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

Prices for flights from Washington, D.C. to Porto Alegre Salgado Filho Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. to Porto Alegre Salgado Filho Airport?

The number of operators available for flights from Washington, D.C. to Porto Alegre Salgado Filho Airport is 1 as of September 2025.

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

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, D.C. 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 required for your trip to Porto Alegre Salgado Filho Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Alegre Salgado Filho Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$487 Cheap Flights from Washington, D.C. to Porto Alegre in 2025/26

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Find the cheapest flights from Washington, D.C. to Porto Alegre

Round-trip

One-way

Last minute

Cheap round-trip flights

9:34 am - 12:20 amIAD-POA

13h 46m1 stop

1:35 am - 11:33 pmPOA-IAD

23h 58m1 stop

$487Copa Airlines

Find Deal

mié., oct. 29 - mar., nov. 4

10:35 pm - 4:10 pmIAD-POA

16h 35m1 stop

5:10 pm - 6:35 amPOA-IAD

15h 25m1 stop

$581United Airlines

Find Deal

lun., oct. 13 - lun., nov. 3

10:35 pm - 10:45 amIAD-POA

35h 10m1 stop

5:10 pm - 5:30 pmPOA-IAD

26h 20m2 stops

$591United Airlines

Find Deal

lun., oct. 13 - lun., nov. 3

2:25 am - 12:20 amIAD-POA

20h 55m1 stop

1:35 am - 11:33 pmPOA-IAD

23h 58m1 stop

$597Copa Airlines

Find Deal

mar., oct. 28 - mar., nov. 4

9:34 am - 12:20 amIAD-POA

13h 46m1 stop

6:40 am - 11:33 pmPOA-IAD

18h 53m2 stops

$653

Find Deal

mié., oct. 29 - mié., nov. 5

3:35 pm - 6:20 pmIAD-POA

25h 45m2 stops

9:05 pm - 3:10 amPOA-IAD

32h 05m3 stops

$662

Find Deal

mié., oct. 29 - mié., nov. 5

1:00 pm - 1:15 pmIAD-POA

22h 15m2 stops

6:40 am - 2:51 pmPOA-IAD

34h 11m2 stops

$788LATAM Airlines

Find Deal

mié., feb. 11 - mié., feb. 18

3:35 pm - 11:50 pmIAD-POA

31h 15m2 stops

5:10 am - 1:15 pmPOA-IAD

34h 05m2 stops

$883GOL

Find Deal

lun., oct. 27 - lun., nov. 10

9:24 am - 1:25 pmIAD-POA

27h 01m3 stops

5:55 pm - 5:04 pmPOA-IAD

24h 09m2 stops

$1,058American Airlines

Find Deal

jue., oct. 9 - jue., oct. 30

5:59 pm - 6:30 amIAD-POA

34h 31m2 stops

6:00 pm - 4:49 pmPOA-IAD

24h 49m2 stops

$1,293LATAM Airlines

Find Deal

jue., dic. 11 - sáb., dic. 20

United Airlines flights from Washington, D.C. to Porto Alegre

Our best United Airlines deals on Washington, D.C. to Porto Alegre flight tickets

