HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Seattle (SEA) to Santos Dumont (SDU) from $584

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 6/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — SDU
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

How far in advance should I book a flight from Seattle to Rio de Janeiro Santos Dumont Airport?

Users have found that booking a flight from Seattle to Rio de Janeiro Santos Dumont Airport at least 9 days early can save you up to 11% on average compared to booking a flight this week. If booking 9 days before your flight isn’t an option for you, users have found flights from Seattle to Rio de Janeiro Santos Dumont Airport for as little as $988 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,098 for flights departing within the next 3 days.

What is the cheapest month to fly from Seattle to Rio de Janeiro Santos Dumont Airport?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, March can be a great choice for travel to Rio de Janeiro Santos Dumont Airport. Flights to Rio de Janeiro Santos Dumont Airport from Seattle in March are about $1,409 on average during March, but can be found for as low as $993.

When is the cheapest time to fly from Seattle to Rio de Janeiro Santos Dumont Airport (SEA - SDU)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Rio de Janeiro Santos Dumont Airport as you normally would.

Cheap LATAM Airlines flights from Seattle to Santos Dumont

Explore cheap flight options specifically provided by LATAM Airlines for the route between Seattle and Santos Dumont. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Take a look at some of the lowest-priced LATAM Airlines flights heading from Seattle to Rio de Janeiro. Make sure to check back often as deals are often changing.
Sun 9/227:00 amSEA - SDU
2 stops25h 35mLATAM Airlines
Sun 9/298:20 pmSDU - SEA
2 stops21h 57mLATAM Airlines
Deal found 5/15$1,133
Wed 9/1810:00 pmSEA - SDU
2 stops30h 55mLATAM Airlines
Wed 9/258:15 pmSDU - SEA
2 stops22h 02mLATAM Airlines
Deal found 5/16$1,164
Wed 9/189:00 amSEA - SDU
2 stops23h 35mLATAM Airlines
Wed 9/258:15 pmSDU - SEA
2 stops21h 55mLATAM Airlines
Deal found 5/15$1,173
Fri 6/1411:35 pmSEA - SDU
2 stops33h 00mLATAM Airlines
Fri 6/211:15 pmSDU - SEA
2 stops38h 44mLATAM Airlines
Deal found 5/15$1,367
Fri 7/266:00 amSEA - SDU
2 stops35h 05mLATAM Airlines
Wed 7/316:05 amSDU - SEA
2 stops41h 17mLATAM Airlines
Deal found 5/14$1,530
Tue 10/2210:55 pmSEA - SDU
2 stops33h 40mLATAM Airlines
Thu 10/248:15 pmSDU - SEA
2 stops20h 43mLATAM Airlines
Deal found 5/14$1,654
Fri 7/2611:29 pmSEA - SDU
2 stops29h 31mLATAM Airlines
Sun 7/288:20 pmSDU - SEA
2 stops22h 25mLATAM Airlines
Deal found 5/15$2,009
Fri 7/2611:29 pmSEA - SDU
2 stops29h 31mLATAM Airlines
Sun 7/288:20 pmSDU - SEA
2 stops22h 25mLATAM Airlines
Deal found 5/15$2,014
Fri 6/288:02 amSEA - SDU
2 stops20h 58mLATAM Airlines
Sat 7/138:20 pmSDU - SEA
2 stops20h 09mLATAM Airlines
Deal found 5/16$5,487

Cheap Aeromexico flights from Seattle to Santos Dumont

Explore cheap flight options specifically provided by Aeromexico for the route between Seattle and Santos Dumont. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Take a gander at the lowest prices we've found on Aeromexico flights from Seattle to Rio de Janeiro. Make sure to examine the flight information before completing your reservation.
Fri 10/49:30 amSEA - SDU
2 stops23h 05mAeromexico
Sat 10/126:05 amSDU - SEA
2 stops41h 56mAeromexico
Deal found 5/16$1,157
Tue 7/237:20 amSEA - SDU
2 stops25h 15mAeromexico
Thu 8/86:05 amSDU - SEA
2 stops41h 55mAeromexico
Deal found 5/16$1,253
Fri 6/217:25 amSEA - SDU
2 stops25h 10mAeromexico
Sun 6/306:05 amSDU - SEA
2 stops35h 57mAeromexico
Deal found 5/14$1,418

