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

$530

Copa Airlines

Mon 3/23Sat 3/28

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

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

Mon, Mar 23 - Sat, Mar 28

2:18 am - 12:25 am

IAD

POA

21h 07m

1 stop

1:25 am - 3:02 pm

POA

IAD

14h 37m

1 stop

$530Copa Airlines

Sun, Mar 15 - Thu, Mar 19

11:30 pm - 2:25 pm

IAD

POA

13h 55m

1 stop

2:05 pm - 6:40 am

POA

IAD

17h 35m

1 stop

$606United Airlines

Sun, Mar 15 - Thu, Mar 19

11:30 pm - 2:25 pm

IAD

POA

13h 55m

1 stop

2:05 pm - 11:59 pm

POA

IAD

34h 54m

2 stops

$623United Airlines

Sun, Mar 15 - Thu, Mar 19

6:00 am - 4:25 pm

IAD

POA

33h 25m

2 stops

2:05 pm - 11:59 pm

POA

IAD

34h 54m

2 stops

$636United Airlines

Sat, Apr 4 - Sat, Apr 18

6:50 am - 8:05 am

IAD

POA

24h 15m

2 stops

9:55 pm - 5:20 am

POA

IAD

32h 25m

2 stops

$689Multiple Airlines

Wed, Mar 25 - Wed, Apr 1

7:29 pm - 5:05 pm

IAD

POA

20h 36m

2 stops

2:25 pm - 12:39 pm

POA

IAD

23h 14m

2 stops

$693LATAM Airlines

Sun, Mar 22 - Sat, Mar 28

3:35 pm - 5:00 pm

IAD

POA

24h 25m

2 stops

6:40 am - 9:10 am

POA

IAD

27h 30m

2 stops

$732LATAM Airlines

Sat, Apr 4 - Sat, Apr 18

6:50 am - 8:05 am

IAD

POA

24h 15m

2 stops

7:35 pm - 5:20 am

POA

IAD

34h 45m

3 stops

$758Multiple Airlines

Thu, Mar 26 - Wed, Apr 1

9:55 am - 4:30 pm

IAD

POA

29h 35m

2 stops

1:35 am - 12:34 am

POA

IAD

23h 59m

1 stop

$774Multiple Airlines

Sat, Mar 21 - Fri, Mar 27

5:25 pm - 3:20 pm

IAD

POA

20h 55m

2 stops

4:40 am - 12:27 am

POA

IAD

20h 47m

2 stops

$795LATAM Airlines

Useful Info

Low season	September
High season	December
Cheapest flight	$240

Best time to beat the crowds with an average 34% drop in price.

Most popular time to fly with an average 74% 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

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