What is the cheapest airline that flies from Washington to Porto Alegre Salgado Filho?

Delta and LATAM Airlines are the most popular carriers operating from Washington to Porto Alegre Salgado Filho

When did momondo last update prices for flights from Washington to Porto Alegre Salgado Filho Airport?

Prices for flights from Washington to Porto Alegre Salgado Filho Airport are updated daily.

How old do you have to be to fly from Washington to Porto Alegre Salgado Filho Airport?

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 Washington to Porto Alegre Salgado Filho Airport.

What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

The travel and health documents you'll need for your trip to Porto Alegre Salgado Filho Airport 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 Porto Alegre Salgado Filho Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$421 Cheap Flights from Washington to Porto Alegre in 2025/26

1 adult

0 bags

Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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Cheap round-trip flights

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6:00 am - 5:00 pmSEA-POA

31h 00m2 stops

5:55 pm - 1:00 pmPOA-SEA

23h 05m2 stops

$1,091LATAM Airlines

Find Deal

Tue, Mar 24 - Thu, Mar 26

9:30 am - 5:00 pmSEA-POA

27h 30m2 stops

5:55 pm - 1:00 pmPOA-SEA

23h 05m2 stops

$1,092LATAM Airlines

Find Deal

Tue, Mar 24 - Thu, Mar 26

9:45 pm - 6:30 amPDX-POA

27h 45m2 stops

7:45 am - 10:24 pmPOA-PDX

19h 39m2 stops

$1,110Delta

Find Deal

Tue, Mar 3 - Sat, Mar 7

11:53 am - 9:05 amPDX-POA

40h 12m2 stops

8:10 pm - 7:35 pmPOA-PDX

52h 25m2 stops

$1,444LATAM Airlines

Find Deal

Thu, Nov 27 - Sat, Nov 29

7:00 am - 4:20 pmPDX-POA

28h 20m2 stops

3:45 pm - 12:15 pmPOA-PDX

25h 30m3 stops

$1,789United Airlines

Find Deal

Tue, Mar 3 - Sat, Mar 7

7:00 am - 2:20 pmPDX-POA

26h 20m2 stops

4:55 pm - 12:15 pmPOA-PDX

24h 20m3 stops

$2,024United Airlines

Find Deal

Tue, Mar 3 - Sat, Mar 7

6:29 am - 5:00 pmPDX-POA

29h 31m2 stops

4:40 am - 12:49 pmPOA-PDX

37h 09m2 stops

$2,096LATAM Airlines

Find Deal

Thu, Nov 27 - Fri, Nov 28

7:25 am - 5:00 pmSEA-POA

28h 35m2 stops

4:40 am - 10:07 amPOA-SEA

34h 27m2 stops

$2,171LATAM Airlines

Find Deal

Fri, Dec 19 - Sun, Jan 4

12:43 pm - 4:30 pmSEA-POA

46h 47m2 stops

9:20 pm - 1:04 pmPOA-SEA

44h 44m2 stops

$2,584GOL

Find Deal

Fri, Dec 19 - Mon, Jan 5

9:00 am - 11:35 amSEA-POA

21h 35m2 stops

6:40 am - 10:40 amPOA-SEA

33h 00m2 stops

$2,620Multiple Airlines

Find Deal

Thu, Dec 18 - Sat, Jan 3

LATAM Airlines flights from State of Washington to Porto Alegre

Our best LATAM Airlines deals on State of Washington to Porto Alegre flight tickets

LATAM Airlines

Mar 24

SEA6:00 amSeattle/Tacoma Intl

31h 00m

2 stops

POA5:00 pmPorto Alegre Salgado Filho

Mar 26

POA5:55 pmPorto Alegre Salgado Filho

23h 05m

2 stops

SEA1:00 pmSeattle/Tacoma Intl

$1,091

Find similar

LATAM Airlines

Mar 24

SEA9:30 amSeattle/Tacoma Intl

27h 30m

2 stops

POA5:00 pmPorto Alegre Salgado Filho

Mar 26

POA5:55 pmPorto Alegre Salgado Filho

23h 05m

2 stops

SEA1:00 pmSeattle/Tacoma Intl

$1,092

Find similar

LATAM Airlines

Nov 27

PDX11:53 amPortland

40h 12m

2 stops

POA9:05 amPorto Alegre Salgado Filho

Nov 29

POA8:10 pmPorto Alegre Salgado Filho

52h 25m

2 stops

PDX7:35 pmPortland

$1,444

Find similar

Delta flights from State of Washington to Porto Alegre

Our best Delta deals on State of Washington to Porto Alegre flight tickets

Delta

Nov 16

SEA6:00 amSeattle/Tacoma Intl

19h 30m

2 stops

POA6:30 amPorto Alegre Salgado Filho

Dec 2

POA6:40 amPorto Alegre Salgado Filho

34h 59m

2 stops

SEA12:39 pmSeattle/Tacoma Intl

$899

Find similar

Delta

Mar 3

PDX9:45 pmPortland

27h 45m

2 stops

POA6:30 amPorto Alegre Salgado Filho

Mar 7

POA7:45 amPorto Alegre Salgado Filho

39h 44m

2 stops

PDX6:29 pmPortland

$1,110

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momondo Fare Finder

Use the filters below to find and compare flights from Washington to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Tue 3/24

