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$340+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWB
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap 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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$617
(United Airlines)

One-way from

$340
(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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Find flight deals from Seattle to Curitiba

Cheapest flights from Seattle to Curitiba
Explore the most affordable flight options available from Seattle to Curitiba. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/6. 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 1/612:57 pmSEA - CWB
2 stops24h 13mUnited Airlines
Mon 2/22:55 pmCWB - SEA
2 stops32h 19mUnited Airlines
Deal found 1/6$610
This United Airlines deal was found by Cheapflights users on 1/6. 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.
Mon 3/96:45 amSEA - CWB
2 stops27h 40mUnited Airlines
Thu 3/123:00 pmCWB - SEA
2 stops32h 03mUnited Airlines
Deal found 1/6$617
This United Airlines deal was found by Cheapflights users on 1/8. 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.
Wed 2/252:20 pmSEA - CWB
2 stops43h 05mUnited Airlines
Mon 3/96:45 pmCWB - SEA
2 stops28h 18mUnited Airlines
Deal found 1/8$627
This United Airlines deal was found by Cheapflights users on 1/6. 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 5/1611:00 pmSEA - CWB
2 stops35h 25mUnited Airlines
Mon 6/16:45 pmCWB - SEA
2 stops28h 14mUnited Airlines
Deal found 1/6$628
This United Airlines deal was found by Cheapflights users on 1/8. 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 2/2211:59 pmSEA - CWB
2 stops30h 01mUnited Airlines
Fri 3/66:45 pmCWB - SEA
2 stops21h 25mUnited Airlines
Deal found 1/8$707
This KAYAK deal was found by Cheapflights users on 1/6. 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.
Mon 5/187:20 amSEA - CWB
2 stops30h 20mLATAM Airlines
Sun 5/316:40 pmCWB - SEA
2 stops28h 53mLATAM Airlines
Deal found 1/6$785
This KAYAK deal was found by Cheapflights users on 1/6. 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.
Mon 5/189:30 amSEA - CWB
2 stops28h 10mLATAM Airlines
Mon 6/111:45 amCWB - SEA
2 stops38h 14mLATAM Airlines
Deal found 1/6$791
This Delta deal was found by Cheapflights users on 1/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:00 pmSEA - CWB
2 stops36h 00mDelta
Sun 5/316:40 pmCWB - SEA
2 stops22h 18mDelta
Deal found 1/6$792
This Delta deal was found by Cheapflights users on 1/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:15 amSEA - CWB
2 stops21h 00mDelta
Sun 2/227:15 pmCWB - SEA
2 stops22h 43mDelta
Deal found 1/8$797

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 January 8, 2026.
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

Wed 3/4

10:55 am-11:00 am

2 stops19h 05m

Curitiba Afonso Pena

Sun 3/15

7:10 pm-7:03 pm

2 stops27h 53m

$617

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Sat 2/28

11:59 pm-11:00 am

2 stops30h 01m

Curitiba Afonso Pena

Thu 3/12

6:45 pm-7:03 pm

2 stops28h 18m

$617

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Mon 3/9

6:45 am-2:25 pm

2 stops27h 40m

Curitiba Afonso Pena

Thu 3/12

3:00 pm-7:03 pm

2 stops32h 03m

$617

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Sat 3/7

11:47 pm-11:00 am

2 stops30h 13m

Curitiba Afonso Pena

Thu 3/19

6:45 pm-8:56 pm

2 stops30h 11m

$627

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Wed 2/25

2:20 pm-2:25 pm

2 stops43h 05m

Curitiba Afonso Pena

Mon 3/9

6:45 pm-7:03 pm

2 stops28h 18m

$627

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Sat 5/16

11:00 pm-2:25 pm

2 stops35h 25m

Curitiba Afonso Pena

Mon 6/1

6:45 pm-6:59 pm

2 stops28h 14m

$628

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Mon 2/23

7:00 am-11:00 am

2 stops23h 00m

Curitiba Afonso Pena

Fri 3/6

6:45 pm-11:10 am

2 stops21h 25m

$707

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Sun 2/22

11:59 pm-11:00 am

2 stops30h 01m

Curitiba Afonso Pena

Fri 3/6

6:45 pm-11:10 am

2 stops21h 25m

$707

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Tue 2/24

5:55 pm-2:40 pm

3 stops39h 45m

$340

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Thu 5/14

11:15 am-3:00 pm

2 stops23h 45m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 14 results
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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 January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 January 8, 2026.
Read reviews from past customers who have flown United 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.
United Airlines
7.4
Good
9,139 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,139 reviews
United Airlines
7.4
Good
9,139 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 19h 05m. 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 United Airlines. Our recent data shows that you can find tickets from as low as $492 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

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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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$492Average$742FlexibilityNo cancel feeOn-time69%

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