United Airlines

Oct 13

IAD10:35 pmWashington, D.C. Dulles Intl

16h 35m

1 stop

POA4:10 pmPorto Alegre Salgado Filho

Nov 3

POA5:10 pmPorto Alegre Salgado Filho

15h 25m

1 stop

IAD6:35 amWashington, D.C. Dulles Intl

$581

Find similar

United Airlines

Oct 13

IAD10:35 pmWashington, D.C. Dulles Intl

35h 10m

1 stop

POA10:45 amPorto Alegre Salgado Filho

Nov 3

POA5:10 pmPorto Alegre Salgado Filho

26h 20m

2 stops

IAD5:30 pmWashington, D.C. Dulles Intl

$591

Find similar

United Airlines

Mar 10

IAD1:05 pmWashington, D.C. Dulles Intl

24h 30m

2 stops

POA2:35 pmPorto Alegre Salgado Filho

Mar 17

POA5:10 pmPorto Alegre Salgado Filho

19h 33m

2 stops

IAD11:43 amWashington, D.C. Dulles Intl

$617

Find similar

Copa Airlines flights from Washington, D.C. to Porto Alegre

Our best Copa Airlines deals on Washington, D.C. to Porto Alegre flight tickets

Copa Airlines

Oct 29

IAD9:34 amWashington, D.C. Dulles Intl

13h 46m

1 stop

POA12:20 amPorto Alegre Salgado Filho

Nov 4

POA1:35 amPorto Alegre Salgado Filho

23h 58m

1 stop

IAD11:33 pmWashington, D.C. Dulles Intl

$487

Find similar

Copa Airlines

Sep 22

IAD9:35 amWashington, D.C. Dulles Intl

13h 45m

1 stop

POA12:20 amPorto Alegre Salgado Filho

Sep 27

POA1:25 amPorto Alegre Salgado Filho

14h 40m

1 stop

IAD3:05 pmWashington, D.C. Dulles Intl

$506

Find similar

Copa Airlines

Oct 28

IAD2:25 amWashington, D.C. Dulles Intl

20h 55m

1 stop

POA12:20 amPorto Alegre Salgado Filho

Nov 4

POA1:35 amPorto Alegre Salgado Filho

23h 58m

1 stop

IAD11:33 pmWashington, D.C. Dulles Intl

$597

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

mié. 10/29

9:34 am-12:20 am

1 stop13h 46m

Porto Alegre Salgado Filho

mar. 11/4

1:35 am-11:33 pm

1 stop23h 58m

$487

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

lun. 10/13

10:35 pm-4:10 pm

1 stop16h 35m

Porto Alegre Salgado Filho

lun. 11/3

5:10 pm-6:35 am

1 stop15h 25m

$581

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

lun. 10/13

10:35 pm-10:45 am

1 stop35h 10m

Porto Alegre Salgado Filho

lun. 11/3

5:10 pm-5:30 pm

2 stops26h 20m

$591

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

mar. 10/28

2:25 am-12:20 am

1 stop20h 55m

Porto Alegre Salgado Filho

mar. 11/4

1:35 am-11:33 pm

1 stop23h 58m

$597

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

mié. 10/29

9:34 am-12:20 am

1 stop13h 46m

Porto Alegre Salgado Filho

mié. 11/5

6:40 am-11:33 pm

2 stops18h 53m

$653

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

mié. 10/29

3:35 pm-6:20 pm

2 stops25h 45m

Porto Alegre Salgado Filho

mié. 11/5

9:05 pm-3:10 am

3 stops32h 05m

$662

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

mié. 2/11

1:00 pm-1:15 pm

2 stops22h 15m

Porto Alegre Salgado Filho

mié. 2/18

6:40 am-2:51 pm

2 stops34h 11m

$788

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

lun. 10/27

3:35 pm-11:50 pm

2 stops31h 15m

Porto Alegre Salgado Filho

lun. 11/10

5:10 am-1:15 pm

2 stops34h 05m

$883

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

jue. 10/9

9:24 am-1:25 pm

3 stops27h 01m

Porto Alegre Salgado Filho

jue. 10/30

5:55 pm-5:04 pm

2 stops24h 09m

$1,058

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

jue. 12/11

5:59 pm-6:30 am

2 stops34h 31m

Porto Alegre Salgado Filho

sáb. 12/20

6:00 pm-4:49 pm

2 stops24h 49m

$1,293

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. 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 month to fly to Porto Alegre?

The cheapest month to fly to Porto Alegre from Washington, D.C. is in October. Flight prices, which tend to average around $465, are often lower during this time because this is during the off-season. If you’re not able to fly to Porto Alegre in October, then May is your next best option. Flight prices from Washington, D.C. to Porto Alegre during May average around $555.

