Which airport is the most popular layover for flights between Greensboro and Ontario?

Atlanta (ATL) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Greensboro to Ontario?

Flights via Charlotte (CLT) offer the lowest average round-trip price of $438.

What airlines fly to Ontario?

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Ontario from Greensboro according to our data. American Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 8 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Greensboro to Ontario?

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 7h 40m.

What is the cheapest airline that flies from Greensboro/H. Point to Ontario?

Delta, American Airlines, and United Airlines are the most popular carriers operating from Greensboro/H. Point to Ontario

Which layover airport has the shortest connection time from Greensboro to Ontario?

Charlotte (CLT) has the shortest average layover time for this route: 1h 18m.

When did momondo last update prices for flights from Greensboro/H. Point Airport to Ontario Airport?

Prices for flights from Greensboro/H. Point Airport to Ontario Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Greensboro/H. Point Airport to Ontario Airport?

As of September 2026, there are 2 operators available to choose from for flights from Greensboro/H. Point Airport to Ontario Airport.

How old do you have to be to fly from Greensboro/H. Point Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Greensboro/H. Point Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$294 Cheap Flights from Greensboro to Ontario in 2026

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11:40 am - 8:15 pmGSO Greensboro/H. Point-ONT Ontario

11h 35m2 stops Chicago O'Hare Intl San Francisco

7:00 am - 5:02 pmONT Ontario-GSO Greensboro/H. Point

7h 02m1 stop Chicago O'Hare Intl

$404United Airlines

Wed, Nov 11 - Sat, Nov 14

11:40 am - 8:15 pmGSO Greensboro/H. Point-ONT Ontario

11h 35m2 stops Chicago O'Hare Intl San Francisco

9:25 am - 11:59 pmONT Ontario-GSO Greensboro/H. Point

11h 34m2 stops San Francisco Newark

$409United Airlines

Wed, Nov 11 - Sat, Nov 14

4:35 pm - 11:46 pmGSO Greensboro/H. Point-ONT Ontario

10h 11m1 stop Dallas/Fort Worth

10:10 pm - 10:44 amONT Ontario-GSO Greensboro/H. Point

9h 34m1 stop Charlotte Douglas

$439American Airlines

Wed, Dec 9 - Wed, Dec 23

3:42 pm - 10:12 pmGSO Greensboro/H. Point-ONT Ontario

9h 30m1 stop Charlotte Douglas

6:00 am - 5:19 pmONT Ontario-GSO Greensboro/H. Point

8h 19m1 stop Dallas/Fort Worth

$439American Airlines

Wed, Nov 11 - Sat, Nov 14

7:00 am - 11:08 amGSO Greensboro/H. Point-ONT Ontario

7h 08m1 stop Atlanta Hartsfield-Jackson

12:20 pm - 11:59 pmONT Ontario-GSO Greensboro/H. Point

8h 39m1 stop Atlanta Hartsfield-Jackson

$439Delta

Wed, Nov 25 - Wed, Dec 9

7:00 am - 11:08 amGSO Greensboro/H. Point-ONT Ontario

7h 08m1 stop Atlanta Hartsfield-Jackson

12:20 pm - 11:59 pmONT Ontario-GSO Greensboro/H. Point

8h 39m1 stop Atlanta Hartsfield-Jackson

$439Delta

Wed, Nov 25 - Tue, Dec 8

6:13 pm - 11:52 pmGSO Greensboro/H. Point-ONT Ontario

8h 39m1 stop Dallas/Fort Worth

12:43 pm - 10:30 pmONT Ontario-GSO Greensboro/H. Point

6h 47m1 stop Dallas/Fort Worth

$439American Airlines

Wed, Oct 14 - Sat, Oct 17

7:00 am - 11:08 amGSO Greensboro/H. Point-ONT Ontario

7h 08m1 stop Atlanta Hartsfield-Jackson

12:20 pm - 11:59 pmONT Ontario-GSO Greensboro/H. Point

8h 39m1 stop Atlanta Hartsfield-Jackson

$439Delta

Wed, Nov 25 - Sat, Dec 5

6:00 am - 5:56 pmGSO Greensboro/H. Point-ONT Ontario

14h 56m2 stops Washington, D.C. Dulles Intl San Francisco

7:00 am - 5:02 pmONT Ontario-GSO Greensboro/H. Point

7h 02m1 stop Chicago O'Hare Intl

$449United Airlines

Thu, Nov 12 - Sat, Nov 14

3:00 pm - 10:48 pmGSO Greensboro/H. Point-ONT Ontario

10h 48m2 stops Washington, D.C. Dulles Intl San Francisco

9:25 am - 11:44 pmONT Ontario-GSO Greensboro/H. Point

11h 19m2 stops San Francisco Washington, D.C. Dulles Intl

$455United Airlines

Thu, Nov 12 - Sat, Nov 14

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American Airlines flights from Greensboro to Ontario

