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Cheap flights from Seattle to South America from $172

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 3/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
3:50 pm - 8:25 pm
SEA
-
BOG
25h 35m
1 stop
Multiple Airlines Logo
7:05 am - 10:12 pm
BOG
-
SEA
18h 07m
1 stop
$362Multiple Airlines
Tue, Feb 10 - Wed, Mar 4
Multiple Airlines Logo
6:02 pm - 8:25 pm
SEA
-
BOG
23h 23m
1 stop
Multiple Airlines Logo
11:15 pm - 2:58 pm
BOG
-
SEA
18h 43m
1 stop
$363Multiple Airlines
Tue, Feb 10 - Wed, Mar 4
LATAM Airlines Logo
7:10 am - 9:55 am
SEA
-
GRU
21h 45m
1 stop
LATAM Airlines Logo
10:15 am - 10:30 pm
GRU
-
SEA
17h 15m
1 stop
$609LATAM Airlines
Tue, Mar 3 - Fri, Mar 6
LATAM Airlines Logo
1:45 pm - 9:55 am
SEA
-
GRU
16h 10m
1 stop
LATAM Airlines Logo
10:40 pm - 2:35 pm
GRU
-
SEA
19h 55m
1 stop
$612LATAM Airlines
Tue, Mar 17 - Sun, Mar 29
Delta Logo
6:05 am - 5:00 am
SEA
-
GRU
18h 55m
2 stops
Delta Logo
8:30 am - 9:59 pm
GRU
-
SEA
17h 29m
1 stop
$613Delta
Tue, Jun 30 - Sun, Jul 19
United Airlines Logo
11:59 pm - 7:15 am
SEA
-
GRU
27h 16m
1 stop
United Airlines Logo
10:20 pm - 7:00 pm
GRU
-
SEA
24h 40m
1 stop
$614United Airlines
Wed, Mar 18 - Wed, Apr 22
United Airlines Logo
7:00 am - 9:30 am
SEA
-
GRU
22h 30m
2 stops
United Airlines Logo
10:20 pm - 7:00 pm
GRU
-
SEA
24h 40m
1 stop
$615United Airlines
Wed, Mar 18 - Wed, Apr 22
Delta Logo
7:10 am - 9:55 am
SEA
-
GRU
21h 45m
1 stop
Delta Logo
9:00 pm - 7:46 pm
GRU
-
SEA
26h 46m
1 stop
$622Delta
Tue, Feb 24 - Wed, Mar 11
American Airlines Logo
12:59 am - 8:10 am
SEA
-
GRU
27h 11m
1 stop
American Airlines Logo
11:00 pm - 9:16 pm
GRU
-
SEA
26h 16m
1 stop
$624American Airlines
Sun, Mar 8 - Sat, Mar 14
American Airlines Logo
6:53 am - 9:55 am
SEA
-
MVD
23h 02m
2 stops
American Airlines Logo
10:15 pm - 11:40 pm
MVD
-
SEA
29h 25m
1 stop
$1,164American Airlines
Sun, Mar 15 - Mon, Mar 23

Delta flights from Seattle to South America

Our best Delta deals on Seattle to South America flight tickets
Delta
Jan 21
SEA11:10 pmSeattle/Tacoma Intl
18h 10m
2 stops
BOG8:20 pmBogotá El Dorado
Jan 25
BOG3:55 pmBogotá El Dorado
21h 12m
1 stop
SEA10:07 amSeattle/Tacoma Intl
$552
Delta
Jun 30
SEA11:15 pmSeattle/Tacoma Intl
28h 35m
1 stop
GRU7:50 amSao Paulo Guarulhos Intl
Jul 23
GRU10:45 pmSao Paulo Guarulhos Intl
24h 15m
1 stop
SEA7:00 pmSeattle/Tacoma Intl
$613
Delta
Feb 24
SEA7:10 amSeattle/Tacoma Intl
21h 45m
1 stop
GRU9:55 amSao Paulo Guarulhos Intl
Mar 16
GRU11:45 pmSao Paulo Guarulhos Intl
18h 12m
1 stop
SEA1:57 pmSeattle/Tacoma Intl
$622

