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Santos Dumont

$457+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SDU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$1,046
(Mytrip)

One-way from

$457
(Kiwi.com)

Popular in

December

Cheapest in

November
From Portland to Rio de Janeiro Santos Dumont
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One-way flight from Portland to Rio de Janeiro Santos Dumont
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Highest demand for flights based on searches. 3% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($62 potential savings vs. average RT price).
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Find 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 September 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/11. 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.
Tue 11/119:50 amPDX - SDU
3 stops25h 55mMultiple Airlines
Sat 11/155:30 pmSDU - PDX
3 stops30h 00mMultiple Airlines
Deal found 9/11$1,046
This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amPDX - SDU
2 stops22h 25mLATAM Airlines
Fri 12/52:00 pmSDU - PDX
2 stops25h 41mLATAM Airlines
Deal found 9/11$1,315
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Thu 9/1112:07 pmPDX - SDU
3 stops30h 18mMultiple Airlines
Wed 9/248:20 pmSDU - PDX
3 stops44h 44mMultiple Airlines
Deal found 9/10$1,400
This Priceline deal was found by Cheapflights users on 9/10. 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.
Thu 10/1611:26 amPDX - SDU
2 stops22h 34mLATAM Airlines
Mon 10/278:05 pmSDU - PDX
2 stops27h 01mLATAM Airlines
Deal found 9/10$1,408
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 11/111:15 pmPDX - SDU
2 stops22h 30mUnited Airlines
Sat 11/155:30 pmSDU - PDX
2 stops23h 46mUnited Airlines
Deal found 9/11$1,431
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/261:15 pmPDX - SDU
2 stops23h 30mUnited Airlines
Sun 11/22:50 pmSDU - PDX
2 stops25h 58mUnited Airlines
Deal found 9/10$1,462
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:04 amPDX - SDU
2 stops26h 16mMultiple Airlines
Mon 10/272:00 pmSDU - PDX
2 stops34h 43mMultiple Airlines
Deal found 9/11$1,476
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:29 amPDX - SDU
2 stops22h 56mLATAM Airlines
Thu 10/302:00 pmSDU - PDX
2 stops25h 45mLATAM Airlines
Deal found 9/11$1,526
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/287:00 amPDX - SDU
2 stops26h 20mUnited Airlines
Sun 1/112:50 pmSDU - PDX
2 stops33h 06mUnited Airlines
Deal found 9/10$1,732
This AranGrant deal was found by Cheapflights users on 9/10. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:15 amPDX - SDU
2 stops21h 10mLATAM Airlines
Tue 1/68:05 pmSDU - PDX
2 stops20h 00mLATAM Airlines
Deal found 9/10$6,113
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3111:26 amPDX - SDU
2 stops21h 49mDelta
Sun 11/28:05 pmSDU - PDX
2 stops21h 55mDelta
Deal found 9/11$6,992

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 September 11, 2025.
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

Tue 11/11

9:50 am-4:45 pm

3 stops25h 55m

Rio de Janeiro Santos Dumont

Sat 11/15

5:30 pm-6:30 pm

3 stops30h 00m

$1,046

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Mon 12/1

6:00 am-9:25 am

2 stops22h 25m

Rio de Janeiro Santos Dumont

Fri 12/5

2:00 pm-10:41 am

2 stops25h 41m

$1,315

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Thu 10/16

11:26 am-2:00 pm

2 stops22h 34m

Rio de Janeiro Santos Dumont

Mon 10/27

8:05 pm-7:06 pm

2 stops27h 01m

$1,408

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Tue 11/11

1:15 pm-4:45 pm

2 stops22h 30m

Rio de Janeiro Santos Dumont

Sat 11/15

5:30 pm-11:48 am

2 stops23h 18m

$1,431

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sun 10/26

1:15 pm-4:45 pm

2 stops23h 30m

Rio de Janeiro Santos Dumont

Sun 11/2

2:50 pm-11:48 am

2 stops25h 58m

$1,462

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Thu 10/16

7:04 am-1:20 pm

2 stops26h 16m

Rio de Janeiro Santos Dumont

Mon 10/27

2:00 pm-8:43 pm

2 stops34h 43m

$1,476

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sat 2/21

9:45 pm-1:15 pm

2 stops34h 30m

Rio de Janeiro Santos Dumont

Tue 2/24

8:05 pm-11:53 am

2 stops20h 48m

$1,518

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Mon 10/27

6:29 am-9:25 am

2 stops22h 56m

Rio de Janeiro Santos Dumont

Thu 10/30

2:00 pm-11:45 am

2 stops25h 45m

$1,526

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sun 12/28

7:00 am-2:20 pm

2 stops26h 20m

Rio de Janeiro Santos Dumont

Sun 1/11

2:50 pm-6:56 pm

2 stops33h 06m

$1,732

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Tue 12/30

7:15 am-9:25 am

2 stops21h 10m

Rio de Janeiro Santos Dumont

Tue 1/6

8:05 pm-11:05 am

2 stops20h 00m

$6,113

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 13 results
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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 25m. The time it takes to get you to your destination can typically vary by up to 05m. 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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