Cheap Seattle to Santos Dumont flights in May & June 2024

Find cheap flight options from Seattle to Santos Dumont specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
These are some of the most attractive deals on flights from Seattle to Rio de Janeiro in 2024. Check back in a little while for more flight options.
Wed 6/127:40 amSEA - SDU
2 stops32h 55mMultiple Airlines
Tue 7/237:50 amSDU - SEA
2 stops31h 01mMultiple Airlines
Deal found 5/15$1,214
Fri 6/1411:35 pmSEA - SDU
2 stops33h 00mLATAM Airlines
Fri 6/211:15 pmSDU - SEA
2 stops38h 44mLATAM Airlines
Deal found 5/15$1,367
Fri 6/217:25 amSEA - SDU
2 stops25h 10mAeromexico
Sun 6/306:05 amSDU - SEA
2 stops35h 57mAeromexico
Deal found 5/14$1,418
Mon 5/2711:40 amSEA - SDU
2 stops29h 00mMultiple Airlines
Thu 5/307:50 amSDU - SEA
2 stops41h 26mMultiple Airlines
Deal found 5/15$1,584
Fri 6/288:02 amSEA - SDU
2 stops20h 58mLATAM Airlines
Sat 7/138:20 pmSDU - SEA
2 stops20h 09mLATAM Airlines
Deal found 5/16$5,487
Fri 6/288:02 amSEA - SDU
2 stops20h 58mLATAM Airlines
Sat 7/138:20 pmSDU - SEA
2 stops20h 12mLATAM Airlines
Deal found 5/15$5,488

Seattle to Santos Dumont 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Santos Dumont in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
These are some of the most attractive deals on flights from Seattle to Rio de Janeiro in 2024. Check back in a little while for more flight options.
Sun 9/227:00 amSEA - SDU
2 stops25h 35mLATAM Airlines
Sun 9/298:20 pmSDU - SEA
2 stops21h 57mLATAM Airlines
Deal found 5/15$1,133
Sat 11/3011:40 pmSEA - SDU
2 stops35h 40mLATAM Airlines
Wed 2/261:00 pmSDU - SEA
2 stops35h 33mLATAM Airlines
Deal found 5/15$1,163
Wed 9/189:00 amSEA - SDU
2 stops23h 35mLATAM Airlines
Wed 9/258:15 pmSDU - SEA
2 stops21h 55mLATAM Airlines
Deal found 5/15$1,173
Wed 6/127:40 amSEA - SDU
2 stops32h 55mMultiple Airlines
Tue 7/237:50 amSDU - SEA
2 stops31h 01mMultiple Airlines
Deal found 5/15$1,214
Tue 7/237:20 amSEA - SDU
2 stops25h 15mAeromexico
Thu 8/86:05 amSDU - SEA
2 stops41h 55mAeromexico
Deal found 5/16$1,253
Fri 6/1411:35 pmSEA - SDU
2 stops33h 00mLATAM Airlines
Fri 6/211:15 pmSDU - SEA
2 stops38h 44mLATAM Airlines
Deal found 5/15$1,367
Fri 6/217:25 amSEA - SDU
2 stops25h 10mAeromexico
Sun 6/306:05 amSDU - SEA
2 stops35h 57mAeromexico
Deal found 5/14$1,418
Thu 9/511:35 amSEA - SDU
2 stops29h 00mAir Canada
Sat 9/79:10 amSDU - SEA
2 stops29h 36mAir Canada
Deal found 5/15$1,422
Sun 8/257:40 amSEA - SDU
2 stops32h 55mMultiple Airlines
Mon 9/231:15 pmSDU - SEA
2 stops25h 31mMultiple Airlines
Deal found 5/15$1,486

