How do I get Price Alerts for flights from Saint John to United Kingdom?

Confirm your travel details to search for the latest offers for flights from Saint John to United Kingdom . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Saint John to United Kingdom with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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

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

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

There is 1 operator available for flights from Saint John Airport to United Kingdom as of September 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Saint John Airport to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 559 Cheap Flights from Saint John to the United Kingdom in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Saint John to the United Kingdom

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:40 p.m. - 5:55 a.m.YSJ Saint John-LHR London Heathrow

33h 15m2 stops Montreal Pierre Elliott Trudeau Intl Newark

12:00 p.m. - 3:59 p.m.LHR London Heathrow-YSJ Saint John

31h 59m2 stops Newark Montreal Pierre Elliott Trudeau Intl

C$ 1,151United Airlines

Fri, 2 Oct - Sat, 10 Oct

4:40 p.m. - 6:55 a.m.YSJ Saint John-LHR London Heathrow

34h 15m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl

12:00 p.m. - 3:59 p.m.LHR London Heathrow-YSJ Saint John

31h 59m2 stops Newark Montreal Pierre Elliott Trudeau Intl

C$ 1,155United Airlines

Fri, 2 Oct - Sat, 10 Oct

11:05 a.m. - 6:20 a.m.YSJ Saint John-LHR London Heathrow

15h 15m2 stops Montreal Pierre Elliott Trudeau Intl Newark

6:00 p.m. - 10:25 a.m.LHR London Heathrow-YSJ Saint John

44h 25m2 stops Newark Montreal Pierre Elliott Trudeau Intl

C$ 1,158United Airlines

Mon, 1 Feb - Fri, 5 Feb

5:00 a.m. - 5:55 a.m.YSJ Saint John-LHR London Heathrow

20h 55m2 stops Toronto Pearson Intl Newark

6:00 p.m. - 3:59 p.m.LHR London Heathrow-YSJ Saint John

25h 59m2 stops Newark Montreal Pierre Elliott Trudeau Intl

C$ 1,160United Airlines

Fri, 2 Oct - Sat, 10 Oct

11:05 a.m. - 6:40 a.m.YSJ Saint John-LHR London Heathrow

39h 35m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl

12:00 p.m. - 10:25 a.m.LHR London Heathrow-YSJ Saint John

26h 25m2 stops Newark Montreal Pierre Elliott Trudeau Intl

C$ 1,160United Airlines

Mon, 1 Feb - Fri, 5 Feb

5:00 a.m. - 5:55 a.m.YSJ Saint John-LHR London Heathrow

20h 55m2 stops Toronto Pearson Intl Newark

6:00 p.m. - 3:59 p.m.LHR London Heathrow-YSJ Saint John

25h 59m2 stops Newark Montreal Pierre Elliott Trudeau Intl

C$ 1,161United Airlines

Fri, 2 Oct - Sat, 10 Oct

5:00 a.m. - 5:55 a.m.YSJ Saint John-LHR London Heathrow

21h 55m2 stops Toronto Pearson Intl Chicago O'Hare Intl

4:20 p.m. - 10:25 a.m.LHR London Heathrow-YSJ Saint John

46h 05m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl

C$ 1,162United Airlines

Sun, 25 Oct - Sun, 1 Nov

11:05 a.m. - 6:20 a.m.YSJ Saint John-LHR London Heathrow

15h 15m2 stops Montreal Pierre Elliott Trudeau Intl Newark

6:00 p.m. - 10:25 a.m.LHR London Heathrow-YSJ Saint John

44h 25m2 stops Newark Montreal Pierre Elliott Trudeau Intl

C$ 1,162United Airlines

Mon, 1 Feb - Fri, 5 Feb

11:05 a.m. - 7:10 a.m.YSJ Saint John-LHR London Heathrow

16h 05m1 stop Montreal Pierre Elliott Trudeau Intl

6:00 a.m. - 10:25 a.m.LHR London Heathrow-YSJ Saint John

32h 25m2 stops Vienna Intl Montreal Pierre Elliott Trudeau Intl

C$ 1,323Air Canada

Mon, 1 Feb - Fri, 5 Feb

5:00 a.m. - 8:30 a.m.YSJ Saint John-LHR London Heathrow

24h 30m1 stop Toronto Pearson Intl

6:00 a.m. - 11:24 p.m.LHR London Heathrow-YSJ Saint John

21h 24m2 stops Zurich Toronto Pearson Intl

C$ 1,323Air Canada

Sun, 25 Oct - Sun, 1 Nov

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Air Canada flights from Saint John to United Kingdom

