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Cheap flights from the United States to Buenos Aires from $226

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Buenos Aires departing on 10/15. 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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Find the cheapest flights from the United States to Buenos Aires

Recent round-trip flight deals from the United States to Buenos Aires

Logo
9:45 am - 3:40 amMIA-AEP
16h 55m2 stops
Logo
9:55 pm - 5:05 pmAEP-MIA
20h 10m2 stops
$573
Find Deal
Thu, Oct 2 - Thu, Oct 16
Logo
9:45 am - 7:00 amMIA-EZE
20h 15m2 stops
Logo
7:20 pm - 5:05 pmEZE-MIA
22h 45m2 stops
$574
Find Deal
Tue, Sep 2 - Sun, Sep 7
LATAM Airlines Logo
10:40 pm - 11:57 amMIA-EZE
12h 17m1 stop
LATAM Airlines Logo
6:15 am - 7:40 amEZE-MIA
26h 25m2 stops
$601LATAM Airlines
Find Deal
Sat, Aug 30 - Mon, Sep 1
LATAM Airlines Logo
8:15 pm - 12:00 pmMIA-AEP
14h 45m1 stop
LATAM Airlines Logo
8:40 am - 6:31 amAEP-MIA
22h 51m2 stops
$601LATAM Airlines
Find Deal
Fri, Aug 15 - Sun, Aug 17
Delta Logo
12:30 pm - 9:45 amIAD-EZE
20h 15m1 stop
Delta Logo
8:55 pm - 6:39 pmEZE-IAD
23h 44m1 stop
$639Delta
Find Deal
Thu, Oct 30 - Sun, Nov 2
American Airlines Logo
7:44 am - 10:15 amIAD-EZE
25h 31m2 stops
American Airlines Logo
8:45 pm - 10:48 pmEZE-IAD
27h 03m2 stops
$641American Airlines
Find Deal
Mon, Aug 18 - Tue, Sep 2
American Airlines Logo
11:51 am - 7:25 amIAD-EZE
18h 34m2 stops
American Airlines Logo
8:40 pm - 10:48 pmEZE-IAD
27h 08m2 stops
$644American Airlines
Find Deal
Mon, Aug 25 - Fri, Sep 5
Delta Logo
7:59 pm - 9:45 amIAD-EZE
35h 46m1 stop
Delta Logo
8:55 pm - 9:11 amEZE-IAD
14h 16m1 stop
$645Delta
Find Deal
Sun, Dec 7 - Thu, Dec 11
United Airlines Logo
10:32 pm - 8:00 amIAD-EZE
32h 28m1 stop
United Airlines Logo
9:00 pm - 11:29 amEZE-IAD
15h 29m1 stop
$648United Airlines
Find Deal
Sun, Aug 17 - Fri, Aug 29
United Airlines Logo
7:10 pm - 8:00 amLAX-EZE
32h 50m1 stop
United Airlines Logo
9:00 pm - 9:04 amEZE-LAX
16h 04m1 stop
$675United Airlines
Find Deal
Sun, Aug 17 - Wed, Sep 3

Copa Airlines flights from United States to Buenos Aires

Our best Copa Airlines deals on United States to Buenos Aires flight tickets
Copa Airlines
Aug 18
IAD2:25 amWashington, D.C. Dulles Intl
21h 30m
1 stop
EZE12:55 amBuenos Aires Ministro Pistarini
Oct 2
EZE2:32 pmBuenos Aires Ministro Pistarini
14h 48m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
$627
Find similar
Copa Airlines
Oct 10
IAD9:34 amWashington, D.C. Dulles Intl
17h 45m
1 stop
EZE4:19 amBuenos Aires Ministro Pistarini
Oct 19
EZE10:07 amBuenos Aires Ministro Pistarini
19h 13m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
$647
Find similar
Copa Airlines
Sep 23
IAD4:34 pmWashington, D.C. Dulles Intl
31h 10m
1 stop
EZE12:44 amBuenos Aires Ministro Pistarini
Sep 30
EZE3:47 amBuenos Aires Ministro Pistarini
25h 33m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
$651
Find similar

Air Canada flights from United States to Buenos Aires

Our best Air Canada deals on United States to Buenos Aires flight tickets
Air Canada
Nov 14
EWR3:30 pmNewark
21h 40m
2 stops
EZE3:10 pmBuenos Aires Ministro Pistarini
Nov 24
EZE4:45 pmBuenos Aires Ministro Pistarini
18h 57m
2 stops
EWR9:42 amNewark
$864
Find similar
Air Canada
Oct 8
SFO11:40 amSan Francisco
22h 50m
2 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
Nov 16
EZE4:45 pmBuenos Aires Ministro Pistarini
33h 37m
2 stops
SFO9:22 pmSan Francisco
$872
Find similar
Air Canada
Sep 13
SFO11:00 pmSan Francisco
35h 30m
2 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
Sep 25
EZE4:35 pmBuenos Aires Ministro Pistarini
22h 36m
2 stops
SFO11:11 amSan Francisco
$878
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States 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 August 2, 2025.
Use the filters below to find and compare flights from the United States to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

