Which layover airport has the shortest travel time from Ontario to Boston?

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 7h 30m.

What airlines fly to Boston?

JetBlue, United Airlines and Delta are the top three most popular airlines that fly to Boston from Ontario according to our data. JetBlue is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 9 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Ontario to Boston?

Flights via New York (JFK) offer the lowest average round-trip price of $319.

Which layover airport has the shortest connection time from Ontario to Boston?

Phoenix (PHX) has the shortest average layover time for this route: 1h 19m.

What is the cheapest airline that flies from Ontario to Boston Logan Intl?

United Airlines is the most popular carrier operating from Ontario to Boston Logan Intl

Which airport is the most popular layover for flights between Ontario and Boston?

Phoenix (PHX) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

When did momondo last update prices for flights from Ontario Airport to Boston Logan Intl Airport?

Prices for flights from Ontario Airport to Boston Logan Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario Airport to Boston Logan Intl Airport?

As of February 2026, there are 6 operators available to choose from for flights from Ontario Airport to Boston Logan Intl Airport.

How old do you have to be to fly from Ontario Airport to Boston Logan Intl 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 Boston Logan Intl Airport.

What documentation or ID do you need to fly to Boston Logan Intl Airport?

The required travel and health documents for your Boston Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$103 Cheap Flights from Ontario to Boston in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ontario to Boston

