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Cheap flights from Ontario to Boston from $163

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 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

American Airlines Logo
6:17 am - 9:13 pmONT-MHT
11h 56m2 stops
American Airlines Logo
3:22 pm - 9:24 pmMHT-ONT
9h 02m1 stop
$333American Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
American Airlines Logo
6:17 am - 9:13 pmONT-MHT
11h 56m2 stops
American Airlines Logo
8:34 am - 6:54 pmMHT-ONT
13h 20m2 stops
$338American Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
Southwest Logo
12:50 pm - 12:20 amONT-MHT
8h 30m1 stop
Southwest Logo
5:05 pm - 10:50 pmMHT-ONT
8h 45m1 stop
$407Southwest
Find Deal
Thu, Oct 9 - Fri, Oct 17
American Airlines Logo
11:59 pm - 11:36 amONT-MHT
8h 37m1 stop
American Airlines Logo
5:43 am - 4:01 pmMHT-ONT
13h 18m2 stops
$417American Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
United Airlines Logo
6:50 pm - 10:42 amONT-MHT
12h 52m2 stops
United Airlines Logo
9:40 am - 8:43 pmMHT-ONT
14h 03m2 stops
$435United Airlines
Find Deal
Tue, Sep 2 - Sat, Sep 6
Southwest Logo
6:40 pm - 8:05 amONT-MHT
10h 25m2 stops
Southwest Logo
5:05 pm - 10:50 pmMHT-ONT
8h 45m1 stop
$443Southwest
Find Deal
Thu, Oct 9 - Fri, Oct 17
American Airlines Logo
8:15 am - 11:48 pmONT-MHT
12h 33m2 stops
American Airlines Logo
5:43 am - 4:01 pmMHT-ONT
13h 18m2 stops
$457American Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
United Airlines Logo
6:50 pm - 10:42 amONT-MHT
12h 52m2 stops
United Airlines Logo
9:40 am - 10:30 pmMHT-ONT
15h 50m2 stops
$461United Airlines
Find Deal
Thu, Sep 4 - Tue, Sep 9
United Airlines Logo
6:50 pm - 10:42 amONT-MHT
12h 52m2 stops
United Airlines Logo
9:40 am - 10:30 pmMHT-ONT
15h 50m2 stops
$481United Airlines
Find Deal
Sun, Sep 21 - Tue, Sep 23
United Airlines Logo
6:38 pm - 10:42 amONT-MHT
13h 04m2 stops
United Airlines Logo
9:40 am - 8:43 pmMHT-ONT
14h 03m2 stops
$487United Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8

United Airlines flights from Ontario to Manchester, New Hampshire

Our best United Airlines deals on Ontario to Manchester, New Hampshire flight tickets
United Airlines
Sep 2
ONT6:50 pmOntario
12h 52m
2 stops
MHT10:42 amManchester
Sep 6
MHT9:40 amManchester
14h 03m
2 stops
ONT8:43 pmOntario
$435
Find similar
United Airlines
Sep 4
ONT6:50 pmOntario
12h 52m
2 stops
MHT10:42 amManchester
Sep 9
MHT9:40 amManchester
15h 50m
2 stops
ONT10:30 pmOntario
$461
Find similar
United Airlines
Sep 21
ONT6:50 pmOntario
12h 52m
2 stops
MHT10:42 amManchester
Sep 23
MHT9:40 amManchester
15h 50m
2 stops
ONT10:30 pmOntario
$481
Find similar

American Airlines flights from Ontario to Manchester, New Hampshire

Our best American Airlines deals on Ontario to Manchester, New Hampshire flight tickets
American Airlines
Aug 27
ONT6:17 amOntario
11h 56m
2 stops
MHT9:13 pmManchester
Sep 3
MHT3:22 pmManchester
9h 02m
1 stop
ONT9:24 pmOntario
$333
Find similar
American Airlines
Aug 27
ONT6:17 amOntario
11h 56m
2 stops
MHT9:13 pmManchester
Sep 3
MHT8:34 amManchester
13h 20m
2 stops
ONT6:54 pmOntario
$338
Find similar
American Airlines
Oct 31
ONT11:59 pmOntario
8h 37m
1 stop
MHT11:36 amManchester
Nov 2
MHT5:43 amManchester
13h 18m
2 stops
ONT4:01 pmOntario
$417
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 July 31, 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 8/27

6:17 am-9:13 pm

2 stops11h 56m

Manchester

Wed 9/3

3:22 pm-9:24 pm

1 stop9h 02m

$333

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Wed 8/27

6:17 am-9:13 pm

2 stops11h 56m

Manchester

Wed 9/3

8:34 am-6:54 pm

2 stops13h 20m

$338

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Thu 10/9

12:50 pm-12:20 am

1 stop8h 30m

Manchester

Fri 10/17

5:05 pm-10:50 pm

1 stop8h 45m

$407

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Fri 10/31

11:59 pm-11:36 am

1 stop8h 37m

Manchester

Sun 11/2

5:43 am-4:01 pm

2 stops13h 18m

$417

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Tue 9/2

6:50 pm-10:42 am

2 stops12h 52m

Manchester

Sat 9/6

9:40 am-8:43 pm

2 stops14h 03m

$435

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Thu 10/9

6:40 pm-8:05 am

2 stops10h 25m

Manchester

Fri 10/17

5:05 pm-10:50 pm

1 stop8h 45m

$443

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Fri 10/31

8:15 am-11:48 pm

2 stops12h 33m

Manchester

Sun 11/2

5:43 am-4:01 pm

2 stops13h 18m

$457

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Thu 9/4

6:50 pm-10:42 am

2 stops12h 52m

Manchester

Tue 9/9

9:40 am-10:30 pm

2 stops15h 50m

$461

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Sun 9/21

6:50 pm-10:42 am

2 stops12h 52m

Manchester

Tue 9/23

9:40 am-10:30 pm

2 stops15h 50m

$481

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Thu 9/4

6:38 pm-10:42 am

2 stops13h 04m

Manchester

Mon 9/8

9:40 am-8:43 pm

2 stops14h 03m

$487

Flights are sorted by cheapest round-trip flights first.

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

Best Price Found

$163

Fastest flight time

7h 40m

Direct flights

None

Airports in Manchester, New Hampshire

1 airport
The best one-way flight to Manchester, New Hampshire from Ontario in the past 72 hours is $163. The best round-trip flight deal from Ontario to Manchester, New Hampshire found on momondo in the last 72 hours is $333.
The fastest flight from Ontario to Manchester, New Hampshire takes 7h 40m
There are no direct flights from Ontario to Manchester, New Hampshire. Popular non-direct route for this connection is Ontario Airport - Manchester Airport.
There is 1 airport near Manchester, New Hampshire: Manchester (MHT)
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  • 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 30m.

  • 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 $374Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $416Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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.

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