$174+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — ONT
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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Find cheap flights from Hartford to Ontario 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 Hartford to Ontario
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Cheapest flights from Hartford to OntarioExplore 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 August 21, 2026.
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 August 21, 2026.
This Delta deal was found by Cheapflights users on 8/17. 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 12/52:20 pm -
1 stop8h 21m
Wed 12/912:22 pm -
1 stop8h 23m
Deal found 8/17![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:50 pm -
1 stop9h 09m
Tue 9/159:01 am -
2 stops11h 42m
Deal found 8/19![United Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:26 am -
2 stops9h 40m
Tue 9/158:25 am -
2 stops11h 31m
Deal found 8/19![American Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 8/17. 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 12/42:20 pm -
1 stop10h 39m
Mon 12/712:22 pm -
1 stop8h 23m
Deal found 8/17![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
2 stops10h 10m
Sat 9/2611:55 pm -
1 stop8h 25m
Deal found 8/20![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/53:36 pm -
1 stop8h 17m
Sat 9/191:18 pm -
1 stop7h 25m
Deal found 8/17![United Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Sun 12/65:51 pm -
1 stop15h 24m
Wed 12/910:32 pm -
1 stop28h 43m
Deal found 8/17![Multiple Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:52 pm -
2 stops13h 07m
Sat 9/126:00 am -
2 stops13h 58m
Deal found 8/19![American Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 8/20. 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.
Sun 9/66:00 am -
1 stop7h 42m
Fri 9/1112:17 pm -
1 stop8h 42m
Deal found 8/20![Delta logo]()
$401
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:30 am -
2 stops10h 55m
Sat 9/196:15 am -
2 stops13h 43m
Deal found 8/19![American Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 12/21:39 pm -
2 stops13h 41m
Wed 12/910:32 pm -
1 stop28h 43m
Deal found 8/17![Multiple Airlines logo]()
$407
Best flights from Hartford to OntarioDiscover carefully curated flight deals from Hartford to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
Discover carefully curated flight deals from Hartford to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
This Delta deal was found by Cheapflights users on 8/16. 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 9/152:05 pm -
1 stop9h 19m
Wed 9/1612:17 pm -
1 stop8h 42m
Deal found 8/16![Delta logo]()
$363
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:10 am -
1 stop11h 10m
Fri 9/1811:55 pm -
1 stop8h 10m
Deal found 8/20![Southwest logo]()
$449
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Tue 9/156:00 am -
2 stops11h 01m
Tue 9/221:18 pm -
1 stop7h 25m
Deal found 8/20![United Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 8/19. 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.
Sat 1/306:00 am -
1 stop8h 27m
Thu 2/47:00 am -
1 stop8h 00m
Deal found 8/19![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 8/20. 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 9/56:00 am -
1 stop7h 42m
Sun 9/67:05 am -
1 stop8h 45m
Deal found 8/20![Delta logo]()
$411
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Tue 1/266:00 am -
2 stops14h 47m
Sat 1/306:53 pm -
2 stops12h 32m
Deal found 8/20![United Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 8/20. 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 10/176:00 am -
1 stop8h 06m
Tue 10/207:07 am -
1 stop7h 52m
Deal found 8/20![Delta logo]()
$411
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/119:15 am -
2 stops11h 56m
Sat 9/121:18 pm -
1 stop7h 25m
Deal found 8/20![United Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/712:40 pm -
1 stop9h 07m
Sun 11/155:00 am -
1 stop7h 56m
Deal found 8/17![United Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/154:50 pm -
1 stop9h 09m
Wed 9/169:01 am -
2 stops11h 58m
Deal found 8/16![United Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:37 am -
2 stops13h 38m
Sun 11/11:29 pm -
1 stop7h 15m
Deal found 8/19![United Airlines logo]()
$530
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/123:36 pm -
1 stop8h 17m
Mon 9/141:56 pm -
2 stops16h 41m
Deal found 8/20![United Airlines logo]()
$563
Last-minute flights from Hartford to OntarioDiscover last-minute flight deals from Hartford to Ontario. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Hartford to Ontario. Data last updated August 21, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/53:36 pm -
1 stop8h 17m
Sat 9/191:18 pm -
1 stop7h 25m
Deal found 8/17![United Airlines logo]()
$387
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:52 pm -
2 stops13h 07m
Sat 9/126:00 am -
2 stops13h 58m
Deal found 8/19![American Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 8/20. 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 9/56:00 am -
1 stop7h 42m
Wed 9/912:17 pm -
1 stop8h 42m
Deal found 8/20![Delta logo]()
$411
This Delta deal was found by Cheapflights users on 8/20. 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.
Sun 9/66:00 am -
1 stop7h 42m
Fri 9/1112:17 pm -
1 stop8h 42m
Deal found 8/20![Delta logo]()
$401
This Delta deal was found by Cheapflights users on 8/19. 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.
Wed 9/96:00 am -
1 stop8h 05m
Tue 9/1512:17 pm -
1 stop8h 42m
Deal found 8/19![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:50 pm -
1 stop9h 09m
Tue 9/159:01 am -
2 stops11h 42m
Deal found 8/19![United Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:26 am -
2 stops9h 40m
Tue 9/158:25 am -
2 stops11h 31m
Deal found 8/19![American Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 8/20. 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.
