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Cheap flights from the United Kingdom to Saint John from C$ 926

LHR — YSJ
20 Sep — 27 Sep1
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

Thu 24/96:50 a.m. -
2 stops21h 01m
Mon 28/94:40 p.m. -
1 stop13h 20m
Deal found 16/8C$ 926
Fri 18/96:00 a.m. -
2 stops37h 59m
Fri 25/94:40 p.m. -
1 stop9h 50m
Deal found 21/8C$ 931
Fri 18/912:05 p.m. -
1 stop15h 46m
Fri 25/94:40 p.m. -
1 stop9h 50m
Deal found 21/8C$ 936
Thu 10/95:55 p.m. -
2 stops26h 04m
Mon 14/94:40 p.m. -
2 stops24h 20m
Deal found 17/8C$ 940
Fri 2/109:30 a.m. -
1 stop10h 29m
Fri 9/104:40 p.m. -
2 stops24h 55m
Deal found 18/8C$ 966
Wed 30/97:15 p.m. -
2 stops48h 44m
Wed 7/104:40 p.m. -
1 stop9h 50m
Deal found 16/8C$ 972

Find flight deals from United Kingdom to St John

Round-trip from

C$ 926

Popular in

October

Cheapest in

February

Average price

C$ 1,602
Air Canada
  • Air Canada
  • 24/9-28/9
  • 4 total stops
  • 45h 21m total
  • United Kingdom to Saint John
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Highest demand for flights based on searches. 1% potential increase in price (C$ 19 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 87 potential savings vs. average RT price).
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Average for round-trip flights in August 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

6:50 a.m.-11:51 p.m.

2 stops21h 01m

Saint John

Mon 28/9

4:40 p.m.-9:00 p.m.

2 stops24h 20m

C$ 926
Quickest round-trip

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Fri 2/10

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

1 stop10h 29m

Saint John

Fri 9/10

4:40 p.m.-6:30 a.m.

1 stop9h 50m

C$ 926

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Fri 18/9

6:00 a.m.-3:59 p.m.

2 stops37h 59m

Saint John

Fri 25/9

4:40 p.m.-6:30 a.m.

1 stop9h 50m

C$ 931

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Thu 10/9

5:55 p.m.-3:59 p.m.

2 stops26h 04m

Saint John

Mon 14/9

4:40 p.m.-9:00 p.m.

2 stops24h 20m

C$ 940

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/8

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 21h 01m. 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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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.

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