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$279+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
GSO — ONT
mar. 10 — mar. 171
lun. 3/10
lun. 3/17
1 adult, Economy
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Cheap flight deals from Greensboro to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Greensboro (GSO) 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 marzo 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$334
(American Airlines)

One-way from

$279
(Delta)

Popular in

February

Cheapest in

January

Average price

$461
Provider with most accurate pricing for Greensboro/H. Point-Ontario flight deals.
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Provider most trusted by Cheapflights users for Greensboro/H. Point-Ontario flights.
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From Greensboro/H. Point to Ontario
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One-way flight from Greensboro/H. Point to Ontario
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Highest demand for flights based on searches. 21% potential increase in price ($129 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marzo 5, 2025.

This Delta deal was found by Cheapflights users on 3/5. 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.
lun. 9/226:55 pmGSO - ONT
1 stop6h 34mDelta
dom. 9/2812:00 pmONT - GSO
1 stop7h 04mDelta
Deal found 3/5$309
This American Airlines deal was found by Cheapflights users on 3/4. 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. 4/107:00 amGSO - ONT
1 stop7h 45mAmerican Airlines
lun. 4/1410:40 pmONT - GSO
1 stop9h 17mAmerican Airlines
Deal found 3/4$334
This United Airlines deal was found by Cheapflights users on 3/5. 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.
mar. 9/238:50 amGSO - ONT
2 stops14h 27mUnited Airlines
mar. 9/307:00 amONT - GSO
2 stops12h 43mUnited Airlines
Deal found 3/5$449
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/306:20 amGSO - ONT
2 stops12h 12mAlaska Airlines
vie. 5/96:24 pmONT - GSO
2 stops13h 45mAlaska Airlines
Deal found 3/5$474

Find flights from Greensboro to Ontario within your budget

Customize your flight search to find flights from Greensboro 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 marzo 5, 2025.

Fly from

Greensboro

Fly to

Ontario

Route

Depart

Return

Price

GreensboroOntario

GSO - ONT

GSOONT

Greensboro/H. Point

jue. 4/10

7:00 am-11:45 am

1 stop7h 45m

Ontario

lun. 4/14

10:40 pm-10:57 am

1 stop9h 17m

$334

GreensboroOntario

GSO - ONT

GSOONT

Greensboro/H. Point

mar. 4/22

5:15 pm-10:36 pm

1 stop8h 21m

Ontario

vie. 4/25

10:15 pm-9:42 am

1 stop8h 27m

$369

GreensboroOntario

GSO - ONT

GSOONT

Greensboro/H. Point

mié. 4/30

6:20 am-3:32 pm

2 stops12h 12m

Ontario

vie. 5/9

6:24 pm-11:09 am

2 stops13h 45m

$474

GreensboroOntario

GSO - ONT

GSOONT

Greensboro/H. Point

vie. 4/18

6:15 am-3:17 pm

2 stops12h 02m

Ontario

vie. 4/25

4:17 pm-10:57 pm

1 stop27h 40m

$477

GreensboroOntario

GSO - ONT

GSOONT

Greensboro/H. Point

dom. 3/23

5:15 pm-10:43 pm

1 stop8h 28m

$279

GreensboroOntario

GSO - ONT

GSOONT

Greensboro/H. Point

mar. 3/11

5:56 pm-11:54 pm

1 stop8h 58m

$290

GreensboroOntario

GSO - ONT

GSOONT

Greensboro/H. Point

dom. 3/23

8:28 am-12:44 pm

1 stop7h 16m

$329

GreensboroOntario

GSO - ONT

GSOONT

Greensboro/H. Point

mar. 3/11

11:09 am-11:05 am

3 stops26h 56m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/4

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 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.

Travel insights for flights from Greensboro to Ontario

Get recent, data-driven insights about flights from Greensboro to Ontario including ideal travel times, pricing trends, and more.

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 $313). 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?

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 marzo 5, 2025.

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

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 marzo 5, 2025.
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
9,711 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

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
9,711 reviews
Alaska Airlines
8.0
Very good
9,711 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

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
8,044 reviews
Alaska Airlines
8.0
Very good
9,711 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

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
8,655 reviews
Alaska Airlines
8.0
Very good
9,711 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

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
9,711 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

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

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?

    According to our current data, American Airlines ($334), Delta ($369), and Alaska Airlines ($474) offers the cheapest pricing from Greensboro to Ontario. American Airlines is priced at 29% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Greensboro to Ontario one-way?

    One-way options have recently been found by users for as low as $279 on Delta. Other airlines that offer cheap prices include American Airlines from $290 and United Airlines from $329 one-way.

  • 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 $313). 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.

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Top 2 airlines flying from Greensboro to Ontario

Discover the top 2 airlines that operate flights from Greensboro 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 marzo 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$436FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$413FlexibilityNo cancel feeOn-timeN/A
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