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Cheap flights from Porto Alegre to District of Columbia from $322

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 District of Columbia 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.
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 District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:25 pm - 6:25 am
POA
-
IAD
16h 00m1 stop
United Airlines Logo
10:30 pm - 2:35 pm
IAD
-
POA
15h 05m1 stop
$600United Airlines
Tue, Jun 9 - Fri, Jun 19
United Airlines Logo
5:10 pm - 11:51 pm
POA
-
IAD
31h 41m2 stops
United Airlines Logo
10:30 pm - 4:10 pm
IAD
-
POA
16h 40m1 stop
$605United Airlines
Tue, Jun 9 - Fri, Jun 19
United Airlines Logo
3:25 pm - 11:37 am
POA
-
IAD
21h 12m2 stops
United Airlines Logo
5:15 pm - 2:35 pm
IAD
-
POA
20h 20m2 stops
$656United Airlines
Tue, Jun 9 - Fri, Jun 19
Copa Airlines Logo
1:20 am - 3:05 pm
POA
-
IAD
14h 45m1 stop
Copa Airlines Logo
9:37 am - 12:20 am
IAD
-
POA
13h 43m1 stop
$1,163Copa Airlines
Mon, Jun 8 - Fri, Jun 19
LATAM Airlines Logo
7:05 pm - 7:16 pm
POA
-
IAD
25h 11m2 stops
LATAM Airlines Logo
7:00 am - 6:10 am
IAD
-
POA
22h 10m2 stops
$1,334LATAM Airlines
Tue, Jun 9 - Fri, Jun 19
LATAM Airlines Logo
7:30 pm - 11:43 am
POA
-
IAD
18h 13m2 stops
LATAM Airlines Logo
3:42 pm - 6:30 am
IAD
-
POA
36h 48m2 stops
$2,072LATAM Airlines
Tue, Jan 20 - Tue, Feb 3
Multiple Airlines Logo
2:00 pm - 11:23 am
POA
-
IAD
22h 23m2 stops
Multiple Airlines Logo
9:37 am - 12:20 am
IAD
-
POA
13h 43m1 stop
$2,327Multiple Airlines
Tue, Jun 9 - Fri, Jun 19
LATAM Airlines Logo
8:10 pm - 11:45 am
POA
-
IAD
17h 35m2 stops
LATAM Airlines Logo
12:35 pm - 6:30 am
IAD
-
POA
39h 55m2 stops
$2,355LATAM Airlines
Tue, Feb 3 - Thu, Feb 12
Multiple Airlines Logo
1:45 am - 11:30 pm
POA
-
IAD
23h 45m1 stop
Multiple Airlines Logo
2:35 pm - 11:30 am
IAD
-
POA
18h 55m2 stops
$2,662Multiple Airlines
Tue, Jan 27 - Wed, Feb 11
Copa Airlines Logo
1:45 am - 11:30 pm
POA
-
IAD
23h 45m1 stop
Copa Airlines Logo
1:18 am - 12:25 am
IAD
-
POA
21h 07m1 stop
$3,582Copa Airlines
Tue, Jan 27 - Tue, Feb 10

United Airlines flights from Porto Alegre to District of Columbia

Our best United Airlines deals on Porto Alegre to District of Columbia flight tickets
United Airlines
Jun 9
POA3:25 pmPorto Alegre Salgado Filho
16h 00m
1 stop
IAD6:25 amWashington, D.C. Dulles Intl
Jun 19
IAD10:30 pmWashington, D.C. Dulles Intl
15h 05m
1 stop
POA2:35 pmPorto Alegre Salgado Filho
$600
Find similar
United Airlines
Jun 9
POA5:10 pmPorto Alegre Salgado Filho
31h 41m
2 stops
IAD11:51 pmWashington, D.C. Dulles Intl
Jun 19
IAD10:30 pmWashington, D.C. Dulles Intl
16h 40m
1 stop
POA4:10 pmPorto Alegre Salgado Filho
$605
Find similar
United Airlines
Jun 9
POA3:25 pmPorto Alegre Salgado Filho
21h 12m
2 stops
IAD11:37 amWashington, D.C. Dulles Intl
Jun 19
IAD5:15 pmWashington, D.C. Dulles Intl
20h 20m
2 stops
POA2:35 pmPorto Alegre Salgado Filho
$656
Find similar