Thu 9/106:00 am -
1 stop8h 05m
Fri 9/1112:17 pm -
1 stop8h 42m
Deal found 8/20![Delta logo]()
$377
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:30 am -
2 stops10h 55m
Sat 9/196:15 am -
2 stops13h 43m
Deal found 8/19![American Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 8/16. 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 9/196:37 am -
1 stop8h 10m
Sat 9/266:00 am -
1 stop8h 30m
Deal found 8/16![American Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
2 stops10h 10m
Sat 9/2611:55 pm -
1 stop8h 25m
Deal found 8/20![Southwest logo]()
$382
One-way flights from Hartford to OntarioSearch for one-way flight options from Hartford to Ontario. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
Search for one-way flight options from Hartford to Ontario. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sat 9/121:39 pm -
2 stops13h 08m
Deal found 8/18![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Sat 10/31:39 pm -
2 stops13h 08m
Deal found 8/17![Multiple Airlines logo]()
$180
This Delta deal was found by Cheapflights users on 8/18. 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 10/136:00 am -
1 stop8h 06m
Deal found 8/18![Delta logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/238:15 am -
3 stops18h 32m
Deal found 8/17![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 10/137:05 am -
3 stops43h 45m
Deal found 8/17![Multiple Airlines logo]()
$186
This Southwest deal was found by Cheapflights users on 8/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:45 am -
1 stop13h 30m
Deal found 8/19![Southwest logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:05 am -
3 stops19h 42m
Deal found 8/19![Multiple Airlines logo]()
$195
This Delta deal was found by Cheapflights users on 8/19. 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.
Fri 10/25:21 pm -
1 stop8h 03m
Deal found 8/19![Delta logo]()
$196
This Delta deal was found by Cheapflights users on 8/17. 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.
Thu 9/106:00 am -
1 stop8h 05m
Deal found 8/17![Delta logo]()
$206
Find 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 August 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $363 (Delta) |
One-way from | $174 (Kiwi.com) |
Popular in | September |
Cheapest in | May |
Average price | $430 |
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 7,457,451 searches. Data last updated August 21, 2026.
Use the filters below to find and compare flights from Hartford to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HartfordOntario
BDL Hartford Bradley Intl - ONT Ontario
BDLONT
Hartford Bradley Intl
Tue 9/15
2:05 pm-8:24 pm
1 stop9h 19m
Ontario
Wed 9/16
12:17 pm-11:59 pm
1 stop8h 42m
$363
HartfordOntario
BDL Hartford Bradley Intl - ONT Ontario
BDLONT
Hartford Bradley Intl
Sat 1/30
6:00 am-11:27 am
1 stop8h 27m
Ontario
Thu 2/4
7:00 am-6:00 pm
1 stop8h 00m
$363
HartfordOntario
BDL Hartford Bradley Intl - ONT Ontario
BDLONT
Hartford Bradley Intl
Sat 9/5
6:00 am-10:42 am
1 stop7h 42m
Ontario
Sun 9/6
7:05 am-6:50 pm
1 stop8h 45m
$411
Quickest round-trip
HartfordOntario
BDL Hartford Bradley Intl - ONT Ontario
BDLONT
Hartford Bradley Intl
Sat 10/17
6:00 am-11:06 am
1 stop8h 06m
Ontario
Tue 10/20
7:07 am-5:59 pm
1 stop7h 52m
$411
HartfordOntario
BDL Hartford Bradley Intl - ONT Ontario
BDLONT
Hartford Bradley Intl
Fri 9/11
11:10 am-7:20 pm
1 stop11h 10m
Ontario
Fri 9/18
11:55 pm-11:05 am
1 stop8h 10m
$449
HartfordOntario
BDL Hartford Bradley Intl - ONT Ontario
BDLONT
Hartford Bradley Intl
Tue 9/15
6:00 am-2:01 pm
2 stops11h 01m
Ontario
Tue 9/22
1:18 pm-11:43 pm
1 stop7h 25m
$478
HartfordOntario
BDL Hartford Bradley Intl - ONT Ontario
BDLONT
Hartford Bradley Intl
Tue 1/26
6:00 am-5:47 pm
2 stops14h 47m
Ontario
Sat 1/30
6:53 pm-10:25 am
2 stops12h 32m
$483
HartfordOntario
BDL Hartford Bradley Intl - ONT Ontario
BDLONT
Hartford Bradley Intl
Fri 9/11
9:15 am-6:11 pm
2 stops11h 56m
Ontario
Sat 9/12
1:18 pm-11:43 pm
1 stop7h 25m
$492
HartfordOntario
BDL Hartford Bradley Intl - ONT Ontario
BDLONT
Hartford Bradley Intl
Sat 11/7
12:40 pm-6:47 pm
1 stop9h 07m
Ontario
Sun 11/15
5:00 am-3:56 pm
1 stop7h 56m
$525
HartfordOntario
BDL Hartford Bradley Intl - ONT Ontario
BDLONT
Hartford Bradley Intl
Tue 9/15
4:50 pm-10:59 pm
1 stop9h 09m
Ontario
Wed 9/16
9:01 am-11:59 pm
2 stops11h 58m
$526
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Hartford 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 Hartford to Ontario in August.
| 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 Hartford-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hartford-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hartford-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Hartford-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 Hartford-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 Hartford to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Hartford with our price prediction graph.
BDL-ONT
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
What is the cheapest month to book a flight from Hartford to Ontario?
Currently, May is the cheapest month in which you can book a flight from Hartford to Ontario (average of $392). Flying from Hartford to Ontario in September is currently the most expensive (average of $621). 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 Hartford to Ontario?
Airfare is below average for this route at the moment.
Hartford to Ontario flights typically cost between $364 and $662 in December.The cheapest round-trip price found within the last 5 days was $363 on Delta (Dec 5-Dec 7).
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 August 21, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Hartford to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
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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 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$312 | Average$531 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$312 | Average$477 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$316 | Average$657 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$392 | Average$497 | FlexibilityNo cancel fee | On-time71% |