$123 Find Cheap Flights from Greensboro to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Greensboro to Ontario departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Greensboro to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Greensboro to Ontario, as well as popular online travel agencies
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Flight Deals

Book Cheap Greensboro to Ontario Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Greensboro to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Greensboro to Ontario

Wed, Mar 4 - Sat, Mar 7
United Airlines Logo
11:30 am - 4:30 pm
GSO
-
YOW
5h 00m
1 stop
United Airlines Logo
2:15 pm - 7:00 pm
YOW
-
GSO
4h 45m
1 stop
$355United Airlines
Wed, Mar 4 - Sat, Mar 7
United Airlines Logo
8:00 am - 5:07 pm
GSO
-
YOW
9h 07m
1 stop
United Airlines Logo
2:15 pm - 7:00 pm
YOW
-
GSO
4h 45m
1 stop
$381United Airlines
Wed, Apr 22 - Sat, Apr 25
American Airlines Logo
7:45 am - 5:43 pm
GSO
-
YYZ
9h 58m
1 stop
American Airlines Logo
11:33 am - 10:29 pm
YYZ
-
GSO
10h 56m
1 stop
$439American Airlines
Wed, Mar 4 - Sat, Mar 7
Air Canada Logo
8:00 am - 5:41 pm
GSO
-
YOW
9h 41m
2 stops
Air Canada Logo
2:15 pm - 7:00 pm
YOW
-
GSO
4h 45m
1 stop
$439Air Canada
Wed, Mar 4 - Wed, Mar 11
American Airlines Logo
10:52 am - 9:37 pm
GSO
-
YYZ
10h 45m
1 stop
American Airlines Logo
1:55 pm - 10:47 pm
YYZ
-
GSO
8h 52m
1 stop
$440American Airlines
Sun, Mar 1 - Sat, Mar 7
United Airlines Logo
7:40 pm - 11:54 pm
GSO
-
YOW
4h 14m
1 stop
United Airlines Logo
2:15 pm - 7:00 pm
YOW
-
GSO
4h 45m
1 stop
$447United Airlines
Wed, Mar 4 - Sat, Mar 7
Air Canada Logo
6:00 am - 2:07 pm
GSO
-
YOW
8h 07m
2 stops
Air Canada Logo
10:20 am - 8:46 pm
YOW
-
GSO
10h 26m
2 stops
$453Air Canada
Fri, Feb 27 - Mon, Mar 2
Multiple Airlines Logo
10:01 pm - 7:34 pm
GSO
-
YYZ
21h 33m
2 stops
Multiple Airlines Logo
7:10 am - 4:02 pm
YYZ
-
GSO
8h 52m
1 stop
$477Multiple Airlines
Fri, Feb 27 - Wed, Mar 4
Delta Logo
11:21 am - 6:35 pm
GSO
-
YUL
7h 14m
1 stop
Delta Logo
9:29 am - 5:45 pm
YUL
-
GSO
8h 16m
1 stop
$487Delta
Fri, Feb 27 - Wed, Mar 4
Delta Logo
11:21 am - 6:35 pm
GSO
-
YUL
7h 14m
1 stop
Delta Logo
9:29 am - 11:14 pm
YUL
-
GSO
13h 45m
2 stops
$497Delta
Booking Insights

KAYAK's insights & trends for Greensboro to Ontario flights

Get data-powered insights and trends into flights from Greensboro to Ontario to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Greensboro to Region of Ontario?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Greensboro to Region of Ontario departing in April.

Good to know

Low seasonSeptember
Cheapest flight$123
Best time to beat the crowds with an average 65% drop in price.
Most popular time to fly and prices are also 33% lower on average.
Flight from Greensboro to Toronto

FAQs - booking Ontario flights

  • How does KAYAK find such low prices on flights from Greensboro to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Greensboro to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Greensboro to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Greensboro to Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Greensboro to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Greensboro to Ontario with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Greensboro to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Greensboro to Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from Greensboro to Ontario

 
See real verified KAYAK customer reviews for airlines flying from Greensboro to Ontario. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Greensboro to Ontario? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8179 reviews
7.9Comfort
8.1Boarding
7.8Entertainment
7.2Food
8.5Crew
Airline reviews

Was forced to check in my small carry on, even though I informed the crew it has very fragile items inside

2.0 MediocreJaspreet, Feb 2026
SEA - SMF
Read more Delta reviews

Was forced to check in my small carry on, even though I informed the crew it has very fragile items inside

This was one of the worst flights I’ve been on in years. I upgraded to comfort and had such an uncomfortable experience. The person next to me was oversized - which I understand - however, they took up their space and mine. I could only use about 50% of my seat space to not be physically touching this person the entire flight and there was no spatial awareness. I also could not use the seat outlet because their body was obstructing it. It was very inconvenient. Their body kept touching me repeatedly during the flight and I felt very uncomfortable. To pay more for an upgraded space and then not even being able to use it was highly disappointing.