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:37 pm - 8:13 am

ONT

BOS

10h 36m

1 stop

4:30 pm - 10:18 pm

BOS

ONT

8h 48m

1 stop

$254United Airlines

Mon, Mar 9 - Wed, Mar 11

10:39 am - 11:59 pm

ONT

BOS

10h 20m

1 stop

4:33 pm - 11:59 pm

BOS

ONT

10h 26m

1 stop

$259Alaska Airlines

Wed, Apr 29 - Thu, Apr 30

11:59 pm - 12:56 pm

ONT

BOS

9h 57m

2 stops

4:30 pm - 10:18 pm

BOS

ONT

8h 48m

1 stop

$264United Airlines

Tue, Mar 10 - Wed, Mar 18

4:02 pm - 6:54 am

ONT

BOS

11h 52m

1 stop

7:00 am - 3:08 pm

BOS

ONT

11h 08m

1 stop

$265Hawaiian Airlines

Thu, Mar 5 - Wed, Mar 11

11:58 pm - 12:16 pm

ONT

BOS

9h 18m

2 stops

2:40 pm - 10:07 pm

BOS

ONT

10h 27m

2 stops

$269American Airlines

Tue, Mar 10 - Tue, Mar 17

7:35 pm - 9:27 am

ONT

BOS

10h 52m

2 stops

3:16 pm - 10:36 pm

BOS

ONT

10h 20m

1 stop

$274American Airlines

Fri, May 1 - Tue, May 5

4:02 pm - 6:54 am

ONT

BOS

11h 52m

1 stop

4:36 pm - 11:52 pm

BOS

ONT

10h 16m

1 stop

$276Alaska Airlines

Wed, Mar 4 - Thu, Mar 12

10:39 am - 11:59 pm

ONT

BOS

10h 20m

1 stop

4:33 pm - 11:59 pm

BOS

ONT

10h 26m

1 stop

$278Alaska Airlines

Tue, Apr 28 - Fri, May 1

12:02 pm - 11:59 pm

ONT

BOS

8h 57m

1 stop

7:00 am - 3:08 pm

BOS

ONT

11h 08m

1 stop

$279Hawaiian Airlines

Thu, Mar 5 - Wed, Mar 11

4:02 pm - 6:54 am

ONT

BOS

11h 52m

1 stop

7:00 am - 3:08 pm

BOS

ONT

11h 08m

1 stop

$281Hawaiian Airlines

Thu, Mar 5 - Wed, Mar 11

United Airlines flights from Ontario to Boston

Our best United Airlines deals on Ontario to Boston flight tickets

United Airlines

Mar 10

ONT6:37 pmOntario

10h 36m

1 stop

BOS8:13 amBoston Logan Intl

Mar 18

BOS5:45 amBoston Logan Intl

9h 33m

1 stop

ONT12:18 pmOntario

$254

United Airlines

Mar 10

ONT11:59 pmOntario

9h 57m

2 stops

BOS12:56 pmBoston Logan Intl

Mar 18

BOS4:30 pmBoston Logan Intl

8h 48m

1 stop

ONT10:18 pmOntario

$264

United Airlines

Mar 2

ONT1:50 pmOntario

7h 59m

1 stop

BOS12:49 amBoston Logan Intl

Mar 10

BOS8:45 amBoston Logan Intl

11h 56m

2 stops

ONT5:41 pmOntario

$283

Alaska Airlines flights from Ontario to Boston

Our best Alaska Airlines deals on Ontario to Boston flight tickets

Alaska Airlines

Apr 29

ONT10:39 amOntario

10h 20m

1 stop

BOS11:59 pmBoston Logan Intl

Apr 30

BOS4:33 pmBoston Logan Intl

10h 26m

1 stop

ONT11:59 pmOntario

$259

Alaska Airlines

Mar 4

ONT4:02 pmOntario

11h 52m

1 stop

BOS6:54 amBoston Logan Intl

Mar 12

BOS4:36 pmBoston Logan Intl

10h 16m

1 stop

ONT11:52 pmOntario

$276

Alaska Airlines

Apr 28

ONT10:39 amOntario

10h 20m

1 stop

BOS11:59 pmBoston Logan Intl

May 1

BOS4:33 pmBoston Logan Intl

10h 26m

1 stop

ONT11:59 pmOntario

$278

Fly from

Fly to

Route

Depart

Return

Price

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Mon 3/9

6:37 pm-8:13 am

1 stop10h 36m

Boston Logan Intl

Wed 3/11

4:30 pm-10:18 pm

1 stop8h 48m

$254

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Wed 4/29

10:39 am-11:59 pm

1 stop10h 20m

Boston Logan Intl

Thu 4/30

4:33 pm-11:59 pm

1 stop10h 26m

$259

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Tue 3/10

11:59 pm-12:56 pm

2 stops9h 57m

Boston Logan Intl

Wed 3/18

4:30 pm-10:18 pm

1 stop8h 48m

$264

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Thu 3/5

4:02 pm-6:54 am

1 stop11h 52m

Boston Logan Intl

Wed 3/11

7:00 am-3:08 pm

1 stop11h 08m

$265

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Tue 3/10

11:58 pm-12:16 pm

2 stops9h 18m

Boston Logan Intl

Tue 3/17

2:40 pm-10:07 pm

2 stops10h 27m

$269

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Fri 5/1

7:35 pm-9:27 am

2 stops10h 52m

Boston Logan Intl

Tue 5/5

3:16 pm-10:36 pm

1 stop10h 20m

$274

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Wed 3/4

4:02 pm-6:54 am

1 stop11h 52m

Boston Logan Intl

Thu 3/12

4:36 pm-11:52 pm

1 stop10h 16m

$276

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Tue 4/28

10:39 am-11:59 pm

1 stop10h 20m

Boston Logan Intl

Fri 5/1

4:33 pm-11:59 pm

1 stop10h 26m

$278

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Thu 3/5

12:02 pm-11:59 pm

1 stop8h 57m

Boston Logan Intl

Wed 3/11

7:00 am-3:08 pm

1 stop11h 08m

$279

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Thu 3/5

4:02 pm-6:54 am

1 stop11h 52m

Boston Logan Intl

Wed 3/11

7:00 am-3:08 pm

1 stop11h 08m

$281

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 Boston

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

Layovers

What is the cheapest month to fly to Boston?

In general, February is the cheapest month to fly from Ontario to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $331. If you aren’t able to travel during the month of February, then book flights to Boston from Ontario during January instead. Flights to Boston in January, while not as cheap as those in February, still average around $369.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from Ontario to Boston is on a Tuesday when prices can be found for as low as $387. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $473.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from Ontario to Boston in the afternoon for as low as $353. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around $445 per ticket.

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $412 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Ontario for as low as $354 on momondo.

How have Ontario to Boston flight prices changed over time?

