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$236+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
GUA — ONT
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap 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 July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/27. 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 9/36:15 am
GUA
-
ONT
1 stop16h 44m
United Airlines
Fri 9/186:00 am
ONT
-
GUA
1 stop9h 37m
United Airlines
Deal found 7/27$553
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 9/16:15 am
GUA
-
ONT
2 stops12h 56m
United Airlines
Tue 9/151:56 pm
ONT
-
GUA
2 stops25h 41m
United Airlines
Deal found 7/27$557
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:46 am
GUA
-
ONT
1 stop12h 50m
American Airlines
Sat 10/102:22 pm
ONT
-
GUA
1 stop21h 43m
American Airlines
Deal found 7/24$565
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:46 am
GUA
-
ONT
1 stop22h 43m
American Airlines
Sun 9/271:04 pm
ONT
-
GUA
2 stops23h 16m
American Airlines
Deal found 7/24$569
This Justfly.com deal was found by Cheapflights users on 7/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:00 am
GUA
-
ONT
1 stop12h 55m
Avianca
Thu 2/1110:30 pm
ONT
-
GUA
1 stop8h 30m
Avianca
Deal found 7/26$572
This Mytrip deal was found by Cheapflights users on 7/27. 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 9/228:27 am
GUA
-
ONT
2 stops15h 38m
Volaris
Tue 9/299:36 pm
ONT
-
GUA
2 stops22h 15m
Volaris
Deal found 7/27$575
This Mytrip deal was found by Cheapflights users on 7/25. 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 8/228:27 am
GUA
-
ONT
2 stops15h 38m
Multiple Airlines
Mon 8/319:36 pm
ONT
-
GUA
2 stops14h 10m
Multiple Airlines
Deal found 7/25$576
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:21 pm
GUA
-
ONT
2 stops20h 08m
American Airlines
Tue 9/291:04 pm
ONT
-
GUA
2 stops23h 16m
American Airlines
Deal found 7/23$578
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 11/232:10 am
GUA
-
ONT
1 stop21h 30m
United Airlines
Fri 12/46:00 am
ONT
-
GUA
1 stop15h 00m
United Airlines
Deal found 7/27$579
This Mytrip deal was found by Cheapflights users on 7/25. 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 9/58:27 am
GUA
-
ONT
2 stops15h 38m
Volaris
Sun 9/139:36 pm
ONT
-
GUA
2 stops22h 15m
Volaris
Deal found 7/25$581
This Mytrip deal was found by Cheapflights users on 7/27. 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 8/228:27 am
GUA
-
ONT
2 stops15h 38m
Multiple Airlines
Wed 8/269:36 pm
ONT
-
GUA
2 stops14h 10m
Multiple Airlines
Deal found 7/27$582

Find 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$565
(American Airlines)

One-way from

$236
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$545
Provider with most accurate pricing for Guatemala City La Aurora-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Guatemala City La Aurora-Ontario flights.
Search Deals
From Guatemala City La Aurora to Ontario
Search Deals
One-way flight from Guatemala City La Aurora to Ontario
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 27, 2026.
Use the filters below to find and compare flights from Guatemala City to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Mon 11/2

2:10 am-12:33 pm

2 stops12h 23m

Ontario

Sat 1/30

6:53 pm-3:35 pm

2 stops18h 42m

$557

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Mon 9/14

1:30 am-8:53 pm

2 stops20h 23m

Ontario

Thu 9/24

5:00 am-4:37 pm

2 stops10h 37m

$557

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Thu 9/10

1:30 am-8:01 pm

2 stops19h 31m

Ontario

Thu 9/24

1:52 pm-11:24 am

2 stops20h 32m

$557

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Wed 9/23

12:27 pm-12:18 pm

2 stops24h 51m

Ontario

Mon 10/5

1:52 pm-11:24 am

2 stops20h 32m

$557

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Thu 8/20

1:30 am-6:11 pm

2 stops17h 41m

Ontario

Sun 8/30

7:13 pm-4:37 pm

2 stops20h 24m

$585
Quickest round-trip

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Fri 10/16

12:27 pm-9:59 pm

1 stop10h 32m

Ontario

Wed 10/28

6:00 am-6:39 pm

1 stop11h 39m

$592

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Sat 12/5

2:10 am-5:47 pm

2 stops17h 37m

Ontario

Wed 1/6

6:00 am-3:35 pm

1 stop7h 35m

$597

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Mon 9/14

1:30 am-8:53 pm

2 stops20h 23m

Ontario

Fri 9/18

5:00 am-6:49 pm

2 stops12h 49m

$602

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Wed 10/14

1:30 am-12:46 pm

2 stops12h 16m

Ontario

Fri 10/30

6:00 am-6:39 pm

1 stop11h 39m

$608

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Sat 12/19

2:48 pm-9:45 pm

1 stop8h 57m

Ontario

Wed 12/30

1:18 pm-3:35 pm

2 stops24h 17m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Guatemala City-Ontario flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $367). Flying from Guatemala City to Ontario in April is currently the most expensive (average of $977). 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.

How much does it cost to fly round-trip from Guatemala City to Ontario?

Airfare is above average for this route at the moment.

Guatemala City to Ontario flights typically cost between $292 and $523 in October.
The cheapest round-trip price found within the last 5 days was $565 on American Airlines (Oct 1-Oct 10).

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 July 27, 2026.
Read through reviews of airlines operating flights from Guatemala City to Ontario, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,837 reviews

Entertainment

6.8

Crew

7.9

Boarding

7.5

Overall

7.1

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,837 reviews
American Airlines
7.1
Good
11,837 reviews

Entertainment

6.8

Crew

7.9

Boarding

7.5

Overall

7.1

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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.

  • How long is the flight from Guatemala City to Ontario?

    United Airlines and American Airlines can get you from Guatemala City to Ontario in just under 12h 50m. Your travel time can differ by up to 3h 54m. Airlines will cover a distance of 2157 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Guatemala City to Ontario round-trip?

    Our cheapest airline available from Guatemala City to Ontario is American Airlines. Our recent data shows that you can find tickets from as low as $220 on this airline. This flight start at 60% 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 $114. However, be on the lookout for offers from United Airlines and American 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 $367). Flying from Guatemala City to Ontario in April is currently the most expensive (average of $977). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$220Average$353FlexibilityNo cancel feeOn-time71%

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