Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Boston from $160

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Boston departing on 12/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:59 pm - 12:09 pmONT-MHT
9h 10m1 stop
American Airlines Logo
6:00 am - 4:07 pmMHT-ONT
13h 07m2 stops
$429American Airlines
Find Deal
Wed, Dec 24 - Thu, Jan 1
Southwest Logo
6:50 am - 9:05 pmONT-MHT
11h 15m1 stop
Southwest Logo
6:45 am - 12:40 pmMHT-ONT
8h 55m1 stop
$480Southwest
Find Deal
Thu, Dec 25 - Mon, Dec 29
Southwest Logo
8:30 am - 9:05 pmONT-MHT
9h 35m2 stops
Southwest Logo
12:55 pm - 10:05 pmMHT-ONT
12h 10m2 stops
$488Southwest
Find Deal
Wed, Dec 24 - Thu, Jan 1
United Airlines Logo
6:00 am - 6:51 pmONT-MHT
9h 51m2 stops
United Airlines Logo
7:28 pm - 12:43 pmMHT-ONT
20h 15m2 stops
$518United Airlines
Find Deal
Wed, Feb 11 - Tue, Feb 17
American Airlines Logo
11:59 pm - 12:09 pmONT-MHT
9h 10m1 stop
American Airlines Logo
12:35 pm - 8:58 pmMHT-ONT
11h 23m1 stop
$534American Airlines
Find Deal
Wed, Dec 24 - Thu, Jan 1
American Airlines Logo
10:34 pm - 11:33 amONT-MHT
9h 59m1 stop
American Airlines Logo
6:00 am - 4:01 pmMHT-ONT
13h 01m2 stops
$542American Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
American Airlines Logo
10:30 am - 12:41 amONT-MHT
11h 11m2 stops
American Airlines Logo
1:20 pm - 9:40 pmMHT-ONT
11h 20m2 stops
$547American Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
5:00 am - 6:53 pmONT-MHT
10h 53m2 stops
United Airlines Logo
7:28 pm - 12:43 pmMHT-ONT
20h 15m2 stops
$561United Airlines
Find Deal
Thu, Feb 12 - Tue, Feb 17
United Airlines Logo
5:05 am - 6:51 pmONT-MHT
10h 46m2 stops
United Airlines Logo
7:26 pm - 12:38 pmMHT-ONT
20h 12m2 stops
$578United Airlines
Find Deal
Thu, Dec 25 - Wed, Dec 31
Southwest Logo
5:45 am - 7:05 pmONT-MHT
10h 20m2 stops
Southwest Logo
6:45 am - 3:30 pmMHT-ONT
11h 45m2 stops
$584Southwest
Find Deal
Thu, Dec 25 - Mon, Dec 29

American Airlines flights from Ontario to Manchester, New Hampshire

Our best American Airlines deals on Ontario to Manchester, New Hampshire flight tickets
American Airlines
Dec 24
ONT11:59 pmOntario
9h 10m
1 stop
MHT12:09 pmManchester
Jan 1
MHT6:00 amManchester
13h 07m
2 stops
ONT4:07 pmOntario
$429
Find similar
American Airlines
Dec 24
ONT11:59 pmOntario
9h 10m
1 stop
MHT12:09 pmManchester
Jan 1
MHT12:35 pmManchester
11h 23m
1 stop
ONT8:58 pmOntario
$534
Find similar
American Airlines
Nov 12
ONT10:34 pmOntario
9h 59m
1 stop
MHT11:33 amManchester
Nov 16
MHT6:00 amManchester
13h 01m
2 stops
ONT4:01 pmOntario
$542
Find similar

Southwest flights from Ontario to Manchester, New Hampshire

Our best Southwest deals on Ontario to Manchester, New Hampshire flight tickets
Southwest
Dec 25
ONT6:50 amOntario
11h 15m
1 stop
MHT9:05 pmManchester
Dec 29
MHT6:45 amManchester
8h 55m
1 stop
ONT12:40 pmOntario
$480
Find similar
Southwest
Dec 24
ONT8:30 amOntario
9h 35m
2 stops
MHT9:05 pmManchester
Jan 1
MHT12:55 pmManchester
12h 10m
2 stops
ONT10:05 pmOntario
$488
Find similar
Southwest
Dec 25
ONT5:45 amOntario
10h 20m
2 stops
MHT7:05 pmManchester
Dec 29
MHT6:45 amManchester
11h 45m
2 stops
ONT3:30 pmOntario
$584
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Manchester, New Hampshire 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, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Ontario to Manchester, New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Wed 12/24

