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$432+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWB
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/3. 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 12/3010:33 pmIAD - CWB
2 stops37h 52mUnited Airlines
Thu 1/293:10 pmCWB - IAD
2 stops28h 25mUnited Airlines
Deal found 12/3$626
This LATAM Airlines deal was found by Cheapflights users on 12/4. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:17 pmIAD - CWB
2 stops22h 18mLATAM Airlines
Sat 1/318:00 amCWB - IAD
2 stops18h 24mLATAM Airlines
Deal found 12/4$753
This LATAM Airlines deal was found by Cheapflights users on 12/4. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:59 pmIAD - CWB
2 stops18h 11mLATAM Airlines
Thu 1/298:00 amCWB - IAD
2 stops38h 45mLATAM Airlines
Deal found 12/4$759
This Avianca deal was found by Cheapflights users on 12/2. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:35 pmIAD - CWB
2 stops50h 30mAvianca
Thu 1/297:45 pmCWB - IAD
2 stops19h 30mAvianca
Deal found 12/2$803
This United Airlines deal was found by Cheapflights users on 12/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:30 pmIAD - CWB
1 stop34h 30mUnited Airlines
Sat 1/315:25 pmCWB - IAD
2 stops19h 59mUnited Airlines
Deal found 12/4$1,066
This Mytrip deal was found by Cheapflights users on 12/2. 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.
Sun 12/215:45 amIAD - CWB
2 stops20h 50mMultiple Airlines
Sun 1/47:05 pmCWB - IAD
3 stops34h 05mMultiple Airlines
Deal found 12/2$2,132
This American Airlines deal was found by Cheapflights users on 12/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:57 pmIAD - CWB
3 stops20h 48mAmerican Airlines
Sat 1/316:25 pmCWB - IAD
2 stops24h 06mAmerican Airlines
Deal found 12/4$2,169

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 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$626
(United Airlines)

One-way from

$432
(KAYAK)
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
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Curitiba Afonso Pena
Search Deals

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 4, 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

10:33 pm-2:25 pm

2 stops37h 52m

Curitiba Afonso Pena

Thu 1/29

3:10 pm-5:35 pm

2 stops28h 25m

$626

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

Tue 4/21

4:05 am-11:15 am

3 stops30h 10m

Curitiba Afonso Pena

Mon 4/27

10:50 pm-5:35 am

2 stops31h 45m

$700

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Fri 12/26

4:17 pm-4:35 pm

2 stops22h 18m

Curitiba Afonso Pena

Sat 1/31

8:00 am-12:24 am

2 stops18h 24m

$753

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Tue 12/30

6:59 pm-3:10 pm

2 stops18h 11m

Curitiba Afonso Pena

Thu 1/29

8:00 am-8:45 pm

2 stops38h 45m

$759

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Mon 2/16

7:51 pm-5:05 pm

2 stops19h 14m

Curitiba Afonso Pena

Mon 2/23

8:00 am-12:24 am

2 stops18h 24m

$760

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

Fri 1/9

9:00 am-6:45 am

2 stops19h 45m

$432

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Mon 1/12

2:35 pm-7:05 pm

2 stops26h 30m

$448

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Mon 1/12

5:45 am-8:40 am

2 stops24h 55m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 13 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 26h 16m. 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.

See more FAQs

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