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Cheap flights from Ontario to Boston 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 Ontario to Boston departing on 1/9. 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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Find the cheapest flights from Ontario to Boston

Cheap round-trip flights

These are some of the best round-trip flight deals from Ontario to Boston that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ontario to Boston.

Cheap last minute flights

Planning a quick getaway from Ontario to Boston? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Boston, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ontario to Boston

Find recent round-trip train or bus tickets from Ontario to Boston.

All round-trip flight deals to Boston

The cheapest plane tickets to Boston found on KAYAK recently.
6:10 am - 4:46 pmONT-BOS
7h 36m1 stop
7:20 am - 1:51 pmBOS-ONT
9h 31m1 stop
$278American Airlines
Find Deal
Sat, Jan 18 - Tue, Jan 21
6:00 am - 5:40 pmONT-BOS
8h 40m1 stop
6:00 am - 1:51 pmBOS-ONT
10h 51m2 stops
$283American Airlines
Find Deal
Sat, Jan 18 - Tue, Jan 21
1:21 pm - 12:19 amONT-BOS
7h 58m1 stop
6:15 am - 12:26 pmBOS-ONT
9h 11m1 stop
$308Delta
Find Deal
Fri, Jan 17 - Sat, Jan 25
6:00 am - 4:48 pmONT-BOS
7h 48m1 stop
7:00 am - 12:43 pmBOS-ONT
8h 43m1 stop
$312United Airlines
Find Deal
Tue, Jan 7 - Sat, Jan 11
3:50 pm - 10:10 amONT-BOS
15h 20m2 stops
6:05 am - 10:20 pmBOS-ONT
19h 15m2 stops
$316Southwest
Find Deal
Mon, Jan 27 - Wed, Jan 29
10:47 am - 9:43 pmONT-BOS
7h 56m1 stop
5:45 am - 12:43 pmBOS-ONT
9h 58m2 stops
$317United Airlines
Find Deal
Tue, Jan 7 - Sat, Jan 11
4:06 pm - 4:24 pmONT-BOS
21h 18m1 stop
7:00 am - 3:11 pmBOS-ONT
11h 11m1 stop
$325Alaska Airlines
Find Deal
Tue, Jan 28 - Fri, Jan 31
5:44 pm - 4:24 pmONT-BOS
19h 40m2 stops
7:00 am - 3:11 pmBOS-ONT
11h 11m1 stop
$330Alaska Airlines
Find Deal
Tue, Jan 28 - Fri, Jan 31
1:21 pm - 12:19 amONT-BOS
7h 58m1 stop
7:10 am - 3:25 pmBOS-ONT
11h 15m1 stop
$342Delta
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Thu, Jan 9 - Tue, Jan 14
5:25 am - 3:15 pmONT-BOS
6h 50m1 stop
5:25 am - 3:20 pmBOS-ONT
12h 55m1 stop
$416Southwest
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Sun, Jan 12 - Fri, Jan 17
6:42 pm - 12:00 pmONT-BOS
14h 18m2 stops
$108Frontier
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Thu, Jan 9
2:58 pm - 11:47 amONT-BOS
17h 49m2 stops
$109Frontier
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Thu, Jan 16
10:50 pm - 10:58 amONT-BOS
9h 08m1 stop
$139American Airlines
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Sat, Feb 15
10:00 am - 8:23 pmONT-BOS
7h 23m1 stop
$141American Airlines
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Tue, Jan 7
6:00 am - 7:15 pmONT-BOS
10h 15m2 stops
$155United Airlines
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Tue, Feb 18
12:55 pm - 12:50 amONT-BOS
8h 55m1 stop
$158Delta
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Wed, Dec 25
1:21 pm - 12:19 amONT-BOS
7h 58m1 stop
$173Delta
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Tue, Jan 7
8:05 pm - 10:10 amONT-BOS
11h 05m2 stops
$183Southwest
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Tue, Feb 18
10:47 am - 11:59 pmONT-BOS
10h 12m2 stops
$194United Airlines
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Tue, Jan 7
9:20 am - 9:40 pmONT-BOS
9h 20m2 stops
$203Southwest
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Tue, Jan 21
11:56 am - 12:57 amONT-BOS
10h 01m1 stop
6:00 am - 12:20 pmBOS-ONT
9h 20m1 stop
$507Delta
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Mon, Dec 23 - Fri, Jan 3
10:02 am - 8:23 pmONT-BOS
7h 21m1 stop
6:06 pm - 11:58 pmBOS-ONT
8h 52m1 stop
$527American Airlines
Find Deal
Fri, Dec 20 - Sun, Jan 19
12:46 pm - 11:56 pmONT-BOS
8h 10m1 stop
2:40 pm - 10:16 pmBOS-ONT
10h 36m2 stops
$541American Airlines
Find Deal
Fri, Dec 20 - Sun, Jan 19
4:58 pm - 6:40 amONT-BOS
10h 42m1 stop
6:00 am - 12:08 pmBOS-ONT
9h 08m1 stop
$567Delta
Find Deal
Sat, Dec 21 - Tue, Dec 31
6:10 am - 7:35 pmONT-BOS
10h 25m1 stop
7:00 am - 12:43 pmBOS-ONT
8h 43m1 stop
$627United Airlines
Find Deal
Mon, Dec 23 - Sat, Jan 18
1:42 pm - 11:44 pmONT-BOS
7h 02m1 stop
3:25 pm - 8:51 pmBOS-ONT
8h 26m1 stop
$631United Airlines
Find Deal
Sat, Dec 21 - Sat, Jan 11
6:20 am - 7:20 pmONT-BOS
10h 00m2 stops
1:25 pm - 8:45 pmBOS-ONT
10h 20m2 stops
$657Southwest
Find Deal
Fri, Dec 20 - Sun, Jan 19
8:40 am - 7:20 pmONT-BOS
7h 40m1 stop
8:55 am - 3:55 pmBOS-ONT
10h 00m2 stops
$721Southwest
Find Deal
Thu, Dec 19 - Tue, Dec 31
10:40 am - 5:33 amONT-BOS
15h 53m1 stop
9:00 am - 9:45 amBOS-ONT
27h 45m2 stops
$724Alaska Airlines
Find Deal
Mon, Dec 23 - Fri, Jan 3
8:32 pm - 5:33 amONT-BOS
30h 01m1 stop
8:20 pm - 10:13 pmBOS-ONT
28h 53m1 stop
$813Alaska Airlines
Find Deal
Mon, Dec 23 - Sun, Jan 5

