Which airports can I use when flying from Ontario to Lexington?

Flights from Ontario to Lexington usually depart from Ontario (ONT) and arrive at Lexington Blue Grass (LEX).

What cabin classes can I book on flights from Ontario to Lexington?

Only Economy Class is available on flights from Ontario to Lexington.

Which airports do connecting flights from Ontario to Lexington pass through?

One-stop flights from Ontario to Lexington most commonly connect through: • Atlanta Hartsfield-Jackson (ATL) - 45% of one-stop connections • Dallas/Fort Worth (DFW) - 42% of one-stop connections • Denver Intl (DEN) - 8% of one-stop connections • Chicago O'Hare Intl (ORD) - 3% of one-stop connections

Can I save money by using flexible dates for flights from Ontario to Lexington?

Yes. Flexible dates can save you up to 55% on flights from Ontario to Lexington. Friday is the cheapest departure day at $393 round-trip on average, while Sunday is the most expensive at $860, a difference of $467. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from Ontario to Lexington?

A nonstop flight from Ontario to Lexington takes 00m, covering 1,852 miles.

Do I need a passport to fly from Ontario to Lexington?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Ontario to Lexington changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $379 to $2,698. That means the highest observed fare was about 7x higher than the lowest one.

How are flight prices from Ontario to Lexington looking right now?

One-way fares from Ontario to Lexington are currently lower than usual. Average one-way flight prices are about $275, which is 28% below the typical average for this route.

How much time can I save by choosing a different layover airport from Ontario to Lexington?

Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 6h 19m, compared with 7h 14m via Dallas/Fort Worth (DFW) and 7h 45m via Atlanta Hartsfield-Jackson (ATL).

What is the time difference between Ontario and Lexington?

Lexington is 3 hours ahead of Ontario (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Lexington Blue Grass Airport (LEX)?

Lexington Blue Grass Airport (LEX) hosts 5 major car rental companies, with daily rates averaging $81 for economy cars. Top options include: • Dollar • Hertz • Alamo • Budget • Enterprise Rent-A-Car

How much should I expect to pay for a Ontario to Lexington flight?

Round-trip flights from Ontario to Lexington range from $393 to $569, with an average of $492 over the past 12 months. Anything below $393 counts as a good deal.

How much is a round-trip flight from Ontario to Lexington?

Round-trip flights from Ontario to Lexington typically range from $393 to $569. The lowest price found in the past 5 days was $379, on American Airlines.

What's the cheapest day of the week to fly from Ontario to Lexington?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Ontario to Lexington. It’s 21% cheaper than the average day, while Sunday is the most expensive, with prices 74% higher.

Which airline is the cheapest to fly from Ontario to Lexington?

American Airlines ($379) and Delta ($379) are the cheapest airlines to fly round-trip from Ontario to Lexington according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Ontario to Lexington?

Atlanta Hartsfield-Jackson (ATL) is the most popular layover for the Ontario to Lexington route. 45% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via ATL.

What is the cheapest layover airport when flying from Ontario to Lexington?

Flights via Charlotte Douglas (CLT) offer the most affordable fares, with an average round-trip price of $394. Based on KAYAK data over the past 3 months.

When flying from Ontario to Lexington which airport offers the shortest layover?

Denver Intl (DEN) had the shortest average connection time for Ontario to Lexington layovers at 3h 33m over the past 3 months.

$188 CHEAP FLIGHTS from Ontario to Lexington (ONT - LEX)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$379

Typical prices: $393-$569

American Airlines

Sun 12/2Fri 12/7

ONT - LEX • 1 stop

Cheapest one-way

$114

Typical prices: $298-$628

Multiple Airlines

Fri 1/19

ONT - LEX • 3 stops

Nonstop flights

Not available

There are currently no direct flights between Ontario and Lexington. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

October

Cheapest • 23% price drop

July

Most popular

Good to know

Top layover airports

Charlotte Douglas (CLT)

Cheapest • Avg $394 (round-trip)

Denver Intl (DEN)

Shortest trip • 6h 19m (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 Lexington!

