$219+ Cheap flights from Ontario to Lexington (ONT - LEX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LEX
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Lexington 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 Ontario to Lexington
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Best
Last-minute
One-way
Cheapest flights from Ontario to LexingtonExplore the most affordable flight options available from Ontario to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Ontario to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. 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 12/210:30 pm -
1 stop7h 17m
Mon 12/73:54 pm -
1 stop8h 44m
Deal found 10/21![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 10/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:20 pm -
1 stop8h 44m
Sat 12/512:45 pm -
1 stop10h 10m
Deal found 10/22![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 10/20. 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 11/1311:10 pm -
1 stop8h 02m
Mon 11/163:38 pm -
1 stop9h 19m
Deal found 10/20![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:32 pm -
1 stop6h 04m
Wed 11/119:00 am -
1 stop6h 33m
Deal found 10/21![United Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 10/23. 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 11/1311:10 pm -
1 stop8h 02m
Thu 11/196:00 am -
1 stop8h 03m
Deal found 10/23![Delta logo]()
$430
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/410:30 pm -
1 stop7h 13m
Sun 11/87:54 pm -
1 stop6h 52m
Deal found 10/20![American Airlines logo]()
$449
Best flights from Ontario to LexingtonDiscover carefully curated flight deals from Ontario to Lexington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Ontario to Lexington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Delta deal was found by Cheapflights users on 10/25. 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 12/212:20 pm -
1 stop8h 44m
Mon 12/73:34 pm -
1 stop9h 21m
Deal found 10/25![Delta logo]()
$409
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/46:30 am -
2 stops13h 06m
Sun 11/87:54 pm -
1 stop6h 52m
Deal found 10/20![American Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:20 am -
2 stops9h 36m
Sat 12/58:04 am -
1 stop7h 30m
Deal found 10/20![United Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 10/20. 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 11/1311:10 pm -
1 stop8h 02m
Mon 11/163:38 pm -
1 stop9h 19m
Deal found 10/20![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/67:00 am -
1 stop7h 20m
Tue 2/910:50 am -
2 stops13h 10m
Deal found 10/20![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:20 am -
2 stops9h 36m
Mon 12/78:45 am -
2 stops9h 50m
Deal found 10/21![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/171:38 pm -
1 stop5h 41m
Sun 12/205:50 pm -
1 stop7h 41m
Deal found 10/25![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:37 pm -
2 stops12h 38m
Mon 11/169:00 am -
2 stops14h 15m
Deal found 10/20![United Airlines logo]()
$655
Last-minute flights from Ontario to LexingtonDiscover last-minute flight deals from Ontario to Lexington. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Lexington. Data last updated October 25, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/410:30 pm -
1 stop7h 13m
Sun 11/87:54 pm -
1 stop6h 52m
Deal found 10/20![American Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:32 pm -
1 stop6h 04m
Wed 11/119:00 am -
1 stop6h 33m
Deal found 10/21![United Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 10/20. 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 11/1311:10 pm -
1 stop8h 02m
Mon 11/163:38 pm -
1 stop9h 19m
Deal found 10/20![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 10/23. 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 11/1311:10 pm -
1 stop8h 02m
Thu 11/196:00 am -
1 stop8h 03m
Deal found 10/23![Delta logo]()
$430
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/139:29 am -
2 stops11h 30m
Mon 11/167:54 pm -
1 stop6h 52m
Deal found 10/20![American Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 10/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2412:45 pm -
1 stop6h 59m
Tue 12/15:55 pm -
1 stop8h 25m
Deal found 10/24![American Airlines logo]()
$485
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:29 pm -
1 stop6h 07m
Tue 12/11:45 pm -
2 stops10h 26m
Deal found 10/24![United Airlines logo]()
$488
One-way flights from Ontario to LexingtonSearch for one-way flight options from Ontario to Lexington. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Ontario to Lexington. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Wed 12/3010:48 pm -
3 stops33h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Tue 12/2910:48 pm -
2 stops37h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 10/23. 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.
