Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Lexington from $231

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 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to Lexington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:17 pm - 9:23 pm
ONT
-
LEX
23h 06m
1 stop
Multiple Airlines Logo
10:08 pm - 1:11 pm
LEX
-
ONT
18h 03m
1 stop
$231Multiple Airlines
Wed, Feb 11 - Sun, Feb 15
American Airlines Logo
11:59 pm - 12:09 pm
ONT
-
LEX
9h 10m
1 stop
American Airlines Logo
7:10 pm - 11:59 pm
LEX
-
ONT
7h 49m
1 stop
$309American Airlines
Mon, Feb 16 - Mon, Mar 9
Delta Logo
10:20 pm - 9:20 am
ONT
-
LEX
8h 00m
1 stop
Delta Logo
5:00 pm - 9:05 pm
LEX
-
ONT
7h 05m
1 stop
$312Delta
Sat, Feb 28 - Sat, Mar 7
Delta Logo
10:20 pm - 9:20 am
ONT
-
LEX
8h 00m
1 stop
Delta Logo
10:30 am - 9:00 pm
LEX
-
ONT
13h 30m
2 stops
$314Delta
Wed, Feb 18 - Wed, Mar 11
Delta Logo
5:00 pm - 9:20 am
ONT
-
LEX
13h 20m
2 stops
Delta Logo
10:30 am - 9:00 pm
LEX
-
ONT
13h 30m
2 stops
$320Delta
Wed, Feb 18 - Wed, Mar 11
Multiple Airlines Logo
11:44 am - 9:29 pm
ONT
-
LEX
6h 45m
1 stop
Multiple Airlines Logo
10:19 pm - 8:04 am
LEX
-
ONT
12h 45m
1 stop
$328Multiple Airlines
Thu, May 7 - Sun, May 10
Delta Logo
10:30 pm - 9:42 am
ONT
-
LEX
8h 12m
1 stop
Delta Logo
5:00 pm - 9:05 pm
LEX
-
ONT
7h 05m
1 stop
$334Delta
Mon, Feb 9 - Sat, Feb 21
Multiple Airlines Logo
3:22 pm - 10:54 am
ONT
-
LEX
16h 32m
2 stops
Multiple Airlines Logo
10:08 pm - 1:11 pm
LEX
-
ONT
18h 03m
1 stop
$337Multiple Airlines
Wed, Feb 11 - Sun, Feb 15
American Airlines Logo
7:05 pm - 9:28 am
ONT
-
LEX
11h 23m
2 stops
American Airlines Logo
7:10 pm - 11:59 pm
LEX
-
ONT
7h 49m
1 stop
$339American Airlines
Thu, Feb 12 - Fri, Feb 20
Delta Logo
10:30 pm - 9:42 am
ONT
-
LEX
8h 12m
1 stop
Delta Logo
3:46 pm - 9:05 pm
LEX
-
ONT
8h 19m
1 stop
$359Delta
Mon, Feb 9 - Fri, Feb 20

Delta flights from Ontario to Lexington

Our best Delta deals on Ontario to Lexington flight tickets
Delta
Feb 28
ONT10:20 pmOntario
8h 00m
1 stop
LEX9:20 amLexington Blue Grass
Mar 7
LEX5:00 pmLexington Blue Grass
7h 05m
1 stop
ONT9:05 pmOntario
$312
Delta
Feb 18
ONT10:20 pmOntario
8h 00m
1 stop
LEX9:20 amLexington Blue Grass
Mar 11
LEX10:30 amLexington Blue Grass
13h 30m
2 stops
ONT9:00 pmOntario
$314
Delta
Feb 18
ONT5:00 pmOntario
13h 20m
2 stops
LEX9:20 amLexington Blue Grass
Mar 11
LEX10:30 amLexington Blue Grass
13h 30m
2 stops
ONT9:00 pmOntario
$320

United Airlines flights from Ontario to Lexington

Our best United Airlines deals on Ontario to Lexington flight tickets
United Airlines
Jul 22
ONT7:00 amOntario
6h 55m
1 stop
LEX4:55 pmLexington Blue Grass
Jul 27
LEX5:50 pmLexington Blue Grass
7h 36m
1 stop
ONT10:26 pmOntario
$399
United Airlines
Feb 18
ONT6:37 pmOntario
15h 38m
3 stops
LEX1:15 pmLexington Blue Grass
Mar 11
LEX10:25 amLexington Blue Grass
13h 25m
2 stops
ONT8:50 pmOntario
$485
United Airlines
Feb 5
ONT1:24 pmOntario
6h 06m
1 stop
LEX10:30 pmLexington Blue Grass
Feb 14
LEX10:35 amLexington Blue Grass
13h 15m
2 stops
ONT8:50 pmOntario
$499

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Lexington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from Ontario to Lexington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Wed 2/11

7:17 pm-9:23 pm

1 stop23h 06m

Lexington Blue Grass

Sun 2/15

10:08 pm-1:11 pm

1 stop18h 03m

$231

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Mon 2/16

11:59 pm-12:09 pm

1 stop9h 10m

Lexington Blue Grass

Mon 3/9

7:10 pm-11:59 pm

1 stop7h 49m

$309

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Sat 2/28

10:20 pm-9:20 am

1 stop8h 00m

Lexington Blue Grass

Sat 3/7

5:00 pm-9:05 pm

1 stop7h 05m

$312

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Wed 2/18

10:20 pm-9:20 am

1 stop8h 00m

Lexington Blue Grass

Wed 3/11

10:30 am-9:00 pm

2 stops13h 30m

$314

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Wed 2/18

5:00 pm-9:20 am

2 stops13h 20m

Lexington Blue Grass

Wed 3/11

10:30 am-9:00 pm

2 stops13h 30m

$320

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Thu 5/7

11:44 am-9:29 pm

1 stop6h 45m

Lexington Blue Grass

Sun 5/10

10:19 pm-8:04 am

1 stop12h 45m

$328

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Mon 2/9

10:30 pm-9:42 am

1 stop8h 12m

Lexington Blue Grass

Sat 2/21

5:00 pm-9:05 pm

1 stop7h 05m

$334

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Wed 2/11

3:22 pm-10:54 am

2 stops16h 32m

Lexington Blue Grass

Sun 2/15

10:08 pm-1:11 pm

1 stop18h 03m

$337

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Thu 2/12

7:05 pm-9:28 am

2 stops11h 23m

Lexington Blue Grass

Fri 2/20

7:10 pm-11:59 pm

1 stop7h 49m

$339

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Mon 2/9

10:30 pm-9:42 am

1 stop8h 12m

Lexington Blue Grass

Fri 2/20

3:46 pm-9:05 pm

1 stop8h 19m

$359

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between Ontario and Lexington?

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 September is also very affordable. Most momondo users find prices during this month for around $288.

Can stopping save me money on Ontario to Lexington flights?

You could potentially save up to 9% 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

Fastest flight time

6h 06m

Direct flights

None
The fastest flight from Ontario to Lexington takes 6h 06m
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. 6h 06m 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?

  • 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?

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 AirlinesPriceFrom $288Free CancellationRating
7.2
11,201 reviews
Search American Airlines flights
DeltaPriceFrom $288Free CancellationRating
7.9
8,123 reviews
Search Delta flights

Traveling to a place near Lexington?

Book flights to Lexington if you plan to visit one of these locations
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

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 2/27
Fri 3/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States