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

Our cheapest airline available from Ontario to Greensboro is Delta. Our recent data shows that you can find tickets from as low as $303 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $403 and $537 round-trip. Delta is 33% cheaper than the average price of flights available within the next 90 days to this destination.

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

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $194. However, be on the lookout for offers from United Airlines and Alaska Airlines, as they are both options that can get you from Ontario to Greensboro for a low price.

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

Travelers seeking maximum savings on their Ontario to Greensboro flight should consider departing on Saturday evenings when fares are most often at their lowest. Thursday evenings 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 Ontario to Greensboro?

Travelers have found that booking a Tuesday departure is the best way to save up to 39% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

To save on the cost of your flight from Ontario to Greensboro, book at least 49 days before your planned departure. Booking around this time can save you about 69% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $463 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $498.

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

August is one of the best times of the year to fly to Greensboro from Ontario. Prices for August average $451 per person but you can even find prices for as low as $275. The most expensive prices can be found in the month of December. Opting for a August flight can save you 44% on your journey compared to booking in December

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

Unlike in the morning, when flights are generally more expensive, you can save up to 8% on flights from Ontario to Greensboro by exploring options for tickets at noon.

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

Most trusted provider : When it comes to deals on Ontario-Greensboro 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 Ontario-Greensboro 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 Ontario to Greensboro that include hotel bookings?

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

How can I find direct flights from Ontario to Greensboro?

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

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

Yes. Cheapflights offers flight deals from Ontario to Greensboro by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$194+ Flights from Ontario to Greensboro

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Find cheap flights from Ontario to Greensboro 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.

Cheapflights Tip: The best prices from Ontario to Greensboro/H. Point are usually found in November or February, booked 27 days in advance, depart on a Wednesday or Saturday and return on a Thursday

Cheap flight deals from Ontario to Greensboro

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$303 (Delta)
One-way from	$194 (Delta)
Popular in	December
Cheapest in	November
Average price	$532

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

Search Deals

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

Search Deals

From Ontario to Greensboro/H. Point

Search Deals

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

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Find flight deals from Ontario to Greensboro

Cheapest flights from Ontario to Greensboro
Explore the most affordable flight options available from Ontario to Greensboro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Sat 10/410:59 pmONT - GSO

1 stop9h 23mDelta

Tue 10/142:15 pmGSO - ONT

1 stop8h 27mDelta

Deal found 4/30

$309

Tue 10/78:04 pmONT - GSO

2 stops9h 10mAmerican Airlines

Sat 10/117:05 amGSO - ONT

1 stop9h 31mAmerican Airlines

Deal found 4/30

$314

Sat 5/311:33 pmONT - GSO

1 stop6h 24mUnited Airlines

Tue 6/35:32 pmGSO - ONT

1 stop7h 54mUnited Airlines

Deal found 4/30

$403

Sat 5/36:00 amONT - GSO

2 stops12h 40mAlaska Airlines

Mon 5/55:45 amGSO - ONT

2 stops12h 47mAlaska Airlines

Deal found 4/29

$643

Best flights from Ontario to Greensboro
Discover carefully curated flight deals from Ontario to Greensboro that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Sat 5/3112:18 pmONT - GSO

1 stop7h 13mDelta

Mon 6/24:59 pmGSO - ONT

1 stop8h 30mDelta

Deal found 4/29

$303

Sat 5/311:33 pmONT - GSO

1 stop6h 24mUnited Airlines

Tue 6/35:32 pmGSO - ONT

1 stop7h 54mUnited Airlines

Deal found 4/30

$403

Fri 10/1012:51 pmONT - GSO

1 stop6h 14mAmerican Airlines

Mon 10/135:51 pmGSO - ONT

1 stop7h 09mAmerican Airlines

Deal found 4/28

$537

Fri 5/307:20 pmONT - GSO

2 stops12h 49mAlaska Airlines

Sun 6/16:25 amGSO - ONT

2 stops12h 25mAlaska Airlines

Deal found 4/29

$659

Last-minute flights from Ontario to Greensboro
Discover last-minute flight deals from Ontario to Greensboro. Data last updated May 1, 2025 and is based on user searches.

Sat 5/36:00 amONT - GSO

2 stops12h 40mAlaska Airlines

Mon 5/51:12 pmGSO - ONT

2 stops13h 47mAlaska Airlines

Deal found 4/29

$643

Wed 5/712:18 pmONT - GSO

1 stop7h 13mDelta

Mon 5/125:30 amGSO - ONT

1 stop8h 38mDelta

Deal found 4/29

$414

Wed 5/77:30 amONT - GSO

2 stops8h 31mAmerican Airlines

Mon 5/124:18 pmGSO - ONT

2 stops8h 39mAmerican Airlines

Deal found 4/30

$469

Sat 5/101:20 pmONT - GSO

1 stop6h 35mUnited Airlines

Wed 5/1410:15 amGSO - ONT

2 stops13h 19mUnited Airlines

Deal found 4/29

$519

Sat 5/3112:18 pmONT - GSO

1 stop7h 13mDelta

Mon 6/24:59 pmGSO - ONT

1 stop8h 30mDelta

Deal found 4/29

$303

Sat 5/311:33 pmONT - GSO

1 stop6h 24mUnited Airlines

Tue 6/35:32 pmGSO - ONT

1 stop7h 54mUnited Airlines

Deal found 4/30

$403

One-way flights from Ontario to Greensboro
Search for one-way flight options from Ontario to Greensboro. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Tue 6/1711:49 amONT - GSO