11:59 pm-12:09 pm

1 stop9h 10m

Manchester

Thu 1/1

6:00 am-4:07 pm

2 stops13h 07m

$429

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Thu 12/25

6:50 am-9:05 pm

1 stop11h 15m

Manchester

Mon 12/29

6:45 am-12:40 pm

1 stop8h 55m

$480

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Wed 12/24

8:30 am-9:05 pm

2 stops9h 35m

Manchester

Thu 1/1

12:55 pm-10:05 pm

2 stops12h 10m

$488

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Wed 2/11

6:00 am-6:51 pm

2 stops9h 51m

Manchester

Tue 2/17

7:28 pm-12:43 pm

2 stops20h 15m

$518

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Wed 12/24

11:59 pm-12:09 pm

1 stop9h 10m

Manchester

Thu 1/1

12:35 pm-8:58 pm

1 stop11h 23m

$534

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Wed 11/12

10:34 pm-11:33 am

1 stop9h 59m

Manchester

Sun 11/16

6:00 am-4:01 pm

2 stops13h 01m

$542

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Tue 3/10

10:30 am-12:41 am

2 stops11h 11m

Manchester

Wed 3/11

1:20 pm-9:40 pm

2 stops11h 20m

$547

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Thu 2/12

5:00 am-6:53 pm

2 stops10h 53m

Manchester

Tue 2/17

7:28 pm-12:43 pm

2 stops20h 15m

$561

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Thu 12/25

5:05 am-6:51 pm

2 stops10h 46m

Manchester

Wed 12/31

7:26 pm-12:38 pm

2 stops20h 12m

$578

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Thu 12/25

5:45 am-7:05 pm

2 stops10h 20m

Manchester

Mon 12/29

6:45 am-3:30 pm

2 stops11h 45m

$584

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Boston from

How to get the cheapest flight ticket from Ontario to Manchester, New Hampshire

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Manchester, New Hampshire?

Our data shows that Sunday is the least expensive day to fly to Manchester, New Hampshire. Tickets to fly out on this day can be as low as $441. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Manchester, New Hampshire on Thursday is $608.

What is the cheapest time of day to depart on your flight to Manchester, New Hampshire?

Our most recent data shows that the best time of day to fly to Manchester, New Hampshire is in the evening. Flights from Ontario to Manchester, New Hampshire during this time can be as low as $516. Flights in the morning are often more expensive with an average ticket price of $566.

Can stopping save me money on Ontario to Manchester, New Hampshire flights?

You could potentially save up to 46% on your flight if you consider stops on a Ontario to Manchester, New Hampshire flight.

When to book flights from Ontario to Manchester, New Hampshire

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Manchester, New Hampshire according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Manchester, New Hampshire (ONT to MHT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Manchester, New Hampshire

Direct flights

None
There are no direct flights from Ontario to Manchester, New Hampshire. There are no popular flight routes from Ontario to Manchester, New Hampshire.
Search flight deals

  • How far is Ontario to Manchester by plane?

    A flight from Ontario to Manchester will travel around 2536.7 mi. A reasonable flight in good conditions will take 8h 40m.

  • When did momondo last update prices for flights from Ontario Airport to Manchester Airport?

    Prices for flights from Ontario Airport to Manchester Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Manchester Airport?

  • How old do you have to be to fly from Ontario Airport to Manchester Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Manchester Airport.

  • What documentation or ID do you need to fly to Manchester Airport?

    The travel and health documents required for your trip to Manchester Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Manchester Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Manchester, New Hampshire?

Best airlines flying from Ontario to Manchester, New Hampshire

Compare and see reviews for airlines that fly from Ontario to Manchester, New Hampshire with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $446Free CancellationRating
8.0
4,243 reviews
Search Southwest flights

Traveling to a place near Boston?

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

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Manchester?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Manchester for you.

Can I find flights from Ontario to Manchester with flexible booking policies on momondo?

momondo does allow users to show only those flights to Manchester from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Manchester?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Manchester from Ontario.

I’m not ready to book a flight from Ontario to Manchester right now. Can momondo alert me if prices change?

Price alerts on flights to Manchester from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Manchester, New Hampshire trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/29
Sat 12/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States