HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Hartford

$147+ Cheap flights from Ontario to Hartford (ONT - BDL)

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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BDL
Apr 25 — May 21
Sat 4/25
Sat 5/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Hartford 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 Hartford

Cheapest flights from Ontario to Hartford
Explore the most affordable flight options available from Ontario to Hartford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2026.

This Delta deal was found by Cheapflights users on 3/25. 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 5/610:15 pm
ONT
-
BDL
1 stop9h 32m
Delta
Sat 5/92:07 pm
BDL
-
ONT
1 stop10h 41m
Delta
Deal found 3/25$326
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.
Tue 4/2110:15 pm
ONT
-
BDL
1 stop9h 25m
Delta
Sat 4/252:21 pm
BDL
-
ONT
1 stop9h 39m
Delta
Deal found 3/24$348
This Delta deal was found by Cheapflights users on 3/25. 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 5/610:15 pm
ONT
-
BDL
1 stop9h 32m
Delta
Fri 5/82:07 pm
BDL
-
ONT
1 stop10h 41m
Delta
Deal found 3/25$356
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.
Wed 4/1510:26 pm
ONT
-
BDL
1 stop7h 44m
American Airlines
Mon 4/206:43 pm
BDL
-
ONT
1 stop8h 03m
American Airlines
Deal found 3/24$358
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:29 pm
ONT
-
BDL
1 stop7h 51m
American Airlines
Sat 4/256:00 am
BDL
-
ONT
1 stop10h 18m
American Airlines
Deal found 3/25$359
This Southwest deal was found by Cheapflights users on 3/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:55 pm
ONT
-
BDL
1 stop7h 15m
Southwest
Sun 6/77:15 pm
BDL
-
ONT
1 stop8h 10m
Southwest
Deal found 3/23$375

Find flight deals from Ontario to Hartford

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Hartford (BDL). 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 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$326
(Delta)

One-way from

$147
(American Airlines)

Popular in

May

Cheapest in

September

Average price

$493
Provider with most accurate pricing for Ontario-Hartford Bradley Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Hartford Bradley Intl flights.
Search Deals
From Ontario to Hartford Bradley Intl
Search Deals
One-way flight from Ontario to Hartford Bradley Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Hartford 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 26, 2026.
Use the filters below to find and compare flights from Ontario to Hartford that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Tue 5/26

9:45 pm-10:40 am

2 stops9h 55m

Hartford Bradley Intl

Sun 6/7

7:15 pm-12:25 am

1 stop8h 10m

$380

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Mon 5/18

11:55 pm-10:40 am

1 stop7h 45m

Hartford Bradley Intl

Mon 6/1

12:35 pm-8:40 pm

2 stops11h 05m

$411
Quickest round-trip

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Tue 5/5

1:40 pm-11:57 pm

1 stop7h 17m

Hartford Bradley Intl

Sat 5/9

12:40 pm-6:01 pm

1 stop8h 21m

$434

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Thu 5/7

5:50 pm-8:42 am

2 stops11h 52m

Hartford Bradley Intl

Thu 5/21

4:59 pm-11:34 pm

2 stops9h 35m

$437

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Fri 5/8

10:00 pm-10:47 am

1 stop9h 47m

Hartford Bradley Intl

Thu 5/14

5:30 am-12:19 pm

2 stops9h 49m

$452

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Wed 5/13

9:45 pm-10:40 am

2 stops9h 55m

Hartford Bradley Intl

Thu 5/21

11:40 am-8:05 pm

2 stops11h 25m

$452

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Fri 8/21

10:59 pm-10:50 am

1 stop8h 51m

Hartford Bradley Intl

Wed 9/2

6:00 am-11:04 am

1 stop8h 04m

$457

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Thu 7/9

9:40 pm-8:05 am

1 stop7h 25m

Hartford Bradley Intl

Tue 7/14

12:40 pm-5:55 pm

1 stop8h 15m

$457

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Fri 7/3

11:55 pm-11:45 am

2 stops8h 50m

Hartford Bradley Intl

Sat 7/11

12:10 pm-5:35 pm

1 stop8h 25m

$462

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Thu 7/30

7:05 am-8:18 pm

1 stop10h 13m

Hartford Bradley Intl

Fri 8/7

11:35 am-6:23 pm

1 stop9h 48m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Ontario to Hartford

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 Hartford in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Ontario-Hartford flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Hartford flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Hartford flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Hartford 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-Hartford 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 Hartford

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

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

Currently, February is the cheapest month in which you can book a flight from Ontario to Hartford (average of $116). Flying from Ontario to Hartford in March is currently the most expensive (average of $276). 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.

