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Cheap flights from District of Columbia to Porto Alegre from $290

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Porto Alegre departing on 3/23. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
10:06 am - 6:15 am
IAD
-
POA
19h 09m
2 stops
LATAM Airlines Logo
7:25 am - 12:42 am
POA
-
IAD
18h 17m
2 stops
$682LATAM Airlines
So, Apr 12 - Mo, Apr 27
LATAM Airlines Logo
6:01 am - 6:30 am
IAD
-
POA
23h 29m
2 stops
LATAM Airlines Logo
5:50 pm - 12:23 pm
POA
-
IAD
19h 33m
2 stops
$684LATAM Airlines
So, Mrz 15 - So, Mai 17
LATAM Airlines Logo
7:29 pm - 5:05 pm
IAD
-
POA
20h 36m
2 stops
LATAM Airlines Logo
7:05 pm - 6:53 pm
POA
-
IAD
24h 48m
2 stops
$688LATAM Airlines
Mo, Mrz 16 - So, Mai 17
LATAM Airlines Logo
5:25 pm - 6:30 am
IAD
-
POA
36h 05m
2 stops
LATAM Airlines Logo
5:55 pm - 12:39 pm
POA
-
IAD
19h 44m
2 stops
$692LATAM Airlines
Sa, Mrz 14 - Di, Mrz 17
Multiple Airlines Logo
6:50 am - 9:50 am
IAD
-
POA
26h 00m
2 stops
Multiple Airlines Logo
9:05 pm - 5:20 am
POA
-
IAD
33h 15m
2 stops
$715Multiple Airlines
Fr, Mai 1 - Mo, Jun 1
Multiple Airlines Logo
6:50 am - 9:50 am
IAD
-
POA
26h 00m
2 stops
Multiple Airlines Logo
5:20 am - 2:15 pm
POA
-
IAD
33h 55m
3 stops
$721Multiple Airlines
Fr, Mai 1 - Mo, Jun 1
LATAM Airlines Logo
5:25 pm - 6:30 am
IAD
-
POA
36h 05m
2 stops
LATAM Airlines Logo
6:45 am - 12:05 pm
POA
-
IAD
30h 20m
2 stops
$777LATAM Airlines
Sa, Mrz 14 - Fr, Apr 24
Copa Airlines Logo
2:21 am - 12:20 am
IAD
-
POA
20h 59m
1 stop
Copa Airlines Logo
1:35 am - 3:06 pm
POA
-
IAD
14h 31m
1 stop
$784Copa Airlines
Mo, Apr 6 - Mo, Apr 20
LATAM Airlines Logo
5:25 pm - 6:30 am
IAD
-
POA
36h 05m
2 stops
LATAM Airlines Logo
7:05 pm - 6:08 pm
POA
-
IAD
24h 03m
2 stops
$788LATAM Airlines
Sa, Mrz 14 - So, Mai 3
LATAM Airlines Logo
5:25 pm - 6:30 am
IAD
-
POA
36h 05m
2 stops
LATAM Airlines Logo
5:50 pm - 12:23 pm
POA
-
IAD
19h 33m
2 stops
$791LATAM Airlines
Sa, Mrz 14 - So, Mai 17

LATAM Airlines flights from District of Columbia to Porto Alegre

Our best LATAM Airlines deals on District of Columbia to Porto Alegre flight tickets
LATAM Airlines
Apr 12
IAD10:06 amWashington, D.C. Dulles Intl
19h 09m
2 stops
POA6:15 amPorto Alegre Salgado Filho
Apr 27
POA7:25 amPorto Alegre Salgado Filho
18h 17m
2 stops
IAD12:42 amWashington, D.C. Dulles Intl
$682
LATAM Airlines
Mar 15
IAD6:01 amWashington, D.C. Dulles Intl
23h 29m
2 stops
POA6:30 amPorto Alegre Salgado Filho
May 17
POA5:50 pmPorto Alegre Salgado Filho
19h 33m
2 stops
IAD12:23 pmWashington, D.C. Dulles Intl
$684
LATAM Airlines
Mar 16
IAD7:29 pmWashington, D.C. Dulles Intl
20h 36m
2 stops
POA5:05 pmPorto Alegre Salgado Filho
May 17
POA7:05 pmPorto Alegre Salgado Filho
24h 48m
2 stops
IAD6:53 pmWashington, D.C. Dulles Intl
$688

