What is the cheapest month to book a flight from Idaho Falls to South America?

Currently, May is the cheapest month in which you can book a flight from Idaho Falls to South America (average of $359). Flying from Idaho Falls to South America in December is currently the most expensive (average of $664). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What airport do you fly from for flights from Idaho Falls to South America?

Located just 3.8 mi from the city center, Idaho Falls Fanning Field (IDA) is the airport most travelers will use when flying to South America from Idaho Falls.

Can I find deals for flights from Idaho Falls to South America that include hotel bookings?

Yes. In addition to deals on Idaho Falls to South America flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Idaho Falls to South America?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to South America.

Can I find deals for business class flights from Idaho Falls to South America?

Yes. Cheapflights offers flight deals from Idaho Falls to South America by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,177+ Flights from Idaho Falls to South America

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Cheap flight deals from Idaho Falls to South America

Round-trip from	$1,422 (United)
One-way from	$492 (Kiwi.com)

From Idaho Falls Fanning Field to South America

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One-way flight from Idaho Falls Fanning Field to South America

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Find flight deals from Idaho Falls to South America

Cheapest flights from Idaho Falls to South America
Explore the most affordable flight options available from Idaho Falls to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 18, 2025.

vie. 8/156:03 pmIDA - EZE

3 stops55h 47mMultiple Airlines

dom. 8/249:00 pmEZE - IDA

2 stops28h 48mMultiple Airlines

Deal found 6/16

$1,422

mar. 7/86:03 pmIDA - EZE

2 stops34h 57mUnited Airlines

mié. 8/279:00 pmEZE - IDA

2 stops26h 54mUnited Airlines

Deal found 6/18

$1,443

Best flights from Idaho Falls to South America
Discover carefully curated flight deals from Idaho Falls to South America that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 18, 2025.

vie. 8/156:03 pmIDA - EZE

3 stops55h 47mMultiple Airlines

dom. 8/249:00 pmEZE - IDA

2 stops28h 48mMultiple Airlines

Deal found 6/16

$1,422

mar. 7/86:03 pmIDA - EZE

2 stops34h 57mUnited Airlines

mié. 8/279:00 pmEZE - IDA

2 stops26h 54mUnited Airlines

Deal found 6/18

$1,443

Last-minute flights from Idaho Falls to South America
Discover last-minute flight deals from Idaho Falls to South America. Data last updated junio 18, 2025 and is based on user searches.

mar. 7/86:03 pmIDA - EZE

2 stops34h 57mUnited Airlines

mié. 8/279:00 pmEZE - IDA

2 stops26h 54mUnited Airlines

Deal found 6/18

$1,443

jue. 7/315:49 pmIDA - EZE

3 stops29h 41mMultiple Airlines

mié. 8/63:48 amEZE - IDA

3 stops34h 56mMultiple Airlines

Deal found 6/15

$1,730

One-way flights from Idaho Falls to South America
Search for one-way flight options from Idaho Falls to South America. Find affordable one-way fares based on user searches. Data last updated junio 18, 2025.

vie. 8/157:31 pmIDA - EZE

3 stops50h 54mMultiple Airlines

Deal found 6/16

$492

vie. 8/1511:20 amIDA - EZE

2 stops19h 25mDelta

Deal found 6/16

$688

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho Falls to South America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

vie. 8/15

6:03 pm-4:50 am

3 stops55h 47m

Buenos Aires Ministro Pistarini

dom. 8/24

9:00 pm-10:48 pm

2 stops28h 48m

$1,422

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

mar. 7/8

6:03 pm-8:00 am

2 stops34h 57m

Buenos Aires Ministro Pistarini

mié. 8/27

9:00 pm-8:54 pm

2 stops26h 54m

$1,443

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

vie. 8/15

7:31 pm-1:25 am

3 stops50h 54m

$492

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

vie. 8/15

11:20 am-9:45 am

2 stops19h 25m

$688

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Best time to book a flight from Idaho Falls to South America

Have a flexible travel schedule? Discover the best time to fly to South America from Idaho Falls 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.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to South America

What is the cheapest time of day to fly from IDA to SA?

When flying from Idaho Falls to South America, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in South America by month

In terms of precipitation, rainfall in South America ranges from 0.8 - 9.4 inches per month. January is typically the wettest month, when rainfall can reach 9.4 in. July is typically the driest time to visit South America when rainfall is around 0.8 in.

Temperature in South America by month

If weather is an important factor for your trip to South America, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 62.6 F).

Reviews of airlines servicing South America

Delta

8.0

Very good

7,964 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

7,964 reviews

Delta

8.0

Very good

7,964 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

8,810 reviews

Delta

8.0

Very good

7,964 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 Idaho Falls to South America?
Located just 3.8 mi from the city center, Idaho Falls Fanning Field (IDA) is the airport most travelers will use when flying to South America from Idaho Falls.
Can I find deals for flights from Idaho Falls to South America that include hotel bookings?
Yes. In addition to deals on Idaho Falls to South America flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Idaho Falls to South America?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to South America.
Can I find deals for business class flights from Idaho Falls to South America?
Yes. Cheapflights offers flight deals from Idaho Falls to South America by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Idaho Falls to South America?
Currently, May is the cheapest month in which you can book a flight from Idaho Falls to South America (average of $359). Flying from Idaho Falls to South America in December is currently the most expensive (average of $664). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Idaho Falls to South America

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$753	Average$977	FlexibilityNo cancel fee	On-timeN/A

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$492+ Cheap flights from Idaho Falls (IDA) to South America

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho Falls to South America with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Idaho Falls to South America

Keep the following information in mind while searching for Idaho Falls to South America flight deals. Data was last updated junio 18, 2025.

Round-trip from

One-way from

Find flight deals from Idaho Falls to South America

Cheapest flights from Idaho Falls to South AmericaExplore the most affordable flight options available from Idaho Falls to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 18, 2025.

Explore the most affordable flight options available from Idaho Falls to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 18, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho Falls to South America that are best for you.

Best time to book a flight from Idaho Falls to South America

Have a flexible travel schedule? Discover the best time to fly to South America from Idaho Falls with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to South America

What is the cheapest time of day to fly from IDA to SA?

Find hourly flight availability from Idaho Falls to South America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 18, 2025.

Rainfall in South America by month

Plan your trip to South America by taking into account the average rainfall totals by month.

Temperature in South America by month

Plan your trip to South America by taking into account the average temperature totals by month.

Reviews of airlines servicing South America

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to South America. 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 Idaho Falls to South America?

Can I find deals for flights from Idaho Falls to South America that include hotel bookings?

How can I find direct flights from Idaho Falls to South America?

Can I find deals for business class flights from Idaho Falls to South America?

What is the cheapest month to book a flight from Idaho Falls to South America?

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 Idaho Falls to South America

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Idaho Falls to South America

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Idaho Falls to South America
Explore the most affordable flight options available from Idaho Falls to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 18, 2025.