One-way flights to Santos Dumont from Seattle

Search for one-way flight options from Seattle to Santos Dumont. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Users in need of a one-way flight from Seattle to Rio de Janeiro can choose from these deals. Users can also find round-trip Seattle to Rio de Janeiro flights by using the search form above.
Sun 6/3010:58 pmSEA - SDU
3 stops38h 07mMultiple Airlines
Deal found 5/15$584
Thu 8/85:10 amSEA - SDU
3 stops25h 35mMultiple Airlines
Deal found 5/15$615
Thu 8/810:15 pmSEA - SDU
2 stops38h 55mGOL
Deal found 5/15$646
Mon 9/211:40 amSEA - SDU
2 stops29h 50mMultiple Airlines
Deal found 5/15$721
Sun 6/308:44 pmSEA - SDU
2 stops21h 36mGOL
Deal found 5/15$780
Sun 6/3011:10 pmSEA - SDU
2 stops41h 25mAir Canada
Deal found 5/15$833
Sun 9/157:00 amSEA - SDU
2 stops25h 35mLATAM Airlines
Deal found 5/15$858
Tue 5/217:40 amSEA - SDU
2 stops33h 00mAir Canada
Deal found 5/15$887
Tue 5/2111:11 pmSEA - SDU
3 stops33h 24mMultiple Airlines
Deal found 5/15$1,252

Find flights from Seattle to Santos Dumont within your budget

Customize your flight search to find flights from Seattle to Santos Dumont 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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,133 - $1,605

Route

Depart

Return

Price

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Sun 9/22

2 stops25h 35m

Rio de Janeiro Santos Dumont

Sun 9/29

2 stops21h 57m

$1,133

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Fri 10/4

2 stops23h 05m

Rio de Janeiro Santos Dumont

Sat 10/12

2 stops41h 56m

$1,157

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 9/18

2 stops30h 55m

Rio de Janeiro Santos Dumont

Wed 9/25

2 stops22h 02m

$1,164

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 9/18

2 stops23h 35m

Rio de Janeiro Santos Dumont

Wed 9/25

2 stops21h 55m

$1,173

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 6/12

2 stops32h 55m

Rio de Janeiro Santos Dumont

Tue 7/23

2 stops31h 01m

$1,214

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Tue 7/23

2 stops25h 15m

Rio de Janeiro Santos Dumont

Thu 8/8

2 stops41h 55m

$1,253

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Thu 9/5

2 stops29h 00m

Rio de Janeiro Santos Dumont

Sat 9/7

2 stops29h 36m

$1,422

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Sun 8/25

2 stops32h 55m

Rio de Janeiro Santos Dumont

Mon 9/23

2 stops25h 31m

$1,486

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Thu 8/1

2 stops32h 25m

Rio de Janeiro Santos Dumont

Fri 8/9

2 stops22h 31m

$1,605

Flights are sorted by cheapest first

Deals found on 5/15

When is the cheapest time to fly from Seattle to Rio de Janeiro Santos Dumont Airport?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Santos Dumont. Price data was last updated on March 24, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Rio de Janeiro Santos Dumont Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Reviews of airlines servicing Santos Dumont

Get insights into the airlines that provide service to Santos Dumont. 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 Santos Dumont. Reviews last updated May 16, 2024.
To help decide which airline to fly from Seattle to Rio de Janeiro, see what other customers have to say about LATAM Airlines and Aeromexico. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aeromexico
7.6
Good
2,528 reviews
Check prices

Comfort

7.6

Overall

7.6

Boarding

7.6

Crew

8.1

Entertainment

7.3

Food

6.9

Reviews

1 / 10

Long delays. Three changes to the boarding gate, very far away.

Aeromexico
7.6
Good
2,528 reviews
Aeromexico
7.6
Good
2,528 reviews
Check prices

Comfort

7.6

Overall

7.6

Boarding

7.6

Crew

8.1

Entertainment

7.3

Food

6.9

Reviews

1 / 10

Long delays. Three changes to the boarding gate, very far away.

LATAM Airlines
7.6
Good
2,405 reviews
Aeromexico
7.6
Good
2,528 reviews
Check prices

Comfort

7.6

Overall

7.6

Boarding

7.6

Crew

8.1

Entertainment

7.3

Food

6.9

Reviews

1 / 10

Long delays. Three changes to the boarding gate, very far away.

GOL
7.5
Good
1,299 reviews
Aeromexico
7.6
Good
2,528 reviews
Check prices

Comfort

7.6

Overall

7.6

Boarding

7.6

Crew

8.1

Entertainment

7.3

Food

6.9

Reviews

1 / 10

Long delays. Three changes to the boarding gate, very far away.

