LEX - ONT

$255 Find Cheap Flights from Lexington to Ontario

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Lexington to Ontario departing on 4/12. 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 Lexington 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 Lexington to Ontario, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$255
Typical prices: $496-$374
Multiple Airlines
Sun 4/12Thu 4/16
LEX - ONT • 1 stop
Cheapest one-way
$277
Multiple Airlines
Wed 6/10
LEX - ONT • 3 stops
Top airlines
Cheapest • from $330 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Lexington and Ontario. You'll need at least 1 connection.
Insights
Insights
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Top layover airports
Cheapest • Avg $402 (round-trip)
Shortest trip • 6h 47m (one-way)
Insights
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Ontario!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Lexington to Ontario (LEX-ONT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Lexington 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 Lexington to Ontario

Sun, Apr 12 - Thu, Apr 16
Multiple Airlines Logo
10:19 pm - 8:04 am
LEX
-
ONT
12h 45m
1 stop
Multiple Airlines Logo
11:47 am - 9:29 pm
ONT
-
LEX
6h 42m
1 stop
$255Multiple Airlines
Sat, May 2 - Sat, May 9
American Airlines Logo
2:15 pm - 6:37 pm
LEX
-
ONT
7h 22m
1 stop
American Airlines Logo
7:30 am - 6:06 pm
ONT
-
LEX
7h 36m
1 stop
$330American Airlines
Sat, Apr 11 - Wed, Apr 15
Multiple Airlines Logo
10:52 am - 8:04 am
LEX
-
ONT
24h 12m
2 stops
Multiple Airlines Logo
7:44 pm - 9:29 pm
ONT
-
LEX
22h 45m
1 stop
$345Multiple Airlines
Sat, Apr 18 - Sat, Apr 25
Delta Logo
6:00 am - 11:36 am
LEX
-
ONT
8h 36m
1 stop
Delta Logo
10:15 pm - 9:35 am
ONT
-
LEX
8h 20m
1 stop
$369Delta
Thu, Jul 2 - Thu, Jul 9
Delta Logo
7:35 am - 4:42 pm
LEX
-
ONT
12h 07m
2 stops
Delta Logo
5:16 pm - 10:09 am
ONT
-
LEX
13h 53m
2 stops
$379Delta
Sun, Apr 12 - Wed, Apr 15
Multiple Airlines Logo
10:19 pm - 8:07 pm
LEX
-
ONT
24h 48m
1 stop
Multiple Airlines Logo
12:59 am - 9:29 pm
ONT
-
LEX
17h 30m
2 stops
$388Multiple Airlines
Wed, Jul 22 - Mon, Jul 27
Delta Logo
3:27 pm - 9:44 pm
LEX
-
ONT
9h 17m
1 stop
Delta Logo
10:00 pm - 9:24 am
ONT
-
LEX
8h 24m
1 stop
$405Delta
Mon, Jul 20 - Mon, Jul 27
Delta Logo
5:56 pm - 9:44 pm
LEX
-
ONT
6h 48m
1 stop
Delta Logo
10:00 pm - 9:24 am
ONT
-
LEX
8h 24m
1 stop
$424Delta
Sat, Apr 11 - Sat, Apr 18
Delta Logo
6:00 am - 11:47 am
LEX
-
ONT
8h 47m
1 stop
Delta Logo
10:15 pm - 9:35 am
ONT
-
LEX
8h 20m
1 stop
$427Delta
Thu, Jul 2 - Thu, Jul 9
Delta Logo
5:56 pm - 9:48 pm
LEX
-
ONT
6h 52m
1 stop
Delta Logo
5:16 pm - 10:09 am
ONT
-
LEX
13h 53m
2 stops
$429Delta
Booking Insights

KAYAK's insights & trends for Lexington to Ontario flights

Get data-powered insights and trends into flights from Lexington 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 Lexington to 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 Lexington to Ontario departing in April.

Good to know

Low seasonOctober
Cheapest flight$255
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly and prices are also 15% lower on average.
Flight from Lexington to Ontario

When to book flights from Lexington to Ontario

Are your dates flexible? Find out the best times to travel from Lexington to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Lexington to Ontario

  • What is the cheapest flight from Lexington to Ontario?

    In the last 3 days, the lowest price for a flight from Lexington to Ontario was $277 for a one-way ticket and $255 for a round-trip.

  • Do I need a passport to fly between Lexington and Ontario?

    A passport is not required to fly from Lexington to Ontario.

  • Which aircraft models fly most regularly from Lexington to Ontario?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Lexington to Ontario?

