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Cheap flights from Idaho Falls to South America from $418

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to South America departing on 1/4. 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 Idaho Falls to South America

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:30 pm - 11:55 pm
IDA
-
LIM
28h 25m2 stops
United Airlines Logo
1:50 am - 3:40 pm
LIM
-
IDA
39h 50m2 stops
$847United Airlines
lun., feb. 23 - mié., feb. 25
American Airlines Logo
2:07 pm - 9:30 pm
IDA
-
LIM
29h 23m2 stops
American Airlines Logo
10:55 pm - 1:37 pm
LIM
-
IDA
16h 42m2 stops
$1,044American Airlines
dom., ene. 25 - dom., feb. 1
Delta Logo
6:35 pm - 8:50 am
IDA
-
LIM
12h 15m1 stop
Delta Logo
12:50 am - 10:57 pm
LIM
-
IDA
24h 07m2 stops
$1,099Delta
dom., ene. 25 - sáb., ene. 31
United Airlines Logo
4:19 pm - 11:55 pm
IDA
-
LIM
29h 36m2 stops
United Airlines Logo
1:50 am - 9:16 pm
LIM
-
IDA
21h 26m2 stops
$1,370United Airlines
sáb., ene. 24 - vie., ene. 30
Delta Logo
1:15 pm - 8:50 am
IDA
-
LIM
17h 35m1 stop
Delta Logo
12:50 am - 10:57 pm
LIM
-
IDA
24h 07m2 stops
$1,448Delta
sáb., ene. 24 - vie., ene. 30
United Airlines Logo
6:30 am - 8:00 am
IDA
-
EZE
22h 30m2 stops
United Airlines Logo
9:00 pm - 3:37 pm
EZE
-
IDA
21h 37m2 stops
$1,470United Airlines
jue., abr. 9 - lun., abr. 13
United Airlines Logo
6:30 am - 7:20 am
IDA
-
EZE
20h 50m2 stops
United Airlines Logo
11:55 pm - 9:56 am
EZE
-
IDA
38h 01m2 stops
$1,542United Airlines
jue., ene. 22 - sáb., ene. 31
American Airlines Logo
2:07 pm - 8:25 am
IDA
-
EZE
14h 18m1 stop
American Airlines Logo
9:40 pm - 1:37 pm
EZE
-
IDA
19h 57m2 stops
$1,655American Airlines
jue., ene. 22 - sáb., ene. 31
Multiple Airlines Logo
5:25 am - 10:45 am
IDA
-
LIM
27h 20m3 stops
Multiple Airlines Logo
12:50 am - 6:18 pm
LIM
-
IDA
19h 28m2 stops
$5,504Multiple Airlines
sáb., ene. 24 - vie., ene. 30
Multiple Airlines Logo
5:25 am - 10:45 am
IDA
-
LIM
27h 20m3 stops
Multiple Airlines Logo
5:35 pm - 10:57 pm
LIM
-
IDA
31h 22m3 stops
$9,658Multiple Airlines
sáb., ene. 24 - sáb., ene. 31

United Airlines flights from Idaho Falls to South America

Our best United Airlines deals on Idaho Falls to South America flight tickets
United Airlines
Feb 23
IDA5:30 pmIdaho Falls Fanning Field
28h 25m
2 stops
LIM11:55 pmLima J Chavez Intl
Feb 25
LIM1:50 amLima J Chavez Intl
39h 50m
2 stops
IDA3:40 pmIdaho Falls Fanning Field
$847
Find similar
United Airlines
Jan 24
IDA4:19 pmIdaho Falls Fanning Field
29h 36m
2 stops
LIM11:55 pmLima J Chavez Intl
Jan 30
LIM1:50 amLima J Chavez Intl
21h 26m
2 stops
IDA9:16 pmIdaho Falls Fanning Field
$1,370
Find similar
United Airlines
Apr 9
IDA6:30 amIdaho Falls Fanning Field
22h 30m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
Apr 13
EZE9:00 pmBuenos Aires Ministro Pistarini
21h 37m
2 stops
IDA3:37 pmIdaho Falls Fanning Field
$1,470
Find similar

