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Cheap flights from Porto Alegre to Washington, D.C. from $381

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 5/19. 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
0 bags
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
1:20 am - 4:21 am
POA
-
IAD
28h 01m
1 stop
Copa Airlines Logo
2:21 am - 12:20 am
IAD
-
POA
20h 59m
1 stop
$720Copa Airlines
Wed, Jun 10 - Fri, Jun 19
Copa Airlines Logo
1:20 am - 4:21 am
POA
-
IAD
28h 01m
1 stop
Copa Airlines Logo
2:21 am - 12:20 am
IAD
-
POA
20h 59m
1 stop
$721Copa Airlines
Mon, Jun 8 - Thu, Jun 18
Copa Airlines Logo
1:20 am - 4:21 am
POA
-
IAD
28h 01m
1 stop
Copa Airlines Logo
4:38 pm - 12:20 am
IAD
-
POA
30h 42m
1 stop
$755Copa Airlines
Mon, Jun 8 - Fri, Jun 19
Copa Airlines Logo
1:20 am - 3:05 pm
POA
-
IAD
14h 45m
1 stop
Copa Airlines Logo
6:25 am - 12:20 am
IAD
-
POA
16h 55m
1 stop
$771Copa Airlines
Sun, Jun 21 - Mon, Jun 29
Copa Airlines Logo
1:20 am - 3:05 pm
POA
-
IAD
14h 45m
1 stop
Copa Airlines Logo
6:25 am - 12:20 am
IAD
-
POA
16h 55m
1 stop
$783Copa Airlines
Mon, Jun 8 - Fri, Jun 19
Copa Airlines Logo
1:20 am - 12:33 am
POA
-
IAD
24h 13m
1 stop
Copa Airlines Logo
6:25 am - 12:20 am
IAD
-
POA
16h 55m
1 stop
$791Copa Airlines
Wed, Jun 10 - Sat, Jun 20
Copa Airlines Logo
1:20 am - 12:33 am
POA
-
IAD
24h 13m
1 stop
Copa Airlines Logo
2:21 am - 12:20 am
IAD
-
POA
20h 59m
1 stop
$801Copa Airlines
Wed, Jun 10 - Fri, Jun 19
Copa Airlines Logo
1:20 am - 3:04 pm
POA
-
IAD
14h 44m
1 stop
Copa Airlines Logo
9:35 am - 12:20 am
IAD
-
POA
13h 45m
1 stop
$803Copa Airlines
Mon, Oct 19 - Sat, Oct 24
Copa Airlines Logo
1:20 am - 4:20 am
POA
-
IAD
28h 00m
1 stop
Copa Airlines Logo
4:34 pm - 12:20 am
IAD
-
POA
30h 46m
1 stop
$825Copa Airlines
Sat, Sep 26 - Tue, Oct 6
Copa Airlines Logo
1:20 am - 3:05 pm
POA
-
IAD
14h 45m
1 stop
Copa Airlines Logo
2:21 am - 12:20 am
IAD
-
POA
20h 59m
1 stop
$836Copa Airlines
Wed, Jun 10 - Fri, Jun 19

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

Our best Copa Airlines deals on Porto Alegre to Washington, D.C. Dulles Intl Airport flight tickets
Copa Airlines
Jun 10
POA1:20 amPorto Alegre Salgado Filho
28h 01m
1 stop
IAD4:21 amWashington, D.C. Dulles Intl
Jun 19
IAD2:21 amWashington, D.C. Dulles Intl
20h 59m
1 stop
POA12:20 amPorto Alegre Salgado Filho
$720
Copa Airlines
Jun 8
POA1:20 amPorto Alegre Salgado Filho
28h 01m
1 stop
IAD4:21 amWashington, D.C. Dulles Intl
Jun 18
IAD2:21 amWashington, D.C. Dulles Intl
20h 59m
1 stop
POA12:20 amPorto Alegre Salgado Filho
$721
Copa Airlines
Jun 8
POA1:20 amPorto Alegre Salgado Filho
28h 01m
1 stop
IAD4:21 amWashington, D.C. Dulles Intl
Jun 19
IAD4:38 pmWashington, D.C. Dulles Intl
30h 42m
1 stop
POA12:20 amPorto Alegre Salgado Filho
$755

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 27
POA6:30 pmPorto Alegre Salgado Filho
20h 45m
2 stops
IAD2:15 pmWashington, D.C. Dulles Intl
Oct 6
IAD2:46 pmWashington, D.C. Dulles Intl
32h 09m
2 stops
POA11:55 pmPorto Alegre Salgado Filho
$928
GOL
Sep 27
POA11:15 amPorto Alegre Salgado Filho
19h 05m
2 stops
IAD5:20 amWashington, D.C. Dulles Intl
Oct 6
IAD2:46 pmWashington, D.C. Dulles Intl
27h 09m
2 stops
POA6:55 pmPorto Alegre Salgado Filho
$930
GOL
Sep 27
POA11:15 amPorto Alegre Salgado Filho
19h 05m
2 stops
IAD5:20 amWashington, D.C. Dulles Intl
Oct 6
IAD2:46 pmWashington, D.C. Dulles Intl
32h 09m
2 stops
POA11:55 pmPorto Alegre Salgado Filho
$931

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 May 8, 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

Wed 6/10

1:20 am-4:21 am

1 stop28h 01m

Washington, D.C. Dulles Intl

Fri 6/19

2:21 am-12:20 am

1 stop20h 59m

$720

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Mon 6/8

1:20 am-4:21 am

1 stop28h 01m

Washington, D.C. Dulles Intl

Thu 6/18

2:21 am-12:20 am

1 stop20h 59m

$721

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Mon 6/8

1:20 am-4:21 am

1 stop28h 01m

Washington, D.C. Dulles Intl

Fri 6/19

4:38 pm-12:20 am

1 stop30h 42m

$755

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Sun 6/21

1:20 am-3:05 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Mon 6/29

6:25 am-12:20 am

1 stop16h 55m

$771

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Mon 6/8

1:20 am-3:05 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Fri 6/19

6:25 am-12:20 am

1 stop16h 55m

$783

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Wed 6/10

1:20 am-12:33 am

1 stop24h 13m

Washington, D.C. Dulles Intl

Sat 6/20

6:25 am-12:20 am

1 stop16h 55m

$791

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Wed 6/10

1:20 am-12:33 am

1 stop24h 13m

Washington, D.C. Dulles Intl

Fri 6/19

2:21 am-12:20 am

1 stop20h 59m

$801
Quickest round-trip

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Mon 10/19

1:20 am-3:04 pm

1 stop14h 44m

Washington, D.C. Dulles Intl

Sat 10/24

9:35 am-12:20 am

1 stop13h 45m

$803

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Sat 9/26

1:20 am-4:20 am

1 stop28h 00m

Washington, D.C. Dulles Intl

Tue 10/6

4:34 pm-12:20 am

1 stop30h 46m

$825

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Wed 6/10

1:20 am-3:05 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Fri 6/19

2:21 am-12:20 am

1 stop20h 59m

$836

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

What is the typical price of a round-trip flight between Porto Alegre and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, July is the cheapest month to fly from Porto Alegre to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $0.

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 30m

Direct flights

None
The fastest flight from Porto Alegre to Washington, D.C. Dulles Intl Airport takes 15h 30m
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.
Search flight deals

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 30m, 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.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Gaithersburg
Colonial Beach
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Sterling
Linthicum Heights
Tysons
Bethesda
Springfield

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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