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$149+ Cheap flights from Hartford to Ontario (BDL - 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Hartford Bradley Intl to Ontario are usually found in September or June, booked 79 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Hartford to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Hartford (BDL) 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 June 12, 2025.

Round-trip from

$306
(Delta)

One-way from

$149
(American Airlines)

Popular in

November

Cheapest in

September

Average price

$443
From Hartford Bradley Intl to Ontario
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One-way flight from Hartford Bradley Intl to Ontario
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Highest demand for flights based on searches. 13% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Hartford to Ontario

Cheapest flights from Hartford to Ontario
Explore the most affordable flight options available from Hartford to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 9/66:00 amBDL - ONT
1 stop7h 35mDelta
Mon 9/2910:59 pmONT - BDL
1 stop8h 47mDelta
Deal found 6/10$306
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 7/126:23 amBDL - ONT
1 stop10h 24mAmerican Airlines
Sat 7/1910:28 pmONT - BDL
1 stop7h 32mAmerican Airlines
Deal found 6/11$380
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/208:00 amBDL - ONT
1 stop7h 32mUnited Airlines
Tue 8/261:15 pmONT - BDL
1 stop7h 17mUnited Airlines
Deal found 6/10$397
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/24:50 pmBDL - ONT
1 stop8h 25mSouthwest
Mon 7/711:15 amONT - BDL
1 stop9h 35mSouthwest
Deal found 6/11$412
This Frontier deal was found by Cheapflights users on 6/10. 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.
Sat 8/1612:27 pmBDL - ONT
2 stops14h 23mFrontier
Sat 8/301:07 pmONT - BDL
2 stops19h 29mFrontier
Deal found 6/10$487
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 9/512:15 pmBDL - ONT
2 stops14h 44mAlaska Airlines
Mon 9/87:22 pmONT - BDL
2 stops13h 12mAlaska Airlines
Deal found 6/11$577

Cheapflights Fare Finder

Customize your flight search to find flights from Hartford 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 June 12, 2025.
Use the filters below to find and compare flights from Hartford to Ontario that are best for you.

Fly from

Hartford

Fly to

Ontario

Route

Depart

Return

Price

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Sat 9/6

1:20 pm-7:11 pm

1 stop8h 51m

Ontario

Mon 9/29

10:59 pm-10:46 am

1 stop8h 47m

$306

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Sat 7/12

6:23 am-1:47 pm

1 stop10h 24m

Ontario

Sat 7/19

10:28 pm-9:00 am

1 stop7h 32m

$380

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Wed 8/20

8:00 am-12:32 pm

1 stop7h 32m

Ontario

Tue 8/26

1:15 pm-11:32 pm

1 stop7h 17m

$397

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Wed 7/2

4:50 pm-10:15 pm

1 stop8h 25m

Ontario

Mon 7/7

11:15 am-11:50 pm

1 stop9h 35m

$412

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Sat 8/16

12:27 pm-11:50 pm

2 stops14h 23m

Ontario

Sat 8/30

1:07 pm-11:36 am

2 stops19h 29m

$487

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Fri 9/5

12:15 pm-11:59 pm

2 stops14h 44m

Ontario

Mon 9/8

7:22 pm-11:34 am

2 stops13h 12m

$577

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Wed 8/13

6:00 am-10:35 am

1 stop7h 35m

$149

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Wed 7/16

6:20 am-6:27 pm

2 stops15h 07m

$173

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Tue 8/12

4:57 pm-10:11 pm

1 stop8h 14m

$199

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Tue 8/19

2:49 pm-12:13 am

2 stops12h 24m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 11 results
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Best time to book a flight from Hartford to Ontario

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

How far ahead should I book a flight from Hartford to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Hartford to Ontario. Price data was last updated on June 9, 2025.

The best time to book flights from Hartford to Ontario is 79 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Hartford to Ontario (average of $246). Flying from Hartford to Ontario in March is currently the most expensive (average of $328). 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 BDL to ONT?

Find hourly flight availability from Hartford 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 June 12, 2025.

It’s typically best to fly out from Hartford to Ontario at noon. Doing so could potentially save you 6% on the flight price compared to flying in the morning, which is usually more expensive.

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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Hartford to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Hartford 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 Hartford to Ontario round-trip?

    Currently priced at $306, Delta will fly you from Hartford to Ontario and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $380 and $397, respectively. Users have found that Delta is 39% cheaper than the other options available to this destination.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $149. Users have also found prices from $158 and $199 on Delta and United Airlines, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Hartford to Ontario (average of $246). Flying from Hartford to Ontario in March is currently the most expensive (average of $328). 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 Hartford to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Hartford to Ontario

Discover the top 4 airlines that operate flights from Hartford 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$306Average$529FlexibilityNo cancel feeOn-time71%
DeltaCheapest$306Average$496FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$332Average$493FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$380Average$516FlexibilityNo cancel feeOn-time69%

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