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

Baltimore (BWI) has the shortest average layover time for this route: 1h 03m.

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

Flights via Baltimore (BWI) offer the lowest average round-trip price of $292.

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

Dallas (DFW) was the most common stop: 29% of momondo users choosing 1-stop flights on this route connected there.

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

Flights connecting via Baltimore (BWI) have the shortest average one-way travel time: 7h 20m.

What airlines fly to Boston?

JetBlue, United Airlines and American Airlines 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 43% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 8 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

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

Delta, Southwest, and United Airlines are the most popular carriers operating from Ontario to Boston Logan Intl

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 August 2026, there are 5 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.

$126 Cheap Flights from Ontario to Boston in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Boston

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1:18 pm - 11:50 pmONT Ontario-BOS Boston Logan Intl

7h 32m1 stop Denver Intl

6:00 am - 12:12 pmBOS Boston Logan Intl-ONT Ontario

9h 12m1 stop San Francisco

$347United Airlines

Sat, Sep 5 - Fri, Sep 11

10:29 am - 10:06 pmONT Ontario-BOS Boston Logan Intl

8h 37m1 stop Dallas/Fort Worth

7:02 am - 1:25 pmBOS Boston Logan Intl-ONT Ontario

9h 23m1 stop Dallas/Fort Worth

$347American Airlines

Sat, Sep 5 - Fri, Sep 11

12:59 pm - 11:24 pmONT Ontario-BOS Boston Logan Intl

7h 25m1 stop Phoenix Sky Harbor Intl

1:10 pm - 6:17 pmBOS Boston Logan Intl-ONT Ontario

8h 07m1 stop Phoenix Sky Harbor Intl

$347American Airlines

Sat, Sep 5 - Fri, Sep 11

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

$351Alaska Airlines

Fri, Sep 11 - Sat, Sep 12

11:00 am - 11:59 pmONT Ontario-BOS Boston Logan Intl

9h 59m2 stops San Francisco Washington, D.C. Dulles Intl

11:34 am - 6:11 pmBOS Boston Logan Intl-ONT Ontario

9h 37m1 stop San Francisco

$352United Airlines

Sat, Sep 5 - Fri, Sep 11

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

$354Alaska Airlines

Fri, Sep 18 - Tue, Sep 22

11:56 am - 11:58 pmONT Ontario-BOS Boston Logan Intl

9h 02m1 stop Seattle/Tacoma Intl

4:15 pm - 10:12 pmBOS Boston Logan Intl-ONT Ontario

8h 57m1 stop Salt Lake City

$357Delta

Fri, Oct 30 - Sat, Oct 31

11:56 am - 11:58 pmONT Ontario-BOS Boston Logan Intl

9h 02m1 stop Seattle/Tacoma Intl

6:05 am - 12:21 pmBOS Boston Logan Intl-ONT Ontario

9h 16m1 stop Salt Lake City

$357Delta

Thu, Oct 29 - Fri, Oct 30

2:00 pm - 12:35 amONT Ontario-BOS Boston Logan Intl

7h 35m1 stop Denver Intl

5:50 am - 2:00 pmBOS Boston Logan Intl-ONT Ontario

11h 10m2 stops Baltimore/Washington Denver Intl

$367Southwest

Thu, Sep 10 - Fri, Sep 11

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

9h 30m1 stop Denver Intl

1:05 pm - 8:45 pmBOS Boston Logan Intl-ONT Ontario

10h 40m2 stops Baltimore/Washington Dallas Love Field

$372Southwest

Thu, Oct 22 - Tue, Oct 27

Cheap last minute flights

Enter your travel dates to find the best prices.

