In terms of precipitation, rainfall in Rio de Janeiro Santos Dumont Airport ranges from 1.6 - 5.1 inches per month. January is typically the wettest month, when rainfall can reach 5.1 in. July is typically the driest time to visit Rio de Janeiro Santos Dumont Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to Rio de Janeiro Santos Dumont Airport, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 69.8 F).

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

The best pricing can be found in the month of October. Prices to Rio de Janeiro Santos Dumont Airport from Portland average $1,308. You can even find prices in October for less than $1,308, as users have found deals to Rio de Janeiro Santos Dumont Airport from as low as $773. The month of December appears to be one of the more expensive times to travel to Rio de Janeiro Santos Dumont Airport from Portland. Flying in the targeted month can save you up to 46%.

What is the cheapest time of day to fly from PDX to SDU?

When flying from Portland to Rio de Janeiro Santos Dumont Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$928+ Flights from Portland to Rio de Janeiro Santos Dumont Airport, Brazil

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Cheap flight deals from Portland to Santos Dumont

Round-trip from	$928 (Mytrip)
Popular in	December
Cheapest in	October
Average price	$1,288

From Portland to Rio de Janeiro Santos Dumont

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Highest demand for flights based on searches. 2% potential increase in price ($40 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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Average for round-trip flights in July 2025

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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 julio 30, 2025.

jue. 9/1810:00 amPDX - SDU

3 stops24h 20mMultiple Airlines

mié. 10/18:20 amSDU - PDX

3 stops34h 26mMultiple Airlines

Deal found 7/30

$928

lun. 9/227:21 amPDX - SDU

2 stops26h 19mLATAM Airlines

vie. 9/268:20 pmSDU - PDX

2 stops31h 19mLATAM Airlines

Deal found 7/29

$1,465

vie. 11/218:20 amPDX - SDU

2 stops25h 00mUnited Airlines

dom. 11/303:00 pmSDU - PDX

2 stops34h 29mUnited Airlines

Deal found 7/29

$1,560

mar. 8/196:00 amPDX - SDU

2 stops23h 35mDelta

mar. 8/268:20 pmSDU - PDX

2 stops20h 21mDelta

Deal found 7/28

$5,035

Best flights from Portland to Santos Dumont
Discover carefully curated flight deals from Portland to Santos Dumont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 30, 2025.

jue. 9/1810:00 amPDX - SDU

3 stops24h 20mMultiple Airlines

mié. 10/18:20 amSDU - PDX

3 stops34h 26mMultiple Airlines

Deal found 7/30

$928

lun. 9/227:21 amPDX - SDU

2 stops26h 19mLATAM Airlines

vie. 9/268:20 pmSDU - PDX

2 stops31h 19mLATAM Airlines

Deal found 7/29

$1,465

vie. 11/218:20 amPDX - SDU

2 stops25h 00mUnited Airlines

dom. 11/303:00 pmSDU - PDX

2 stops34h 29mUnited Airlines

Deal found 7/29

$1,560

mar. 8/196:00 amPDX - SDU

2 stops23h 35mDelta

mar. 8/268:20 pmSDU - PDX

2 stops20h 21mDelta

Deal found 7/28

$5,035

Last-minute flights from Portland to Santos Dumont
Discover last-minute flight deals from Portland to Santos Dumont. Data last updated julio 30, 2025 and is based on user searches.

lun. 8/1110:23 amPDX - SDU

3 stops32h 02mMultiple Airlines

jue. 8/143:15 pmSDU - PDX

3 stops31h 42mMultiple Airlines

Deal found 7/28

$1,041

lun. 8/116:14 amPDX - SDU

2 stops27h 26mLATAM Airlines

jue. 8/148:20 pmSDU - PDX

2 stops19h 19mLATAM Airlines

Deal found 7/28

$1,596

mar. 8/196:00 amPDX - SDU

2 stops23h 35mDelta

mar. 8/268:20 pmSDU - PDX

2 stops20h 21mDelta

Deal found 7/28

$5,035

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

jue. 9/18

10:00 am-2:20 pm

3 stops24h 20m

Rio de Janeiro Santos Dumont

mié. 10/1

8:20 am-2:46 pm

3 stops34h 26m

$928

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

lun. 9/22

7:21 am-1:40 pm

2 stops26h 19m

Rio de Janeiro Santos Dumont

vie. 9/26

8:20 pm-11:39 pm

2 stops31h 19m

$1,465

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

vie. 11/21

8:20 am-2:20 pm

2 stops25h 00m

Rio de Janeiro Santos Dumont

dom. 11/30

3:00 pm-8:29 pm

2 stops34h 29m

$1,560

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

mar. 8/19

6:00 am-9:35 am

2 stops23h 35m

Rio de Janeiro Santos Dumont

mar. 8/26

8:20 pm-12:41 pm

2 stops20h 21m

$5,035

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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.

Reviews of airlines servicing Santos Dumont

Read through reviews of airlines operating flights from Portland to Rio de Janeiro Santos Dumont Airport, such as Delta, LATAM Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

LATAM Airlines

7.5

Good

1,822 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,896 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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.
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.

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$928+ Cheap flights from Portland (PDX) to Santos Dumont, Brazil (SDU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Santos Dumont with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Portland to Santos Dumont

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Portland to Santos Dumont

Cheapest flights from Portland to Santos DumontExplore 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 julio 30, 2025.

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 julio 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Rio de Janeiro Santos Dumont Airport that are best for you.

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.

Reviews of airlines servicing Santos Dumont

Read through reviews of airlines operating flights from Portland to Rio de Janeiro Santos Dumont Airport, such as Delta, LATAM Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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 Portland to Santos Dumont

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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 julio 30, 2025.