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 60% 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 connection time from Greensboro to Ontario?

Atlanta (ATL) has the shortest average layover time for this route: 0h 38m.

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

Atlanta (ATL) was the most common stop: 50% 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.

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 00m.

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 October 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.

$205 Cheap Flights from Greensboro to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Greensboro to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 3:33 pmGSO Greensboro/H. Point-ONT Ontario

12h 33m2 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

$471United Airlines

Wed, Nov 18 - Wed, Nov 25

6:15 am - 12:33 pmGSO Greensboro/H. Point-ONT Ontario

9h 18m2 stops Chicago O'Hare Intl Denver Intl

6:00 am - 11:59 pmONT Ontario-GSO Greensboro/H. Point

14h 59m2 stops Houston George Bush Intcntl Newark

$471United Airlines

Tue, Nov 17 - Tue, Nov 24

4:35 pm - 11:48 pmGSO Greensboro/H. Point-ONT Ontario

10h 13m1 stop Dallas/Fort Worth

6:00 am - 4:05 pmONT Ontario-GSO Greensboro/H. Point

7h 05m1 stop Dallas/Fort Worth

$479American Airlines

Wed, Dec 16 - Wed, Jan 6

7:00 am - 1:32 pmGSO Greensboro/H. Point-ONT Ontario

9h 32m1 stop Dallas/Fort Worth

10:30 pm - 10:48 amONT Ontario-GSO Greensboro/H. Point

9h 18m1 stop Charlotte Douglas

$479American Airlines

Wed, Nov 18 - Wed, Dec 2

11:40 am - 6:47 pmGSO Greensboro/H. Point-ONT Ontario

10h 07m1 stop Chicago O'Hare Intl

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

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

$506United Airlines

Wed, Nov 18 - Wed, Nov 25

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

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

6:37 pm - 10:31 amONT Ontario-GSO Greensboro/H. Point

12h 54m2 stops San Francisco Chicago O'Hare Intl

$509United Airlines

Thu, Nov 5 - Mon, Nov 9

7:00 am - 1:32 pmGSO Greensboro/H. Point-ONT Ontario

9h 32m1 stop Dallas/Fort Worth

6:30 am - 10:19 pmONT Ontario-GSO Greensboro/H. Point

12h 49m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$529American Airlines

Wed, Nov 18 - Wed, Dec 2

5:25 am - 11:27 amGSO Greensboro/H. Point-ONT Ontario

9h 02m1 stop Atlanta Hartsfield-Jackson

12:00 pm - 9:57 pmONT Ontario-GSO Greensboro/H. Point

6h 57m1 stop Atlanta Hartsfield-Jackson

$532Delta

Wed, Jan 20 - Sun, Jan 24

5:20 am - 11:03 amGSO Greensboro/H. Point-ONT Ontario

8h 43m1 stop Atlanta Hartsfield-Jackson

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

8h 39m1 stop Atlanta Hartsfield-Jackson

$619Delta

Fri, Nov 20 - Tue, Dec 1

2:43 pm - 6:34 pmGSO Greensboro/H. Point-ONT Ontario

6h 51m1 stop Atlanta Hartsfield-Jackson

11:10 pm - 9:43 amONT Ontario-GSO Greensboro/H. Point

7h 33m1 stop Atlanta Hartsfield-Jackson

$627Delta

Thu, Nov 19 - Fri, Nov 20

Cheap last minute flights

Enter your travel dates to find the best prices.

