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$325+ Cheap flights from Peru to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
LIM — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Peru to Ontario

Keep the following information in mind while searching for Peru to Ontario flight deals. Data was last updated June 12, 2025.

Round-trip from

$593
(Mytrip)

One-way from

$325
(Mytrip)

Popular in

July

Cheapest in

November

Average price

$750
From Peru to Ontario
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One-way flight from Peru to Ontario
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Highest demand for flights based on searches. 10% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Peru to Ontario

Cheapest flights from Peru to Ontario
Explore the most affordable flight options available from Peru to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/58:25 pmLIM - ONT
2 stops27h 30mAvianca
Tue 7/811:25 pmONT - LIM
2 stops24h 20mAvianca
Deal found 6/10$593
This Mytrip deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/258:25 pmLIM - ONT
2 stops27h 30mMultiple Airlines
Mon 8/49:11 pmONT - LIM
2 stops29h 55mMultiple Airlines
Deal found 6/9$720
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:50 amLIM - ONT
2 stops21h 27mUnited Airlines
Mon 12/11:40 pmONT - LIM
2 stops31h 15mUnited Airlines
Deal found 6/9$757
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/16:14 amLIM - ONT
2 stops18h 59mVolaris
Sun 7/69:11 pmONT - LIM
2 stops29h 55mVolaris
Deal found 6/10$929
This LATAM Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/912:15 amLIM - ONT
2 stops21h 27mLATAM Airlines
Thu 10/910:59 pmONT - LIM
2 stops19h 16mLATAM Airlines
Deal found 6/12$996

Cheapflights Fare Finder

Customize your flight search to find flights from Peru to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Peru to Ontario that are best for you.

Fly from

Peru

Fly to

Ontario

Route

Depart

Return

Price

LimaOntario

LIM - ONT

LIMONT

Lima J Chavez Intl

Sat 7/5

8:25 pm-9:55 pm

2 stops27h 30m

Ontario

Tue 7/8

11:25 pm-1:45 am

2 stops24h 20m

$593

LimaOntario

LIM - ONT

LIMONT

Lima J Chavez Intl

Fri 7/25

8:25 pm-9:55 pm

2 stops27h 30m

Ontario

Mon 8/4

9:11 pm-5:06 am

2 stops29h 55m

$720

LimaOntario

LIM - ONT

LIMONT

Lima J Chavez Intl

Thu 11/6

1:50 am-8:17 pm

2 stops21h 27m

Ontario

Mon 12/1

1:40 pm-11:55 pm

2 stops31h 15m

$757

LimaOntario

LIM - ONT

LIMONT

Lima J Chavez Intl

Tue 7/1

6:14 am-11:13 pm

2 stops18h 59m

Ontario

Sun 7/6

9:11 pm-5:06 am

2 stops29h 55m

$929

LimaOntario

LIM - ONT

LIMONT

Lima J Chavez Intl

Tue 9/9

12:15 am-7:42 pm

2 stops21h 27m

Ontario

Thu 10/9

10:59 pm-8:15 pm

2 stops19h 16m

$996

LimaOntario

LIM - ONT

LIMONT

Lima J Chavez Intl

Fri 7/18

8:25 pm-9:55 pm

2 stops27h 30m

$325

LimaOntario

LIM - ONT

LIMONT

Lima J Chavez Intl

Sun 12/7

5:55 am-6:44 pm

2 stops15h 49m

$446

LimaOntario

LIM - ONT

LIMONT

Lima J Chavez Intl

Tue 12/9

1:50 am-9:21 pm

1 stop22h 31m

$609

LimaOntario

LIM - ONT

LIMONT

Lima J Chavez Intl

Tue 7/1

6:45 am-11:13 pm

3 stops18h 28m

$619

LimaOntario

LIM - ONT

LIMONT

Lima J Chavez Intl

Tue 8/12

11:20 pm-7:11 pm

1 stop21h 51m

$642

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results
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Best time to book a flight from Peru to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Peru with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Peru to Ontario

What is the cheapest month to book a flight from Peru to Ontario?

Currently, August is the cheapest month in which you can book a flight from Peru to Ontario (average of $246). Flying from Peru to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PE to ONT?

Find hourly flight availability from Peru to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Peru to Ontario as you normally would.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated June 12, 2025.
See what other customers who have flown with Delta, LATAM Airlines and United Airlines from Peru to Ontario have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LATAM Airlines
7.5
Good
1,785 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Avianca
6.7
Okay
2,345 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Peru to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Peru?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ontario from Peru.

  • What are the cheapest airlines to fly from Peru to Ontario one-way?

    $325 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on Volaris and United Airlines, with prices starting from $446 and $609, respectively.

  • Can I find deals for flights from Peru to Ontario that include hotel bookings?

    Yes. In addition to deals on Peru to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Peru to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Peru to Ontario.

  • Can I find deals for business class flights from Peru to Ontario?

    Yes. Cheapflights offers flight deals from Peru to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Peru to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Peru to Ontario (average of $246). Flying from Peru to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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