Alaska Airlines flights from Ontario to Boston

Our best Alaska Airlines deals on Ontario to Boston flight tickets
Alaska Airlines
Jan 28
ONT4:06 pmOntario
21h 18m
1 stop
BOS4:24 pmBoston Logan Intl
Jan 31
BOS7:00 amBoston Logan Intl
11h 11m
1 stop
ONT3:11 pmOntario
Alaska Airlines
Jan 28
ONT5:44 pmOntario
19h 40m
2 stops
BOS4:24 pmBoston Logan Intl
Jan 31
BOS7:00 amBoston Logan Intl
11h 11m
1 stop
ONT3:11 pmOntario
Alaska Airlines
Jan 23
ONT11:33 amOntario
9h 26m
1 stop
BOS11:59 pmBoston Logan Intl
Feb 4
BOS5:55 pmBoston Logan Intl
29h 18m
1 stop
ONT8:13 pmOntario

American Airlines flights from Ontario to Boston

Our best American Airlines deals on Ontario to Boston flight tickets
American Airlines
Jan 18
ONT6:10 amOntario
7h 36m
1 stop
BOS4:46 pmBoston Logan Intl
Jan 21
BOS7:20 amBoston Logan Intl
9h 31m
1 stop
ONT1:51 pmOntario
American Airlines
Jan 18
ONT6:00 amOntario
8h 40m
1 stop
BOS5:40 pmBoston Logan Intl
Jan 21
BOS6:00 amBoston Logan Intl
10h 51m
2 stops
ONT1:51 pmOntario
American Airlines
Jan 18
ONT7:00 amOntario
10h 52m
2 stops
BOS8:52 pmBoston Logan Intl
Jan 21
BOS6:00 amBoston Logan Intl
10h 51m
2 stops
ONT1:51 pmOntario

See travel insights to Boston from

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

What is the cheapest month to fly to Boston?

In general, September 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 $304. If you aren’t able to travel during the month of September, then book flights to Boston from Ontario during January instead. Flights to Boston in January, while not as cheap as those in September, still average around $309.

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

The cheapest day to depart from Ontario to Boston is on a Wednesday when prices can be found for as low as $376. 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 $480.

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 $351. 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 $434 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 45 days ahead of your departure date. In general, you can expect to find flights to Boston for around $439 when searching 45 days 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 $260 on momondo.

Can stopping save me money on Ontario to Boston flights?

You could potentially save up to 22% on your flight if you consider stops on a Ontario to Boston flight.

How have Ontario to Boston flight prices changed over time?

As of December 2024, prices for Ontario to Boston flights are approximately 36% 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

$108

Fastest flight time

6h 50m

Direct flights

None

Airports in Boston

1 airport
The best one-way flight to Boston from Ontario in the past 72 hours is $108. The best round-trip flight deal from Ontario to Boston found on momondo in the last 72 hours is $278.
The fastest flight from Ontario to Boston takes 6h 50m
There are no direct flights from Ontario to Boston. Popular non-direct route for this connection is Ontario Airport - Boston Logan Intl Airport.
There is 1 airport near Boston: Boston Logan Intl (BOS)

  • 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 50m, 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?

  • 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?


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
Spirit AirlinesPriceFrom $131Free CancellationRating
6.3
8,119 reviews
Search Spirit Airlines flights
JetBluePriceFrom $135Free CancellationRating
7.4
3,279 reviews
Search JetBlue flights
DeltaPriceFrom $248Free CancellationRating
8.0
8,604 reviews
Search Delta flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
9,059 reviews
Search United Airlines flights
SouthwestPriceFrom $288Free CancellationRating
8.1
4,848 reviews
Search Southwest flights
American AirlinesPriceFrom $293Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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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