What is the cheapest airline that flies from Ontario to Massachusetts?

Delta, Southwest, and United Airlines are the most popular carriers operating from Ontario to Massachusetts

What airlines fly to Massachusetts?

JetBlue, United Airlines and American Airlines are the top three most popular airlines that fly to Massachusetts from Ontario according to our data. JetBlue is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Massachusetts. Keep in mind that there are 8 different airlines that fly to Massachusetts on a routine basis, so you have a few additional options to choose from.

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

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

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

As of August 2026, there are 5 operators available to choose from for flights from Ontario Airport to Massachusetts.

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

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 Ontario Airport to Massachusetts.

What documentation or ID do you need to fly to Massachusetts?

The travel and health documents required for your trip to Massachusetts 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 Massachusetts. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$120 Cheap Flights from Ontario to Massachusetts in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Massachusetts

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:53 pm - 8:23 amONT Ontario-BOS Boston Logan Intl

10h 30m1 stop San Francisco

7:30 am - 12:33 pmBOS Boston Logan Intl-ONT Ontario

8h 03m1 stop Denver Intl

$236United Airlines

Wed, Jan 6 - Tue, Jan 12

6:45 am - 4:35 pmONT Ontario-BOS Boston Logan Intl

6h 50m1 stop Chicago Midway

5:05 am - 10:15 amBOS Boston Logan Intl-ONT Ontario

8h 10m1 stop Denver Intl

$240Southwest

Wed, Jan 6 - Wed, Jan 13

12:40 pm - 1:10 amONT Ontario-BOS Boston Logan Intl

9h 30m1 stop Denver Intl

5:00 am - 10:10 amBOS Boston Logan Intl-ONT Ontario

8h 10m1 stop Denver Intl

$240Southwest

Thu, Oct 29 - Wed, Nov 4

7:00 am - 7:52 pmONT Ontario-BOS Boston Logan Intl

9h 52m1 stop Dallas/Fort Worth

5:17 am - 1:30 pmBOS Boston Logan Intl-ONT Ontario

11h 13m1 stop Dallas/Fort Worth

$241American Airlines

Sat, Oct 17 - Wed, Oct 21

10:25 am - 10:29 pmONT Ontario-BOS Boston Logan Intl

9h 04m1 stop Dallas/Fort Worth

10:00 am - 6:10 pmBOS Boston Logan Intl-ONT Ontario

11h 10m1 stop Phoenix Sky Harbor Intl

$241American Airlines

Wed, Sep 23 - Wed, Nov 18

9:01 am - 9:02 pmONT Ontario-BOS Boston Logan Intl

9h 01m1 stop San Francisco

3:49 pm - 9:59 pmBOS Boston Logan Intl-ONT Ontario

9h 10m1 stop Houston George Bush Intcntl

$241United Airlines

Tue, Sep 15 - Sat, Sep 19

5:15 pm - 6:30 amONT Ontario-BOS Boston Logan Intl

10h 15m1 stop Salt Lake City

6:05 am - 12:14 pmBOS Boston Logan Intl-ONT Ontario

9h 09m1 stop Salt Lake City

$297Delta

Tue, Sep 22 - Sat, Sep 26

1:04 pm - 11:53 pmONT Ontario-BOS Boston Logan Intl

7h 49m1 stop Salt Lake City

6:45 pm - 11:47 pmBOS Boston Logan Intl-ONT Ontario

8h 02m1 stop Salt Lake City

$297Delta

Wed, Sep 16 - Tue, Sep 22

4:09 pm - 5:40 amONT Ontario-BOS Boston Logan Intl

10h 31m1 stop Seattle/Tacoma Intl

7:13 am - 3:13 pmBOS Boston Logan Intl-ONT Ontario

11h 00m1 stop Seattle/Tacoma Intl

$347Alaska Airlines

Thu, Nov 12 - Mon, Nov 16

6:14 pm - 6:09 amONT Ontario-BOS Boston Logan Intl

8h 55m1 stop Portland

9:33 am - 5:18 pmBOS Boston Logan Intl-ONT Ontario

10h 45m1 stop Portland

$347Alaska Airlines

Mon, Sep 14 - Tue, Sep 22

Cheap last minute flights

Enter your travel dates to find the best prices.

