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Reagan-National

$585+ Cheap flights from Porto Alegre (POA) to Reagan-National (DCA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
POA — DCA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Porto Alegre to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Porto Alegre (POA) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$728
(United Airlines)

One-way from

$585
(123 Milhas)

Popular in

November

Cheapest in

August

Average price

$674
From Porto Alegre Salgado Filho to Washington, D.C. Reagan-National
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One-way flight from Porto Alegre Salgado Filho to Washington, D.C. Reagan-National
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Highest demand for flights based on searches. 10% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Porto Alegre to Reagan-National

Cheapest flights from Porto Alegre to Reagan-National
Explore the most affordable flight options available from Porto Alegre to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:10 pmPOA - DCA
2 stops19h 49mUnited Airlines
Mon 10/206:04 pmDCA - POA
2 stops19h 31mUnited Airlines
Deal found 9/11$728
This 123 Milhas deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/213:50 pmPOA - DCA
2 stops18h 20mLATAM Airlines
Fri 10/316:20 pmDCA - POA
2 stops21h 40mLATAM Airlines
Deal found 9/9$807
This 123 Milhas deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:20 amPOA - DCA
2 stops17h 22mLATAM Airlines
Thu 9/256:00 amDCA - POA
2 stops17h 25mLATAM Airlines
Deal found 9/9$814
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/215:10 pmPOA - DCA
2 stops20h 49mUnited Airlines
Fri 10/311:00 pmDCA - POA
2 stops24h 35mUnited Airlines
Deal found 9/10$820
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/113:25 pmPOA - DCA
2 stops21h 11mUnited Airlines
Thu 9/256:04 pmDCA - POA
2 stops19h 31mUnited Airlines
Deal found 9/10$821
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/103:25 pmPOA - DCA
2 stops19h 11mUnited Airlines
Wed 9/246:00 pmDCA - POA
2 stops19h 45mUnited Airlines
Deal found 9/9$822
This Gurufare deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:10 amPOA - DCA
2 stops18h 04mGOL
Sat 12/65:14 pmDCA - POA
2 stops16h 16mGOL
Deal found 9/9$919
This LATAM Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:20 amPOA - DCA
2 stops26h 49mLATAM Airlines
Sat 10/1812:31 pmDCA - POA
2 stops16h 54mLATAM Airlines
Deal found 9/10$943
This LATAM Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:00 pmPOA - DCA
2 stops19h 00mLATAM Airlines
Wed 9/246:00 amDCA - POA
2 stops23h 25mLATAM Airlines
Deal found 9/10$945

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto Alegre to Reagan-National 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Porto Alegre to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Porto Alegre

Fly to

Reagan-National

Route

Depart

Return

Price

Porto AlegreWashington, D.C.

POA - DCA

POADCA

Porto Alegre Salgado Filho

Mon 9/22

5:10 pm-11:59 am

2 stops19h 49m

Washington, D.C. Reagan-National

Mon 10/20

6:04 pm-2:35 pm

2 stops19h 31m

$728

Porto AlegreWashington, D.C.

POA - DCA

POADCA

Porto Alegre Salgado Filho

Tue 10/21

3:50 pm-9:10 am

2 stops18h 20m

Washington, D.C. Reagan-National

Fri 10/31

6:20 pm-5:00 pm

2 stops21h 40m

$807

Porto AlegreWashington, D.C.

POA - DCA

POADCA

Porto Alegre Salgado Filho

Tue 10/21

5:10 pm-12:59 pm

2 stops20h 49m

Washington, D.C. Reagan-National

Fri 10/31

1:00 pm-2:35 pm

2 stops24h 35m

$820

Porto AlegreWashington, D.C.

POA - DCA

POADCA

Porto Alegre Salgado Filho

Thu 11/13

5:10 am-9:14 pm

2 stops18h 04m

Washington, D.C. Reagan-National

Sat 12/6

5:14 pm-11:30 am

2 stops16h 16m

$919

Porto AlegreWashington, D.C.

POA - DCA

POADCA

Porto Alegre Salgado Filho

Sat 10/4

7:20 am-9:09 am

2 stops26h 49m

Washington, D.C. Reagan-National

Sat 10/18

12:31 pm-6:25 am

2 stops16h 54m

$943

Porto AlegreWashington, D.C.

POA - DCA

POADCA

Porto Alegre Salgado Filho

Wed 11/12

4:45 am-10:03 pm

2 stops19h 18m

Washington, D.C. Reagan-National

Sat 12/6

4:05 pm-5:00 pm

2 stops22h 55m

$1,000

Porto AlegreWashington, D.C.

POA - DCA

POADCA

Porto Alegre Salgado Filho

Sun 10/19

8:05 pm-2:22 pm

2 stops43h 17m

Washington, D.C. Reagan-National

Sat 11/1

2:59 pm-6:40 pm

2 stops26h 41m

$1,025

Porto AlegreWashington, D.C.

POA - DCA

POADCA

Porto Alegre Salgado Filho

Wed 12/17

6:00 pm-11:39 am

2 stops19h 39m

Washington, D.C. Reagan-National

Wed 12/31

6:00 am-6:30 am

2 stops22h 30m

$1,074

Porto AlegreWashington, D.C.

POA - DCA

POADCA

Porto Alegre Salgado Filho

Thu 12/18

9:35 am-9:56 pm

2 stops38h 21m

Washington, D.C. Reagan-National

Wed 12/31

6:00 am-11:15 pm

2 stops39h 15m

$1,122

Porto AlegreWashington, D.C.

POA - DCA

POADCA

Porto Alegre Salgado Filho

Wed 12/24

6:00 pm-12:59 pm

2 stops20h 59m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from Porto Alegre to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Porto Alegre with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Porto Alegre to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Porto Alegre to Washington, D.C. Reagan-National?

    For a flight from Porto Alegre to Washington, D.C. Reagan-National, you will be flying from Salgado Filho. Porto Alegre Salgado Filho (POA) is just 4.0 mi from the center of the city. Salgado Filho is the only Porto Alegre airport and it handles 0 outbound flights to Washington, D.C. Reagan-National per day. 0 airlines have flights to Washington, D.C. Reagan-National from Porto Alegre Salgado Filho on a regular basis.

  • How long is the flight from Porto Alegre to Washington, D.C. Reagan-National Airport?

    Departing from Porto Alegre to Washington, D.C. Reagan-National Airport will take you 18h 20m. The distance between Porto Alegre and Washington, D.C. Reagan-National Airport is about 5036 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Porto Alegre to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Porto Alegre to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Porto Alegre to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto Alegre to Reagan-National.

  • Can I find deals for business class flights from Porto Alegre to Reagan-National?

    Yes. Cheapflights offers flight deals from Porto Alegre to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Porto Alegre to Washington, D.C. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from Porto Alegre to Washington, D.C. Reagan-National Airport (average of $278). Flying from Porto Alegre to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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Alternative routes for Porto Alegre to Reagan-National

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