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Cheap flights from Portland to Rio de Janeiro from $485

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 9/15. 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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Find the cheapest flights from Portland to Rio de Janeiro

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 am - 1:10 pm
PDX
-
SDU
26h 10m
2 stops
Delta Logo
8:15 pm - 1:25 pm
SDU
-
PDX
22h 10m
2 stops
$1,152Delta
Wed, Oct 28 - Mon, Nov 9
Delta Logo
9:45 pm - 8:35 am
PDX
-
SDU
30h 50m
2 stops
Delta Logo
8:15 pm - 1:25 pm
SDU
-
PDX
22h 10m
2 stops
$1,169Delta
Sun, Oct 25 - Mon, Nov 9
LATAM Airlines Logo
2:30 pm - 1:10 pm
PDX
-
SDU
18h 40m
2 stops
LATAM Airlines Logo
8:15 pm - 12:18 pm
SDU
-
PDX
21h 03m
2 stops
$1,182LATAM Airlines
Sat, Oct 31 - Wed, Nov 4
LATAM Airlines Logo
2:30 pm - 1:10 pm
PDX
-
SDU
18h 40m
2 stops
LATAM Airlines Logo
8:15 pm - 7:08 pm
SDU
-
PDX
27h 53m
2 stops
$1,233LATAM Airlines
Wed, Oct 28 - Tue, Nov 10
LATAM Airlines Logo
6:04 am - 1:10 pm
PDX
-
SDU
26h 06m
2 stops
LATAM Airlines Logo
1:55 pm - 7:08 pm
SDU
-
PDX
34h 13m
2 stops
$1,252LATAM Airlines
Thu, Nov 5 - Thu, Nov 12
LATAM Airlines Logo
6:04 am - 1:10 pm
PDX
-
SDU
26h 06m
2 stops
LATAM Airlines Logo
1:55 pm - 10:56 am
SDU
-
PDX
26h 01m
2 stops
$1,263LATAM Airlines
Sun, Nov 1 - Tue, Nov 24
Copa Airlines Logo
12:51 pm - 4:45 pm
PDX
-
SDU
22h 54m
2 stops
Copa Airlines Logo
1:45 pm - 11:35 am
SDU
-
PDX
26h 50m
2 stops
$1,266Copa Airlines
Thu, Nov 5 - Thu, Nov 12
LATAM Airlines Logo
6:04 am - 8:35 am
PDX
-
SDU
21h 31m
2 stops
LATAM Airlines Logo
8:15 pm - 11:50 am
SDU
-
PDX
20h 35m
2 stops
$1,285LATAM Airlines
Wed, Nov 4 - Wed, Nov 11
LATAM Airlines Logo
9:45 pm - 8:35 am
PDX
-
SDU
29h 50m
2 stops
LATAM Airlines Logo
8:15 pm - 11:50 am
SDU
-
PDX
20h 35m
2 stops
$1,302LATAM Airlines
Wed, Nov 4 - Wed, Nov 11
LATAM Airlines Logo
9:45 pm - 8:35 am
PDX
-
SDU
29h 50m
2 stops
LATAM Airlines Logo
8:15 pm - 12:18 pm
SDU
-
PDX
21h 03m
2 stops
$1,303LATAM Airlines
Wed, Nov 4 - Wed, Nov 11

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
Oct 31
PDX2:30 pmPortland
18h 40m
2 stops
SDU1:10 pmRio de Janeiro Santos Dumont
Nov 4
SDU8:15 pmRio de Janeiro Santos Dumont
21h 03m
2 stops
PDX12:18 pmPortland
$1,182
LATAM Airlines
Oct 28
PDX2:30 pmPortland
18h 40m
2 stops
SDU1:10 pmRio de Janeiro Santos Dumont
Nov 10
SDU8:15 pmRio de Janeiro Santos Dumont
27h 53m
2 stops
PDX7:08 pmPortland
$1,233
LATAM Airlines
Nov 5
PDX6:04 amPortland
26h 06m
2 stops
SDU1:10 pmRio de Janeiro Santos Dumont
Nov 12
SDU1:55 pmRio de Janeiro Santos Dumont
34h 13m
2 stops
PDX7:08 pmPortland
$1,252

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
Jul 2
PDX2:25 pmPortland
22h 20m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Jul 9
SDU1:45 pmRio de Janeiro Santos Dumont
34h 34m
2 stops
PDX8:19 pmPortland
$1,339
United Airlines
Oct 31
PDX11:55 pmPortland
36h 50m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Nov 4
SDU1:45 pmRio de Janeiro Santos Dumont
24h 45m
2 stops
PDX9:30 amPortland
$1,369
United Airlines
Oct 4
PDX8:25 amPortland
28h 20m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Oct 11
SDU2:50 pmRio de Janeiro Santos Dumont
24h 43m
2 stops
PDX11:33 amPortland
$1,382

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 May 25, 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

Cheapest round-trip

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Wed 10/28

7:00 am-1:10 pm

2 stops26h 10m

Rio de Janeiro Santos Dumont

Mon 11/9

8:15 pm-1:25 pm

2 stops22h 10m

$1,152

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sun 10/25

9:45 pm-8:35 am

2 stops30h 50m

Rio de Janeiro Santos Dumont

Mon 11/9

8:15 pm-1:25 pm

2 stops22h 10m

$1,169
Quickest round-trip

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sat 10/31

2:30 pm-1:10 pm

2 stops18h 40m

Rio de Janeiro Santos Dumont

Wed 11/4

8:15 pm-12:18 pm

2 stops21h 03m

$1,182

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Wed 10/28

2:30 pm-1:10 pm

2 stops18h 40m

Rio de Janeiro Santos Dumont

Tue 11/10

8:15 pm-7:08 pm

2 stops27h 53m

$1,233

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Thu 11/5

6:04 am-1:10 pm

2 stops26h 06m

Rio de Janeiro Santos Dumont

Thu 11/12

1:55 pm-7:08 pm

2 stops34h 13m

$1,252

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sun 11/1

6:04 am-1:10 pm

2 stops26h 06m

Rio de Janeiro Santos Dumont

Tue 11/24

1:55 pm-10:56 am

2 stops26h 01m

$1,263

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Thu 11/5

12:51 pm-4:45 pm

2 stops22h 54m

Rio de Janeiro Santos Dumont

Thu 11/12

1:45 pm-11:35 am

2 stops26h 50m

$1,266

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Wed 11/4

6:04 am-8:35 am

2 stops21h 31m

Rio de Janeiro Santos Dumont

Wed 11/11

8:15 pm-11:50 am

2 stops20h 35m

$1,285

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Wed 11/4

9:45 pm-8:35 am

2 stops29h 50m

Rio de Janeiro Santos Dumont

Wed 11/11

8:15 pm-11:50 am

2 stops20h 35m

$1,302

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Wed 11/4

9:45 pm-8:35 am

2 stops29h 50m

Rio de Janeiro Santos Dumont

Wed 11/11

8:15 pm-12:18 pm

2 stops21h 03m

$1,303

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

18h 40m

Direct flights

None
The fastest flight from Portland to Rio de Janeiro Santos Dumont Airport takes 18h 40m
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

Frequently asked questions about flying from Portland to Rio de Janeiro Santos Dumont Airport

  • 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 18h 40m 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.

Frequently asked questions about flying from Portland to Rio de Janeiro Santos Dumont Airport

  • 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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