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.

$390 CHEAP FLIGHTS from District of Columbia to Porto Alegre

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

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, Nov 2 - Sun, Nov 8

3:37 pm - 12:25 amIAD Washington, D.C. Dulles Intl-POA Porto Alegre Salgado Filho

30h 48m1 stop Panama City Tocumen Intl

1:30 am - 3:15 amPOA Porto Alegre Salgado Filho-IAD Washington, D.C. Dulles Intl

27h 45m1 stop Panama City Tocumen Intl

$810Copa Airlines

Mon, Sep 14 - Sun, Sep 27

2:25 am - 12:20 amIAD Washington, D.C. Dulles Intl-POA Porto Alegre Salgado Filho

20h 55m1 stop Panama City Tocumen Intl

1:20 am - 3:04 pmPOA Porto Alegre Salgado Filho-IAD Washington, D.C. Dulles Intl

14h 44m1 stop Panama City Tocumen Intl

$830Copa Airlines

Wed, Nov 4 - Mon, Nov 9

6:32 pm - 5:15 pmIAD Washington, D.C. Dulles Intl-POA Porto Alegre Salgado Filho

20h 43m2 stops New York John F Kennedy Intl Sao Paulo Guarulhos Intl

5:40 pm - 11:35 amPOA Porto Alegre Salgado Filho-IAD Washington, D.C. Dulles Intl

19h 55m2 stops Santiago Arturo Merino Benitez Atlanta Hartsfield-Jackson

$839LATAM Airlines

Mon, Nov 2 - Mon, Nov 9

2:35 pm - 11:00 amIAD Washington, D.C. Dulles Intl-POA Porto Alegre Salgado Filho

18h 25m2 stops Bogotá El Dorado Sao Paulo Guarulhos Intl

5:15 am - 4:30 amPOA Porto Alegre Salgado Filho-IAD Washington, D.C. Dulles Intl

25h 15m2 stops Rio de Janeiro–Galeão Intl Bogotá El Dorado

$906GOL

Tue, Sep 15 - Mon, Sep 28

12:25 pm - 7:20 pmIAD Washington, D.C. Dulles Intl-POA Porto Alegre Salgado Filho

29h 55m2 stops New York John F Kennedy Intl Sao Paulo Guarulhos Intl

11:30 am - 2:15 pmPOA Porto Alegre Salgado Filho-IAD Washington, D.C. Dulles Intl

27h 45m2 stops Sao Paulo Guarulhos Intl Bogotá El Dorado

$919Multiple Airlines

Tue, Nov 3 - Mon, Nov 9

9:55 am - 4:30 pmIAD Washington, D.C. Dulles Intl-POA Porto Alegre Salgado Filho

28h 35m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl

5:10 pm - 8:23 pmPOA Porto Alegre Salgado Filho-IAD Washington, D.C. Dulles Intl

29h 13m2 stops Sao Paulo Guarulhos Intl Montreal Pierre Elliott Trudeau Intl

$949Air Canada

Wed, Oct 28 - Sun, Nov 1

6:32 pm - 7:15 pmIAD Washington, D.C. Dulles Intl-POA Porto Alegre Salgado Filho

23h 43m2 stops New York John F Kennedy Intl Sao Paulo Guarulhos Intl

5:40 pm - 11:50 amPOA Porto Alegre Salgado Filho-IAD Washington, D.C. Dulles Intl

20h 10m2 stops Santiago Arturo Merino Benitez New York John F Kennedy Intl

$986LATAM Airlines

Wed, Oct 28 - Sun, Nov 1

12:29 pm - 5:15 pmIAD Washington, D.C. Dulles Intl-POA Porto Alegre Salgado Filho

27h 46m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl

5:40 pm - 8:14 pmPOA Porto Alegre Salgado Filho-IAD Washington, D.C. Dulles Intl

28h 34m2 stops Santiago Arturo Merino Benitez Atlanta Hartsfield-Jackson

$986LATAM Airlines

Sun, Nov 1 - Mon, Nov 9

6:32 pm - 3:20 pmIAD Washington, D.C. Dulles Intl-POA Porto Alegre Salgado Filho

18h 48m2 stops New York John F Kennedy Intl Sao Paulo Guarulhos Intl

8:05 pm - 11:35 amPOA Porto Alegre Salgado Filho-IAD Washington, D.C. Dulles Intl

17h 30m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson

$989LATAM Airlines

Tue, Dec 15 - Thu, Dec 31

6:20 pm - 9:30 pmIAD Washington, D.C. Dulles Intl-POA Porto Alegre Salgado Filho

25h 10m2 stops New York John F Kennedy Intl Sao Paulo Guarulhos Intl

10:45 am - 4:45 pmPOA Porto Alegre Salgado Filho-IAD Washington, D.C. Dulles Intl

32h 00m2 stops Sao Paulo Guarulhos Intl New York John F Kennedy Intl

$989LATAM Airlines

Useful Info

Low season	September
High season	December
Cheapest flight	$390

Best time to beat the crowds with an average 51% drop in price.

Most popular time to fly with an average 30% 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

$390 Find Cheap Flights from District of Columbia to Porto Alegre - Compare and Save

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

Low season

High season

Cheapest flight

FAQs for booking flights from District of Columbia to Porto Alegre

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