Flights from Boston to Toronto

Our cheapest offers for flights from Boston to Toronto

Here you can compare cheap flights from Boston (BOS) to Toronto (YYZ) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Toronto. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Boston
Toronto
Outbound
06/18/25
1 Stopover (PHL)
AA2700, AA4652
08h 09min
Return
07/15/25
1 Stopover (LGA)
DL5447, DL5758
04h 06min
American Airlines ?
$241
Best option
Boston
Toronto
Outbound
06/07/25
direct
UA8539
02h 01min
Return
06/23/25
direct
UA8138
01h 43min
United Airlines ?
$286
Boston
Toronto
Pay attention to transfer at connecting flight
Outbound
06/07/25
2 Stopovers (MYR, EWR, JFK)
NK2659, NK2115, F81615
22h 05min
Return
06/23/25
1 Stopover (FLL)
PD0513, NK2126
30h 02min
Spirit Airlines, Flair Airlines
$253
Boston
Toronto
Outbound
08/14/25
1 Stopover (YOW)
PD2342, PD0154
03h 43min
Return
09/11/25
2 Stopovers (YYT, YOW)
PD0237, PD0296, PD2345
10h 28min
Porter Airlines
$277
Boston
Toronto
Outbound
08/14/25
1 Stopover (YOW)
PD2342, PD0154
03h 43min
Return
09/11/25
2 Stopovers (YYT, YOW)
PD0237, PD0296, PD2345
10h 28min
Porter Airlines
$285
Boston
Toronto
Outbound
06/07/25
direct
AC0757
01h 54min
Return
06/23/25
direct
AC0772
01h 43min
Air Canada ?
$287
Boston
Toronto
Outbound
06/07/25
1 Stopover (EWR)
UA0515, UA8430
04h 41min
Return
06/23/25
direct
UA8536
01h 43min
United Airlines ?
$287
Boston
Toronto
Outbound
10/18/25
2 Stopovers (ATL, EWR, JFK)
NK1179, NK0741, F81615
30h 30min
Return
11/17/25
1 Stopover (YOW)
PD0163, PD2345
03h 50min
Spirit Airlines, Flair Airlines
$292
Boston
Toronto
Outbound
10/18/25
direct
UA8471
01h 56min
Return
11/17/25
1 Stopover (YOW)
PD0163, PD2345
03h 50min
United Airlines ?
$293
Boston
Toronto
Outbound
07/02/25
direct
UA8611
01h 55min
Return
07/25/25
direct
UA8530
01h 43min
United Airlines ?
$299
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Boston to Toronto

Favorite airline: Lynx Air
75 % of flights booked on the route from Boston to Toronto are booked with Lynx Air, Porter Airlines and United Airlines.
Lynx Air
42 %
Porter Airlines
21 %
United Airlines
12 %
Direct flights are the cheapest connection
Flights with a stopover are on average $64.00 more expensive than direct flights.
non stop flight
1 stop
2 stops
01h 53min
07h 01min
12h 00min
$154
$218
$506
The favorite connection is non-stop
Non-stop flights are especially popular on this route. 58 % of travelers will book a direct flight.
Route
bookings
Direct flights
01h 53min, from $154
58 %
1 stopover Ottawa Macdonald-Cartier International Airport
07h 01min, from $218
26 %
2 stopovers Norfolk, Virginia Orlando International Airport, FL
12h 00min, from $506
11 %

Important flight information

Flight information: Boston - Toronto

Roundtrip from $240.28
Flight duration min. 01:55 / max. 02:18
Return flight duration min. 01:33/ max. 02:58
Distance 717 km
Flights per week 85
Departure airport Airport Boston Logan International Airport, MA (BOS)
Arrival airport Airport Toronto - Lester B. Pearson International Airport (YYZ)
Destination country Flights to Canada
Alternative routes to Canada
Alternative flights to Toronto
Flight destinations with a similar price