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

8h 39m1 stop Dallas/Fort Worth

12:45 pm - 10:26 pmONT Ontario-GSO Greensboro/H. Point

6h 41m1 stop Dallas/Fort Worth

$537American Airlines

Sat, Oct 24 - Wed, Nov 25

6:00 am - 5:46 pmGSO Greensboro/H. Point-ONT Ontario

14h 46m2 stops Newark San Francisco

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

7h 02m1 stop Chicago O'Hare Intl

$552United Airlines

Sat, Oct 24 - Sat, Nov 7

5:51 pm - 10:51 pmGSO Greensboro/H. Point-ONT Ontario

8h 00m1 stop Chicago O'Hare Intl

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

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

$554United Airlines

Sat, Oct 24 - Wed, Nov 25

2:55 pm - 10:51 pmGSO Greensboro/H. Point-ONT Ontario

10h 56m2 stops Washington, D.C. Dulles Intl San Francisco

5:00 am - 9:32 pmONT Ontario-GSO Greensboro/H. Point

13h 32m2 stops Denver Intl Chicago O'Hare Intl

$558United Airlines

Sat, Oct 24 - Sat, Nov 7

6:00 am - 3:22 pmGSO Greensboro/H. Point-ONT Ontario

12h 22m2 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

$559United Airlines

Sat, Oct 24 - Wed, Nov 25

2:15 pm - 7:30 pmGSO Greensboro/H. Point-ONT Ontario

8h 15m1 stop Atlanta Hartsfield-Jackson

12:16 pm - 11:59 pmONT Ontario-GSO Greensboro/H. Point

8h 43m1 stop Atlanta Hartsfield-Jackson

$595Delta

Sat, Oct 24 - Sat, Oct 31

7:06 am - 1:30 pmGSO Greensboro/H. Point-ONT Ontario

9h 24m1 stop Dallas/Fort Worth

11:45 pm - 10:43 amONT Ontario-GSO Greensboro/H. Point

8h 58m1 stop Charlotte Douglas

$595American Airlines

Sat, Oct 24 - Sat, Oct 31

7:06 am - 1:30 pmGSO Greensboro/H. Point-ONT Ontario

9h 24m1 stop Dallas/Fort Worth

12:45 pm - 10:26 pmONT Ontario-GSO Greensboro/H. Point

6h 41m1 stop Dallas/Fort Worth

$595American Airlines

Sat, Oct 24 - Tue, Nov 24

1:47 pm - 6:44 pmGSO Greensboro/H. Point-ONT Ontario

7h 57m1 stop Dallas/Fort Worth

10:30 am - 10:23 pmONT Ontario-GSO Greensboro/H. Point

8h 53m1 stop Dallas/Fort Worth

$595American Airlines

Sat, Oct 24 - Sat, Nov 7

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

8h 39m1 stop Dallas/Fort Worth

12:45 pm - 10:26 pmONT Ontario-GSO Greensboro/H. Point

6h 41m1 stop Dallas/Fort Worth

$606American Airlines

Fri, Oct 23 - Wed, Nov 25

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from Greensboro to Ontario

Our best Delta deals on Greensboro to Ontario flight tickets

Delta

Jan 20

GSO5:25 amGreensboro/H. Point

9h 02m

1 stop

ONT11:27 amOntario

Jan 24

ONT12:00 pmOntario

6h 57m

1 stop

GSO9:57 pmGreensboro/H. Point

$532

Delta

Oct 24

GSO2:15 pmGreensboro/H. Point

8h 15m

1 stop

ONT7:30 pmOntario

Oct 31

ONT12:16 pmOntario

8h 43m

1 stop

GSO11:59 pmGreensboro/H. Point

$595

Delta

Nov 20

GSO5:20 amGreensboro/H. Point

8h 43m

1 stop

ONT11:03 amOntario

Dec 1

ONT12:20 pmOntario

8h 39m

1 stop

GSO11:59 pmGreensboro/H. Point

$619

American Airlines flights from Greensboro to Ontario

Our best American Airlines deals on Greensboro to Ontario flight tickets

American Airlines

Dec 16

GSO4:35 pmGreensboro/H. Point

10h 13m

1 stop

ONT11:48 pmOntario

Jan 6

ONT6:00 amOntario

7h 05m

1 stop

GSO4:05 pmGreensboro/H. Point

$479

American Airlines

Nov 18

GSO7:00 amGreensboro/H. Point

9h 32m

1 stop

ONT1:32 pmOntario

Dec 2

ONT6:30 amOntario

12h 49m

2 stops

GSO10:19 pmGreensboro/H. Point

$529

American Airlines

Nov 18

GSO7:00 amGreensboro/H. Point

7h 52m

1 stop

ONT11:52 amOntario

Nov 25

ONT12:45 pmOntario

6h 41m

1 stop

GSO10:26 pmGreensboro/H. Point

$537

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Wed 11/18

6:00 am-3:33 pm

2 stops12h 33m

Ontario

Wed 11/25

9:25 am-11:44 pm

2 stops11h 19m

$471

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Tue 11/17

6:15 am-12:33 pm

