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

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

Chicago (MDW) was the most common stop: 24% of momondo users choosing 1-stop flights on this route connected there.

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

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

What airlines fly to Boston?

JetBlue, American Airlines and United 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.

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.

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 October 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.

$133 Cheap Flights from Ontario to Boston in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Boston

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One-way

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Enter your travel dates to find the best prices.

6:00 am - 11:59 pmONT Ontario-BOS Boston Logan Intl

14h 59m1 stop Seattle/Tacoma Intl

4:56 pm - 11:54 pmBOS Boston Logan Intl-ONT Ontario

9h 58m1 stop Portland

$347Alaska Airlines

Thu, Dec 3 - Wed, Dec 9

6:00 am - 11:59 pmONT Ontario-BOS Boston Logan Intl

14h 59m1 stop Seattle/Tacoma Intl

4:56 pm - 11:54 pmBOS Boston Logan Intl-ONT Ontario

9h 58m1 stop Portland

$348Alaska Airlines

Thu, Dec 3 - Wed, Dec 9

6:00 am - 5:05 pmONT Ontario-BOS Boston Logan Intl

8h 05m1 stop Dallas/Fort Worth

3:31 pm - 11:48 pmBOS Boston Logan Intl-ONT Ontario

11h 17m1 stop Dallas/Fort Worth

$377American Airlines

Mon, Nov 23 - Wed, Dec 2

6:00 am - 7:33 pmONT Ontario-BOS Boston Logan Intl

10h 33m1 stop Dallas/Fort Worth

6:36 am - 12:38 pmBOS Boston Logan Intl-ONT Ontario

9h 02m1 stop Phoenix Sky Harbor Intl

$377American Airlines

Tue, Nov 3 - Tue, Nov 17

11:25 am - 10:15 pmONT Ontario-BOS Boston Logan Intl

7h 50m1 stop Nashville Intl

12:50 pm - 6:15 pmBOS Boston Logan Intl-ONT Ontario

8h 25m1 stop Chicago Midway

$377Southwest

Thu, Dec 3 - Wed, Dec 9

6:00 am - 4:29 pmONT Ontario-BOS Boston Logan Intl

7h 29m1 stop Salt Lake City

6:00 am - 12:30 pmBOS Boston Logan Intl-ONT Ontario

9h 30m1 stop Salt Lake City

$377Delta

Wed, Dec 16 - Wed, Jan 6

1:11 pm - 12:13 amONT Ontario-BOS Boston Logan Intl

8h 02m1 stop Salt Lake City

10:35 am - 4:12 pmBOS Boston Logan Intl-ONT Ontario

8h 37m1 stop Salt Lake City

$377Delta

Fri, Dec 11 - Tue, Jan 5

2:45 pm - 12:25 amONT Ontario-BOS Boston Logan Intl

6h 40m1 stop Denver Intl

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

8h 00m1 stop Denver Intl

$382Southwest

Fri, Jan 15 - Mon, Jan 18

6:00 am - 4:49 pmONT Ontario-BOS Boston Logan Intl

7h 49m1 stop Houston George Bush Intcntl

9:00 am - 3:33 pmBOS Boston Logan Intl-ONT Ontario

9h 33m1 stop San Francisco

$382United Airlines

Wed, Oct 28 - Wed, Nov 4

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

$382United Airlines

Tue, Mar 9 - Wed, Mar 17

Cheap last minute flights

Enter your travel dates to find the best prices.