12:04 pm - 11:59 pmONT Ontario-BOS Boston Logan Intl

8h 55m1 stop Seattle/Tacoma Intl

7:59 pm - 11:04 amBOS Boston Logan Intl-ONT Ontario

18h 05m1 stop Seattle/Tacoma Intl

$456Alaska Airlines

Tue, Aug 11 - Tue, Sep 1

11:56 am - 12:17 amONT Ontario-BOS Boston Logan Intl

9h 21m1 stop Seattle/Tacoma Intl

6:05 am - 12:16 pmBOS Boston Logan Intl-ONT Ontario

9h 11m1 stop Salt Lake City

$456Delta

Tue, Aug 11 - Mon, Aug 31

11:56 am - 12:17 amONT Ontario-BOS Boston Logan Intl

9h 21m1 stop Seattle/Tacoma Intl

6:05 am - 12:16 pmBOS Boston Logan Intl-ONT Ontario

9h 11m1 stop Salt Lake City

$456Delta

Wed, Aug 12 - Mon, Aug 31

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

Wed, Aug 12 - Sat, Aug 29

6:15 am - 7:50 pmONT Ontario-BOS Boston Logan Intl

10h 35m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

5:51 am - 1:31 pmBOS Boston Logan Intl-ONT Ontario

10h 40m1 stop Dallas/Fort Worth

$492American Airlines

Wed, Aug 12 - Tue, Aug 18

7:05 am - 9:05 pmONT Ontario-BOS Boston Logan Intl

11h 00m1 stop Dallas/Fort Worth

11:04 am - 6:15 pmBOS Boston Logan Intl-ONT Ontario

10h 11m2 stops Philadelphia Phoenix Sky Harbor Intl

$543American Airlines

Sun, Aug 9 - Tue, Aug 11

7:00 am - 5:36 pmONT Ontario-BOS Boston Logan Intl

7h 36m1 stop Chicago O'Hare Intl

6:00 am - 12:12 pmBOS Boston Logan Intl-ONT Ontario

9h 12m1 stop San Francisco

$566United Airlines

Wed, Aug 12 - Sun, Aug 16

7:45 am - 9:20 pmONT Ontario-BOS Boston Logan Intl

10h 35m2 stops Las Vegas Harry Reid Intl Chicago Midway

5:20 am - 10:00 amBOS Boston Logan Intl-ONT Ontario

7h 40m1 stop Denver Intl

$584Southwest

Wed, Aug 12 - Sun, Aug 16

7:45 am - 9:20 pmONT Ontario-BOS Boston Logan Intl

10h 35m2 stops Las Vegas Harry Reid Intl Chicago Midway

9:25 am - 4:55 pmBOS Boston Logan Intl-ONT Ontario

10h 30m2 stops Chicago Midway Las Vegas Harry Reid Intl

$637Southwest

Wed, Aug 12 - Sun, Aug 16

7:00 am - 5:36 pmONT Ontario-BOS Boston Logan Intl

7h 36m1 stop Chicago O'Hare Intl

6:00 am - 12:12 pmBOS Boston Logan Intl-ONT Ontario

9h 12m1 stop San Francisco

$644United Airlines

Tue, Aug 11 - Thu, Aug 13

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Alaska Airlines flights from Ontario to Boston

