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Cheap flight deals from Seattle to Porto Alegre Starting at VND 9,760,214

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip
      • SEA08:05 am
        37h 25m
        2 stops
        POA01:30 am
        Tue, Mar 18|Seattle - Porto Alegre|Alaska Airlines
        VND 9,760,214VND 18,817,242
        48% OFF
        48% OFF
        VND 18,817,242VND 9,760,214

        Choose Alaska Airlines flights from Seattle to Porto Alegre. The one-way connecting flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Tue, Mar 18, arriving at Salgado Filho International Airport. One-way Prices start from VND 9,760,214 including taxes and charges.

      • SEA06:15 am
        23h 5m
        2 stops
        POA09:20 am
        Tue, Mar 18|Seattle - Porto Alegre|United Airlines
        VND 10,772,801VND 18,817,242
        43% OFF
        43% OFF
        VND 18,817,242VND 10,772,801

        Choose United Airlines flights from Seattle to Porto Alegre. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Tue, Mar 18, arriving at Salgado Filho International Airport. One-way Prices start from VND 10,772,801 including taxes and charges.

      • SEA12:52 pm
        31h 3m
        2 stops
        POA11:55 pm
        Fri, Mar 14|Seattle - Porto Alegre|Frontier Airlines
        VND 11,236,903VND 18,817,242
        40% OFF
        40% OFF
        VND 18,817,242VND 11,236,903

        Choose Frontier Airlines flights from Seattle to Porto Alegre. The one-way connecting flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Fri, Mar 14, arriving at Salgado Filho International Airport. One-way Prices start from VND 11,236,903 including taxes and charges.

      • SEA06:10 am
        23h 10m
        2 stops
        POA09:20 am
        Tue, Mar 18|Seattle - Porto Alegre|American Airlines
        VND 11,563,884
        VND 11,563,884

        Choose American Airlines flights from Seattle to Porto Alegre. The one-way connecting flight with American Airlines departs from Seattle-Tacoma International Airport on Tue, Mar 18, arriving at Salgado Filho International Airport. One-way Prices start from VND 11,563,884 including taxes and charges.

      • SEA05:48 pm
        44h 42m
        2 stops
        POA06:30 pm
        Wed, Mar 19|Seattle - Porto Alegre|Frontier Airlines
        VND 11,802,967
        VND 11,802,967

        Choose Frontier Airlines flights from Seattle to Porto Alegre. The one-way connecting flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Wed, Mar 19, arriving at Salgado Filho International Airport. One-way Prices start from VND 11,802,967 including taxes and charges.

      • SEA03:58 pm
        46h 32m
        2 stops
        POA06:30 pm
        Wed, Mar 19|Seattle - Porto Alegre|Alaska Airlines
        VND 12,527,248
        VND 12,527,248

        Choose Alaska Airlines flights from Seattle to Porto Alegre. The one-way connecting flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Wed, Mar 19, arriving at Salgado Filho International Airport. One-way Prices start from VND 12,527,248 including taxes and charges.

      • SEA03:01 pm
        47h 29m
        2 stops
        POA06:30 pm
        Wed, Mar 19|Seattle - Porto Alegre|United Airlines
        VND 12,579,987
        VND 12,579,987

        Choose United Airlines flights from Seattle to Porto Alegre. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Wed, Mar 19, arriving at Salgado Filho International Airport. One-way Prices start from VND 12,579,987 including taxes and charges.

      • SEA07:26 pm
        43h 4m
        2 stops
        POA06:30 pm
        Wed, Mar 19|Seattle - Porto Alegre|American Airlines
        VND 13,255,045
        VND 13,255,045

        Choose American Airlines flights from Seattle to Porto Alegre. The one-way connecting flight with American Airlines departs from Seattle-Tacoma International Airport on Wed, Mar 19, arriving at Salgado Filho International Airport. One-way Prices start from VND 13,255,045 including taxes and charges.

      • SEA07:35 am
        36h 30m
        2 stops
        POA12:05 am
        Fri, Mar 14|Seattle - Porto Alegre|Delta Air Lines
        VND 13,349,975
        VND 13,349,975

        Choose Delta Air Lines flights from Seattle to Porto Alegre. The one-way connecting flight with Delta Air Lines departs from Seattle-Tacoma International Airport on Fri, Mar 14, arriving at Salgado Filho International Airport. One-way Prices start from VND 13,349,975 including taxes and charges.

      • SEA10:21 am
        28h 29m
        2 stops
        POA06:50 pm
        Sat, Mar 15|Seattle - Porto Alegre|Alaska Airlines
        VND 13,705,084
        VND 13,705,084

        Choose Alaska Airlines flights from Seattle to Porto Alegre. The one-way connecting flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Sat, Mar 15, arriving at Salgado Filho International Airport. One-way Prices start from VND 13,705,084 including taxes and charges.

      • SEA01:00 pm
        3h 5m
        Nonstop
        POA02:00 pm
        Tue, Mar 4|Seattle - Porto Alegre|Alaska Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Seattle to Porto Alegre Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA1992

    American Airlines

    02:00 pm

    SEA

    3.9h

    07:55 pm

    DFW

    SM-WTFS
    Search

  2. AA963

    American Airlines

    07:36 pm

    DFW

    9.9h

    08:30 am

    GRU

    SMTWTFS

  3. AD2820

    Azul Airlines

    02:30 pm

    GRU

    1.7h

    04:10 pm

    POA

    SMTWTF-

  4. AA6420

    American Airlines

    06:03 am

    SEA

    2.9h

    08:55 am

    LAX

    SMTWTFS
    Search

  5. LA8087

    LATAM Airlines

    01:45 pm

    LAX

    11.9h

    05:40 am

    GRU

    SM--TF-

  6. LA3416

    LATAM Airlines

    07:40 am

    GRU

    1.8h

    09:25 am

    POA

    SMTWTFS

  7. UA1448

    United Airlines

    07:05 am

    SEA

    4.2h

    01:14 pm

    ORD

    SMTWTFS
    Search

  8. UA845

    United Airlines

    09:20 pm

    ORD

    10.2h

    09:30 am

    GRU

    SMTWTFS

  9. AD2820

    Azul Airlines

    02:30 pm

    GRU

    1.7h

    04:10 pm

    POA

    SMTWTF-

  10. UA1788

    United Airlines

    07:15 am

    SEA

    4.4h

    01:38 pm

    IAH

    SMTWTFS
    Search

  11. UA062

    United Airlines

    08:50 pm

    IAH

    9.7h

    09:30 am

    GRU

    SMTWTFS

  12. AD2820

    Azul Airlines

    02:30 pm

    GRU

    1.7h

    04:10 pm

    POA

    SMTWTF-

  13. UA1788

    United Airlines

    07:15 am

    SEA

    10.8h

    09:03 pm

    IAD

    SMTWTFS
    Search

  14. UA861

    United Airlines

    10:35 pm

    IAD

    9.9h

    09:30 am

    GRU

    SMTWTFS

  15. AD2836

    Azul Airlines

    11:40 am

    GRU

    1.7h

    01:20 pm

    POA

    -MT-TFS

  16. AS916

    Alaska Airlines

    07:55 am

    SEA

    5.9h

    04:50 pm

    MCO

    SMTWTFS
    Search

  17. AD9339

    Azul Airlines

    08:15 pm

    MCO

    8.6h

    06:50 am

    VCP

    S------

  18. AD2660

    Azul Airlines

    05:30 pm

    VCP

    1.7h

    07:10 pm

    POA

    SMTWTFS

  19. AS305

    Alaska Airlines

    07:55 am

    SEA

    5.9h

    04:50 pm

    MIA

    SMTWTFS
    Search

  20. LA8191

    LATAM Airlines

    08:25 pm

    MIA

    8.3h

    05:40 am

    GRU

    SMTWTFS

  21. LA3150

    LATAM Airlines

    08:35 am

    CGH

    1.8h

    10:20 am

    POA

    SMTWTFS

  22. AS305

    Alaska Airlines

    07:55 am

    SEA

    5.9h

    04:50 pm

    MIA

    SMTWTFS
    Search

  23. LA8191

    LATAM Airlines

    08:25 pm

    MIA

    8.3h

    05:40 am

    GRU

    SMTWTFS

  24. LA4524

    LATAM Airlines

    09:45 am

    GRU

    1.8h

    11:30 am

    POA

    SMTWTFS

  25. UA1102

    United Airlines

    08:10 am

    SEA

    5.0h

    04:09 pm

    IAD

    SMTWTFS
    Search

  26. UA861

    United Airlines

    10:35 pm

    IAD

    9.9h

    09:30 am

    GRU

    SMTWTFS

  27. AD2820

    Azul Airlines

    02:30 pm

    GRU

    1.7h

    04:10 pm

    POA

    SMTWTF-

  28. UA747

    United Airlines

    11:50 pm

    SEA

    4.0h

    05:53 am

    ORD

    SMTWTFS
    Search

  29. UA845

    United Airlines

    09:20 pm

    ORD

    10.2h

    09:30 am

    GRU

    SMTWTFS

  30. AD2836

    Azul Airlines

    11:40 am

    GRU

    1.7h

    01:20 pm

    POA

    -MT-TFS
Find more flights and airlines

When is the cheapest time to fly from Seattle to Porto Alegre?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Seattle (SEA) to Porto Alegre (POA) the cheapest?

    Airlines adjust prices for flights from Seattle to Porto Alegre based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Seattle (SEA) to Porto Alegre (POA) cost?

    According to Trip.com's data, the lowest price is around VND 45,921,524.

  • What is the transportation method from the main airport to downtown in Porto Alegre?

    • The distance from Salgado Filho International Airport to downtown is about 5 km. It takes about 20 minutes by taxi.

How to find a cheap flight from Seattle to Porto Alegre

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Porto Alegre. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Seattle to Porto Alegre

Off-season for travelMarch
Peak season for travelDecember
Flight distance11,153.16 km
Popular airlineAeromexico

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