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Ontario

$54+ Cheap flights from Indiana to Ontario (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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ONT
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Indiana to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Indiana (USIN) 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 January 21, 2025.

Round-trip from

$130
(Trip.com)

One-way from

$54
(Trip.com)
From Indiana to Ontario
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One-way flight from Indiana to Ontario
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Find flight deals from Indiana to Ontario

Cheapest flights from Indiana to Ontario
Explore the most affordable flight options available from Indiana to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Trip.com deal was found by Cheapflights users on 1/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/187:59 pmCVG - ONT
1 stop22h 20mFrontier
Thu 2/279:35 pmONT - CVG
1 stop28h 39mFrontier
Deal found 1/20$130
This Frontier deal was found by Cheapflights users on 1/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2412:01 pmIND - ONT
1 stop9h 57mFrontier
Thu 2/277:58 pmONT - IND
1 stop12h 03mFrontier
Deal found 1/20$130
This CheapOair deal was found by Cheapflights users on 1/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/66:40 amMDW - ONT
1 stop19h 29mFrontier
Sat 3/812:59 amONT - MDW
1 stop20h 20mFrontier
Deal found 1/20$171
This Justfly.com deal was found by Cheapflights users on 1/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/276:20 amORD - ONT
1 stop16h 26mFrontier
Wed 1/2912:34 pmONT - ORD
1 stop26h 51mFrontier
Deal found 1/20$171
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 8/216:00 amORD - ONT
1 stop9h 28mAmerican Airlines
Mon 8/258:01 pmONT - ORD
1 stop7h 27mAmerican Airlines
Deal found 1/20$247
This Travelocity deal was found by Cheapflights users on 1/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/66:00 amCVG - ONT
1 stop7h 27mMultiple Airlines
Mon 2/106:00 amONT - CVG
1 stop8h 29mMultiple Airlines
Deal found 1/20$251
This Delta deal was found by Cheapflights users on 1/20. 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.
Wed 2/196:00 amMDW - ONT
1 stop7h 55mDelta
Wed 2/267:05 amONT - MDW
1 stop7h 15mDelta
Deal found 1/20$257
This Delta deal was found by Cheapflights users on 1/20. 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.
Sat 3/85:00 pmORD - ONT
1 stop8h 26mDelta
Thu 3/131:30 pmONT - ORD
1 stop6h 15mDelta
Deal found 1/20$257
This Delta deal was found by Cheapflights users on 1/20. 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.
Sat 8/236:05 pmFWA - ONT
1 stop7h 24mDelta
Sat 8/3012:00 pmONT - FWA
1 stop8h 31mDelta
Deal found 1/20$289
This Delta deal was found by Cheapflights users on 1/20. 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.
Sat 2/223:09 pmDAY - ONT
1 stop10h 43mDelta
Tue 2/251:05 pmONT - DAY
1 stop7h 20mDelta
Deal found 1/20$289
This Orbitz deal was found by Cheapflights users on 1/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/278:58 pmIND - ONT
1 stop6h 11mMultiple Airlines
Sat 3/16:00 amONT - IND
1 stop8h 27mMultiple Airlines
Deal found 1/20$298
This Delta deal was found by Cheapflights users on 1/19. 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 3/256:24 amCVG - ONT
1 stop18h 58mDelta
Wed 3/265:40 amONT - CVG
1 stop10h 01mDelta
Deal found 1/19$303

Find flights from Indiana to Ontario within your budget

Customize your flight search to find flights from Indiana 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 2/18

7:59 pm-3:19 pm

1 stop22h 20m

Ontario

Thu 2/27

9:35 pm-5:14 am

1 stop28h 39m

$130

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Mon 2/24

12:01 pm-6:58 pm

1 stop9h 57m

Ontario

Thu 2/27

7:58 pm-11:01 am

1 stop12h 03m

$130

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Thu 3/6

6:40 am-12:09 am

1 stop19h 29m

Ontario

Sat 3/8

12:59 am-12:19 am

1 stop20h 20m

$171

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sun 2/16

7:59 pm-7:26 am

1 stop13h 27m

Ontario

Sun 2/23

7:18 pm-8:24 am

1 stop11h 06m

$171

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 2/6

6:00 am-10:27 am

1 stop7h 27m

Ontario

Mon 2/10

6:00 am-5:29 pm

1 stop8h 29m

$251

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 2/19

6:00 am-11:55 am

1 stop7h 55m

Ontario

Wed 2/26

1:05 pm-10:20 pm

1 stop7h 15m

$257

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 3/8

5:00 pm-11:26 pm

1 stop8h 26m

Ontario

Tue 3/11

1:30 pm-9:45 pm

1 stop6h 15m

$257

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Fri 4/18

3:16 pm-11:59 pm

1 stop10h 43m

Ontario

Tue 4/22

11:46 am-11:59 pm

1 stop10h 13m

$267

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sun 2/9

5:00 am-9:59 am

1 stop6h 59m

Ontario

Sat 2/15

6:05 am-3:23 pm

1 stop7h 18m

$281

DaytonOntario

DAY - ONT

DAYONT

Dayton

Sat 2/22

3:09 pm-10:52 pm

1 stop10h 43m

Ontario

Wed 2/26

1:05 pm-11:25 pm

1 stop7h 20m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 60 results
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Best time to book a flight from Indiana to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Indiana 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.

Travel insights for flights from Indiana to Ontario

Get recent, data-driven insights about flights from Indiana to Ontario including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Indiana to Ontario (average of $246). Flying from Indiana to Ontario in March is currently the most expensive (average of $311). 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 IN to ONT?

Find hourly flight availability from Indiana 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 January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Indiana to Ontario as you normally would.

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 January 21, 2025.
To help decide which airline to fly from Indiana to Ontario, see what other customers have to say about Frontier, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Entertainment

7.7

Overall

8.1

Food

7.2

Crew

8.7

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very good
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Entertainment

7.7

Overall

8.1

Food

7.2

Crew

8.7

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Entertainment

7.7

Overall

8.1

Food

7.2

Crew

8.7

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Entertainment

7.7

Overall

8.1

Food

7.2

Crew

8.7

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

United Airlines
7.4
Good
8,984 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Entertainment

7.7

Overall

8.1

Food

7.2

Crew

8.7

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Entertainment

7.7

Overall

8.1

Food

7.2

Crew

8.7

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Related info for your journey

Find useful and relevant information for your journey from Indiana to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Indiana?

    If you book a flight to Ontario from Indiana, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

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

    The cheapest airlines for a one-way flight from Indiana to Ontario are Frontier ($54), Alaska Airlines ($123), and United Airlines ($124).

  • What are the most popular routes from Indiana to Ontario?

    The most popular flight routes from Indiana to Ontario are Chicago O'Hare Intl - Ontario, Chicago Midway - Ontario and Cincinnati Cinci./N. Kentucky - Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Indiana 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 Indiana to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Indiana to Ontario (average of $246). Flying from Indiana to Ontario in March is currently the most expensive (average of $311). 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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Alternative routes for Indiana to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Indiana to Ontario

Discover the top 5 airlines that operate flights from Indiana 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$112Average$222FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$244Average$536FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$418FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$327Average$464FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$336Average$626FlexibilityNo cancel feeOn-time63%
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