Flight Deals

Cheap Flights from Ontario to Lexington (ONT-LEX)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Lexington

Wed, Dec 2 - Mon, Dec 7

10:30 pm - 8:47 amONT Ontario-LEX Lexington Blue Grass

7h 17m1 stop Charlotte Douglas

5:03 pm - 10:07 pmLEX Lexington Blue Grass-ONT Ontario

8h 04m1 stop Charlotte Douglas

$379American Airlines

Mon, Feb 22 - Mon, Mar 1

10:40 pm - 9:59 amONT Ontario-LEX Lexington Blue Grass

8h 19m1 stop Charlotte Douglas

1:25 pm - 6:42 pmLEX Lexington Blue Grass-ONT Ontario

8h 17m1 stop Dallas/Fort Worth

$379American Airlines

Fri, Feb 19 - Tue, Mar 2

7:00 am - 6:54 pmONT Ontario-LEX Lexington Blue Grass

8h 54m1 stop Atlanta Hartsfield-Jackson

3:45 pm - 10:14 pmLEX Lexington Blue Grass-ONT Ontario

9h 29m1 stop Atlanta Hartsfield-Jackson

$379Delta

Tue, Feb 23 - Wed, Mar 3

12:00 pm - 9:21 pmONT Ontario-LEX Lexington Blue Grass

6h 21m1 stop Atlanta Hartsfield-Jackson

6:00 am - 11:27 amLEX Lexington Blue Grass-ONT Ontario

8h 27m1 stop Atlanta Hartsfield-Jackson

$379Delta

Fri, Feb 19 - Wed, Mar 3

7:00 am - 6:54 pmONT Ontario-LEX Lexington Blue Grass

8h 54m1 stop Atlanta Hartsfield-Jackson

6:00 am - 11:27 amLEX Lexington Blue Grass-ONT Ontario

8h 27m1 stop Atlanta Hartsfield-Jackson

$379Delta

Mon, Feb 22 - Mon, Mar 1

7:26 pm - 11:05 amONT Ontario-LEX Lexington Blue Grass

12h 39m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

1:25 pm - 6:42 pmLEX Lexington Blue Grass-ONT Ontario

8h 17m1 stop Dallas/Fort Worth

$384American Airlines

Thu, Nov 12 - Sat, Nov 14

1:29 pm - 10:36 pmONT Ontario-LEX Lexington Blue Grass

6h 07m1 stop Denver Intl

1:50 pm - 6:47 pmLEX Lexington Blue Grass-ONT Ontario

7h 57m1 stop Chicago O'Hare Intl

$449United Airlines

Thu, Nov 12 - Sat, Nov 14

6:37 pm - 10:13 amONT Ontario-LEX Lexington Blue Grass

12h 36m2 stops San Francisco Chicago O'Hare Intl

1:50 pm - 6:47 pmLEX Lexington Blue Grass-ONT Ontario

7h 57m1 stop Chicago O'Hare Intl

$454United Airlines

Thu, Dec 17 - Sun, Dec 20

6:00 am - 11:46 pmONT Ontario-LEX Lexington Blue Grass

14h 46m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

11:17 am - 11:59 pmLEX Lexington Blue Grass-ONT Ontario

15h 42m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

$834Alaska Airlines

Wed, Dec 9 - Fri, Dec 11

6:00 am - 11:51 pmONT Ontario-LEX Lexington Blue Grass

14h 51m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

11:10 am - 10:59 pmLEX Lexington Blue Grass-ONT Ontario

14h 49m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

$907Alaska Airlines

Recent last minute flight deals from Ontario to Lexington

Sat, Oct 31 - Tue, Nov 3

12:16 pm - 10:53 pmONT Ontario-LEX Lexington Blue Grass

7h 37m1 stop Atlanta Hartsfield-Jackson

7:10 am - 11:06 amLEX Lexington Blue Grass-ONT Ontario

6h 56m1 stop Atlanta Hartsfield-Jackson

