$126+ Cheap flights from Ontario (ONT) to Massachusetts
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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BOS
Jul 16 — Jul 231
Round-trip
1 adult, Economy
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Cheapest flights from Ontario to MassachusettsExplore the most affordable flight options available from Ontario to Massachusetts. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.
Explore the most affordable flight options available from Ontario to Massachusetts. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.
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.
Tue 8/187:25 am
ONT
- BOS
1 stop11h 45m
Southwest
Wed 8/262:45 pm
BOS
- ONT
2 stops10h 15m
Southwest
Deal found 6/11![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 6/12. 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 8/267:25 am
ONT
- BOS
1 stop11h 45m
Southwest
Sat 8/295:00 am
BOS
- ONT
1 stop12h 30m
Southwest
Deal found 6/12![Southwest logo]()
$248
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.
Tue 8/1812:59 pm
ONT
- BOS
1 stop7h 25m
American Airlines
Wed 8/266:30 am
BOS
- ONT
1 stop8h 33m
American Airlines
Deal found 6/11![American Airlines logo]()
$253
This Super.com deal was found by Cheapflights users on 6/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:50 pm
ONT
- BOS
1 stop8h 26m
JetBlue
Fri 8/214:30 pm
BOS
- ONT
1 stop9h 05m
JetBlue
Deal found 6/15![JetBlue logo]()
$255
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:50 pm
ONT
- BOS
1 stop8h 26m
JetBlue
Thu 8/274:30 pm
BOS
- ONT
1 stop9h 05m
JetBlue
Deal found 6/11![JetBlue logo]()
$256
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:51 pm
ONT
- BOS
1 stop8h 35m
JetBlue
Wed 8/124:30 pm
BOS
- ONT
1 stop9h 05m
JetBlue
Deal found 6/11![JetBlue logo]()
$257
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:50 pm
ONT
- BOS
1 stop11h 31m
JetBlue
Fri 8/144:30 pm
BOS
- ONT
1 stop9h 05m
JetBlue
Deal found 6/11![JetBlue logo]()
$265
This Super.com deal was found by Cheapflights users on 6/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:50 pm
ONT
- BOS
1 stop8h 26m
JetBlue
Mon 8/314:30 pm
BOS
- ONT
1 stop9h 05m
JetBlue
Deal found 6/15![JetBlue logo]()
$268
This JetBlue deal was found by Cheapflights users on 6/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:50 pm
ONT
- BOS
1 stop8h 26m
JetBlue
Fri 8/284:30 pm
BOS
- ONT
1 stop9h 05m
JetBlue
Deal found 6/16![JetBlue logo]()
$275
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 8/410:25 am
ONT
- BDL
1 stop10h 06m
American Airlines
Tue 8/186:00 am
BDL
- ONT
1 stop10h 31m
American Airlines
Deal found 6/16![American Airlines logo]()
$355
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 9/911:55 pm
ONT
- BDL
1 stop9h 05m
Southwest
Mon 9/143:40 pm
BDL
- ONT
2 stops9h 30m
Southwest
Deal found 6/11![Southwest logo]()
$364
This Delta deal was found by Cheapflights users on 6/14. 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 9/112:00 pm
ONT
- BDL
1 stop8h 58m
Delta
Sat 9/56:00 am
BDL
- ONT
1 stop7h 42m
Delta
Deal found 6/14![Delta logo]()
$368
Best flights from Ontario to MassachusettsDiscover carefully curated flight deals from Ontario to Massachusetts that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
Discover carefully curated flight deals from Ontario to Massachusetts that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
This JetBlue deal was found by Cheapflights users on 6/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:50 pm
ONT
- BOS
1 stop8h 31m
JetBlue
Tue 8/182:45 pm
BOS
- ONT
1 stop10h 50m
JetBlue
Deal found 6/14![JetBlue logo]()
$265
This Southwest deal was found by Cheapflights users on 6/15. 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 9/237:40 am
ONT
- BOS
2 stops10h 45m
Southwest
Wed 9/3010:05 am
BOS
- ONT
2 stops10h 30m
Southwest
Deal found 6/15![Southwest logo]()
$337
This Delta deal was found by Cheapflights users on 6/15. 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 10/1512:00 pm
ONT
- ALB
1 stop8h 34m
Delta
Mon 10/196:00 am
ALB
- ONT
2 stops13h 12m
Delta
Deal found 6/15![Delta logo]()
$408
This United Airlines deal was found by Cheapflights users on 6/14. 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 9/225:00 am
ONT
- BDL
1 stop7h 43m
United Airlines
Tue 9/295:03 pm
BDL
- ONT
1 stop8h 46m
United Airlines
Deal found 6/14![United Airlines logo]()
$465
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.
