How does KAYAK find such low prices on flights from District of Columbia to Porto Alegre?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to Porto Alegre. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Porto Alegre?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto Alegre from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from District of Columbia to Porto Alegre?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto Alegre with an airline and back to District of Columbia with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to Porto Alegre?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto Alegre from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$240 CHEAP FLIGHTS from District of Columbia to Porto Alegre

POA

KAYAK searches hundreds of travel sites at once for deals on flights to Porto Alegre

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$506

United Airlines

Mon 3/2Thu 3/12

IAD - POA • 1 stop

Cheapest one-way

$240

Copa Airlines

Wed 3/18

IAD - POA • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Porto Alegre!

Flight Deals

Cheap Flights from District of Columbia to Porto Alegre

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from District of Columbia to Porto Alegre

Mon, Mar 2 - Thu, Mar 12

10:30 pm - 2:10 pm

IAD

POA

13h 40m

1 stop

3:30 pm - 6:40 am

POA

IAD

16h 10m

1 stop

$506United Airlines

Mon, Mar 2 - Wed, Mar 11

6:03 am - 4:25 pm

IAD

POA

32h 22m

2 stops

5:10 pm - 11:49 am

POA

IAD

19h 39m

2 stops

$511United Airlines

Mon, Mar 2 - Wed, Mar 11

6:03 am - 4:25 pm

IAD

POA

32h 22m

2 stops

3:25 pm - 11:49 am

POA

IAD

21h 24m

2 stops

$512United Airlines

Tue, Mar 3 - Wed, Mar 11

3:35 pm - 12:25 am

IAD

POA

30h 50m

1 stop

1:30 am - 3:00 pm

POA

IAD

14h 30m

1 stop

$518Copa Airlines

Sun, Mar 1 - Thu, Mar 12

10:30 pm - 4:25 pm

IAD

POA

39h 55m

2 stops

3:30 pm - 6:40 am

POA

IAD

16h 10m

1 stop

$522United Airlines

Sun, Mar 1 - Wed, Mar 11

10:30 pm - 4:25 pm

IAD

POA

39h 55m

2 stops

3:25 pm - 11:49 am

POA

IAD

21h 24m

2 stops

$527United Airlines

Tue, Mar 31 - Mon, Apr 6

6:50 am - 8:45 am

IAD

POA

24h 55m

2 stops

8:45 pm - 5:20 am

POA

IAD

33h 35m

2 stops

$558Multiple Airlines

Tue, Mar 3 - Thu, Mar 12

2:35 pm - 5:50 pm

IAD

POA

25h 15m

2 stops

1:40 pm - 2:15 pm

POA

IAD

25h 35m

2 stops

$573GOL

Tue, Mar 31 - Mon, Apr 6

6:50 am - 8:45 am

IAD

POA

24h 55m

2 stops

7:40 pm - 5:20 am

POA

IAD

34h 40m

3 stops

$585Multiple Airlines

Tue, Mar 3 - Thu, Mar 12

2:35 pm - 5:50 pm

IAD

POA

25h 15m

2 stops

1:40 pm - 2:15 pm

POA

IAD

25h 35m

2 stops

$608GOL

Useful Info

Low season	February
High season	December
Cheapest flight	$240

Best time to beat the crowds with an average 6% drop in price.

Most popular time to fly with an average 75% increase in price.

Flight from Washington Dulles Airport to Porto Alegre

How does KAYAK find such low prices on flights from District of Columbia to Porto Alegre?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to Porto Alegre.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Porto Alegre?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto Alegre from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from District of Columbia to Porto Alegre?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto Alegre with an airline and back to District of Columbia with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to Porto Alegre?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto Alegre from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Porto Alegre

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Porto Alegre

Porto Alegre (POA)

POA

$240 Find Cheap Flights from District of Columbia to Porto Alegre

KAYAK searches hundreds of travel sites at once for deals on flights to Porto Alegre

Everything you should know

Cheap Flights from District of Columbia to Porto Alegre

Recent round-trip flight deals from District of Columbia to Porto Alegre

Recent one-way flight deals from District of Columbia to Porto Alegre

Recent last minute flight deals from District of Columbia to Porto Alegre

Good to know

FAQs for booking flights from District of Columbia to Porto Alegre

How does KAYAK find such low prices on flights from District of Columbia to Porto Alegre?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to Porto Alegre.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Porto Alegre?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto Alegre from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from District of Columbia to Porto Alegre?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto Alegre with an airline and back to District of Columbia with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to Porto Alegre?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto Alegre from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Porto Alegre

Information on the airport you'll fly into in Porto Alegre

Cabin class types available on flights to District of Columbia

Complete your trip to Porto Alegre with a hotel stay or car rental

Find direct flights for Porto Alegre

Flights to other popular destinations

Flights from domestic origins to Porto Alegre

Choose which airport to fly into in Porto Alegre

Find deals for your return flight