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Curitiba

$443+ Cheap flights from Boston (BOS) 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CWB
Apr 28 — May 51
Tue 4/28
Tue 5/5
1 adult, Economy
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Cheap flight deals from Boston to Curitiba

Cheapest flights from Boston to Curitiba
Explore the most affordable flight options available from Boston to Curitiba. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 29, 2026.

This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:22 pm
BOS
-
CWB
2 stops41h 03m
United Airlines
Wed 9/233:05 pm
CWB
-
BOS
2 stops19h 46m
United Airlines
Deal found 3/24$666
This LATAM Airlines deal was found by Cheapflights users on 3/28. 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.
Mon 11/28:55 am
BOS
-
CWB
2 stops27h 50m
LATAM Airlines
Thu 11/53:30 pm
CWB
-
BOS
2 stops17h 05m
LATAM Airlines
Deal found 3/28$723
This United Airlines deal was found by Cheapflights users on 3/26. 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 4/75:25 pm
BOS
-
CWB
2 stops16h 45m
United Airlines
Wed 5/273:05 pm
CWB
-
BOS
2 stops19h 48m
United Airlines
Deal found 3/26$738
This BusinessClass deal was found by Cheapflights users on 3/25. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:25 pm
BOS
-
CWB
2 stops42h 45m
GOL
Wed 9/166:15 pm
CWB
-
BOS
2 stops22h 04m
GOL
Deal found 3/25$739
This BusinessClass deal was found by Cheapflights users on 3/25. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/123:41 pm
BOS
-
CWB
2 stops18h 09m
GOL
Wed 8/263:40 pm
CWB
-
BOS
2 stops25h 37m
GOL
Deal found 3/25$740
This Avianca deal was found by Cheapflights users on 3/26. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:45 am
BOS
-
CWB
2 stops24h 25m
Avianca
Wed 9/2311:30 am
CWB
-
BOS
2 stops20h 40m
Avianca
Deal found 3/26$761
This Justfly.com deal was found by Cheapflights users on 3/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:00 pm
BOS
-
CWB
2 stops16h 55m
LATAM Airlines
Wed 9/169:50 pm
CWB
-
BOS
2 stops34h 45m
LATAM Airlines
Deal found 3/25$768
This American Airlines deal was found by Cheapflights users on 3/25. 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 4/1412:44 pm
BOS
-
CWB
2 stops21h 26m
American Airlines
Mon 5/47:30 pm
CWB
-
BOS
2 stops17h 21m
American Airlines
Deal found 3/25$777
This American Airlines deal was found by Cheapflights users on 3/25. 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 4/1411:34 am
BOS
-
CWB
2 stops22h 36m
American Airlines
Wed 5/273:40 pm
CWB
-
BOS
2 stops22h 06m
American Airlines
Deal found 3/25$778
This Trip.com deal was found by Cheapflights users on 3/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:55 am
BOS
-
CWB
1 stop20h 15m
LATAM Airlines
Wed 8/267:20 pm
CWB
-
BOS
1 stop13h 15m
LATAM Airlines
Deal found 3/25$779
This BusinessClass deal was found by Cheapflights users on 3/24. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:20 pm
BOS
-
CWB
2 stops42h 40m
GOL
Wed 5/273:40 pm
CWB
-
BOS
2 stops19h 26m
GOL
Deal found 3/24$791

Find flight deals from Boston to Curitiba

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$666
(United Airlines)

One-way from

$369
(Booking.com)

Popular in

December

Cheapest in

January

Average price

$816
Provider with most accurate pricing for Boston Logan Intl-Curitiba Afonso Pena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Curitiba Afonso Pena flights.
Search Deals
From Boston Logan Intl to Curitiba Afonso Pena
Search Deals
One-way flight from Boston Logan Intl to Curitiba Afonso Pena
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 March 29, 2026.
Use the filters below to find and compare flights from Boston to Curitiba that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonCuritiba

BOS - CWB

BOSCWB

Boston Logan Intl

Sat 9/19

8:22 pm-2:25 pm

2 stops41h 03m

Curitiba Afonso Pena

Wed 9/23

3:05 pm-9:51 am

2 stops19h 46m

$666

BostonCuritiba

BOS - CWB

BOSCWB

Boston Logan Intl

Tue 4/14

4:28 pm-6:10 pm

2 stops24h 42m

Curitiba Afonso Pena

Wed 5/27

3:05 pm-11:59 pm

2 stops33h 54m

$745

BostonCuritiba

BOS - CWB

BOSCWB

Boston Logan Intl

Sat 9/19

8:45 am-10:10 am

2 stops24h 25m

Curitiba Afonso Pena

Wed 9/23

11:30 am-7:10 am

2 stops20h 40m

$761

BostonCuritiba

BOS - CWB

BOSCWB

Boston Logan Intl

Tue 4/14

11:34 am-11:10 am

2 stops22h 36m

Curitiba Afonso Pena

Wed 5/27

3:40 pm-12:46 pm

2 stops22h 06m

$778

BostonCuritiba

BOS - CWB

BOSCWB

Boston Logan Intl

Sun 5/3

4:00 pm-11:00 am

2 stops18h 00m

Curitiba Afonso Pena

Sun 5/17

7:40 pm-11:08 pm

2 stops28h 28m

$812

BostonCuritiba

BOS - CWB

BOSCWB

Boston Logan Intl

Sun 5/3

8:59 pm-5:40 pm

2 stops43h 41m

Curitiba Afonso Pena

Sun 5/17

6:40 pm-3:08 pm

2 stops21h 28m

$830
Quickest round-trip

BostonCuritiba

BOS - CWB

BOSCWB

Boston Logan Intl

Thu 4/23

9:55 am-12:10 am

1 stop13h 15m

Curitiba Afonso Pena

Tue 4/28

6:40 pm-3:28 pm

2 stops21h 48m

$838

BostonCuritiba

BOS - CWB

BOSCWB

Boston Logan Intl

Tue 4/14

7:33 am-8:45 am

2 stops24h 12m

Curitiba Afonso Pena

Wed 5/27

9:45 am-7:35 am

1 stop22h 50m

$843

BostonCuritiba

BOS - CWB

BOSCWB

Boston Logan Intl

Sun 5/3

5:45 am-6:10 pm

2 stops35h 25m

Curitiba Afonso Pena

Sun 5/10

2:35 pm-11:59 pm

2 stops34h 24m

$869

BostonCuritiba

BOS - CWB

BOSCWB

Boston Logan Intl

Tue 5/19

4:00 pm-2:00 pm

2 stops21h 00m

Curitiba Afonso Pena

Mon 5/25

7:05 pm-2:44 pm

2 stops20h 39m

$879

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Boston 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 Boston to Curitiba in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
GurufarePrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice 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 Boston-Curitiba flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Curitiba flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Curitiba flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Curitiba flights, Cheapflights users trust FlightHub the most. FlightHub 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 Boston-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 Boston to Curitiba

Have a flexible travel schedule? Discover the best time to fly to Curitiba from Boston 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 Boston to Curitiba

How far ahead should I book a flight from Boston to Curitiba?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Curitiba. Price data was last updated on March 13, 2026.

To ensure you get the cheapest price possible for a flight from Boston to Curitiba, you should look to book at least 43 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Boston to Curitiba?

Currently, July is the cheapest month in which you can book a flight from Boston to Curitiba (average of $352). Flying from Boston to Curitiba in June is currently the most expensive (average of $755). 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.

How much does it cost to fly round-trip from Boston to Curitiba?

Reviews of airlines servicing Curitiba

Get insights into the airlines that provide service to Curitiba. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Curitiba. Reviews last updated March 29, 2026.
See what other customers who have flown with Delta,LATAM Airlines, andUnited Airlines from Boston to Curitiba have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,359 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,359 reviews
Delta
7.9
Good
8,359 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.4
Good
1,902 reviews
Delta
7.9
Good
8,359 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,508 reviews
Delta
7.9
Good
8,359 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
GOL
7.3
Good
1,199 reviews
Delta
7.9
Good
8,359 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,520 reviews
Delta
7.9
Good
8,359 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boston to Curitiba. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Curitiba?

    Departing from Boston to Curitiba will take you 22h 53m. Boston and Curitiba are separated by a distance of 4890 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 flying from Boston to Curitiba round-trip?

    Cheapflights users have booked flights from Boston to Curitiba round-trip from $352. Other airlines that can offer you cheap pricing are United Airlines, from $487, and LATAM Airlines, from $674. You may be able to fly from Boston to Curitiba for 58% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Boston to Curitiba one-way?

    One-way options have recently been found by users for as low as $292 on United Airlines. Other airlines that offer cheap prices include LATAM Airlines from $351 and American Airlines from $355 one-way.

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

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

  • How can I find direct flights from Boston to Curitiba?

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

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

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Curitiba?

    Currently, July is the cheapest month in which you can book a flight from Boston to Curitiba (average of $352). Flying from Boston to Curitiba in June is currently the most expensive (average of $755). 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

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Alternative routes for Boston to Curitiba

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Boston to Curitiba

Discover the top 5 airlines that operate flights from Boston to Curitiba. 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 March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$352Average$838FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$487Average$724FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$656Average$876FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$685Average$840FlexibilityNo cancel feeOn-time71%
GOLCheapest$718Average$1,499FlexibilityNo cancel feeOn-time74%

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