1:06 pm - 11:57 pmONT Ontario-BOS Boston Logan Intl

7h 51m1 stop Salt Lake City

5:30 am - 10:42 amBOS Boston Logan Intl-ONT Ontario

8h 12m1 stop Atlanta Hartsfield-Jackson

$421Delta

Tue, Aug 18 - Tue, Sep 1

7:05 am - 6:10 pmONT Ontario-BOS Boston Logan Intl

8h 05m1 stop Atlanta Hartsfield-Jackson

5:30 am - 10:42 amBOS Boston Logan Intl-ONT Ontario

8h 12m1 stop Atlanta Hartsfield-Jackson

$421Delta

Tue, Aug 18 - Tue, Sep 1

6:00 am - 6:59 pmONT Ontario-BDL Hartford Bradley Intl

9h 59m2 stops Dallas/Fort Worth Philadelphia

6:00 am - 11:43 amBDL Hartford Bradley Intl-ONT Ontario

8h 43m1 stop Dallas/Fort Worth

$462American Airlines

Sat, Aug 15 - Sat, Sep 5

12:33 pm - 11:37 pmONT Ontario-BOS Boston Logan Intl

8h 04m1 stop Dallas/Fort Worth

6:45 am - 11:43 amBOS Boston Logan Intl-ONT Ontario

7h 58m1 stop Dallas/Fort Worth

$467American Airlines

Sat, Aug 15 - Sun, Aug 30

5:32 pm - 6:20 amONT Ontario-BOS Boston Logan Intl

9h 48m1 stop Portland

9:33 am - 5:10 pmBOS Boston Logan Intl-ONT Ontario

10h 37m1 stop Portland

$476Alaska Airlines

Sat, Aug 15 - Sat, Aug 29

5:32 pm - 6:20 amONT Ontario-BOS Boston Logan Intl

9h 48m1 stop Portland

9:33 am - 5:10 pmBOS Boston Logan Intl-ONT Ontario

10h 37m1 stop Portland

$476Alaska Airlines

Sat, Aug 15 - Sat, Aug 29

1:18 pm - 11:43 pmONT Ontario-BDL Hartford Bradley Intl

7h 25m1 stop Denver Intl

10:33 am - 10:35 pmBDL Hartford Bradley Intl-ONT Ontario

15h 02m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$572United Airlines

Tue, Aug 18 - Sat, Sep 5

1:18 pm - 11:43 pmONT Ontario-BDL Hartford Bradley Intl

7h 25m1 stop Denver Intl

10:33 am - 8:53 pmBDL Hartford Bradley Intl-ONT Ontario

13h 20m2 stops Washington, D.C. Dulles Intl Denver Intl

$572United Airlines

Sat, Aug 15 - Sun, Sep 6

5:35 am - 11:35 pmONT Ontario-BOS Boston Logan Intl

15h 00m2 stops Phoenix Sky Harbor Intl Nashville Intl

7:30 am - 4:00 pmBOS Boston Logan Intl-ONT Ontario

11h 30m2 stops Chicago Midway Phoenix Sky Harbor Intl

$710Southwest

Sun, Aug 16 - Sun, Aug 23

5:35 am - 11:35 pmONT Ontario-BOS Boston Logan Intl

15h 00m2 stops Phoenix Sky Harbor Intl Nashville Intl

5:00 am - 12:00 pmBOS Boston Logan Intl-ONT Ontario

10h 00m2 stops Lambert-St Louis Austin Bergstrom

$736Southwest

Sun, Aug 16 - Thu, Aug 20

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Alaska Airlines flights from Ontario to Massachusetts

