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$115+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
GUA — ONT
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
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 octubre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$232
(American Airlines)

One-way from

$115
(Cheapflightsfares)

Popular in

January

Cheapest in

September

Average price

$502
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. 28% potential increase in price ($193 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octubre 28, 2025.

This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/117:10 amGUA - ONT
2 stops15h 57mAmerican Airlines
dom. 1/184:45 pmONT - GUA
2 stops19h 22mAmerican Airlines
Deal found 10/27$232
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/119:55 amGUA - ONT
1 stop13h 00mAvianca
dom. 1/1810:30 pmONT - GUA
1 stop8h 30mAvianca
Deal found 10/27$314
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/309:55 amGUA - ONT
1 stop13h 00mAvianca
mar. 11/410:30 pmONT - GUA
1 stop18h 05mAvianca
Deal found 10/26$325
This CheapOair deal was found by Cheapflights users on 10/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/186:45 amGUA - ONT
1 stop16h 10mAvianca
dom. 1/1810:30 pmONT - GUA
1 stop18h 05mAvianca
Deal found 10/26$344
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/279:55 amGUA - ONT
1 stop13h 00mMultiple Airlines
mar. 12/212:30 pmONT - GUA
2 stops23h 20mMultiple Airlines
Deal found 10/27$363
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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.
sáb. 11/19:55 amGUA - ONT
1 stop13h 00mAvianca
jue. 11/610:30 pmONT - GUA
1 stop8h 30mAvianca
Deal found 10/28$365
This United Airlines deal was found by Cheapflights users on 10/28. 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.
mié. 12/242:43 pmGUA - ONT
1 stop9h 09mUnited Airlines
lun. 1/126:00 amONT - GUA
1 stop7h 35mUnited Airlines
Deal found 10/28$368
This United Airlines deal was found by Cheapflights users on 10/28. 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.
mié. 11/57:00 amGUA - ONT
1 stop16h 49mUnited Airlines
mié. 11/126:38 pmONT - GUA
2 stops23h 01mUnited Airlines
Deal found 10/28$373
This American Airlines deal was found by Cheapflights users on 10/28. 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.
mar. 11/43:52 pmGUA - ONT
2 stops22h 02mAmerican Airlines
dom. 11/96:10 amONT - GUA
1 stop14h 33mAmerican Airlines
Deal found 10/28$375

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 octubre 28, 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

mié. 3/25

1:43 pm-10:35 pm

1 stop9h 52m

Ontario

mié. 4/15

6:02 am-6:49 pm

1 stop11h 47m

$368

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

dom. 11/9

1:28 pm-6:36 pm

1 stop31h 08m

Ontario

jue. 11/13

1:29 pm-5:25 pm

2 stops25h 56m

$397

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

vie. 12/26

5:06 pm-9:52 pm

1 stop30h 46m

Ontario

sáb. 2/7

1:24 pm-3:35 pm

2 stops24h 11m

$398

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

mar. 3/10

12:28 pm-10:35 pm

1 stop11h 07m

Ontario

jue. 3/19

6:02 am-4:25 pm

1 stop9h 23m

$433

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

mar. 1/20

2:10 am-12:47 pm

2 stops12h 37m

Ontario

mié. 2/4

6:00 am-7:39 pm

2 stops11h 39m

$438

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

sáb. 12/20

7:00 am-9:52 pm

1 stop16h 52m

Ontario

sáb. 1/10

1:53 pm-12:26 pm

2 stops20h 33m

$438

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

mié. 11/12

7:00 am-9:49 pm

1 stop16h 49m

Ontario

dom. 11/16

6:05 am-12:26 pm

1 stop28h 21m

$455

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

mié. 3/25

1:43 pm-10:35 pm

1 stop9h 52m

Ontario

mié. 4/29

6:00 am-6:49 pm

2 stops11h 49m

$514

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

jue. 12/18

2:10 am-9:52 pm

1 stop21h 42m

Ontario

dom. 1/4

11:59 pm-1:35 pm

1 stop11h 36m

$533

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

dom. 12/21

5:06 pm-9:52 pm

1 stop30h 46m

Ontario

dom. 1/4

11:59 pm-1:35 pm

1 stop11h 36m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 22 results
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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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Guatemala City-Ontario flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, January is the cheapest month in which you can book a flight from Guatemala City to Ontario (average of $95). Flying from Guatemala City to Ontario in November is currently the most expensive (average of $159). 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 octubre 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Guatemala City to Ontario in the afternoon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight at noon.

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 octubre 28, 2025.
Read through reviews of airlines operating flights from Guatemala City to Ontario, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,001 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,001 reviews
United Airlines
7.4
Good
9,001 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
11,032 reviews
United Airlines
7.4
Good
9,001 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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 can get you from Guatemala City to Ontario in just under 9h 52m. Your travel time can differ by up to . Airlines will cover a distance of 2157 mi.

  • What are the cheapest airlines flying 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. An additional option worth looking into is United Airlines, starting at $345. These flights start at 55% lower than the current average price 3 months from now.

  • 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, January is the cheapest month in which you can book a flight from Guatemala City to Ontario (average of $95). Flying from Guatemala City to Ontario in November is currently the most expensive (average of $159). 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 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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$220Average$596FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$345Average$432FlexibilityNo cancel feeOn-time69%

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