What is the cheapest airline that flies from Washington, D.C. to Porto Alegre Salgado Filho?

Copa Airlines, Delta, and United Airlines are the most popular carriers operating from Washington, D.C. to Porto Alegre Salgado Filho

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 March 2026.

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.

$315 Cheap Flights from Washington, D.C. to Porto Alegre in 2026

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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

Enter your travel dates to find the best prices.

2:21 am - 12:20 am

IAD

POA

20h 59m

1 stop

1:20 am - 12:33 am

POA

IAD

24h 13m

1 stop

$549Copa Airlines

Mon, May 11 - Tue, May 26

10:35 pm - 4:20 pm

IAD

POA

16h 45m

1 stop

3:25 pm - 2:03 pm

POA

IAD

23h 38m

2 stops

$566United Airlines

Tue, Sep 15 - Mon, Sep 28

9:35 am - 12:20 am

IAD

POA

13h 45m

1 stop

1:20 am - 3:04 pm

POA

IAD

14h 44m

1 stop

$644Copa Airlines

Tue, Sep 15 - Sun, Sep 27

12:30 pm - 5:00 pm

IAD

POA

27h 30m

2 stops

7:25 am - 12:10 am

POA

IAD

17h 45m

2 stops

$688LATAM Airlines

Tue, Sep 15 - Mon, Sep 28

2:46 pm - 11:55 pm

IAD

POA

32h 09m

2 stops

2:00 pm - 2:00 pm

POA

IAD

25h 00m

2 stops

$704GOL

Fri, Sep 11 - Fri, Sep 25

2:25 am - 12:20 am

IAD

POA

20h 55m

1 stop

1:20 am - 3:04 pm

POA

IAD

14h 44m

1 stop

$706Copa Airlines

Mon, Sep 14 - Sun, Sep 27

4:00 pm - 7:20 pm

IAD

POA

26h 20m

2 stops

7:25 am - 12:10 am

POA

IAD

17h 45m

2 stops

$738LATAM Airlines

Tue, Sep 15 - Mon, Sep 28

6:00 am - 9:15 am

IAD

POA

26h 15m

2 stops

7:05 pm - 7:16 pm

POA

IAD

25h 11m

2 stops

$758LATAM Airlines

Fri, Sep 11 - Fri, Sep 25

6:00 am - 9:15 am

IAD

POA

26h 15m

2 stops

6:40 am - 11:51 am

POA

IAD

30h 11m

2 stops

$760LATAM Airlines

Fri, Sep 11 - Fri, Sep 25

5:31 pm - 6:15 am

IAD

POA

35h 44m

2 stops

5:50 pm - 12:23 pm

POA

IAD

19h 33m

2 stops

$761LATAM Airlines

Tue, May 12 - Wed, May 27

Azul flights from Washington, D.C. to Porto Alegre

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

Azul

Jun 16

IAD3:37 pmWashington, D.C. Dulles Intl

25h 13m

2 stops

POA5:50 pmPorto Alegre Salgado Filho

Jul 13

POA3:15 pmPorto Alegre Salgado Filho

20h 59m

2 stops

IAD11:14 amWashington, D.C. Dulles Intl

$961

Azul

Aug 3

IAD5:38 pmWashington, D.C. Dulles Intl

21h 42m

2 stops

POA4:20 pmPorto Alegre Salgado Filho

Sep 3

POA3:25 pmPorto Alegre Salgado Filho

16h 00m

1 stop

IAD6:25 amWashington, D.C. Dulles Intl

$1,103

Azul

Jun 1

IAD12:35 pmWashington, D.C. Dulles Intl

24h 55m

2 stops

POA2:30 pmPorto Alegre Salgado Filho

Jun 10

POA2:25 pmPorto Alegre Salgado Filho

25h 24m

2 stops

IAD2:49 pmWashington, D.C. Dulles Intl

$1,270

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

Sep 15

IAD10:35 pmWashington, D.C. Dulles Intl

16h 45m

1 stop

POA4:20 pmPorto Alegre Salgado Filho

Sep 28

POA3:25 pmPorto Alegre Salgado Filho

23h 38m

2 stops

IAD2:03 pmWashington, D.C. Dulles Intl

$566

United Airlines

Sep 15

IAD10:35 pmWashington, D.C. Dulles Intl

16h 45m

1 stop

POA4:20 pmPorto Alegre Salgado Filho

Sep 28

POA3:25 pmPorto Alegre Salgado Filho

21h 18m

2 stops

IAD11:43 amWashington, D.C. Dulles Intl

$778

United Airlines

Sep 15

IAD10:35 pmWashington, D.C. Dulles Intl

16h 45m

1 stop

POA4:20 pmPorto Alegre Salgado Filho

Sep 28

POA5:10 pmPorto Alegre Salgado Filho

14h 15m

1 stop

IAD6:25 amWashington, D.C. Dulles Intl

$875

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

Cheapest round-trip