1:35 pm - 11:59 pmONT Ontario-BOS Boston Logan Intl

7h 24m1 stop Salt Lake City

2:15 pm - 7:30 pmBOS Boston Logan Intl-ONT Ontario

8h 15m1 stop Atlanta Hartsfield-Jackson

$476Delta

Tue, Oct 20 - Sat, Oct 31

7:07 am - 6:02 pmONT Ontario-BOS Boston Logan Intl

7h 55m1 stop Atlanta Hartsfield-Jackson

11:15 am - 4:23 pmBOS Boston Logan Intl-ONT Ontario

8h 08m1 stop Salt Lake City

$476Delta

Sat, Oct 17 - Thu, Oct 29

6:00 am - 5:29 pmONT Ontario-BOS Boston Logan Intl

8h 29m1 stop Houston George Bush Intcntl

3:28 pm - 9:40 pmBOS Boston Logan Intl-ONT Ontario

9h 12m1 stop Houston George Bush Intcntl

$476United Airlines

Sat, Oct 17 - Mon, Oct 26

7:25 am - 6:12 amONT Ontario-BOS Boston Logan Intl

19h 47m1 stop Portland

6:40 pm - 10:17 amBOS Boston Logan Intl-ONT Ontario

18h 37m1 stop Seattle/Tacoma Intl

$490Alaska Airlines

Tue, Oct 20 - Tue, Oct 27

11:13 am - 11:59 pmONT Ontario-BOS Boston Logan Intl

9h 46m1 stop Seattle/Tacoma Intl

4:58 pm - 11:42 pmBOS Boston Logan Intl-ONT Ontario

9h 44m1 stop Seattle/Tacoma Intl

$502Alaska Airlines

Tue, Oct 20 - Fri, Oct 23

11:10 am - 9:40 pmONT Ontario-BOS Boston Logan Intl

7h 30m1 stop Nashville Intl

10:20 am - 10:00 pmBOS Boston Logan Intl-ONT Ontario

14h 40m2 stops Austin Bergstrom Las Vegas Harry Reid Intl

$513Southwest

Sat, Oct 17 - Sun, Nov 22

9:40 am - 11:20 pmONT Ontario-BOS Boston Logan Intl

10h 40m2 stops Las Vegas Harry Reid Intl Denver Intl

10:20 am - 10:00 pmBOS Boston Logan Intl-ONT Ontario

14h 40m2 stops Austin Bergstrom Las Vegas Harry Reid Intl

$518Southwest

Sat, Oct 17 - Sun, Nov 22

1:24 pm - 11:59 pmONT Ontario-BOS Boston Logan Intl

7h 35m1 stop Denver Intl

1:29 pm - 8:51 pmBOS Boston Logan Intl-ONT Ontario

10h 22m2 stops Chicago O'Hare Intl Denver Intl

$547United Airlines

Mon, Oct 19 - Fri, Nov 13

7:00 am - 7:37 pmONT Ontario-BOS Boston Logan Intl

9h 37m1 stop Dallas/Fort Worth

4:49 pm - 10:59 pmBOS Boston Logan Intl-ONT Ontario

9h 10m1 stop Charlotte Douglas

$557American Airlines

Tue, Oct 20 - Thu, Oct 22

4:29 pm - 5:45 amONT Ontario-BOS Boston Logan Intl

10h 16m1 stop Phoenix Sky Harbor Intl

8:45 am - 3:16 pmBOS Boston Logan Intl-ONT Ontario

9h 31m1 stop Phoenix Sky Harbor Intl

$658American Airlines

Fri, Oct 16 - Tue, Oct 20

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Alaska Airlines flights from Ontario to Boston

