$181+ Cheap flights from New Hampshire to Ontario (ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — ONT
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from New Hampshire 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
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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 New Hampshire to Ontario
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Cheapest flights from New Hampshire to OntarioExplore the most affordable flight options available from New Hampshire to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from New Hampshire to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/28. 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 12/74:03 pm -
1 stop9h 04m
Tue 12/157:00 am -
2 stops13h 59m
Deal found 10/28![American Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 10/28. 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 12/72:10 pm -
2 stops10h 35m
Tue 12/158:55 am -
2 stops10h 15m
Deal found 10/28![Southwest logo]()
$321
This Southwest deal was found by Cheapflights users on 10/28. 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 12/22:10 pm -
2 stops10h 35m
Wed 12/910:55 am -
1 stop7h 25m
Deal found 10/28![Southwest logo]()
$349
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Fri 12/410:51 am -
2 stops15h 57m
Tue 12/810:32 am -
2 stops10h 27m
Deal found 10/26![American Airlines logo]()
$517
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/237:07 pm -
2 stops20h 38m
Sat 12/56:00 am -
2 stops9h 24m
Deal found 10/28![American Airlines logo]()
$539
This Southwest deal was found by Cheapflights users on 10/26. 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 11/267:00 am -
2 stops11h 45m
Mon 11/307:30 pm -
2 stops10h 05m
Deal found 10/26![Southwest logo]()
$542
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/237:07 pm -
2 stops23h 28m
Fri 12/49:35 am -
2 stops10h 22m
Deal found 10/28![American Airlines logo]()
$559
Best flights from New Hampshire to OntarioDiscover carefully curated flight deals from New Hampshire to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from New Hampshire to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/29. 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 12/74:03 pm -
1 stop9h 04m
Tue 12/154:51 pm -
2 stops14h 35m
Deal found 10/29![American Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 10/29. 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 12/72:10 pm -
2 stops10h 35m
Tue 12/158:55 am -
2 stops10h 15m
Deal found 10/29![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Sun 11/222:38 pm -
2 stops11h 10m
Mon 12/711:20 am -
2 stops23h 43m
Deal found 10/26![United Airlines logo]()
$664
This Southwest deal was found by Cheapflights users on 10/28. 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 12/27:15 am -
1 stop14h 00m
Wed 12/910:55 am -
1 stop7h 25m
Deal found 10/28![Southwest logo]()
$393
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/237:07 pm -
2 stops23h 28m
Fri 12/49:35 am -
2 stops10h 22m
Deal found 10/28![American Airlines logo]()
$559
This Southwest deal was found by Cheapflights users on 10/26. 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 11/267:00 am -
2 stops11h 45m
Mon 11/307:30 pm -
2 stops10h 05m
Deal found 10/26![Southwest logo]()
$542
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 11/239:25 am -
2 stops16h 23m
Tue 12/11:40 pm -
2 stops21h 23m
Deal found 10/28![United Airlines logo]()
$671
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/222:38 pm -
2 stops11h 10m
Fri 11/276:00 am -
2 stops14h 59m
Deal found 10/25![United Airlines logo]()
$679
This Southwest deal was found by Cheapflights users on 10/29. 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 11/125:30 am -
2 stops11h 35m
Sun 11/1511:25 am -
2 stops9h 30m
Deal found 10/29![Southwest logo]()
$637
This Southwest deal was found by Cheapflights users on 10/26. 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.
Sun 11/155:30 am -
2 stops11h 35m
Sun 11/2211:55 pm -
1 stop13h 45m
Deal found 10/26![Southwest logo]()
$638
Last-minute flights from New Hampshire to OntarioDiscover last-minute flight deals from New Hampshire to Ontario. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from New Hampshire to Ontario. Data last updated October 30, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 10/29. 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 11/125:30 am -
2 stops11h 35m
Sun 11/1511:25 am -
2 stops9h 30m
Deal found 10/29![Southwest logo]()
$637
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/149:25 am -
2 stops12h 22m
Tue 11/176:00 am -
2 stops14h 59m
Deal found 10/27![United Airlines logo]()
$609
This Southwest deal was found by Cheapflights users on 10/26. 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.