Tue 8/187:45 am
ONT
- BOS
2 stops10h 40m
Southwest
Sat 8/221:00 pm
BOS
- ONT
2 stops10h 05m
Southwest
Deal found 6/11![Southwest logo]()
$362
This JetBlue deal was found by Cheapflights users on 6/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:10 pm
ONT
- BOS
1 stop10h 36m
JetBlue
Tue 10/61:00 pm
BOS
- ONT
1 stop10h 13m
JetBlue
Deal found 6/13![JetBlue logo]()
$373
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:40 am
ONT
- BOS
2 stops9h 15m
Southwest
Sun 11/15:00 am
BOS
- ONT
1 stop12h 05m
Southwest
Deal found 6/16![Southwest logo]()
$363
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 9/911:55 pm
ONT
- BDL
1 stop9h 05m
Southwest
Mon 9/143:40 pm
BDL
- ONT
2 stops9h 30m
Southwest
Deal found 6/11![Southwest logo]()
$364
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:50 am
ONT
- ALB
1 stop9h 09m
Delta
Thu 7/96:00 am
ALB
- ONT
1 stop7h 38m
Delta
Deal found 6/11![Delta logo]()
$456
This JetBlue deal was found by Cheapflights users on 6/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:10 pm
ONT
- BOS
1 stop10h 36m
JetBlue
Mon 10/124:00 pm
BOS
- ONT
1 stop9h 09m
JetBlue
Deal found 6/14![JetBlue logo]()
$416
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:00 am
ONT
- BDL
1 stop7h 43m
United Airlines
Sat 8/294:50 pm
BDL
- ONT
1 stop8h 45m
United Airlines
Deal found 6/11![United Airlines logo]()
$495
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 7/225:30 am
ONT
- BOS
2 stops9h 30m
Southwest
Thu 7/306:25 am
BOS
- ONT
1 stop8h 45m
Southwest
Deal found 6/11![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 6/15. 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 8/2112:00 pm
ONT
- BDL
1 stop8h 58m
Delta
Wed 9/26:00 am
BDL
- ONT
1 stop7h 42m
Delta
Deal found 6/15![Delta logo]()
$477
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/116:10 am
ONT
- BOS
1 stop8h 21m
United Airlines
Sat 7/256:00 am
BOS
- ONT
1 stop9h 12m
United Airlines
Deal found 6/15![United Airlines logo]()
$503
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/277:05 am
ONT
- BDL
1 stop8h 05m
Delta
Tue 7/76:00 am
BDL
- ONT
1 stop7h 38m
Delta
Deal found 6/11![Delta logo]()
$483
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/46:10 am
ONT
- BOS
1 stop10h 20m
United Airlines
Fri 7/105:00 pm
BOS
- ONT
1 stop8h 51m
United Airlines
Deal found 6/12![United Airlines logo]()
$512
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2111:51 pm
ONT
- PVC
2 stops12h 34m
Multiple Airlines
Tue 7/286:45 am
PVC
- ONT
2 stops12h 45m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,241
This Southwest deal was found by Cheapflights users on 6/15. 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 9/1711:55 pm
ONT
- ALB
1 stop8h 15m
Southwest
Mon 9/213:10 pm
ALB
- ONT
2 stops10h 00m
Southwest
Deal found 6/15![Southwest logo]()
$435
This Delta deal was found by Cheapflights users on 6/15. 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 8/2310:00 pm
ONT
- BDL
1 stop9h 25m
Delta
Mon 8/316:00 am
BDL
- ONT
1 stop7h 42m
Delta
Deal found 6/15![Delta logo]()
$509
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/271:18 pm
ONT
- BOS
1 stop7h 26m
United Airlines
Sat 7/47:45 am
BOS
- ONT
1 stop8h 02m
United Airlines
Deal found 6/11![United Airlines logo]()
$513
This Southwest deal was found by Cheapflights users on 6/12. 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 7/109:40 am
ONT
- BOS
2 stops10h 50m
Southwest
Fri 7/176:25 am
BOS
- ONT
1 stop8h 45m
Southwest
Deal found 6/12![Southwest logo]()
$438
This Delta deal was found by Cheapflights users on 6/13. 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 7/910:00 pm
ONT
- BDL
1 stop9h 30m
Delta
Tue 7/146:00 am
BDL
- ONT
1 stop7h 38m
Delta
Deal found 6/13![Delta logo]()
$513
This Southwest deal was found by Cheapflights users on 6/15. 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.