Copa Airlines flights from District of Columbia to Porto Alegre

Our best Copa Airlines deals on District of Columbia to Porto Alegre flight tickets
Copa Airlines
Apr 6
IAD2:21 amWashington, D.C. Dulles Intl
20h 59m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Apr 20
POA1:35 amPorto Alegre Salgado Filho
14h 31m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
$784
Copa Airlines
May 1
IAD6:00 amWashington, D.C. Dulles Intl
17h 20m
2 stops
POA12:20 amPorto Alegre Salgado Filho
Jun 1
POA5:10 pmPorto Alegre Salgado Filho
14h 15m
1 stop
IAD6:25 amWashington, D.C. Dulles Intl
$865
Copa Airlines
Apr 4
IAD2:21 amWashington, D.C. Dulles Intl
20h 59m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Apr 19
POA1:35 amPorto Alegre Salgado Filho
23h 59m
1 stop
IAD12:34 amWashington, D.C. Dulles Intl
$888

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Porto Alegre 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 März 1, 2026.
Use the filters below to find and compare flights from District of Columbia to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

So 4/12

10:06 am-6:15 am

2 stops19h 09m

Porto Alegre Salgado Filho

Mo 4/27

7:25 am-12:42 am

2 stops18h 17m

$682

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

So 3/15

6:01 am-6:30 am

2 stops23h 29m

Porto Alegre Salgado Filho

So 5/17

5:50 pm-12:23 pm

2 stops19h 33m

$684

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mo 3/16

7:29 pm-5:05 pm

2 stops20h 36m

Porto Alegre Salgado Filho

So 5/17

7:05 pm-6:53 pm

2 stops24h 48m

$688

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sa 3/14

5:25 pm-6:30 am

2 stops36h 05m

Porto Alegre Salgado Filho

Di 3/17

5:55 pm-12:39 pm

2 stops19h 44m

$692

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Fr 5/1

6:50 am-9:50 am

2 stops26h 00m

Porto Alegre Salgado Filho

Mo 6/1

9:05 pm-5:20 am

2 stops33h 15m

$715

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Fr 5/1

6:50 am-9:50 am

2 stops26h 00m

Porto Alegre Salgado Filho

Mo 6/1

5:20 am-2:15 pm

3 stops33h 55m

$721

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sa 3/14

5:25 pm-6:30 am

2 stops36h 05m

Porto Alegre Salgado Filho

Fr 4/24

6:45 am-12:05 pm

2 stops30h 20m

$777

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mo 4/6

2:21 am-12:20 am

1 stop20h 59m

Porto Alegre Salgado Filho

Mo 4/20

1:35 am-3:06 pm

1 stop14h 31m

$784

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sa 3/14

5:25 pm-6:30 am

2 stops36h 05m

Porto Alegre Salgado Filho

So 5/3

7:05 pm-6:08 pm

2 stops24h 03m

$788

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Sa 3/14

5:25 pm-6:30 am

2 stops36h 05m

Porto Alegre Salgado Filho

So 5/17

5:50 pm-12:23 pm

2 stops19h 33m

$791

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from District of Columbia to Porto Alegre

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 District of Columbia to Porto Alegre flights?

You could potentially save up to 45% on your flight if you consider stops on a District of Columbia to Porto Alegre flight.

Cheap District of Columbia to Porto Alegre flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Porto Alegre

Fastest flight time

13h 55m

Direct flights

None
The fastest flight from District of Columbia to Porto Alegre takes 13h 55m
There are no direct flights from District of Columbia to Porto Alegre. There are no popular flight routes from District of Columbia to Porto Alegre.
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  • When did momondo last update prices for flights from District of Columbia to Porto Alegre Salgado Filho Airport?

    Prices for flights from District of Columbia to Porto Alegre Salgado Filho Airport are updated daily.

  • How many operators does momondo search for flights from District of Columbia to Porto Alegre Salgado Filho Airport?

  • How old do you have to be to fly from District of Columbia to Porto Alegre Salgado Filho Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Porto Alegre Salgado Filho Airport.

  • What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

    The travel and health documents you'll need for your trip to Porto Alegre Salgado Filho Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Alegre Salgado Filho Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from District of Columbia to Porto Alegre

Compare and see reviews for airlines that fly from District of Columbia to Porto Alegre with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $428Free CancellationRating
7.5
1,559 reviews
Search Copa Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Porto Alegre?

It is quick and easy to find District of Columbia to Porto Alegre 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 Porto Alegre that suits you.

Can I find flights from District of Columbia to Porto Alegre with flexible booking policies on momondo?

All flight searches from District of Columbia to Porto Alegre on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from District of Columbia to Porto Alegre?

momondo helps you find the best flight between District of Columbia and Porto Alegre by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from District of Columbia to Porto Alegre right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to Porto Alegre now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Porto Alegre and let you know when they change.

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