SEA - SDU

$645 Find Cheap Flights from Seattle to Rio de Janeiro Santos Dumont - Compare and Save

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Everything you should know

Cheapest round-trip
$898
Typical prices: $1,291-$1,858
Multiple Airlines
Thu 3/15Mon 3/19
SEA - SDU • 2 stops
Cheapest one-way
$645
Typical prices: $560-$771
Multiple Airlines
Mon 4/2
SEA - SDU • 3 stops
When to travel
March
Cheapest • 25% price drop
November
Most popular
Good to know
+1
Good to know
+1
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We hope you love your trip to Rio de Janeiro Santos Dumont Airport!
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Flight Deals

Cheap Flights from Seattle to Rio de Janeiro (SEA-SDU)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Rio de Janeiro

Mon, Mar 15 - Fri, Mar 19
Multiple Airlines Logo
8:05 am - 9:25 amSEA  Seattle/Tacoma Intl-SDU Rio de Janeiro Santos Dumont
21h 20m2 stops Miami Sao Paulo Guarulhos Intl
Multiple Airlines Logo
10:10 am - 1:00 pmSDU  Rio de Janeiro Santos Dumont-SEA Seattle/Tacoma Intl
30h 50m2 stops Sao Paulo Guarulhos Intl Los Angeles
$898Multiple Airlines
Thu, Mar 4 - Sun, Mar 14
Delta Logo
7:20 am - 9:25 amSEA  Seattle/Tacoma Intl-SDU Rio de Janeiro Santos Dumont
21h 05m2 stops Los Angeles Sao Paulo Guarulhos Intl
Delta Logo
6:05 pm - 7:23 pmSDU  Rio de Janeiro Santos Dumont-SEA Seattle/Tacoma Intl
29h 18m2 stops Sao Paulo Guarulhos Intl New York John F Kennedy Intl
$900Delta
Thu, Nov 26 - Wed, Dec 9
United Airlines Logo
10:50 am - 1:10 pmSEA  Seattle/Tacoma Intl-SDU Rio de Janeiro Santos Dumont
21h 20m2 stops Chicago O'Hare Intl Sao Paulo Guarulhos Intl
United Airlines Logo
6:55 pm - 11:44 amSDU  Rio de Janeiro Santos Dumont-SEA Seattle/Tacoma Intl
21h 49m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$1,006United Airlines
Thu, Nov 26 - Wed, Dec 9
United Airlines Logo
10:50 am - 1:10 pmSEA  Seattle/Tacoma Intl-SDU Rio de Janeiro Santos Dumont
21h 20m2 stops Chicago O'Hare Intl Sao Paulo Guarulhos Intl
United Airlines Logo
6:55 pm - 11:44 amSDU  Rio de Janeiro Santos Dumont-SEA Seattle/Tacoma Intl
21h 49m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$1,013United Airlines
Sun, Apr 25 - Mon, May 3
United Airlines Logo
6:50 am - 1:10 pmSEA  Seattle/Tacoma Intl-SDU Rio de Janeiro Santos Dumont
26h 20m2 stops Newark Sao Paulo Guarulhos Intl
United Airlines Logo
7:00 pm - 11:40 amSDU  Rio de Janeiro Santos Dumont-SEA Seattle/Tacoma Intl
20h 40m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$1,014United Airlines
Wed, Apr 21 - Tue, Apr 27
United Airlines Logo
6:50 am - 1:10 pmSEA  Seattle/Tacoma Intl-SDU Rio de Janeiro Santos Dumont
26h 20m2 stops Newark Sao Paulo Guarulhos Intl
United Airlines Logo
7:00 pm - 11:40 amSDU  Rio de Janeiro Santos Dumont-SEA Seattle/Tacoma Intl
20h 40m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$1,014United Airlines
Wed, Apr 21 - Tue, Apr 27
United Airlines Logo
8:30 am - 1:10 pmSEA  Seattle/Tacoma Intl-SDU Rio de Janeiro Santos Dumont
24h 40m3 stops Denver Intl Newark Sao Paulo Guarulhos Intl
United Airlines Logo
7:00 pm - 11:40 amSDU  Rio de Janeiro Santos Dumont-SEA Seattle/Tacoma Intl
20h 40m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$1,014United Airlines
Wed, Apr 21 - Mon, May 3
United Airlines Logo
8:30 am - 1:10 pmSEA  Seattle/Tacoma Intl-SDU Rio de Janeiro Santos Dumont
24h 40m3 stops Denver Intl Newark Sao Paulo Guarulhos Intl
United Airlines Logo
7:00 pm - 11:40 amSDU  Rio de Janeiro Santos Dumont-SEA Seattle/Tacoma Intl
20h 40m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$1,014United Airlines
Wed, Apr 21 - Mon, May 3
United Airlines Logo
6:50 am - 1:10 pmSEA  Seattle/Tacoma Intl-SDU Rio de Janeiro Santos Dumont
26h 20m2 stops Newark Sao Paulo Guarulhos Intl
United Airlines Logo
7:00 pm - 11:40 amSDU  Rio de Janeiro Santos Dumont-SEA Seattle/Tacoma Intl
20h 40m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$1,014United Airlines
Tue, Apr 20 - Mon, May 3
United Airlines Logo
7:00 am - 1:10 pmSEA  Seattle/Tacoma Intl-SDU Rio de Janeiro Santos Dumont
26h 10m2 stops Chicago O'Hare Intl Sao Paulo Guarulhos Intl
United Airlines Logo
7:00 pm - 11:40 amSDU  Rio de Janeiro Santos Dumont-SEA Seattle/Tacoma Intl
20h 40m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$1,014United Airlines
Booking Insights

