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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 10/13. 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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Find the cheapest flights from Porto Alegre to Washington, D.C.

Cheap round-trip flights

Copa Airlines Logo
1:27 am - 12:30 amPOA-IAD
24h 03m1 stop
Copa Airlines Logo
2:25 am - 12:20 amIAD-POA
20h 55m1 stop
$635Copa Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 23
Copa Airlines Logo
1:20 am - 12:28 amPOA-IAD
24h 08m1 stop
Copa Airlines Logo
9:35 am - 12:20 amIAD-POA
13h 45m1 stop
$655Copa Airlines
Find Deal
Tue, Aug 26 - Wed, Sep 10
Copa Airlines Logo
1:20 am - 12:28 amPOA-IAD
24h 08m1 stop
Copa Airlines Logo
2:25 am - 12:20 amIAD-POA
20h 55m1 stop
$666Copa Airlines
Find Deal
Tue, Aug 26 - Tue, Sep 9
United Airlines Logo
5:10 pm - 6:25 amPOA-IAD
14h 15m1 stop
United Airlines Logo
10:35 pm - 6:20 pmIAD-POA
18h 45m1 stop
$723United Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 10
United Airlines Logo
2:05 pm - 11:28 amPOA-IAD
22h 23m2 stops
United Airlines Logo
6:40 pm - 2:35 pmIAD-POA
18h 55m2 stops
$729United Airlines
Find Deal
Thu, Aug 28 - Thu, Sep 4
GOL Logo
11:05 am - 4:47 pmPOA-IAD
30h 42m2 stops
GOL Logo
11:41 am - 6:20 pmIAD-POA
29h 39m2 stops
$792GOL
Find Deal
Tue, Oct 21 - Mon, Oct 27
Avianca Logo
9:50 pm - 2:00 pmPOA-IAD
17h 10m2 stops
Avianca Logo
3:35 pm - 1:00 pmIAD-POA
20h 25m2 stops
$799Avianca
Find Deal
Tue, Oct 21 - Mon, Oct 27
Avianca Logo
9:50 pm - 2:00 pmPOA-IAD
17h 10m2 stops
Avianca Logo
7:00 am - 8:05 amIAD-POA
24h 05m2 stops
$829Avianca
Find Deal
Tue, Sep 9 - Fri, Sep 26
Logo
1:55 pm - 6:25 amPOA-IAD
17h 30m1 stop
Logo
7:10 am - 10:50 amIAD-POA
26h 40m2 stops
$848
Find Deal
Tue, Oct 21 - Mon, Oct 27
Logo
6:35 pm - 5:35 amPOA-IAD
36h 00m2 stops
Logo
2:25 am - 12:15 amIAD-POA
20h 50m1 stop
$944
Find Deal
Mon, Aug 11 - Sat, Aug 23

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
Sep 9
POA1:27 amPorto Alegre Salgado Filho
24h 03m
1 stop
IAD12:30 amWashington, D.C. Dulles Intl
Sep 23
IAD2:25 amWashington, D.C. Dulles Intl
20h 55m
1 stop
POA12:20 amPorto Alegre Salgado Filho
$635
Find similar
Copa Airlines
Aug 26
POA1:20 amPorto Alegre Salgado Filho
24h 08m
1 stop
IAD12:28 amWashington, D.C. Dulles Intl
Sep 10
IAD9:35 amWashington, D.C. Dulles Intl
13h 45m
1 stop
POA12:20 amPorto Alegre Salgado Filho
$655
Find similar
Copa Airlines
Aug 26
POA1:20 amPorto Alegre Salgado Filho
24h 08m
1 stop
IAD12:28 amWashington, D.C. Dulles Intl
Sep 9
IAD2:25 amWashington, D.C. Dulles Intl
20h 55m
1 stop
POA12:20 amPorto Alegre Salgado Filho
$666
Find similar

