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Santos Dumont

$405+ Cheap flights from Portland (PDX) to Santos Dumont, Brazil (SDU)

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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SDU
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Portland to Santos Dumont

Cheapest flights from Portland to Santos Dumont
Explore the most affordable flight options available from Portland to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This FlightHub deal was found by Cheapflights users on 1/25. 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.
Mon 9/146:04 am
PDX
-
SDU
2 stops22h 31m
LATAM Airlines
Thu 9/245:10 pm
SDU
-
PDX
2 stops23h 03m
LATAM Airlines
Deal found 1/25$1,250
This KAYAK deal was found by Cheapflights users on 1/25. 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 3/236:30 am
PDX
-
SDU
2 stops22h 55m
LATAM Airlines
Thu 3/262:00 pm
SDU
-
PDX
2 stops33h 00m
LATAM Airlines
Deal found 1/25$1,257
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 10/142:14 pm
PDX
-
SDU
2 stops22h 31m
United Airlines
Wed 10/211:45 pm
SDU
-
PDX
2 stops25h 50m
United Airlines
Deal found 1/26$1,301
This United Airlines deal was found by Cheapflights users on 1/27. 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 4/132:10 pm
PDX
-
SDU
2 stops22h 35m
United Airlines
Mon 4/201:45 pm
SDU
-
PDX
2 stops26h 01m
United Airlines
Deal found 1/27$1,331
This BusinessClass deal was found by Cheapflights users on 1/27. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:28 am
PDX
-
SDU
2 stops26h 42m
LATAM Airlines
Sat 4/251:50 pm
SDU
-
PDX
2 stops26h 16m
LATAM Airlines
Deal found 1/27$1,379
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Sun 5/32:30 pm
PDX
-
SDU
2 stops22h 15m
United Airlines
Sun 5/102:50 pm
SDU
-
PDX
2 stops24h 47m
United Airlines
Deal found 1/24$1,381
This Ovago deal was found by Cheapflights users on 1/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:00 am
PDX
-
SDU
2 stops26h 10m
LATAM Airlines
Thu 8/138:15 pm
SDU
-
PDX
2 stops19h 58m
LATAM Airlines
Deal found 1/26$1,416
This FlightHub deal was found by Cheapflights users on 1/25. 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.
Thu 5/286:30 am
PDX
-
SDU
2 stops22h 05m
LATAM Airlines
Mon 6/18:15 pm
SDU
-
PDX
2 stops20h 59m
LATAM Airlines
Deal found 1/25$1,468
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Sun 3/222:05 pm
PDX
-
SDU
2 stops22h 35m
United Airlines
Mon 3/301:45 pm
SDU
-
PDX
2 stops26h 01m
United Airlines
Deal found 1/24$1,551
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/139:50 am
PDX
-
SDU
3 stops30h 25m
Multiple Airlines
Fri 3/201:50 pm
SDU
-
PDX
3 stops28h 50m
Multiple Airlines
Deal found 1/27$1,634
This Priceline deal was found by Cheapflights users on 1/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/137:00 am
PDX
-
SDU
2 stops22h 35m
LATAM Airlines
Fri 3/208:05 pm
SDU
-
PDX
2 stops20h 09m
LATAM Airlines
Deal found 1/27$1,691
This United Airlines deal was found by Cheapflights users on 1/25. 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 3/232:05 pm
PDX
-
SDU
2 stops22h 35m
United Airlines
Fri 3/271:45 pm
SDU
-
PDX
2 stops26h 06m
United Airlines
Deal found 1/25$1,763

Find flight deals from Portland to Santos Dumont

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Santos Dumont (SDU). 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,257
(KAYAK)

One-way from

$405
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,350
Provider with most accurate pricing for Portland-Rio de Janeiro Santos Dumont flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Rio de Janeiro Santos Dumont flights.
Search Deals
From Portland to Rio de Janeiro Santos Dumont
Search Deals
One-way flight from Portland to Rio de Janeiro Santos Dumont
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($201 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Portland to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Portland

Fly to

Santos Dumont

Route

Depart

Return

Price

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Mon 3/23

6:30 am-9:25 am

2 stops22h 55m

Rio de Janeiro Santos Dumont

Thu 3/26

2:00 pm-7:00 pm

2 stops33h 00m

$1,257

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Mon 4/13

2:10 pm-4:45 pm

2 stops22h 35m

Rio de Janeiro Santos Dumont

Mon 4/20

1:45 pm-11:46 am

2 stops26h 01m

$1,331

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sun 5/3

2:30 pm-4:45 pm

2 stops22h 15m

Rio de Janeiro Santos Dumont

Sun 5/10

2:50 pm-11:37 am

2 stops24h 47m

$1,381

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Thu 5/28

6:30 am-8:35 am

2 stops22h 05m

Rio de Janeiro Santos Dumont

Mon 6/1

8:15 pm-1:14 pm

2 stops20h 59m

$1,468

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sun 3/22

2:05 pm-4:40 pm

2 stops22h 35m

Rio de Janeiro Santos Dumont

Mon 3/30

1:45 pm-11:46 am

2 stops26h 01m

$1,551

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Fri 3/13

9:50 am-8:15 pm

3 stops30h 25m

Rio de Janeiro Santos Dumont

Fri 3/20

1:50 pm-2:40 pm

3 stops28h 50m

$1,634

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Fri 3/13

7:00 am-9:35 am

2 stops22h 35m

Rio de Janeiro Santos Dumont

Fri 3/20

8:05 pm-12:14 pm

2 stops20h 09m

$1,691

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Mon 3/23

2:05 pm-4:40 pm

2 stops22h 35m

Rio de Janeiro Santos Dumont

Fri 3/27

1:45 pm-11:51 am

2 stops26h 06m

$1,763

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sun 7/5

7:00 am-1:10 pm

2 stops26h 10m

Rio de Janeiro Santos Dumont

Sat 7/11

8:15 pm-8:48 pm

2 stops28h 33m

$2,365

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Fri 3/20

11:40 am-1:15 pm

2 stops21h 35m

Rio de Janeiro Santos Dumont

Sun 3/29

8:20 pm-8:35 pm

2 stops28h 15m

$2,420

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 23 results
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  • Most accurate provider: When it comes to deals on Portland-Rio de Janeiro Santos Dumont Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Rio de Janeiro Santos Dumont Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Rio de Janeiro Santos Dumont Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Rio de Janeiro Santos Dumont Airport 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 Portland-Rio de Janeiro Santos Dumont Airport 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 Portland to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from Portland 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.

Related info for your journey

Find useful and relevant information for your journey from Portland 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 Portland to Rio de Janeiro Santos Dumont?

    Portland (PDX) is the airport you will fly out of if you book a flight from Portland to Rio de Janeiro Santos Dumont. You should not have trouble finding flights to Rio de Janeiro Santos Dumont from Portland; the airport handles an average of 0 outbound flights to Rio de Janeiro Santos Dumont per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Portland airport to Rio de Janeiro Santos Dumont. It is only a 6.0 mi journey to Portland (PDX) from Portland’s city center.

  • How long is the flight from Portland to Rio de Janeiro Santos Dumont Airport?

    Airlines like LATAM Airlines and United Airlines fly from Portland to Rio de Janeiro Santos Dumont Airport in about 22h 35m. The time it takes to get you to your destination can typically vary by up to 20m. There are 6849 mi between Portland and Rio de Janeiro Santos Dumont Airport. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland 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.

See more FAQs

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Alternative routes for Portland to Santos Dumont

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Rio de Janeiro–Galeão Intl flights
Boise to Rio de Janeiro–Galeão Intl flights
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