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 5/11

2:21 am-12:20 am

1 stop20h 59m

Porto Alegre Salgado Filho

Tue 5/26

1:20 am-12:33 am

1 stop24h 13m

$549

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Tue 9/15

10:35 pm-4:20 pm

1 stop16h 45m

Porto Alegre Salgado Filho

Mon 9/28

3:25 pm-2:03 pm

2 stops23h 38m

$566

Quickest round-trip

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Tue 9/15

9:35 am-12:20 am

1 stop13h 45m

Porto Alegre Salgado Filho

Sun 9/27

1:20 am-3:04 pm

1 stop14h 44m

$644

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Tue 9/15

12:30 pm-5:00 pm

2 stops27h 30m

Porto Alegre Salgado Filho

Mon 9/28

7:25 am-12:10 am

2 stops17h 45m

$688

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Fri 9/11

2:46 pm-11:55 pm

2 stops32h 09m

Porto Alegre Salgado Filho

Fri 9/25

2:00 pm-2:00 pm

2 stops25h 00m

$704

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 9/14

2:25 am-12:20 am

1 stop20h 55m

Porto Alegre Salgado Filho

Sun 9/27

1:20 am-3:04 pm

1 stop14h 44m

$706

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Tue 9/15

4:00 pm-7:20 pm

2 stops26h 20m

Porto Alegre Salgado Filho

Mon 9/28

7:25 am-12:10 am

2 stops17h 45m

$738

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Fri 9/11

6:00 am-9:15 am

2 stops26h 15m

Porto Alegre Salgado Filho

Fri 9/25

7:05 pm-7:16 pm

2 stops25h 11m

$758

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Fri 9/11

6:00 am-9:15 am

2 stops26h 15m

Porto Alegre Salgado Filho

Fri 9/25

6:40 am-11:51 am

2 stops30h 11m

$760

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Tue 5/12

5:31 pm-6:15 am

2 stops35h 44m

Porto Alegre Salgado Filho

Wed 5/27

5:50 pm-12:23 pm

2 stops19h 33m

$761

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted 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

Prices

Airlines

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

You could potentially save up to 15% 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

Fastest flight time	16h 50m
Direct flights	None

The fastest flight from Washington, D.C. to Porto Alegre takes 16h 50m

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 16h 50m.
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 March 2026.
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 (54% of total bookings). The next most popular airline is United Airlines (46%).

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 7.5 1,575 reviews		Search Copa Airlines flights

Why use momondo?

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 $315

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, D.C. to Porto Alegre departing on 4/6. 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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Azul flights from Washington, D.C. to Porto Alegre

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

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

What is the cheapest airline that flies from Washington, D.C. to Porto Alegre Salgado Filho?

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

Fastest flight time

Direct flights

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?

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

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Fly your favorite airline to Porto Alegre

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List of cabin classes available on flights landing in Porto Alegre. Availability may vary depending on flight origin and airline.

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