Our best Alaska Airlines deals on Ontario to Massachusetts flight tickets

Alaska Airlines

Sep 14

ONT6:14 pmOntario

8h 55m

1 stop

BOS6:09 amBoston Logan Intl

Sep 24

BOS4:48 pmBoston Logan Intl

9h 36m

1 stop

ONT11:24 pmOntario

$347

Alaska Airlines

Sep 11

ONT6:14 pmOntario

8h 55m

1 stop

BOS6:09 amBoston Logan Intl

Sep 12

BOS9:33 amBoston Logan Intl

10h 45m

1 stop

ONT5:18 pmOntario

$351

Alaska Airlines

Sep 11

ONT6:14 pmOntario

8h 55m

1 stop

BOS6:09 amBoston Logan Intl

Sep 15

BOS7:12 amBoston Logan Intl

10h 04m

1 stop

ONT2:16 pmOntario

$357

American Airlines flights from Ontario to Massachusetts

Our best American Airlines deals on Ontario to Massachusetts flight tickets

American Airlines

Sep 26

ONT10:25 amOntario

10h 53m

2 stops

ALB12:18 amAlbany Intl

Sep 29

ALB1:13 pmAlbany Intl

12h 24m

2 stops

ONT10:37 pmOntario

$287

American Airlines

Nov 26

ONT10:30 pmOntario

7h 34m

1 stop

BDL9:04 amHartford Bradley Intl

Dec 3

BDL12:17 pmHartford Bradley Intl

9h 30m

1 stop

ONT6:47 pmOntario

$299

American Airlines

Sep 22

ONT12:37 pmOntario

7h 57m

1 stop

BOS11:34 pmBoston Logan Intl

Oct 13

BOS5:17 amBoston Logan Intl

11h 13m

1 stop

ONT1:30 pmOntario

$303

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Wed 1/6

6:53 pm-8:23 am

1 stop10h 30m

Boston Logan Intl

Tue 1/12

7:30 am-12:33 pm

1 stop8h 03m

$236

Quickest round-trip

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Wed 1/6

6:45 am-4:35 pm

1 stop6h 50m

Boston Logan Intl

Wed 1/13

5:05 am-10:15 am

1 stop8h 10m

$240

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Thu 10/29

12:40 pm-1:10 am

1 stop9h 30m

Boston Logan Intl

Wed 11/4

5:00 am-10:10 am

1 stop8h 10m

$240

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Sat 10/17

7:00 am-7:52 pm

1 stop9h 52m

Boston Logan Intl

Wed 10/21

5:17 am-1:30 pm

1 stop11h 13m

$241

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Wed 9/23

10:25 am-10:29 pm

1 stop9h 04m

Boston Logan Intl

Wed 11/18

10:00 am-6:10 pm

1 stop11h 10m

$241

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Tue 9/15

9:01 am-9:02 pm

1 stop9h 01m

Boston Logan Intl

Sat 9/19

3:49 pm-9:59 pm

1 stop9h 10m

$241

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Tue 9/22

5:15 pm-6:30 am

1 stop10h 15m

Boston Logan Intl

Sat 9/26

6:05 am-12:14 pm

1 stop9h 09m

$297

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Wed 9/16

1:04 pm-11:53 pm

1 stop7h 49m

Boston Logan Intl

Tue 9/22

6:45 pm-11:47 pm

1 stop8h 02m

$297

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Thu 11/12

4:09 pm-5:40 am

1 stop10h 31m

Boston Logan Intl

Mon 11/16

7:13 am-3:13 pm

1 stop11h 00m

$347

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Mon 9/14

6:14 pm-6:09 am

1 stop8h 55m

Boston Logan Intl

Tue 9/22

9:33 am-5:18 pm

1 stop10h 45m

$347

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Massachusetts

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

Prices

Airlines

What is the cheapest month to fly to Massachusetts?

In general, February is the cheapest month to fly from Ontario to Massachusetts. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $338. If you aren’t able to travel to Massachusetts during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $357.

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

You are more likely to see cheaper flights to Massachusetts from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Massachusetts for around $418 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Massachusetts from Ontario for as low as $384 on momondo.

Cheap Ontario to Massachusetts flight deals and tips

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

Fastest flight time	6h 50m
Direct flights	None

The fastest flight from Ontario to Massachusetts takes 6h 50m

There are no direct flights from Ontario to Massachusetts. There are no popular flight routes from Ontario to Massachusetts.

Search flight deals

Frequently asked questions about flying from Ontario to Massachusetts

When did momondo last update prices for flights from Ontario Airport to Massachusetts?
Prices for flights from Ontario Airport to Massachusetts were last updated today.
How many operators does momondo search for flights from Ontario Airport to Massachusetts?
As of August 2026, there are 5 operators available to choose from for flights from Ontario Airport to Massachusetts.
How old do you have to be to fly from Ontario Airport to Massachusetts?
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 Ontario Airport to Massachusetts.
What documentation or ID do you need to fly to Massachusetts?
The travel and health documents required for your trip to Massachusetts 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 Massachusetts. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Massachusetts

Compare and see reviews for airlines that fly from Ontario to Massachusetts with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $189	Free Cancellation	Rating 7.8 8,505 reviews	Search Delta flights
JetBlue	PriceFrom $223	Free Cancellation	Rating 7.1 3,035 reviews	Search JetBlue flights
United Airlines	PriceFrom $238	Free Cancellation	Rating 7.4 10,115 reviews	Search United Airlines flights
American Airlines	PriceFrom $296	Free Cancellation	Rating 7.1 11,915 reviews	Search American Airlines flights
Southwest	PriceFrom $302	Free Cancellation	Rating 8.0 4,218 reviews	Search Southwest flights

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Massachusetts 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 Massachusetts?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Massachusetts.

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

Yes. momondo can track prices for Ontario to Massachusetts flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.