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Cheap flights from Ontario to Boston from $95

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 4/1. 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 from Ontario to Boston

The cheapest plane tickets from Ontario to Boston found on KAYAK recently.
6:59 pm - 11:55 amONT-BOS
13h 56m1 stop
12:55 pm - 6:58 pmBOS-ONT
9h 03m1 stop
$191Frontier
Find Deal
mar., abr. 1 - mié., abr. 9
6:13 pm - 11:55 amONT-BOS
14h 42m1 stop
12:55 pm - 6:58 pmBOS-ONT
9h 03m1 stop
$201Frontier
Find Deal
jue., abr. 3 - mié., abr. 9
10:50 pm - 10:58 amONT-BOS
9h 08m1 stop
2:31 pm - 9:02 pmBOS-ONT
9h 31m1 stop
$269American Airlines
Find Deal
sáb., feb. 15 - mar., feb. 18
10:05 am - 11:26 pmONT-BOS
10h 21m2 stops
2:31 pm - 9:02 pmBOS-ONT
9h 31m1 stop
$274American Airlines
Find Deal
sáb., feb. 15 - mar., feb. 18
4:05 pm - 6:55 amONT-BOS
11h 50m1 stop
6:35 pm - 11:51 pmBOS-ONT
8h 16m1 stop
$309Delta
Find Deal
vie., feb. 28 - lun., mar. 3
1:21 pm - 11:42 pmONT-BOS
7h 21m1 stop
3:50 pm - 10:52 pmBOS-ONT
10h 02m1 stop
$313Delta
Find Deal
sáb., feb. 15 - mar., feb. 25
11:25 am - 12:05 amONT-BOS
9h 40m1 stop
5:50 am - 12:45 pmBOS-ONT
9h 55m2 stops
$322Southwest
Find Deal
mié., abr. 2 - lun., abr. 7
5:10 am - 3:48 pmONT-BOS
7h 38m1 stop
7:00 am - 12:41 pmBOS-ONT
8h 41m1 stop
$336United Airlines
Find Deal
vie., feb. 7 - mar., feb. 11
5:10 am - 7:38 pmONT-BOS
11h 28m2 stops
3:14 pm - 8:51 pmBOS-ONT
8h 37m1 stop
$341United Airlines
Find Deal
vie., feb. 7 - mar., feb. 11
11:20 am - 12:05 amONT-BOS
9h 45m2 stops
4:00 pm - 11:15 pmBOS-ONT
10h 15m2 stops
$377Southwest
Find Deal
mié., abr. 2 - lun., abr. 7
6:59 pm - 11:55 amONT-BOS
13h 56m1 stop
$95Frontier
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mar., abr. 1
6:59 pm - 11:55 amONT-BOS
13h 56m1 stop
$96Frontier
Find Deal
mar., abr. 1
6:59 pm - 11:55 amONT-BOS
13h 56m1 stop
$106Frontier
Find Deal
mar., abr. 8
10:36 am - 9:49 pmONT-BOS
8h 13m1 stop
$135United Airlines
Find Deal
mié., feb. 19
6:10 am - 4:46 pmONT-BOS
7h 36m1 stop
$136American Airlines
Find Deal
mié., feb. 12
3:30 pm - 5:49 amONT-BOS
11h 19m2 stops
$140United Airlines
Find Deal
mié., feb. 19
10:05 am - 8:19 pmONT-BOS
7h 14m1 stop
$156American Airlines
Find Deal
mié., mar. 5
5:15 pm - 6:31 amONT-BOS
10h 16m1 stop
$159Delta
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mar., mar. 25
1:30 pm - 12:17 amONT-BOS
7h 47m1 stop
$163Delta
Find Deal
sáb., abr. 5
10:40 pm - 11:42 amONT-BOS
10h 02m1 stop
$262JetBlue
Find Deal
lun., may. 12
1:21 pm - 12:19 amONT-BOS
7h 58m1 stop
5:40 pm - 11:53 pmBOS-ONT
9h 13m1 stop
$615Delta
Find Deal
jue., ene. 23 - mar., ene. 28
1:21 pm - 12:19 amONT-BOS
7h 58m1 stop
5:40 pm - 11:53 pmBOS-ONT
9h 13m1 stop
$627Delta
Find Deal
mié., ene. 22 - mar., ene. 28
4:11 pm - 11:59 pmONT-BOS
28h 48m1 stop
7:00 am - 3:11 pmBOS-ONT
11h 11m1 stop
$634Alaska Airlines
Find Deal
dom., ene. 26 - vie., ene. 31
11:33 am - 11:59 pmONT-BOS
9h 26m1 stop
7:00 am - 3:11 pmBOS-ONT
11h 11m1 stop
$656Alaska Airlines
Find Deal
jue., ene. 23 - lun., ene. 27
4:06 pm - 11:59 pmONT-BOS
28h 53m1 stop
5:55 pm - 8:13 pmBOS-ONT
29h 18m1 stop
$657Alaska Airlines
Find Deal
sáb., ene. 25 - mar., ene. 28
5:10 am - 3:48 pmONT-BOS
7h 38m1 stop
11:35 am - 8:51 pmBOS-ONT
12h 16m1 stop
$683United Airlines
Find Deal
vie., ene. 24 - mar., ene. 28
5:10 am - 3:48 pmONT-BOS
7h 38m1 stop
9:15 am - 12:41 pmBOS-ONT
30h 26m1 stop
$695United Airlines
Find Deal
mié., ene. 22 - lun., ene. 27
5:10 am - 3:48 pmONT-BOS
7h 38m1 stop
4:55 pm - 8:51 pmBOS-ONT
30h 56m1 stop
$760United Airlines
Find Deal
jue., ene. 23 - dom., ene. 26
6:15 am - 8:46 pmONT-BOS
11h 31m2 stops
8:35 pm - 9:51 amBOS-ONT
16h 16m2 stops
$770United Airlines
Find Deal
vie., ene. 24 - dom., ene. 26
1:21 pm - 12:19 amONT-BOS
7h 58m1 stop
5:40 am - 11:50 amBOS-ONT
9h 10m1 stop
$1,597Delta
Find Deal
mié., ene. 22 - dom., ene. 26

