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Cheap flights from Portland to Rio de Janeiro from $515

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Rio de Janeiro departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
7:00 am - 5:05 pm
PDX
-
SDU
30h 05m
2 stops
LATAM Airlines Logo
8:15 pm - 12:28 pm
SDU
-
PDX
20h 13m
2 stops
$1,338LATAM Airlines
Thu, May 14 - Sun, May 17
Multiple Airlines Logo
7:00 am - 9:25 am
PDX
-
SDU
21h 25m
2 stops
Multiple Airlines Logo
8:05 pm - 1:37 pm
SDU
-
PDX
21h 32m
2 stops
$1,414Multiple Airlines
Sun, Mar 1 - Tue, Mar 17
LATAM Airlines Logo
7:00 am - 1:15 pm
PDX
-
SDU
25h 15m
2 stops
LATAM Airlines Logo
8:05 pm - 12:14 pm
SDU
-
PDX
20h 09m
2 stops
$1,433LATAM Airlines
Tue, Mar 3 - Tue, Mar 17
United Airlines Logo
2:10 pm - 4:45 pm
PDX
-
SDU
22h 35m
2 stops
United Airlines Logo
1:45 pm - 12:34 pm
SDU
-
PDX
26h 49m
2 stops
$1,446United Airlines
Sun, Apr 5 - Wed, Apr 22
Multiple Airlines Logo
8:00 am - 4:45 pm
PDX
-
SDU
28h 45m
3 stops
Multiple Airlines Logo
8:30 am - 2:40 pm
SDU
-
PDX
34h 10m
3 stops
$1,450Multiple Airlines
Sun, Apr 5 - Wed, Apr 22
Multiple Airlines Logo
7:00 am - 9:25 am
PDX
-
SDU
22h 25m
2 stops
Multiple Airlines Logo
8:05 pm - 12:14 pm
SDU
-
PDX
20h 09m
2 stops
$1,466Multiple Airlines
Wed, Mar 18 - Thu, Mar 26
United Airlines Logo
2:05 pm - 4:45 pm
PDX
-
SDU
22h 40m
2 stops
United Airlines Logo
1:50 pm - 11:51 am
SDU
-
PDX
26h 01m
2 stops
$1,481United Airlines
Tue, Mar 17 - Tue, Mar 24
Air Canada Logo
9:50 am - 4:45 pm
PDX
-
SDU
26h 55m
3 stops
Air Canada Logo
1:50 pm - 2:40 pm
SDU
-
PDX
28h 50m
3 stops
$1,576Air Canada
Tue, Mar 17 - Tue, Mar 24
LATAM Airlines Logo
7:00 am - 9:25 am
PDX
-
SDU
22h 25m
2 stops
LATAM Airlines Logo
2:50 pm - 12:14 pm
SDU
-
PDX
25h 24m
2 stops
$1,584LATAM Airlines
Wed, Mar 18 - Tue, Mar 31
Multiple Airlines Logo
6:30 pm - 9:10 am
PDX
-
SDU
34h 40m
3 stops
Multiple Airlines Logo
6:15 am - 9:55 am
SDU
-
PDX
31h 40m
3 stops
$1,588Multiple Airlines
Thu, May 14 - Sun, May 17

LATAM Airlines flights from Portland to Rio de Janeiro Santos Dumont Airport

Our best LATAM Airlines deals on Portland to Rio de Janeiro Santos Dumont Airport flight tickets
LATAM Airlines
May 14
PDX7:00 amPortland
30h 05m
2 stops
SDU5:05 pmRio de Janeiro Santos Dumont
May 17
SDU8:15 pmRio de Janeiro Santos Dumont
20h 13m
2 stops
PDX12:28 pmPortland
$1,338
LATAM Airlines
Mar 3
PDX7:00 amPortland
25h 15m
2 stops
SDU1:15 pmRio de Janeiro Santos Dumont
Mar 17
SDU8:05 pmRio de Janeiro Santos Dumont
20h 09m
2 stops
PDX12:14 pmPortland
$1,433
LATAM Airlines
Mar 18
PDX7:00 amPortland
22h 25m
2 stops
SDU9:25 amRio de Janeiro Santos Dumont
Mar 31
SDU2:50 pmRio de Janeiro Santos Dumont
25h 24m
2 stops
PDX12:14 pmPortland
$1,584

United Airlines flights from Portland to Rio de Janeiro Santos Dumont Airport

Our best United Airlines deals on Portland to Rio de Janeiro Santos Dumont Airport flight tickets
United Airlines
Apr 5
PDX2:10 pmPortland
22h 35m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Apr 22
SDU1:45 pmRio de Janeiro Santos Dumont
26h 49m
2 stops
PDX12:34 pmPortland
$1,446
United Airlines
Mar 17
PDX2:05 pmPortland
22h 40m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Mar 24
SDU1:50 pmRio de Janeiro Santos Dumont
26h 01m
2 stops
PDX11:51 amPortland
$1,481
United Airlines
Apr 24
PDX10:55 pmPortland
38h 50m
2 stops
SDU5:45 pmRio de Janeiro Santos Dumont
May 2
SDU5:30 pmRio de Janeiro Santos Dumont
33h 29m
2 stops
PDX10:59 pmPortland
$1,599

