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Cheap flights from Porto Alegre to Washington, D.C. from $427

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto Alegre to Washington, D.C. departing on 9/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:55 pm - 5:20 am
POA
-
IAD
33h 25m
2 stops
Multiple Airlines Logo
3:35 pm - 9:45 am
IAD
-
POA
17h 10m
2 stops
$816Multiple Airlines
Mon, Aug 10 - Thu, Aug 20
Multiple Airlines Logo
8:55 pm - 5:20 am
POA
-
IAD
33h 25m
2 stops
Multiple Airlines Logo
3:35 pm - 8:35 am
IAD
-
POA
16h 00m
2 stops
$840Multiple Airlines
Mon, Aug 17 - Fri, Aug 28
Multiple Airlines Logo
8:55 pm - 2:45 am
POA
-
IAD
30h 50m
3 stops
Multiple Airlines Logo
3:35 pm - 4:10 pm
IAD
-
POA
23h 35m
2 stops
$855Multiple Airlines
Mon, Aug 17 - Fri, Aug 28
GOL Logo
5:30 pm - 5:20 am
POA
-
IAD
36h 50m
2 stops
GOL Logo
3:35 pm - 3:40 pm
IAD
-
POA
23h 05m
2 stops
$856GOL
Thu, Sep 10 - Thu, Sep 24
GOL Logo
5:10 am - 5:20 am
POA
-
IAD
25h 10m
2 stops
GOL Logo
6:50 am - 10:50 am
IAD
-
POA
27h 00m
2 stops
$857GOL
Sun, Sep 27 - Tue, Oct 6
GOL Logo
5:30 pm - 2:15 pm
POA
-
IAD
45h 45m
2 stops
GOL Logo
3:35 pm - 10:50 am
IAD
-
POA
18h 15m
2 stops
$861GOL
Thu, Sep 10 - Thu, Sep 24
Multiple Airlines Logo
5:30 am - 5:20 am
POA
-
IAD
24h 50m
2 stops
Multiple Airlines Logo
3:35 pm - 3:25 pm
IAD
-
POA
22h 50m
2 stops
$862Multiple Airlines
Sat, Aug 1 - Sat, Aug 8
GOL Logo
5:10 am - 5:20 am
POA
-
IAD
25h 10m
2 stops
GOL Logo
6:50 am - 10:50 am
IAD
-
POA
27h 00m
2 stops
$863GOL
Sun, Sep 27 - Tue, Oct 6
GOL Logo
5:30 pm - 2:15 pm
POA
-
IAD
45h 45m
2 stops
GOL Logo
3:35 pm - 10:50 am
IAD
-
POA
18h 15m
2 stops
$871GOL
Thu, Sep 10 - Thu, Sep 24
Multiple Airlines Logo
8:55 pm - 5:20 am
POA
-
IAD
33h 25m
2 stops
Multiple Airlines Logo
3:35 pm - 2:35 pm
IAD
-
POA
22h 00m
2 stops
$873Multiple Airlines
Mon, Aug 10 - Fri, Aug 21

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GOL flights from Porto Alegre to Washington, D.C. Dulles Intl Airport

Our best GOL deals on Porto Alegre to Washington, D.C. Dulles Intl Airport flight tickets
GOL
Sep 10
POA5:30 pmPorto Alegre Salgado Filho
36h 50m
2 stops
IAD5:20 amWashington, D.C. Dulles Intl
Sep 24
IAD3:35 pmWashington, D.C. Dulles Intl
23h 05m
2 stops
POA3:40 pmPorto Alegre Salgado Filho
$856
GOL
Sep 27
POA5:10 amPorto Alegre Salgado Filho
25h 10m
2 stops
IAD5:20 amWashington, D.C. Dulles Intl
Oct 6
IAD6:50 amWashington, D.C. Dulles Intl
27h 00m
2 stops
POA10:50 amPorto Alegre Salgado Filho
$857
GOL
Sep 10
POA5:30 pmPorto Alegre Salgado Filho
45h 45m
2 stops
IAD2:15 pmWashington, D.C. Dulles Intl
Sep 24
IAD3:35 pmWashington, D.C. Dulles Intl
18h 15m
2 stops
POA10:50 amPorto Alegre Salgado Filho
$861

