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$204+ Cheap flights from Ontario to Manchester, NH (ONT - MHT)

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MHT
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
1 adult, Economy
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Cheap flight deals from Ontario to Manchester

Cheapest flights from Ontario to Manchester
Explore the most affordable flight options available from Ontario to Manchester. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2026.

This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:55 pm
ONT
-
MHT
1 stop7h 10m
Southwest
Mon 5/189:15 am
MHT
-
ONT
1 stop9h 00m
Southwest
Deal found 3/10$367
This Southwest deal was found by Cheapflights users on 3/9. 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 5/49:55 pm
ONT
-
MHT
1 stop7h 10m
Southwest
Thu 5/79:15 am
MHT
-
ONT
1 stop9h 00m
Southwest
Deal found 3/9$379
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:55 pm
ONT
-
MHT
1 stop7h 05m
Southwest
Wed 5/279:10 am
MHT
-
ONT
1 stop10h 10m
Southwest
Deal found 3/10$398
This Southwest deal was found by Cheapflights users on 3/9. 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 9/2411:55 pm
ONT
-
MHT
1 stop9h 15m
Southwest
Wed 10/77:50 am
MHT
-
ONT
2 stops9h 40m
Southwest
Deal found 3/9$442
This United Airlines deal was found by Cheapflights users on 3/11. 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 5/55:00 am
ONT
-
MHT
2 stops10h 56m
United Airlines
Wed 5/62:36 pm
MHT
-
ONT
2 stops10h 59m
United Airlines
Deal found 3/11$457
This Southwest deal was found by Cheapflights users on 3/9. 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 4/69:55 pm
ONT
-
MHT
1 stop7h 10m
Southwest
Thu 4/99:15 am
MHT
-
ONT
1 stop9h 00m
Southwest
Deal found 3/9$498

Find flight deals from Ontario to Manchester

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Manchester (MHT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$367
(Southwest)

One-way from

$204
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$377
Provider with most accurate pricing for Ontario-Manchester flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Manchester flights.
Search Deals
From Ontario to Manchester
Search Deals
One-way flight from Ontario to Manchester
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Manchester that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 14, 2026.
Use the filters below to find and compare flights from Ontario to Manchester that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Mon 5/4

9:55 pm-8:05 am

1 stop7h 10m

Manchester

Mon 5/18

3:15 pm-11:05 pm

2 stops10h 50m

$382

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Fri 5/22

8:10 am-9:55 pm

2 stops10h 45m

Manchester

Wed 5/27

12:45 pm-7:35 pm

2 stops9h 50m

$418

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Mon 5/4

10:10 am-11:30 pm

2 stops10h 20m

Manchester

Thu 5/7

3:15 pm-11:05 pm

2 stops10h 50m

$418

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Tue 5/5

5:00 am-6:56 pm

2 stops10h 56m

Manchester

Wed 5/6

2:36 pm-10:35 pm

2 stops10h 59m

$457
Quickest round-trip

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Mon 4/6

9:55 pm-8:05 am

1 stop7h 10m

Manchester

Thu 4/9

9:15 am-3:15 pm

1 stop9h 00m

$498

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Tue 5/5

4:52 pm-9:57 am

2 stops14h 05m

Manchester

Sat 5/9

10:32 am-10:36 pm

2 stops15h 04m

$509

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Tue 5/5

4:52 pm-9:57 am

2 stops14h 05m

Manchester

Fri 5/8

10:32 am-10:36 pm

2 stops15h 04m

$538

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Wed 3/25

10:35 am-10:50 pm

2 stops9h 15m

Manchester

Sun 3/29

1:40 pm-11:40 pm

2 stops13h 00m

$567

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Tue 5/5

5:00 am-6:56 pm

2 stops10h 56m

Manchester

Sat 5/9

2:36 pm-12:38 pm

2 stops25h 02m

$622
Cheapest one-way

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Tue 4/7

11:59 pm-4:01 pm

2 stops13h 02m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 19 resultsSorted by cheapest first
1
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Compare providers for flights from Ontario to Manchester

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Manchester in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Manchester, New Hampshire flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Manchester, New Hampshire flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Manchester, New Hampshire flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Manchester, New Hampshire flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Manchester, New Hampshire flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Manchester

Have a flexible travel schedule? Discover the best time to fly to Manchester from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Manchester

What is the cheapest month to book a flight from Ontario to Manchester, New Hampshire?

Currently, November is the cheapest month in which you can book a flight from Ontario to Manchester, New Hampshire (average of $148). Flying from Ontario to Manchester, New Hampshire in July is currently the most expensive (average of $188). 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.

Reviews of airlines servicing Manchester

Get insights into the airlines that provide service to Manchester. 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 Manchester. Reviews last updated March 14, 2026.
Get a feel of what it's like to fly with Southwest from Ontario to Manchester by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,317 reviews

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,317 reviews
Southwest
8.0
Very good
4,317 reviews

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

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

  • How long is the flight from Ontario to Manchester, New Hampshire?

    A quick flight from Ontario to Manchester, New Hampshire can take about 7h 10m. Southwest provides one of the quickest options available for as low as $382. There are 2535 mi between Ontario and Manchester, New Hampshire. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Ontario to Manchester, New Hampshire round-trip?

    According to our current data, Southwest ($416), offers the cheapest pricing from Ontario to Manchester, New Hampshire.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Manchester by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Manchester, New Hampshire?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Manchester, New Hampshire (average of $148). Flying from Ontario to Manchester, New Hampshire in July is currently the most expensive (average of $188). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Manchester?

Book flights to Manchester if you plan to visit one of these locations
Keene

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Top airline flying from Ontario to Manchester

Discover the top airline that operate flights from Ontario to Manchester. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$416Average$537FlexibilityNo cancel feeOn-time63%

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