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 has the shortest connection time from Ontario to Lexington?

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

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

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

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 41% 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.

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

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

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.

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 October 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.

$247 Cheap Flights from Ontario to Lexington in 2025/26

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Find the cheapest flights from Ontario to Lexington

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11:36 am - 12:04 amONT-LEX

9h 28m1 stop

6:00 am - 10:26 amLEX-ONT

7h 26m1 stop

$289Delta

Find Deal

Sat, Oct 25 - Wed, Oct 29

11:36 am - 12:04 amONT-LEX

9h 28m1 stop

10:05 am - 9:20 pmLEX-ONT

14h 15m2 stops

$294Delta

Find Deal

Sat, Oct 25 - Wed, Oct 29

10:09 am - 12:08 amONT-LEX

10h 59m2 stops

5:29 am - 12:01 pmLEX-ONT

9h 32m2 stops

$299American Airlines

Find Deal

Sat, Oct 25 - Wed, Oct 29

10:30 pm - 8:25 amONT-LEX

6h 55m1 stop

7:10 am - 11:38 amLEX-ONT

7h 28m1 stop

$314Delta

Find Deal

Sat, Mar 7 - Tue, Mar 10

10:30 pm - 8:25 amONT-LEX

6h 55m1 stop

3:45 pm - 11:52 pmLEX-ONT

11h 07m2 stops

$344Delta

Find Deal

Sat, Mar 7 - Tue, Mar 10

10:30 pm - 8:25 amONT-LEX

6h 55m1 stop

3:45 pm - 11:52 pmLEX-ONT

11h 07m2 stops

$374Delta

Find Deal

Sat, Mar 7 - Tue, Mar 10

1:15 pm - 10:21 pmONT-LEX

6h 06m1 stop

5:45 pm - 10:31 pmLEX-ONT

7h 46m1 stop

$379United Airlines

Find Deal

Sat, Oct 25 - Sat, Nov 8

1:00 pm - 10:16 pmONT-LEX

6h 16m1 stop

11:20 am - 8:17 pmLEX-ONT

11h 57m2 stops

$384United Airlines

Find Deal

Sat, Mar 7 - Tue, Mar 10

10:34 pm - 10:47 amONT-LEX

9h 13m1 stop

6:30 am - 11:53 amLEX-ONT

8h 23m1 stop

$419American Airlines

Find Deal

Wed, Nov 19 - Sun, Nov 23

6:00 am - 11:21 pmONT-LEX

14h 21m2 stops

6:00 am - 3:17 pmLEX-ONT

12h 17m2 stops

$767Alaska Airlines

Find Deal

Sat, Oct 25 - Sat, Nov 8

Delta flights from Ontario to Lexington

Our best Delta deals on Ontario to Lexington flight tickets

Delta

Oct 25

ONT11:36 amOntario

9h 28m

1 stop

LEX12:04 amLexington Blue Grass

Oct 29

LEX6:00 amLexington Blue Grass

7h 26m

1 stop

ONT10:26 amOntario

$289

Find similar

Delta

Oct 25

ONT11:36 amOntario

9h 28m

1 stop

LEX12:04 amLexington Blue Grass

Oct 29

LEX10:05 amLexington Blue Grass

14h 15m

2 stops

ONT9:20 pmOntario

$294

Find similar

Delta

Mar 7

ONT10:30 pmOntario

6h 55m

1 stop

LEX8:25 amLexington Blue Grass

Mar 10

LEX7:10 amLexington Blue Grass

7h 28m

1 stop

ONT11:38 amOntario

$314

Find similar

United Airlines flights from Ontario to Lexington

Our best United Airlines deals on Ontario to Lexington flight tickets

United Airlines

Oct 25

ONT1:15 pmOntario

6h 06m

1 stop

LEX10:21 pmLexington Blue Grass

Nov 8

LEX5:45 pmLexington Blue Grass

7h 46m

1 stop

ONT10:31 pmOntario

$379

Find similar

United Airlines

Mar 7

ONT1:00 pmOntario

6h 16m

1 stop

LEX10:16 pmLexington Blue Grass

Mar 10

LEX11:20 amLexington Blue Grass

11h 57m

2 stops

ONT8:17 pmOntario

$384

Find similar

United Airlines

Oct 22

ONT7:02 amOntario

7h 18m

1 stop

LEX5:20 pmLexington Blue Grass

Oct 25

LEX7:05 amLexington Blue Grass

13h 35m

2 stops

ONT5:40 pmOntario

$435

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Sat 10/25

11:36 am-12:04 am

1 stop9h 28m

Lexington Blue Grass

Wed 10/29

6:00 am-10:26 am

1 stop7h 26m

$289

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Sat 10/25

11:36 am-12:04 am

1 stop9h 28m

Lexington Blue Grass

Wed 10/29

10:05 am-9:20 pm

2 stops14h 15m

$294

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Sat 10/25

10:09 am-12:08 am

2 stops10h 59m

Lexington Blue Grass

Wed 10/29

5:29 am-12:01 pm

2 stops9h 32m

$299

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Sat 3/7

10:30 pm-8:25 am

1 stop6h 55m

Lexington Blue Grass

Tue 3/10

7:10 am-11:38 am

1 stop7h 28m

$314

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Sat 3/7

10:30 pm-8:25 am

1 stop6h 55m

Lexington Blue Grass

Tue 3/10

3:45 pm-11:52 pm

2 stops11h 07m

$344

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Sat 3/7

10:30 pm-8:25 am

1 stop6h 55m

Lexington Blue Grass

Tue 3/10

3:45 pm-11:52 pm

2 stops11h 07m

$374

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Sat 10/25

1:15 pm-10:21 pm

1 stop6h 06m

Lexington Blue Grass

Sat 11/8

5:45 pm-10:31 pm

1 stop7h 46m

$379

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Sat 3/7

1:00 pm-10:16 pm

1 stop6h 16m

Lexington Blue Grass

Tue 3/10

11:20 am-8:17 pm

2 stops11h 57m

$384

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Wed 11/19

10:34 pm-10:47 am

1 stop9h 13m

Lexington Blue Grass

Sun 11/23

6:30 am-11:53 am

1 stop8h 23m

$419

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Sat 10/25

6:00 am-11:21 pm

2 stops14h 21m

Lexington Blue Grass

Sat 11/8

6:00 am-3:17 pm

2 stops12h 17m

$767

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, August 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 $288. If you are unable to visit Lexington during the month of August, then departing from Ontario during the month February is also very affordable. Most momondo users find prices during this month for around $313.

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 3% 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

Direct flights	None

There are no direct flights from Ontario to Lexington. There are no popular flight routes from Ontario to Lexington.

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 51m 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 October 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 Delta, making up 56% of the total bookings. Other popular airlines include American Airlines with 44%.

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 7.9 7,961 reviews		Search Delta flights

Richmond

Somerset

Georgetown

Danville

Frankfort

Winchester

Berea

Carlisle

Versailles

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 $289

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Lexington departing on 10/25. 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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Our best Delta deals on Ontario to Lexington flight tickets

United Airlines flights from Ontario to Lexington

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 3% 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?

American Airlines, Delta, and United Airlines 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

Direct flights

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