Cheap flights from South America to Idaho from $414

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South America to Idaho departing on 8/19. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
12:50 am - 3:01 pm
LIM
-
BOI
15h 11m
1 stop
LATAM Airlines Logo
4:00 pm - 8:05 am
BOI
-
LIM
15h 05m
1 stop
$743LATAM Airlines
Mon, Sep 7 - Tue, Sep 15
LATAM Airlines Logo
1:30 pm - 12:24 pm
LIM
-
BOI
23h 54m
2 stops
LATAM Airlines Logo
4:00 pm - 8:05 am
BOI
-
LIM
15h 05m
1 stop
$748LATAM Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
12:50 am - 5:15 pm
LIM
-
BOI
17h 25m
2 stops
Multiple Airlines Logo
7:48 pm - 5:00 am
BOI
-
LIM
32h 12m
2 stops
$824Multiple Airlines
Tue, Sep 22 - Wed, Sep 30
United Airlines Logo
7:25 am - 9:51 am
UIO
-
IDA
27h 26m
2 stops
United Airlines Logo
4:04 pm - 5:00 am
IDA
-
UIO
11h 56m
2 stops
$898United Airlines
Fri, Aug 28 - Mon, Aug 31
United Airlines Logo
7:25 am - 11:38 am
UIO
-
IDA
29h 13m
2 stops
United Airlines Logo
4:04 pm - 5:00 am
IDA
-
UIO
11h 56m
2 stops
$904United Airlines
Fri, Aug 28 - Mon, Aug 31
Multiple Airlines Logo
3:05 am - 10:15 pm
LIM
-
GEG
21h 10m
2 stops
Multiple Airlines Logo
6:20 am - 3:30 am
GEG
-
LIM
19h 10m
2 stops
$1,013Multiple Airlines
Tue, Jun 23 - Thu, Jul 23
Delta Logo
11:25 pm - 5:50 pm
SCL
-
BOI
21h 25m
2 stops
Delta Logo
1:43 pm - 7:40 am
BOI
-
SCL
14h 57m
1 stop
$1,216Delta
Thu, Oct 1 - Mon, Oct 26
Delta Logo
8:40 pm - 5:47 pm
SCL
-
BOI
23h 07m
2 stops
Delta Logo
7:00 am - 2:05 pm
BOI
-
SCL
28h 05m
2 stops
$1,316Delta
Tue, Sep 1 - Tue, Sep 22
American Airlines Logo
10:00 pm - 11:19 am
GRU
-
BOI
16h 19m
1 stop
American Airlines Logo
2:49 pm - 9:00 am
BOI
-
GRU
15h 11m
1 stop
$1,328American Airlines
Tue, Jul 28 - Thu, Aug 13
American Airlines Logo
10:00 pm - 11:19 am
GRU
-
BOI
16h 19m
1 stop
American Airlines Logo
2:49 pm - 9:00 am
BOI
-
GRU
15h 11m
1 stop
$1,331American Airlines
Tue, Jul 28 - Thu, Aug 13

LATAM Airlines flights from South America to Idaho

Our best LATAM Airlines deals on South America to Idaho flight tickets
LATAM Airlines
Sep 7
LIM12:50 amLima J Chavez Intl
15h 11m
1 stop
BOI3:01 pmBoise Air Term. Gowen Fld
Sep 15
BOI4:00 pmBoise Air Term. Gowen Fld
15h 05m
1 stop
LIM8:05 amLima J Chavez Intl
$743
LATAM Airlines
Sep 8
LIM1:30 pmLima J Chavez Intl
23h 54m
2 stops
BOI12:24 pmBoise Air Term. Gowen Fld
Sep 15
BOI4:00 pmBoise Air Term. Gowen Fld
15h 05m
1 stop
LIM8:05 amLima J Chavez Intl
$748
LATAM Airlines
Oct 21
LIM12:05 amLima J Chavez Intl
13h 34m
1 stop
BOI12:39 pmBoise Air Term. Gowen Fld
Oct 25
BOI11:30 pmBoise Air Term. Gowen Fld
19h 50m
2 stops
LIM8:20 pmLima J Chavez Intl
$775

United Airlines flights from South America to Idaho

Our best United Airlines deals on South America to Idaho flight tickets
United Airlines
Oct 21
LIM12:55 amLima J Chavez Intl
33h 40m
2 stops
BOI9:35 amBoise Air Term. Gowen Fld
Oct 25
BOI6:20 amBoise Air Term. Gowen Fld
39h 35m
2 stops
LIM10:55 pmLima J Chavez Intl
$787
United Airlines
Aug 28
UIO7:25 amQuito Mariscal Sucr
27h 26m
2 stops
IDA9:51 amIdaho Falls Fanning Field
Aug 31
IDA4:04 pmIdaho Falls Fanning Field
11h 56m
2 stops
UIO5:00 amQuito Mariscal Sucr
$898
United Airlines
Sep 23
LIM11:05 pmLima J Chavez Intl
35h 30m
2 stops
BOI9:35 amBoise Air Term. Gowen Fld
Sep 27
BOI5:44 pmBoise Air Term. Gowen Fld
28h 16m
2 stops
LIM11:00 pmLima J Chavez Intl
$899

momondo Fare Finder

 
Customize your flight search to find flights from South America to Idaho 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 June 2, 2026.
Use the filters below to find and compare flights from South America to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LimaBoise

