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$246+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — ONT
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheap 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$288
(Delta)

One-way from

$246
(Delta)

Popular in

December

Cheapest in

June

Average price

$533
Provider with most accurate pricing for Lexington Blue Grass-Ontario flight deals.
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Provider most trusted by Cheapflights users for Lexington Blue Grass-Ontario flights.
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From Lexington Blue Grass to Ontario
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One-way flight from Lexington Blue Grass to Ontario
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Highest demand for flights based on searches. 17% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Lexington to Ontario

Cheapest flights from Lexington to Ontario
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 March 25, 2025.

This Delta deal was found by Cheapflights users on 3/24. 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.
Sat 4/194:02 pmLEX - ONT
1 stop9h 34mDelta
Fri 4/2510:15 pmONT - LEX
1 stop8h 15mDelta
Deal found 3/24$288
This American Airlines deal was found by Cheapflights users on 3/24. 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 5/137:30 pmLEX - ONT
1 stop7h 13mAmerican Airlines
Wed 5/217:25 pmONT - LEX
2 stops12h 05mAmerican Airlines
Deal found 3/24$294
This United Airlines deal was found by Cheapflights users on 3/24. 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 4/297:00 amLEX - ONT
2 stops13h 51mUnited Airlines
Sat 5/31:20 pmONT - LEX
1 stop6h 09mUnited Airlines
Deal found 3/24$435
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/266:40 amLEX - ONT
2 stops14h 45mAlaska Airlines
Mon 6/27:20 pmONT - LEX
2 stops12h 10mAlaska Airlines
Deal found 3/24$875

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 March 25, 2025.
Use the filters below to find and compare flights from Lexington to Ontario that are best for you.

Fly from

Lexington

Fly to

Ontario

Route

Depart

Return

Price

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Sat 4/19

4:02 pm-10:36 pm

1 stop9h 34m

Ontario

Fri 4/25

10:15 pm-9:30 am

1 stop8h 15m

$288

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Tue 5/13

7:30 pm-11:43 pm

1 stop7h 13m

Ontario

Wed 5/21

7:25 pm-10:30 am

2 stops12h 05m

$294

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Tue 4/29

7:00 am-5:51 pm

2 stops13h 51m

Ontario

Sat 5/3

1:20 pm-10:29 pm

1 stop6h 09m

$435

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Mon 5/26

6:40 am-6:25 pm

2 stops14h 45m

Ontario

Mon 6/2

7:20 pm-10:30 am

2 stops12h 10m

$875

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Tue 6/3

5:55 pm-10:29 pm

1 stop7h 34m

$246

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Tue 6/3

7:51 am-6:23 pm

2 stops13h 32m

$251

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Wed 6/4

5:58 pm-10:26 pm

1 stop7h 28m

$291

LexingtonOntario

LEX - ONT

LEXONT

Lexington Blue Grass

Tue 6/3

6:40 am-3:50 pm

2 stops12h 10m

$404

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

What is the cheapest month to book a flight from Lexington to Ontario?

Currently, August is the cheapest month in which you can book a flight from Lexington to Ontario (average of $246). Flying from Lexington to Ontario in March is currently the most expensive (average of $324). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LEX to ONT?

Find hourly flight availability from Lexington to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

When flying from Lexington to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 24% versus a flight in the evening.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 March 25, 2025.
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Alaska Airlines
8.0
Very good
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

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.

  • What are the cheapest airlines flying from Lexington to Ontario round-trip?

    Delta, at $288, was found to be the cheapest airline from Lexington to Ontario.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Delta is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Lexington to Ontario one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $246. Users have also found prices from $251 and $291 on American Airlines and United Airlines, respectively.

  • Can I find deals for flights from Lexington to Ontario that include hotel bookings?

    Yes. In addition to deals on Lexington to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lexington to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lexington to Ontario.

  • Can I find deals for business class flights from Lexington to Ontario?

    Yes. Cheapflights offers flight deals from Lexington to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Lexington to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Lexington to Ontario (average of $246). Flying from Lexington to Ontario in March is currently the most expensive (average of $324). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Lexington to Ontario

Discover the top 2 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$419FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$333Average$417FlexibilityNo cancel feeOn-time71%
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