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$418+ Cheap flights from Dulles Intl (IAD) to Curitiba (CWB)

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWB
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Find flight deals from Dulles Intl to Curitiba

Cheapest flights from Dulles Intl to Curitiba
Explore the most affordable flight options available from Dulles Intl to Curitiba. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This American Airlines deal was found by Cheapflights users on 11/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:05 amIAD - CWB
2 stops30h 05mAmerican Airlines
Thu 1/297:45 pmCWB - IAD
2 stops27h 32mAmerican Airlines
Deal found 11/24$634
This United Airlines deal was found by Cheapflights users on 11/26. 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 12/3010:30 pmIAD - CWB
1 stop13h 55mUnited Airlines
Thu 1/293:10 pmCWB - IAD
2 stops26h 50mUnited Airlines
Deal found 11/26$843
This Copa Airlines deal was found by Cheapflights users on 11/24. 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.
Mon 12/291:13 amIAD - CWB
2 stops27h 27mCopa Airlines
Thu 1/298:40 pmCWB - IAD
2 stops28h 50mCopa Airlines
Deal found 11/24$2,220

Cheap flight deals from Dulles Intl to Curitiba

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Curitiba (CWB). 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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$634
(American Airlines)

One-way from

$418
(FlightHub)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Curitiba Afonso Pena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Curitiba Afonso Pena flights.
Search Deals
From Washington, D.C. Dulles Intl to Curitiba Afonso Pena
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One-way flight from Washington, D.C. Dulles Intl to Curitiba Afonso Pena
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Curitiba 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 26, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Curitiba that are best for you.

Fly from

Dulles Intl

Fly to

Curitiba

Route

Depart

Return

Price

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Tue 12/30

6:05 am-2:10 pm

2 stops30h 05m

Curitiba Afonso Pena

Thu 1/29

6:35 pm-9:17 pm

2 stops28h 42m

$635

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Tue 4/14

8:53 am-11:15 am

3 stops25h 22m

Curitiba Afonso Pena

Tue 4/28

7:00 pm-4:07 pm

2 stops22h 07m

$638

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Wed 4/22

1:00 pm-6:35 am

2 stops16h 35m

Curitiba Afonso Pena

Mon 4/27

6:30 pm-12:01 pm

2 stops18h 31m

$639

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Tue 4/14

12:30 pm-2:00 pm

2 stops24h 30m

Curitiba Afonso Pena

Tue 4/28

6:40 pm-7:16 pm

2 stops25h 36m

$639

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Tue 1/27

7:49 pm-12:05 am

2 stops26h 16m

Curitiba Afonso Pena

Wed 2/4

7:15 pm-11:43 am

2 stops18h 28m

$645

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Wed 4/22

5:45 am-6:50 am

3 stops24h 05m

Curitiba Afonso Pena

Mon 4/27

10:50 pm-5:35 am

2 stops31h 45m

$695

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Sat 1/31

10:47 am-6:45 am

2 stops41h 58m

Curitiba Afonso Pena

Sat 2/21

8:00 am-9:08 am

2 stops27h 08m

$730

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Thu 4/2

1:19 pm-8:45 am

2 stops42h 26m

Curitiba Afonso Pena

Sun 4/12

6:40 pm-7:16 pm

2 stops25h 36m

$736

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Sun 3/15

11:30 pm-2:25 pm

1 stop13h 55m

Curitiba Afonso Pena

Thu 3/19

6:45 pm-6:40 am

1 stop12h 55m

$807

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Mon 1/12

5:45 am-7:05 pm

2 stops35h 20m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Showing 1-10 of 16 results
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Compare providers for flights from Dulles Intl to Curitiba

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Curitiba in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Curitiba flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Curitiba flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Curitiba flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Curitiba flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Curitiba flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Curitiba

Have a flexible travel schedule? Discover the best time to fly to Curitiba from Dulles Intl 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 Dulles Intl to Curitiba. 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 into for flights to Curitiba from Washington, D.C. Dulles Intl?

    Most people fly into Curitiba Afonso Pena (CWB) if they book a flight to Curitiba from Washington, D.C. Dulles Intl. On average, Afonso Pena has 0 inbound flights from Washington, D.C. Dulles Intl per day from 0 airlines. Curitiba Afonso Pena is conveniently located just 9.2 mi from Curitiba’s city center.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Curitiba?

    Departing from Washington, D.C. Dulles Intl Airport to Curitiba will take you 16h 35m. Washington, D.C. Dulles Intl Airport and Curitiba are separated by a distance of 4812 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Curitiba one-way?

    The cheapest airline one-way is LATAM Airlines, with whom users have recently found tickets for as low as $438. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Curitiba for a low price.

  • Can I find deals for flights from Dulles Intl to Curitiba that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Curitiba flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Curitiba?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Curitiba.

  • Can I find deals for business class flights from Dulles Intl to Curitiba?

    Yes. Cheapflights offers flight deals from Dulles Intl to Curitiba by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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