Our best American Airlines deals on Greensboro to Ontario flight tickets

American Airlines

Nov 18

GSO7:00 amGreensboro/H. Point

7h 52m

1 stop

ONT11:52 amOntario

Dec 2

ONT10:30 pmOntario

7h 00m

1 stop

GSO8:30 amGreensboro/H. Point

$439

American Airlines

Oct 10

GSO6:31 pmGreensboro/H. Point

7h 28m

1 stop

ONT10:59 pmOntario

Oct 17

ONT7:00 amOntario

7h 23m

1 stop

GSO5:23 pmGreensboro/H. Point

$440

American Airlines

Dec 16

GSO7:00 amGreensboro/H. Point

9h 31m

1 stop

ONT1:31 pmOntario

Jan 6

ONT7:00 amOntario

6h 42m

1 stop

GSO4:42 pmGreensboro/H. Point

$488

Delta flights from Greensboro to Ontario

Our best Delta deals on Greensboro to Ontario flight tickets

Delta

Jan 12

GSO7:00 amGreensboro/H. Point

7h 27m

1 stop

ONT11:27 amOntario

Jan 19

ONT7:00 amOntario

9h 14m

1 stop

GSO7:14 pmGreensboro/H. Point

$459

Delta

Oct 14

GSO7:00 amGreensboro/H. Point

7h 06m

1 stop

ONT11:06 amOntario

Oct 17

ONT7:07 amOntario

7h 47m

1 stop

GSO5:54 pmGreensboro/H. Point

$469

Delta

Jan 14

GSO7:00 amGreensboro/H. Point

7h 27m

1 stop

ONT11:27 amOntario

Jan 20

ONT12:00 pmOntario

8h 54m

1 stop

GSO11:54 pmGreensboro/H. Point

$512

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Wed 11/11

11:40 am-8:15 pm

2 stops11h 35m

Ontario

Sat 11/14

7:00 am-5:02 pm

1 stop7h 02m

$404

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Wed 11/11

11:40 am-8:15 pm

2 stops11h 35m

Ontario

Sat 11/14

9:25 am-11:59 pm

2 stops11h 34m

$409

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Wed 12/9

4:35 pm-11:46 pm

1 stop10h 11m

Ontario

Wed 12/23

10:10 pm-10:44 am

1 stop9h 34m

$439

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Wed 11/11

3:42 pm-10:12 pm

1 stop9h 30m

Ontario

Sat 11/14

6:00 am-5:19 pm

1 stop8h 19m

$439

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Wed 11/25

7:00 am-11:08 am

1 stop7h 08m

Ontario

Wed 12/9

12:20 pm-11:59 pm

1 stop8h 39m

$439

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Wed 11/25

7:00 am-11:08 am

1 stop7h 08m

Ontario

Tue 12/8

12:20 pm-11:59 pm

1 stop8h 39m

$439

Quickest round-trip

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Wed 10/14

6:13 pm-11:52 pm

1 stop8h 39m

Ontario

Sat 10/17

12:43 pm-10:30 pm

1 stop6h 47m

$439

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Wed 11/25

7:00 am-11:08 am

1 stop7h 08m

Ontario

Sat 12/5

12:20 pm-11:59 pm

1 stop8h 39m

$439

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Thu 11/12

6:00 am-5:56 pm

2 stops14h 56m

Ontario

Sat 11/14

7:00 am-5:02 pm

1 stop7h 02m

$449

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Thu 11/12

3:00 pm-10:48 pm

2 stops10h 48m

Ontario

Sat 11/14

9:25 am-11:44 pm

2 stops11h 19m

$455

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Greensboro to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Ontario?

In general, March is the cheapest month to fly from Greensboro to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $348. If you aren’t able to travel during the month of March, then book flights to Ontario from Greensboro during April instead. Flights to Ontario in April, while not as cheap as those in March, still average around $358.

When to book flights from Greensboro to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Greensboro to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Greensboro to Ontario (GSO to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Greensboro to Ontario

Best Price Found	$294
Fastest flight time	7h 00m
Direct flights	None

The best one-way flight to Ontario from Greensboro in the past 72 hours is $294. The best round-trip flight deal from Greensboro to Ontario found on momondo in the last 72 hours is $404.