As of February 2026, prices for Ontario to Boston flights are approximately 29% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Boston according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Boston (ONT to BOS) flight deals and tips

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

Fastest flight time	6h 59m
Direct flights	None

The fastest flight from Ontario to Boston takes 6h 59m

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

Search flight deals

How far is Ontario to Boston Logan Intl by plane?
The distance between Ontario and Boston Logan Intl is about 2558.5 mi. Flights usually cover this in 6h 59m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ontario Airport to Boston Logan Intl Airport?
Prices for flights from Ontario Airport to Boston Logan Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Boston Logan Intl Airport?
As of February 2026, there are 6 operators available to choose from for flights from Ontario Airport to Boston Logan Intl Airport.
How old do you have to be to fly from Ontario Airport to Boston Logan Intl 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 Boston Logan Intl Airport.
What documentation or ID do you need to fly to Boston Logan Intl Airport?
The required travel and health documents for your Boston Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Ontario to Boston?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Boston is American Airlines (45% of total bookings). The next most popular airlines are Southwest (20%), United Airlines (15%), and JetBlue (9%).

Best airlines flying from Ontario to Boston

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $155	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
Delta	PriceFrom $178	Free Cancellation	Rating 7.9 8,183 reviews	Search Delta flights
United Airlines	PriceFrom $266	Free Cancellation	Rating 7.4 9,282 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $278	Free Cancellation	Rating 8.0 11,879 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $297	Free Cancellation	Rating 7.2 11,272 reviews	Search American Airlines flights
Southwest	PriceFrom $311	Free Cancellation	Rating 8.0 4,282 reviews	Search Southwest flights

Hampton Beach

Salem

Ogunquit

Old Orchard Beach

Hampton

York Beach

Kennebunkport

Plymouth

Cambridge

South Yarmouth

Narragansett

Gloucester

Falmouth

Nashua

Brockton

Laconia

Warwick

Sturbridge

Chatham

Everett

Why use momondo?

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

It is quick and easy to find Ontario to Boston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boston that suits you.

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

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

momondo provides multiple filters to help you find the best flight to Boston from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Boston 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 Boston 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 3/14

Sat 3/21

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Ontario

Complete your trip

Feeling lucky

Airports servicing Massachusetts

Nantucket Memorial Airport

Bedford Hanscom Field Airport

Beverly Airport

New Bedford Regional Airport

Hyannis Barnstable Airport

West Tisbury Martha's Vineyard Airport

Worcester Airport

Norwood Memorial Airport

Provincetown Airport

Cape Cod and the Islands Airport

Nantucket Island Airport

Cheap flights from Ontario to Boston from $103

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 4/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ontario to Boston

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

United Airlines flights from Ontario to Boston

Our best United Airlines deals on Ontario to Boston flight tickets

Alaska Airlines flights from Ontario to Boston

Our best Alaska Airlines deals on Ontario to Boston flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to Boston that are best for you.

See travel insights to Boston from

How to get the cheapest flight ticket from Ontario to Boston

What is the cheapest month to fly to Boston?

What is the cheapest day to depart on your flight to Boston?

What is the cheapest time of day to depart on your flight to Boston?

How far in advance should I book a flight to Boston?

How have Ontario to Boston flight prices changed over time?

What is the cheapest airline that flies from Ontario to Boston Logan Intl?

What airlines fly to Boston?

Which airport is the most popular layover for flights between Ontario and Boston?

Which layover airport offers the lowest fares from Ontario to Boston?

Which layover airport has the shortest travel time from Ontario to Boston?

Which layover airport has the shortest connection time from Ontario to Boston?

When to book flights from Ontario to Boston

Cheap Ontario to Boston (ONT to BOS) flight deals and tips

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

Fastest flight time

Direct flights

Best airlines flying from Ontario to Boston

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

Traveling to a place near Boston?

Why use momondo?

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

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

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

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

An easier way to manage your Boston 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Massachusetts

Fly your favorite airline to Boston

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Boston

List of cabin classes available on flights landing in Boston. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Ontario

According to popular flight searches on momondo this year

Complete your trip to Boston

Explore popular destinations other users love

According to popular flight searches on momondo this year