Our best Alaska Airlines deals on Ontario to Boston flight tickets

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 18

ONT6:14 pmOntario

8h 55m

1 stop

BOS6:09 amBoston Logan Intl

Sep 22

BOS9:33 amBoston Logan Intl

10h 45m

1 stop

ONT5:18 pmOntario

$354

Alaska Airlines

Sep 11

ONT7:12 amOntario

19h 57m

1 stop

BOS6:09 amBoston Logan Intl

Sep 14

BOS7:59 pmBoston Logan Intl

18h 17m

1 stop

ONT11:16 amOntario

$357

Delta flights from Ontario to Boston

Our best Delta deals on Ontario to Boston flight tickets

Delta

Oct 23

ONT1:24 pmOntario

7h 35m

1 stop

BOS11:59 pmBoston Logan Intl

Nov 1

BOS6:05 amBoston Logan Intl

9h 16m

1 stop

ONT12:21 pmOntario

$367

Delta

Aug 23

ONT10:00 pmOntario

8h 39m

1 stop

BOS9:39 amBoston Logan Intl

Sep 4

BOS5:30 amBoston Logan Intl

8h 12m

1 stop

ONT10:42 amOntario

$387

Delta

Aug 24

ONT10:00 pmOntario

8h 39m

1 stop

BOS9:39 amBoston Logan Intl

Aug 30

BOS5:30 amBoston Logan Intl

8h 12m

1 stop

ONT10:42 amOntario

$388

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Sat 9/5

1:18 pm-11:50 pm

1 stop7h 32m

Boston Logan Intl

Fri 9/11

6:00 am-12:12 pm

1 stop9h 12m

$347

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Sat 9/5

10:29 am-10:06 pm

1 stop8h 37m

Boston Logan Intl

Fri 9/11

7:02 am-1:25 pm

1 stop9h 23m

$347

Quickest round-trip

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Sat 9/5

12:59 pm-11:24 pm

1 stop7h 25m

Boston Logan Intl

Fri 9/11

1:10 pm-6:17 pm

1 stop8h 07m

$347

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Fri 9/11

6:14 pm-6:09 am

1 stop8h 55m

Boston Logan Intl

Sat 9/12

9:33 am-5:18 pm

1 stop10h 45m

$351

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Sat 9/5

11:00 am-11:59 pm

2 stops9h 59m

Boston Logan Intl

Fri 9/11

11:34 am-6:11 pm

1 stop9h 37m

$352

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Fri 9/18

6:14 pm-6:09 am

1 stop8h 55m

Boston Logan Intl

Tue 9/22

9:33 am-5:18 pm

1 stop10h 45m

$354

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Fri 10/30

11:56 am-11:58 pm

1 stop9h 02m

Boston Logan Intl

Sat 10/31

4:15 pm-10:12 pm

1 stop8h 57m

$357

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Thu 10/29

11:56 am-11:58 pm

1 stop9h 02m

Boston Logan Intl

Fri 10/30

6:05 am-12:21 pm

1 stop9h 16m

$357

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Thu 9/10

2:00 pm-12:35 am

1 stop7h 35m

Boston Logan Intl

Fri 9/11

5:50 am-2:00 pm

2 stops11h 10m

$367

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Thu 10/22

12:40 pm-1:10 am

1 stop9h 30m

Boston Logan Intl

Tue 10/27

1:05 pm-8:45 pm

2 stops10h 40m

$372

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 typical price of a round-trip flight between Ontario and Boston?

Prices are currently typical for flights on this route.

Typical prices usually range from $344 to $514.
The lowest price recently found on this route was $347.

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 $338. If you aren’t able to travel during the month of February, then book flights to Boston from Ontario during March instead. Flights to Boston in March, while not as cheap as those in February, still average around $357.

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 $406. 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 $495.

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 $392. 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 $467 per ticket.

How far in advance should I book a flight from Ontario 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 $418 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 $384 on momondo.

How have Ontario to Boston flight prices changed over time?

As of August 2026, prices for Ontario to Boston flights are approximately 3% 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	7h 32m
Direct flights	None

The fastest flight from Ontario to Boston takes 7h 32m

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

Search flight deals

Frequently asked questions about flying from Ontario to Boston

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 7h 32m, 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 August 2026, there are 5 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 (34% of total bookings). The next most popular airlines are Southwest (28%), United Airlines (16%), and JetBlue (11%).

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
Delta	PriceFrom $158	Free Cancellation	Rating 7.8 8,504 reviews	Search Delta flights
JetBlue	PriceFrom $223	Free Cancellation	Rating 7.1 3,030 reviews	Search JetBlue flights
United Airlines	PriceFrom $238	Free Cancellation	Rating 7.4 10,086 reviews	Search United Airlines flights
American Airlines	PriceFrom $296	Free Cancellation	Rating 7.1 11,889 reviews	Search American Airlines flights
Southwest	PriceFrom $302	Free Cancellation	Rating 8.0 4,216 reviews	Search Southwest flights

Hampton Beach

Ogunquit

Salem

Old Orchard Beach

Laconia

Hampton

Cambridge

South Yarmouth

Plymouth

Revere

Middletown

Kennebunkport

Warwick

Gloucester

York Beach

Everett

South Portland

Brockton

Seekonk

Falmouth

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

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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 $126

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 8/31. 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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Alaska Airlines flights from Ontario to Boston

Our best Alaska Airlines deals on Ontario to Boston flight tickets

Delta flights from Ontario to Boston

Our best Delta deals on Ontario to Boston flight tickets

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See travel insights to Boston from

How to get the cheapest flight ticket from Ontario to Boston

What is the typical price of a round-trip flight between Ontario and 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 from Ontario 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

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario to Boston

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?

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

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