$485Delta

Sat, Oct 31 - Wed, Nov 4

12:16 pm - 10:53 pmONT Ontario-LEX Lexington Blue Grass

7h 37m1 stop Atlanta Hartsfield-Jackson

3:34 pm - 7:30 pmLEX Lexington Blue Grass-ONT Ontario

6h 56m1 stop Atlanta Hartsfield-Jackson

$485Delta

Thu, Nov 5 - Sun, Nov 8

11:59 pm - 11:38 amONT Ontario-LEX Lexington Blue Grass

8h 39m1 stop Dallas/Fort Worth

7:54 pm - 11:46 pmLEX Lexington Blue Grass-ONT Ontario

6h 52m1 stop Dallas/Fort Worth

$494American Airlines

Thu, Nov 5 - Sun, Nov 8

10:30 pm - 8:43 amONT Ontario-LEX Lexington Blue Grass

7h 13m1 stop Charlotte Douglas

5:59 pm - 11:01 pmLEX Lexington Blue Grass-ONT Ontario

8h 02m1 stop Charlotte Douglas

$494American Airlines

Thu, Nov 5 - Sun, Nov 8

7:00 am - 7:16 pmONT Ontario-LEX Lexington Blue Grass

9h 16m1 stop Dallas/Fort Worth

5:00 am - 12:42 pmLEX Lexington Blue Grass-ONT Ontario

10h 42m2 stops Charlotte Douglas Phoenix Sky Harbor Intl

$499American Airlines

Thu, Nov 5 - Sun, Nov 8

7:00 am - 7:16 pmONT Ontario-LEX Lexington Blue Grass

9h 16m1 stop Dallas/Fort Worth

5:00 am - 12:42 pmLEX Lexington Blue Grass-ONT Ontario

10h 42m2 stops Charlotte Douglas Phoenix Sky Harbor Intl

$499American Airlines

Thu, Nov 5 - Sat, Nov 7

1:29 pm - 10:36 pmONT Ontario-LEX Lexington Blue Grass

6h 07m1 stop Denver Intl

9:00 am - 12:33 pmLEX Lexington Blue Grass-ONT Ontario

6h 33m1 stop Denver Intl

$632United Airlines

Thu, Nov 5 - Sun, Nov 8

1:29 pm - 10:36 pmONT Ontario-LEX Lexington Blue Grass

6h 07m1 stop Denver Intl

9:00 am - 12:33 pmLEX Lexington Blue Grass-ONT Ontario

6h 33m1 stop Denver Intl

$659United Airlines

Thu, Nov 5 - Sun, Nov 8

1:29 pm - 10:36 pmONT Ontario-LEX Lexington Blue Grass

6h 07m1 stop Denver Intl

9:00 am - 12:33 pmLEX Lexington Blue Grass-ONT Ontario

6h 33m1 stop Denver Intl

$725United Airlines

Sat, Oct 31 - Mon, Nov 2

6:02 am - 12:09 amONT Ontario-LEX Lexington Blue Grass

15h 07m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

5:14 am - 3:13 pmLEX Lexington Blue Grass-ONT Ontario

12h 59m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

$970Alaska Airlines

Booking Insights

Price, demand and travel trends for Ontario to Lexington flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Ontario to Lexington? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Ontario to Lexington departing in december.
What's the cheapest day of the week to fly from Ontario to Lexington?: Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Ontario to Lexington. It’s 21% cheaper than the average day, while Sunday is the most expensive, with prices 74% higher.

Find deals

Low season	October
High season	July
Cheapest flight	$114

Beat the crowds with an average 44% drop in travelers.

The most popular month to fly with an average 43% increase in travelers.

