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Cheap flights from Porto Alegre to Washington, D.C. from $323

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 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
1:30 am - 3:15 am
POA
-
IAD
27h 45m1 stop
Copa Airlines Logo
4:35 pm - 12:25 am
IAD
-
POA
30h 50m1 stop
$655Copa Airlines
Tue, Mar 3 - Wed, Mar 18
GOL Logo
6:25 pm - 5:35 am
POA
-
IAD
36h 10m2 stops
GOL Logo
7:00 am - 10:40 am
IAD
-
POA
26h 40m2 stops
$730GOL
Fri, May 8 - Mon, May 18
Air Canada Logo
5:10 pm - 8:54 pm
POA
-
IAD
29h 44m2 stops
Air Canada Logo
9:00 am - 4:30 pm
IAD
-
POA
30h 30m2 stops
$745Air Canada
Wed, Mar 4 - Wed, Mar 18
GOL Logo
5:30 pm - 2:00 pm
POA
-
IAD
45h 30m2 stops
GOL Logo
5:26 pm - 6:35 pm
IAD
-
POA
24h 09m2 stops
$781GOL
Sat, Apr 11 - Wed, Apr 22
American Airlines Logo
6:25 pm - 11:30 pm
POA
-
IAD
30h 05m2 stops
American Airlines Logo
6:26 am - 10:40 am
IAD
-
POA
27h 14m3 stops
$803American Airlines
Fri, May 8 - Mon, May 18
Multiple Airlines Logo
5:55 pm - 11:44 am
POA
-
IAD
19h 49m2 stops
Multiple Airlines Logo
4:35 pm - 12:25 am
IAD
-
POA
30h 50m1 stop
$812Multiple Airlines
Wed, Mar 4 - Wed, Mar 18
Air Canada Logo
3:30 pm - 8:26 pm
POA
-
IAD
29h 56m2 stops
Air Canada Logo
9:00 am - 4:25 pm
IAD
-
POA
30h 25m2 stops
$852Air Canada
Thu, Mar 12 - Mon, Mar 16
Copa Airlines Logo
1:20 am - 12:33 am
POA
-
IAD
24h 13m1 stop
Copa Airlines Logo
9:37 am - 12:20 am
IAD
-
POA
13h 43m1 stop
$854Copa Airlines
Thu, May 7 - Mon, May 18
Air Canada Logo
5:55 pm - 8:26 pm
POA
-
IAD
27h 31m2 stops
Air Canada Logo
4:30 pm - 2:10 pm
IAD
-
POA
20h 40m2 stops
$855Air Canada
Thu, Mar 12 - Mon, Mar 16
Air Canada Logo
2:05 pm - 3:46 pm
POA
-
IAD
26h 41m2 stops
Air Canada Logo
4:30 pm - 4:25 pm
IAD
-
POA
22h 55m2 stops
$857Air Canada
Thu, Mar 12 - Mon, Mar 16

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
Mar 3
POA1:30 amPorto Alegre Salgado Filho
27h 45m
1 stop
IAD3:15 amWashington, D.C. Dulles Intl
Mar 18
IAD4:35 pmWashington, D.C. Dulles Intl
30h 50m
1 stop
POA12:25 amPorto Alegre Salgado Filho
$655
Find similar
Copa Airlines
May 7
POA1:20 amPorto Alegre Salgado Filho
24h 13m
1 stop
IAD12:33 amWashington, D.C. Dulles Intl
May 18
IAD9:37 amWashington, D.C. Dulles Intl
13h 43m
1 stop
POA12:20 amPorto Alegre Salgado Filho
$854
Find similar
Copa Airlines
Apr 10
POA1:35 amPorto Alegre Salgado Filho
23h 59m
1 stop
IAD12:34 amWashington, D.C. Dulles Intl
Apr 21
IAD2:21 amWashington, D.C. Dulles Intl
20h 59m
1 stop
POA12:20 amPorto Alegre Salgado Filho
$1,141
Find similar

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

Our best Air Canada deals on Porto Alegre to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Mar 4
POA5:10 pmPorto Alegre Salgado Filho
29h 44m
2 stops
IAD8:54 pmWashington, D.C. Dulles Intl
Mar 18
IAD9:00 amWashington, D.C. Dulles Intl
30h 30m
2 stops
POA4:30 pmPorto Alegre Salgado Filho
$745
Find similar
Air Canada
Mar 12
POA3:30 pmPorto Alegre Salgado Filho
29h 56m
2 stops
IAD8:26 pmWashington, D.C. Dulles Intl
Mar 16
IAD9:00 amWashington, D.C. Dulles Intl
30h 25m
2 stops
POA4:25 pmPorto Alegre Salgado Filho
$852
Find similar
Air Canada
Mar 12
POA5:55 pmPorto Alegre Salgado Filho
27h 31m
2 stops
IAD8:26 pmWashington, D.C. Dulles Intl
Mar 16
IAD4:30 pmWashington, D.C. Dulles Intl
20h 40m
2 stops
POA2:10 pmPorto Alegre Salgado Filho
$855
Find similar

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 December 31, 2025.
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

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 3/3

1:30 am-3:15 am

1 stop27h 45m

Washington, D.C. Dulles Intl

Wed 3/18

4:35 pm-12:25 am

1 stop30h 50m

$655

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Fri 5/8

6:25 pm-5:35 am

2 stops36h 10m

Washington, D.C. Dulles Intl

Mon 5/18

7:00 am-10:40 am

2 stops26h 40m

$730

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Wed 3/4

5:10 pm-8:54 pm

2 stops29h 44m

Washington, D.C. Dulles Intl

Wed 3/18

9:00 am-4:30 pm

2 stops30h 30m

$745

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Sat 4/11

5:30 pm-2:00 pm

2 stops45h 30m

Washington, D.C. Dulles Intl

Wed 4/22

5:26 pm-6:35 pm

2 stops24h 09m

$781

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Fri 5/8

6:25 pm-11:30 pm

2 stops30h 05m

Washington, D.C. Dulles Intl

Mon 5/18

6:26 am-10:40 am

3 stops27h 14m

$803

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Wed 3/4

5:55 pm-11:44 am

2 stops19h 49m

Washington, D.C. Dulles Intl

Wed 3/18

4:35 pm-12:25 am

1 stop30h 50m

$812

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Thu 3/12

3:30 pm-8:26 pm

2 stops29h 56m

Washington, D.C. Dulles Intl

Mon 3/16

9:00 am-4:25 pm

2 stops30h 25m

$852

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Thu 5/7

1:20 am-12:33 am

1 stop24h 13m

Washington, D.C. Dulles Intl

Mon 5/18

9:37 am-12:20 am

1 stop13h 43m

$854

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Thu 3/12

5:55 pm-8:26 pm

2 stops27h 31m

Washington, D.C. Dulles Intl

Mon 3/16

4:30 pm-2:10 pm

2 stops20h 40m

$855

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Thu 3/12

2:05 pm-3:46 pm

2 stops26h 41m

Washington, D.C. Dulles Intl

Mon 3/16

4:30 pm-4:25 pm

2 stops22h 55m

$857

Flights are sorted by cheapest round-trip flights 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 cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, June 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 $587. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of June, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $605.

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

You could potentially save up to 53% 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

18h 12m

Direct flights

None
The fastest flight from Porto Alegre to Washington, D.C. Dulles Intl Airport takes 18h 12m
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

  • 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 18h 12m, 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
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Rockville
Gaithersburg
Harpers Ferry
Manassas
Sterling
Fairfax
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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