    SkyTeam, and oneworld are the airline alliances operating flights between Lexington and Ontario, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Lexington to Ontario, Delta or American Airlines?

    The two airlines most popular with KAYAK users for flights from Lexington to Ontario are Delta and American Airlines. With an average price for the route of $344 and an overall rating of 7.9, Delta is the most popular choice. American Airlines is also a great choice for the route, with an average price of $482 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Lexington 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 Lexington to Ontario.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Lexington 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 Lexington 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 to Ontario with an airline and back to Lexington with another airline. Booking your flights between Lexington and ONT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Lexington 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 to Ontario from Lexington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Lexington to Ontario

 
See real verified KAYAK customer reviews for airlines flying from Lexington 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 Lexington 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 8358 reviews
7.9Comfort
7.8Entertainment
7.2Food
8.5Crew
8.1Boarding
Airline reviews

Arlene was a great flight attendant. I also liked how one of the other flight attendants gave us a heads up about snacks and asked everyone to remove their headphones when it was their turn to order. Good idea.

10.0 ExcellentAnonymous, Mar 2026
SAT - LAX
Read more Delta reviews

Arlene was a great flight attendant. I also liked how one of the other flight attendants gave us a heads up about snacks and asked everyone to remove their headphones when it was their turn to order. Good idea.

I haven’t flown economy in over 20 years but it was not bad. Room by my feet for my bag and seat was roomy enough. Surprised in a good way.

The cabin temperature was nice and cool. The wifi was not working.

As previously noted, this flight was great: departure was timely, the crew was friendly and attentive, and wifi connectivity was seamless. In particular, I appreciated that the flight attendant just told me to stow the laptop right before takeoff/landing, and trusted me to do so (which I did!).

Left a few minutes early. Got in 15 minutes early. Very attentive service on board. Very organized boarding.

There’s not much to say about a one hour flight. This is a connection from LA to RNO that I missed the previous night due to a mechanical check delay on my originating flight from JFK to LAX. The short flight itself was fine. Instructions from the pilot and crew were per usual. The coffee was barely lukewarm, which possibly was purposeful so we would down it quickly. Bags were already on carousel upon reaching baggage claim, which was excellent.

Delta continues to set the benchmark for traveler-friendly service with minimal disruption and clear communication within the mainland US (coast to coast). I am consistently pleased to be a Delta customer, and this experience once again met my expectations. There was a brief delay departing from MIA due to a technical issue that required the aircraft to return to the gate. However, the situation was handled professionally and transparently. Fortunately, my planned layover allowed ample buffer time, so the adjustment caused no stress. Overall, another smooth and reassuring experience.

Awesome! On time flight, early arrival, and a complimentary upgrade!

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

They double booked seats, the gate staff changed my ticket as I was boarding she went over to the computer and changed it without telling me. She messed up an entire three row section for me and others. Other travelers were outraged but the gate staff were so rude, so condescending saying it wasn't their problem to solve. I would rate this a zero if I could. Will not fly Delta again I'll stick with United and American.

Delayed for mechanical and no updates on what was happening and how long the delay might be.

A first class seat should fit a fat person, and this doesn't. The trays in the armrest are less functional than an ordinary tray in the back of the seat.

The experience at checkin for my American Airlines flight from Sacramento to LAX was very good including the assistance I received in getting my bags checked in and boarding passes printed. Was pleasantly surprised the my bags were checked through all the way to my destination at Clark International Airport in Angeles, Philippines.

Smooth flight. From the early boarding and all were on board before departure time and arrived early in ONT. Great crew. Thank you!!!!

The flight was significantly delayed for 6.5 hours because of snow. There was no communication once the plane returned to the gate regarding when the flight would resume. Other flights were departing while our flight was being unloaded for reasons unknown. Our flight also seemed out of the queue regarding further deicing, refueling, and waiting to Taxi to the runway.

They are always late and seats was also not having working charger

did not have enough meal for first class passengers so offer us snack

Amazing I love American. I’ll never fly anyone else if I can help it.

Everything about the flight was lovely. My only suggestion would be to offer a few more options of tv series from Apple TV or HBO.

After the door had been closed, the cockpit makes an announcement that catering is running late and it is not the airline's fault. It is their fault in the sense that we had to sit for 2 hours or more when we could have stayed in the terminal. Poor communications between catering and airline. This caused a young man to lose his temper and he went storming out hitting objects. He had complained to the gate agent that he had already waited at the gate 7 hours and when can the airplane leave? Airilnes do a poor job of explaining delays, maintenance issues, etc. whereas being truthful may gain more sympathy or understanding.

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

Information on your arrival and departure airports