Alaska Airlines flights from Ontario to Boston

Our best Alaska Airlines deals on Ontario to Boston flight tickets
Alaska Airlines
Feb 28
ONT7:14 pmOntario
9h 30m
1 stop
BOS7:44 amBoston Logan Intl
Mar 3
BOS7:00 amBoston Logan Intl
14h 19m
1 stop
ONT6:19 pmOntario
Alaska Airlines
Feb 19
ONT6:00 amOntario
14h 59m
1 stop
BOS11:59 pmBoston Logan Intl
Feb 26
BOS7:00 amBoston Logan Intl
17h 27m
1 stop
ONT9:27 pmOntario
Alaska Airlines
Feb 6
ONT11:33 amOntario
9h 26m
1 stop
BOS11:59 pmBoston Logan Intl
Feb 9
BOS7:00 amBoston Logan Intl
11h 16m
1 stop
ONT3:16 pmOntario

Frontier flights from Ontario to Boston

Our best Frontier deals on Ontario to Boston flight tickets
Frontier
Apr 1
ONT6:59 pmOntario
13h 56m
1 stop
BOS11:55 amBoston Logan Intl
Apr 9
BOS12:55 pmBoston Logan Intl
9h 03m
1 stop
ONT6:58 pmOntario
Frontier
Apr 3
ONT6:13 pmOntario
14h 42m
1 stop
BOS11:55 amBoston Logan Intl
Apr 9
BOS12:55 pmBoston Logan Intl
9h 03m
1 stop
ONT6:58 pmOntario
Frontier
Apr 1
ONT6:59 pmOntario
13h 56m
1 stop
BOS11:55 amBoston Logan Intl
Apr 7
BOS12:55 pmBoston Logan Intl
9h 03m
1 stop
ONT6:58 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, August 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 $368. If you aren’t able to travel during the month of August, then book flights to Boston from Ontario during September instead. Flights to Boston in September, while not as cheap as those in August, still average around $386.

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 $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 $536.

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 7 weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $448 when searching 7 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 $355 on momondo.

How have Ontario to Boston flight prices changed over time?

As of January 2025, prices for Ontario to Boston flights are approximately 27% 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

$95

Fastest flight time

6h 55m

Direct flights

None

Airports in Boston

1 airport
The best one-way flight to Boston from Ontario in the past 72 hours is $95. The best round-trip flight deal from Ontario to Boston found on momondo in the last 72 hours is $191.
The fastest flight from Ontario to Boston takes 6h 55m
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 55m, 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
8,116 reviews
Search Spirit Airlines flights
JetBluePriceFrom $135Free CancellationRating
7.4
3,201 reviews
Search JetBlue flights
DeltaPriceFrom $229Free CancellationRating
8.0
8,521 reviews
Search Delta flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
8,984 reviews
Search United Airlines flights
SouthwestPriceFrom $288Free CancellationRating
8.1
4,662 reviews
Search Southwest flights
American AirlinesPriceFrom $293Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Hampton
Old Orchard Beach
Cambridge
Brockton
Nashua
Plymouth
Laconia
Concord
Everett
York Beach
Warwick
Middletown
Wells
Revere
Gloucester
West Yarmouth
Kennebunkport

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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