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Cheap flights from Portland to Rio de Janeiro from $740

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 6/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
6:04 am - 1:10 pm
PDX
-
SDU
27h 06m
2 stops
LATAM Airlines Logo
1:55 pm - 11:50 am
SDU
-
PDX
25h 55m
2 stops
$1,352LATAM Airlines
Wed, Sep 30 - Tue, Oct 20
LATAM Airlines Logo
6:04 am - 8:35 am
PDX
-
SDU
22h 31m
2 stops
LATAM Airlines Logo
8:15 pm - 7:08 pm
SDU
-
PDX
26h 53m
2 stops
$1,364LATAM Airlines
Wed, Sep 30 - Tue, Oct 20
Multiple Airlines Logo
6:35 am - 8:35 am
PDX
-
SDU
22h 00m
2 stops
Multiple Airlines Logo
1:55 pm - 1:05 pm
SDU
-
PDX
27h 10m
2 stops
$1,387Multiple Airlines
Fri, Jun 12 - Sun, Jun 21
Multiple Airlines Logo
7:00 am - 1:10 pm
PDX
-
SDU
26h 10m
2 stops
Multiple Airlines Logo
1:55 pm - 4:47 pm
SDU
-
PDX
30h 52m
2 stops
$1,402Multiple Airlines
Wed, Jul 1 - Tue, Jul 28
Multiple Airlines Logo
2:39 pm - 8:35 am
PDX
-
SDU
37h 56m
2 stops
Multiple Airlines Logo
8:15 pm - 4:47 pm
SDU
-
PDX
24h 32m
2 stops
$1,415Multiple Airlines
Sun, Jun 14 - Fri, Jun 19
LATAM Airlines Logo
6:04 am - 8:35 am
PDX
-
SDU
22h 31m
2 stops
LATAM Airlines Logo
8:15 pm - 1:25 pm
SDU
-
PDX
21h 10m
2 stops
$1,429LATAM Airlines
Sun, Oct 4 - Sun, Oct 11
Multiple Airlines Logo
9:56 pm - 8:35 am
PDX
-
SDU
30h 39m
2 stops
Multiple Airlines Logo
1:55 pm - 10:34 pm
SDU
-
PDX
36h 39m
2 stops
$1,430Multiple Airlines
Sun, Jun 14 - Sun, Jun 21
Multiple Airlines Logo
5:37 pm - 8:35 am
PDX
-
SDU
34h 58m
2 stops
Multiple Airlines Logo
8:15 pm - 4:47 pm
SDU
-
PDX
24h 32m
2 stops
$1,431Multiple Airlines
Sun, Jun 14 - Fri, Jun 19
United Airlines Logo
10:45 am - 4:45 pm
PDX
-
SDU
26h 00m
2 stops
United Airlines Logo
1:45 pm - 11:58 am
SDU
-
PDX
26h 13m
2 stops
$1,441United Airlines
Tue, Sep 22 - Wed, Oct 7
Delta Logo
6:04 am - 8:35 am
PDX
-
SDU
22h 31m
2 stops
Delta Logo
8:15 pm - 1:25 pm
SDU
-
PDX
21h 10m
2 stops
$1,444Delta
Sun, Oct 4 - Sun, Oct 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
Sep 30
PDX6:04 amPortland
27h 06m
2 stops
SDU1:10 pmRio de Janeiro Santos Dumont
Oct 20
SDU1:55 pmRio de Janeiro Santos Dumont
25h 55m
2 stops
PDX11:50 amPortland
$1,352
LATAM Airlines
Sep 30
PDX6:04 amPortland
22h 31m
2 stops
SDU8:35 amRio de Janeiro Santos Dumont
Oct 20
SDU8:15 pmRio de Janeiro Santos Dumont
26h 53m
2 stops
PDX7:08 pmPortland
$1,364
LATAM Airlines
Oct 4
PDX6:04 amPortland
22h 31m
2 stops
SDU8:35 amRio de Janeiro Santos Dumont
Oct 11
SDU8:15 pmRio de Janeiro Santos Dumont
21h 10m
2 stops
PDX1:25 pmPortland
$1,429

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
Sep 22
PDX10:45 amPortland
26h 00m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Oct 7
SDU1:45 pmRio de Janeiro Santos Dumont
26h 13m
2 stops
PDX11:58 amPortland
$1,441
United Airlines
May 5
PDX11:55 pmPortland
36h 50m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
May 12
SDU1:45 pmRio de Janeiro Santos Dumont
33h 53m
2 stops
PDX7:38 pmPortland
$1,620
United Airlines
May 3
PDX11:55 pmPortland
36h 50m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
May 10
SDU2:50 pmRio de Janeiro Santos Dumont
33h 52m
2 stops
PDX8:42 pmPortland
$1,660

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 April 9, 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 9/30

6:04 am-1:10 pm

2 stops27h 06m

Rio de Janeiro Santos Dumont

Tue 10/20

1:55 pm-11:50 am

2 stops25h 55m

$1,352

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Wed 9/30

6:04 am-8:35 am

2 stops22h 31m

Rio de Janeiro Santos Dumont

Tue 10/20

8:15 pm-7:08 pm

2 stops26h 53m

$1,364

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Fri 6/12

6:35 am-8:35 am

2 stops22h 00m

Rio de Janeiro Santos Dumont

Sun 6/21

1:55 pm-1:05 pm

2 stops27h 10m

$1,387

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Wed 7/1

7:00 am-1:10 pm

2 stops26h 10m

Rio de Janeiro Santos Dumont

Tue 7/28

1:55 pm-4:47 pm

2 stops30h 52m

$1,402

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sun 6/14

2:39 pm-8:35 am

2 stops37h 56m

Rio de Janeiro Santos Dumont

Fri 6/19

8:15 pm-4:47 pm

2 stops24h 32m

$1,415
Quickest round-trip

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sun 10/4

6:04 am-8:35 am

2 stops22h 31m

Rio de Janeiro Santos Dumont

Sun 10/11

8:15 pm-1:25 pm

2 stops21h 10m

$1,429

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sun 6/14

9:56 pm-8:35 am

2 stops30h 39m

Rio de Janeiro Santos Dumont

Sun 6/21

1:55 pm-10:34 pm

2 stops36h 39m

$1,430

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sun 6/14

5:37 pm-8:35 am

2 stops34h 58m

Rio de Janeiro Santos Dumont

Fri 6/19

8:15 pm-4:47 pm

2 stops24h 32m

$1,431

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Tue 9/22

10:45 am-4:45 pm

2 stops26h 00m

Rio de Janeiro Santos Dumont

Wed 10/7

1:45 pm-11:58 am

2 stops26h 13m

$1,441

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Sun 10/4

6:04 am-8:35 am

2 stops22h 31m

Rio de Janeiro Santos Dumont

Sun 10/11

8:15 pm-1:25 pm

2 stops21h 10m

$1,444

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Rio de Janeiro from

How to get the cheapest flight ticket from Portland to Rio de Janeiro Santos Dumont Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Portland to Rio de Janeiro Santos Dumont?

LATAM Airlines is the most popular carrier operating from Portland to Rio de Janeiro Santos Dumont

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

21h 25m

Direct flights

None
The fastest flight from Portland to Rio de Janeiro Santos Dumont Airport takes 21h 25m
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 21h 25m 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.

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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