$159+ Cheap flights from Lexington to Ontario (LEX - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — ONT
May 26 — Jun 21
Round-trip
1 adult, Economy
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Find cheap flights from Lexington to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Lexington to Ontario
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Cheapest flights from Lexington to OntarioExplore the most affordable flight options available from Lexington to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 26, 2026.
Explore the most affordable flight options available from Lexington to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:19 pm
LEX
- ONT
1 stop12h 30m
Multiple Airlines
Sun 5/1711:36 am
ONT
- LEX
1 stop6h 53m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:19 pm
LEX
- ONT
1 stop12h 30m
Multiple Airlines
Sat 5/168:27 pm
ONT
- LEX
1 stop22h 02m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:32 pm
LEX
- ONT
1 stop9h 16m
Delta
Sat 5/3010:00 pm
ONT
- LEX
1 stop8h 21m
Delta
Deal found 4/23![Delta logo]()
$331
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:55 pm
LEX
- ONT
1 stop7h 19m
Delta
Mon 10/1910:59 pm
ONT
- LEX
1 stop7h 27m
Delta
Deal found 4/21![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:52 pm
LEX
- ONT
2 stops8h 42m
Delta
Sun 5/3110:00 pm
ONT
- LEX
1 stop8h 21m
Delta
Deal found 4/24![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:32 pm
LEX
- ONT
1 stop9h 16m
Delta
Mon 5/1810:00 pm
ONT
- LEX
1 stop8h 21m
Delta
Deal found 4/23![Delta logo]()
$369
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:00 pm
LEX
- ONT
2 stops9h 59m
American Airlines
Mon 5/187:35 pm
ONT
- LEX
2 stops12h 23m
American Airlines
Deal found 4/21![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:30 am
LEX
- ONT
2 stops10h 47m
Delta
Tue 6/95:24 pm
ONT
- LEX
2 stops13h 45m
Delta
Deal found 4/23![Delta logo]()
$386
Best flights from Lexington to OntarioDiscover carefully curated flight deals from Lexington to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 26, 2026.
Discover carefully curated flight deals from Lexington to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 26, 2026.
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:32 pm
LEX
- ONT
1 stop9h 16m
Delta
Sat 5/3010:00 pm
ONT
- LEX
1 stop8h 21m
Delta
Deal found 4/23![Delta logo]()
$331
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:00 am
LEX
- ONT
1 stop7h 40m
Delta
Thu 7/910:00 pm
ONT
- LEX
1 stop8h 16m
Delta
Deal found 4/25![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:52 pm
LEX
- ONT
2 stops8h 42m
Delta
Sun 5/3110:00 pm
ONT
- LEX
1 stop8h 21m
Delta
Deal found 4/25![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:00 am
LEX
- ONT
2 stops10h 18m
Delta
Mon 10/195:05 pm
ONT
- LEX
2 stops13h 21m
Delta
Deal found 4/25![Delta logo]()
$360
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/151:04 pm
LEX
- ONT
1 stop8h 32m
Delta
Mon 5/1810:00 pm
ONT
- LEX
1 stop8h 21m
Delta
Deal found 4/25![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am
LEX
- ONT
1 stop8h 04m
Delta
Sun 9/1310:59 pm
ONT
- LEX
1 stop7h 25m
Delta
Deal found 4/24![Delta logo]()
$424
Last-minute flights from Lexington to OntarioDiscover last-minute flight deals from Lexington to Ontario. Data last updated April 26, 2026 and is based on user searches.
Discover last-minute flight deals from Lexington to Ontario. Data last updated April 26, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:19 pm
LEX
- ONT
1 stop12h 30m
Multiple Airlines
Sun 5/1711:36 am
ONT
- LEX
1 stop6h 53m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:19 pm
LEX
- ONT
1 stop12h 30m
Multiple Airlines
Sat 5/168:27 pm
ONT
- LEX
1 stop22h 02m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:32 pm
LEX
- ONT
1 stop9h 16m
Delta
Mon 5/1810:00 pm
ONT
- LEX
1 stop8h 21m
Delta
Deal found 4/23![Delta logo]()
$369
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:00 pm
LEX
- ONT
2 stops9h 59m
American Airlines
Mon 5/187:35 pm
ONT
- LEX
2 stops12h 23m
American Airlines
Deal found 4/21![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:32 pm
LEX
- ONT
1 stop9h 16m
Delta
Sat 5/3010:00 pm
ONT
- LEX
1 stop8h 21m
Delta
Deal found 4/23![Delta logo]()
$331
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:35 pm
LEX
- ONT
1 stop9h 01m
American Airlines
Sun 5/3110:00 pm
ONT
- LEX
1 stop7h 50m
American Airlines
Deal found 4/21![American Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:52 pm
LEX
- ONT
2 stops8h 42m
Delta
Sun 5/3110:00 pm
ONT
- LEX
1 stop8h 21m
Delta
Deal found 4/24![Delta logo]()
$355
One-way flights from Lexington to OntarioSearch for one-way flight options from Lexington to Ontario. Find affordable one-way fares based on user searches. Data last updated April 26, 2026.
