What airlines fly to Argentina?

LATAM Airlines, United Airlines and Copa Airlines are the top three most popular airlines that fly to Argentina from Ontario according to our data. LATAM Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Argentina. Keep in mind that there are 7 different airlines that fly to Argentina on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Argentina?

Avianca, Delta, and United Airlines are the most popular carriers operating from Ontario to Argentina

When did momondo last update prices for flights from Ontario Airport to Argentina?

Prices for flights from Ontario Airport to Argentina are refreshed on a daily basis.

How old do you have to be to fly from Ontario Airport to Argentina?

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 Ontario Airport to Argentina.

What documentation or ID do you need to fly to Argentina?

The required travel and health documents for your Argentina 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 Argentina. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$539 Cheap Flights from Ontario to Argentina in 2025/26

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Find the cheapest flights from Ontario to Argentina

Round-trip

One-way

Last minute

Cheap round-trip flights

10:25 pm - 6:20 amONT-EZE

26h 55m2 stops

7:50 am - 11:04 pmEZE-ONT

20h 14m2 stops

$1,025LATAM Airlines

Find Deal

Sun, Nov 9 - Wed, Nov 19

5:05 am - 7:20 amONT-EZE

21h 15m2 stops

10:05 pm - 12:32 pmEZE-ONT

19h 27m2 stops

$1,030United Airlines

Find Deal

Wed, Nov 19 - Mon, Dec 1

7:05 am - 9:35 amONT-EZE

21h 30m2 stops

7:45 am - 11:03 pmEZE-ONT

20h 18m2 stops

$1,035LATAM Airlines

Find Deal

Mon, Dec 8 - Thu, Dec 18

6:02 am - 8:20 amONT-EZE

22h 18m1 stop

9:05 pm - 9:21 pmEZE-ONT

28h 16m1 stop

$1,037United Airlines

Find Deal

Mon, Mar 9 - Mon, Mar 23

1:29 pm - 9:20 amONT-EZE

38h 51m2 stops

11:55 pm - 5:34 pmEZE-ONT

22h 39m2 stops

$1,048United Airlines

Find Deal

Sun, Nov 9 - Wed, Nov 19

5:05 am - 9:20 amONT-EZE

47h 15m2 stops

11:55 pm - 9:58 pmEZE-ONT

27h 03m1 stop

$1,060United Airlines

Find Deal

Tue, Dec 23 - Tue, Jan 13

10:25 pm - 6:20 amONT-EZE

26h 55m2 stops

8:55 pm - 10:40 amEZE-ONT

18h 45m1 stop

$1,065Delta

Find Deal

Sun, Nov 9 - Wed, Nov 19

7:05 am - 9:00 amONT-EZE

20h 55m1 stop

8:55 pm - 10:40 amEZE-ONT

18h 45m1 stop

$1,140Delta

Find Deal

Sun, Nov 9 - Wed, Nov 19

11:30 pm - 1:35 amONT-EZE

22h 05m2 stops

7:35 am - 9:55 pmEZE-ONT

18h 20m2 stops

$1,196Avianca

Find Deal

Sat, Mar 14 - Sat, Mar 21

11:25 pm - 4:50 amONT-EZE

25h 25m3 stops

6:50 am - 9:55 pmEZE-ONT

19h 05m2 stops

$1,211Avianca

Find Deal

Sat, Oct 4 - Thu, Oct 9

United Airlines flights from Ontario to Argentina

Our best United Airlines deals on Ontario to Argentina flight tickets

United Airlines

Nov 19

ONT5:05 amOntario

21h 15m

2 stops

EZE7:20 amBuenos Aires Ministro Pistarini

Dec 1

EZE10:05 pmBuenos Aires Ministro Pistarini

19h 27m

2 stops

ONT12:32 pmOntario

$1,030

Find similar

United Airlines

Mar 9

ONT6:02 amOntario

22h 18m

1 stop

EZE8:20 amBuenos Aires Ministro Pistarini

Mar 23

EZE9:05 pmBuenos Aires Ministro Pistarini

28h 16m

1 stop

ONT9:21 pmOntario

$1,037

Find similar

United Airlines

Nov 9

ONT1:29 pmOntario

38h 51m

2 stops

EZE9:20 amBuenos Aires Ministro Pistarini

Nov 19

EZE11:55 pmBuenos Aires Ministro Pistarini

22h 39m

2 stops

ONT5:34 pmOntario

$1,048

Find similar

LATAM Airlines flights from Ontario to Argentina

Our best LATAM Airlines deals on Ontario to Argentina flight tickets

LATAM Airlines

Nov 9

ONT10:25 pmOntario

26h 55m

2 stops

EZE6:20 amBuenos Aires Ministro Pistarini

Nov 19

EZE7:50 amBuenos Aires Ministro Pistarini

20h 14m

2 stops

ONT11:04 pmOntario

$1,025

Find similar

LATAM Airlines

Dec 8

ONT7:05 amOntario

21h 30m

2 stops

EZE9:35 amBuenos Aires Ministro Pistarini

Dec 18

EZE7:45 amBuenos Aires Ministro Pistarini

20h 18m

2 stops

ONT11:03 pmOntario

$1,035

Find similar

LATAM Airlines

Nov 9

