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Cheap flights from the United Kingdom to Saint John from C$ 858

LHR — YSJ
1 Oct — 8 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to St John

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to St John

Fri 25/99:30 a.m. -
1 stop10h 29m
Fri 2/104:40 p.m. -
1 stop9h 50m
Deal found 28/8C$ 858
Thu 24/92:05 p.m. -
1 stop29h 54m
Thu 1/1012:50 p.m. -
1 stop19h 00m
Deal found 27/8C$ 866
Thu 15/108:30 a.m. -
1 stop19h 21m
Thu 22/1012:50 p.m. -
2 stops52h 10m
Deal found 1/9C$ 885
Thu 15/106:00 a.m. -
2 stops21h 51m
Thu 22/1012:50 p.m. -
2 stops52h 10m
Deal found 31/8C$ 899
Sat 3/109:30 a.m. -
1 stop10h 29m
Tue 27/1011:05 a.m. -
1 stop17h 05m
Deal found 1/9C$ 938

Find flight deals from United Kingdom to St John

Round-trip from

C$ 858

Popular in

December

Cheapest in

February

Average price

C$ 1,367
25/9-2/10
  • 25/9-2/10
  • 2 total stops
  • 20h 19m total
  • United Kingdom to Saint John
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Highest demand for flights based on searches. 9% potential increase in price (C$ 192 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 52 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from the United Kingdom to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Thu 24/9

2:05 p.m.-3:59 p.m.

1 stop29h 54m

Saint John

Thu 1/10

12:50 p.m.-11:50 a.m.

1 stop19h 00m

C$ 866

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Fri 25/9

12:40 p.m.-11:51 p.m.

2 stops15h 11m

Saint John

Fri 2/10

4:40 p.m.-11:50 a.m.

2 stops15h 10m

C$ 876

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Thu 15/10

8:30 a.m.-11:51 p.m.

1 stop19h 21m

Saint John

Thu 22/10

12:50 p.m.-9:00 p.m.

2 stops52h 10m

C$ 885

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Thu 15/10

6:00 a.m.-11:51 p.m.

2 stops21h 51m

Saint John

Thu 22/10

12:50 p.m.-9:00 p.m.

2 stops52h 10m

C$ 899
Quickest round-trip

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Sat 3/10

9:30 a.m.-3:59 p.m.

1 stop10h 29m

Saint John

Tue 27/10

11:05 a.m.-7:10 a.m.

1 stop17h 05m

C$ 944

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Sun 11/10

6:00 a.m.-11:51 p.m.

2 stops21h 51m

Saint John

Sun 18/10

12:50 p.m.-6:30 a.m.

2 stops37h 40m

C$ 1,002

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Thu 15/10

6:00 a.m.-11:51 p.m.

2 stops21h 51m

Saint John

Mon 19/10

4:40 p.m.-10:00 a.m.

1 stop13h 20m

C$ 1,016

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/8

Sorted by cheapest first

Best time to book a flight from United Kingdom to St John

Have a flexible travel schedule? Discover the best time to fly to St John from United Kingdom with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Saint John

No data available for this route at this time. Please check back soon.

Related info for your journey

  • What airport do you fly into for flights to Saint John from United Kingdom?

    For a flight from United Kingdom to Saint John, you will be flying into Saint John. Saint John (YSJ) is just 15.1 km from the centre of the city.

  • How long is the flight from United Kingdom to Saint John?

    Airlines like Air Canada fly from United Kingdom to Saint John in about 19h 21m. The time it takes to get you to your destination can typically vary by up to . The distance from United Kingdom to Saint John is about 4712 km.

  • Can I find deals for flights from United Kingdom to St John that include hotel bookings?

    Yes. In addition to deals on United Kingdom to St John flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to St John?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to St John.

  • Can I find deals for business class flights from United Kingdom to St John?

    Yes. Cheapflights offers flight deals from United Kingdom to St John by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Deals for United Kingdom to St John flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to St John?

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Can Cheapflights find flights from United Kingdom to St John with no change fees?

Need flexible booking options for your flight to St John from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to St John become cheaper?

Yes! Start tracking prices for United Kingdom to St John flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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