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$194+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
GUA — ONT
May 28 — Jun 41
Thu 5/28
Thu 6/4
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 April 28, 2026.

This OneTravel deal was found by Cheapflights users on 4/27. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/911:16 am
GUA
-
ONT
1 stop30h 27m
Frontier
Sat 7/256:47 pm
ONT
-
GUA
1 stop14h 23m
Frontier
Deal found 4/27$353
This OneTravel deal was found by Cheapflights users on 4/24. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/73:55 pm
GUA
-
ONT
1 stop28h 16m
Frontier
Sat 6/206:47 pm
ONT
-
GUA
1 stop14h 14m
Frontier
Deal found 4/24$403
This OneTravel deal was found by Cheapflights users on 4/26. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/143:47 pm
GUA
-
ONT
2 stops29h 04m
Frontier
Sat 8/86:47 pm
ONT
-
GUA
1 stop14h 23m
Frontier
Deal found 4/26$418
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Fri 9/256:15 am
GUA
-
ONT
1 stop16h 43m
United Airlines
Tue 9/296:00 am
ONT
-
GUA
1 stop9h 37m
United Airlines
Deal found 4/22$441
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:15 am
GUA
-
ONT
1 stop16h 44m
United Airlines
Thu 9/241:49 pm
ONT
-
GUA
2 stops20h 35m
United Airlines
Deal found 4/23$445
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/142:10 am
GUA
-
ONT
2 stops17h 37m
United Airlines
Tue 1/51:00 pm
ONT
-
GUA
2 stops24h 35m
United Airlines
Deal found 4/26$454
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Mon 5/43:14 pm
GUA
-
ONT
2 stops21h 20m
American Airlines
Mon 5/1111:59 pm
ONT
-
GUA
2 stops17h 44m
American Airlines
Deal found 4/24$455
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:30 am
GUA
-
ONT
1 stop21h 29m
United Airlines
Wed 9/235:45 am
ONT
-
GUA
1 stop9h 52m
United Airlines
Deal found 4/23$463
This OneTravel deal was found by Cheapflights users on 4/27. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/183:47 pm
GUA
-
ONT
2 stops24h 20m
Frontier
Wed 7/226:47 pm
ONT
-
GUA
1 stop14h 23m
Frontier
Deal found 4/27$470
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/911:16 am
GUA
-
ONT
2 stops13h 34m
Frontier
Wed 7/296:47 pm
ONT
-
GUA
1 stop14h 23m
Frontier
Deal found 4/27$472

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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$403
(OneTravel)

One-way from

$194
(Priceline)

Popular in

March

Cheapest in

September

Average price

$427
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. 15% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 28, 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
Quickest round-trip

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Fri 5/15

6:15 am-9:58 pm

1 stop16h 43m

Ontario

Wed 10/21

6:00 am-6:49 pm

1 stop11h 49m

$508

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Thu 4/30

3:45 pm-12:22 pm

2 stops21h 37m

Ontario

Mon 5/4

6:59 pm-4:37 pm

2 stops20h 38m

$524

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Mon 5/4

3:45 pm-5:52 pm

2 stops27h 07m

Ontario

Fri 8/28

5:45 am-4:37 pm

1 stop9h 52m

$524

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Sat 5/9

3:45 pm-12:38 pm

2 stops21h 53m

Ontario

Tue 5/12

6:00 am-4:37 pm

1 stop9h 37m

$524

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Tue 6/2

6:15 am-5:28 pm

2 stops12h 13m

Ontario

Fri 6/5

1:18 pm-11:24 am

2 stops21h 06m

$608

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Fri 5/22

6:15 am-9:55 pm

1 stop16h 40m

Ontario

Fri 5/29

6:39 pm-4:37 pm

2 stops20h 58m

$608

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Tue 7/14

3:45 pm-12:12 pm

2 stops21h 27m

Ontario

Wed 9/30

11:20 am-11:24 am

2 stops23h 04m

$647

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Thu 4/30

3:45 pm-9:41 am

2 stops18h 56m

Ontario

Thu 5/7

6:00 am-4:37 pm

1 stop9h 37m

$680

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Sat 6/6

3:45 pm-12:12 pm

2 stops21h 27m

Ontario

Thu 6/11

1:18 pm-11:25 am

2 stops21h 07m

$686

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Fri 7/10

3:45 pm-12:47 pm

2 stops22h 02m

Ontario

Sat 7/18

1:50 pm-11:25 am

2 stops20h 35m

$695

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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 April.
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, September is the cheapest month in which you can book a flight from Guatemala City to Ontario (average of $210). Flying from Guatemala City to Ontario in March is currently the most expensive (average of $680). 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?

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 April 28, 2026.
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
9,672 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

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
9,672 reviews
United Airlines
7.4
Good
9,672 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

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
7.1
Good
11,677 reviews
United Airlines
7.4
Good
9,672 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

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 16h 43m. 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 United Airlines. Our recent data shows that you can find tickets from as low as $206 on this airline. An additional option worth looking into is American Airlines, starting at $220. These flights start at 55% 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 $120. 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, September is the cheapest month in which you can book a flight from Guatemala City to Ontario (average of $210). Flying from Guatemala City to Ontario in March is currently the most expensive (average of $680). 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 April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$206Average$367FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$220Average$560FlexibilityNo cancel feeOn-time71%

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