2 stops9h 18m

Ontario

Tue 11/24

6:00 am-11:59 pm

2 stops14h 59m

$471

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Wed 12/16

4:35 pm-11:48 pm

1 stop10h 13m

Ontario

Wed 1/6

6:00 am-4:05 pm

1 stop7h 05m

$479

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Wed 11/18

7:00 am-1:32 pm

1 stop9h 32m

Ontario

Wed 12/2

10:30 pm-10:48 am

1 stop9h 18m

$479

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Wed 11/18

11:40 am-6:47 pm

1 stop10h 07m

Ontario

Wed 11/25

9:25 am-11:44 pm

2 stops11h 19m

$506

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Thu 11/5

3:00 pm-10:48 pm

2 stops10h 48m

Ontario

Mon 11/9

6:37 pm-10:31 am

2 stops12h 54m

$509

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Wed 11/18

7:00 am-1:32 pm

1 stop9h 32m

Ontario

Wed 12/2

6:30 am-10:19 pm

2 stops12h 49m

$529

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Wed 1/20

5:25 am-11:27 am

1 stop9h 02m

Ontario

Sun 1/24

12:00 pm-9:57 pm

1 stop6h 57m

$532

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Fri 11/20

5:20 am-11:03 am

1 stop8h 43m

Ontario

Tue 12/1

12:20 pm-11:59 pm

1 stop8h 39m

$619

Quickest round-trip

GreensboroOntario

GSO Greensboro/H. Point - ONT Ontario

GSOONT

Greensboro/H. Point

Thu 11/19

2:43 pm-6:34 pm

1 stop6h 51m

Ontario

Fri 11/20

11:10 pm-9:43 am

1 stop7h 33m

$627

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 typical price of a round-trip flight between Greensboro and Ontario?

Prices are currently low for flights on this route.

Typical prices usually range from $492 to $670.
The lowest price recently found on this route was $471.

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	$205
Fastest flight time	7h 32m
Direct flights	None

The best one-way flight to Ontario from Greensboro in the past 72 hours is $205. The best round-trip flight deal from Greensboro to Ontario found on momondo in the last 72 hours is $471.

The fastest flight from Greensboro to Ontario takes 7h 32m

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 32m 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 October 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 70% of all bookings. The subsequent popular airline is Delta at 30%.

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 $348	Free Cancellation	Rating 7.8 8,661 reviews		Search Delta flights
American Airlines	PriceFrom $384	Free Cancellation	Rating 7.0 12,186 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 11/21

Sat 11/28

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Greensboro

Complete your trip

Feeling lucky

Cheap flights from Greensboro to Los Angeles from $205

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 11/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Greensboro to Los Angeles

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Delta flights from Greensboro to Ontario

Our best Delta deals on Greensboro to Ontario flight tickets

American Airlines flights from Greensboro to Ontario

Our best American Airlines deals on Greensboro to Ontario flight tickets

momondo Fare Finder

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

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Greensboro to Ontario

What is the typical price of a round-trip flight between Greensboro and 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

Airports servicing California

Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Los Angeles

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

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Greensboro

According to popular flight searches on momondo this year

Complete your trip to Los Angeles

Explore popular destinations other users love

According to popular flight searches on momondo this year