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

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 6h 42m.

What is the cheapest airline that flies from Ontario to Lexington Blue Grass?

United Airlines, American Airlines, and Delta are the most popular carriers operating from Ontario to Lexington Blue Grass

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

Dallas (DFW) has the shortest average layover time for this route: 1h 23m.

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

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Lexington?

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Lexington from Ontario according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Lexington. Keep in mind that there are 7 different airlines that fly to Lexington on a routine basis, so you have a few additional options to choose from.

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

Flights via Dallas (DFW) offer the lowest average round-trip price of $496.

When did momondo last update prices for flights from Ontario Airport to Lexington Blue Grass Airport?

Prices for flights from Ontario Airport to Lexington Blue Grass Airport are updated daily.

How many operators does momondo search for flights from Ontario Airport to Lexington Blue Grass Airport?

As of August 2025, there are 2 operators available to choose from for flights from Ontario Airport to Lexington Blue Grass Airport.

How old do you have to be to fly from Ontario Airport to Lexington Blue Grass Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Lexington Blue Grass Airport.

What documentation or ID do you need to fly to Lexington Blue Grass Airport?

The necessary travel and health documents for your Lexington Blue Grass Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$160 Cheap Flights from Ontario to Lexington in 2025

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Find the cheapest flights from Ontario to Lexington