No wheel chair as requested at Atlanta arrival on first flight.

Only freetext wifi was available in flight; browsing WiFi required payment. Since the seats had no in flight entertainment, Delta should revisit this policy on this longer flight.

Only water, tea or coffee served midflight, even to comfort seating. Man next to me needed two seats and took up a portion of my seat and Delta did nothing.

The flight was great as well as the airline staff

First class and monitors weren’t working for mine & my husbands. Eventually fixed, but quite annoyed as we bought first class. Also, No foot rests.

Prior to takeoff, the pilot told us there was a possibility of not being able to land and going to Portland. Well that happened, we took off and then did 8 loops around Spokane before the pilot told us we ran out of fuel and had to go to Portland. So for a 35 minute flight we have now been on the plane for 3 hours (boarded at 6:50 am and landed in Portland at 10:30). Then, we just sat in Portland's airport with no updates of when we can start heading back. All of a sudden, our pilots and crew just left, leaving us stranded in a different city and state. We continued to sit in Portland until we finally got a new crew assigned and boarded the plane (This was from 10:30-2). We then sat on the plane for an additional hour before take off because they had to count us multiple times. We finally landed in Spokane at 3:55 PM. So a flight that should have taken at max an hour took us 10 hours and we missed the majority of the recruiting event we went for.

It was delayed but other than that it was great.

Got on the plane and sat there for an hour before departure.

Wifi took a while to kick in and we had a maintenance issue that took over 40 mins at the gate in Washington before pulling back

Bad food, bad service, cold cabin with no additional blankets when asked for (they told me they don’t provide additional blankets). I’m a frequent traveler and this is one of the worst companies I traveled with (by the way I thought that I booked my ticket with Lufthansa but I didn’t see that the flights were handled by United).

Hotter than Hades in August. Why, why do crews think that in the winter when we are already dressed for cold weather we need a cabin that is 82 degrees. Even the vents were blowing hot air.

Not United Airlines' fault. It's ORL airport's fault.

United overall experience is great these days. Airport experience was very organized. Staff on flight were great. App and information as good as it gets.

Very nice flight love the small aircraft. We had a wonderful flight attendant. Nice to see someone that really enjoys her job. Don't have her name but had a southern accent.

Seats in waiting area and on plane hard as rock. Fast internet on the flight was great! Crew was kind.

Not the fault of United—weather, reroute around weather, time sitting on tarmac, arrived couple hours late, too late for train into city necessitating a much pricier cab but weather…can’t be helped.

Flight was good but there are way to many announcements for credit cards etc.

Flight is clean and ontime. Crew is friendly. Snack can be better and the internet connection is poor

Flight was smooth, quick and felt safe. The 2 delays not happening would have been better but I guess that happens in the airline industry

2 hour delay due to equipment failure. No updates via the app and airport screens (which continued to show a departure time in the past). AA eventually switched planes and the new plane was not catered or cleaned correctly.

Could we please end the loud announcements about credit card offers on your flights? We are trying to sleep, work, watch videos, etc. and if we need a credit card, we will ask for one. Flying is already not what it used to be.

Bags took over and hour to come out. Delays due to wind caused rebooking.

Lower WiFi prices; allow us to see our flight on a map; more variety of drink choices.

Flight was on time is the only good thing. Person loading the plane called 1-6 to board at the same time, made it chaotic. Plane was too small for even putting backpacks in overhead. Seat for normal sized people were too small. The WIFI didn't work. When we landed had to wait because not enough ground crew.

Did not understand a single word the attendant said on the pa system. I was glad it was not an emergency.

Flight was late and boarding was confusing because gate changed and I didn’t get a notification

Awful. They won’t help me with anything. I booked on American but they abdicated to Iberia. The ticket was overpriced. Everything negative

Waaay too small plane. They also need to up the size of the overhead bins. I would love to keep me 3k with of camera equipment in my hard case baggahe instead of it being thrown into the belly of the plane

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

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