
14h 35m
2 stops
BOG10:35 pmBogotá El Dorado
Mar 3
BOG8:15 amBogotá El Dorado
15h 46m
2 stops
SEA9:01 pmSeattle/Tacoma Intl
$583
Find similar
United Airlines
Dec 5
SEA7:00 amSeattle/Tacoma Intl
19h 15m
2 stops
GRU7:15 amSao Paulo Guarulhos Intl
Dec 7
GRU9:45 pmSao Paulo Guarulhos Intl
23h 22m
1 stop
SEA4:07 pmSeattle/Tacoma Intl
$600
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 3, 2025.
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

Fri 2/6

3:40 pm-4:50 pm

2 stops22h 10m

Medellín Jose Maria Cordova Intl

Fri 2/13

6:45 pm-12:35 pm

2 stops20h 50m

$441

SeattleMedellín

SEA - MDE

SEAMDE

Seattle/Tacoma Intl

Tue 1/27

8:55 am-2:15 pm

1 stop26h 20m

Medellín Jose Maria Cordova Intl

Mon 2/2

3:15 pm-10:29 pm

1 stop34h 14m

$450

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Thu 1/29

6:00 am-11:30 pm

2 stops14h 30m

Bogotá El Dorado

Wed 2/11

8:00 am-8:45 pm

2 stops15h 45m

$558

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Mon 2/2

2:02 pm-4:45 pm

2 stops23h 43m

Bogotá El Dorado

Wed 2/4

7:00 am-7:00 pm

2 stops15h 00m

$562

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Sat 4/11

6:50 am-10:00 pm

1 stop13h 10m

Bogotá El Dorado

Thu 4/16

12:14 am-10:53 pm

1 stop24h 39m

$565

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Sun 3/1

6:05 am-5:40 am

1 stop18h 35m

Sao Paulo Guarulhos Intl

Tue 3/10

10:55 pm-9:49 pm

1 stop26h 54m

$575

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Sat 1/31

5:00 am-10:35 pm

2 stops14h 35m

Bogotá El Dorado

Tue 3/3

8:15 am-9:01 pm

2 stops15h 46m

$583

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Mon 3/16

7:20 am-9:55 am

1 stop22h 35m

Sao Paulo Guarulhos Intl

Mon 3/30

8:30 pm-7:48 pm

1 stop27h 18m

$600

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Sun 3/1

10:20 pm-8:55 pm

1 stop17h 35m

Sao Paulo Guarulhos Intl

Wed 3/11

9:00 pm-2:45 pm

2 stops21h 45m

$605

SeattleSao Paulo

SEA - CGH

SEACGH

Seattle/Tacoma Intl

Mon 1/26

5:00 pm-2:25 pm

2 stops40h 25m

Sao Paulo Congonhas

Thu 1/29

6:10 pm-5:45 pm

2 stops28h 35m

$835

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Seattle to South America

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to South America?

In general, August is the cheapest month to fly from Seattle to South America. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $920. If you aren’t able to travel during the month of August, then book flights to South America from Seattle during November instead. Flights to South America in November, while not as cheap as those in August, still average around $939.

What is the cheapest day to depart on your flight to South America?

The cheapest day to depart from Seattle to South America is on a Tuesday when prices can be found for as low as $877. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to South America for around $977.

What is the cheapest time of day to depart on your flight to South America?

Our data shows that the cheapest Seattle to South America flights are usually those with departure times in the afternoon. Our users have found flights to South America in the afternoon for as low as $883. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,010 on average. Flights to South America from Seattle at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to South America?

You are more likely to see cheaper flights to South America from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to South America for around $1,023 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South America from Seattle for as low as $885 on momondo.

Cheap Seattle to South America flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to South America

Fastest flight time

13h 00m

Direct flights

None
The fastest flight from Seattle to South America takes 13h 00m
There are no direct flights from Seattle to South America. There are no popular flight routes from Seattle to South America.
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  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to South America?

    Prices for flights from Seattle/Tacoma Intl Airport to South America refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to South America?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to South America?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to South America.

  • What documentation or ID do you need to fly to South America?

    The travel and health documents you'll need for your trip to South America may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at South America. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to South America

Compare and see reviews for airlines that fly from Seattle to South America with momondo
Airline
Rating
Free Cancellation
Price
AeromexicoPriceFrom $300Free CancellationRating
7.4
1,653 reviews
Search Aeromexico flights
American AirlinesPriceFrom $465Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $494Free CancellationRating
7.5
1,891 reviews
Search LATAM Airlines flights
DeltaPriceFrom $498Free CancellationRating
7.9
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
9,065 reviews
Search United Airlines flights
GOLPriceFrom $599Free CancellationRating
7.3
1,128 reviews
Search GOL flights
Copa AirlinesPriceFrom $672Free CancellationRating
7.6
1,558 reviews
Search Copa Airlines flights
Air CanadaPriceFrom $745Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to South America?

Finding the right flight to South America from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to South America quick and easy, saving you time and money.

Can I find flights from Seattle to South America with flexible booking policies on momondo?

Yes. All flights to South America from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to South America?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to South America from Seattle.

I’m not ready to book a flight from Seattle to South America right now. Can momondo alert me if prices change?

Price alerts on flights to South America from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your South America trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to South America

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