Cheap flights from Phoenix to Buenos Aires from $435
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix to Buenos Aires departing on 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Phoenix to Buenos Aires
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
LATAM Airlines flights from Phoenix to Buenos Aires
Our best LATAM Airlines deals on Phoenix to Buenos Aires flight tickets
Copa Airlines flights from Phoenix to Buenos Aires
Our best Copa Airlines deals on Phoenix to Buenos Aires flight tickets
See travel insights to Buenos Aires from
How to get the cheapest flight ticket from Phoenix 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 month to fly to Buenos Aires?
The cheapest month to fly to Buenos Aires from Phoenix is in August. Flight prices, which tend to average around $1,044, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Buenos Aires from Phoenix during November instead. Flights to Buenos Aires in November, while not as cheap as those in August, still average around $1,255.
What is the cheapest day to depart on your flight to Buenos Aires?
On average, the least expensive day to fly to Buenos Aires from Phoenix is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,107. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Saturday is $1,528.
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 Phoenix to Buenos Aires during this time can be as low as $1,259. Try not to purchase tickets at noon because they tend to be around $1,526. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to Buenos Aires?
You are more likely to see cheaper flights to Buenos Aires from Phoenix when booking 3 weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,497 when searching 3 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Phoenix for as low as $1,138 on momondo.
What is the cheapest airline that flies from Phoenix to Buenos Aires?
Copa Airlines, United Airlines, and Delta are the most popular carriers operating from Phoenix to Buenos Aires
What airlines fly to Buenos Aires?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Buenos Aires from Phoenix according to our data. American Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 4 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.
Cheap Phoenix to Buenos Aires flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Phoenix to Buenos Aires
How far is Phoenix to Buenos Aires by plane?
A flight from Phoenix to Buenos Aires will travel around 5843.7 mi. A reasonable flight in good conditions will take 14h 53m.
When did momondo last update prices for flights from Phoenix to Buenos Aires?
Prices for flights from Phoenix to Buenos Aires are updated daily.
How many operators does momondo search for flights from Phoenix to Buenos Aires?
There are 4 operators available for flights from Phoenix to Buenos Aires as of June 2025.
How old do you have to be to fly from Phoenix to Buenos Aires?
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 Phoenix to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Phoenix to Buenos Aires
Compare and see reviews for airlines that fly from Phoenix to Buenos Aires with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $967 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,016 | Free Cancellation | Rating 7.5 1,451 reviews | |||
| PriceFrom $1,020 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $1,117 | Free Cancellation | Rating 8.0 7,946 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Phoenix to Buenos Aires?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Phoenix to Buenos Aires. momondo saves you time and could save you money on your trip.
Can I find flights from Phoenix to Buenos Aires with flexible booking policies on momondo?
Yes. All flights to Buenos Aires from Phoenix on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Phoenix to Buenos Aires?
Once all potential Phoenix to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Phoenix to Buenos Aires right now. Can momondo alert me if prices change?
Price alerts on flights to Buenos Aires from Phoenix 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.