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Cheap flights from Idaho Falls to Buenos Aires from $1,636

This is the cheapest round-trip 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 8/17. 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
5:53 pm - 8:00 am
IDA
-
EZE
35h 07m
2 stops
United Airlines Logo
9:00 pm - 5:16 pm
EZE
-
IDA
23h 16m
2 stops
$1,636United Airlines
Mon, Aug 17 - Thu, Aug 20

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 May 2, 2026.
Use the filters below to find and compare flights from Idaho Falls to Buenos Aires that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Idaho FallsBuenos Aires

IDA - EZE

IDAEZE

Idaho Falls Fanning Field

Mon 8/17

5:53 pm-8:00 am

2 stops35h 07m

Buenos Aires Ministro Pistarini

Thu 8/20

9:00 pm-5:16 pm

2 stops23h 16m

$1,636

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

35h 07m

Direct flights

None
The fastest flight from Idaho Falls to Buenos Aires takes 35h 07m
There are no direct flights from Idaho Falls to Buenos Aires. There are no popular flight routes from Idaho Falls to Buenos Aires.
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Frequently asked questions about flying from Idaho Falls to Buenos Aires

  • 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 35h 07m.

  • 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.

Frequently asked questions about flying from Idaho Falls to Buenos Aires

  • How do I get Price Alerts for flights from Idaho Falls to Buenos Aires?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Idaho Falls from Buenos Aires. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Idaho Falls to Buenos Aires with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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