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$187+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
GUA — ONT
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$346
(United Airlines)

One-way from

$187
(Cheapflightsfares)

Popular in

January

Cheapest in

September

Average price

$432
Provider with most accurate pricing for Guatemala City La Aurora-Ontario flight deals.
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Provider most trusted by Cheapflights users for Guatemala City La Aurora-Ontario flights.
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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. 15% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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 7/31:30 amGUA - ONT
1 stop17h 10mUnited Airlines
Tue 7/86:00 amONT - GUA
1 stop11h 49mUnited Airlines
Deal found 4/30$346
This Priceline deal was found by Cheapflights users on 4/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/57:50 amGUA - ONT
2 stops15h 05mAvianca
Thu 6/1211:25 pmONT - GUA
1 stop8h 40mAvianca
Deal found 4/30$414
This Delta deal was found by Cheapflights users on 4/30. 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.
Fri 6/61:00 pmGUA - ONT
1 stop10h 29mDelta
Sun 6/1510:05 pmONT - GUA
1 stop12h 23mDelta
Deal found 4/30$674

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 May 1, 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

Thu 7/3

1:30 am-5:40 pm

1 stop17h 10m

Ontario

Tue 7/8

6:00 am-6:49 pm

1 stop11h 49m

$346

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Thu 6/5

7:50 am-9:55 pm

2 stops15h 05m

Ontario

Thu 6/12

11:25 pm-9:05 am

1 stop8h 40m

$414

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Fri 6/6

1:00 pm-10:29 pm

1 stop10h 29m

Ontario

Tue 6/17

10:05 pm-11:28 am

1 stop12h 23m

$674

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Fri 6/20

7:53 am-11:13 pm

2 stops16h 20m

Ontario

Sat 6/28

1:09 am-2:46 pm

2 stops12h 37m

$743

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Fri 5/23

2:05 pm-9:58 pm

1 stop8h 53m

Ontario

Fri 5/30

6:15 am-6:52 pm

2 stops11h 37m

$1,020

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Wed 5/21

9:45 pm-9:55 pm

2 stops25h 10m

$187

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Mon 6/9

12:53 pm-10:25 pm

1 stop10h 32m

$192

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Wed 5/14

6:15 am-10:00 pm

1 stop16h 45m

$196

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Fri 6/20

8:53 am-6:36 pm

1 stop10h 43m

$267

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Thu 6/26

10:11 am-11:13 pm

2 stops14h 02m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Compare providers for flights from Guatemala City to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Guatemala City to Ontario in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Guatemala City-Ontario flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Guatemala City-Ontario flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Guatemala City-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Guatemala City-Ontario flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Guatemala City-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 May 1, 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 May 1, 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Guatemala City 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
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

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
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

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
2,317 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

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
Volaris
6.7
Okay
1,174 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

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 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 United Airlines. Our recent data shows that you can find tickets from as low as $346 on this airline. Additional options worth looking into are Avianca and Delta, starting at $414 and $674 round-trip. These flights start at 40% 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 $187. However, be on the lookout for offers from Delta 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 2 airlines flying from Guatemala City to Ontario

Discover the top 2 airlines 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$263Average$277FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$432Average$747FlexibilityNo cancel feeOn-time69%

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