Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Washington to South America from $174

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to South America departing on 9/14. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington to South America

Cheap round-trip flights

Logo
7:20 am - 3:30 amPDX-LIM
18h 10m2 stops
Logo
3:05 am - 4:50 pmLIM-PDX
16h 45m2 stops
$468
Find Deal
Fri, Oct 31 - Fri, Nov 7
Logo
7:20 am - 3:30 amPDX-LIM
18h 10m2 stops
Logo
3:05 am - 4:50 pmLIM-PDX
16h 45m2 stops
$470
Find Deal
Mon, Oct 27 - Sun, Nov 9
LATAM Airlines Logo
6:00 am - 5:40 amSEA-GRU
19h 40m1 stop
LATAM Airlines Logo
10:50 pm - 2:44 pmGRU-SEA
19h 54m1 stop
$473LATAM Airlines
Find Deal
Fri, Oct 24 - Tue, Oct 28
Logo
8:05 am - 3:30 amSEA-LIM
16h 25m2 stops
Logo
3:05 am - 4:56 pmLIM-SEA
16h 51m2 stops
$474
Find Deal
Sun, Nov 2 - Wed, Nov 12
LATAM Airlines Logo
11:29 am - 8:50 amSEA-GRU
17h 21m1 stop
LATAM Airlines Logo
10:50 pm - 2:44 pmGRU-SEA
19h 54m1 stop
$483LATAM Airlines
Find Deal
Mon, Oct 6 - Sun, Oct 19
United Airlines Logo
7:00 am - 7:15 amSEA-GRU
19h 15m1 stop
United Airlines Logo
10:15 pm - 4:13 pmGRU-SEA
22h 58m2 stops
$490United Airlines
Find Deal
Tue, Jan 27 - Tue, Feb 10
United Airlines Logo
11:05 am - 7:15 amSEA-GRU
15h 10m1 stop
United Airlines Logo
10:15 pm - 12:20 pmGRU-SEA
19h 05m1 stop
$491United Airlines
Find Deal
Tue, Jan 27 - Tue, Feb 10
JetBlue Logo
11:30 am - 2:05 pmSEA-MDE
24h 35m2 stops
JetBlue Logo
1:30 pm - 11:59 amMDE-SEA
24h 29m2 stops
$505JetBlue
Find Deal
Sat, Sep 20 - Wed, Oct 15
American Airlines Logo
7:23 am - 8:10 amSEA-GRU
19h 47m1 stop
American Airlines Logo
12:15 am - 11:40 pmGRU-SEA
28h 25m1 stop
$511American Airlines
Find Deal
Tue, Nov 4 - Sun, Nov 16
American Airlines Logo
12:59 am - 8:10 amSEA-GRU
26h 11m1 stop
American Airlines Logo
11:10 pm - 2:08 pmGRU-SEA
19h 58m2 stops
$513American Airlines
Find Deal
Sun, Nov 9 - Mon, Nov 17

Aeromexico flights from State of Washington to South America

Our best Aeromexico deals on State of Washington to South America flight tickets
Aeromexico
Nov 14
SEA9:30 amSeattle/Tacoma Intl
26h 15m
1 stop
BOG2:45 pmBogotá El Dorado
Nov 23
BOG1:47 amBogotá El Dorado
21h 13m
1 stop
SEA8:00 pmSeattle/Tacoma Intl
$551
Find similar
Aeromexico
Sep 2
SEA9:30 amSeattle/Tacoma Intl
13h 05m
1 stop
MDE12:35 amMedellín Jose Maria Cordova Intl
Sep 14
MDE2:00 amMedellín Jose Maria Cordova Intl
20h 00m
1 stop
SEA8:00 pmSeattle/Tacoma Intl
$1,176
Find similar

Delta flights from State of Washington to South America

Our best Delta deals on State of Washington to South America flight tickets
Delta
Aug 28
SEA7:20 amSeattle/Tacoma Intl
21h 40m
1 stop
GRU9:00 amSao Paulo Guarulhos Intl
Sep 12
GRU7:35 amSao Paulo Guarulhos Intl
20h 49m
2 stops
SEA12:24 amSeattle/Tacoma Intl
$500
Find similar
Delta
Aug 29
SEA12:15 pmSeattle/Tacoma Intl
37h 25m
1 stop
GRU5:40 amSao Paulo Guarulhos Intl
Sep 12
GRU10:05 amSao Paulo Guarulhos Intl
17h 49m
1 stop
SEA11:54 pmSeattle/Tacoma Intl
$507
Find similar
Delta
Aug 28
SEA11:35 amSeattle/Tacoma Intl
17h 25m
1 stop
GRU9:00 amSao Paulo Guarulhos Intl
Sep 12
GRU8:10 amSao Paulo Guarulhos Intl
41h 56m
2 stops
SEA10:06 pmSeattle/Tacoma Intl
$510
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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 August 20, 2025.
Use the filters below to find and compare flights from Washington to South America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandLima

PDX - LIM

PDXLIM

Portland

Fri 10/31

7:20 am-3:30 am

2 stops18h 10m

Lima J Chavez Intl

Fri 11/7

3:05 am-4:50 pm

2 stops16h 45m

$468

PortlandLima

PDX - LIM

PDXLIM

Portland

Mon 10/27

7:20 am-3:30 am

2 stops18h 10m

Lima J Chavez Intl

Sun 11/9

3:05 am-4:50 pm

2 stops16h 45m

$470

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Fri 10/24

6:00 am-5:40 am

1 stop19h 40m

Sao Paulo Guarulhos Intl

Tue 10/28

10:50 pm-2:44 pm

1 stop19h 54m

$473

SeattleLima

SEA - LIM

SEALIM

Seattle/Tacoma Intl

Sun 11/2

8:05 am-3:30 am

2 stops16h 25m

Lima J Chavez Intl

Wed 11/12

3:05 am-4:56 pm

2 stops16h 51m

$474

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Mon 10/6

11:29 am-8:50 am

1 stop17h 21m

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

Tue 1/27

7:00 am-7:15 am

1 stop19h 15m

Sao Paulo Guarulhos Intl

Tue 2/10

10:15 pm-4:13 pm

2 stops22h 58m

$490

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

10:15 pm-12:20 pm

1 stop19h 05m

$491

SeattleMedellín

SEA - MDE

SEAMDE

Seattle/Tacoma Intl

Sat 9/20

11:30 am-2:05 pm

2 stops24h 35m

Medellín Jose Maria Cordova Intl

Wed 10/15

1:30 pm-11:59 am

2 stops24h 29m

$505

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Tue 11/4

7:23 am-8:10 am

1 stop19h 47m

Sao Paulo Guarulhos Intl

Sun 11/16

12:15 am-11:40 pm

1 stop28h 25m

$511

SeattleSao Paulo

SEA - GRU

SEAGRU

Seattle/Tacoma Intl

Sun 11/9

12:59 am-8:10 am

1 stop26h 11m

Sao Paulo Guarulhos Intl

Mon 11/17

11:10 pm-2:08 pm

2 stops19h 58m

$513

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

How to get the cheapest flight ticket from State of Washington 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, September is the cheapest month to fly from State of Washington to South America. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $945. If you aren’t able to travel during the month of September, then book flights to South America from State of Washington during October instead. Flights to South America in October, while not as cheap as those in September, still average around $953.

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

The cheapest day to depart from State of Washington 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 State of Washington 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 State of Washington 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 State of Washington 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 State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to South America for around $1,047 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South America from State of Washington for as low as $880 on momondo.

Cheap State of Washington to South America flight deals and tips

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

Direct flights

None
There are no direct flights from State of Washington to South America. There are no popular flight routes from State of Washington to South America.
Search flight deals

  • When did momondo last update prices for flights from Washington to South America?

    Prices for flights from Washington to South America refresh daily.

  • How many operators does momondo search for flights from Washington to South America?

  • How old do you have to be to fly from Washington to South America?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to South America.

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

    The required travel and health documents for your South America trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at South America. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from State of Washington to South America

Compare and see reviews for airlines that fly from State of Washington to South America with momondo
Airline
Rating
Free Cancellation
Price
AeromexicoPriceFrom $300Free CancellationRating
7.5
1,718 reviews
Search Aeromexico flights
Spirit AirlinesPriceFrom $382Free CancellationRating
6.3
8,039 reviews
Search Spirit Airlines flights
DeltaPriceFrom $449Free CancellationRating
7.9
7,982 reviews
Search Delta flights
LATAM AirlinesPriceFrom $449Free CancellationRating
7.5
1,844 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $498Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
GOLPriceFrom $599Free CancellationRating
7.3
1,095 reviews
Search GOL flights
Copa AirlinesPriceFrom $627Free CancellationRating
7.5
1,510 reviews
Search Copa Airlines flights
Air CanadaPriceFrom $745Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to South America. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Washington to South America flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington 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 Washington.

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

Of course. momondo tracks the price of Washington to South America flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 8/25
Mon 9/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to South America

Popular cities in South America

Popular flights according to clicks in the last 7 days on momondo
Flights to Limafrom $264
Flights to Buenos Airesfrom $536
Flights to Bogotáfrom $180
Flights to Sao Paulofrom $375
Flights to Medellínfrom $171
Flights to Rio de Janeirofrom $460
Flights to Santiagofrom $403
Flights to Cartagenafrom $180
Flights to Quitofrom $318
Flights to Cuscofrom $405
Flights to Califrom $186
Flights to Guayaquilfrom $242