Search for one-way flight options from Lexington to Ontario. Find affordable one-way fares based on user searches. Data last updated April 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:57 pm
LEX
- ONT
1 stop20h 12m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:20 pm
LEX
- ONT
3 stops29h 24m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:20 am
LEX
- ONT
3 stops34h 51m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:45 pm
LEX
- ONT
2 stops44h 24m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/69:39 am
LEX
- ONT
3 stops56h 28m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$270
This American Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:38 pm
LEX
- ONT
1 stop9h 21m
American Airlines
Deal found 4/22![American Airlines logo]()
$309
Find flight deals from Lexington to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Lexington (LEX) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $291 (Kiwi.com) |
One-way from | $159 (Kiwi.com) |
Popular in | April |
Cheapest in | October |
Average price | $615 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 26, 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
Cheapest round-trip
LexingtonOntario
LEX - ONT
LEXONT
Lexington Blue Grass
Sat 5/23
3:32 pm-9:48 pm
1 stop9h 16m
Ontario
Sat 5/30
10:00 pm-9:21 am
1 stop8h 21m
$331
LexingtonOntario
LEX - ONT
LEXONT
Lexington Blue Grass
Wed 7/1
6:00 am-10:40 am
1 stop7h 40m
Ontario
Thu 7/9
10:00 pm-9:16 am
1 stop8h 16m
$350
LexingtonOntario
LEX - ONT
LEXONT
Lexington Blue Grass
Wed 5/27
5:52 pm-11:34 pm
2 stops8h 42m
Ontario
Sun 5/31
10:00 pm-9:21 am
1 stop8h 21m
$355
LexingtonOntario
LEX - ONT
LEXONT
Lexington Blue Grass
Wed 10/14
11:00 am-6:18 pm
2 stops10h 18m
Ontario
Mon 10/19
5:05 pm-9:26 am
2 stops13h 21m
$360
LexingtonOntario
LEX - ONT
LEXONT
Lexington Blue Grass
Fri 5/15
1:04 pm-6:36 pm
1 stop8h 32m
Ontario
Mon 5/18
10:00 pm-9:21 am
1 stop8h 21m
$394
Quickest round-trip
LexingtonOntario
LEX - ONT
LEXONT
Lexington Blue Grass
Wed 9/9
6:00 am-11:04 am
1 stop8h 04m
Ontario
Sun 9/13
10:59 pm-9:24 am
1 stop7h 25m
$424
Cheapest one-way
LexingtonOntario
LEX - ONT
LEXONT
Lexington Blue Grass
Fri 6/19
5:56 pm-9:48 pm
1 stop6h 52m
$309
LexingtonOntario
LEX - ONT
LEXONT
Lexington Blue Grass
Wed 6/3
9:03 am-12:47 pm
1 stop6h 44m
$309
LexingtonOntario
LEX - ONT
LEXONT
Lexington Blue Grass
Tue 6/23
5:38 pm-11:59 pm
1 stop9h 21m
$309
LexingtonOntario
LEX - ONT
LEXONT
Lexington Blue Grass
Wed 6/3
8:04 am-4:17 pm
2 stops11h 13m
$314
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Lexington to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lexington to Ontario in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Lexington-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lexington-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lexington-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Lexington-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lexington-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Lexington to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Lexington with our price prediction graph.
LEX-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Lexington to Ontario
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated April 26, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Lexington to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Food
7.2
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.9
Food
7.2
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.9
Food
7.2
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.9
Food
7.2
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Lexington to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Lexington to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Lexington to Ontario by cabin class
Find flights from Lexington to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 26, 2026.
Lexington and Ontario flights
Browse other Lexington and Ontario flight options. Last updated on April 26, 2026.
Other flights from Lexington
Browse through other flights departing from Lexington. Flights are based on user searches made on Cheapflights and were last updated on April 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Lexington to Ontario
Discover the top 3 airlines that operate flights from Lexington to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$508 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$373 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$353 | Average$448 | FlexibilityNo cancel fee | On-time69% |