Our best Alaska Airlines deals on Ontario to Boston flight tickets

Alaska Airlines

Dec 3

ONT6:00 amOntario

14h 59m

1 stop

BOS11:59 pmBoston Logan Intl

Dec 9

BOS4:56 pmBoston Logan Intl

9h 58m

1 stop

ONT11:54 pmOntario

$347

Alaska Airlines

Dec 3

ONT6:00 amOntario

14h 59m

1 stop

BOS11:59 pmBoston Logan Intl

Dec 9

BOS4:56 pmBoston Logan Intl

9h 58m

1 stop

ONT11:54 pmOntario

$348

Alaska Airlines

Dec 3

ONT6:00 amOntario

14h 59m

1 stop

BOS11:59 pmBoston Logan Intl

Dec 9

BOS6:13 pmBoston Logan Intl

25h 43m

2 stops

ONT4:56 pmOntario

$354

Delta flights from Ontario to Boston

Our best Delta deals on Ontario to Boston flight tickets

Delta

Nov 6

ONT6:00 pmOntario

10h 35m

1 stop

BOS7:35 amBoston Logan Intl

Nov 9

BOS7:50 amBoston Logan Intl

12h 26m

1 stop

ONT5:16 pmOntario

$377

Delta

Dec 13

ONT1:11 pmOntario

8h 02m

1 stop

BOS12:13 amBoston Logan Intl

Jan 7

BOS10:35 amBoston Logan Intl

8h 37m

1 stop

ONT4:12 pmOntario

$382

Delta

Oct 24

ONT1:35 pmOntario

7h 24m

1 stop

BOS11:59 pmBoston Logan Intl

Oct 29

BOS11:15 amBoston Logan Intl

8h 08m

1 stop

ONT4:23 pmOntario

$387

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Thu 12/3

6:00 am-11:59 pm

1 stop14h 59m

Boston Logan Intl

Wed 12/9

4:56 pm-11:54 pm

1 stop9h 58m

$347

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Thu 12/3

6:00 am-11:59 pm

1 stop14h 59m

Boston Logan Intl

Wed 12/9

4:56 pm-11:54 pm

1 stop9h 58m

$348

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Mon 11/23

6:00 am-5:05 pm

1 stop8h 05m

Boston Logan Intl

Wed 12/2

3:31 pm-11:48 pm

1 stop11h 17m

$377

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Tue 11/3

6:00 am-7:33 pm

1 stop10h 33m

Boston Logan Intl

Tue 11/17

6:36 am-12:38 pm

1 stop9h 02m

$377

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Thu 12/3

11:25 am-10:15 pm

1 stop7h 50m

Boston Logan Intl

Wed 12/9

12:50 pm-6:15 pm

1 stop8h 25m

$377

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Wed 12/16

6:00 am-4:29 pm

1 stop7h 29m

Boston Logan Intl

Wed 1/6

6:00 am-12:30 pm

1 stop9h 30m

$377

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Fri 12/11

1:11 pm-12:13 am

1 stop8h 02m

Boston Logan Intl

Tue 1/5

10:35 am-4:12 pm

1 stop8h 37m

$377

Quickest round-trip

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Fri 1/15

2:45 pm-12:25 am

1 stop6h 40m

Boston Logan Intl

Mon 1/18

5:00 am-10:00 am

1 stop8h 00m

$382

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Wed 10/28

6:00 am-4:49 pm

1 stop7h 49m

Boston Logan Intl

Wed 11/4

9:00 am-3:33 pm

1 stop9h 33m

$382

OntarioBoston

ONT Ontario - BOS Boston Logan Intl

ONTBOS

Ontario

Tue 3/9

6:53 pm-8:23 am

1 stop10h 30m

Boston Logan Intl

Wed 3/17

7:30 am-12:33 pm

1 stop8h 03m

$382

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 low for flights on this route.

Typical prices usually range from $386 to $534.
The lowest price recently found on this route was $372.

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 $356.

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 $422. 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 $524.

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 at noon. momondo users have found flights departing from Ontario to Boston at noon for as low as $418. 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 $480 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 $427 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 $358 on momondo.

How have Ontario to Boston flight prices changed over time?

As of October 2026, prices for Ontario to Boston flights are approximately 14% 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

Best Price Found	$133
Fastest flight time	7h 24m
Direct flights	None

The best one-way flight to Boston from Ontario in the past 72 hours is $133. The best round-trip flight deal from Ontario to Boston found on momondo in the last 72 hours is $347.

The fastest flight from Ontario to Boston takes 7h 24m

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 24m, 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 October 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 (14%), and JetBlue (12%).

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 $189	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 10,360 reviews	Search United Airlines flights
JetBlue	PriceFrom $264	Free Cancellation	Rating 7.1 3,051 reviews	Search JetBlue flights
Southwest	PriceFrom $284	Free Cancellation	Rating 7.9 4,215 reviews	Search Southwest flights
American Airlines	PriceFrom $296	Free Cancellation	Rating 7.0 12,164 reviews	Search American Airlines flights

Hampton Beach

Ogunquit

Old Orchard Beach

Salem

Laconia

Kennebunkport

Cambridge

Hampton

Revere

South Yarmouth

Plymouth

Middletown

South Portland

Warwick

Everett

Seekonk

Wells

Gloucester

Brockton

Nashua

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.

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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 $133

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 10/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ontario to Boston

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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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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 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

Best Price Found

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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According to popular flight searches on momondo this year

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