Copa Airlines flights from Porto Alegre to District of Columbia

Our best Copa Airlines deals on Porto Alegre to District of Columbia flight tickets
Copa Airlines
Jun 8
POA1:20 amPorto Alegre Salgado Filho
14h 45m
1 stop
IAD3:05 pmWashington, D.C. Dulles Intl
Jun 19
IAD9:37 amWashington, D.C. Dulles Intl
13h 43m
1 stop
POA12:20 amPorto Alegre Salgado Filho
$1,163
Find similar
Copa Airlines
Jan 27
POA1:45 amPorto Alegre Salgado Filho
23h 45m
1 stop
IAD11:30 pmWashington, D.C. Dulles Intl
Feb 10
IAD1:18 amWashington, D.C. Dulles Intl
21h 07m
1 stop
POA12:25 amPorto Alegre Salgado Filho
$3,582
Find similar
Copa Airlines
Feb 3
POA1:30 amPorto Alegre Salgado Filho
14h 30m
1 stop
IAD2:00 pmWashington, D.C. Dulles Intl
Feb 18
IAD3:35 pmWashington, D.C. Dulles Intl
30h 50m
1 stop
POA12:25 amPorto Alegre Salgado Filho
$3,596
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Porto Alegre to District of Columbia 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 23, 2025.
Use the filters below to find and compare flights from Porto Alegre to District of Columbia 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 6/9

3:25 pm-6:25 am

1 stop16h 00m

Washington, D.C. Dulles Intl

Fri 6/19

10:30 pm-2:35 pm

1 stop15h 05m

$600

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 6/9

5:10 pm-11:51 pm

2 stops31h 41m

Washington, D.C. Dulles Intl

Fri 6/19

10:30 pm-4:10 pm

1 stop16h 40m

$605

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 6/9

3:25 pm-11:37 am

2 stops21h 12m

Washington, D.C. Dulles Intl

Fri 6/19

5:15 pm-2:35 pm

2 stops20h 20m

$656

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

9:37 am-12:20 am

1 stop13h 43m

$1,163

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 6/9

7:05 pm-7:16 pm

2 stops25h 11m

Washington, D.C. Dulles Intl

Fri 6/19

7:00 am-6:10 am

2 stops22h 10m

$1,334

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 1/20

7:30 pm-11:43 am

2 stops18h 13m

Washington, D.C. Dulles Intl

Tue 2/3

3:42 pm-6:30 am

2 stops36h 48m

$2,072

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 6/9

2:00 pm-11:23 am

2 stops22h 23m

Washington, D.C. Dulles Intl

Fri 6/19

9:37 am-12:20 am

1 stop13h 43m

$2,327

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 2/3

8:10 pm-11:45 am

2 stops17h 35m

Washington, D.C. Dulles Intl

Thu 2/12

12:35 pm-6:30 am

2 stops39h 55m

$2,355

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 1/27

1:45 am-11:30 pm

1 stop23h 45m

Washington, D.C. Dulles Intl

Wed 2/11

2:35 pm-11:30 am

2 stops18h 55m

$2,662

Porto AlegreWashington, D.C.

POA - IAD

POAIAD

Porto Alegre Salgado Filho

Tue 1/27

1:45 am-11:30 pm

1 stop23h 45m

Washington, D.C. Dulles Intl

Tue 2/10

1:18 am-12:25 am

1 stop21h 07m

$3,582

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 District of Columbia from

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

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 District of Columbia?

In general, August is the cheapest month to fly from Porto Alegre to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $659. If you don’t want to visit District of Columbia in August, then you should wait until September to fly from Porto Alegre, when ticket prices are also cheap, with an average price of $674.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Monday when prices can be found for as low as $1,039. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Porto Alegre because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,372.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Porto Alegre in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,132 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly in the morning, with an average ticket price of $1,204. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Porto Alegre to District of Columbia flights?

You could potentially save up to 25% on your flight if you consider stops on a Porto Alegre to District of Columbia flight.

Cheap Porto Alegre to District of Columbia flight deals and tips

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

Fastest flight time

16h 00m

Direct flights

None
The fastest flight from Porto Alegre to District of Columbia takes 16h 00m
There are no direct flights from Porto Alegre to District of Columbia. There are no popular flight routes from Porto Alegre to District of Columbia.
Search flight deals

  • When did momondo last update prices for flights from Porto Alegre Salgado Filho Airport to District of Columbia?

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

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

    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 District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The required travel and health documents for your District of Columbia 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 District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Porto Alegre to District of Columbia for you.

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

Yes. All flights to District of Columbia from Porto Alegre on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to District of Columbia from Porto Alegre.

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

Yes momondo offers price alerts on flights to District of Columbia from Porto Alegre. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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