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 55% 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.

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

United Airlines and LATAM 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.

$367 Cheap Flights from Ontario to Argentina in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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 - 5:00 am

ONT

EZE

24h 05m

3 stops

2:45 am - 11:05 pm

EZE

ONT

24h 20m

3 stops

$936Multiple Airlines

Sat, Jun 6 - Sat, Jun 13

12:55 am - 8:15 am

ONT

EZE

27h 20m

3 stops

9:15 pm - 11:05 pm

EZE

ONT

29h 50m

3 stops

$1,025Multiple Airlines

Sun, Jun 21 - Wed, Jul 1

9:36 pm - 9:16 am

ONT

EZE

31h 40m

3 stops

2:40 am - 11:05 pm

EZE

ONT

24h 25m

3 stops

$1,026Multiple Airlines

Thu, Oct 15 - Mon, Oct 26

9:36 pm - 10:00 am

ONT

EZE

32h 24m

3 stops

4:50 pm - 11:05 pm

EZE

ONT

34h 15m

3 stops

$1,039Multiple Airlines

Tue, Jul 7 - Thu, Jul 16

9:36 pm - 1:20 am

ONT

EZE

23h 44m

3 stops

4:50 pm - 11:05 pm

EZE

ONT

34h 15m

3 stops

$1,050Multiple Airlines

Wed, Jun 17 - Wed, Jun 24

9:36 pm - 3:00 am

ONT

EZE

25h 24m

3 stops

9:15 pm - 11:05 pm

EZE

ONT

29h 50m

3 stops

$1,066Multiple Airlines

Wed, Aug 12 - Sat, Aug 22

9:36 pm - 10:00 am

ONT

EZE

32h 24m

3 stops

4:50 pm - 11:05 pm

EZE

ONT

34h 15m

3 stops

$1,071Multiple Airlines

Sun, May 31 - Sun, Jun 14

9:36 pm - 5:40 am

ONT

EZE

28h 04m

3 stops

2:30 am - 11:05 pm

EZE

ONT

24h 35m

3 stops

$1,076Multiple Airlines

Sun, May 31 - Mon, Jun 8

9:36 pm - 9:16 am

ONT

EZE

31h 40m

3 stops

4:45 am - 11:05 pm

EZE

ONT

22h 20m

3 stops

$1,105Multiple Airlines

Thu, Aug 6 - Fri, Aug 14

11:56 am - 7:03 pm

ONT

MDZ

27h 07m

2 stops

7:35 am - 10:42 am

MDZ

ONT

31h 07m

2 stops

$1,916LATAM Airlines

Sun, Aug 23 - Thu, Aug 27

LATAM Airlines flights from Ontario to Argentina

Our best LATAM Airlines deals on Ontario to Argentina flight tickets

LATAM Airlines

Jun 30

ONT7:05 amOntario

22h 35m

2 stops

EZE9:40 amBuenos Aires Ministro Pistarini

Jul 7

EZE1:10 pmBuenos Aires Ministro Pistarini

25h 28m

2 stops

ONT10:38 amOntario

$1,158

LATAM Airlines

May 17

ONT12:07 pmOntario

17h 38m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

May 29

EZE1:10 pmBuenos Aires Ministro Pistarini

25h 47m

2 stops

ONT10:57 amOntario

$1,797

LATAM Airlines

May 17

ONT7:05 amOntario

22h 40m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

May 28

EZE8:10 pmBuenos Aires Ministro Pistarini

18h 47m

1 stop

ONT10:57 amOntario

$1,870

United Airlines flights from Ontario to Argentina

Our best United Airlines deals on Ontario to Argentina flight tickets

United Airlines

Oct 12

ONT6:00 amOntario

22h 00m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Oct 19

EZE9:00 pmBuenos Aires Ministro Pistarini

22h 22m

2 stops

ONT3:22 pmOntario

$1,151

United Airlines

Jun 29

ONT6:39 pmOntario

33h 21m

2 stops

EZE8:00 amBuenos Aires Ministro Pistarini

Jul 7

EZE9:00 pmBuenos Aires Ministro Pistarini

19h 47m

2 stops

ONT12:47 pmOntario

$1,172

United Airlines

Jul 16

ONT5:45 amOntario

22h 15m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Aug 4

EZE9:00 pmBuenos Aires Ministro Pistarini

29h 37m

2 stops

ONT10:37 pmOntario

$1,176

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sat 6/6

12:55 am-5:00 am

3 stops24h 05m

Buenos Aires Ministro Pistarini

Sat 6/13

2:45 am-11:05 pm

3 stops24h 20m

$936

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 6/21

12:55 am-8:15 am

3 stops27h 20m

Buenos Aires Ministro Pistarini

Wed 7/1

9:15 pm-11:05 pm

3 stops29h 50m

$1,025

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 10/15

9:36 pm-9:16 am

3 stops31h 40m

Buenos Aires Ministro Pistarini

Mon 10/26

2:40 am-11:05 pm

3 stops24h 25m

$1,026

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 7/7

9:36 pm-10:00 am

3 stops32h 24m

Buenos Aires Ministro Pistarini

Thu 7/16

4:50 pm-11:05 pm

3 stops34h 15m

$1,039

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Wed 6/17

9:36 pm-1:20 am

3 stops23h 44m

Buenos Aires Ministro Pistarini

Wed 6/24

4:50 pm-11:05 pm

3 stops34h 15m

$1,050

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Wed 8/12

9:36 pm-3:00 am

3 stops25h 24m

Buenos Aires Ministro Pistarini

Sat 8/22

9:15 pm-11:05 pm

3 stops29h 50m

$1,066

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 5/31

9:36 pm-10:00 am

3 stops32h 24m

Buenos Aires Ministro Pistarini

Sun 6/14

4:50 pm-11:05 pm

3 stops34h 15m

$1,071

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 5/31

9:36 pm-5:40 am

3 stops28h 04m

Buenos Aires Ministro Pistarini

Mon 6/8

2:30 am-11:05 pm

3 stops24h 35m

$1,076

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 8/6

9:36 pm-9:16 am

3 stops31h 40m

Buenos Aires Ministro Pistarini

Fri 8/14

4:45 am-11:05 pm

3 stops22h 20m

$1,105

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Sun 8/23

11:56 am-7:03 pm

2 stops27h 07m

Mendoza El Plumerillo

Thu 8/27

7:35 am-10:42 am

2 stops31h 07m

$1,916

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	14h 35m
Direct flights	None

The fastest flight from Ontario to Argentina takes 14h 35m

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

Search flight deals

Frequently asked questions about flying 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.

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.