The fastest flight from Greensboro to Ontario takes 7h 00m

There are no direct flights from Greensboro to Ontario. There are no popular flight routes from Greensboro to Ontario.

Search flight deals

Frequently asked questions about flying from Greensboro to Ontario

How far is Greensboro/H. Point to Ontario by plane?
The distance between Greensboro/H. Point and Ontario is about 2130.5 mi. Typically, this will take 7h 00m by plane in normal conditions.
When did momondo last update prices for flights from Greensboro/H. Point Airport to Ontario Airport?
Prices for flights from Greensboro/H. Point Airport to Ontario Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Greensboro/H. Point Airport to Ontario Airport?
As of September 2026, there are 2 operators available to choose from for flights from Greensboro/H. Point Airport to Ontario Airport.
How old do you have to be to fly from Greensboro/H. Point Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Greensboro/H. Point Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Greensboro to Ontario?
momondo data reveals that the most frequently booked airline on the route from Greensboro to Ontario is American Airlines, representing 66% of all bookings. The subsequent popular airline is Delta at 34%.

Best airlines flying from Greensboro to Ontario

Compare and see reviews for airlines that fly from Greensboro to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $338	Free Cancellation	Rating 7.8 8,554 reviews		Search Delta flights
American Airlines	PriceFrom $384	Free Cancellation	Rating 7.1 12,045 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Greensboro to Ontario?

Finding the right flight to Ontario from Greensboro is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

Can I find flights from Greensboro to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Greensboro with this policy.

How can momondo help me find flights from Greensboro to Ontario?

Once all potential Greensboro to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Greensboro to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Greensboro to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Greensboro to Los Angeles from $294

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Greensboro to Los Angeles departing on 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Greensboro to Ontario

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How to get the cheapest flight ticket from Greensboro to Ontario

What is the cheapest month to fly to Ontario?

What is the cheapest airline that flies from Greensboro/H. Point to Ontario?

What airlines fly to Ontario?

Which airport is the most popular layover for flights between Greensboro and Ontario?

Which layover airport offers the lowest fares from Greensboro to Ontario?

Which layover airport has the shortest travel time from Greensboro to Ontario?

Which layover airport has the shortest connection time from Greensboro to Ontario?

When to book flights from Greensboro to Ontario

Cheap Greensboro to Ontario (GSO to ONT) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Greensboro to Ontario

Best airlines flying from Greensboro to Ontario

Compare and see reviews for airlines that fly from Greensboro to Ontario with momondo

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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Fly your favorite airline to Los Angeles

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List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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