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Rio de Janeiro Santos Dumont Airport 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, momondo users made 832,500 searches. Data last updated February 20, 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

Fly to

Route

Depart

Return

Price

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Thu 5/14

7:00 am-5:05 pm

2 stops30h 05m

Rio de Janeiro Santos Dumont

Sun 5/17

8:15 pm-12:28 pm

2 stops20h 13m

$1,338

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sun 3/1

7:00 am-9:25 am

2 stops21h 25m

Rio de Janeiro Santos Dumont

Tue 3/17

8:05 pm-1:37 pm

2 stops21h 32m

$1,414

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Tue 3/3

7:00 am-1:15 pm

2 stops25h 15m

Rio de Janeiro Santos Dumont

Tue 3/17

8:05 pm-12:14 pm

2 stops20h 09m

$1,433

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sun 4/5

2:10 pm-4:45 pm

2 stops22h 35m

Rio de Janeiro Santos Dumont

Wed 4/22

1:45 pm-12:34 pm

2 stops26h 49m

$1,446

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sun 4/5

8:00 am-4:45 pm

3 stops28h 45m

Rio de Janeiro Santos Dumont

Wed 4/22

8:30 am-2:40 pm

3 stops34h 10m

$1,450

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Wed 3/18

7:00 am-9:25 am

2 stops22h 25m

Rio de Janeiro Santos Dumont

Thu 3/26

8:05 pm-12:14 pm

2 stops20h 09m

$1,466

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Tue 3/17

2:05 pm-4:45 pm

2 stops22h 40m

Rio de Janeiro Santos Dumont

Tue 3/24

1:50 pm-11:51 am

2 stops26h 01m

$1,481

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Tue 3/17

9:50 am-4:45 pm

3 stops26h 55m

Rio de Janeiro Santos Dumont

Tue 3/24

1:50 pm-2:40 pm

3 stops28h 50m

$1,576

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Wed 3/18

7:00 am-9:25 am

2 stops22h 25m

Rio de Janeiro Santos Dumont

Tue 3/31

2:50 pm-12:14 pm

2 stops25h 24m

$1,584

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Thu 5/14

6:30 pm-9:10 am

3 stops34h 40m

Rio de Janeiro Santos Dumont

Sun 5/17

6:15 am-9:55 am

3 stops31h 40m

$1,588

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Portland to Rio de Janeiro Santos Dumont Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Rio de Janeiro Santos Dumont Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Rio de Janeiro Santos Dumont Airport (PDX to SDU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Rio de Janeiro Santos Dumont Airport

Fastest flight time

22h 33m

Direct flights

None
The fastest flight from Portland to Rio de Janeiro Santos Dumont Airport takes 22h 33m
There are no direct flights from Portland to Rio de Janeiro Santos Dumont Airport. There are no popular flight routes from Portland to Rio de Janeiro Santos Dumont Airport.
Search flight deals

  • How far is Portland to Rio de Janeiro Santos Dumont by plane?

    The straight-line distance from Portland to Rio de Janeiro Santos Dumont is 6851.0 mi. Typically, this will take 22h 33m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to Rio de Janeiro Santos Dumont Airport?

    Prices for flights from Portland Airport to Rio de Janeiro Santos Dumont Airport were last updated today.

  • How old do you have to be to fly from Portland Airport to Rio de Janeiro Santos Dumont Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Rio de Janeiro Santos Dumont Airport.

  • What documentation or ID do you need to fly to Rio de Janeiro Santos Dumont Airport?

    The travel and health documents required for your trip to Rio de Janeiro Santos Dumont Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Rio de Janeiro Santos Dumont Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Portland to Rio de Janeiro Santos Dumont Airport?

    Confirm your travel details to search for the latest offers for flights from Portland to Rio de Janeiro Santos Dumont Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Portland to Rio de Janeiro Santos Dumont Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Rio de Janeiro?

Finding the right flight to Rio de Janeiro from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Rio de Janeiro quick and easy, saving you time and money.

Can I find flights from Portland to Rio de Janeiro with flexible booking policies on momondo?

Flights from Portland to Rio de Janeiro with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Rio de Janeiro?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Rio de Janeiro from Portland.

I’m not ready to book a flight from Portland to Rio de Janeiro right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Rio de Janeiro, momondo offers a useful price alert feature which will track prices for flights to Rio de Janeiro from Portland and alert you when they change.

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