1 stop6h 39mDelta

Deal found 4/29

$194

Wed 6/116:00 amONT - GSO

2 stops14h 44mUnited Airlines

Deal found 4/29

$249

Tue 6/107:20 pmONT - GSO

2 stops13h 31mAlaska Airlines

Deal found 4/29

$284

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Sat 5/31

12:18 pm-10:31 pm

1 stop7h 13m

Greensboro/H. Point

Mon 6/2

4:59 pm-10:29 pm

1 stop8h 30m

$303

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Sat 5/31

1:33 pm-10:57 pm

1 stop6h 24m

Greensboro/H. Point

Tue 6/3

5:32 pm-10:26 pm

1 stop7h 54m

$403

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Fri 10/10

12:51 pm-10:05 pm

1 stop6h 14m

Greensboro/H. Point

Mon 10/13

5:51 pm-10:00 pm

1 stop7h 09m

$537

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Fri 5/30

7:20 pm-11:09 am

2 stops12h 49m

Greensboro/H. Point

Sun 6/1

6:25 am-3:50 pm

2 stops12h 25m

$659

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Tue 6/17

11:49 am-9:28 pm

1 stop6h 39m

$194

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Wed 6/11

6:00 am-11:44 pm

2 stops14h 44m

$249

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Tue 6/10

7:20 pm-11:51 am

2 stops13h 31m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Compare providers for flights from Ontario to Greensboro

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

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	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 Ontario-Greensboro flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Greensboro flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Greensboro flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Greensboro 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 Ontario-Greensboro 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 Ontario to Greensboro

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

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

Booking 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Greensboro. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Ontario to Greensboro (average of $306). Flying from Ontario to Greensboro in October is currently the most expensive (average of $366). 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.

Rainfall in Greensboro by month

In terms of precipitation, rainfall in Greensboro ranges from 3.0 - 4.5 inches per month. July is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit Greensboro when rainfall is around 3.0 in.

Temperature in Greensboro by month

If weather is an important factor for your trip to Greensboro, use this chart to help with planning. For those seeking warmer temperatures, July 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 January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Greensboro

To help decide which airline to fly from Ontario to Greensboro, see what other customers have to say about Alaska Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

9,972 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,934 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What are the cheapest airlines flying from Ontario to Greensboro round-trip?
Our cheapest airline available from Ontario to Greensboro is Delta. Our recent data shows that you can find tickets from as low as $303 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $403 and $537 round-trip. Delta is 33% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Ontario to Greensboro one-way?
The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $194. However, be on the lookout for offers from United Airlines and Alaska Airlines, as they are both options that can get you from Ontario to Greensboro for a low price.
Can I find deals for flights from Ontario to Greensboro that include hotel bookings?
Yes. In addition to deals on Ontario to Greensboro flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Greensboro?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Greensboro.
Can I find deals for business class flights from Ontario to Greensboro?
Yes. Cheapflights offers flight deals from Ontario to Greensboro 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 Ontario to Greensboro?
Currently, August is the cheapest month in which you can book a flight from Ontario to Greensboro (average of $306). Flying from Ontario to Greensboro in October is currently the most expensive (average of $366). 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

Eden

Kernersville

High Point

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Ontario to Greensboro

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$305	Average$422	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$308	Average$441	FlexibilityNo cancel fee	On-time71%

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$194+ Cheap flights from Ontario to Greensboro (ONT - GSO)

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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Greensboro with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Ontario to Greensboro/H. Point are usually found in November or February, booked 27 days in advance, depart on a Wednesday or Saturday and return on a Thursday

Cheap flight deals from Ontario to Greensboro

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Greensboro

Cheapest flights from Ontario to GreensboroExplore the most affordable flight options available from Ontario to Greensboro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Ontario to Greensboro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Ontario to Greensboro

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 Ontario to Greensboro in May.

Best time to book a flight from Ontario to Greensboro

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Greensboro. Price data was last updated on April 25, 2025.

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

Rainfall in Greensboro by month

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

Temperature in Greensboro by month

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

Reviews of airlines servicing Greensboro

To help decide which airline to fly from Ontario to Greensboro, see what other customers have to say about Alaska Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

How can I find direct flights from Ontario to Greensboro?

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

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

Traveling to a place near Ontario?

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Alternative routes for Ontario to Greensboro

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Top 2 airlines flying from Ontario to Greensboro

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Cheapest flights from Ontario to Greensboro
Explore the most affordable flight options available from Ontario to Greensboro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.