ONT10:25 pmOntario

26h 55m

2 stops

EZE6:20 amBuenos Aires Ministro Pistarini

Nov 18

EZE4:05 amBuenos Aires Ministro Pistarini

23h 59m

2 stops

ONT11:04 pmOntario

$1,155

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 11/9

10:25 pm-6:20 am

2 stops26h 55m

Buenos Aires Ministro Pistarini

Wed 11/19

7:50 am-11:04 pm

2 stops20h 14m

$1,025

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Wed 11/19

5:05 am-7:20 am

2 stops21h 15m

Buenos Aires Ministro Pistarini

Mon 12/1

10:05 pm-12:32 pm

2 stops19h 27m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Mon 12/8

7:05 am-9:35 am

2 stops21h 30m

Buenos Aires Ministro Pistarini

Thu 12/18

7:45 am-11:03 pm

2 stops20h 18m

$1,035

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Mon 3/9

6:02 am-8:20 am

1 stop22h 18m

Buenos Aires Ministro Pistarini

Mon 3/23

9:05 pm-9:21 pm

1 stop28h 16m

$1,037

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 11/9

1:29 pm-9:20 am

2 stops38h 51m

Buenos Aires Ministro Pistarini

Wed 11/19

11:55 pm-5:34 pm

2 stops22h 39m

$1,048

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 12/23

5:05 am-9:20 am

2 stops47h 15m

Buenos Aires Ministro Pistarini

Tue 1/13

11:55 pm-9:58 pm

1 stop27h 03m

$1,060

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 11/9

10:25 pm-6:20 am

2 stops26h 55m

Buenos Aires Ministro Pistarini

Wed 11/19

8:55 pm-10:40 am

1 stop18h 45m

$1,065

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 11/9

7:05 am-9:00 am

1 stop20h 55m

Buenos Aires Ministro Pistarini

Wed 11/19

8:55 pm-10:40 am

1 stop18h 45m

$1,140

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sat 3/14

11:30 pm-1:35 am

2 stops22h 05m

Buenos Aires Ministro Pistarini

Sat 3/21

7:35 am-9:55 pm

2 stops18h 20m

$1,196

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sat 10/4

11:25 pm-4:50 am

3 stops25h 25m

Buenos Aires Ministro Pistarini

Thu 10/9

6:50 am-9:55 pm

2 stops19h 05m

$1,211

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Argentina

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

Prices

Airlines

What is the cheapest day to depart on your flight to Argentina?

The cheapest day to depart from Ontario to Argentina is on a Tuesday. Travelers who choose to depart for Argentina on a Tuesday will often find tickets for as low as $999. The most expensive day to fly to Argentina is Thursday, with ticket prices averaging around $1,573.

What is the cheapest time of day to depart on your flight to Argentina?

The cheapest time of day to fly to Argentina is in the evening when flights can be purchased for as low as $933. Flights in the afternoon are often more expensive with an average ticket price of $1,573.

Cheap Ontario to Argentina flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Argentina

Direct flights	None

There are no direct flights from Ontario to Argentina. There are no popular flight routes from Ontario to Argentina.

Search flight deals

When did momondo last update prices for flights from Ontario Airport to Argentina?
Prices for flights from Ontario Airport to Argentina are refreshed on a daily basis.
How old do you have to be to fly from Ontario Airport to Argentina?
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 Ontario Airport to Argentina.
What documentation or ID do you need to fly to Argentina?
The required travel and health documents for your Argentina 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 Argentina. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Argentina?

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 Argentina from Ontario.

Can I find flights from Ontario to Argentina with flexible booking policies on momondo?

All flight searches from Ontario to Argentina on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Argentina?

Once all potential Ontario to Argentina 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 Ontario to Argentina right now. Can momondo alert me if prices change?

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