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

Our best LATAM Airlines deals on Porto Alegre to Washington, D.C. Dulles Intl Airport flight tickets
LATAM Airlines
Aug 10
POA6:40 amPorto Alegre Salgado Filho
16h 36m
2 stops
IAD10:16 pmWashington, D.C. Dulles Intl
Aug 24
IAD10:07 amWashington, D.C. Dulles Intl
19h 18m
2 stops
POA6:25 amPorto Alegre Salgado Filho
$888
Find similar
LATAM Airlines
Sep 11
POA7:20 amPorto Alegre Salgado Filho
26h 49m
2 stops
IAD9:09 amWashington, D.C. Dulles Intl
Sep 25
IAD5:25 pmWashington, D.C. Dulles Intl
25h 25m
2 stops
POA7:50 pmPorto Alegre Salgado Filho
$890
Find similar
LATAM Airlines
Oct 21
POA3:15 pmPorto Alegre Salgado Filho
21h 42m
2 stops
IAD11:57 amWashington, D.C. Dulles Intl
Oct 31
IAD10:11 amWashington, D.C. Dulles Intl
19h 19m
2 stops
POA6:30 amPorto Alegre Salgado Filho
$893
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 July 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 9/9

1:27 am-12:30 am

1 stop24h 03m

Washington, D.C. Dulles Intl

Tue 9/23

2:25 am-12:20 am

1 stop20h 55m

$635

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 8/26

1:20 am-12:28 am

1 stop24h 08m

Washington, D.C. Dulles Intl

Wed 9/10

9:35 am-12:20 am

1 stop13h 45m

$655

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 8/26

1:20 am-12:28 am

1 stop24h 08m

Washington, D.C. Dulles Intl

Tue 9/9

2:25 am-12:20 am

1 stop20h 55m

$666

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Wed 8/27

5:10 pm-6:25 am

1 stop14h 15m

Washington, D.C. Dulles Intl

Wed 9/10

10:35 pm-6:20 pm

1 stop18h 45m

$723

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Thu 8/28

2:05 pm-11:28 am

2 stops22h 23m

Washington, D.C. Dulles Intl

Thu 9/4

6:40 pm-2:35 pm

2 stops18h 55m

$729

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 10/21

11:05 am-4:47 pm

2 stops30h 42m

Washington, D.C. Dulles Intl

Mon 10/27

11:41 am-6:20 pm

2 stops29h 39m

$792

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 10/21

9:50 pm-2:00 pm

2 stops17h 10m

Washington, D.C. Dulles Intl

Mon 10/27

3:35 pm-1:00 pm

2 stops20h 25m

$799

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 9/9

9:50 pm-2:00 pm

2 stops17h 10m

Washington, D.C. Dulles Intl

Fri 9/26

7:00 am-8:05 am

2 stops24h 05m

$829

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 10/21

1:55 pm-6:25 am

1 stop17h 30m

Washington, D.C. Dulles Intl

Mon 10/27

7:10 am-10:50 am

2 stops26h 40m

$848

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Mon 8/11

6:35 pm-5:35 am

2 stops36h 00m

Washington, D.C. Dulles Intl

Sat 8/23

2:25 am-12:15 am

1 stop20h 50m

$944

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 cheapest airline that flies from Porto Alegre Salgado Filho to Washington, D.C. Dulles Intl?

Copa Airlines, United Airlines, and Avianca are the most popular carriers operating from Porto Alegre Salgado Filho to Washington, D.C. Dulles Intl

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

Best Price Found

$323

Fastest flight time

14h 15m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Porto Alegre in the past 72 hours is $323. The best round-trip flight deal from Porto Alegre to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $635.
The fastest flight from Porto Alegre to Washington, D.C. Dulles Intl Airport takes 14h 15m
There are no direct flights from Porto Alegre to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Porto Alegre Salgado Filho Airport - Washington, D.C. Dulles Intl Airport.
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  • 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 14h 15m, 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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