Round-trip

One-way

Last minute

Cheap round-trip flights

12:46 pm - 9:56 pmONT-LEX

6h 10m1 stop

7:03 pm - 11:57 pmLEX-ONT

7h 54m1 stop

$289American Airlines

Find Deal

Wed, Nov 19 - Sun, Nov 23

9:59 am - 9:56 pmONT-LEX

8h 57m2 stops

7:03 pm - 11:57 pmLEX-ONT

7h 54m1 stop

$294American Airlines

Find Deal

Wed, Nov 19 - Sun, Nov 23

10:00 pm - 9:21 amONT-LEX

8h 21m1 stop

5:56 pm - 10:23 pmLEX-ONT

7h 27m1 stop

$314Delta

Find Deal

Sun, Sep 14 - Sun, Sep 21

10:00 pm - 9:44 amONT-LEX

8h 44m2 stops

5:56 pm - 10:23 pmLEX-ONT

7h 27m1 stop

$319Delta

Find Deal

Sun, Sep 14 - Sun, Sep 21

11:55 am - 11:47 pmONT-LEX

8h 52m1 stop

10:24 am - 7:15 pmLEX-ONT

11h 51m2 stops

$349Delta

Find Deal

Fri, Sep 12 - Tue, Sep 16

12:47 pm - 12:26 amONT-LEX

8h 39m1 stop

7:27 am - 11:55 amLEX-ONT

7h 28m1 stop

$378American Airlines

Find Deal

Sat, Sep 20 - Sat, Sep 27

7:00 am - 4:55 pmONT-LEX

6h 55m1 stop

5:50 pm - 10:26 pmLEX-ONT

7h 36m1 stop

$379United Airlines

Find Deal

Thu, Feb 5 - Mon, Feb 9

1:10 pm - 12:26 amONT-LEX

8h 16m2 stops

7:27 am - 11:55 amLEX-ONT

7h 28m1 stop

$383American Airlines

Find Deal

Sat, Sep 20 - Sat, Sep 27

1:15 pm - 10:16 pmONT-LEX

6h 01m1 stop

1:59 pm - 9:25 pmLEX-ONT

10h 26m2 stops

$418United Airlines

Find Deal

Sun, Aug 31 - Thu, Sep 4

7:00 am - 5:07 pmONT-LEX

7h 07m1 stop

5:48 pm - 10:30 pmLEX-ONT

7h 42m1 stop

$429United Airlines

Find Deal

Tue, Sep 9 - Mon, Sep 22

Delta flights from Ontario to Lexington

Our best Delta deals on Ontario to Lexington flight tickets

Delta

Sep 14

ONT10:00 pmOntario

8h 21m

1 stop

LEX9:21 amLexington Blue Grass

Sep 21

LEX5:56 pmLexington Blue Grass

7h 27m

1 stop

ONT10:23 pmOntario

$314

Find similar

Delta

Sep 14

ONT10:00 pmOntario

8h 44m

2 stops

LEX9:44 amLexington Blue Grass

Sep 21

LEX5:56 pmLexington Blue Grass

7h 27m

1 stop

ONT10:23 pmOntario

$319

Find similar

Delta

Sep 12

ONT11:55 amOntario

8h 52m

1 stop

LEX11:47 pmLexington Blue Grass

Sep 16

LEX10:24 amLexington Blue Grass

11h 51m

2 stops

ONT7:15 pmOntario

$349

Find similar

United Airlines flights from Ontario to Lexington

Our best United Airlines deals on Ontario to Lexington flight tickets

United Airlines

Feb 5

ONT7:00 amOntario

6h 55m

1 stop

LEX4:55 pmLexington Blue Grass

Feb 9

LEX5:50 pmLexington Blue Grass

7h 36m

1 stop

ONT10:26 pmOntario

$379

Find similar

United Airlines

Aug 31

ONT1:15 pmOntario

6h 01m

1 stop

LEX10:16 pmLexington Blue Grass

Sep 4

LEX1:59 pmLexington Blue Grass

10h 26m

2 stops

ONT9:25 pmOntario

$418

Find similar

United Airlines

Sep 9

ONT7:00 amOntario

7h 07m

1 stop

LEX5:07 pmLexington Blue Grass

Sep 22

LEX5:48 pmLexington Blue Grass

7h 42m

1 stop

ONT10:30 pmOntario

$429

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Wed 11/19

12:46 pm-9:56 pm

1 stop6h 10m

Lexington Blue Grass

Sun 11/23

7:03 pm-11:57 pm

1 stop7h 54m

$289

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Wed 11/19

9:59 am-9:56 pm

2 stops8h 57m

Lexington Blue Grass

Sun 11/23

7:03 pm-11:57 pm

1 stop7h 54m

$294

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Sun 9/14

10:00 pm-9:21 am

1 stop8h 21m

Lexington Blue Grass

Sun 9/21

5:56 pm-10:23 pm

1 stop7h 27m

$314

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Sun 9/14

10:00 pm-9:44 am

2 stops8h 44m

Lexington Blue Grass

Sun 9/21

5:56 pm-10:23 pm

1 stop7h 27m

$319

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Fri 9/12

11:55 am-11:47 pm

1 stop8h 52m

Lexington Blue Grass

Tue 9/16

10:24 am-7:15 pm

2 stops11h 51m

$349

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Sat 9/20

12:47 pm-12:26 am

1 stop8h 39m

Lexington Blue Grass

Sat 9/27

7:27 am-11:55 am

1 stop7h 28m

$378

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Thu 2/5

7:00 am-4:55 pm

1 stop6h 55m

Lexington Blue Grass

Mon 2/9

5:50 pm-10:26 pm

1 stop7h 36m

$379

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Sat 9/20

1:10 pm-12:26 am

2 stops8h 16m

Lexington Blue Grass

Sat 9/27

7:27 am-11:55 am

1 stop7h 28m

$383

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Sun 8/31

1:15 pm-10:16 pm

1 stop6h 01m

Lexington Blue Grass

Thu 9/4

1:59 pm-9:25 pm

2 stops10h 26m

$418

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Tue 9/9

7:00 am-5:07 pm

1 stop7h 07m

Lexington Blue Grass

Mon 9/22

5:48 pm-10:30 pm

1 stop7h 42m

$429

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Ontario to Lexington

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 Lexington?

In general, February is the cheapest month to fly from Ontario to Lexington. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $313. If you are unable to visit Lexington during the month of February, then departing from Ontario during the month January is also very affordable. Most momondo users find prices during this month for around $343.

What is the cheapest day to depart on your flight to Lexington?

On average, the least expensive day to fly to Lexington from Ontario is on a Thursday. momondo users have found tickets for Thursday departures for as low as $388. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $456.

What is the cheapest time of day to depart on your flight to Lexington?

The cheapest time of day to fly to Lexington is in the evening when flights can be purchased for as low as $382. Try not to purchase tickets in the afternoon because they tend to be around $526. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Ontario to Lexington flights?