6:00 am-5:00 pm

2 stops31h 00m

Porto Alegre Salgado Filho

Thu 3/26

5:55 pm-1:00 pm

2 stops23h 05m

$1,091

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Tue 3/24

9:30 am-5:00 pm

2 stops27h 30m

Porto Alegre Salgado Filho

Thu 3/26

5:55 pm-1:00 pm

2 stops23h 05m

$1,092

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Tue 3/3

9:45 pm-6:30 am

2 stops27h 45m

Porto Alegre Salgado Filho

Sat 3/7

7:45 am-10:24 pm

2 stops19h 39m

$1,110

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Thu 11/27

11:53 am-9:05 am

2 stops40h 12m

Porto Alegre Salgado Filho

Sat 11/29

8:10 pm-7:35 pm

2 stops52h 25m

$1,444

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Tue 3/3

7:00 am-4:20 pm

2 stops28h 20m

Porto Alegre Salgado Filho

Sat 3/7

3:45 pm-12:15 pm

3 stops25h 30m

$1,789

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Tue 3/3

7:00 am-2:20 pm

2 stops26h 20m

Porto Alegre Salgado Filho

Sat 3/7

4:55 pm-12:15 pm

3 stops24h 20m

$2,024

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Thu 11/27

6:29 am-5:00 pm

2 stops29h 31m

Porto Alegre Salgado Filho

Fri 11/28

4:40 am-12:49 pm

2 stops37h 09m

$2,096

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Fri 12/19

7:25 am-5:00 pm

2 stops28h 35m

Porto Alegre Salgado Filho

Sun 1/4

4:40 am-10:07 am

2 stops34h 27m

$2,171

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Fri 12/19

12:43 pm-4:30 pm

2 stops46h 47m

Porto Alegre Salgado Filho

Mon 1/5

9:20 pm-1:04 pm

2 stops44h 44m

$2,584

SeattlePorto Alegre

SEA - POA

SEAPOA

Seattle/Tacoma Intl

Thu 12/18

9:00 am-11:35 am

2 stops21h 35m

Porto Alegre Salgado Filho

Sat 1/3

6:40 am-10:40 am

2 stops33h 00m

$2,620

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How to get the cheapest flight ticket from State of Washington to Porto Alegre

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

Prices

Airlines

What is the cheapest day to depart on your flight to Porto Alegre?

Our data shows that Thursday is the least expensive day to fly to Porto Alegre. Tickets to fly out on this day can be as low as $858. On the other hand, Saturday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,654.

What is the cheapest time of day to depart on your flight to Porto Alegre?

Our most recent data shows that the best time of day to fly to Porto Alegre is in the evening. Flights from State of Washington to Porto Alegre during this time can be as low as $869. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,038 on average. Flights to Porto Alegre from State of Washington in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap State of Washington to Porto Alegre flight deals and tips

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

Direct flights	None

There are no direct flights from State of Washington to Porto Alegre. There are no popular flight routes from State of Washington to Porto Alegre.

Search flight deals

When did momondo last update prices for flights from Washington to Porto Alegre Salgado Filho Airport?
Prices for flights from Washington to Porto Alegre Salgado Filho Airport are updated daily.
How old do you have to be to fly from Washington to Porto Alegre Salgado Filho Airport?
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 Washington to Porto Alegre Salgado Filho Airport.
What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?
The travel and health documents you'll need for your trip to Porto Alegre Salgado Filho Airport 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 Porto Alegre Salgado Filho Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Porto Alegre?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Porto Alegre. momondo saves you time and could save you money on your trip.

Can I find flights from Washington to Porto Alegre with flexible booking policies on momondo?

Yes. All flights to Porto Alegre from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington to Porto Alegre?

momondo provides multiple filters to help you find the best flight to Porto Alegre from Washington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Washington to Porto Alegre flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Washington to Porto Alegre from $421

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 Porto Alegre departing on 11/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

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Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington to Porto Alegre

Cheap round-trip flights

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LATAM Airlines flights from State of Washington to Porto Alegre

Our best LATAM Airlines deals on State of Washington to Porto Alegre flight tickets

Delta flights from State of Washington to Porto Alegre

Our best Delta deals on State of Washington to Porto Alegre flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Porto Alegre that are best for you.

See travel insights to Porto Alegre from

How to get the cheapest flight ticket from State of Washington to Porto Alegre

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 day to depart on your flight to Porto Alegre?

What is the cheapest time of day to depart on your flight to Porto Alegre?

What is the cheapest airline that flies from Washington to Porto Alegre Salgado Filho?

Delta and LATAM Airlines are the most popular carriers operating from Washington to Porto Alegre Salgado Filho

Cheap State of Washington to Porto Alegre flight deals and tips

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

Direct flights

When did momondo last update prices for flights from Washington to Porto Alegre Salgado Filho Airport?

How old do you have to be to fly from Washington to Porto Alegre Salgado Filho Airport?

What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Porto Alegre?

Can I find flights from Washington to Porto Alegre with flexible booking policies on momondo?

How can momondo help me find flights from Washington to Porto Alegre?

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

An easier way to manage your Porto Alegre 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Brazil

Airports servicing Rio Grande do Sul