Our best Air Canada deals on Saint John to United Kingdom flight tickets

Air Canada

18 Jan

YSJ11:05 a.m.Saint John

16h 05m

1 stop

LHR7:10 a.m.London Heathrow

22 Jan

LHR6:00 a.m.London Heathrow

32h 25m

2 stops

YSJ10:25 a.m.Saint John

C$ 1,319

Air Canada

25 Oct

YSJ5:00 a.m.Saint John

24h 30m

1 stop

LHR8:30 a.m.London Heathrow

1 Nov

LHR6:00 a.m.London Heathrow

21h 24m

2 stops

YSJ11:24 p.m.Saint John

C$ 1,323

Air Canada

2 Oct

YSJ4:40 p.m.Saint John

13h 20m

1 stop

LHR10:00 a.m.London Heathrow

10 Oct

LHR6:50 a.m.London Heathrow

21h 01m

2 stops

YSJ11:51 p.m.Saint John

C$ 1,325

United Airlines flights from Saint John to United Kingdom

Our best United Airlines deals on Saint John to United Kingdom flight tickets

United Airlines

2 Oct

YSJ4:40 p.m.Saint John

33h 15m

2 stops

LHR5:55 a.m.London Heathrow

10 Oct

LHR12:00 p.m.London Heathrow

31h 59m

2 stops

YSJ3:59 p.m.Saint John

C$ 1,151

United Airlines

2 Oct

YSJ4:40 p.m.Saint John

34h 15m

2 stops

LHR6:55 a.m.London Heathrow

10 Oct

LHR12:00 p.m.London Heathrow

31h 59m

2 stops

YSJ3:59 p.m.Saint John

C$ 1,155

United Airlines

22 Sep

YSJ4:40 p.m.Saint John

24h 45m

2 stops

LHR9:25 p.m.London Heathrow

29 Sep

LHR11:05 a.m.London Heathrow

16h 46m

2 stops

YSJ11:51 p.m.Saint John

C$ 1,160

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint JohnLondon

YSJ Saint John - LHR London Heathrow

YSJLHR

Saint John

Fri 2/10

4:40 p.m.-5:55 a.m.

2 stops33h 15m

London Heathrow

Sat 10/10

12:00 p.m.-3:59 p.m.

2 stops31h 59m

C$ 1,151

Saint JohnLondon

YSJ Saint John - LHR London Heathrow

YSJLHR

Saint John

Fri 2/10

4:40 p.m.-6:55 a.m.

2 stops34h 15m

London Heathrow

Sat 10/10

12:00 p.m.-3:59 p.m.

2 stops31h 59m

C$ 1,155

Saint JohnLondon

YSJ Saint John - LHR London Heathrow

YSJLHR

Saint John

Mon 1/2

11:05 a.m.-6:20 a.m.

2 stops15h 15m

London Heathrow

Fri 5/2

6:00 p.m.-10:25 a.m.

2 stops44h 25m

C$ 1,158

Saint JohnLondon

YSJ Saint John - LHR London Heathrow

YSJLHR

Saint John

Fri 2/10

5:00 a.m.-5:55 a.m.

2 stops20h 55m

London Heathrow

Sat 10/10

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

2 stops25h 59m

C$ 1,160

Saint JohnLondon

YSJ Saint John - LHR London Heathrow

YSJLHR

Saint John

Mon 1/2

11:05 a.m.-6:40 a.m.

2 stops39h 35m

London Heathrow

Fri 5/2

12:00 p.m.-10:25 a.m.

2 stops26h 25m

C$ 1,160

Saint JohnLondon

YSJ Saint John - LHR London Heathrow

YSJLHR

Saint John

Fri 2/10

5:00 a.m.-5:55 a.m.

2 stops20h 55m

London Heathrow

Sat 10/10

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

2 stops25h 59m

C$ 1,161

Saint JohnLondon

YSJ Saint John - LHR London Heathrow

YSJLHR

Saint John

Sun 25/10

5:00 a.m.-5:55 a.m.

2 stops21h 55m

London Heathrow

Sun 1/11

4:20 p.m.-10:25 a.m.

2 stops46h 05m

C$ 1,162

Saint JohnLondon

YSJ Saint John - LHR London Heathrow

YSJLHR

Saint John

Mon 1/2

11:05 a.m.-6:20 a.m.

2 stops15h 15m

London Heathrow

Fri 5/2

6:00 p.m.-10:25 a.m.

2 stops44h 25m

C$ 1,162

Saint JohnLondon

YSJ Saint John - LHR London Heathrow

YSJLHR

Saint John

Mon 1/2

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

1 stop16h 05m

London Heathrow

Fri 5/2

6:00 a.m.-10:25 a.m.

2 stops32h 25m

C$ 1,323

Quickest round-trip

Saint JohnLondon

YSJ Saint John - LHR London Heathrow

YSJLHR

Saint John

Sun 25/10

5:00 a.m.-8:30 a.m.

1 stop24h 30m

London Heathrow

Sun 1/11

6:00 a.m.-11:24 p.m.

2 stops21h 24m

C$ 1,323

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Cheap Saint John to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Saint John to United Kingdom

Best price found	C$ 559
Fastest flight time	20h 55m
Direct flights	None

The best one-way flight to United Kingdom from Saint John in the past 72 hours is C$ 559. The best round-trip flight deal from Saint John to United Kingdom found on momondo in the last 72 hours is C$ 1,151.

The fastest flight from Saint John to United Kingdom takes 20h 55m

There are no direct flights from Saint John to United Kingdom. There are no popular flight routes from Saint John to United Kingdom.

Search flight deals

Frequently asked questions about flying from Saint John to the United Kingdom

When did momondo last update prices for flights from Saint John Airport to United Kingdom?
Prices for flights from Saint John Airport to United Kingdom are refreshed on a daily basis.
How many operators does momondo search for flights from Saint John Airport to United Kingdom?
There is 1 operator available for flights from Saint John Airport to United Kingdom as of September 2026.
How old do you have to be to fly from Saint John Airport to United Kingdom?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Saint John Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Saint John to United Kingdom

Compare and see reviews for airlines that fly from Saint John to United Kingdom with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 1,284	Free Cancellation	Rating 7.1 11,619 reviews		Search Air Canada flights

Frequently asked questions about flying from Saint John to the United Kingdom

How do I get Price Alerts for flights from Saint John to United Kingdom?
Confirm your travel details to search for the latest offers for flights from Saint John to United Kingdom. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Saint John to United Kingdom with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

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 United Kingdom from Saint John.

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

Flights from Saint John to United Kingdom 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 from Saint John to United Kingdom?

momondo helps you find the best flight between Saint John and United Kingdom by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Saint John to United Kingdom flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.