Sun 11/155:30 am -
2 stops11h 35m
Sun 11/2211:55 pm -
1 stop13h 45m
Deal found 10/26![Southwest logo]()
$638
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/237:07 pm -
2 stops20h 38m
Sat 12/56:00 am -
2 stops9h 24m
Deal found 10/28![American Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/237:07 pm -
2 stops23h 28m
Fri 12/49:35 am -
2 stops10h 22m
Deal found 10/28![American Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/237:07 pm -
2 stops16h 28m
Thu 12/34:25 pm -
2 stops15h 01m
Deal found 10/28![American Airlines logo]()
$572
This Southwest deal was found by Cheapflights users on 10/26. 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 11/267:00 am -
2 stops11h 45m
Mon 11/307:30 pm -
2 stops10h 05m
Deal found 10/26![Southwest logo]()
$542
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:00 am -
2 stops13h 13m
Sat 12/56:00 am -
2 stops9h 24m
Deal found 10/28![American Airlines logo]()
$569
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:00 am -
2 stops13h 13m
Fri 12/49:35 am -
2 stops10h 22m
Deal found 10/28![American Airlines logo]()
$589
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:00 am -
2 stops13h 13m
Thu 12/34:25 pm -
2 stops15h 01m
Deal found 10/28![American Airlines logo]()
$602
One-way flights from New Hampshire to OntarioSearch for one-way flight options from New Hampshire to Ontario. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from New Hampshire to Ontario. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/27. 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 12/37:15 am -
1 stop14h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$181
This Southwest deal was found by Cheapflights users on 10/27. 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 12/27:15 am -
1 stop14h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/212:18 pm -
3 stops48h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$241
This Southwest deal was found by Cheapflights users on 10/29. 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 3/197:30 am -
1 stop13h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Thu 12/312:24 pm -
3 stops49h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Fri 12/256:00 am -
2 stops13h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Thu 12/246:00 am -
2 stops16h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/312:35 pm -
2 stops25h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$493
This United Airlines deal was found by Cheapflights users on 10/29. 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 3/199:25 am -
3 stops14h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![United Airlines logo]()
$570
This American Airlines deal was found by Cheapflights users on 10/25. 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 12/282:30 pm -
1 stop11h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$602
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Sat 12/262:01 pm -
2 stops12h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$645
Find flight deals from New Hampshire to Ontario
Keep the following information in mind while searching for New Hampshire to Ontario flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $316 (American Airlines) |
One-way from | $181 (Southwest) |
Popular in | April |
Cheapest in | January |
Average price | $395 |
Cheapflights Fare Finder
Customize your flight search to find flights from New Hampshire 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 October 30, 2026.
Use the filters below to find and compare flights from New Hampshire to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ManchesterOntario
MHT Manchester - ONT Ontario
MHTONT
Manchester
Wed 12/2
7:15 am-6:15 pm
1 stop14h 00m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$238
ManchesterOntario
MHT Manchester - ONT Ontario
MHTONT
Manchester
Fri 3/19
7:30 am-6:10 pm
1 stop13h 40m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$279
ManchesterOntario
MHT Manchester - ONT Ontario
MHTONT
Manchester
Thu 12/3
12:24 pm-10:45 am
3 stops49h 21m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$300
ManchesterOntario
MHT Manchester - ONT Ontario
MHTONT
Manchester
Mon 12/7
4:03 pm-10:07 pm
1 stop9h 04m
Ontario
Tue 12/15
4:51 pm-10:26 am
2 stops14h 35m
$316
ManchesterOntario
MHT Manchester - ONT Ontario
MHTONT
Manchester
Mon 12/7
2:10 pm-9:45 pm
2 stops10h 35m
Ontario
Tue 12/15
8:55 am-10:10 pm
2 stops10h 15m
$347
ManchesterOntario
MHT Manchester - ONT Ontario
MHTONT
Manchester
Wed 12/2
7:15 am-6:15 pm
1 stop14h 00m
Ontario
Wed 12/9
10:55 am-9:20 pm
1 stop7h 25m
$393
ManchesterOntario
MHT Manchester - ONT Ontario
MHTONT
Manchester
Thu 12/31
2:35 pm-12:42 pm
2 stops25h 07m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$493
ManchesterOntario
MHT Manchester - ONT Ontario
MHTONT
Manchester
Thu 11/26
7:00 am-3:45 pm
2 stops11h 45m
Ontario
Mon 11/30
7:30 pm-8:35 am
2 stops10h 05m
$542
ManchesterOntario
MHT Manchester - ONT Ontario
MHTONT
Manchester
Mon 11/23
7:07 pm-3:35 pm
2 stops23h 28m
Ontario
Fri 12/4
9:35 am-10:57 pm
2 stops10h 22m
$559
ManchesterOntario
MHT Manchester - ONT Ontario
MHTONT
Manchester
Fri 3/19
9:25 am-8:32 pm
3 stops14h 07m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$570
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from New Hampshire to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from New Hampshire with our price prediction graph.
MHT-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 New Hampshire to Ontario
USNH-ONT
MHT-ONT
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from New Hampshire to Ontario. 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 New Hampshire to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from New Hampshire to Ontario by cabin class
Find flights from New Hampshire to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
New Hampshire and Ontario flights
Browse other New Hampshire and Ontario flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
New Hampshire to Ontario flights
Consider these flights traveling from New Hampshire to Ontario.
Top airline flying from New Hampshire to Ontario
Discover the top airline that operate flights from New Hampshire 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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$372 | Average$536 | FlexibilityNo cancel fee | On-time63% |