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Cheap flights from Seattle (SEA) to Santos Dumont (SDU) from $575

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 6/2. 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 20 — May 271
From?
To?
Mon 5/20
Mon 5/27
1 adult, Economy
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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 2,644,845 searches. Data last updated May 15, 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.
Tue 6/117:10 amSEA - SDU
2 stops21h 45mLATAM Airlines
Tue 6/185:40 pmSDU - SEA
2 stops22h 56mLATAM Airlines
Deal found 5/14$1,013
Wed 10/26:05 amSEA - SDU
2 stops22h 50mLATAM Airlines
Sun 10/138:20 pmSDU - SEA
2 stops21h 57mLATAM Airlines
Deal found 5/14$1,073
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
Mon 7/16:00 amSEA - SDU
2 stops46h 55mLATAM Airlines
Thu 7/116:05 amSDU - SEA
2 stops34h 18mLATAM Airlines
Deal found 5/14$1,228
Wed 6/127:10 amSEA - SDU
2 stops21h 45mLATAM Airlines
Wed 6/198:15 pmSDU - SEA
2 stops22h 05mLATAM Airlines
Deal found 5/14$1,280
Mon 10/77:20 amSEA - SDU
2 stops21h 35mLATAM Airlines
Mon 10/148:15 pmSDU - SEA
2 stops21h 55mLATAM Airlines
Deal found 5/14$1,288
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
Fri 7/56:00 amSEA - SDU
2 stops35h 05mLATAM Airlines
Tue 7/98:15 pmSDU - SEA
2 stops31h 44mLATAM Airlines
Deal found 5/14$1,550

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 2,644,845 searches. Data last updated May 15, 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.
Tue 7/2310:00 pmSEA - SDU
2 stops34h 35mAeromexico
Thu 8/86:05 amSDU - SEA
2 stops35h 57mAeromexico
Deal found 5/15$1,253
Sun 8/410:00 pmSEA - SDU
2 stops34h 35mAeromexico
Sun 8/116:05 amSDU - SEA
2 stops35h 57mAeromexico
Deal found 5/14$1,255
Sun 6/2310:00 pmSEA - SDU
2 stops34h 35mAeromexico
Tue 7/26:05 amSDU - SEA
2 stops41h 55mAeromexico
Deal found 5/14$1,327
Sun 6/3010:00 pmSEA - SDU
2 stops34h 35mAeromexico
Sun 7/76:05 amSDU - SEA
2 stops35h 57mAeromexico
Deal found 5/13$1,403
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 2,644,845 searches. Prices were last updated on May 15, 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.
Tue 6/117:10 amSEA - SDU
2 stops21h 45mLATAM Airlines
Tue 6/185:40 pmSDU - SEA
2 stops22h 56mLATAM Airlines
Deal found 5/14$1,013
Sat 5/1811:10 pmSEA - SDU
2 stops41h 30mMultiple Airlines
Sat 5/259:10 amSDU - SEA
2 stops29h 33mMultiple Airlines
Deal found 5/14$1,187
Sat 5/1810:40 amSEA - SDU
3 stops30h 00mMultiple Airlines
Sat 5/259:10 amSDU - SEA
3 stops31h 17mMultiple Airlines
Deal found 5/14$1,243
Tue 6/2510:00 pmSEA - SDU
2 stops34h 35mAeromexico
Wed 7/36:05 amSDU - SEA
2 stops35h 57mAeromexico
Deal found 5/14$1,253
Wed 6/127:10 amSEA - SDU
2 stops21h 45mLATAM Airlines
Wed 6/198:15 pmSDU - SEA
2 stops22h 05mLATAM Airlines
Deal found 5/14$1,280
Sat 5/1811:10 pmSEA - SDU
3 stops41h 30mMultiple Airlines
Sat 5/259:10 amSDU - SEA
2 stops29h 33mMultiple Airlines
Deal found 5/14$1,293
Tue 6/1110:40 amSEA - SDU
3 stops29h 55mMultiple Airlines
Tue 6/1810:05 amSDU - SEA
2 stops28h 46mMultiple Airlines
Deal found 5/14$1,301
Sun 6/2310:00 pmSEA - SDU
2 stops34h 35mAeromexico
Tue 7/26:05 amSDU - SEA
2 stops41h 55mAeromexico
Deal found 5/14$1,327
Sun 6/27:40 amSEA - SDU
2 stops32h 55mMultiple Airlines
Thu 6/67:50 amSDU - SEA
2 stops30h 53mMultiple Airlines
Deal found 5/14$1,394

