Flights to Saint John, NB, Canada

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Weather in Saint John

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January-1°C-8°C
February-1°C-8°C
March2°C-4°C
April7°C1°C
May13°C6°C
June17°C10°C
July21°C14°C
August21°C14°C
September18°C11°C
October12°C6°C
November7°C1°C
December2°C-3°C
Hottest Month
21°C
August
Coldest month
-8°C
January
Sunny days
241
days per year
Snow days
28
days per year

14 day forecast

Saturday
19 Apr
78%
11°C4°C
26 Apr
89%
2°C1°C
Sunday
20 Apr
8°C4°C
27 Apr
88%
8°C0°C
Monday
21 Apr
13°C1°C
28 Apr
12°C-1°C
Tuesday
22 Apr
86%
4°C3°C
29 Apr
62%
16°C3°C
Wednesday
23 Apr
89%
5°C3°C
30 Apr
88%
9°C5°C
Thursday
24 Apr
8°C2°C
1 May
13°C0°C
Friday
25 Apr
12°C0°C
2 May
12°C0°C

Cheapest month to fly to Saint John

Explore price trends for trips to Saint John

Annual Avg. Price414 GBP
May 2025307 GBP
June 2025301 GBP
July 2025312 GBP
August 2025357 GBP
September 2025282 GBP
October 2025359 GBP
November 2025516 GBP
December 2025562 GBP
January 2026471 GBP
February 2026450 GBP
March 2026640 GBP

Frequently asked questions

Main airports in Saint John, New Brunswick, Canada
Getting from the airport to Saint John, New Brunswick, Canada
Best time of year to fly to Saint John, New Brunswick, Canada
Things to do in Saint John, New Brunswick, Canada
When to book your flight to Saint John, New Brunswick, Canada
Recommended duration of stay in Saint John, New Brunswick, Canada
Top tourist attractions in Saint John, New Brunswick, Canada
Safety walking at night in Saint John
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