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

United Airlines and Delta are the most popular carriers 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.

$355 Cheap Flights from Ontario to Argentina in 2026

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.

11:35 pm - 3:40 pm

ONT

EZE

36h 05m

2 stops

4:50 pm - 9:45 pm

EZE

ONT

32h 55m

2 stops

$798Avianca

Thu, Aug 27 - Mon, Aug 31

11:35 pm - 1:20 am

ONT

EZE

21h 45m

2 stops

4:50 pm - 9:45 pm

EZE

ONT

32h 55m

2 stops

$816Avianca

Sat, Aug 8 - Wed, Aug 19

11:35 pm - 1:20 am

ONT

EZE

21h 45m

2 stops

7:30 am - 8:55 pm

EZE

ONT

18h 25m

2 stops

$844Avianca

Sat, Oct 17 - Tue, Nov 17

10:30 pm - 1:35 am

ONT

EZE

22h 05m

2 stops

4:55 pm - 8:55 pm

EZE

ONT

33h 00m

2 stops

$854Avianca

Sat, Nov 7 - Fri, Dec 4

12:55 am - 7:30 am

ONT

EZE

26h 35m

3 stops

2:45 am - 11:05 pm

EZE

ONT

24h 20m

3 stops

$904Multiple Airlines

Thu, Aug 20 - Sat, Aug 22

12:55 am - 5:00 am

ONT

EZE

24h 05m

3 stops

9:15 pm - 11:05 pm

EZE

ONT

29h 50m

3 stops

$906Multiple Airlines

Sat, Aug 22 - Sat, Aug 29

9:36 pm - 6:45 am

ONT

EZE

29h 09m

3 stops

9:15 pm - 11:05 pm

EZE

ONT

29h 50m

3 stops

$911Multiple Airlines

Tue, Aug 18 - Sat, Aug 29

12:55 am - 10:00 am

ONT

EZE

29h 05m

3 stops

9:15 pm - 11:05 pm

EZE

ONT

29h 50m

3 stops

$933Multiple Airlines

Tue, Jul 14 - Wed, Jul 29

9:36 pm - 8:15 am

ONT

EZE

30h 39m

3 stops

9:15 pm - 11:05 pm

EZE

ONT

29h 50m

3 stops

$949Multiple Airlines

Sun, Aug 9 - Wed, Aug 19

9:36 pm - 7:30 am

ONT

EZE

29h 54m

3 stops

9:15 pm - 11:05 pm

EZE

ONT

29h 50m

3 stops

$953Multiple Airlines

Thu, Aug 27 - Wed, Sep 30

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Delta flights from Ontario to Argentina

Our best Delta deals on Ontario to Argentina flight tickets

Delta

Aug 20

ONT7:05 amOntario

22h 40m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

Aug 25

EZE8:10 pmBuenos Aires Ministro Pistarini

18h 32m

1 stop

ONT10:42 amOntario

$1,106

Delta

Jul 7

ONT10:00 pmOntario

40h 50m

2 stops

EZE6:50 pmBuenos Aires Ministro Pistarini

Aug 15

EZE1:10 pmBuenos Aires Ministro Pistarini

27h 06m

2 stops

ONT12:16 pmOntario

$1,163

Delta

Jul 9

ONT6:20 amOntario

47h 25m

2 stops

EZE9:45 amBuenos Aires Ministro Pistarini

Aug 14

EZE1:10 pmBuenos Aires Ministro Pistarini

25h 32m

2 stops

ONT10:42 amOntario

$1,195

United Airlines flights from Ontario to Argentina

Our best United Airlines deals on Ontario to Argentina flight tickets

United Airlines

Jul 16

ONT5:45 amOntario

22h 15m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Aug 3

EZE9:00 pmBuenos Aires Ministro Pistarini

22h 29m

2 stops

ONT3:29 pmOntario

$1,110

United Airlines

Jul 7

ONT5:45 amOntario

22h 15m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jul 27

EZE9:00 pmBuenos Aires Ministro Pistarini

28h 55m

1 stop

ONT9:55 pmOntario

$1,118

United Airlines

Jul 13

ONT6:39 pmOntario

33h 21m

2 stops

EZE8:00 amBuenos Aires Ministro Pistarini

Jul 28

EZE9:00 pmBuenos Aires Ministro Pistarini

28h 55m

1 stop

ONT9:55 pmOntario

$1,123

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 8/27

11:35 pm-3:40 pm

2 stops36h 05m

Buenos Aires Ministro Pistarini

Mon 8/31

4:50 pm-9:45 pm

2 stops32h 55m

$798

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sat 8/8

11:35 pm-1:20 am

2 stops21h 45m

Buenos Aires Ministro Pistarini

Wed 8/19

4:50 pm-9:45 pm

2 stops32h 55m

$816

Quickest round-trip

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sat 10/17

11:35 pm-1:20 am

2 stops21h 45m

Buenos Aires Ministro Pistarini

Tue 11/17

7:30 am-8:55 pm

2 stops18h 25m

$844

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sat 11/7

10:30 pm-1:35 am

2 stops22h 05m

Buenos Aires Ministro Pistarini

Fri 12/4

4:55 pm-8:55 pm

2 stops33h 00m

$854

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 8/20

12:55 am-7:30 am

3 stops26h 35m

Buenos Aires Ministro Pistarini

Sat 8/22

2:45 am-11:05 pm

3 stops24h 20m

$904

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sat 8/22

12:55 am-5:00 am

3 stops24h 05m

Buenos Aires Ministro Pistarini

Sat 8/29

9:15 pm-11:05 pm

3 stops29h 50m

$906

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 8/18

9:36 pm-6:45 am

3 stops29h 09m

Buenos Aires Ministro Pistarini

Sat 8/29

9:15 pm-11:05 pm

3 stops29h 50m

$911

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 7/14

12:55 am-10:00 am

3 stops29h 05m

Buenos Aires Ministro Pistarini

Wed 7/29

9:15 pm-11:05 pm

3 stops29h 50m

$933

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 8/9

9:36 pm-8:15 am

3 stops30h 39m

Buenos Aires Ministro Pistarini

Wed 8/19

9:15 pm-11:05 pm

3 stops29h 50m

$949

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 8/27

9:36 pm-7:30 am

3 stops29h 54m

Buenos Aires Ministro Pistarini

Wed 9/30

9:15 pm-11:05 pm

3 stops29h 50m

$953

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	20h 20m
Direct flights	None

The fastest flight from Ontario to Argentina takes 20h 20m

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.