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Flights to Saint John

£492 Cheap flights to Saint John

1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from the United Kingdom to Saint John

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
06:00 - 10:19LHR  London Heathrow-YSJ Saint John
32h 19m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
17:35 - 06:30YSJ  Saint John-LHR London Heathrow
32h 55m2 stops Toronto Pearson Intl Ottawa
£587Air Canada
Sun, 8 Nov - Sun, 15 Nov
Air Canada Logo
09:00 - 10:25LHR  London Heathrow-YSJ Saint John
29h 25m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
05:20 - 06:30YSJ  Saint John-LHR London Heathrow
21h 10m2 stops Toronto Pearson Intl Ottawa
£599Air Canada
Mon, 7 Dec - Mon, 14 Dec
Air Canada Logo
06:00 - 10:19LHR  London Heathrow-YSJ Saint John
32h 19m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
17:35 - 21:00YSJ  Saint John-LHR London Heathrow
23h 25m2 stops Toronto Pearson Intl Halifax Intl
£601Air Canada
Sun, 22 Nov - Sun, 29 Nov
Air Canada Logo
09:00 - 10:19LHR  London Heathrow-YSJ Saint John
29h 19m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
17:35 - 21:00YSJ  Saint John-LHR London Heathrow
23h 25m2 stops Toronto Pearson Intl Halifax Intl
£602Air Canada
Mon, 16 Nov - Sun, 22 Nov
Air Canada Logo
06:50 - 10:19LHR  London Heathrow-YSJ Saint John
31h 29m2 stops Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
05:20 - 21:00YSJ  Saint John-LHR London Heathrow
35h 40m2 stops Toronto Pearson Intl Halifax Intl
£612Air Canada
Fri, 6 Nov - Sun, 8 Nov
Air Canada Logo
09:00 - 10:25LHR  London Heathrow-YSJ Saint John
29h 25m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
05:20 - 07:10YSJ  Saint John-LHR London Heathrow
21h 50m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
£614Air Canada
Sat, 5 Dec - Sat, 12 Dec
Air Canada Logo
06:00 - 23:28LHR  London Heathrow-YSJ Saint John
21h 28m2 stops Zurich Toronto Pearson Intl
Air Canada Logo
05:20 - 07:10YSJ  Saint John-LHR London Heathrow
21h 50m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
£620Air Canada
Sat, 21 Nov - Sat, 28 Nov
Air Canada Logo
15:00 - 23:28LHR  London Heathrow-YSJ Saint John
12h 28m1 stop Toronto Pearson Intl
Air Canada Logo
05:20 - 07:10YSJ  Saint John-LHR London Heathrow
21h 50m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
£624Air Canada
Sun, 8 Nov - Sun, 15 Nov
Multiple Airlines Logo
11:10 - 23:58LHR  London Heathrow-YSJ Saint John
40h 48m2 stops Ottawa Toronto Pearson Intl
Multiple Airlines Logo
11:05 - 07:10YSJ  Saint John-LHR London Heathrow
16h 05m1 stop Montreal Pierre Elliott Trudeau Intl
£642Multiple Airlines
Sat, 5 Dec - Sat, 12 Dec
Multiple Airlines Logo
13:00 - 10:19LHR  London Heathrow-YSJ Saint John
25h 19m1 stop Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
17:35 - 11:20YSJ  Saint John-LHR London Heathrow
13h 45m1 stop Toronto Pearson Intl
£716Multiple Airlines
Sun, 8 Nov - Sun, 15 Nov

momondo Fare Finder

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

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Sun 8/11

06:00-10:19

2 stops32h 19m

Saint John

Sun 15/11

17:35-06:30

2 stops32h 55m

£587

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Mon 7/12

09:00-10:25

2 stops29h 25m

Saint John

Mon 14/12

05:20-06:30

2 stops21h 10m

£599

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Sun 22/11

06:00-10:19

2 stops32h 19m

Saint John

Sun 29/11

17:35-21:00

2 stops23h 25m

£601

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Mon 16/11

09:00-10:19

2 stops29h 19m

Saint John

Sun 22/11

17:35-21:00

2 stops23h 25m

£602

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Fri 6/11

06:50-10:19

2 stops31h 29m

Saint John

Sun 8/11

05:20-21:00

2 stops35h 40m

£612

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Sat 5/12

09:00-10:25

2 stops29h 25m

Saint John

Sat 12/12

05:20-07:10

2 stops21h 50m

£614

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Sat 21/11

06:00-23:28

2 stops21h 28m

Saint John

Sat 28/11

05:20-07:10

2 stops21h 50m

£620
Fastest return journey

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Sun 8/11

15:00-23:28

1 stop12h 28m

Saint John

Sun 15/11

05:20-07:10

2 stops21h 50m

£624

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Sat 5/12

11:10-23:58

2 stops40h 48m

Saint John

Sat 12/12

11:05-07:10

1 stop16h 05m

£642

LondonSaint John

LHR London Heathrow - YSJ Saint John

LHRYSJ

London Heathrow

Sun 8/11

13:00-10:19

1 stop25h 19m

Saint John

Sun 15/11

17:35-11:20

1 stop13h 45m

£716

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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Saint John flights insights and trends

Explore insights for your Saint John flight to craft the best travel plan

What is the cheapest month to fly to Saint John?

The month of February is, on average, the cheapest month to fly to Saint John from United Kingdom, with most prices found around £489. The month of March is another great option to travel to Saint John, with average flight prices from United Kingdom averaging around £521.

Cheapest flights to Saint John

Find the cheapest flights to Saint John from your nearest city or airport

Cheap Saint John flight deals and tips

Summary info about Saint John flight prices, duration and airlines

Best One-Way Price

£492

Best Round-Trip Price

£587

Fastest flight time

21h 26m
The best one-way flight price to Saint John from United Kingdom in the last 5 days is £492 (London Heathrow to Saint John).
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The best return flight price to Saint John from United Kingdom in the last 5 days is £587 (London Heathrow to Saint John).
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The fastest flight to Saint John from United Kingdom takes 21h 26m (London Heathrow to Saint John).
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Frequently asked questions about flying to Saint John

Is there an alternative airport near Saint John?

Finding an alternative and possibly cheaper destination airport near Saint John is possible. If you are planning a flight to Saint John, consider booking flights to Saint John Airport (9 mi from Saint John city centre) or Fredericton Airport (47 mi from Saint John city centre).

Is there a cheaper alternative to flying into Saint John?

You can find deals at Saint John Airport for £366 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Saint John Airport?

Prices for flights to Saint John Airport are refreshed on a daily basis.

How many operators does momondo search for flights to Saint John Airport?

The number of operators available for flights to Saint John Airport is 1 as of October 2026.

How old do you have to be to fly to Saint John Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Saint John Airport.

What documentation or ID do you need to fly to Saint John Airport?

The necessary travel and health documents for your Saint John Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Saint John?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint John.

Can I find flights to Saint John with flexible booking policies on momondo?

Flights to Saint John with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights to Saint John?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Saint John.

I’m not ready to book a flight to Saint John right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Saint John. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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