Air Canada
7.0
Good
6,947 reviews
Aeromexico
7.6
Good
2,528 reviews
Check prices

Comfort

7.6

Overall

7.6

Boarding

7.6

Crew

8.1

Entertainment

7.3

Food

6.9

Reviews

1 / 10

Long delays. Three changes to the boarding gate, very far away.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Santos Dumont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Rio de Janeiro Santos Dumont?

    If you book a flight to Rio de Janeiro Santos Dumont from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Seattle/Tacoma Intl to Rio de Janeiro Santos Dumont per day from 0 different airlines.

  • Can I find flights from Seattle to Rio de Janeiro Santos Dumont Airport for under $1,200 on Cheapflights?

    Yes, there are multiple flights from Seattle to Rio de Janeiro Santos Dumont Airport for under $1,200. The cheapest flight booked recently is on LATAM Airlines for just $1,133, but on average you can expect to pay $1,894.

  • What are the cheapest airlines to fly from Seattle to Rio de Janeiro Santos Dumont Airport one-way?

    $646 is the cheapest one-way deal found within the past few days, from GOL. You may also be able to find cheap deals on Air Canada and LATAM Airlines, with prices starting from $833 and $858, respectively.

  • What does SEA to SDU mean?

    SEA and SDU are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SEA to SDU refers to a flight route from Seattle/Tacoma Intl Airport to Rio de Janeiro Santos Dumont Airport.

  • Can I find deals for flights from Seattle to Santos Dumont that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Santos Dumont flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Santos Dumont with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Santos Dumont flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Santos Dumont that include hotel bookings?

    Yes. In addition to deals on Seattle to Santos Dumont flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Santos Dumont?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Santos Dumont.

  • Can I find deals for business class flights from Seattle to Santos Dumont?

    Yes. Cheapflights offers flight deals from Seattle to Santos Dumont by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Santos Dumont that allow pets onboard?

    Many airlines flying from Seattle to Santos Dumont offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Santos Dumont?

    Yes, you can often find last-minute deals on Seattle to Santos Dumont flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Rio de Janeiro Santos Dumont Airport flight deals updated?

    The Seattle to Rio de Janeiro Santos Dumont Airport flight deals you see on this page were last updated on 5/16.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Santos Dumont
See prices for flight routes from nearby airports that may be better suited for you.

Seattle to Rio de Janeiro–Galeão Intl flights
Portland to Rio de Janeiro–Galeão Intl flights
Portland to Santos Dumont flights
Miami to Buenos Aires flights
Hawaii to Japan flights
Baltimore to Fort Lauderdale flights
Long Beach to Las Vegas flights
Los Angeles to San Jose flights
Chicago to Hyderabad flights
USA to Kathmandu flights
Philadelphia to Las Vegas flights
New York to Los Angeles flights
Newark Airport to Atlanta flights
Boston to Las Vegas flights
Seattle to Sweden flights

Search flights from Seattle to Santos Dumont by cabin class

Find flights from Seattle to Santos Dumont, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Montes Claros
Flights to Girona Costa Brava
Flights to Naxos
Flights to Bourgas
Flights to Hyannis Barnstable
Flights to Samos
Flights to Reggio Calabria Tito Menniti
Flights to Devils Lake
Flights to Ningbo Lishe Intl
Flights to Pellston Emmet County
Flights to Provincetown
Flights to Cortez Montezuma County
Flights to Ohrid
Flights to Oran Es Senia
Flights to Menorca/Mahon
Flights to Hakodate
Flights to Ordu/Giresun
Flights to Laayoune Hassan I
Flights to Cornwall Newquay
Flights to Melilla
Flights to Rennes St Jacques
Flights to Parikia Paros
Flights to Constanţa Mihail Kogalniceanu
Flights to Miyakojima Hirara

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Santos Dumont?

Cheapflights makes it easy to find Seattle to Santos Dumont flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Santos Dumont?

Cheapflights helps you find that perfect flight to Santos Dumont from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Seattle to Santos Dumont with no change fees?

Certainly. Search results for flights to Santos Dumont from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Santos Dumont become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Santos Dumont flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines