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Cheap flights from South America to Idaho Falls from $1,225

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from South America to Idaho Falls departing on 5/1. 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 South America to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:30 pm - 9:55 am
GRU
-
IDA
39h 25m
2 stops
United Airlines Logo
5:26 pm - 6:30 am
IDA
-
GRU
34h 04m
2 stops
$1,225United Airlines
Fri, May 1 - Sat, May 16
Delta Logo
10:15 am - 2:34 pm
GRU
-
IDA
31h 19m
2 stops
Delta Logo
6:00 am - 8:00 pm
IDA
-
GRU
35h 00m
2 stops
$1,226Delta
Sat, May 9 - Tue, Jun 2
Multiple Airlines Logo
10:45 pm - 10:40 pm
GRU
-
IDA
26h 55m
2 stops
Multiple Airlines Logo
6:00 am - 5:20 am
IDA
-
GRU
20h 20m
2 stops
$1,377Multiple Airlines
Sat, May 9 - Tue, Jun 2
American Airlines Logo
9:25 pm - 11:39 pm
GRU
-
IDA
29h 14m
2 stops
American Airlines Logo
1:53 pm - 9:00 am
IDA
-
GRU
16h 07m
1 stop
$1,414American Airlines
Sat, May 9 - Tue, Jun 2
American Airlines Logo
10:30 pm - 11:39 pm
GRU
-
IDA
28h 09m
2 stops
American Airlines Logo
1:43 pm - 9:00 am
IDA
-
GRU
16h 17m
1 stop
$1,456American Airlines
Fri, May 1 - Sat, May 16
American Airlines Logo
10:00 pm - 1:13 pm
GRU
-
IDA
18h 13m
1 stop
American Airlines Logo
1:43 pm - 9:00 am
IDA
-
GRU
16h 17m
1 stop
$1,588American Airlines
Fri, May 1 - Sat, May 16
American Airlines Logo
10:00 pm - 1:13 pm
GRU
-
IDA
18h 13m
1 stop
American Airlines Logo
1:53 pm - 9:00 am
IDA
-
GRU
16h 07m
1 stop
$1,687American Airlines
Sat, May 9 - Tue, Jun 2

American Airlines flights from South America to Idaho Falls

Our best American Airlines deals on South America to Idaho Falls flight tickets
American Airlines
May 9
GRU9:25 pmSao Paulo Guarulhos Intl
29h 14m
2 stops
IDA11:39 pmIdaho Falls Fanning Field
Jun 2
IDA1:53 pmIdaho Falls Fanning Field
16h 07m
1 stop
GRU9:00 amSao Paulo Guarulhos Intl
$1,414
American Airlines
May 1
GRU10:30 pmSao Paulo Guarulhos Intl
28h 09m
2 stops
IDA11:39 pmIdaho Falls Fanning Field
May 16
IDA1:43 pmIdaho Falls Fanning Field
16h 17m
1 stop
GRU9:00 amSao Paulo Guarulhos Intl
$1,456
American Airlines
May 1
GRU10:00 pmSao Paulo Guarulhos Intl
18h 13m
1 stop
IDA1:13 pmIdaho Falls Fanning Field
May 16
IDA1:43 pmIdaho Falls Fanning Field
16h 17m
1 stop
GRU9:00 amSao Paulo Guarulhos Intl
$1,588

momondo Fare Finder

 
Customize your flight search to find flights from South America to Idaho Falls 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 21, 2026.
Use the filters below to find and compare flights from South America to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sao PauloIdaho Falls

GRU - IDA

GRUIDA

Sao Paulo Guarulhos Intl

Fri 5/1

9:30 pm-9:55 am

2 stops39h 25m

Idaho Falls Fanning Field

Sat 5/16

5:26 pm-6:30 am

2 stops34h 04m

$1,225

Sao PauloIdaho Falls

GRU - IDA

GRUIDA

Sao Paulo Guarulhos Intl

Sat 5/9

10:15 am-2:34 pm

2 stops31h 19m

Idaho Falls Fanning Field

Tue 6/2

6:00 am-8:00 pm

2 stops35h 00m

$1,226

Sao PauloIdaho Falls

GRU - IDA

GRUIDA

Sao Paulo Guarulhos Intl

Sat 5/9

10:45 pm-10:40 pm

2 stops26h 55m

Idaho Falls Fanning Field

Tue 6/2

6:00 am-5:20 am

2 stops20h 20m

$1,377

Sao PauloIdaho Falls

GRU - IDA

GRUIDA

Sao Paulo Guarulhos Intl

Sat 5/9

9:25 pm-11:39 pm

2 stops29h 14m

Idaho Falls Fanning Field

Tue 6/2

1:53 pm-9:00 am

1 stop16h 07m

$1,414

Sao PauloIdaho Falls

GRU - IDA

GRUIDA

Sao Paulo Guarulhos Intl

Fri 5/1

10:30 pm-11:39 pm

2 stops28h 09m

Idaho Falls Fanning Field

Sat 5/16

1:43 pm-9:00 am

1 stop16h 17m

$1,456

Sao PauloIdaho Falls

GRU - IDA

GRUIDA

Sao Paulo Guarulhos Intl

Fri 5/1

10:00 pm-1:13 pm

1 stop18h 13m

Idaho Falls Fanning Field

Sat 5/16

1:43 pm-9:00 am

1 stop16h 17m

$1,588

Sao PauloIdaho Falls

GRU - IDA

GRUIDA

Sao Paulo Guarulhos Intl

Sat 5/9

10:00 pm-1:13 pm

1 stop18h 13m

Idaho Falls Fanning Field

Tue 6/2

1:53 pm-9:00 am

1 stop16h 07m

$1,687

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap South America to Idaho Falls flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South America to Idaho Falls

Fastest flight time

29h 59m

Direct flights

None
The fastest flight from South America to Idaho Falls takes 29h 59m
There are no direct flights from South America to Idaho Falls. There are no popular flight routes from South America to Idaho Falls.
Search flight deals

  • When did momondo last update prices for flights from South America to Idaho Falls Fanning Field Airport?

    Prices for flights from South America to Idaho Falls Fanning Field Airport are refreshed on a daily basis.

  • How old do you have to be to fly from South America to Idaho Falls Fanning Field Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South America to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents required for your trip to Idaho Falls Fanning Field 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 Idaho Falls Fanning Field 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 South America to Idaho Falls?

    Confirm your travel details to search for the latest offers for flights from South America to Idaho Falls. 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 South America to Idaho Falls 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?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

Why should I use momondo to find a flight deal from South America to Idaho Falls?

Finding the right flight to Idaho Falls from South America 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 Idaho Falls quick and easy, saving you time and money.

Can I find flights from South America to Idaho Falls with flexible booking policies on momondo?

Yes. All flights to Idaho Falls from South America on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from South America to Idaho Falls?

momondo helps you find the best flight between South America and Idaho Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from South America to Idaho Falls right now. Can momondo alert me if prices change?

Yes. momondo can track prices for South America to Idaho Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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