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Cheap flights from Porto Alegre to Washington, D.C. from $465

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 9/20. 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.
GOL Logo
6:00 am - 1:15 pm-
33h 15m
GOL Logo
2:35 pm - 11:20 pm-
30h 45m
$848GOL
Sun, Nov 1 - Fri, Nov 13
Multiple Airlines Logo
12:30 pm - 5:25 am-
41h 55m
Multiple Airlines Logo
12:30 pm - 7:05 pm-
28h 35m
$856Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
Avianca Logo
8:50 pm - 5:20 am-
33h 30m
Avianca Logo
3:35 pm - 10:40 am-
18h 05m
$872Avianca
Mon, Oct 19 - Fri, Oct 30
Avianca Logo
12:30 pm - 2:15 pm-
26h 45m
Avianca Logo
2:35 pm - 8:30 pm-
27h 55m
$876Avianca
Thu, Oct 29 - Tue, Nov 3
Avianca Logo
12:30 pm - 5:25 am-
17h 55m
Avianca Logo
2:35 pm - 7:00 am-
38h 25m
$876Avianca
Thu, Oct 29 - Mon, Nov 2
Avianca Logo
12:30 pm - 5:25 am-
41h 55m
Avianca Logo
5:50 am - 8:30 pm-
36h 40m
$876Avianca
Wed, Oct 28 - Tue, Nov 3
Avianca Logo
12:30 pm - 5:25 am-
41h 55m
Avianca Logo
2:35 pm - 7:00 am-
38h 25m
$876Avianca
Wed, Oct 28 - Mon, Nov 2
Avianca Logo
4:05 am - 5:20 am-
26h 15m
Avianca Logo
6:50 am - 12:15 pm-
28h 25m
$876Avianca
Sun, Sep 27 - Tue, Oct 6
Avianca Logo
5:20 am - 5:25 am-
25h 05m
Avianca Logo
2:35 pm - 7:00 am-
38h 25m
$883Avianca
Sun, Oct 25 - Mon, Nov 2
Avianca Logo
5:20 am - 5:25 am-
25h 05m
Avianca Logo
2:35 pm - 8:30 pm-
27h 55m
$883Avianca
Sun, Oct 25 - Tue, Nov 3

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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
Oct 31
POA4:55 pmPorto Alegre Salgado Filho
29h 28m
2 stops
IAD9:23 pmWashington, D.C. Dulles Intl
Nov 6
IAD9:55 amWashington, D.C. Dulles Intl
28h 15m
2 stops
POA4:10 pmPorto Alegre Salgado Filho
$930
Air Canada
Oct 31
POA3:45 pmPorto Alegre Salgado Filho
30h 38m
2 stops
IAD9:23 pmWashington, D.C. Dulles Intl
Nov 2
IAD4:30 pmWashington, D.C. Dulles Intl
20h 30m
2 stops
POA3:00 pmPorto Alegre Salgado Filho
$932
Air Canada
Oct 28
POA3:25 pmPorto Alegre Salgado Filho
25h 20m
2 stops
IAD3:45 pmWashington, D.C. Dulles Intl
Nov 2
IAD4:30 pmWashington, D.C. Dulles Intl
20h 30m
2 stops
POA3:00 pmPorto Alegre Salgado Filho
$935

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
Oct 26
POA5:40 pmPorto Alegre Salgado Filho
27h 34m
2 stops
IAD8:14 pmWashington, D.C. Dulles Intl
Nov 4
IAD6:32 pmWashington, D.C. Dulles Intl
22h 33m
2 stops
POA7:05 pmPorto Alegre Salgado Filho
$990
LATAM Airlines
Oct 30
POA6:00 pmPorto Alegre Salgado Filho
24h 10m
2 stops
IAD5:10 pmWashington, D.C. Dulles Intl
Nov 4
IAD12:30 pmWashington, D.C. Dulles Intl
28h 35m
2 stops
POA7:05 pmPorto Alegre Salgado Filho
$993
LATAM Airlines
Oct 27
POA7:30 amPorto Alegre Salgado Filho
18h 12m
2 stops
IAD12:42 amWashington, D.C. Dulles Intl
Nov 3
IAD6:12 pmWashington, D.C. Dulles Intl
22h 33m
2 stops
POA6:45 pmPorto Alegre Salgado Filho
$995

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 August 4, 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

Sun 11/1

6:00 am-1:15 pm

2 stops33h 15m

Washington, D.C. Dulles Intl

Fri 11/13

2:35 pm-11:20 pm

2 stops30h 45m

$848

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Wed 10/28

12:30 pm-5:25 am

2 stops41h 55m

Washington, D.C. Dulles Intl

Wed 11/4

12:30 pm-7:05 pm

2 stops28h 35m

$856
Quickest round-trip

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Mon 10/19

8:50 pm-5:20 am

2 stops33h 30m

Washington, D.C. Dulles Intl

Fri 10/30

3:35 pm-10:40 am

2 stops18h 05m

$872

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Thu 10/29

12:30 pm-2:15 pm

2 stops26h 45m

Washington, D.C. Dulles Intl

Tue 11/3

2:35 pm-8:30 pm

2 stops27h 55m

$876

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Thu 10/29

12:30 pm-5:25 am

2 stops17h 55m

Washington, D.C. Dulles Intl

Mon 11/2

2:35 pm-7:00 am

2 stops38h 25m

$876

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Wed 10/28

12:30 pm-5:25 am

2 stops41h 55m

Washington, D.C. Dulles Intl

Tue 11/3

5:50 am-8:30 pm

2 stops36h 40m

$876

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Wed 10/28

12:30 pm-5:25 am

2 stops41h 55m

Washington, D.C. Dulles Intl

Mon 11/2

2:35 pm-7:00 am

2 stops38h 25m

$876

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Sun 9/27

4:05 am-5:20 am

2 stops26h 15m

Washington, D.C. Dulles Intl

Tue 10/6

6:50 am-12:15 pm

2 stops28h 25m

$876

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Sun 10/25

5:20 am-5:25 am

2 stops25h 05m

Washington, D.C. Dulles Intl

Mon 11/2

2:35 pm-7:00 am

2 stops38h 25m

$883

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Sun 10/25

5:20 am-5:25 am

2 stops25h 05m

Washington, D.C. Dulles Intl

Tue 11/3

2:35 pm-8:30 pm

2 stops27h 55m

$883

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 16% 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

14h 15m

Direct flights

None
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. 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 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.?

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

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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