Mon 7/209:40 pm
ONT
- BOS
2 stops10h 15m
Southwest
Tue 8/1110:05 am
BOS
- ONT
2 stops10h 30m
Southwest
Deal found 6/15![Southwest logo]()
$450
This United Airlines deal was found by Cheapflights users on 6/12. 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 9/11:18 pm
ONT
- ALB
1 stop7h 17m
United Airlines
Wed 9/28:10 am
ALB
- ONT
2 stops14h 51m
United Airlines
Deal found 6/12![United Airlines logo]()
$557
This Southwest deal was found by Cheapflights users on 6/12. 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 9/118:30 am
ONT
- BDL
2 stops10h 40m
Southwest
Mon 9/213:40 pm
BDL
- ONT
2 stops9h 30m
Southwest
Deal found 6/12![Southwest logo]()
$459
This Southwest deal was found by Cheapflights users on 6/12. 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.
Sat 7/49:40 pm
ONT
- BDL
1 stop7h 15m
Southwest
Fri 7/102:50 pm
BDL
- ONT
1 stop10h 35m
Southwest
Deal found 6/12![Southwest logo]()
$461
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/257:00 am
ONT
- ALB
1 stop7h 42m
United Airlines
Mon 8/314:00 pm
ALB
- ONT
1 stop9h 35m
United Airlines
Deal found 6/14![United Airlines logo]()
$615
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/31:18 pm
ONT
- ALB
1 stop7h 12m
United Airlines
Fri 7/104:23 pm
ALB
- ONT
1 stop9h 28m
United Airlines
Deal found 6/12![United Airlines logo]()
$627
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.
Mon 7/209:40 pm
ONT
- ALB
2 stops10h 05m
Southwest
Fri 7/243:00 pm
ALB
- ONT
2 stops11h 35m
Southwest
Deal found 6/11![Southwest logo]()
$497
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Thu 8/137:13 pm
ONT
- ALB
2 stops12h 11m
United Airlines
Sat 8/154:15 pm
ALB
- ONT
1 stop9h 20m
United Airlines
Deal found 6/15![United Airlines logo]()
$660
Last-minute flights from Ontario to MassachusettsDiscover last-minute flight deals from Ontario to Massachusetts. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Massachusetts. Data last updated June 16, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/15. 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 7/77:15 pm
ONT
- BOS
1 stop7h 30m
American Airlines
Wed 7/296:00 am
BOS
- ONT
1 stop8h 45m
American Airlines
Deal found 6/15![American Airlines logo]()
$348
This Southwest deal was found by Cheapflights users on 6/14. 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 7/71:20 pm
ONT
- BOS
1 stop8h 30m
Southwest
Tue 7/283:45 pm
BOS
- ONT
2 stops10h 05m
Southwest
Deal found 6/14![Southwest logo]()
$353
This American Airlines deal was found by Cheapflights users on 6/13. 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 7/87:15 pm
ONT
- BDL
2 stops12h 07m
American Airlines
Wed 7/155:28 pm
BDL
- ONT
1 stop8h 06m
American Airlines
Deal found 6/13![American Airlines logo]()
$360
This JetBlue deal was found by Cheapflights users on 6/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:51 pm
ONT
- BOS
1 stop8h 42m
JetBlue
Tue 9/12:45 pm
BOS
- ONT
1 stop10h 50m
JetBlue
Deal found 6/12![JetBlue logo]()
$296
This Southwest deal was found by Cheapflights users on 6/15. 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.
