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Cheap flights from Ontario to Boston from $274

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 5/19. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Ontario to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
9:55 pm - 8:05 am
ONT
-
MHT
7h 10m
1 stop
Southwest Logo
9:10 am - 4:20 pm
MHT
-
ONT
10h 10m
1 stop
$297Southwest
Mon, May 11 - Wed, May 13
Southwest Logo
9:55 pm - 8:05 am
ONT
-
MHT
7h 10m
1 stop
Southwest Logo
12:45 pm - 9:45 pm
MHT
-
ONT
12h 00m
2 stops
$367Southwest
Mon, May 11 - Wed, May 13
American Airlines Logo
7:35 pm - 10:07 am
ONT
-
MHT
11h 32m
2 stops
American Airlines Logo
10:32 am - 6:30 pm
MHT
-
ONT
10h 58m
2 stops
$419American Airlines
Mon, May 11 - Wed, May 13
Southwest Logo
11:55 pm - 10:50 am
ONT
-
MHT
7h 55m
1 stop
Southwest Logo
8:50 am - 7:15 pm
MHT
-
ONT
13h 25m
1 stop
$492Southwest
Sun, Jun 28 - Sat, Jul 11
Southwest Logo
11:55 pm - 10:50 am
ONT
-
MHT
7h 55m
1 stop
Southwest Logo
8:50 am - 5:35 pm
MHT
-
ONT
11h 45m
2 stops
$503Southwest
Sun, Jun 28 - Sat, Jul 11
Southwest Logo
9:55 pm - 8:30 am
ONT
-
MHT
7h 35m
1 stop
Southwest Logo
5:30 am - 3:15 pm
MHT
-
ONT
12h 45m
1 stop
$507Southwest
Thu, May 14 - Mon, May 18
Southwest Logo
9:40 pm - 8:00 am
ONT
-
MHT
7h 20m
1 stop
Southwest Logo
5:10 pm - 10:25 pm
MHT
-
ONT
8h 15m
1 stop
$517Southwest
Sat, Jun 20 - Fri, Jun 26
Southwest Logo
6:30 pm - 8:00 am
ONT
-
MHT
10h 30m
2 stops
Southwest Logo
5:10 pm - 10:25 pm
MHT
-
ONT
8h 15m
1 stop
$522Southwest
Sat, Jun 20 - Fri, Jun 26
Southwest Logo
11:55 pm - 12:30 pm
ONT
-
MHT
9h 35m
2 stops
Southwest Logo
5:30 am - 3:15 pm
MHT
-
ONT
12h 45m
1 stop
$548Southwest
Thu, May 14 - Mon, May 18
Southwest Logo
11:55 pm - 12:50 pm
ONT
-
MHT
9h 55m
2 stops
Southwest Logo
8:50 am - 5:35 pm
MHT
-
ONT
11h 45m
2 stops
$549Southwest
Sun, Jun 28 - Sat, Jul 11

United Airlines flights from Ontario to Manchester, New Hampshire

Our best United Airlines deals on Ontario to Manchester, New Hampshire flight tickets
United Airlines
Apr 11
ONT5:10 amOntario
10h 46m
2 stops
MHT6:56 pmManchester
Apr 14
MHT2:30 pmManchester
11h 01m
2 stops
ONT10:31 pmOntario
$679
United Airlines
May 8
ONT6:59 pmOntario
16h 02m
2 stops
MHT2:01 pmManchester
May 11
MHT7:31 pmManchester
17h 10m
2 stops
ONT9:41 amOntario
$715
United Airlines
May 12
ONT7:00 amOntario
28h 01m
2 stops
MHT2:01 pmManchester
May 13
MHT7:31 pmManchester
30h 04m
2 stops
ONT10:35 pmOntario
$726

Southwest flights from Ontario to Manchester, New Hampshire

Our best Southwest deals on Ontario to Manchester, New Hampshire flight tickets
Southwest
May 11
ONT9:55 pmOntario
7h 10m
1 stop
MHT8:05 amManchester
May 13
MHT9:10 amManchester
10h 10m
1 stop
ONT4:20 pmOntario
$297
Southwest
May 11
ONT9:55 pmOntario
7h 10m
1 stop
MHT8:05 amManchester
May 13
MHT12:45 pmManchester
12h 00m
2 stops
ONT9:45 pmOntario
$367
Southwest
Jun 28
ONT11:55 pmOntario
7h 55m
1 stop
MHT10:50 amManchester
Jul 11
MHT8:50 amManchester
13h 25m
1 stop
ONT7:15 pmOntario
$492

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 April 1, 2026.
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

Cheapest round-trip

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Mon 5/11

9:55 pm-8:05 am

1 stop7h 10m

Manchester

Wed 5/13

9:10 am-4:20 pm

1 stop10h 10m

$297

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Mon 5/11

9:55 pm-8:05 am

1 stop7h 10m

Manchester

Wed 5/13

12:45 pm-9:45 pm

2 stops12h 00m

$367

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Mon 5/11

7:35 pm-10:07 am

2 stops11h 32m

Manchester

Wed 5/13

10:32 am-6:30 pm

2 stops10h 58m

$419

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Sun 6/28

11:55 pm-10:50 am

1 stop7h 55m

Manchester

Sat 7/11

8:50 am-7:15 pm

1 stop13h 25m

$492

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Sun 6/28

11:55 pm-10:50 am

1 stop7h 55m

Manchester

Sat 7/11

8:50 am-5:35 pm

2 stops11h 45m

$503

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Thu 5/14

9:55 pm-8:30 am

1 stop7h 35m

Manchester

Mon 5/18

5:30 am-3:15 pm

1 stop12h 45m

$507
Quickest round-trip

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Sat 6/20

9:40 pm-8:00 am

1 stop7h 20m

Manchester

Fri 6/26

5:10 pm-10:25 pm

1 stop8h 15m

$517

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Sat 6/20

6:30 pm-8:00 am

2 stops10h 30m

Manchester

Fri 6/26

5:10 pm-10:25 pm

1 stop8h 15m

$522

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Thu 5/14

11:55 pm-12:30 pm

2 stops9h 35m

Manchester

Mon 5/18

5:30 am-3:15 pm

1 stop12h 45m

$548

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Sun 6/28

11:55 pm-12:50 pm

2 stops9h 55m

Manchester

Sat 7/11

8:50 am-5:35 pm

2 stops11h 45m

$549

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

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

You could potentially save up to 58% 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

Fastest flight time

7h 35m

Direct flights

None
The fastest flight from Ontario to Manchester, New Hampshire takes 7h 35m
There are no direct flights from Ontario to Manchester, New Hampshire. There are no popular flight routes from Ontario to Manchester, New Hampshire.
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Frequently asked questions about flying from Ontario to Manchester, New Hampshire

  • 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 7h 35m.

  • 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 $416Free CancellationRating
8.0
4,337 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

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