Mon 11/232:01 pm -
3 stops41h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Thu 12/3111:32 am -
2 stops28h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 12/289:37 pm -
2 stops20h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$320
Find flight deals from Ontario to Lexington
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Lexington (LEX). 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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $379 (American Airlines) |
One-way from | $219 (Kiwi.com) |
Popular in | July |
Cheapest in | November |
Average price | $413 |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated October 25, 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
Cheapest round-trip
OntarioLexington
ONT Ontario - LEX Lexington Blue Grass
ONTLEX
Ontario
Tue 12/29
10:48 pm-11:20 am
3 stops57h 32m
Lexington Blue Grass
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$261
OntarioLexington
ONT Ontario - LEX Lexington Blue Grass
ONTLEX
Ontario
Mon 11/23
2:01 pm-10:38 am
3 stops41h 37m
Lexington Blue Grass
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$290
OntarioLexington
ONT Ontario - LEX Lexington Blue Grass
ONTLEX
Ontario
Mon 12/28
9:37 pm-8:58 pm
2 stops20h 21m
Lexington Blue Grass
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$334
OntarioLexington
ONT Ontario - LEX Lexington Blue Grass
ONTLEX
Ontario
Tue 11/17
7:05 am-7:05 pm
1 stop9h 00m
Lexington Blue Grass
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$379
OntarioLexington
ONT Ontario - LEX Lexington Blue Grass
ONTLEX
Ontario
Sun 12/13
11:59 pm-11:33 am
1 stop8h 34m
Lexington Blue Grass
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$379
OntarioLexington
ONT Ontario - LEX Lexington Blue Grass
ONTLEX
Ontario
Mon 11/23
6:00 am-8:35 pm
2 stops11h 35m
Lexington Blue Grass
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$384
OntarioLexington
ONT Ontario - LEX Lexington Blue Grass
ONTLEX
Ontario
Sat 12/5
7:00 am-8:25 pm
1 stop10h 25m
Lexington Blue Grass
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$388
OntarioLexington
ONT Ontario - LEX Lexington Blue Grass
ONTLEX
Ontario
Wed 12/2
12:20 pm-12:04 am
1 stop8h 44m
Lexington Blue Grass
Mon 12/7
3:34 pm-9:55 pm
1 stop9h 21m
$409
OntarioLexington
ONT Ontario - LEX Lexington Blue Grass
ONTLEX
Ontario
Fri 11/13
11:10 pm-10:12 am
1 stop8h 02m
Lexington Blue Grass
Mon 11/16
3:38 pm-9:57 pm
1 stop9h 19m
$409
OntarioLexington
ONT Ontario - LEX Lexington Blue Grass
ONTLEX
Ontario
Wed 11/25
1:29 pm-10:36 pm
1 stop6h 07m
Lexington Blue Grass
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$433
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Ontario to Lexington
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 Ontario to Lexington in October.
| 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 Ontario-Lexington flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Lexington flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Lexington flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Lexington 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 Ontario-Lexington 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 Ontario to Lexington
Have a flexible travel schedule? Discover the best time to fly to Lexington from Ontario with our price prediction graph.
ONT-LEX
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.
Reviews of airlines servicing Lexington
Get insights into the airlines that provide service to Lexington. 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 Lexington. Reviews last updated October 25, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Ontario to Lexington by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Lexington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Lexington?
Book flights to Lexington if you plan to visit one of these locationsSomerset
Richmond
Danville
Frankfort
Georgetown
Berea
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Complete your trip
Complete your trip to Lexington by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Ontario to Lexington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Lexington
Explore flights to Lexington departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Ontario and Lexington flights
Browse other Ontario and Lexington flight options. Last updated on October 25, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Ontario to Lexington
Discover the top 3 airlines that operate flights from Ontario to Lexington. 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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$470 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$328 | Average$508 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$377 | Average$494 | FlexibilityNo cancel fee | On-time71% |