BOS - YTO

$111 Find cheap flights from Boston to Toronto

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Toronto departing on 6/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Fri 7/5
Fri 7/12

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Toronto.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Toronto.
In the last 7 days travelers have searched 44,281,614 times on KAYAK, and here is why:

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Cheap flight deals from Boston to Toronto (BOS-YTO)

 
These are the cheapest deals for flights from Boston to Toronto currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Boston to Toronto

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Boston to Toronto.

Recent one-way flight deals from Boston to Toronto

Only flying one-way? Below are some of the best one-way flight deals from Boston to Toronto found on KAYAK recently.

Recent last minute flight deals from Boston to Toronto

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Boston to Toronto.

Recent direct flight deals from Boston to Toronto

The latest deals for direct flights from Boston to Toronto so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Boston to Toronto

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

All round-trip flight deals to Toronto

The cheapest plane tickets to Toronto found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
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8:15 am - 10:08 amBOS-YTZ
1h 53mnonstop
1:30 pm - 3:07 pmYTZ-BOS
1h 37mnonstop
$221Porter Airlines
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Wed, Jul 3 - Tue, Jul 9
3:55 pm - 5:48 pmBOS-YTZ
1h 53mnonstop
5:50 pm - 7:27 pmYTZ-BOS
1h 37mnonstop
$224Porter Airlines
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Sat, Jun 29 - Thu, Jul 4
6:05 am - 8:00 amBOS-YYZ
1h 55mnonstop
1:25 pm - 3:09 pmYYZ-BOS
1h 44mnonstop
$269Air Canada
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Mon, Jul 15 - Thu, Jul 18
8:00 am - 6:48 pmBOS-YYZ
10h 48m1 stop
8:55 pm - 10:39 pmYYZ-BOS
1h 44mnonstop
$270United Airlines
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Tue, Jun 18 - Tue, Jun 18
6:05 am - 8:00 amBOS-YYZ
1h 55mnonstop
7:45 am - 9:29 amYYZ-BOS
1h 44mnonstop
$284Air Canada
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Fri, Jul 12 - Sun, Jul 14
9:50 am - 6:19 pmBOS-YYZ
8h 29m1 stop
8:55 pm - 10:34 pmYYZ-BOS
1h 39mnonstop
$302United Airlines
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Wed, Nov 13 - Fri, Nov 15
9:00 am - 5:24 pmBOS-YYZ
8h 24m1 stop
12:41 pm - 7:49 pmYYZ-BOS
7h 08m1 stop
$309American Airlines
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Wed, Aug 14 - Fri, Aug 23
8:00 am - 4:29 pmBOS-YYZ
8h 29m1 stop
10:16 am - 6:38 pmYYZ-BOS
8h 22m1 stop
$324Delta
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Tue, Jun 25 - Tue, Jul 23
2:00 pm - 10:48 pmBOS-YYZ
8h 48m1 stop
6:30 am - 10:21 amYYZ-BOS
3h 51m1 stop
$325Delta
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Wed, Jun 19 - Wed, Jul 3
6:00 am - 9:59 amBOS-YYZ
3h 59m1 stop
3:59 pm - 10:38 pmYYZ-BOS
6h 39m1 stop
$379American Airlines
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Mon, Jun 24 - Wed, Jul 10
3:55 pm - 10:00 pmBOS-YYZ
6h 05m1 stop
$111Porter Airlines
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Fri, Jun 21
9:45 am - 2:19 pmBOS-YTZ
4h 34m1 stop
$111Porter Airlines
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Fri, Jun 21
10:20 am - 3:32 pmBOS-YYZ
5h 12m1 stop
$115Air Canada
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Tue, Jul 23
6:00 am - 11:49 amBOS-YTZ
5h 49m1 stop
$115Air Canada
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Mon, Jul 22
8:00 am - 5:20 pmBOS-YYZ
