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$518+ Cheap flights from Idaho Falls (IDA) to Buenos Aires (BUE)

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — BUE
ene. 16 — ene. 231
vie. 1/16
vie. 1/23
1 adult, Economy
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Cheap flight deals from Idaho Falls to Buenos Aires

Best flights from Idaho Falls to Buenos Aires
Discover carefully curated flight deals from Idaho Falls to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 17, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/1910:45 amIDA - EZE
2 stops18h 35mUnited Airlines
mié. 3/259:05 pmEZE - IDA
2 stops43h 25mUnited Airlines
Deal found 12/17$1,430
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/192:02 pmIDA - EZE
1 stop14h 18mAmerican Airlines
mié. 3/2510:25 pmEZE - IDA
1 stop18h 23mAmerican Airlines
Deal found 12/17$1,451
This Air Canada deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/1910:45 amIDA - EZE
3 stops24h 25mMultiple Airlines
mié. 3/254:45 pmEZE - IDA
3 stops23h 45mMultiple Airlines
Deal found 12/17$1,817
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/122:40 pmIDA - EZE
2 stops38h 40mUnited Airlines
jue. 3/1910:55 pmEZE - IDA
2 stops25h 11mUnited Airlines
Deal found 12/17$1,461
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/122:02 pmIDA - EZE
1 stop14h 18mAmerican Airlines
jue. 3/1910:25 pmEZE - IDA
1 stop18h 23mAmerican Airlines
Deal found 12/17$1,491
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/96:30 amIDA - EZE
2 stops22h 30mUnited Airlines
lun. 4/139:00 pmEZE - IDA
2 stops19h 24mUnited Airlines
Deal found 12/15$1,470

Find flight deals from Idaho Falls to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 17, 2025.

Round-trip from

$1,470
(United Airlines)
From Idaho Falls Fanning Field to Buenos Aires (BUE)
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated diciembre 17, 2025.
Use the filters below to find and compare flights from Idaho Falls to Buenos Aires that are best for you.

Fly from

Idaho Falls

Fly to

Buenos Aires

Route

Depart

Return

Price

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

jue. 2/19

10:45 am-9:20 am

2 stops18h 35m

Buenos Aires Ministro Pistarini

mié. 3/25

9:05 pm-1:30 pm

2 stops43h 25m

$1,430

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

jue. 2/19

2:02 pm-8:20 am

1 stop14h 18m

Buenos Aires Ministro Pistarini

mié. 3/25

10:25 pm-1:48 pm

1 stop18h 23m

$1,451

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

jue. 2/12

2:40 pm-9:20 am

2 stops38h 40m

Buenos Aires Ministro Pistarini

jue. 3/19

10:55 pm-9:06 pm

2 stops25h 11m

$1,461

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-1:24 pm

2 stops19h 24m

$1,470

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

jue. 2/12

2:02 pm-8:20 am

1 stop14h 18m

Buenos Aires Ministro Pistarini

jue. 3/19

10:25 pm-1:48 pm

1 stop18h 23m

$1,491

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

jue. 2/19

10:45 am-3:10 pm

3 stops24h 25m

Buenos Aires Ministro Pistarini

mié. 3/25

4:45 pm-1:30 pm

3 stops23h 45m

$1,817

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

lun. 2/9

9:20 pm-10:34 pm

3 stops45h 14m

$518

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

lun. 2/9

4:19 pm-7:20 am

2 stops35h 01m

$694

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

lun. 2/9

2:07 pm-8:25 am

1 stop14h 18m

$738

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Best time to book a flight from Idaho Falls to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires 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 Buenos Aires
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Buenos Aires. 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 Buenos Aires?

    If you book a flight to Buenos Aires from Idaho Falls, you will be flying from Fanning Field, which is the city’s only airport. Idaho Falls Fanning Field (IDA) is located 3.8 mi from the center of Idaho Falls. There are 0 flights from Fanning Field to Buenos Aires per day from 0 different airlines.

  • How long is the flight from Idaho Falls to Buenos Aires?

    United Airlines can get you from Idaho Falls to Buenos Aires in just under 22h 30m. Your travel time can differ by up to . Idaho Falls and Buenos Aires are separated by a distance of 6370 mi.

  • Can I find deals for flights from Idaho Falls to Buenos Aires that include hotel bookings?

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

  • How can I find direct flights from Idaho Falls to Buenos Aires?

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

  • Can I find deals for business class flights from Idaho Falls to Buenos Aires?

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

See more FAQs

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