HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Curitiba

$317+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWB
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Curitiba with Cheapflights

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 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 August 16, 2025.

Round-trip from

$630
(United Airlines)

One-way from

$317
(United Airlines)

Popular in

August

Cheapest in

May

Average price

$1,551
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
Highest demand for flights based on searches. 13% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 August 16, 2025.

This United Airlines deal was found by Cheapflights users on 8/15. 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 8/1510:35 pmIAD - CWB
1 stop17h 15mUnited Airlines
Wed 8/206:35 pmCWB - IAD
2 stops21h 13mUnited Airlines
Deal found 8/15$630
This Air Canada deal was found by Cheapflights users on 8/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:45 amIAD - CWB
2 stops26h 40mAir Canada
Thu 1/293:05 pmCWB - IAD
2 stops31h 24mAir Canada
Deal found 8/16$726
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/910:35 pmIAD - CWB
1 stop15h 00mUnited Airlines
Wed 9/173:05 pmCWB - IAD
1 stop16h 20mUnited Airlines
Deal found 8/13$803
This Avianca deal was found by Cheapflights users on 8/15. 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 05mAvianca
Thu 1/2911:25 amCWB - IAD
2 stops27h 50mAvianca
Deal found 8/15$807
This LATAM Airlines deal was found by Cheapflights users on 8/14. 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 12/304:41 pmIAD - CWB
2 stops23h 59mLATAM Airlines
Thu 1/299:40 amCWB - IAD
2 stops25h 31mLATAM Airlines
Deal found 8/14$814
This United Airlines deal was found by Cheapflights users on 8/15. 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 8/1510:35 pmIAD - CWB
1 stop17h 15mUnited Airlines
Tue 8/196:35 pmCWB - IAD
2 stops20h 14mUnited Airlines
Deal found 8/15$831
This United Airlines deal was found by Cheapflights users on 8/14. 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 1/293:05 pmCWB - IAD
2 stops33h 31mUnited Airlines
Deal found 8/14$882
This FlightHub deal was found by Cheapflights users on 8/15. 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.
Sat 8/1612:13 pmIAD - CWB
2 stops21h 37mLATAM Airlines
Sat 8/237:25 pmCWB - IAD
2 stops17h 37mLATAM Airlines
Deal found 8/15$910
This Flightnetwork deal was found by Cheapflights users on 8/13. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:25 amIAD - CWB
3 stops33h 10mAvianca
Wed 9/177:15 pmCWB - IAD
2 stops19h 45mAvianca
Deal found 8/13$1,037

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 August 16, 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 9/9

10:35 pm-5:55 pm

1 stop18h 20m

Curitiba Afonso Pena

Wed 9/17

3:05 pm-11:55 am

2 stops21h 50m

$630

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Tue 12/30

9:45 am-2:25 pm

2 stops26h 40m

Curitiba Afonso Pena

Thu 1/29

3:05 pm-8:29 pm

2 stops31h 24m

$726

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Tue 12/30

2:35 pm-6:40 pm

2 stops50h 05m

Curitiba Afonso Pena

Thu 1/29

11:25 am-1:15 pm

2 stops27h 50m

$807

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Tue 12/30

4:41 pm-6:40 pm

2 stops23h 59m

Curitiba Afonso Pena

Thu 1/29

9:40 am-9:11 am

2 stops25h 31m

$814

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Tue 12/30

10:30 pm-2:25 pm

1 stop13h 55m

Curitiba Afonso Pena

Thu 1/29

3:05 pm-10:36 pm

2 stops33h 31m

$882

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Tue 9/9

8:25 am-6:35 pm

3 stops33h 10m

Curitiba Afonso Pena

Wed 9/17

7:15 pm-2:00 pm

2 stops19h 45m

$1,037

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Sat 8/23

10:10 pm-2:35 pm

2 stops39h 25m

$317

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Fri 11/7

2:35 pm-10:35 am

2 stops18h 00m

$363

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Fri 11/7

5:45 am-8:40 am

2 stops24h 55m

$369

Washington, D.C.Curitiba

IAD - CWB

IADCWB

Washington, D.C. Dulles Intl

Sat 8/23

5:05 pm-6:40 am

3 stops36h 35m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Showing 1-10 of 13 results
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Curitiba

What is the cheapest time of day to fly from IAD to CWB?

Find hourly flight availability from Dulles Intl to Curitiba. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 16, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Curitiba at noon. Doing so could potentially save you 37% on the flight price compared to flying in the morning, which is usually more expensive.

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.

  • 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.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Curitiba?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Curitiba (average of $697). Flying from Washington, D.C. Dulles Intl Airport to Curitiba in December is currently the most expensive (average of $1,245). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Curitiba

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Curitiba flights
Baltimore to Curitiba flights
Baltimore to Foz do Iguaçu flights
Dulles Intl to Foz do Iguaçu flights
Dulles Intl to Londrina flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.