LIM - BOI

LIMBOI

Lima J Chavez Intl

Mon 9/7

12:50 am-3:01 pm

1 stop15h 11m

Boise Air Term. Gowen Fld

Tue 9/15

4:00 pm-8:05 am

1 stop15h 05m

$743

LimaBoise

LIM - BOI

LIMBOI

Lima J Chavez Intl

Tue 9/8

1:30 pm-12:24 pm

2 stops23h 54m

Boise Air Term. Gowen Fld

Tue 9/15

4:00 pm-8:05 am

1 stop15h 05m

$748

LimaBoise

LIM - BOI

LIMBOI

Lima J Chavez Intl

Tue 9/22

12:50 am-5:15 pm

2 stops17h 25m

Boise Air Term. Gowen Fld

Wed 9/30

7:48 pm-5:00 am

2 stops32h 12m

$824

QuitoIdaho Falls

UIO - IDA

UIOIDA

Quito Mariscal Sucr

Fri 8/28

7:25 am-9:51 am

2 stops27h 26m

Idaho Falls Fanning Field

Mon 8/31

4:04 pm-5:00 am

2 stops11h 56m

$898

QuitoIdaho Falls

UIO - IDA

UIOIDA

Quito Mariscal Sucr

Fri 8/28

7:25 am-11:38 am

2 stops29h 13m

Idaho Falls Fanning Field

Mon 8/31

4:04 pm-5:00 am

2 stops11h 56m

$904

LimaSpokane

LIM - GEG

LIMGEG

Lima J Chavez Intl

Tue 6/23

3:05 am-10:15 pm

2 stops21h 10m

Spokane

Thu 7/23

6:20 am-3:30 am

2 stops19h 10m

$1,013

SantiagoBoise

SCL - BOI

SCLBOI

Santiago Arturo Merino Benitez

Thu 10/1

11:25 pm-5:50 pm

2 stops21h 25m

Boise Air Term. Gowen Fld

Mon 10/26

1:43 pm-7:40 am

1 stop14h 57m

$1,216

SantiagoBoise

SCL - BOI

SCLBOI

Santiago Arturo Merino Benitez

Tue 9/1

8:40 pm-5:47 pm

2 stops23h 07m

Boise Air Term. Gowen Fld

Tue 9/22

7:00 am-2:05 pm

2 stops28h 05m

$1,316

Sao PauloBoise

GRU - BOI

GRUBOI

Sao Paulo Guarulhos Intl

Tue 7/28

10:00 pm-11:19 am

1 stop16h 19m

Boise Air Term. Gowen Fld

Thu 8/13

2:49 pm-9:00 am

1 stop15h 11m

$1,328

Sao PauloBoise

GRU - BOI

GRUBOI

Sao Paulo Guarulhos Intl

Tue 7/28

10:00 pm-11:19 am

1 stop16h 19m

Boise Air Term. Gowen Fld

Thu 8/13

2:49 pm-9:00 am

1 stop15h 11m

$1,331

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho from

How to get the cheapest flight ticket from South America to Idaho

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 month to fly to Idaho?

In general, January is the cheapest month to fly from South America to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $698. If you don’t want to visit Idaho in January, then you should wait until November to fly from South America, when ticket prices are also cheap, with an average price of $718.

Can stopping save me money on South America to Idaho flights?

You could potentially save up to 25% on your flight if you consider stops on a South America to Idaho flight.

Cheap South America to Idaho flight deals and tips

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

Fastest flight time

14h 59m

Direct flights

None
The fastest flight from South America to Idaho takes 14h 59m
There are no direct flights from South America to Idaho. There are no popular flight routes from South America to Idaho.

Frequently asked questions about flying from South America to Idaho

  • When did momondo last update prices for flights from South America to Idaho?

    Prices for flights from South America to Idaho are updated daily.

  • How many operators does momondo search for flights from South America to Idaho?

  • How old do you have to be to fly from South America to Idaho?

    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 South America to Idaho.

  • What documentation or ID do you need to fly to Idaho?

    The necessary travel and health documents for your Idaho 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.

Best airlines flying from South America to Idaho

Compare and see reviews for airlines that fly from South America to Idaho with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $859Free CancellationRating
7.9
8,398 reviews
Search Delta flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for South America to Idaho flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from South America to Idaho.

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

Yes momondo offers price alerts on flights to Idaho from South America. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Thu 7/2
Thu 7/9

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