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$130+ Cheap flights from Guatemala City (GUA) 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
GUA — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Guatemala City to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Guatemala City (GUA) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$219
(Cheapflightsfares)

One-way from

$130
(FlightHub)

Popular in

January

Cheapest in

September

Average price

$415
From Guatemala City La Aurora to Ontario
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One-way flight from Guatemala City La Aurora to Ontario
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Highest demand for flights based on searches. 17% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 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 Guatemala City to Ontario

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

This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/185:20 amGUA - ONT
1 stop17h 35mAvianca
Sat 11/111:30 pmONT - GUA
1 stop8h 50mAvianca
Deal found 6/10$219
This Kissandfly.com deal was found by Cheapflights users on 6/11. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/212:40 amGUA - ONT
2 stops18h 28mMultiple Airlines
Thu 8/76:00 amONT - GUA
1 stop11h 49mMultiple Airlines
Deal found 6/11$319
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:38 pmGUA - ONT
1 stop9h 47mLufthansa
Mon 10/66:00 amONT - GUA
1 stop11h 49mLufthansa
Deal found 6/9$359
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/186:15 amGUA - ONT
1 stop15h 55mUnited Airlines
Wed 10/156:00 amONT - GUA
1 stop9h 32mUnited Airlines
Deal found 6/10$368
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1612:53 pmGUA - ONT
1 stop10h 32mDelta
Tue 10/2110:59 pmONT - GUA
1 stop12h 06mDelta
Deal found 6/10$542

Cheapflights Fare Finder

Customize your flight search to find flights from Guatemala City 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 Guatemala City to Ontario that are best for you.

Fly from

Guatemala City

Fly to

Ontario

Route

Depart

Return

Price

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Sat 10/18

5:20 am-9:55 pm

1 stop17h 35m

Ontario

Sat 11/1

11:30 pm-9:20 am

1 stop8h 50m

$219

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Sat 8/2

12:40 am-6:08 pm

2 stops18h 28m

Ontario

Thu 8/7

6:00 am-6:49 pm

1 stop11h 49m

$319

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Thu 9/11

12:38 pm-9:25 pm

1 stop9h 47m

Ontario

Mon 10/6

6:00 am-6:49 pm

1 stop11h 49m

$359

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Tue 7/1

6:15 am-9:37 pm

1 stop16h 22m

Ontario

Sat 8/2

6:00 am-6:49 pm

1 stop11h 49m

$368

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Tue 6/17

7:50 am-9:55 pm

1 stop15h 05m

$130

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Mon 6/30

12:35 am-6:12 pm

2 stops18h 37m

$147

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Thu 6/26

6:15 am-9:37 pm

1 stop16h 22m

$207

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Thu 8/7

1:30 am-9:37 pm

1 stop21h 07m

$232

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Sun 10/19

8:20 pm-12:37 pm

3 stops17h 17m

$347

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Thu 6/19

12:53 pm-10:25 pm

1 stop10h 32m

$463

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 11 results
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Best time to book a flight from Guatemala City to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Guatemala City 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 Guatemala City to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Guatemala City to Ontario (average of $246). Flying from Guatemala City 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 GUA to ONT?

Find hourly flight availability from Guatemala City 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.

A simple way to save on the total cost of your ticket is to fly from Guatemala City to Ontario at noon. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the morning.

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.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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
Volaris
6.7
Okay
1,170 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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 Guatemala City to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Guatemala City to Ontario round-trip?

    Our cheapest airline available from Guatemala City to Ontario is Avianca. Our recent data shows that you can find tickets from as low as $219 on this airline. Additional options worth looking into are Lufthansa and United Airlines, starting at $359 and $368 round-trip. These flights start at 61% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Avianca, with whom users have recently found tickets for as low as $130. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Guatemala City to Ontario for a low price.

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

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

  • How can I find direct flights from Guatemala City to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Guatemala City 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 Guatemala City to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Guatemala City to Ontario (average of $246). Flying from Guatemala City 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Guatemala City to Ontario

Discover the top airline that operate flights from Guatemala City to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$345Average$591FlexibilityNo cancel feeOn-time69%

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