Cheap Flights from Washington D.C. to Porto Alegre
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Flights from Washington D.C. to Porto Alegre
Airlines Flying from Washington D.C. to Porto Alegre
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Flight deals from Washington D.C. to Porto Alegre
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Round-trip
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One way
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IAD 16:3430h 41m1 stopsPOA 00:15Washington D.C. - Porto Alegre | Mon, Aug 4 | Copa Airlines
POA 01:2024h 8m1 stopsIAD 00:28Porto Alegre - Washington D.C. | Mon, Aug 11 | Copa Airlines£482 £1,00652% OFF52% OFF£1,006 £482 -
IAD 02:4620h 29m1 stopsPOA 00:15Washington D.C. - Porto Alegre | Wed, Aug 6 | Copa Airlines
POA 01:2024h 8m1 stopsIAD 00:28Porto Alegre - Washington D.C. | Wed, Aug 13 | Copa Airlines£482 £1,00652% OFF52% OFF£1,006 £482
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IAD 02:2220h 53m1 stopsPOA 00:15Washington D.C. - Porto Alegre | Tue, Jul 8 | Copa Airlines
POA 01:2324h 6m1 stopsIAD 00:29Porto Alegre - Washington D.C. | Tue, Jul 15 | Copa Airlines£496 £1,00651% OFF51% OFF£1,006 £496
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IAD 02:4520h 30m1 stopsPOA 00:15Washington D.C. - Porto Alegre | Wed, Jul 16 | Copa Airlines
POA 01:2324h 6m1 stopsIAD 00:29Porto Alegre - Washington D.C. | Wed, Jul 23 | Copa Airlines£60640% OFF£1,006 £606
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IAD 16:2530h 50m1 stopsPOA 00:15Washington D.C. - Porto Alegre | Tue, Jul 22 | Copa Airlines
POA 01:2324h 6m1 stopsIAD 00:29Porto Alegre - Washington D.C. | Tue, Jul 29 | Copa Airlines£62838% OFF£1,006 £628
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IAD 02:2120h 54m1 stopsPOA 00:15Washington D.C. - Porto Alegre | Sat, Jun 28 | Copa Airlines
POA 01:2324h 6m1 stopsIAD 00:29Porto Alegre - Washington D.C. | Sat, Jul 5 | Copa Airlines£68532% OFF£1,006 £685
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IAD 09:3213h 43m1 stopsPOA 00:15Washington D.C. - Porto Alegre | Mon, Jun 30 | Copa Airlines
POA 01:2327h 57m1 stopsIAD 04:20Porto Alegre - Washington D.C. | Mon, Jul 7 | Copa Airlines£69031% OFF£1,006 £690
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IAD 16:2530h 50m1 stopsPOA 00:15Washington D.C. - Porto Alegre | Thu, Jul 24 | Copa Airlines
POA 01:2324h 6m1 stopsIAD 00:29Porto Alegre - Washington D.C. | Thu, Jul 31 | Copa Airlines£69431% OFF£1,006 £694
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IAD 09:3213h 43m1 stopsPOA 00:15Washington D.C. - Porto Alegre | Thu, Jul 17 | Copa Airlines
POA 01:2327h 57m1 stopsIAD 04:20Porto Alegre - Washington D.C. | Thu, Jul 24 | Copa Airlines£69831% OFF£1,006 £698
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IAD 22:3523h 35m1 stopsPOA 23:10Washington D.C. - Porto Alegre | Wed, Jul 2 | United Airlines
POA 05:5025h 35m1 stopsIAD 06:25Porto Alegre - Washington D.C. | Thu, Jul 10 | Azul Airlines£70430% OFF£1,006 £704 -
WAS 13:0017h 25m1 stopsPOA Invalid DateWashington D.C. - Porto Alegre | Fri, Jun 27 | Normal Airline
POA 15:006hDirectWAS 16:00Porto Alegre - Washington D.C. | Sun, Jun 29 | Normal AirlineFind More FlightsFind More Flights
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IAD 02:2120h 54m1 stopsPOA 00:15Washington D.C. - Porto Alegre | Wed, Jun 25 | Copa Airlines£156 £1,35389% OFF89% OFF£1,353 £156
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IAD 22:3534h 15m1 stopsPOA 09:50Washington D.C. - Porto Alegre | Thu, Aug 21 | United Airlines£223 £1,35384% OFF84% OFF£1,353 £223
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IAD 22:3517h 15m1 stopsPOA 16:50Washington D.C. - Porto Alegre | Wed, Aug 13 | United Airlines£224 £1,35383% OFF83% OFF£1,353 £224
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IAD 22:3513h 45m1 stopsPOA 13:20Washington D.C. - Porto Alegre | Sun, Jul 6 | United Airlines£22583% OFF£1,353 £225
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IAD 22:3514h 5m1 stopsPOA 13:40Washington D.C. - Porto Alegre | Tue, Aug 12 | United Airlines£22783% OFF£1,353 £227
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IAD 22:3517h 15m1 stopsPOA 16:50Washington D.C. - Porto Alegre | Wed, Jul 2 | United Airlines£39171% OFF£1,353 £391
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IAD 22:3518h 20m1 stopsPOA 17:55Washington D.C. - Porto Alegre | Fri, Jul 11 | United Airlines£58556% OFF£1,353 £585
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IAD 22:3517h 25m1 stopsPOA 17:00Washington D.C. - Porto Alegre | Sun, Jul 20 | United Airlines£60455% OFF£1,353 £604
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IAD 22:3532h 45m1 stopsPOA 08:20Washington D.C. - Porto Alegre | Sun, Jun 29 | United Airlines£61155% OFF£1,353 £611
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IAD 22:3518h 20m1 stopsPOA 17:55Washington D.C. - Porto Alegre | Fri, Jul 4 | United Airlines£94830% OFF£1,353 £948
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WAS 13:0017h 25m1 stopsPOA Invalid DateWashington D.C. - Porto Alegre | Fri, Jun 27 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Information from Washington D.C. to Porto Alegre
| Cheapest one-way flight price | £155 |
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| Off-season travel month | April |
| Peak season for travel | May |
| Flight distance | 8,114.12km |
| Popular airline | United Airlines |
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FAQ
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When are flight tickets from Washington D.C. (WAS) to Porto Alegre (POA) the cheapest?
Airlines adjust prices for flights from Washington D.C. to Porto Alegre based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much are flights from Washington D.C. (WAS) to Porto Alegre (POA) cost?
According to Trip.com's data, the lowest price is around £713. -
How many airports in Porto Alegre (POA)?
There are 1 airport(s) in Porto Alegre (POA): Salgado Filho Porto Alegre International Airport.
How to find a cheap flight from Washington D.C. to Porto Alegre
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Washington D.C. to Porto Alegre. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest flight from Washington D.C. to Porto Alegre.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Washington D.C. to Porto Alegre over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Wed, Jun 25, with one-way flights priced at just £156.
Compare cheap flight deals from Washington D.C. to Porto Alegre across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Washington D.C. to Porto Alegre. The cheapest airline for this route is Copa Airlines.
Set up a Price Alert
By setting up a Price Alert for your journey from Washington D.C. to Porto Alegre, you can easily keep an eye on ticket prices without having to check every day.
Don't miss out on cheap flight deals and promo codes from Washington D.C. to Porto Alegre.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Washington D.C. to Porto Alegre and snag some exclusive deals just for you.
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