You could potentially save up to 22% on your flight if you consider stops on a Ontario to Lexington flight.

When to book flights from Ontario to Lexington

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

Estimated round-trip price

Cheap Ontario to Lexington (ONT to LEX) flight deals and tips

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

Best Price Found	$160
Fastest flight time	5h 55m
Direct flights	None
Airports in Lexington	1 airport

The best one-way flight to Lexington from Ontario in the past 72 hours is $160. The best round-trip flight deal from Ontario to Lexington found on momondo in the last 72 hours is $289.

The fastest flight from Ontario to Lexington takes 5h 55m

There are no direct flights from Ontario to Lexington. Popular non-direct route for this connection is Ontario Airport - Lexington Blue Grass Airport.

There is 1 airport near Lexington: Lexington Blue Grass (LEX)

Search flight deals

How far is Ontario to Lexington Blue Grass by plane?
There are 1860.7 mi between Ontario and Lexington Blue Grass. 5h 55m is a normal flight duration for this route.
When did momondo last update prices for flights from Ontario Airport to Lexington Blue Grass Airport?
Prices for flights from Ontario Airport to Lexington Blue Grass Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Lexington Blue Grass Airport?
As of August 2025, there are 2 operators available to choose from for flights from Ontario Airport to Lexington Blue Grass Airport.
How old do you have to be to fly from Ontario Airport to Lexington Blue Grass Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Lexington Blue Grass Airport.
What documentation or ID do you need to fly to Lexington Blue Grass Airport?
The necessary travel and health documents for your Lexington Blue Grass Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Lexington?
Based on momondo bookings for flights between Ontario and Lexington, the leading airline is American Airlines, making up 51% of the total bookings. Other popular airlines include Delta with 49%.

Best airlines flying from Ontario to Lexington

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $248	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights
Delta	PriceFrom $288	Free Cancellation	Rating 8.0 7,986 reviews		Search Delta flights

Richmond

Somerset

Georgetown

Danville

Frankfort

Winchester

Berea

Carlisle

Versailles

Midway

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Lexington from Ontario.

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

All flight searches from Ontario to Lexington on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Lexington from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Ontario to Lexington 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 Lexington trip

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Cheap flights from Ontario to Lexington from $160

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Lexington departing on 11/27. 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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Delta flights from Ontario to Lexington

Our best Delta deals on Ontario to Lexington flight tickets

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Our best United Airlines deals on Ontario to Lexington flight tickets

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

See travel insights to Lexington from

How to get the cheapest flight ticket from Ontario to Lexington

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

What is the cheapest month to fly to Lexington?

What is the cheapest day to depart on your flight to Lexington?

What is the cheapest time of day to depart on your flight to Lexington?

The cheapest time of day to fly to Lexington is in the evening when flights can be purchased for as low as $382. Try not to purchase tickets in the afternoon because they tend to be around $526. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Ontario to Lexington flights?

You could potentially save up to 22% on your flight if you consider stops on a Ontario to Lexington flight.

What is the cheapest airline that flies from Ontario to Lexington Blue Grass?

United Airlines, American Airlines, and Delta are the most popular carriers operating from Ontario to Lexington Blue Grass

What airlines fly to Lexington?

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

Dallas (DFW) 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 Ontario to Lexington?

Flights via Dallas (DFW) offer the lowest average round-trip price of $496.

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

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 6h 42m.

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

Dallas (DFW) has the shortest average layover time for this route: 1h 23m.

When to book flights from Ontario to Lexington

Cheap Ontario to Lexington (ONT to LEX) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Lexington

How far is Ontario to Lexington Blue Grass by plane?

When did momondo last update prices for flights from Ontario Airport to Lexington Blue Grass Airport?

How many operators does momondo search for flights from Ontario Airport to Lexington Blue Grass Airport?

How old do you have to be to fly from Ontario Airport to Lexington Blue Grass Airport?

What documentation or ID do you need to fly to Lexington Blue Grass Airport?

What is the most popular airline from Ontario to Lexington?

Best airlines flying from Ontario to Lexington

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

Traveling to a place near Lexington?

Why use momondo?

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

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

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

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

An easier way to manage your Lexington 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 Kentucky