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 49% 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?

United Airlines, Avianca, and Delta 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.

$504 Cheap Flights from Ontario to Argentina in 2025/26

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Find the cheapest flights from Ontario to Argentina

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Cheap round-trip flights

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10:30 pm - 9:35 amONT-EZE

31h 05m2 stops

8:00 am - 11:38 amEZE-ONT

31h 38m2 stops

$1,022LATAM Airlines

Find Deal

Sun, Mar 8 - Tue, Mar 17

1:04 pm - 9:00 amONT-EZE

14h 56m1 stop

8:55 pm - 11:54 amEZE-ONT

19h 59m1 stop

$1,026Delta

Find Deal

Mon, Jan 26 - Mon, Feb 9

5:05 am - 7:20 amONT-EZE

21h 15m2 stops

10:05 pm - 12:47 pmEZE-ONT

19h 42m2 stops

$1,030United Airlines

Find Deal

Thu, Jan 29 - Tue, Feb 10

6:00 am - 7:20 amONT-EZE

20h 20m1 stop

11:55 pm - 9:58 pmEZE-ONT

27h 03m1 stop

$1,038United Airlines

Find Deal

Tue, Jan 6 - Tue, Jan 20

10:30 pm - 9:00 amONT-EZE

29h 30m1 stop

8:55 pm - 11:54 amEZE-ONT

19h 59m1 stop

$1,040Delta

Find Deal

Sun, Feb 1 - Mon, Feb 9

7:15 pm - 8:20 amONT-EZE

33h 05m2 stops

9:05 pm - 10:35 pmEZE-ONT

29h 30m1 stop

$1,042United Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 25

1:24 pm - 7:20 amONT-EZE

36h 56m2 stops

10:05 pm - 12:47 pmEZE-ONT

19h 42m2 stops

$1,049United Airlines

Find Deal

Sun, Feb 1 - Mon, Feb 9

8:55 pm - 5:10 amONT-EZE

27h 15m3 stops

6:15 am - 10:35 pmEZE-ONT

44h 20m3 stops

$1,161Multiple Airlines

Find Deal

Mon, Feb 23 - Tue, Mar 10

11:30 pm - 1:35 amONT-EZE

22h 05m2 stops

2:40 am - 9:55 pmEZE-ONT

23h 15m2 stops

$1,184Avianca

Find Deal

Tue, Mar 10 - Mon, Mar 23

10:30 pm - 5:10 amONT-EZE

25h 40m2 stops

6:15 am - 8:55 pmEZE-ONT

19h 40m2 stops

$1,201Avianca

Find Deal

Tue, Nov 18 - Thu, Nov 27

LATAM Airlines flights from Ontario to Argentina

Our best LATAM Airlines deals on Ontario to Argentina flight tickets

LATAM Airlines

Mar 8

ONT10:30 pmOntario

31h 05m

2 stops

EZE9:35 amBuenos Aires Ministro Pistarini

Mar 17

EZE8:00 amBuenos Aires Ministro Pistarini

31h 38m

2 stops

ONT11:38 amOntario

$1,022

Find similar

LATAM Airlines

Mar 8

ONT10:30 pmOntario

31h 05m

2 stops

EZE9:35 amBuenos Aires Ministro Pistarini

Mar 20

EZE11:00 amBuenos Aires Ministro Pistarini

28h 38m

2 stops

ONT11:38 amOntario

$1,062

Find similar

LATAM Airlines

Feb 23

ONT1:00 pmOntario

32h 50m

2 stops

EZE2:50 amBuenos Aires Ministro Pistarini

Mar 10

EZE7:45 amBuenos Aires Ministro Pistarini

31h 53m

3 stops

ONT11:38 amOntario

$1,069

Find similar

Delta flights from Ontario to Argentina

Our best Delta deals on Ontario to Argentina flight tickets

Delta

Jan 26

ONT1:04 pmOntario

14h 56m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

Feb 9

EZE8:55 pmBuenos Aires Ministro Pistarini

19h 59m

1 stop

ONT11:54 amOntario

$1,026

Find similar

Delta

Feb 1

ONT10:30 pmOntario

29h 30m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

Feb 9

EZE8:55 pmBuenos Aires Ministro Pistarini

19h 59m

1 stop

ONT11:54 amOntario

$1,040

Find similar

Delta

Mar 7

ONT10:30 pmOntario

54h 45m

2 stops

EZE10:15 amBuenos Aires Ministro Pistarini

Mar 19

EZE11:55 pmBuenos Aires Ministro Pistarini

25h 19m

1 stop

ONT9:14 pmOntario

$1,051

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 3/8

10:30 pm-9:35 am

2 stops31h 05m

Buenos Aires Ministro Pistarini

Tue 3/17

8:00 am-11:38 am

2 stops31h 38m

$1,022

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Mon 1/26

1:04 pm-9:00 am

1 stop14h 56m

Buenos Aires Ministro Pistarini

Mon 2/9

8:55 pm-11:54 am

1 stop19h 59m

$1,026

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 1/29

5:05 am-7:20 am

2 stops21h 15m

Buenos Aires Ministro Pistarini

Tue 2/10

10:05 pm-12:47 pm

2 stops19h 42m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 1/6

6:00 am-7:20 am

1 stop20h 20m

Buenos Aires Ministro Pistarini

Tue 1/20

11:55 pm-9:58 pm

1 stop27h 03m

$1,038

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 2/1

10:30 pm-9:00 am

1 stop29h 30m

Buenos Aires Ministro Pistarini

Mon 2/9

8:55 pm-11:54 am

1 stop19h 59m

$1,040

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 3/10

7:15 pm-8:20 am

2 stops33h 05m

Buenos Aires Ministro Pistarini

Wed 3/25

9:05 pm-10:35 pm

1 stop29h 30m

$1,042

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 2/1

1:24 pm-7:20 am

2 stops36h 56m

Buenos Aires Ministro Pistarini

Mon 2/9

10:05 pm-12:47 pm

2 stops19h 42m

$1,049

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Mon 2/23

8:55 pm-5:10 am

3 stops27h 15m

Buenos Aires Ministro Pistarini

Tue 3/10

6:15 am-10:35 pm

3 stops44h 20m

$1,161

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 3/10

11:30 pm-1:35 am

2 stops22h 05m

Buenos Aires Ministro Pistarini

Mon 3/23

2:40 am-9:55 pm

2 stops23h 15m

$1,184

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 11/18

10:30 pm-5:10 am

2 stops25h 40m

Buenos Aires Ministro Pistarini

Thu 11/27

6:15 am-8:55 pm

2 stops19h 40m

$1,201

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.