What are the cheapest airlines flying from Greensboro to Ontario round-trip?

According to our current data, American Airlines ($309), United Airlines ($319), and Delta ($408) offers the cheapest pricing from Greensboro to Ontario. American Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Greensboro to Ontario?

Travelers seeking maximum savings on their Greensboro to Ontario flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Greensboro to Ontario?

Departing on a Wednesday is a good option for securing a great price. You can expect to save up to 23% when planning your travel around this day of the week.

How far in advance should I book a flight from Greensboro to Ontario?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 60 days in advance, which can save you up to 69% on flights from Greensboro to Ontario compared to booking the week you need them. Waiting 60 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $413. For sooner than that we have options available in the next 3 days from $516.

What is the cheapest month to fly from Greensboro to Ontario?

February can be a great time to fly to Ontario from Greensboro with a flight ticket averaging about $387. Cheapflights users have found deals in the month of February for as cheap as $248. The most expensive prices can be found in the month of December.

Most accurate provider : When it comes to deals on Greensboro-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greensboro-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Greensboro-Ontario flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Greensboro-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 Greensboro-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Greensboro to Ontario that include hotel bookings?

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

How can I find direct flights from Greensboro to Ontario?

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

Can I find deals for business class flights from Greensboro to Ontario?

Yes. Cheapflights offers flight deals from Greensboro 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.

$185+ Flights from Greensboro to Ontario

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Find cheap flights from Greensboro to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Greensboro to Ontario

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$309 (American Airlines)
One-way from	$185 (Delta)
Popular in	February
Cheapest in	January
Average price	$434

Provider with most accurate pricing for Greensboro/H. Point-Ontario flight deals.

Search Deals

Provider most trusted by Cheapflights users for Greensboro/H. Point-Ontario flights.

Search Deals

From Greensboro/H. Point to Ontario

Search Deals

One-way flight from Greensboro/H. Point to Ontario

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($120 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 10% potential price decrease ($47 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Greensboro to Ontario

Cheapest flights from Greensboro to Ontario
Explore the most affordable flight options available from Greensboro to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

Fri 4/255:30 pmGSO - ONT

1 stop9h 20mAmerican Airlines

Sat 5/310:40 pmONT - GSO

1 stop9h 17mAmerican Airlines

Deal found 4/3

$309

Tue 9/166:37 amGSO - ONT

2 stops8h 56mUnited Airlines

Mon 9/226:36 pmONT - GSO

2 stops12h 09mUnited Airlines

Deal found 4/3

$319

Fri 9/196:50 amGSO - ONT

1 stop7h 34mDelta

Mon 9/2212:00 pmONT - GSO

1 stop6h 59mDelta

Deal found 4/3

$408

Thu 5/295:45 amGSO - ONT

2 stops13h 05mAlaska Airlines

Mon 6/26:00 amONT - GSO

2 stops12h 40mAlaska Airlines

Deal found 4/2

$749

Best flights from Greensboro to Ontario
Discover carefully curated flight deals from Greensboro to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2025.

Fri 4/255:30 pmGSO - ONT

1 stop9h 20mAmerican Airlines

Sat 5/310:40 pmONT - GSO

1 stop9h 17mAmerican Airlines

Deal found 4/3

$309

Tue 9/166:37 amGSO - ONT

2 stops8h 56mUnited Airlines

Mon 9/226:36 pmONT - GSO

2 stops12h 09mUnited Airlines

Deal found 4/3

$319

Fri 9/196:50 amGSO - ONT

1 stop7h 34mDelta

Mon 9/2212:00 pmONT - GSO

1 stop6h 59mDelta

Deal found 4/3

$408

Thu 5/295:45 amGSO - ONT

2 stops13h 05mAlaska Airlines

Mon 6/26:00 amONT - GSO

2 stops12h 40mAlaska Airlines

Deal found 4/2

$749

Last-minute flights from Greensboro to Ontario
Discover last-minute flight deals from Greensboro to Ontario. Data last updated April 4, 2025 and is based on user searches.

Thu 4/105:27 amGSO - ONT

1 stop9h 02mDelta

Mon 4/147:00 amONT - GSO

1 stop6h 43mDelta

Deal found 4/3

$459

Thu 4/105:15 amGSO - ONT

2 stops9h 44mAmerican Airlines

Mon 4/1411:59 pmONT - GSO

2 stops9h 27mAmerican Airlines

Deal found 4/3

$469

Fri 4/255:30 pmGSO - ONT

1 stop9h 20mAmerican Airlines

Sat 5/310:40 pmONT - GSO

1 stop9h 17mAmerican Airlines

Deal found 4/3

$309

Fri 4/256:15 amGSO - ONT

2 stops11h 35mUnited Airlines

Sat 5/36:08 amONT - GSO

2 stops12h 09mUnited Airlines

Deal found 4/3

$349

Thu 5/295:45 amGSO - ONT

2 stops13h 05mAlaska Airlines

Mon 6/26:00 amONT - GSO

2 stops12h 40mAlaska Airlines

Deal found 4/2

$749

One-way flights from Greensboro to Ontario
Search for one-way flight options from Greensboro to Ontario. Find affordable one-way fares based on user searches. Data last updated April 4, 2025.

