Montreal, Canada to Seattle, USA for only $320 CAD roundtrip

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Cheap flights from Montreal, Canada to Seattle, USA for only $320 CAD roundtrip.

DEPART:
Montreal, Canada

ARRIVE:
Seattle, USA

RETURN:
Montreal, Canada

DATES:
Availability from April to May 2026

Example dates:
27th Apr – 6th May
27th Apr – 7th May
28th Apr – 6th May
28th Apr – 7th May
28th Apr – 8th May
29th Apr – 7th May
29th Apr – 8th May
29th Apr – 9th May
30th Apr – 8th May
30th Apr – 9th May
30th Apr – 10th May
1st-9th May
1st-10th May
2nd-10th May
2nd-11th May
2nd-12th May
3rd-11th May
3rd-12th May
3rd-13th May
4th-12th May
4th-13th May
5th-13th May
6th-16th May

and more…

STOPS:
Calgary

AIRLINES:
WestJet