American Airlines flights from Seattle to South America

Our best American Airlines deals on Seattle to South America flight tickets
American Airlines
Jan 23
SEA6:00 amSeattle/Tacoma Intl
14h 30m
1 stop
BOG11:30 pmBogotá El Dorado
Jan 25
BOG8:00 amBogotá El Dorado
18h 42m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
$555
American Airlines
Jan 23
SEA8:35 amSeattle/Tacoma Intl
11h 55m
1 stop
BOG11:30 pmBogotá El Dorado
Jan 25
BOG8:00 amBogotá El Dorado
17h 20m
2 stops
SEA10:20 pmSeattle/Tacoma Intl
$560
American Airlines
Jan 21
SEA6:38 pmSeattle/Tacoma Intl
16h 37m
2 stops
BOG2:15 pmBogotá El Dorado
Jan 25
BOG8:00 amBogotá El Dorado
17h 20m
2 stops
SEA10:20 pmSeattle/Tacoma Intl
$621

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 January 20, 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

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Tue 2/10

3:50 pm-8:25 pm

1 stop25h 35m

Bogotá El Dorado

Wed 3/4

7:05 am-10:12 pm

1 stop18h 07m

$362

SeattleBogotá

SEA - BOG

SEABOG

Seattle/Tacoma Intl

Tue 2/10

6:02 pm-8:25 pm

1 stop23h 23m

Bogotá El Dorado

Wed 3/4

11:15 pm-2:58 pm

1 stop18h 43m

$363

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Tue 3/3

7:10 am-9:55 am

1 stop21h 45m

Sao Paulo Guarulhos Intl

Fri 3/6

10:15 am-10:30 pm

1 stop17h 15m

$609

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Tue 3/17

1:45 pm-9:55 am

1 stop16h 10m

Sao Paulo Guarulhos Intl

Sun 3/29

10:40 pm-2:35 pm

1 stop19h 55m

$612

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Tue 6/30

6:05 am-5:00 am

2 stops18h 55m

Sao Paulo Guarulhos Intl

Sun 7/19

8:30 am-9:59 pm

1 stop17h 29m

$613

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Wed 3/18

11:59 pm-7:15 am

1 stop27h 16m

Sao Paulo Guarulhos Intl

Wed 4/22

10:20 pm-7:00 pm

1 stop24h 40m

$614

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Wed 3/18

7:00 am-9:30 am

2 stops22h 30m

Sao Paulo Guarulhos Intl

Wed 4/22

10:20 pm-7:00 pm

1 stop24h 40m

$615

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Tue 2/24

7:10 am-9:55 am

1 stop21h 45m

Sao Paulo Guarulhos Intl

Wed 3/11

9:00 pm-7:46 pm

1 stop26h 46m

$622

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Sun 3/8

12:59 am-8:10 am

1 stop27h 11m

Sao Paulo Guarulhos Intl

Sat 3/14

11:00 pm-9:16 pm

1 stop26h 16m

$624

SeattleMontevideo

SEA - MVD

SEAMVD

Seattle/Tacoma Intl

Sun 3/15

6:53 am-9:55 am

2 stops23h 02m

Montevideo Carrasco

Mon 3/23

10:15 pm-11:40 pm

1 stop29h 25m

$1,164

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.

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 $1,024 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 $867 on momondo.

Can stopping save me money on Seattle to South America flights?

You could potentially save up to 11% on your flight if you consider stops on a Seattle to South America flight.

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

12h 25m

Direct flights

None
The fastest flight from Seattle to South America takes 12h 25m
There are no direct flights from Seattle to South America. There are no popular flight routes from Seattle to South America.
Search flight deals

  • 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 $272Free CancellationRating
7.4
1,596 reviews
Search Aeromexico flights
DeltaPriceFrom $297Free CancellationRating
7.9
8,085 reviews
Search Delta flights
American AirlinesPriceFrom $465Free CancellationRating
7.2
11,169 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $494Free CancellationRating
7.5
1,912 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
9,189 reviews
Search United Airlines flights
GOLPriceFrom $599Free CancellationRating
7.3
1,152 reviews
Search GOL flights
Air CanadaPriceFrom $745Free CancellationRating
7.1
10,644 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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