HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Greensboro

$212+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GSO
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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.

Cheap flight deals from Ontario to Greensboro

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Greensboro (GSO). 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 June 30, 2025.

Round-trip from

$309
(Delta)

One-way from

$212
(Delta)

Popular in

December

Cheapest in

November

Average price

$461
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. 4% potential increase in price ($22 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 June 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 June 30, 2025.

This Delta deal was found by Cheapflights users on 6/29. 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.
Wed 7/2310:05 pmONT - GSO
1 stop8h 15mDelta
Tue 7/296:35 amGSO - ONT
1 stop6h 55mDelta
Deal found 6/29$309
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Thu 8/146:17 amONT - GSO
2 stops9h 58mAmerican Airlines
Tue 8/1911:59 amGSO - ONT
2 stops9h 25mAmerican Airlines
Deal found 6/28$319
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Wed 8/277:00 amONT - GSO
1 stop6h 47mUnited Airlines
Sun 8/318:45 amGSO - ONT
1 stop6h 47mUnited Airlines
Deal found 6/29$409
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/304:00 pmONT - GSO
2 stops14h 46mAlaska Airlines
Mon 8/412:23 pmGSO - ONT
2 stops14h 36mAlaska Airlines
Deal found 6/28$593

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Greensboro 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 June 30, 2025.
Use the filters below to find and compare flights from Ontario to Greensboro that are best for you.

Fly from

Ontario

Fly to

Greensboro

Route

Depart

Return

Price

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Wed 7/23

10:05 pm-9:20 am

1 stop8h 15m

Greensboro/H. Point

Tue 7/29

6:35 am-10:30 am

1 stop6h 55m

$309

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Thu 8/14

6:17 am-7:15 pm

2 stops9h 58m

Greensboro/H. Point

Tue 8/19

11:59 am-6:24 pm

2 stops9h 25m

$319

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Wed 8/27

7:00 am-4:47 pm

1 stop6h 47m

Greensboro/H. Point

Sun 8/31

8:45 am-12:32 pm

1 stop6h 47m

$409

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Wed 7/30

4:00 pm-9:46 am

2 stops14h 46m

Greensboro/H. Point

Mon 8/4

12:23 pm-11:59 pm

2 stops14h 36m

$593

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Thu 8/7

11:40 am-9:13 pm

1 stop6h 33m

$212

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Wed 10/15

12:49 pm-10:47 pm

1 stop6h 58m

$213

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Thu 8/7

5:21 pm-12:46 pm

2 stops16h 25m

$259

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Thu 8/7

6:00 am-11:50 pm

2 stops14h 50m

$267

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Thu 8/7

7:30 am-10:54 pm

2 stops12h 24m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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

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.

Reviews of airlines servicing Greensboro

Get insights into the airlines that provide service to Greensboro. 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 Greensboro. Reviews last updated June 30, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Ontario to Greensboro by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

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
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

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
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

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
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

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

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?

    Our cheapest airline available from Ontario to Greensboro is Delta. Our recent data shows that you can find tickets from as low as $309 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $319 and $409 round-trip. Delta is 31% 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 $212. However, be on the lookout for offers from American Airlines and United 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Kernersville
High Point

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 Ontario to Greensboro

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Raleigh flights
San Francisco to Raleigh flights
Los Angeles to Charlotte flights
San Francisco to Charlotte flights
Sacramento to Charlotte flights
Ontario to Charlotte flights
Santa Ana to Myrtle Beach flights
Los Angeles to Myrtle Beach flights
Los Angeles to Knoxville flights
Ontario to Raleigh flights
Las Vegas to Raleigh flights
Burbank to Charlotte flights
Ontario to Myrtle Beach flights
Santa Ana to Charlotte flights
Burbank to Myrtle Beach flights
San Diego to Charlotte flights
San Francisco to Knoxville flights
Santa Ana to Knoxville flights
Ontario to Knoxville flights
San Francisco to Norfolk flights
Long Beach to Myrtle Beach flights
Sacramento to Raleigh flights
Los Angeles to Greensboro flights
Sacramento to Knoxville flights
Los Angeles to Wilmington flights
Oakland to Charlotte flights
San Francisco to Myrtle Beach flights
Oakland to Raleigh flights
Las Vegas to Charlotte flights
Los Angeles to Asheville flights
San Diego to Norfolk flights
San Diego to Knoxville flights
San Jose to Raleigh flights
San Jose to Charlotte flights
Los Angeles to Norfolk flights
San Francisco to Wilmington flights
San Diego to Wilmington flights
Sacramento to Asheville flights
Sacramento to Norfolk flights
Santa Ana to Raleigh flights
Las Vegas to Norfolk flights
San Jose to Knoxville flights
Ontario to Norfolk flights
San Francisco to Asheville flights
San Diego to Raleigh flights
San Jose to Norfolk flights
Burbank to Asheville flights
Burbank to Raleigh flights
Santa Ana to Norfolk flights

Top 2 airlines flying from Ontario to Greensboro

Discover the top 2 airlines that operate flights from Ontario to Greensboro. 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$308Average$414FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$435FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.