Mon 7/1311:55 pm
ONT
- BOS
1 stop9h 20m
Southwest
Tue 9/17:30 am
BOS
- ONT
2 stops9h 55m
Southwest
Deal found 6/15![Southwest logo]()
$357
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.
Tue 7/142:50 pm
ONT
- BOS
1 stop7h 00m
Southwest
Tue 7/215:25 am
BOS
- ONT
1 stop9h 40m
Southwest
Deal found 6/11![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 6/14. 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 7/142:50 pm
ONT
- BOS
1 stop7h 00m
Southwest
Tue 7/285:25 am
BOS
- ONT
1 stop9h 40m
Southwest
Deal found 6/14![Southwest logo]()
$358
This Southwest deal was found by Cheapflights users on 6/15. 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.
Sat 7/259:40 pm
ONT
- BOS
1 stop9h 10m
Southwest
Tue 7/285:25 am
BOS
- ONT
1 stop9h 40m
Southwest
Deal found 6/15![Southwest logo]()
$352
This JetBlue deal was found by Cheapflights users on 6/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:51 pm
ONT
- BOS
1 stop8h 35m
JetBlue
Tue 7/282:45 pm
BOS
- ONT
1 stop10h 50m
JetBlue
Deal found 6/13![JetBlue logo]()
$356
This JetBlue deal was found by Cheapflights users on 6/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:51 pm
ONT
- BOS
1 stop8h 42m
JetBlue
Wed 8/194:30 pm
BOS
- ONT
1 stop9h 05m
JetBlue
Deal found 6/15![JetBlue logo]()
$306
This JetBlue deal was found by Cheapflights users on 6/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:51 pm
ONT
- BOS
1 stop11h 31m
JetBlue
Tue 8/42:45 pm
BOS
- ONT
1 stop10h 50m
JetBlue
Deal found 6/12![JetBlue logo]()
$346
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:51 pm
ONT
- BOS
1 stop8h 42m
JetBlue
Wed 8/54:30 pm
BOS
- ONT
1 stop9h 05m
JetBlue
Deal found 6/11![JetBlue logo]()
$355
One-way flights from Ontario to MassachusettsSearch for one-way flight options from Ontario to Massachusetts. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
Search for one-way flight options from Ontario to Massachusetts. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:51 pm
ONT
- BOS
1 stop8h 42m
JetBlue
Deal found 6/11![JetBlue logo]()
$126
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:51 pm
ONT
- BOS
1 stop8h 42m
JetBlue
Deal found 6/11![JetBlue logo]()
$127
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:51 pm
ONT
- BOS
1 stop8h 35m
JetBlue
Deal found 6/11![JetBlue logo]()
$133
This Super.com deal was found by Cheapflights users on 6/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:50 pm
ONT
- BOS
1 stop8h 26m
JetBlue
Deal found 6/16![JetBlue logo]()
$135
This JetBlue deal was found by Cheapflights users on 6/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/211:58 pm
ONT
- BOS
1 stop8h 35m
JetBlue
Deal found 6/15![JetBlue logo]()
$138
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:05 pm
ONT
- BOS
1 stop10h 25m
Delta
Deal found 6/11![Delta logo]()
$149
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:14 pm
ONT
- BOS
1 stop8h 55m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$150
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:12 am
ONT
- BOS
1 stop19h 57m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$155
This Super.com deal was found by Cheapflights users on 6/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:18 pm
ONT
- BOS
1 stop9h 15m
JetBlue
Deal found 6/12![JetBlue logo]()
$159
This Delta deal was found by Cheapflights users on 6/12. 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 7/47:05 am
ONT
- BOS
1 stop8h 00m
Delta
Deal found 6/12![Delta logo]()
$164
This Super.com deal was found by Cheapflights users on 6/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:51 pm
ONT
- BOS
1 stop8h 42m
JetBlue
Deal found 6/15![JetBlue logo]()
$165
This Delta deal was found by Cheapflights users on 6/14. 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 8/117:05 am
ONT
- BDL
1 stop10h 13m
Delta
Deal found 6/14![Delta logo]()
$178
Find flight deals from Ontario to Massachusetts
Keep the following information in mind while searching for Ontario to Massachusetts flight deals. Data was last updated June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Southwest) |
One-way from | $126 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $482 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Massachusetts 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 16, 2026.