American Airlines flights from Idaho Falls to South America

Our best American Airlines deals on Idaho Falls to South America flight tickets
American Airlines
Jan 25
IDA2:07 pmIdaho Falls Fanning Field
29h 23m
2 stops
LIM9:30 pmLima J Chavez Intl
Feb 1
LIM10:55 pmLima J Chavez Intl
16h 42m
2 stops
IDA1:37 pmIdaho Falls Fanning Field
$1,044
Find similar
American Airlines
Jan 22
IDA2:07 pmIdaho Falls Fanning Field
14h 18m
1 stop
EZE8:25 amBuenos Aires Ministro Pistarini
Jan 31
EZE9:40 pmBuenos Aires Ministro Pistarini
19h 57m
2 stops
IDA1:37 pmIdaho Falls Fanning Field
$1,655
Find similar
American Airlines
Jan 22
IDA2:07 pmIdaho Falls Fanning Field
14h 18m
1 stop
EZE8:25 amBuenos Aires Ministro Pistarini
Jan 31
EZE10:25 pmBuenos Aires Ministro Pistarini
19h 12m
1 stop
IDA1:37 pmIdaho Falls Fanning Field
$2,162
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to South America 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 diciembre 11, 2025.
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 FallsLima

IDA - LIM

IDALIM

Idaho Falls Fanning Field

lun. 2/23

5:30 pm-11:55 pm

2 stops28h 25m

Lima J Chavez Intl

mié. 2/25

1:50 am-3:40 pm

2 stops39h 50m

$847

Idaho FallsLima

IDA - LIM

IDALIM

Idaho Falls Fanning Field

dom. 1/25

2:07 pm-9:30 pm

2 stops29h 23m

Lima J Chavez Intl

dom. 2/1

10:55 pm-1:37 pm

2 stops16h 42m

$1,044

Idaho FallsLima

IDA - LIM

IDALIM

Idaho Falls Fanning Field

dom. 1/25

6:35 pm-8:50 am

1 stop12h 15m

Lima J Chavez Intl

sáb. 1/31

12:50 am-10:57 pm

2 stops24h 07m

$1,099

Idaho FallsLima

IDA - LIM

IDALIM

Idaho Falls Fanning Field

sáb. 1/24

4:19 pm-11:55 pm

2 stops29h 36m

Lima J Chavez Intl

vie. 1/30

1:50 am-9:16 pm

2 stops21h 26m

$1,370

Idaho FallsLima

IDA - LIM

IDALIM

Idaho Falls Fanning Field

sáb. 1/24

1:15 pm-8:50 am

1 stop17h 35m

Lima J Chavez Intl

vie. 1/30

12:50 am-10:57 pm

2 stops24h 07m

$1,448

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

jue. 4/9

6:30 am-8:00 am

2 stops22h 30m

Buenos Aires Ministro Pistarini

lun. 4/13

9:00 pm-3:37 pm

2 stops21h 37m

$1,470

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

jue. 1/22

6:30 am-7:20 am

2 stops20h 50m

Buenos Aires Ministro Pistarini

sáb. 1/31

11:55 pm-9:56 am

2 stops38h 01m

$1,542

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

jue. 1/22

2:07 pm-8:25 am

1 stop14h 18m

Buenos Aires Ministro Pistarini

sáb. 1/31

9:40 pm-1:37 pm

2 stops19h 57m

$1,655

Idaho FallsLima

IDA - LIM

IDALIM

Idaho Falls Fanning Field

sáb. 1/24

5:25 am-10:45 am

3 stops27h 20m

Lima J Chavez Intl

vie. 1/30

12:50 am-6:18 pm

2 stops19h 28m

$5,504

Idaho FallsLima

IDA - LIM

IDALIM

Idaho Falls Fanning Field

sáb. 1/24

5:25 am-10:45 am

3 stops27h 20m

Lima J Chavez Intl

sáb. 1/31

5:35 pm-10:57 pm

3 stops31h 22m

$9,658

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Idaho Falls to South America

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 time of day to depart on your flight to South America?

Our data shows that the cheapest Idaho Falls to South America flights are usually those with departure times in the morning. Our users have found flights to South America in the morning for as low as $892. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,491 on average. Flights to South America from Idaho Falls at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Idaho Falls to South America flight deals and tips

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

Fastest flight time

22h 30m

Direct flights

None
The fastest flight from Idaho Falls to South America takes 22h 30m
There are no direct flights from Idaho Falls to South America. There are no popular flight routes from Idaho Falls to South America.
Search flight deals

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

    Prices for flights from Idaho Falls Fanning Field Airport to South America refresh daily.

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

    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 Idaho Falls Fanning Field Airport to South America.

  • What documentation or ID do you need to fly to South America?

    The necessary travel and health documents for your South America trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho Falls to South America. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to South America from Idaho Falls with this policy.

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

momondo helps you find the best flight between Idaho Falls and South America 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 Idaho Falls to South America right now. Can momondo alert me if prices change?

If you are simply researching potential flights to South America, momondo offers a useful price alert feature which will track prices for flights to South America from Idaho Falls and alert you when they change.

An easier way to manage your South America trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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