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Cheap flights from the United Kingdom to Saint John from C$ 930

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YSJ
8 Sep — 15 Sep1
1 adult

Cheap flight deals from United Kingdom to St John

Keep the following information in mind while searching for United Kingdom to St John flight deals. Data was last updated 3 September 2025.

Round-trip from

C$ 1,019

One-way from

C$ 930

Popular in

January

Cheapest in

May

Average price

C$ 990
Air Canada
  • Air Canada
  • 17/10-24/10
  • 4 total stops
  • 45h 05m total
  • United Kingdom to Saint John
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18/10
  • 18/10
  • 2 total stops
  • 42h 30m total
  • United Kingdom to Saint John
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (C$ 26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from United Kingdom to St John

Cheapest flights from United Kingdom to St John
Explore the most affordable flight options available from United Kingdom to St John. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2025.

Fri 17/106:00 a.m.LHR - YSJ
2 stops15h 40mAir Canada
Fri 24/1011:35 a.m.YSJ - LHR
2 stops29h 25mAir Canada
Deal found 2/9C$ 1,019
Wed 26/119:00 a.m.LHR - YSJ
2 stops18h 24mAir Canada
Sun 30/1111:55 a.m.YSJ - LHR
1 stop15h 15mAir Canada
Deal found 2/9C$ 1,046
Sat 18/109:30 a.m.LHR - YSJ
2 stops18h 21mAir Canada
Sat 25/1011:35 a.m.YSJ - LHR
2 stops30h 00mAir Canada
Deal found 3/9C$ 1,054
Fri 17/108:40 a.m.LHR - YSJ
3 stops30h 09mMultiple Airlines
Fri 24/1010:45 a.m.YSJ - LHR
2 stops27h 05mMultiple Airlines
Deal found 2/9C$ 1,112
Sat 18/105:40 p.m.LHR - YSJ
3 stops21h 09mMultiple Airlines
Sat 25/106:40 p.m.YSJ - LHR
2 stops22h 55mMultiple Airlines
Deal found 3/9C$ 1,219

Cheapflights Fare Finder

 
Customize your flight search to find flights from United Kingdom to St John that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 September 2025.
Use the filters below to find and compare flights from the United Kingdom to Saint John that are best for you.

Fly from

United Kingdom

Fly to

St John

Route

Depart

Return

Price

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Fri 17/10

6:00 a.m.-5:40 p.m.

2 stops15h 40m

Saint John

Fri 24/10

11:35 a.m.-9:00 p.m.

2 stops29h 25m

C$ 1,019

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 26/11

9:00 a.m.-11:24 p.m.

2 stops18h 24m

Saint John

Sun 30/11

11:55 a.m.-8:35 p.m.

2 stops28h 40m

C$ 1,046

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Sat 18/10

9:30 a.m.-11:51 p.m.

2 stops18h 21m

Saint John

Sat 25/10

11:35 a.m.-9:35 p.m.

2 stops30h 00m

C$ 1,054

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Fri 17/10

8:40 a.m.-10:49 a.m.

3 stops30h 09m

Saint John

Fri 24/10

10:45 a.m.-5:50 p.m.

2 stops27h 05m

C$ 1,112

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Sat 18/10

7:30 p.m.-10:00 a.m.

2 stops42h 30m

C$ 930

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Fri 17/10

7:40 a.m.-11:51 p.m.

2 stops20h 11m

C$ 946

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from United Kingdom to Saint John?

Currently, May is the cheapest month in which you can book a flight from United Kingdom to Saint John (average of C$ 213). Flying from United Kingdom to Saint John in December is currently the most expensive (average of C$ 461). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to St John. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 15h 40m. 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.

  • What is the cheapest month to book a flight from United Kingdom to Saint John?

    Currently, May is the cheapest month in which you can book a flight from United Kingdom to Saint John (average of C$ 213). Flying from United Kingdom to Saint John in December is currently the most expensive (average of C$ 461). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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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