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

Our data shows that Sunday is the least expensive day to fly to Porto Alegre. Tickets to fly out on this day can be as low as $891. On the other hand, Wednesday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,357.

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 afternoon. Flights from Washington, D.C. to Porto Alegre during this time can be as low as $1,173. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,350 on average. Flights to Porto Alegre from Washington, D.C. at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Washington, D.C. to Porto Alegre flights?

You could potentially save up to 30% on your flight if you consider stops on a Washington, D.C. to Porto Alegre flight.

When to book flights from Washington, D.C. to Porto Alegre

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Porto Alegre according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Porto Alegre (WAS to POA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Porto Alegre

Direct flights	None

There are no direct flights from Washington, D.C. to Porto Alegre. There are no popular flight routes from Washington, D.C. to Porto Alegre.

Search flight deals

How far is Washington, D.C. to Porto Alegre Salgado Filho by plane?
The straight-line distance from Washington, D.C. to Porto Alegre Salgado Filho is 5041.2 mi. By plane, this route typically takes 13h 46m.
When did momondo last update prices for flights from Washington, D.C. to Porto Alegre Salgado Filho Airport?
Prices for flights from Washington, D.C. to Porto Alegre Salgado Filho Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Porto Alegre Salgado Filho Airport?
The number of operators available for flights from Washington, D.C. to Porto Alegre Salgado Filho Airport is 1 as of September 2025.
How old do you have to be to fly from Washington, D.C. to Porto Alegre Salgado Filho Airport?
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, D.C. 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 required for your trip to Porto Alegre Salgado Filho Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Alegre Salgado Filho Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Washington, D.C. to Porto Alegre?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Porto Alegre is Copa Airlines (100% of total bookings).

Best airlines flying from Washington, D.C. to Porto Alegre

Compare and see reviews for airlines that fly from Washington, D.C. to Porto Alegre with momondo

Airline	Rating	Free Cancellation	Price
Copa Airlines	PriceFrom $428	Free Cancellation	Rating 7.6 1,531 reviews		Search Copa Airlines flights
LATAM Airlines	PriceFrom $798	Free Cancellation	Rating 7.5 1,847 reviews		Search LATAM Airlines flights

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Why should I use momondo to find a flight deal from Washington, D.C. to Porto Alegre?

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

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

Yes. momondo enables you to select and highlight flights to Porto Alegre from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Porto Alegre?

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 Porto Alegre from Washington, D.C..

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

If you are not ready to book a flight from Washington, D.C. to Porto Alegre now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Porto Alegre and let you know when they change.

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Cheap flights from Washington, D.C. to Porto Alegre from $487

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Find the cheapest flights from Washington, D.C. to Porto Alegre

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United Airlines flights from Washington, D.C. to Porto Alegre

Our best United Airlines deals on Washington, D.C. to Porto Alegre flight tickets

Copa Airlines flights from Washington, D.C. to Porto Alegre

Our best Copa Airlines deals on Washington, D.C. to Porto Alegre flight tickets

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See travel insights to Porto Alegre from

How to get the cheapest flight ticket from Washington, D.C. 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 month to fly to Porto Alegre?

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?

Can stopping save me money on Washington, D.C. to Porto Alegre flights?

You could potentially save up to 30% on your flight if you consider stops on a Washington, D.C. to Porto Alegre flight.

When to book flights from Washington, D.C. to Porto Alegre

Cheap Washington, D.C. to Porto Alegre (WAS to POA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Porto Alegre

Direct flights

How far is Washington, D.C. to Porto Alegre Salgado Filho by plane?

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

How many operators does momondo search for flights from Washington, D.C. to Porto Alegre Salgado Filho Airport?

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

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

What is the most popular airline from Washington, D.C. to Porto Alegre?

Best airlines flying from Washington, D.C. to Porto Alegre

Compare and see reviews for airlines that fly from Washington, D.C. to Porto Alegre with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Porto Alegre?

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

How can momondo help me find flights from Washington, D.C. to Porto Alegre?

I’m not ready to book a flight from Washington, D.C. 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