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

LATAM Airlines is the most popular carrier operating from Ontario to Argentina

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 54% of people opting to fly with this airline when traveling to Argentina. Keep in mind that there are 6 different airlines that fly to Argentina on a routine basis, so you have a few additional options to choose from.

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.

$434 Cheap Flights from Ontario to Argentina in 2026

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Find the cheapest flights from Ontario to Argentina

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:55 am - 10:00 am

ONT

EZE

29h 05m

3 stops

9:15 pm - 11:05 pm

EZE

ONT

29h 50m

3 stops

$921Multiple Airlines

Sun, May 10 - Wed, May 27

9:36 pm - 10:00 am

ONT

EZE

32h 24m

3 stops

4:50 pm - 9:45 pm

EZE

ONT

32h 55m

2 stops

$927Multiple Airlines

Tue, Sep 1 - Wed, Sep 30

9:36 pm - 10:00 am

ONT

EZE

32h 24m

3 stops

4:50 pm - 9:45 pm

EZE

ONT

32h 55m

2 stops

$936Multiple Airlines

Tue, Sep 1 - Wed, Sep 30

9:36 pm - 4:10 am

ONT

EZE

26h 34m

3 stops

4:50 pm - 9:45 pm

EZE

ONT

32h 55m

2 stops

$972Multiple Airlines

Fri, Apr 17 - Fri, Apr 24

9:36 pm - 10:00 am

ONT

EZE

32h 24m

3 stops

7:10 am - 9:45 pm

EZE

ONT

18h 35m

2 stops

$976Multiple Airlines

Tue, Apr 7 - Tue, May 26

9:36 pm - 10:00 am

ONT

EZE

32h 24m

3 stops

2:30 am - 9:45 pm

EZE

ONT

23h 15m

2 stops

$980Multiple Airlines

Sun, Jun 7 - Mon, Jun 15

9:36 pm - 5:40 am

ONT

EZE

28h 04m

3 stops

2:30 am - 11:05 pm

EZE

ONT

24h 35m

3 stops

$1,014Multiple Airlines

Wed, Apr 8 - Tue, Apr 21

9:36 pm - 5:40 am

ONT

EZE

28h 04m

3 stops

4:50 pm - 9:45 pm

EZE

ONT

32h 55m

2 stops

$1,021Multiple Airlines

Mon, May 11 - Mon, May 18

9:36 pm - 10:00 am

ONT

EZE

32h 24m

3 stops

2:30 am - 9:45 pm

EZE

ONT

23h 15m

2 stops

$1,022Multiple Airlines

Tue, Jun 2 - Mon, Jun 8

9:36 pm - 10:00 am

ONT

EZE

32h 24m

3 stops

2:30 am - 9:45 pm

EZE

ONT

23h 15m

2 stops

$1,035Multiple Airlines

Tue, Jun 9 - Mon, Jun 15

Avianca flights from Ontario to Argentina

Our best Avianca deals on Ontario to Argentina flight tickets

Avianca

May 26

ONT11:35 pmOntario

25h 25m

3 stops

EZE5:00 amBuenos Aires Ministro Pistarini

Jun 5

EZE2:30 amBuenos Aires Ministro Pistarini

23h 15m

2 stops

ONT9:45 pmOntario

$1,055

Avianca

May 5

ONT11:35 pmOntario

25h 25m

3 stops

EZE5:00 amBuenos Aires Ministro Pistarini

May 29

EZE2:30 amBuenos Aires Ministro Pistarini

23h 15m

2 stops

ONT9:45 pmOntario

$1,095

Avianca

Sep 15

ONT11:35 pmOntario

25h 25m

3 stops

EZE5:00 amBuenos Aires Ministro Pistarini

Sep 29

EZE6:10 amBuenos Aires Ministro Pistarini

19h 35m

3 stops

ONT9:45 pmOntario

$1,124

United Airlines flights from Ontario to Argentina

Our best United Airlines deals on Ontario to Argentina flight tickets

United Airlines

May 18

ONT6:00 amOntario

22h 00m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jun 1

EZE9:00 pmBuenos Aires Ministro Pistarini

19h 12m

2 stops

ONT12:12 pmOntario

$1,151

United Airlines

Jun 23

ONT5:45 amOntario

22h 15m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jul 6

EZE9:00 pmBuenos Aires Ministro Pistarini

28h 55m

1 stop

ONT9:55 pmOntario

$1,160

United Airlines

Jun 30

ONT5:00 amOntario

23h 00m

2 stops

EZE8:00 amBuenos Aires Ministro Pistarini

Jul 30

EZE9:00 pmBuenos Aires Ministro Pistarini

28h 55m

1 stop

ONT9:55 pmOntario

$1,164

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 5/10

12:55 am-10:00 am

3 stops29h 05m

Buenos Aires Ministro Pistarini

Wed 5/27

9:15 pm-11:05 pm

3 stops29h 50m

$921

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 9/1

9:36 pm-10:00 am

3 stops32h 24m

Buenos Aires Ministro Pistarini

Wed 9/30

4:50 pm-9:45 pm

2 stops32h 55m

$927

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 9/1

9:36 pm-10:00 am

3 stops32h 24m

Buenos Aires Ministro Pistarini

Wed 9/30

4:50 pm-9:45 pm

2 stops32h 55m

$936

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Fri 4/17

9:36 pm-4:10 am

3 stops26h 34m

Buenos Aires Ministro Pistarini

Fri 4/24

4:50 pm-9:45 pm

2 stops32h 55m

$972

Quickest round-trip

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 4/7

9:36 pm-10:00 am

3 stops32h 24m

Buenos Aires Ministro Pistarini

Tue 5/26

7:10 am-9:45 pm

2 stops18h 35m

$976

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 6/7

9:36 pm-10:00 am

3 stops32h 24m

Buenos Aires Ministro Pistarini

Mon 6/15

2:30 am-9:45 pm

2 stops23h 15m

$980

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Wed 4/8

9:36 pm-5:40 am

3 stops28h 04m

Buenos Aires Ministro Pistarini

Tue 4/21

2:30 am-11:05 pm

3 stops24h 35m

$1,014

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Mon 5/11

9:36 pm-5:40 am

3 stops28h 04m

Buenos Aires Ministro Pistarini

Mon 5/18

4:50 pm-9:45 pm

2 stops32h 55m

$1,021

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 6/2

9:36 pm-10:00 am

3 stops32h 24m

Buenos Aires Ministro Pistarini

Mon 6/8

2:30 am-9:45 pm

2 stops23h 15m

$1,022

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 6/9

9:36 pm-10:00 am

3 stops32h 24m

Buenos Aires Ministro Pistarini

Mon 6/15

2:30 am-9:45 pm

2 stops23h 15m

$1,035

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

Can stopping save me money on Ontario to Argentina flights?

You could potentially save up to 14% on your flight if you consider stops on a Ontario to Argentina flight.

Cheap Ontario to Argentina flight deals and tips

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

Fastest flight time	16h 03m
Direct flights	None

The fastest flight from Ontario to Argentina takes 16h 03m

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.