Cheapest return flights from Toronto to Boston in May from $355
AirHint found the following cheapest return flights from Toronto (YTZ) to Boston (BOS)
in May 2026 (see full year ).
Return flights
18 May
- 25 May
Porter Airlines (Canada) Ltd
$ 355
07 May
- 17 May
Porter Airlines (Canada) Ltd
$ 366
direct
15 May
- 18 May
Porter Airlines (Canada) Ltd
$ 368
15 May
- 18 May
Porter Airlines (Canada) Ltd
$ 373
direct
18 May
- 25 May
Porter Airlines (Canada) Ltd
$ 385
direct
30 May
- 06 Jun
Porter Airlines (Canada) Ltd
$ 393
direct
13 May
- 17 May
Porter Airlines (Canada) Ltd
$ 397
direct
24 May
- 06 Jun
Porter Airlines (Canada) Ltd
$ 397
direct
29 May
- 06 Jun
Porter Airlines (Canada) Ltd
$ 397
direct
24 May
- 24 May
Porter Airlines (Canada) Ltd
$ 438
direct
13 May
- 24 May
Porter Airlines (Canada) Ltd
$ 438
direct
07 May
- 24 May
Porter Airlines (Canada) Ltd
$ 438
direct
24 May
- 10 Jun
Porter Airlines (Canada) Ltd
$ 438
direct
24 May
- 12 Jun
Porter Airlines (Canada) Ltd
$ 438
direct
30 May
- 10 Jun
Porter Airlines (Canada) Ltd
$ 438
direct
30 May
- 12 Jun
Porter Airlines (Canada) Ltd
$ 438
direct
29 May
- 10 Jun
Porter Airlines (Canada) Ltd
$ 438
direct
29 May
- 12 Jun
Porter Airlines (Canada) Ltd
$ 438
direct
03 May
- 24 May
Porter Airlines (Canada) Ltd
$ 478
direct
30 May
- 18 Jun
Porter Airlines (Canada) Ltd
$ 833
direct
Also check the deals for one-way flights from Toronto to Boston in May .
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