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Cheap flights from Massachusetts to Los Angeles from $108

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Los Angeles departing on 9/16. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Massachusetts to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:30 pm - 10:26 pm
ALB
-
ONT
8h 56m
1 stop
United Airlines Logo
1:00 pm - 11:30 pm
ONT
-
ALB
7h 30m
1 stop
$285United Airlines
Thu, Nov 12 - Tue, Nov 17
United Airlines Logo
4:30 pm - 10:26 pm
ALB
-
ONT
8h 56m
1 stop
United Airlines Logo
6:53 pm - 10:13 am
ONT
-
ALB
12h 20m
2 stops
$290United Airlines
Thu, Nov 12 - Tue, Nov 17
Delta Logo
6:00 am - 10:42 am
BDL
-
ONT
7h 42m
1 stop
Delta Logo
10:59 pm - 10:46 am
ONT
-
BDL
8h 47m
1 stop
$297Delta
Tue, Aug 18 - Wed, Dec 9
Delta Logo
12:55 pm - 6:18 pm
ALB
-
ONT
8h 23m
1 stop
Delta Logo
10:59 pm - 11:58 am
ONT
-
ALB
9h 59m
1 stop
$311Delta
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
5:28 pm - 10:34 pm
BDL
-
ONT
8h 06m
1 stop
American Airlines Logo
7:06 am - 11:31 pm
ONT
-
BDL
13h 25m
2 stops
$317American Airlines
Tue, Aug 4 - Tue, Sep 1
Southwest Logo
6:00 am - 1:10 pm
ALB
-
ONT
10h 10m
2 stops
Southwest Logo
11:55 pm - 11:35 am
ONT
-
ALB
8h 40m
1 stop
$343Southwest
Tue, Aug 11 - Tue, Aug 25
American Airlines Logo
5:28 pm - 10:34 pm
BDL
-
ONT
8h 06m
1 stop
American Airlines Logo
6:00 am - 7:34 pm
ONT
-
BDL
10h 34m
1 stop
$363American Airlines
Tue, Aug 4 - Tue, Sep 1
Alaska Airlines Logo
9:33 am - 5:18 pm
BOS
-
ONT
10h 45m
1 stop
Alaska Airlines Logo
3:14 pm - 7:39 am
ONT
-
BOS
13h 25m
1 stop
$377Alaska Airlines
Sun, Sep 13 - Sat, Sep 19
Southwest Logo
1:30 pm - 7:20 pm
BOS
-
ONT
8h 50m
1 stop
Southwest Logo
11:55 pm - 12:30 pm
ONT
-
BOS
9h 35m
2 stops
$378Southwest
Thu, Aug 27 - Sun, Aug 30
Alaska Airlines Logo
7:59 pm - 11:16 am
BOS
-
ONT
18h 17m
1 stop
Alaska Airlines Logo
4:27 pm - 6:09 am
ONT
-
BOS
10h 42m
2 stops
$385Alaska Airlines
Wed, Sep 16 - Wed, Sep 23

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American Airlines flights from Massachusetts to Ontario

Our best American Airlines deals on Massachusetts to Ontario flight tickets
American Airlines
Aug 4
BDL5:28 pmHartford Bradley Intl
8h 06m
1 stop
ONT10:34 pmOntario
Sep 1
ONT7:06 amOntario
13h 25m
2 stops
BDL11:31 pmHartford Bradley Intl
$317
American Airlines
Aug 4
BDL5:28 pmHartford Bradley Intl
8h 06m
1 stop
ONT10:34 pmOntario
Sep 1
ONT6:00 amOntario
10h 34m
1 stop
BDL7:34 pmHartford Bradley Intl
$363
American Airlines
Sep 2
ALB7:07 amAlbany Intl
14h 40m
2 stops
ONT6:47 pmOntario
Sep 7
ONT10:29 amOntario
9h 30m
1 stop
ALB10:59 pmAlbany Intl
$382

Delta flights from Massachusetts to Ontario

Our best Delta deals on Massachusetts to Ontario flight tickets
Delta
Aug 18
BDL6:00 amHartford Bradley Intl
7h 42m
1 stop
ONT10:42 amOntario
Dec 9
ONT10:59 pmOntario
8h 47m
1 stop
BDL10:46 amHartford Bradley Intl
$297
Delta
Nov 5
ALB12:55 pmAlbany Intl
8h 23m
1 stop
ONT6:18 pmOntario
Nov 9
ONT10:59 pmOntario
9h 59m
1 stop
ALB11:58 amAlbany Intl
$311
Delta
Nov 12
ALB12:55 pmAlbany Intl
13h 53m
2 stops
ONT11:48 pmOntario
Nov 17
ONT5:50 pmOntario
12h 17m
2 stops
ALB9:07 amAlbany Intl
$314

momondo Fare Finder

 
Customize your flight search to find flights from Massachusetts 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, momondo users made 832,500 searches. Data last updated June 14, 2026.
Use the filters below to find and compare flights from Massachusetts to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