Use the filters below to find and compare flights from Ontario to Massachusetts that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioBoston
ONT - BOS
ONTBOS
Ontario
Sun 8/9
11:50 pm-11:21 am
1 stop8h 31m
Boston Logan Intl
Tue 8/18
2:45 pm-10:35 pm
1 stop10h 50m
$265
OntarioBoston
ONT - BOS
ONTBOS
Ontario
Wed 9/23
7:40 am-9:25 pm
2 stops10h 45m
Boston Logan Intl
Wed 9/30
10:05 am-5:35 pm
2 stops10h 30m
$337
OntarioBoston
ONT - BOS
ONTBOS
Ontario
Tue 8/18
7:45 am-9:25 pm
2 stops10h 40m
Boston Logan Intl
Sat 8/22
1:00 pm-8:05 pm
2 stops10h 05m
$362
OntarioBoston
ONT - BOS
ONTBOS
Ontario
Thu 10/29
5:40 am-5:55 pm
2 stops9h 15m
Boston Logan Intl
Sun 11/1
5:00 am-2:05 pm
1 stop12h 05m
$363
OntarioHartford
ONT - BDL
ONTBDL
Ontario
Wed 9/9
11:55 pm-12:00 pm
1 stop9h 05m
Hartford Bradley Intl
Mon 9/14
3:40 pm-10:10 pm
2 stops9h 30m
$364
OntarioBoston
ONT - BOS
ONTBOS
Ontario
Sat 9/26
9:10 pm-10:46 am
1 stop10h 36m
Boston Logan Intl
Tue 10/6
1:00 pm-8:13 pm
1 stop10h 13m
$373
OntarioBoston
ONT - BOS
ONTBOS
Ontario
Wed 7/22
5:30 am-6:00 pm
2 stops9h 30m
Boston Logan Intl
Thu 7/30
6:25 am-12:10 pm
1 stop8h 45m
$382
OntarioAlbany
ONT - ALB
ONTALB
Ontario
Thu 10/15
12:00 pm-11:34 pm
1 stop8h 34m
Albany Intl
Mon 10/19
6:00 am-4:12 pm
2 stops13h 12m
$408
OntarioBoston
ONT - BOS
ONTBOS
Ontario
Mon 10/5
9:10 pm-10:46 am
1 stop10h 36m
Boston Logan Intl
Mon 10/12
4:00 pm-10:09 pm
1 stop9h 09m
$416
OntarioAlbany
ONT - ALB
ONTALB
Ontario
Thu 9/17
11:55 pm-11:10 am
1 stop8h 15m
Albany Intl
Mon 9/21
3:10 pm-10:10 pm
2 stops10h 00m
$435
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Massachusetts
Have a flexible travel schedule? Discover the best time to fly to Massachusetts from Ontario with our price prediction graph.
ONT-BOS
ONT-BDL
ONT-ALB
ONT-PVC
ONT-ORH
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 Massachusetts
ONT-USMA
ONT-BOS
ONT-BDL
ONT-ALB
ONT-PVC
What is the cheapest month to book a flight from Ontario to Massachusetts?
Currently, March is the cheapest month in which you can book a flight from Ontario to Massachusetts (average of $128). Flying from Ontario to Massachusetts in July is currently the most expensive (average of $312). 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 Massachusetts?
How far ahead should I book a flight from Ontario to Massachusetts?
Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Massachusetts. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Massachusetts
Get insights into the airlines that provide service to Massachusetts. 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 Massachusetts. Reviews last updated June 16, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Ontario to Massachusetts by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Ontario to Massachusetts. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Massachusetts
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Complete your trip
Complete your trip to Massachusetts by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Massachusetts by cabin class
Find flights from Ontario to Massachusetts, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Massachusetts flights
Browse other Ontario and Massachusetts flight options. Last updated on June 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Massachusetts flights
Consider these flights traveling from Ontario to Massachusetts.
Top 5 airlines flying from Ontario to Massachusetts
Discover the top 5 airlines that operate flights from Ontario to Massachusetts. 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 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$158 | Average$358 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$223 | Average$333 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$242 | Average$409 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$398 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$302 | Average$433 | FlexibilityNo cancel fee | On-time63% |