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$304+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWB
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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 1/296:35 pmCWB - IAD
2 stops23h 56mAmerican Airlines
Deal found 12/16$817
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/306:30 amIAD - CWB
2 stops29h 55mUnited Airlines
Thu 1/293:10 pmCWB - IAD
1 stop17h 25mUnited Airlines
Deal found 12/16$1,037

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$633
(LATAM Airlines)

One-way from

$304
(American Airlines)
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 December 18, 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

Wed 1/21

3:42 pm-4:55 pm

2 stops23h 13m

Curitiba Afonso Pena

Tue 1/27

11:25 am-11:43 am

2 stops26h 18m

$633

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Tue 1/27

6:00 am-2:10 pm

2 stops30h 10m

Curitiba Afonso Pena

Wed 2/4

7:20 pm-4:31 pm

2 stops23h 11m

$635

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Thu 3/19

1:19 pm-10:40 am

2 stops20h 21m

Curitiba Afonso Pena

Mon 3/23

8:00 am-12:26 am

2 stops17h 26m

$641

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Tue 3/24

7:59 pm-5:05 pm

2 stops20h 06m

Curitiba Afonso Pena

Fri 3/27

7:00 am-12:26 am

2 stops18h 26m

$645

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Wed 3/25

7:59 pm-5:05 pm

2 stops20h 06m

Curitiba Afonso Pena

Fri 3/27

5:05 pm-12:39 pm

2 stops20h 34m

$645

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Thu 1/15

3:00 pm-6:45 am

2 stops37h 45m

Curitiba Afonso Pena

Thu 1/22

8:00 am-11:44 am

2 stops29h 44m

$669

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

$690

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Fri 1/30

5:45 am-10:35 am

2 stops26h 50m

Curitiba Afonso Pena

Fri 2/6

11:20 pm-4:25 am

2 stops31h 05m

$769

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Mon 3/9

3:35 pm-10:25 am

2 stops17h 50m

Curitiba Afonso Pena

Wed 3/11

7:20 pm-2:15 pm

2 stops43h 55m

$802

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Wed 1/28

5:26 pm-2:10 pm

2 stops18h 44m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 20 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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 20h 06m. 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.

  • 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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