One-way flight from Ontario to Lexington

When to book flights from Ontario to Lexington

Are your dates flexible? Find out the best times to travel from Ontario to Lexington 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.

What cabin classes can I book on flights from Ontario to Lexington?
Only Economy Class is available on flights from Ontario to Lexington.
How long is a flight from Ontario to Lexington?
A nonstop flight from Ontario to Lexington takes 00m, covering 1,852 miles.
Do I need a passport to fly from Ontario to Lexington?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a Ontario to Lexington flight?
Round-trip flights from Ontario to Lexington range from $393 to $569, with an average of $492 over the past 12 months. Anything below $393 counts as a good deal.
Have flight prices from Ontario to Lexington changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $379 to $2,698. That means the highest observed fare was about 7x higher than the lowest one.
How are flight prices from Ontario to Lexington looking right now?
One-way fares from Ontario to Lexington are currently lower than usual. Average one-way flight prices are about $275, which is 28% below the typical average for this route.
What car rental options are available at Lexington Blue Grass Airport (LEX)?
Lexington Blue Grass Airport (LEX) hosts 5 major car rental companies, with daily rates averaging $81 for economy cars. Top options include:

• Dollar
• Hertz
• Alamo
• Budget
• Enterprise Rent-A-Car
Which airports can I use when flying from Ontario to Lexington?
Flights from Ontario to Lexington usually depart from Ontario (ONT) and arrive at Lexington Blue Grass (LEX).
Which airports do connecting flights from Ontario to Lexington pass through?
One-stop flights from Ontario to Lexington most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 45% of one-stop connections
• Dallas/Fort Worth (DFW) - 42% of one-stop connections
• Denver Intl (DEN) - 8% of one-stop connections
• Chicago O'Hare Intl (ORD) - 3% of one-stop connections
Can I save money by using flexible dates for flights from Ontario to Lexington?
Yes. Flexible dates can save you up to 55% on flights from Ontario to Lexington. Friday is the cheapest departure day at $393 round-trip on average, while Sunday is the most expensive at $860, a difference of $467.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from Ontario to Lexington?
Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 6h 19m, compared with 7h 14m via Dallas/Fort Worth (DFW) and 7h 45m via Atlanta Hartsfield-Jackson (ATL).
What is the time difference between Ontario and Lexington?
Lexington is 3 hours ahead of Ontario (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Friday departure and avoid flying on Sunday. On this route, Friday flights average $393, about $467 less than Sunday fares (54% savings) based on the last 12 months.
If you can choose when to travel, plan your Ontario to Lexington trip for October. Fares historically average $378 round-trip in that month - typically $290 less than the most expensive month, which is July (based on the last 12 months).

More options for your flight from Ontario to Lexington

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ONT - LEX

$188 Find Cheap Flights from Ontario to Lexington - Compare and Save

Everything you should know

Cheap Flights from Ontario to Lexington (ONT-LEX)

Recent round-trip flight deals from Ontario to Lexington

Recent one-way flight deals from Ontario to Lexington

Recent last minute flight deals from Ontario to Lexington

Price, demand and travel trends for Ontario to Lexington flights

How much is a round-trip flight from Ontario to Lexington?

What's the cheapest day of the week to fly from Ontario to Lexington?

Which airline is the cheapest to fly from Ontario to Lexington?

What’s the most popular layover airport when flying from Ontario to Lexington?

What is the cheapest layover airport when flying from Ontario to Lexington?

When flying from Ontario to Lexington which airport offers the shortest layover?

Key details for Ontario to Lexington flights

Low season

High season

Cheapest flight

When to book flights from Ontario to Lexington

Your Ontario to Lexington flight questions, answered

Your guide to booking Ontario to Lexington flights

More options for your flight from Ontario to Lexington

Complete your trip to Lexington with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Lexington

Find direct flights to and from Ontario and Lexington

Flights from domestic origins to Lexington

Flights to other popular destinations

Find deals for your return flight