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$561+ 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
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
1 adult, Economy
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Cheap 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 February 6, 2026.

This United Airlines deal was found by Cheapflights users on 2/3. 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 3/910:55 am
SEA
-
CWB
2 stops20h 05m
United Airlines
Thu 3/123:00 pm
CWB
-
SEA
2 stops32h 25m
United Airlines
Deal found 2/3$658
This KAYAK deal was found by Cheapflights users on 2/5. 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 3/96:15 am
SEA
-
CWB
2 stops30h 25m
LATAM Airlines
Thu 3/265:40 pm
CWB
-
SEA
2 stops22h 53m
LATAM Airlines
Deal found 2/5$786
This FlightHub deal was found by Cheapflights users on 2/4. 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.
Fri 5/157:15 am
SEA
-
CWB
2 stops28h 50m
LATAM Airlines
Mon 6/17:45 am
CWB
-
SEA
2 stops42h 18m
LATAM Airlines
Deal found 2/4$898
This FlightHub deal was found by Cheapflights users on 2/4. 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.
Fri 5/157:15 am
SEA
-
CWB
2 stops28h 50m
LATAM Airlines
Sat 5/305:00 pm
CWB
-
SEA
2 stops33h 05m
LATAM Airlines
Deal found 2/4$903
This Gurufare deal was found by Cheapflights users on 2/3. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2011:15 pm
SEA
-
CWB
2 stops31h 25m
LATAM Airlines
Wed 7/87:10 am
CWB
-
SEA
2 stops42h 49m
LATAM Airlines
Deal found 2/3$914
This Delta deal was found by Cheapflights users on 2/4. 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.
Sun 5/177:15 am
SEA
-
CWB
2 stops26h 45m
Delta
Sun 5/316:40 pm
CWB
-
SEA
2 stops31h 47m
Delta
Deal found 2/4$925
This Delta deal was found by Cheapflights users on 2/4. 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.
Sun 5/177:15 am
SEA
-
CWB
2 stops26h 45m
Delta
Mon 6/17:10 am
CWB
-
SEA
2 stops42h 53m
Delta
Deal found 2/4$931

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 February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$658
(United Airlines)

One-way from

$561
(Air Canada)
Provider with most accurate pricing for Seattle/Tacoma Intl-Curitiba Afonso Pena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Curitiba Afonso Pena flights.
Search Deals
From Seattle/Tacoma Intl to Curitiba Afonso Pena
Search Deals
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 February 6, 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

10:55 am-11:00 am

2 stops20h 05m

Curitiba Afonso Pena

Thu 3/12

3:00 pm-7:25 pm

2 stops32h 25m

$658

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Fri 5/15

7:15 am-4:05 pm

2 stops28h 50m

Curitiba Afonso Pena

Mon 6/1

7:45 am-10:03 pm

2 stops42h 18m

$898

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Fri 5/15

7:15 am-4:05 pm

2 stops28h 50m

Curitiba Afonso Pena

Sun 5/31

5:20 pm-10:03 pm

2 stops32h 43m

$903

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Fri 5/15

7:15 am-4:05 pm

2 stops28h 50m

Curitiba Afonso Pena

Sat 5/30

5:00 pm-10:05 pm

2 stops33h 05m

$903

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Sat 6/20

11:15 pm-10:40 am

2 stops31h 25m

Curitiba Afonso Pena

Wed 7/8

7:10 am-9:59 pm

2 stops42h 49m

$914

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Sun 5/17

7:15 am-2:00 pm

2 stops26h 45m

Curitiba Afonso Pena

Sun 5/31

6:40 pm-10:27 pm

2 stops31h 47m

$925

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Sun 5/17

7:15 am-2:00 pm

2 stops26h 45m

Curitiba Afonso Pena

Mon 6/1

7:10 am-10:03 pm

2 stops42h 53m

$931

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Sun 5/17

11:59 pm-5:40 pm

2 stops37h 41m

Curitiba Afonso Pena

Sun 5/31

6:40 pm-8:53 pm

2 stops30h 13m

$939

SeattleCuritiba

SEA - CWB

SEACWB

Seattle/Tacoma Intl

Thu 5/14

11:15 am-3:00 pm

2 stops23h 45m

$561

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 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 Seattle-Curitiba flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Curitiba flight deals on Cheapflights vs. FlightHub >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 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 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 February 6, 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
9,244 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

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
9,244 reviews
United Airlines
7.4
Good
9,244 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

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 and LATAM Airlines can get you from Seattle to Curitiba in just under 20h 05m. Your travel time can differ by up to 8h 45m. The distance between Seattle and Curitiba is about 6771 mi. This flight may include one or multiple stops.

  • 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

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 February 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$492Average$742FlexibilityNo cancel feeOn-time69%

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