How much does it cost to fly round-trip from Ontario to Hartford?

Reviews of airlines servicing Hartford

Get insights into the airlines that provide service to Hartford. 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 Hartford. Reviews last updated March 26, 2026.
Read through reviews of airlines operating flights from Ontario to Hartford, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,333 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.
Southwest
8.0
Very good
4,333 reviews
Southwest
8.0
Very good
4,333 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.
Delta
7.9
Good
8,331 reviews
Southwest
8.0
Very good
4,333 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.
United Airlines
7.4
Good
9,484 reviews
Southwest
8.0
Very good
4,333 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.
American Airlines
7.1
Good
11,495 reviews
Southwest
8.0
Very good
4,333 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.

Related info for your journey

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

  • How long is the flight from Ontario to Hartford?

    A quick flight from Ontario to Hartford can take about 7h 17m. Southwest provides one of the quickest options available for as low as $434. The distance between Ontario and Hartford is about 2474 mi. This flight may include one or multiple stops.

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

    Flying on Delta is currently your cheapest option to Hartford, with prices starting at $258. Additional round-trip tickets that might be worth considering are offered by American Airlines and Southwest, with the lowest prices starting at $324 and $338, respectively. Users have found that Delta is 42% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $105. Southwest flights start at $136 while deals on United Airlines start at $150 one-way.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Ontario to Hartford (average of $116). Flying from Ontario to Hartford in March is currently the most expensive (average of $276). 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

Traveling to a place near Hartford?

Book flights to Hartford if you plan to visit one of these locations
New Britain
Enfield
Uncasville
Cromwell
Windsor Locks
Farmington
Windsor
Southington
East Hartford
Rocky Hill
Northampton
Westfield
Glastonbury
Meriden
West Springfield
Newington
Lee
West Hartford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Hartford

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Newark flights
San Francisco to John F Kennedy Intl flights
Los Angeles to John F Kennedy Intl flights
San Francisco to LaGuardia flights
Los Angeles to Newark flights
Los Angeles to LaGuardia flights
San Diego to John F Kennedy Intl flights
Ontario to John F Kennedy Intl flights
Santa Ana to Newark flights
Burbank to LaGuardia flights
San Diego to Newark flights
Ontario to Newark flights
Burbank to Newark flights
San Jose to John F Kennedy Intl flights
San Jose to Newark flights
Las Vegas to John F Kennedy Intl flights
Oakland to John F Kennedy Intl flights
Ontario to LaGuardia flights
Santa Ana to LaGuardia flights
Santa Ana to John F Kennedy Intl flights
Oakland to Newark flights
San Diego to LaGuardia flights
Sacramento to Newark flights
Las Vegas to Newark flights
Sacramento to John F Kennedy Intl flights
San Jose to LaGuardia flights
Las Vegas to LaGuardia flights
Burbank to John F Kennedy Intl flights
Sacramento to LaGuardia flights
Los Angeles to Hartford flights
San Jose to Providence flights
Palm Springs to John F Kennedy Intl flights
Oakland to LaGuardia flights
Los Angeles to Providence flights
San Francisco to Providence flights
Fresno to John F Kennedy Intl flights
San Francisco to Hartford flights
Reno to Newark flights
Palm Springs to Newark flights
Long Beach to John F Kennedy Intl flights
Reno to LaGuardia flights
Fresno to LaGuardia flights
Fresno to Newark flights
Long Beach to Newark flights
Palm Springs to LaGuardia flights
Santa Ana to Hartford flights
Ontario to Providence flights

Top 4 airlines flying from Ontario to Hartford

Discover the top 4 airlines that operate flights from Ontario to Hartford. 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 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$381FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$324Average$449FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$338Average$436FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$342Average$523FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.