AlbanyOntario

ALB - ONT

ALBONT

Albany Intl

Thu 11/12

4:30 pm-10:26 pm

1 stop8h 56m

Ontario

Tue 11/17

1:00 pm-11:30 pm

1 stop7h 30m

$285

AlbanyOntario

ALB - ONT

ALBONT

Albany Intl

Thu 11/12

4:30 pm-10:26 pm

1 stop8h 56m

Ontario

Tue 11/17

6:53 pm-10:13 am

2 stops12h 20m

$290

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Tue 8/18

6:00 am-10:42 am

1 stop7h 42m

Ontario

Wed 12/9

10:59 pm-10:46 am

1 stop8h 47m

$297

AlbanyOntario

ALB - ONT

ALBONT

Albany Intl

Thu 11/5

12:55 pm-6:18 pm

1 stop8h 23m

Ontario

Mon 11/9

10:59 pm-11:58 am

1 stop9h 59m

$311

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Tue 8/4

5:28 pm-10:34 pm

1 stop8h 06m

Ontario

Tue 9/1

7:06 am-11:31 pm

2 stops13h 25m

$317

AlbanyOntario

ALB - ONT

ALBONT

Albany Intl

Tue 8/11

6:00 am-1:10 pm

2 stops10h 10m

Ontario

Tue 8/25

11:55 pm-11:35 am

1 stop8h 40m

$343

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Tue 8/4

5:28 pm-10:34 pm

1 stop8h 06m

Ontario

Tue 9/1

6:00 am-7:34 pm

1 stop10h 34m

$363

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sun 9/13

9:33 am-5:18 pm

1 stop10h 45m

Ontario

Sat 9/19

3:14 pm-7:39 am

1 stop13h 25m

$377

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 8/27

1:30 pm-7:20 pm

1 stop8h 50m

Ontario

Sun 8/30

11:55 pm-12:30 pm

2 stops9h 35m

$378

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 9/16

7:59 pm-11:16 am

1 stop18h 17m

Ontario

Wed 9/23

4:27 pm-6:09 am

2 stops10h 42m

$385

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Massachusetts to Ontario

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 month to fly to Ontario?

In general, June is the cheapest month to fly from Massachusetts to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $148. If you aren’t able to travel during the month of June, then book flights to Ontario from Massachusetts during May instead. Flights to Ontario in May, while not as cheap as those in June, still average around $148.

How far in advance should I book a flight from Massachusetts to Ontario?

You are more likely to see cheaper flights to Ontario from Massachusetts when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $488 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Massachusetts for as low as $332 on momondo.

Can stopping save me money on Massachusetts to Ontario flights?

You could potentially save up to 47% on your flight if you consider stops on a Massachusetts to Ontario flight.

Cheap Massachusetts to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Ontario

Fastest flight time

7h 20m

Direct flights

None
The fastest flight from Massachusetts to Ontario takes 7h 20m
There are no direct flights from Massachusetts to Ontario. There are no popular flight routes from Massachusetts to Ontario.
Search flight deals

Frequently asked questions about flying from Massachusetts to Ontario

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

    Prices for flights from Massachusetts to Ontario Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Ontario Airport.

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

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Massachusetts to Ontario

Compare and see reviews for airlines that fly from Massachusetts to Ontario with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $158Free CancellationRating
7.9
8,403 reviews
Search Delta flights
United AirlinesPriceFrom $239Free CancellationRating
7.4
9,820 reviews
Search United Airlines flights
American AirlinesPriceFrom $259Free CancellationRating
7.1
11,657 reviews
Search American Airlines flights
SouthwestPriceFrom $305Free CancellationRating
7.9
4,234 reviews
Search Southwest flights
JetBluePriceFrom $319Free CancellationRating
7.1
2,981 reviews
Search JetBlue flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Massachusetts to Ontario. momondo saves you time and could save you money on your trip.

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

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

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

momondo helps you find the best flight between Massachusetts and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Ontario from Massachusetts 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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