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$421+ Cheap flights from Seattle (SEA) 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWB
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Seattle to Curitiba

Best flights from Seattle to Curitiba
Discover carefully curated flight deals from Seattle to Curitiba that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This United Airlines deal was found by Cheapflights users on 12/21. 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.
Sun 1/45:00 amSEA - CWB
2 stops32h 10mUnited Airlines
Tue 2/32:55 pmCWB - SEA
3 stops30h 06mUnited Airlines
Deal found 12/21$603
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:15 amSEA - CWB
2 stops29h 25mLATAM Airlines
Wed 4/16:30 pmCWB - SEA
2 stops24h 05mLATAM Airlines
Deal found 12/21$789
This American Airlines deal was found by Cheapflights users on 12/21. 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 1/610:50 amSEA - CWB
2 stops26h 00mAmerican Airlines
Mon 2/27:20 pmCWB - SEA
2 stops25h 14mAmerican Airlines
Deal found 12/21$924
This United Airlines deal was found by Cheapflights users on 12/20. 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 3/37:00 amSEA - CWB
2 stops30h 10mUnited Airlines
Thu 3/196:45 pmCWB - SEA
2 stops32h 00mUnited Airlines
Deal found 12/20$624
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Thu 3/57:00 amSEA - CWB
2 stops30h 10mUnited Airlines
Mon 3/93:05 pmCWB - SEA
2 stops31h 58mUnited Airlines
Deal found 12/20$715
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Thu 2/52:10 pmSEA - CWB
2 stops39h 50mUnited Airlines
Thu 2/123:00 pmCWB - SEA
2 stops33h 03mUnited Airlines
Deal found 12/21$873
This United Airlines deal was found by Cheapflights users on 12/22. 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 1/611:00 amSEA - CWB
2 stops19h 00mUnited Airlines
Mon 2/26:50 pmCWB - SEA
3 stops26h 11mUnited Airlines
Deal found 12/22$991

Find flight deals from Seattle to Curitiba

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) 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 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$603
(United Airlines)

One-way from

$421
(Kiwi.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Curitiba Afonso Pena flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Curitiba Afonso Pena flights.
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From Seattle/Tacoma Intl to Curitiba Afonso Pena
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One-way flight from Seattle/Tacoma Intl to Curitiba Afonso Pena
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 23, 2025.
Use the filters below to find and compare flights from Seattle to Curitiba that are best for you.

Fly from

Seattle

Fly to

Curitiba

Route

Depart

Return

Price

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Sun 1/4

5:00 am-6:10 pm

2 stops32h 10m

Curitiba Afonso Pena

Tue 2/3

2:55 pm-4:01 pm

3 stops30h 06m

$603

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Tue 3/3

7:00 am-6:10 pm

2 stops30h 10m

Curitiba Afonso Pena

Thu 3/19

6:45 pm-10:45 pm

2 stops32h 00m

$624

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Thu 3/5

7:00 am-6:10 pm

2 stops30h 10m

Curitiba Afonso Pena

Mon 3/9

3:05 pm-7:03 pm

2 stops31h 58m

$715

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Wed 3/18

7:15 am-4:40 pm

2 stops29h 25m

Curitiba Afonso Pena

Wed 4/1

6:30 pm-2:35 pm

2 stops24h 05m

$789

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Thu 2/5

2:10 pm-11:00 am

2 stops39h 50m

Curitiba Afonso Pena

Thu 2/12

3:00 pm-7:03 pm

2 stops33h 03m

$873

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Tue 1/6

10:50 am-5:50 pm

2 stops26h 00m

Curitiba Afonso Pena

Mon 2/2

7:20 pm-3:34 pm

2 stops25h 14m

$924

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Tue 1/6

11:00 am-11:00 am

2 stops19h 00m

Curitiba Afonso Pena

Mon 2/2

6:50 pm-4:01 pm

3 stops26h 11m

$991

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Wed 1/21

12:59 pm-9:15 am

3 stops39h 16m

$421

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Thu 1/22

10:51 am-6:20 am

3 stops38h 29m

$425

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Fri 1/23

5:52 pm-10:40 am

3 stops35h 48m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 16 results
1
2

Compare providers for flights from Seattle 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 Seattle 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 Seattle-Curitiba flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Curitiba flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Curitiba flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-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 Seattle-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 Seattle to Curitiba

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

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 December 23, 2025.
Read reviews from past customers who have flown LATAM Airlines from Seattle to Curitiba. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,894 reviews

Comfort

7.3

Overall

7.5

Entertainment

7.0

Boarding

7.6

Crew

8.0

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
LATAM Airlines
7.5
Good
1,894 reviews
LATAM Airlines
7.5
Good
1,894 reviews

Comfort

7.3

Overall

7.5

Entertainment

7.0

Boarding

7.6

Crew

8.0

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Related info for your journey

Find useful and relevant information for your journey from Seattle 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 Seattle to Curitiba?

    United Airlines can get you from Seattle to Curitiba in just under 32h 10m. Your travel time can differ by up to . The distance between Seattle and Curitiba is about 6771 mi.

  • What is the cheapest airline to fly from Seattle to Curitiba round-trip?

    Our cheapest airline available from Seattle to Curitiba is LATAM Airlines. Our recent data shows that you can find tickets from as low as $1,011 on this airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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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Alternative routes for Seattle to Curitiba

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Curitiba flights

Top airline flying from Seattle to Curitiba

Discover the top airline that operate flights from Seattle 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$1,011Average$1,371FlexibilityNo cancel feeOn-time81%

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