Thu 10/2

9:45 am-3:40 am

2 stops16h 55m

Buenos Aires Jorge Newbery

Thu 10/16

9:55 pm-5:05 pm

2 stops20h 10m

$573

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Tue 9/2

9:45 am-7:00 am

2 stops20h 15m

Buenos Aires Ministro Pistarini

Sun 9/7

7:20 pm-5:05 pm

2 stops22h 45m

$574

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Sat 8/30

10:40 pm-11:57 am

1 stop12h 17m

Buenos Aires Ministro Pistarini

Mon 9/1

6:15 am-7:40 am

2 stops26h 25m

$601

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

Fri 8/15

8:15 pm-12:00 pm

1 stop14h 45m

Buenos Aires Jorge Newbery

Sun 8/17

8:40 am-6:31 am

2 stops22h 51m

$601

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 10/30

12:30 pm-9:45 am

1 stop20h 15m

Buenos Aires Ministro Pistarini

Sun 11/2

8:55 pm-6:39 pm

1 stop23h 44m

$639

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 8/18

7:44 am-10:15 am

2 stops25h 31m

Buenos Aires Ministro Pistarini

Tue 9/2

8:45 pm-10:48 pm

2 stops27h 03m

$641

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 8/25

11:51 am-7:25 am

2 stops18h 34m

Buenos Aires Ministro Pistarini

Fri 9/5

8:40 pm-10:48 pm

2 stops27h 08m

$644

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 12/7

7:59 pm-9:45 am

1 stop35h 46m

Buenos Aires Ministro Pistarini

Thu 12/11

8:55 pm-9:11 am

1 stop14h 16m

$645

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 8/17

10:32 pm-8:00 am

1 stop32h 28m

Buenos Aires Ministro Pistarini

Fri 8/29

9:00 pm-11:29 am

1 stop15h 29m

$648

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Sun 8/17

7:10 pm-8:00 am

1 stop32h 50m

Buenos Aires Ministro Pistarini

Wed 9/3

9:00 pm-9:04 am

1 stop16h 04m

$675

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 Buenos Aires from

How to get the cheapest flight ticket from United States 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 United States is in October. Flight prices, which tend to average around $957, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Buenos Aires from United States during November instead. Flights to Buenos Aires in November, while not as cheap as those in October, still average around $977.

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 United States is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,072. 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 $1,201.

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 afternoon. Flights from United States to Buenos Aires during this time can be as low as $971. Try not to purchase tickets at noon because they tend to be around $1,476. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest United States to Buenos Aires flight route?

Fly from Miami to Buenos Aires Ministro Pistarini for the best United States - Buenos Aires flight prices

How far in advance should I book a flight to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,115 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from United States for as low as $984 on momondo.

What cabin class options are available on United States to Buenos Aires flights?

There are 4 cabin classes available to choose from on United States to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Buenos Aires flights?

You could potentially save up to 63% on your flight if you consider stops on a United States to Buenos Aires flight.

Cheap United States to Buenos Aires flight deals and tips

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

Best Price Found

$226

Fastest flight time

11h 05m

Direct flights

Every day

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from United States in the past 72 hours is $226. The best round-trip flight deal from United States to Buenos Aires found on momondo in the last 72 hours is $573.
The fastest flight from United States to Buenos Aires takes 11h 05m
Direct flights go from United States to Buenos Aires every day.
There are 2 airports near Buenos Aires: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)
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  • When did momondo last update prices for flights from United States to Buenos Aires?

    Prices for flights from United States to Buenos Aires refresh daily.

  • How many operators does momondo search for flights from United States to Buenos Aires?

  • How old do you have to be to fly from United States to Buenos Aires?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States 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.

  • What is the most popular plane model from United States to Buenos Aires?

Best airlines flying from United States to Buenos Aires

Compare and see reviews for airlines that fly from United States to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $159Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Copa AirlinesPriceFrom $439Free CancellationRating
7.5
1,493 reviews
Search Copa Airlines flights
ArajetPriceFrom $448Free CancellationRating
7.1
32 reviews
Search Arajet flights
GOLPriceFrom $519Free CancellationRating
7.3
1,091 reviews
Search GOL flights
LATAM AirlinesPriceFrom $528Free CancellationRating
7.5
1,823 reviews
Search LATAM Airlines flights
AviancaPriceFrom $540Free CancellationRating
6.7
2,388 reviews
Search Avianca flights
United AirlinesPriceFrom $618Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights
DeltaPriceFrom $661Free CancellationRating
8.0
7,983 reviews
Search Delta flights
Aerolineas ArgentinasPriceFrom $663Free CancellationRating
8.1
899 reviews
Search Aerolineas Argentinas flights
BoAPriceFrom $672Free CancellationRating
6.8
136 reviews
Search BoA flights

Why use momondo?

Why should I use momondo to find a flight deal from United States to Buenos Aires?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buenos Aires from United States.

Can I find flights from United States to Buenos Aires with flexible booking policies on momondo?

All flight searches from United States to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from United States to Buenos Aires?

Once all potential United States 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 United States to Buenos Aires right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Buenos Aires, momondo offers a useful price alert feature which will track prices for flights to Buenos Aires from United States and alert you when they change.

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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