Fri 7/186:55 pmGSO - ONT

1 stop6h 34mDelta

Deal found 4/3

$185

Fri 7/1810:34 amGSO - ONT

2 stops14h 37mUnited Airlines

Deal found 4/3

$405

Cheapflights Fare Finder

Use the filters below to find and compare flights from Greensboro to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GreensboroOntario

GSO - ONT

GSOONT

Greensboro/H. Point

Fri 4/25

5:30 pm-11:50 pm

1 stop9h 20m

Ontario

Sat 5/3

10:40 pm-10:57 am

1 stop9h 17m

$309

GreensboroOntario

GSO - ONT

GSOONT

Greensboro/H. Point

Fri 4/25

6:15 am-2:50 pm

2 stops11h 35m

Ontario

Sat 5/3

6:08 am-9:17 pm

2 stops12h 09m

$349

GreensboroOntario

GSO - ONT

GSOONT

Greensboro/H. Point

Thu 4/10

5:27 am-11:29 am

1 stop9h 02m

Ontario

Mon 4/14

7:00 am-4:43 pm

1 stop6h 43m

$459

GreensboroOntario

GSO - ONT

GSOONT

Greensboro/H. Point

Thu 5/29

5:45 am-3:50 pm

2 stops13h 05m

Ontario

Mon 6/2

6:00 am-9:40 pm

2 stops12h 40m

$749

GreensboroOntario

GSO - ONT

GSOONT

Greensboro/H. Point

Mon 6/9

10:33 am-9:04 pm

2 stops13h 31m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Compare providers for flights from Greensboro to Ontario

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Greensboro to Ontario in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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 Greensboro-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greensboro-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Greensboro-Ontario flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Greensboro-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 Greensboro-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 Greensboro to Ontario

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

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

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

It’s typically best to fly out from Greensboro to Ontario in the evening. Doing so could potentially save you 21% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Ontario 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

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

Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Greensboro to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,835 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines

8.0

Very good

9,835 reviews

Alaska Airlines

8.0

Very good

9,835 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Delta

8.0

Very good

7,897 reviews

Alaska Airlines

8.0

Very good

9,835 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

United Airlines

7.4

Good

8,619 reviews

Alaska Airlines

8.0

Very good

9,835 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,835 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

What are the cheapest airlines flying from Greensboro to Ontario round-trip?
According to our current data, American Airlines ($309), United Airlines ($319), and Delta ($408) offers the cheapest pricing from Greensboro to Ontario. American Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Greensboro to Ontario that include hotel bookings?
Yes. In addition to deals on Greensboro to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Greensboro to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greensboro to Ontario.
Can I find deals for business class flights from Greensboro to Ontario?
Yes. Cheapflights offers flight deals from Greensboro 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 Greensboro to Ontario?
Currently, August is the cheapest month in which you can book a flight from Greensboro to Ontario (average of $246). Flying from Greensboro 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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Other flights to Ontario

Top 2 airlines flying from Greensboro to Ontario

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$268	Average$456	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$296	Average$415	FlexibilityNo cancel fee	On-timeN/A

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$185+ Cheap flights from Greensboro to Ontario (GSO - 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Greensboro to Ontario with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Greensboro to Ontario

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Greensboro to Ontario

Cheapest flights from Greensboro to OntarioExplore the most affordable flight options available from Greensboro to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

Explore the most affordable flight options available from Greensboro to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Greensboro to Ontario that are best for you.

Compare providers for flights from Greensboro 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 Greensboro to Ontario in April.

Best time to book a flight from Greensboro to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Greensboro with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Greensboro to Ontario

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

What is the cheapest time of day to fly from GSO to ONT?

Find hourly flight availability from Greensboro 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 April 4, 2025.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

Reviews of airlines servicing Ontario

Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Greensboro to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Greensboro 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 Greensboro to Ontario round-trip?

Can I find deals for flights from Greensboro to Ontario that include hotel bookings?

How can I find direct flights from Greensboro to Ontario?

Can I find deals for business class flights from Greensboro to Ontario?

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

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.

Alternative routes for Greensboro to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Greensboro to Ontario

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Cheapest flights from Greensboro to Ontario
Explore the most affordable flight options available from Greensboro to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.