Avianca flights from Porto Alegre to Washington, D.C. Dulles Intl Airport

Our best Avianca deals on Porto Alegre to Washington, D.C. Dulles Intl Airport flight tickets
Avianca
Sep 28
POA11:30 amPorto Alegre Salgado Filho
18h 50m
2 stops
IAD5:20 amWashington, D.C. Dulles Intl
Oct 2
IAD6:50 amWashington, D.C. Dulles Intl
27h 50m
2 stops
POA11:40 amPorto Alegre Salgado Filho
$1,057
Avianca
Sep 28
POA11:30 amPorto Alegre Salgado Filho
18h 50m
2 stops
IAD5:20 amWashington, D.C. Dulles Intl
Oct 2
IAD6:50 amWashington, D.C. Dulles Intl
27h 50m
2 stops
POA11:40 amPorto Alegre Salgado Filho
$1,067

momondo Fare Finder

 
Customize your flight search to find flights from Porto Alegre to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 19, 2026.
Use the filters below to find and compare flights from Porto Alegre to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Mon 8/10

8:55 pm-5:20 am

2 stops33h 25m

Washington, D.C. Dulles Intl

Thu 8/20

3:35 pm-9:45 am

2 stops17h 10m

$816

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Mon 8/17

8:55 pm-5:20 am

2 stops33h 25m

Washington, D.C. Dulles Intl

Fri 8/28

3:35 pm-8:35 am

2 stops16h 00m

$840

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Mon 8/17

8:55 pm-2:45 am

3 stops30h 50m

Washington, D.C. Dulles Intl

Fri 8/28

3:35 pm-4:10 pm

2 stops23h 35m

$855

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Thu 9/10

5:30 pm-5:20 am

2 stops36h 50m

Washington, D.C. Dulles Intl

Thu 9/24

3:35 pm-3:40 pm

2 stops23h 05m

$856

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Sun 9/27

5:10 am-5:20 am

2 stops25h 10m

Washington, D.C. Dulles Intl

Tue 10/6

6:50 am-10:50 am

2 stops27h 00m

$857

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Thu 9/10

5:30 pm-2:15 pm

2 stops45h 45m

Washington, D.C. Dulles Intl

Thu 9/24

3:35 pm-10:50 am

2 stops18h 15m

$861
Quickest round-trip

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Sat 8/1

5:30 am-5:20 am

2 stops24h 50m

Washington, D.C. Dulles Intl

Sat 8/8

3:35 pm-3:25 pm

2 stops22h 50m

$862

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Sun 9/27

5:10 am-5:20 am

2 stops25h 10m

Washington, D.C. Dulles Intl

Tue 10/6

6:50 am-10:50 am

2 stops27h 00m

$863

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Thu 9/10

5:30 pm-2:15 pm

2 stops45h 45m

Washington, D.C. Dulles Intl

Thu 9/24

3:35 pm-10:50 am

2 stops18h 15m

$871

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Mon 8/10

8:55 pm-5:20 am

2 stops33h 25m

Washington, D.C. Dulles Intl

Fri 8/21

3:35 pm-2:35 pm

2 stops22h 00m

$873

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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

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

You could potentially save up to 59% on your flight if you consider stops on a Porto Alegre to Washington, D.C. Dulles Intl Airport flight.

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

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

Cheap Porto Alegre to Washington, D.C. Dulles Intl Airport (POA to IAD) flight deals and tips

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

Fastest flight time

15h 05m

Direct flights

None
The fastest flight from Porto Alegre to Washington, D.C. Dulles Intl Airport takes 15h 05m
There are no direct flights from Porto Alegre to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Porto Alegre to Washington, D.C. Dulles Intl Airport.
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Frequently asked questions about flying from Porto Alegre to Washington, D.C. Dulles Intl Airport

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

    The straight-line distance from Porto Alegre Salgado Filho to Washington, D.C. Dulles Intl is 5052.8 mi. Flights usually cover this in 15h 05m, depending on flying conditions and air traffic around both airports.

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Porto Alegre Salgado Filho Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Washington, D.C.?

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Why use momondo?

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

It is quick and easy to find Porto Alegre to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

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

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

Once all potential Porto Alegre to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Porto Alegre to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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