9h 20m1 stop
$127American Airlines
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Fri, Jul 5
7:05 am - 3:24 pmBOS-YYZ
8h 19m1 stop
$132American Airlines
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Sat, Jul 20
6:05 am - 8:00 amBOS-YYZ
1h 55mnonstop
$198United Airlines
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Thu, Jun 27
10:20 am - 12:15 pmBOS-YYZ
1h 55mnonstop
$199United Airlines
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Mon, Jul 8
6:00 am - 10:53 pmBOS-YYZ
16h 53m2 stops
$203Delta
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Sat, Jul 20
6:00 am - 10:53 pmBOS-YYZ
16h 53m2 stops
$264Delta
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Sat, Jul 20
7:44 pm - 2:28 pmBOS-YYZ
18h 44m2 stops
4:00 pm - 11:57 pmYYZ-BOS
7h 57m1 stop
Fri, Jun 7 - Mon, Jun 17
2:35 pm - 12:22 amBOS-YYZ
9h 47m2 stops
7:50 am - 8:48 pmYYZ-BOS
12h 58m1 stop
Mon, Jun 10 - Wed, Jun 12
10:41 am - 10:09 pmBOS-YTZ
11h 28m2 stops
10:05 am - 11:42 amYTZ-BOS
1h 37mnonstop
Mon, Jun 10 - Tue, Jun 18
7:44 pm - 2:28 pmBOS-YYZ
18h 44m2 stops
7:50 am - 5:47 pmYYZ-BOS
9h 57m1 stop
Fri, Jun 7 - Fri, Jun 14
2:35 pm - 12:22 amBOS-YYZ
9h 47m2 stops
4:00 pm - 11:57 pmYYZ-BOS
7h 57m1 stop
Mon, Jun 10 - Mon, Jun 17
12:30 pm - 2:23 pmBOS-YTZ
1h 53mnonstop
2:30 pm - 6:05 pmYTZ-BOS
3h 35m1 stop
$345Porter Airlines
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Mon, Jun 10 - Tue, Jun 18
12:30 pm - 2:23 pmBOS-YTZ
1h 53mnonstop
11:40 am - 6:05 pmYTZ-BOS
6h 25m1 stop
$432Porter Airlines
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Mon, Jun 10 - Fri, Jun 14
3:19 pm - 8:43 pmBOS-YYZ
5h 24m1 stop
5:00 pm - 6:43 pmYYZ-BOS
1h 43mnonstop
$612United Airlines
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Mon, Jun 10 - Fri, Jun 14
6:05 am - 8:00 amBOS-YYZ
1h 55mnonstop
7:45 am - 9:28 amYYZ-BOS
1h 43mnonstop
$617Air Canada
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Sat, Jun 8 - Sun, Jun 16
6:00 am - 10:36 amBOS-YYZ
4h 36m1 stop
8:55 pm - 10:38 pmYYZ-BOS
1h 43mnonstop
$622Air Canada
Find Deal
Sat, Jun 8 - Sun, Jun 16
8:15 am - 10:08 amBOS-YTZ
1h 53mnonstop
1:30 pm - 3:07 pmYTZ-BOS
1h 37mnonstop
$221Porter Airlines
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Wed, Jul 3 - Tue, Jul 9
3:55 pm - 5:48 pmBOS-YTZ
1h 53mnonstop
5:50 pm - 7:27 pmYTZ-BOS
1h 37mnonstop
$224Porter Airlines
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Sat, Jun 29 - Thu, Jul 4
8:15 pm - 10:08 pmBOS-YTZ
1h 53mnonstop
7:20 am - 8:57 amYTZ-BOS
1h 37mnonstop
$226Porter Airlines
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Tue, Jun 18 - Tue, Jul 23
6:50 pm - 8:43 pmBOS-YTZ
1h 53mnonstop
1:30 pm - 3:07 pmYTZ-BOS
1h 37mnonstop
$229Porter Airlines
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Fri, Aug 2 - Thu, Aug 8
6:05 am - 8:00 amBOS-YYZ
1h 55mnonstop
1:25 pm - 3:09 pmYYZ-BOS
1h 44mnonstop
$269Air Canada
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Mon, Jul 15 - Thu, Jul 18
10:20 am - 12:15 pmBOS-YYZ
1h 55mnonstop
1:25 pm - 3:09 pmYYZ-BOS
1h 44mnonstop
$271Air Canada
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Wed, Aug 7 - Wed, Aug 14
6:05 am - 8:00 amBOS-YYZ
1h 55mnonstop
5:00 pm - 6:44 pmYYZ-BOS
1h 44mnonstop
$280Air Canada
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Wed, Jul 3 - Wed, Jul 10
6:05 am - 8:00 amBOS-YYZ
1h 55mnonstop
7:45 am - 9:29 amYYZ-BOS
1h 44mnonstop
$292United Airlines
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Fri, Jul 19 - Sat, Jul 27
10:20 am - 12:11 pmBOS-YYZ
1h 51mnonstop
1:25 pm - 3:09 pmYYZ-BOS
1h 44mnonstop
$293United Airlines
Find Deal
Thu, Sep 19 - Fri, Sep 27
6:05 am - 8:00 amBOS-YYZ
1h 55mnonstop
1:25 pm - 3:09 pmYYZ-BOS
1h 44mnonstop
$314United Airlines
Find Deal
Thu, Jul 4 - Thu, Jul 11