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$558+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWB
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$637
(United Airlines)

One-way from

$558
(Air Canada)
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 15, 2026.

This United Airlines deal was found by Cheapflights users on 1/13. 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.
Mon 3/92:15 pm
SEA
-
CWB
2 stops23h 55m
United Airlines
Thu 3/123:00 pm
CWB
-
SEA
2 stops32h 03m
United Airlines
Deal found 1/13$637
This United Airlines deal was found by Cheapflights users on 1/13. 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 3/38:17 am
SEA
-
CWB
2 stops28h 53m
United Airlines
Wed 3/253:00 pm
CWB
-
SEA
2 stops35h 45m
United Airlines
Deal found 1/13$647
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Mon 3/98:59 am
SEA
-
CWB
3 stops22h 01m
United Airlines
Tue 3/246:45 pm
CWB
-
SEA
2 stops28h 18m
United Airlines
Deal found 1/14$839
This Ovago deal was found by Cheapflights users on 1/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/307:35 am
SEA
-
CWB
2 stops26h 30m
Multiple Airlines
Wed 3/255:40 pm
CWB
-
SEA
2 stops22h 52m
Multiple Airlines
Deal found 1/14$949
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Fri 1/3012:57 pm
SEA
-
CWB
3 stops48h 13m
United Airlines
Wed 3/253:00 pm
CWB
-
SEA
2 stops35h 45m
United Airlines
Deal found 1/14$1,073
This KAYAK deal was found by Cheapflights users on 1/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/208:40 am
SEA
-
CWB
2 stops22h 00m
LATAM Airlines
Wed 7/85:10 am
CWB
-
SEA
2 stops20h 49m
LATAM Airlines
Deal found 1/15$1,090
This FlightHub deal was found by Cheapflights users on 1/15. 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 1/312:02 pm
SEA
-
CWB
2 stops35h 43m
LATAM Airlines
Sat 2/78:00 am
CWB
-
SEA
2 stops31h 07m
LATAM Airlines
Deal found 1/15$1,222
This Gotogate deal was found by Cheapflights users on 1/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:50 am
SEA
-
CWB
3 stops27h 35m
Multiple Airlines
Wed 3/253:00 pm
CWB
-
SEA
3 stops28h 01m
Multiple Airlines
Deal found 1/13$1,226

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 15, 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

Mon 3/9

2:15 pm-6:10 pm

2 stops23h 55m

Curitiba Afonso Pena

Thu 3/12

3:00 pm-7:03 pm

2 stops32h 03m

$637

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Mon 3/9

7:00 am-11:00 am

2 stops24h 00m

Curitiba Afonso Pena

Tue 3/24

3:00 pm-7:03 pm

2 stops32h 03m

$637

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Tue 3/3

8:17 am-6:10 pm

2 stops28h 53m

Curitiba Afonso Pena

Wed 3/25

3:00 pm-10:45 pm

2 stops35h 45m

$647

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Fri 1/30

7:35 am-3:05 pm

2 stops26h 30m

Curitiba Afonso Pena

Wed 3/25

5:40 pm-12:32 pm

2 stops22h 52m

$949

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Sat 1/31

2:02 pm-6:45 am

2 stops35h 43m

Curitiba Afonso Pena

Sat 2/7

8:00 am-10:07 am

2 stops31h 07m

$1,222

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Thu 5/14

11:15 am-3:00 pm

2 stops23h 45m

$558

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Thu 5/14

11:15 am-3:00 pm

2 stops23h 45m

$566

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Sat 1/24

8:10 am-5:45 pm

2 stops28h 35m

$701

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Thu 1/22

8:10 am-6:25 pm

2 stops29h 15m

$726

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Sat 1/24

8:10 am-5:45 pm

2 stops28h 35m

$733

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 13 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 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 15, 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
9,164 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,164 reviews
United Airlines
7.4
Good
9,164 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 23h 55m. 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

Browse thousands of different options on Cheapflights for your next trip

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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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$492Average$742FlexibilityNo cancel feeOn-time69%

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