$371+ Cheap flights from District of Columbia to Porto Alegre (POA)
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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — POA
Dec 6 — Dec 131
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from District of Columbia to Porto Alegre
Keep the following information in mind while searching for District of Columbia to Porto Alegre flight deals. Data was last updated November 6, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $672 (MaxMilhas) |
One-way from | $371 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $674 |
Find flight deals from District of Columbia to Porto Alegre
Cheapest flights from District of Columbia to Porto AlegreExplore the most affordable flight options available from District of Columbia to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.
Explore the most affordable flight options available from District of Columbia to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.
This FlightHub deal was found by Cheapflights users on 11/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:35 pmIAD - POA
2 stops32h 20mMultiple Airlines
Wed 12/1011:40 amPOA - IAD
2 stops27h 35mMultiple Airlines
Deal found 11/5![Multiple Airlines logo]()
$930
This Copa Airlines deal was found by Cheapflights users on 11/5. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:13 amIAD - POA
1 stop21h 17mCopa Airlines
Tue 12/91:35 amPOA - IAD
1 stop23h 58mCopa Airlines
Deal found 11/5![Copa Airlines logo]()
$1,339
This Ovago deal was found by Cheapflights users on 11/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:59 pmIAD - POA
2 stops33h 31mLATAM Airlines
Sat 12/276:00 pmPOA - IAD
2 stops24h 48mLATAM Airlines
Deal found 11/5![LATAM Airlines logo]()
$1,515
This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/204:15 pmIAD - POA
3 stops30h 25mMultiple Airlines
Sat 12/2712:45 pmPOA - IAD
2 stops17h 40mMultiple Airlines
Deal found 11/5![Multiple Airlines logo]()
$2,339
This business-class.com deal was found by Cheapflights users on 11/4. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1712:30 pmIAD - POA
2 stops18h 45mLATAM Airlines
Thu 1/14:40 amPOA - IAD
3 stops21h 32mLATAM Airlines
Deal found 11/4![LATAM Airlines logo]()
$2,456
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Sat 12/2010:30 pmIAD - POA
1 stop14h 20mUnited Airlines
Sat 12/271:25 pmPOA - IAD
1 stop19h 10mUnited Airlines
Deal found 11/5![United Airlines logo]()
$2,768
This FlightHub deal was found by Cheapflights users on 11/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1610:08 amIAD - POA
2 stops28h 52mLATAM Airlines
Wed 12/314:40 amPOA - IAD
2 stops31h 06mLATAM Airlines
Deal found 11/4![LATAM Airlines logo]()
$3,200
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from District of Columbia to Porto Alegre that are best for you.
Fly from
District of Columbia
Fly to
Porto Alegre
Route
Depart
Return
Price
Washington, D.C.Porto Alegre
IAD - POA
IADPOA
Washington, D.C. Dulles Intl
Mon 3/2
7:07 pm-2:05 pm
2 stops16h 58m
Porto Alegre Salgado Filho
Sun 3/15
2:05 pm-6:42 pm
2 stops29h 37m
$687
Washington, D.C.Porto Alegre
IAD - POA
IADPOA
Washington, D.C. Dulles Intl
Mon 3/2
8:29 am-12:25 am
1 stop13h 56m
Porto Alegre Salgado Filho
Fri 3/13
1:30 am-12:32 am
1 stop24h 02m
$696
Washington, D.C.Porto Alegre
IAD - POA
IADPOA
Washington, D.C. Dulles Intl
Sun 3/1
1:18 am-12:25 am
1 stop21h 07m
Porto Alegre Salgado Filho
Sat 3/14
1:30 am-12:32 am
1 stop24h 02m
$711
Washington, D.C.Porto Alegre
IAD - POA
IADPOA
Washington, D.C. Dulles Intl
Tue 3/24
7:59 pm-7:20 pm
2 stops22h 21m
Porto Alegre Salgado Filho
Fri 3/27
12:30 pm-2:51 pm
2 stops27h 21m
$749
Washington, D.C.Porto Alegre
IAD - POA
IADPOA
Washington, D.C. Dulles Intl
Mon 3/23
2:18 am-12:25 am
1 stop21h 07m
Porto Alegre Salgado Filho
Thu 3/26
1:30 am-4:15 am
1 stop27h 45m
$820
Washington, D.C.Porto Alegre
IAD - POA
IADPOA
Washington, D.C. Dulles Intl
Wed 12/3
8:22 am-12:30 am
1 stop14h 08m
Porto Alegre Salgado Filho
Tue 12/9
1:35 am-11:33 pm
1 stop23h 58m
$1,374
Washington, D.C.Porto Alegre
IAD - POA
IADPOA
Washington, D.C. Dulles Intl
Thu 12/11
5:45 am-12:30 am
2 stops40h 45m
$371
Washington, D.C.Porto Alegre
IAD - POA
IADPOA
Washington, D.C. Dulles Intl
Tue 1/6
12:23 pm-1:05 am
2 stops34h 42m
$429
Washington, D.C.Porto Alegre
IAD - POA
IADPOA
Washington, D.C. Dulles Intl
Fri 1/9
1:12 am-12:30 am
1 stop21h 18m
$524
Washington, D.C.Porto Alegre
IAD - POA
IADPOA
Washington, D.C. Dulles Intl
Mon 1/5
1:12 am-12:30 am
1 stop21h 18m
$524
Showing 1-10 of 11 results
Best time to book a flight from District of Columbia to Porto Alegre
Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from District of Columbia 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.
Cheapflights Insights
Everything you need to know about your flight from District of Columbia to Porto Alegre
What is the cheapest time of day to fly from DC to POA?
Find hourly flight availability from District of Columbia to Porto Alegre. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.
Unlike at noon, when flights are generally more expensive, you can save up to 31% on flights from District of Columbia to Porto Alegre by exploring options for tickets in the afternoon.
Related info for your journey
Find useful and relevant information for your journey from District of Columbia to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for District of Columbia to Porto Alegre
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from District of Columbia to Porto Alegre
Discover the top 2 airlines that operate flights from District of Columbia to Porto Alegre. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$428 | Average$485 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$798 | Average$809 | FlexibilityNo cancel fee | On-time81% |