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 2,644,845 searches. Data last updated May 15, 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.
Tue 6/117:10 amSEA - SDU
2 stops21h 45mLATAM Airlines
Tue 6/185:40 pmSDU - SEA
2 stops22h 56mLATAM Airlines
Deal found 5/14$1,013
Wed 10/26:05 amSEA - SDU
2 stops22h 50mLATAM Airlines
Sun 10/138:20 pmSDU - SEA
2 stops21h 57mLATAM Airlines
Deal found 5/14$1,073
Mon 10/712:50 pmSEA - SDU
2 stops27h 45mMultiple Airlines
Mon 10/143:45 pmSDU - SEA
2 stops23h 33mMultiple Airlines
Deal found 5/14$1,093
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
Thu 11/287:20 amSEA - SDU
2 stops33h 15mLATAM Airlines
Sat 12/76:00 amSDU - SEA
2 stops37h 10mLATAM Airlines
Deal found 5/14$1,157
Sat 5/1811:10 pmSEA - SDU
2 stops41h 30mMultiple Airlines
Sat 5/259:10 amSDU - SEA
2 stops29h 33mMultiple Airlines
Deal found 5/14$1,187
Thu 10/311:35 amSEA - SDU
2 stops29h 00mMultiple Airlines
Sat 10/129:10 amSDU - SEA
2 stops40h 05mMultiple Airlines
Deal found 5/14$1,214
Wed 10/211:35 amSEA - SDU
2 stops29h 00mMultiple Airlines
Fri 10/117:40 amSDU - SEA
2 stops31h 06mMultiple Airlines
Deal found 5/14$1,220
Mon 7/16:00 amSEA - SDU
2 stops46h 55mLATAM Airlines
Thu 7/116:05 amSDU - SEA
2 stops34h 18mLATAM Airlines
Deal found 5/14$1,228

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 2,644,845 searches. Data last updated May 15, 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 6/28:04 amSEA - SDU
3 stops44h 36mMultiple Airlines
Deal found 5/14$575
Sun 6/3010:58 pmSEA - SDU
3 stops38h 07mMultiple Airlines
Deal found 5/15$587
Sun 6/3011:59 pmSEA - SDU
3 stops36h 56mMultiple Airlines
Deal found 5/14$588
Mon 7/18:59 pmSEA - SDU
3 stops31h 36mMultiple Airlines
Deal found 5/14$591
Thu 8/85:10 amSEA - SDU
3 stops25h 35mMultiple Airlines
Deal found 5/15$615
Mon 9/211:40 amSEA - SDU
2 stops28h 55mMultiple Airlines
Deal found 5/14$623
Thu 8/810:15 pmSEA - SDU
2 stops38h 55mGOL
Deal found 5/15$646
Sun 6/211:40 amSEA - SDU
2 stops28h 55mAir Canada
Deal found 5/14$695
Mon 7/18:44 pmSEA - SDU
2 stops37h 36mGOL
Deal found 5/14$706

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 2,644,845 searches. Data last updated May 15, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,013 - $1,615

Route

Depart

Return

Price

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Tue 6/11

2 stops21h 45m

Rio de Janeiro Santos Dumont

Tue 6/18

2 stops22h 56m

$1,013

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 10/2

2 stops22h 50m

Rio de Janeiro Santos Dumont

Sun 10/13

2 stops21h 57m

$1,073

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Mon 10/7

2 stops27h 45m

Rio de Janeiro Santos Dumont

Mon 10/14

2 stops23h 33m

$1,093

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

Thu 10/3

2 stops29h 00m

Rio de Janeiro Santos Dumont

Sat 10/12

2 stops40h 05m

$1,214

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Tue 7/23

2 stops34h 35m

Rio de Janeiro Santos Dumont

Thu 8/8

2 stops35h 57m

$1,253

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Sat 10/5

2 stops21h 40m

Rio de Janeiro Santos Dumont

Mon 10/14

2 stops21h 55m

$1,268

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Tue 10/8

2 stops29h 00m

Rio de Janeiro Santos Dumont

Thu 10/10

2 stops30h 56m

$1,360

Seattle/Tacoma IntlRio de Janeiro Santos Dumont

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Sun 6/30

2 stops32h 11m

Rio de Janeiro Santos Dumont

Sat 7/6

2 stops21h 59m

$1,615

Flights are sorted by cheapest first

Deals found on 5/14

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 15, 2024.
To help decide which airline to fly from Seattle to Rio de Janeiro, see what other customers have to say about LATAM Airlines, Aeromexico and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,691 reviews
Check prices

Food

7.4

Entertainment

8.0

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,691 reviews
Delta
8.0
Very good
10,691 reviews
Check prices

Food

7.4

Entertainment

8.0

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Aeromexico
7.6
Good
2,535 reviews
Delta
8.0
Very good
10,691 reviews
Check prices

Food

7.4

Entertainment

8.0

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

LATAM Airlines
7.6
Good
2,409 reviews
Delta
8.0
Very good
10,691 reviews
Check prices

Food

7.4

Entertainment

8.0

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

GOL
7.5
Good
1,300 reviews
Delta
8.0
Very good
10,691 reviews
Check prices

Food

7.4

Entertainment

8.0

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air Canada
7.0
Good
6,944 reviews
Delta
8.0
Very good
10,691 reviews
Check prices

Food

7.4

Entertainment

8.0

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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 $1,100 on Cheapflights?

    Yes, there are multiple flights from Seattle to Rio de Janeiro Santos Dumont Airport for under $1,100. The cheapest flight booked recently is on LATAM Airlines for just $1,013, but on average you can expect to pay $1,243.

  • 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 $695 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 5/15.

See more FAQs

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

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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.
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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.

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