Price, demand and travel trends for Seattle to Rio de Janeiro Santos Dumont Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Seattle to Rio de Janeiro Santos Dumont Airport?

Delta ($900) and United Airlines ($1,006) are the cheapest airlines to fly round-trip from Seattle to Rio de Janeiro Santos Dumont Airport according to KAYAK data over the last 5 days.

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Key details for Seattle to Rio de Janeiro Santos Dumont Airport flights

Cheapest flight

$645
One-way flight from Seattle to Rio de Janeiro Santos Dumont Airport

When to book flights from Seattle to Rio de Janeiro

Are your dates flexible? Find out the best times to travel from Seattle to Rio de Janeiro based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Rio de Janeiro Santos Dumont Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Seattle to Rio de Janeiro Santos Dumont Airport?

    Only Economy Class is available on flights from Seattle to Rio de Janeiro Santos Dumont Airport.

  • Do I need a passport to fly from Seattle to Rio de Janeiro Santos Dumont Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Seattle to Rio de Janeiro Santos Dumont Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $898 to $6,786. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Seattle to Rio de Janeiro Santos Dumont Airport looking right now?

    One-way fares from Seattle to Rio de Janeiro Santos Dumont Airport are currently higher than usual. Average one-way flight prices are about $752, which is 5% above the typical average for this route.

  • What car rental options are available at Rio de Janeiro Santos Dumont Airport (SDU)?

    Rio de Janeiro Santos Dumont Airport (SDU) hosts 5 major car rental companies, with daily rates averaging $32 for economy cars. Top options include:

    • FOCO
    • MOVIDA
    • Avis
    • Budget
    • Unidas

  • Which airports can I use when flying from Seattle to Rio de Janeiro Santos Dumont Airport?

    Flights from Seattle to Rio de Janeiro Santos Dumont Airport usually depart from Seattle/Tacoma Intl (SEA) and arrive at Rio de Janeiro Santos Dumont (SDU).

  • Can I save money by using flexible dates for flights from Seattle to Rio de Janeiro Santos Dumont Airport?

    Yes. Flexible dates can save you up to 44% on flights from Seattle to Rio de Janeiro Santos Dumont Airport. Wednesday is the cheapest departure day at $1,068 round-trip on average, while Tuesday is the most expensive at $1,907, a difference of $839.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Seattle and Rio de Janeiro Santos Dumont Airport?

    Rio de Janeiro Santos Dumont Airport is 4 hours ahead of Seattle (Brasilia Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Rio de Janeiro Santos Dumont Airport?

    Some of the most popular sights in Rio de Janeiro Santos Dumont Airport are Copacabana Beach, RioCentro and Praia do Arpoador. These are among the most viewed places in Rio de Janeiro Santos Dumont Airport on KAYAK.

Your guide to booking Seattle to Rio de Janeiro Santos Dumont Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Tuesday. On this route, Wednesday flights average $1,068, about $839 less than Tuesday fares (44% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Seattle to Rio de Janeiro Santos Dumont Airport trip for March. Fares historically average $1,042 round-trip in that month - typically $865 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Rio de Janeiro Santos Dumont Airport.

    • ibis Rio de Janeiro Santos Dumont
    • Windsor Florida Hotel
    • Hotel Atlântico Business Centro

More options for your flight from Seattle to Rio de Janeiro

Complete your trip to Rio de Janeiro with a hotel stay or car rental

Car rentals in Rio de Janeiro
Hotels in Rio de Janeiro
Vacations in Rio de Janeiro