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Cheap flights from Idaho Falls to Buenos Aires from $518

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 Buenos Aires departing on 2/9. 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 Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:45 am - 9:20 am
IDA
-
EZE
18h 35m2 stops
United Airlines Logo
9:05 pm - 1:30 pm
EZE
-
IDA
43h 25m2 stops
$1,430United Airlines
Thu, Feb 19 - Wed, Mar 25
American Airlines Logo
2:02 pm - 8:20 am
IDA
-
EZE
14h 18m1 stop
American Airlines Logo
10:25 pm - 1:48 pm
EZE
-
IDA
18h 23m1 stop
$1,451American Airlines
Thu, Feb 19 - Wed, Mar 25
American Airlines Logo
2:02 pm - 8:20 am
IDA
-
EZE
14h 18m1 stop
American Airlines Logo
10:25 pm - 11:19 pm
EZE
-
IDA
27h 54m2 stops
$1,455American Airlines
Thu, Feb 19 - Wed, Mar 25
United Airlines Logo
2:40 pm - 9:20 am
IDA
-
EZE
38h 40m2 stops
United Airlines Logo
10:55 pm - 9:06 pm
EZE
-
IDA
25h 11m2 stops
$1,461United Airlines
Thu, Feb 12 - Thu, Mar 19
United Airlines Logo
6:30 am - 8:00 am
IDA
-
EZE
22h 30m2 stops
United Airlines Logo
9:00 pm - 1:24 pm
EZE
-
IDA
19h 24m2 stops
$1,470United Airlines
Thu, Apr 9 - Mon, Apr 13
American Airlines Logo
2:02 pm - 8:20 am
IDA
-
EZE
14h 18m1 stop
American Airlines Logo
10:25 pm - 1:48 pm
EZE
-
IDA
18h 23m1 stop
$1,491American Airlines
Thu, Feb 12 - Thu, Mar 19
American Airlines Logo
2:02 pm - 8:20 am
IDA
-
EZE
14h 18m1 stop
American Airlines Logo
10:25 pm - 11:19 pm
EZE
-
IDA
27h 54m2 stops
$1,495American Airlines
Thu, Feb 12 - Thu, Mar 19
Multiple Airlines Logo
10:45 am - 3:10 pm
IDA
-
EZE
24h 25m3 stops
Multiple Airlines Logo
4:45 pm - 1:30 pm
EZE
-
IDA
23h 45m3 stops
$1,817Multiple Airlines
Thu, Feb 19 - Wed, Mar 25

United Airlines flights from Idaho Falls to Buenos Aires

Our best United Airlines deals on Idaho Falls to Buenos Aires flight tickets
United Airlines
Feb 19
IDA10:45 amIdaho Falls Fanning Field
18h 35m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Mar 25
EZE9:05 pmBuenos Aires Ministro Pistarini
43h 25m
2 stops
IDA1:30 pmIdaho Falls Fanning Field
$1,430
Find similar
United Airlines
Feb 12
IDA2:40 pmIdaho Falls Fanning Field
38h 40m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Mar 19
EZE10:55 pmBuenos Aires Ministro Pistarini
25h 11m
2 stops
IDA9:06 pmIdaho Falls Fanning Field
$1,461
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
19h 24m
2 stops
IDA1:24 pmIdaho Falls Fanning Field
$1,470
Find similar

American Airlines flights from Idaho Falls to Buenos Aires

Our best American Airlines deals on Idaho Falls to Buenos Aires flight tickets
American Airlines
Feb 19
IDA2:02 pmIdaho Falls Fanning Field
14h 18m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
Mar 25
EZE10:25 pmBuenos Aires Ministro Pistarini
18h 23m
1 stop
IDA1:48 pmIdaho Falls Fanning Field
$1,451
Find similar
American Airlines
Feb 19
IDA2:02 pmIdaho Falls Fanning Field
14h 18m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
Mar 25
EZE10:25 pmBuenos Aires Ministro Pistarini
27h 54m
2 stops
IDA11:19 pmIdaho Falls Fanning Field
$1,455
Find similar
American Airlines
Feb 12
IDA2:02 pmIdaho Falls Fanning Field
14h 18m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
Mar 19
EZE10:25 pmBuenos Aires Ministro Pistarini
18h 23m
1 stop
IDA1:48 pmIdaho Falls Fanning Field
$1,491
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Buenos Aires 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 December 18, 2025.
Use the filters below to find and compare flights from Idaho Falls to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

Thu 2/19

10:45 am-9:20 am

2 stops18h 35m

Buenos Aires Ministro Pistarini

Wed 3/25

9:05 pm-1:30 pm

2 stops43h 25m

$1,430

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

Thu 2/19

2:02 pm-8:20 am

1 stop14h 18m

Buenos Aires Ministro Pistarini

Wed 3/25

10:25 pm-1:48 pm

1 stop18h 23m

$1,451

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

Thu 2/19

2:02 pm-8:20 am

1 stop14h 18m

Buenos Aires Ministro Pistarini

Wed 3/25

10:25 pm-11:19 pm

2 stops27h 54m

$1,455

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

Thu 2/12

2:40 pm-9:20 am

2 stops38h 40m

Buenos Aires Ministro Pistarini

Thu 3/19

10:55 pm-9:06 pm

2 stops25h 11m

$1,461

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

Thu 4/9

6:30 am-8:00 am

2 stops22h 30m

Buenos Aires Ministro Pistarini

Mon 4/13

9:00 pm-1:24 pm

2 stops19h 24m

$1,470

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

Thu 2/12

2:02 pm-8:20 am

1 stop14h 18m

Buenos Aires Ministro Pistarini

Thu 3/19

10:25 pm-1:48 pm

1 stop18h 23m

$1,491

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

Thu 2/12

2:02 pm-8:20 am

1 stop14h 18m

Buenos Aires Ministro Pistarini

Thu 3/19

10:25 pm-11:19 pm

2 stops27h 54m

$1,495

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

Thu 2/19

10:45 am-3:10 pm

3 stops24h 25m

Buenos Aires Ministro Pistarini

Wed 3/25

4:45 pm-1:30 pm

3 stops23h 45m

$1,817

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

Mon 2/9

9:20 pm-10:34 pm

3 stops45h 14m

$518

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

Mon 2/9

4:19 pm-7:20 am

2 stops35h 01m

$694

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Idaho Falls to Buenos Aires

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 Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is in the morning. Flights from Idaho Falls to Buenos Aires during this time can be as low as $1,238. Try not to purchase tickets at noon because they tend to be around $1,521. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Idaho Falls to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to Buenos Aires (IDA to BUE) flight deals and tips

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

Fastest flight time

16h 35m

Direct flights

None
The fastest flight from Idaho Falls to Buenos Aires takes 16h 35m
There are no direct flights from Idaho Falls to Buenos Aires. There are no popular flight routes from Idaho Falls to Buenos Aires.
Search flight deals

  • How far is Idaho Falls Fanning Field to Buenos Aires by plane?

    The straight-line distance from Idaho Falls Fanning Field to Buenos Aires is 6359.6 mi. By plane, this route typically takes 16h 35m.

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

    Prices for flights from Idaho Falls Fanning Field Airport to Buenos Aires were last updated today.

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

    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 Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek 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 Buenos Aires?

It is quick and easy to find Idaho Falls to Buenos Aires flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Buenos Aires that suits you.

Can I find flights from Idaho Falls to Buenos Aires with flexible booking policies on momondo?

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

How can momondo help me find flights from Idaho Falls to Buenos Aires?

Once you have performed a search for Idaho Falls to Buenos Aires flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Buenos Aires from Idaho Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport