Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Lexington to Los Angeles from $217

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lexington to Los Angeles departing on 5/8. 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 Lexington to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:19 pm - 7:49 am
LEX
-
ONT
12h 30m
1 stop
Multiple Airlines Logo
8:27 pm - 9:29 pm
ONT
-
LEX
22h 02m
1 stop
$295Multiple Airlines
Thu, May 14 - Sat, May 16
Multiple Airlines Logo
10:19 pm - 7:49 am
LEX
-
ONT
12h 30m
1 stop
Multiple Airlines Logo
11:36 am - 9:29 pm
ONT
-
LEX
6h 53m
1 stop
$298Multiple Airlines
Thu, May 14 - Sun, May 17
Multiple Airlines Logo
10:19 pm - 7:49 am
LEX
-
ONT
12h 30m
1 stop
Multiple Airlines Logo
8:27 pm - 9:29 pm
ONT
-
LEX
22h 02m
1 stop
$308Multiple Airlines
Thu, May 14 - Sat, May 16
Delta Logo
5:55 pm - 9:56 pm
LEX
-
ONT
7h 01m
1 stop
Delta Logo
7:00 am - 5:12 pm
ONT
-
LEX
7h 12m
1 stop
$331Delta
Wed, Sep 2 - Wed, Sep 9
Multiple Airlines Logo
10:19 pm - 7:49 am
LEX
-
ONT
12h 30m
1 stop
Multiple Airlines Logo
11:36 am - 9:29 pm
ONT
-
LEX
6h 53m
1 stop
$334Multiple Airlines
Thu, May 14 - Sun, May 17
American Airlines Logo
4:35 pm - 10:36 pm
LEX
-
ONT
9h 01m
1 stop
American Airlines Logo
7:12 pm - 8:50 am
ONT
-
LEX
10h 38m
2 stops
$336American Airlines
Sat, Jun 6 - Tue, Jun 9
Multiple Airlines Logo
10:19 pm - 7:49 am
LEX
-
ONT
12h 30m
1 stop
Multiple Airlines Logo
8:06 pm - 8:55 pm
ONT
-
LEX
21h 49m
2 stops
$338Multiple Airlines
Thu, May 14 - Sun, May 17
Delta Logo
3:32 pm - 9:48 pm
LEX
-
ONT
9h 16m
1 stop
Delta Logo
10:00 pm - 9:21 am
ONT
-
LEX
8h 21m
1 stop
$350Delta
Wed, May 27 - Sun, May 31
Delta Logo
10:43 am - 9:48 pm
LEX
-
ONT
14h 05m
2 stops
Delta Logo
10:00 pm - 9:21 am
ONT
-
LEX
8h 21m
1 stop
$355Delta
Wed, May 27 - Sun, May 31
American Airlines Logo
5:00 am - 12:05 pm
LEX
-
ONT
10h 05m
2 stops
American Airlines Logo
7:12 pm - 8:50 am
ONT
-
LEX
10h 38m
2 stops
$360American Airlines
Wed, May 27 - Sun, May 31

Delta flights from Lexington to Ontario

Our best Delta deals on Lexington to Ontario flight tickets
Delta
Sep 2
LEX5:55 pmLexington Blue Grass
7h 01m
1 stop
ONT9:56 pmOntario
Sep 9
ONT7:00 amOntario
7h 12m
1 stop
LEX5:12 pmLexington Blue Grass
$331
Delta
May 27
LEX3:32 pmLexington Blue Grass
9h 16m
1 stop
ONT9:48 pmOntario
May 31
ONT10:00 pmOntario
8h 21m
1 stop
LEX9:21 amLexington Blue Grass
$350
Delta
May 27
LEX10:43 amLexington Blue Grass
14h 05m
2 stops
ONT9:48 pmOntario
May 31
ONT10:00 pmOntario
8h 21m
1 stop
LEX9:21 amLexington Blue Grass
$355

American Airlines flights from Lexington to Ontario

Our best American Airlines deals on Lexington to Ontario flight tickets
American Airlines
Jun 6
LEX4:35 pmLexington Blue Grass
9h 01m
1 stop
ONT10:36 pmOntario
Jun 9
ONT7:12 pmOntario
10h 38m
2 stops
LEX8:50 amLexington Blue Grass
$336
American Airlines
May 27
LEX5:00 amLexington Blue Grass
10h 05m
2 stops
ONT12:05 pmOntario
May 31
ONT7:12 pmOntario
10h 38m
2 stops
LEX8:50 amLexington Blue Grass
$360
American Airlines
May 15
LEX3:00 pmLexington Blue Grass
9h 59m
2 stops
ONT9:59 pmOntario
May 18
ONT7:35 pmOntario
11h 56m
2 stops
LEX10:31 amLexington Blue Grass
$379

momondo Fare Finder

 
Customize your flight search to find flights from Lexington to Ontario 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 April 20, 2026.
Use the filters below to find and compare flights from Lexington to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Thu 5/14

10:19 pm-7:49 am

1 stop12h 30m

Ontario

Sat 5/16

8:27 pm-9:29 pm

1 stop22h 02m

$295

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Thu 5/14

10:19 pm-7:49 am

1 stop12h 30m

Ontario

Sun 5/17

11:36 am-9:29 pm

1 stop6h 53m

$298

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Thu 5/14

10:19 pm-7:49 am

1 stop12h 30m

Ontario

Sat 5/16

8:27 pm-9:29 pm

1 stop22h 02m

$308
Quickest round-trip

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Wed 9/2

5:55 pm-9:56 pm

1 stop7h 01m

Ontario

Wed 9/9

7:00 am-5:12 pm

1 stop7h 12m

$331

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Thu 5/14

10:19 pm-7:49 am

1 stop12h 30m

Ontario

Sun 5/17

11:36 am-9:29 pm

1 stop6h 53m

$334

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Sat 6/6

4:35 pm-10:36 pm

1 stop9h 01m

Ontario

Tue 6/9

7:12 pm-8:50 am

2 stops10h 38m

$336

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Thu 5/14

10:19 pm-7:49 am

1 stop12h 30m

Ontario

Sun 5/17

8:06 pm-8:55 pm

2 stops21h 49m

$338

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Wed 5/27

3:32 pm-9:48 pm

1 stop9h 16m

Ontario

Sun 5/31

10:00 pm-9:21 am

1 stop8h 21m

$350

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Wed 5/27

10:43 am-9:48 pm

2 stops14h 05m

Ontario

Sun 5/31

10:00 pm-9:21 am

1 stop8h 21m

$355

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Wed 5/27

5:00 am-12:05 pm

2 stops10h 05m

Ontario

Sun 5/31

7:12 pm-8:50 am

2 stops10h 38m

$360

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Lexington to Ontario

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 Lexington and Ontario?

When to book flights from Lexington to Ontario

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

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

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

Fastest flight time

6h 33m

Direct flights

None
The fastest flight from Lexington to Ontario takes 6h 33m
There are no direct flights from Lexington to Ontario. There are no popular flight routes from Lexington to Ontario.
Search flight deals

Frequently asked questions about flying from Lexington to Ontario

  • How far is Lexington Blue Grass to Ontario by plane?

    The straight-line distance from Lexington Blue Grass to Ontario is 1860.7 mi. Flights usually cover this in 6h 33m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lexington Blue Grass Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Lexington to Ontario?

Best airlines flying from Lexington to Ontario

Compare and see reviews for airlines that fly from Lexington to Ontario with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $288Free CancellationRating
7.1
11,625 reviews
Search American Airlines flights
DeltaPriceFrom $288Free CancellationRating
7.9
8,422 reviews
Search Delta flights
United AirlinesPriceFrom $353Free CancellationRating
7.4
9,607 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Lexington to Ontario for you.

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

Yes. momondo allows you to filter the results for Lexington to Ontario flights to just show those with flexible booking policies.

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

Once all potential Lexington to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Ontario from Lexington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ontario 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
Wed 5/20
Wed 5/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States