Cheapest return flights from Boston to Calgary in May from 161€
AirHint found the following cheapest return flights from Boston (BOS) to Calgary (YYC)
in May 2026 (see full year ).
Return flights
15 May
- 22 May
WestJet
161 €
direct
31 May
- 07 Jun
WestJet
161 €
direct
29 May
- 05 Jun
WestJet
165 €
direct
12 May
- 19 May
WestJet
166 €
direct
15 May
- 29 May
WestJet
167 €
direct
12 May
- 29 May
WestJet
171 €
direct
26 May
- 05 Jun
WestJet
177 €
direct
10 May
- 17 May
Air Canada
192 €
09 May
- 11 May
WestJet
199 €
direct
27 May
- 04 Jun
United
221 €
12 May
- 26 May
WestJet
223 €
15 May
- 12 Jun
WestJet
225 €
15 May
- 26 May
WestJet
227 €
27 May
- 10 Jun
WestJet
231 €
27 May
- 12 Jun
WestJet
231 €
26 May
- 09 Jun
WestJet
259 €
direct
01 May
- 06 May
Delta
267 €
direct
27 May
- 10 Jun
WestJet
275 €
direct
19 May
- 26 May
Porter Airlines (Canada) Ltd
290 €
27 May
- 18 Jun
WestJet
294 €
direct
Also check the deals for one-way flights from Boston to Calgary in May .
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